Results of the March 31-April 2, 2009 Sulfur 

Dioxide Testing on the Pellet Indurating 

Furnace (EU026) Stacks SV014, SV015, SV016 

and SV017 at Arce/orMittal Minorca Mine Inc. 

Located in Virginia, Minnesota 

AQ File Number 257 

AQ Facility Permit Number 13700062-002 

Barr Project Number 23/69-1034.00 

Prepared for 

ArcelorMittal Minorca Mine Inc. 

October 2010 

Prepared by 

Barr Engineering Company 

4700 West 77th Street 

Minneapolis, MN 55435-4803 

Phone: (952) 832-2600 

Fax: (952) 832-2601 

Results of the March 31-April 2, 2009 Sulfur 

Dioxide Testing on the Pellet Indurating 

Furnace (EU026) Stacks SV014, SV015, SV016 

and SV017 at Arce/orMittal Minorca Mine Inc. 

Located in Virginia, Minnesota 

AQ File Number 257 

AQ Facility Permit Number 13700062-002 

Barr Project Number 23/69-1034.00 

Prepared for 

ArcelorMittal Minorca Mine Inc. 

October 2010 

Prepared by 

Barr Engineering Company 

4700 West 77th Street 

Minneapolis, MN 55435-4803 

Phone: (952) 832-2600 

Fax: (952) 832-2601 
Results of the March 31-April 2, 2009 Sulfur 

Dioxide Testing on the Pellet Indurating 

Furnace (EU026) Stacks SV014, SV015, SV016 

and SV017 at ArcelorMittal Minorca Mine Inc. 

Located in Virginia, Minnesota 

AQ File Number 257 

AQ Facility Permit Number 13700062-002 

Barr Project Number 23/69-1034.00 

Prepared for 

Arce/orMittal Minorca Mine Inc. 

October 2010 

4700 West 7th Street 

Minneapolis, MN 55435-4803 

Phone: (952) 832-2600 

Fax: (952) 832-2601 

Results of the March 31-April 2, 2009 Sulfur 

Dioxide Testing on the Pellet Indurating 

Furnace (EU026) Stacks SV014, SV015, SV016 

and SV017 at ArcelorMittal Minorca Mine Inc. 

Located in Virginia, Minnesota 

AQ File Number 257 

AQ Facility Permit Number 13700062-002 

Barr Project Number 23/69-1034.00 

Prepared for 

Arce/orMittal Minorca Mine Inc. 

October 2010 

BARR 

4700 West 7th Street 

Minneapolis, MN 55435-4803 

Phone: (952) 832-2600 

Fax: (952) 832-2601 
Results of the March 31-April 2, 2009 Sulfur Dioxide Testing on the 

Pellet Indurating Furnace (EU026) Stacks SV014, SV015, SV016 and 

SV017 at ArcelorMittal Minorca Mine Inc. Located in Virginia, 

Minnesota 

Table of Contents 

Executive summary ....................................................................................................................................... 3 

Introduction ................................................................................................................................................... 4 

Results ........................................................................................................................................................... 5 

Process description ........................................................................................................................................ 6 

Stack testing procedures and methods .......................................................................................................... 7 

23691034-2 

Results of the March 31-April 2, 2009 Sulfur Dioxide Testing on the 

Pellet Indurating Furnace (EU026) Stacks SV014, SV015, SV016 and 

SV017 at ArcelorMittal Minorca Mine Inc. Located in Virginia, 

Minnesota 

Table of Contents 

Executive summary ....................................................................................................................................... 3 

Introduction ................................................................................................................................................... 4 

Results ........................................................................................................................................................... 5 

Process description ........................................................................................................................................ 6 

Stack testing procedures and methods .......................................................................................................... 7 

23691034-2 
Table I 

Table 2 

Table 3 

Table 4 

Table S 

List of Tables 

Gaseous Pollutant Test Results Summary - Furnace Stack A (SVOI4) 

Gaseous Pollutant Test Results Summary - Furnace Stack B (SVO IS) 

Gaseous Pollutant Test Results Summary - Furnace Stack C (SVO 16) 

Gaseous Pollutant Test Results Summary - furnace Stack D (SVO 17) 

Process Operating Summary 

List of Figures 

Figure I Test Port Locations - A & B Indurating Furnace Stacks (SVOI4) & (SVOIS) 

Figure 2 Traverse Point Locations - A & B Indurating Furnace Stacks (SVOI4) & (SVOIS) 

Figure 3 Test Port Locations - C & D Indurating Furnace Stacks (SVO 16) & (SVO 17) 

Figure 4 Traverse Point Locations - C & D Indurating Furnace Stacks (SVO 16) & (SVO 17) 

List of Appendices 

Appendix A Report Calculations and Nomenclature 

Appendix B Field Data Sheets 

Appendix C Instrument Output 

Appendix D Calibration Data 

Appendix E Cylinder Gas Celiifications 

Appendix F Process Operating Data 

Appendix G Project Paliicipants and Contact Information 

23691034-2 2 

Table I 

Table 2 

Table 3 

Table 4 

Table S 

List of Tables 

Gaseous Pollutant Test Results Summary - Furnace Stack A (SVOI4) 

Gaseous Pollutant Test Results Summary - Furnace Stack B (SVO IS) 

Gaseous Pollutant Test Results Summary - Furnace Stack C (SVO 16) 

Gaseous Pollutant Test Results Summary - furnace Stack D (SVO 17) 

Process Operating Summary 

List of Figures 

Figure I Test Port Locations - A & B Indurating Furnace Stacks (SVOI4) & (SVOIS) 

Figure 2 Traverse Point Locations - A & B Indurating Furnace Stacks (SVOI4) & (SVOIS) 

Figure 3 Test Port Locations - C & D Indurating Furnace Stacks (SVO 16) & (SVO 17) 

Figure 4 Traverse Point Locations - C & D Indurating Furnace Stacks (SVO 16) & (SVO 17) 

List of Appendices 

Appendix A Report Calculations and Nomenclature 

Appendix B Field Data Sheets 

Appendix C Instrument Output 

Appendix D Calibration Data 

Appendix E Cylinder Gas Celiifications 

Appendix F Process Operating Data 

Appendix G Project Paliicipants and Contact Information 

23691034-2 2 
Executive summary 

Barr Engineering Company performed sulfur dioxide (S02) emissions testing at ArcelorMittal 

Minorca Mine, Inc. (ArcelorMittal) located in Virginia, Minnesota from March 31 through April 2, 

2009. The testing was performed concurrent with nitrogen dioxide tests required by the facility Title 

V permit. S02 emissions were measured from each of the four indurating furnace waste gas stacks in 

consecutive tests. USEP A test Methods 1-4, 6C and 7E were followed with modifications to 

accomplish the testing concurrent with the NOx testing. Method modifications and exceptions are 

discussed in the Results and Stack testing and procedures and methods sections. 

Results of the tests are presented in the table below. 

Executive Summary Table 

S02 Test Parameter Average Test Results 

EPA Methods 1-4, Stack A Stack B Stack C Stack 0 Flow 

6C SV014 SV015 SV016 SV017 Weighted Total 

Average 

Test Date 3/31- 4/1/09 4/2/09 4/2/09 4/1/09 - -

Airflow, dscfm 153,300 141,200 149,600 141,900 - 586,000 

S02 Concentration, 4.5 3.1 5.9 3.2 4.2 - ppm 

S02 Emission Rate, 6.9 4.3 8.8 4.6 - 24.6 Ib/hr 

S02 Emission Factor, - - - - - 0.019 Ib/L T Finished Pellets 

23691034-2 3 

Executive summary 

Barr Engineering Company performed sulfur dioxide (S02) emissions testing at ArcelorMittal 

Minorca Mine, Inc. (ArcelorMittal) located in Virginia, Minnesota from March 31 through April 2, 

2009. The testing was performed concurrent with nitrogen dioxide tests required by the facility Title 

V permit. S02 emissions were measured from each of the four indurating furnace waste gas stacks in 

consecutive tests. USEP A test Methods 1-4, 6C and 7E were followed with modifications to 

accomplish the testing concurrent with the NOx testing. Method modifications and exceptions are 

discussed in the Results and Stack testing and procedures and methods sections. 

Results of the tests are presented in the table below. 

Executive Summary Table 

S02 Test Parameter Average Test Results 

EPA Methods 1-4, Stack A Stack B Stack C Stack 0 Flow 

6C SV014 SV015 SV016 SV017 Weighted Total 

Average 

Test Date 3/31- 4/1/09 4/2/09 4/2/09 4/1/09 - -

Airflow, dscfm 153,300 141,200 149,600 141,900 - 586,000 

S02 Concentration, 4.5 3.1 5.9 3.2 4.2 - ppm 

S02 Emission Rate, 6.9 4.3 8.8 4.6 - 24.6 Ib/hr 

S02 Emission Factor, - - - - - 0.019 Ib/L T Finished Pellets 

23691034-2 3 
I ntrod uction 

Barr Engineering Company conducted sulfur dioxide (SO}) emissions testing at ArcelorMittal 

Minorca Mine Inc. located in Virginia, Minnesota. The testing was performed to evaluate SO} 

emissions from four indurating furnace stacks as it relates to the normal operation of taconite 

production. The tests consecutively measured the SO} concentration and volumetric air flow rates 

from the four indurating furnace waste gas stacks. The stacks, A-D, comprise emissions unit EU026, 

which is located in Building 007 Pellet Plant. 

Testing was performed concurrent with nitrogen dioxide (NOx) tests required by the facility'S Title V 

permit. 

During the test, the indurating furnace was operated under normal operating conditions. The 

indurating furnace can typically process between 310-350 long tons per hr. The process operating 

data, heat input data, and fuel usage data are provided in Appendix F. 

Testing was performed by Tom Kuchinski and Tom Leier of Barr Engineering from March 31 to 

April 2, 2009. Jaime Baggenstoss and Jon Maki of ArceiorMitta1 coordinated the test team and 

facility operations. A list of project participants is provided in Appendix G. 

23691034-2 4 

I ntrod uction 

Barr Engineering Company conducted sulfur dioxide (SO}) emissions testing at ArcelorMittal 

Minorca Mine Inc. located in Virginia, Minnesota. The testing was performed to evaluate SO} 

emissions from four indurating furnace stacks as it relates to the normal operation of taconite 

production. The tests consecutively measured the SO} concentration and volumetric air flow rates 

from the four indurating furnace waste gas stacks. The stacks, A-D, comprise emissions unit EU026, 

which is located in Building 007 Pellet Plant. 

Testing was performed concurrent with nitrogen dioxide (NOx) tests required by the facility'S Title V 

permit. 

During the test, the indurating furnace was operated under normal operating conditions. The 

indurating furnace can typically process between 310-350 long tons per hr. The process operating 

data, heat input data, and fuel usage data are provided in Appendix F. 

Testing was performed by Tom Kuchinski and Tom Leier of Barr Engineering from March 31 to 

April 2, 2009. Jaime Baggenstoss and Jon Maki of ArceiorMitta1 coordinated the test team and 

facility operations. A list of project participants is provided in Appendix G. 

23691034-2 4 
Results 

Testing of ArcelorMittal's pellet indurating furnace waste gas stacks took place between March 31 

and April 2, 2009. The test results are provided in Tables 1-3. Table 1 includes a total air flow for the 

four stacks, airflow-weighted average concentration, total emissions rate and an aggregate emissions 

factor. 

On March 31 there was a process upset during the test on Stack A. Run 3 was delayed until the 

following day. There were difficulties with the flexible line used for the moisture train due to 

freezing temperatures affecting runs 1 and 2. After correcting the problem, a 30-minute moisture run 

was conducted during the second half of rune 2, yielding a result in line with the expected saturated 

gas stream moisture content. This moisture content was used for run 2, and the average of runs 2 and 

3 was substituted for run 1. 

Process data are summarized in Table 5 and detailed process data are provided in Appendix F. 

23691034-2 5 

Results 

Testing of ArcelorMittal's pellet indurating furnace waste gas stacks took place between March 31 

and April 2, 2009. The test results are provided in Tables 1-3. Table 1 includes a total air flow for the 

four stacks, airflow-weighted average concentration, total emissions rate and an aggregate emissions 

factor. 

On March 31 there was a process upset during the test on Stack A. Run 3 was delayed until the 

following day. There were difficulties with the flexible line used for the moisture train due to 

freezing temperatures affecting runs 1 and 2. After correcting the problem, a 30-minute moisture run 

was conducted during the second half of rune 2, yielding a result in line with the expected saturated 

gas stream moisture content. This moisture content was used for run 2, and the average of runs 2 and 

3 was substituted for run 1. 

Process data are summarized in Table 5 and detailed process data are provided in Appendix F. 

23691034-2 5 
Process description 

ArcelorMittal mines taconite ore (magnetite) and produces iron pellets that are shipped to the 

company's blast furnace in Indiana. The emission sources tested capture the waste gases from the 

pellet indurating process. 

Concentrate slurry flows to a storage tank where limestone is added to make flux pellets. The 

concentrate is dewatered by vacuum disk filters, mixed with bentonite and conveyed to balling disks. 

Green balls produced on the balling disks are transferred to a roll conveyor for additional removal of 

over and undersize material. 

The green balls are distributed evenly across pallet cars, prior to entry into the pellet furnace. The 

pallet cars have a layer of fired pellets, called the hearth layer, on the bottom and sides of the car. 

The hem1h layer acts as a buffer between the pallet car and the heat generated through the exothermic 

conversion of magnetite to hematite. 

There is one natural gas fired furnace at ArcelorMittal' s taconite plant. The straight grate furnace has 

several distinct zones. The first two stages are updraft and downdraft drying zones. The next zones 

are the preheat zone and firing zone. The temperature increases as the pellets pass through each zone 

reaching a peak in the firing zone. The pellets then enter the after-firing zone. The last two zones are 

cooling zones that allow the pellets to be discharged at a temperature of around 120 degrees 

Fahrenheit. 

Heated air discharged from the two cooling zones is recirculated to the drying, preheat and firing 

zones. Off-gases from the furnaces are vented primarily through two ducts, the hood exhaust that 

handles the drying and recirculated cooling gases, and the wind box exhaust that handles the preheat, 

firing, and after-firing gases. The windbox exhaust flows through a multiclone, which protects the 

downstream fan, and then enters a common header shared with the hood exhaust stream. The exhaust 

gases are subsequently divided into four streams which lead to four, venturi rod scrubbers and 

exhaust from individual stacks. 

23691034-2 6 

Process description 

ArcelorMittal mines taconite ore (magnetite) and produces iron pellets that are shipped to the 

company's blast furnace in Indiana. The emission sources tested capture the waste gases from the 

pellet indurating process. 

Concentrate slurry flows to a storage tank where limestone is added to make flux pellets. The 

concentrate is dewatered by vacuum disk filters, mixed with bentonite and conveyed to balling disks. 

Green balls produced on the balling disks are transferred to a roll conveyor for additional removal of 

over and undersize material. 

The green balls are distributed evenly across pallet cars, prior to entry into the pellet furnace. The 

pallet cars have a layer of fired pellets, called the hearth layer, on the bottom and sides of the car. 

The hem1h layer acts as a buffer between the pallet car and the heat generated through the exothermic 

conversion of magnetite to hematite. 

There is one natural gas fired furnace at ArcelorMittal' s taconite plant. The straight grate furnace has 

several distinct zones. The first two stages are updraft and downdraft drying zones. The next zones 

are the preheat zone and firing zone. The temperature increases as the pellets pass through each zone 

reaching a peak in the firing zone. The pellets then enter the after-firing zone. The last two zones are 

cooling zones that allow the pellets to be discharged at a temperature of around 120 degrees 

Fahrenheit. 

Heated air discharged from the two cooling zones is recirculated to the drying, preheat and firing 

zones. Off-gases from the furnaces are vented primarily through two ducts, the hood exhaust that 

handles the drying and recirculated cooling gases, and the wind box exhaust that handles the preheat, 

firing, and after-firing gases. The windbox exhaust flows through a multiclone, which protects the 

downstream fan, and then enters a common header shared with the hood exhaust stream. The exhaust 

gases are subsequently divided into four streams which lead to four, venturi rod scrubbers and 

exhaust from individual stacks. 

23691034-2 6 
Stack testing procedures and methods 

Sample port locations were selected in accordance with Method 1. A three-point traverse was 

performed during the first run on each stack as prescribed in Method 7E. All four stacks were 

determined to be non-stratified, and the sampling probe was positioned in the centroid of the stack 

for the remainder of each test. The recorded Method 1 criteria are listed in the table below. Figures 1 

through 4 provide schematic details of the sample port locations and traverse points. 

Distance to Distance to Average 

Location Upstream Downstream Number Number of Absolute 

Disturbances Disturbances of Ports Points Yaw 

(stack diameters) (stack diameters) Angle 

SV014 8 3.4 2 12 5 

SV015 8 3.4 2 12 3 

SV016 8 3.4 2 12 3 

SV017 8 3.4 2 12 2 

Volumetric airflow determinations were performed in accordance with EPA Method 2 using an Stype pitot tube. Calibrated type "K" thermocouples were positioned in the stack alongside the pitot 

tube to measure stack temperature. 

Stack gas oxygen and carbon dioxide compositions were determined by EPA Method 3 A. The 

02/C02 analyzer was calibrated per the method and was fed a split gas stream off the NOx/S02 gas 

sampling system. The oxygen and carbon dioxide concentrations were used to calculate gas stream 

molecular weights. 

Stack gas moisture content was determined by the performance of EPA Method 4, in conjunction 

with the EPA Method 7E NOx compliance tests. 

Stratification tests were performed using the NOx. These values should be equally representative for 

SOl gas. Nitrogen oxides concentrations were determined using EPA Method 7E and necessary 

Protocol 1 gas standards were used for instrument calibration. 

Sulfur dioxide concentrations were determined using EPA Method 6C. The SOl calibrations were 

performed prior to the first test run and following the final test run. Upscale drift calculations were 

23691034-2 7 

Stack testing procedures and methods 

Sample port locations were selected in accordance with Method 1. A three-point traverse was 

performed during the first run on each stack as prescribed in Method 7E. All four stacks were 

determined to be non-stratified, and the sampling probe was positioned in the centroid of the stack 

for the remainder of each test. The recorded Method 1 criteria are listed in the table below. Figures 1 

through 4 provide schematic details of the sample port locations and traverse points. 

Distance to Distance to Average 

Location Upstream Downstream Number Number of Absolute 

Disturbances Disturbances of Ports Points Yaw 

(stack diameters) (stack diameters) Angle 

SV014 8 3.4 2 12 5 

SV015 8 3.4 2 12 3 

SV016 8 3.4 2 12 3 

SV017 8 3.4 2 12 2 

Volumetric airflow determinations were performed in accordance with EPA Method 2 using an Stype pitot tube. Calibrated type "K" thermocouples were positioned in the stack alongside the pitot 

tube to measure stack temperature. 

Stack gas oxygen and carbon dioxide compositions were determined by EPA Method 3 A. The 

02/C02 analyzer was calibrated per the method and was fed a split gas stream off the NOx/S02 gas 

sampling system. The oxygen and carbon dioxide concentrations were used to calculate gas stream 

molecular weights. 

Stack gas moisture content was determined by the performance of EPA Method 4, in conjunction 

with the EPA Method 7E NOx compliance tests. 

Stratification tests were performed using the NOx. These values should be equally representative for 

SOl gas. Nitrogen oxides concentrations were determined using EPA Method 7E and necessary 

Protocol 1 gas standards were used for instrument calibration. 

Sulfur dioxide concentrations were determined using EPA Method 6C. The SOl calibrations were 

performed prior to the first test run and following the final test run. Upscale drift calculations were 

23691034-2 7 
calculated using estimated values for the between run calibrations. Overall drift was in line with the 

method requirements; however, small percent discrepancies are amplified at low concentrations. The 

system bias calibration results were used to bias correct the raw S02 averages between calibration 

times. The upper span gas used to calculate S02 maximum drift and system bias was 26.1 ppm. 

Calibration documentation including in the field calibration for the test analyzers is provided in 

Appendix D. Copies of the gas certification analyses for the NOx, S02, oxygen and carbon dioxide 

EPA Protocol calibration gases are provided in Appendix E. 

Each test run comprises a 60 minute interval. Twenty second average gas analyzer data were 

recorded on a Campbell Scientific CRI 000 data logger with a multiplex board. The data logger 

output is provided in Appendix C. 

U. S. EPA test Methods 1,2, 3A, 4, 6C and 7E are found in 40 CFR Part 60, Appendix A. 

23691034-2 8 

calculated using estimated values for the between run calibrations. Overall drift was in line with the 

method requirements; however, small percent discrepancies are amplified at low concentrations. The 

system bias calibration results were used to bias correct the raw S02 averages between calibration 

times. The upper span gas used to calculate S02 maximum drift and system bias was 26.1 ppm. 

Calibration documentation including in the field calibration for the test analyzers is provided in 

Appendix D. Copies of the gas certification analyses for the NOx, S02, oxygen and carbon dioxide 

EPA Protocol calibration gases are provided in Appendix E. 

Each test run comprises a 60 minute interval. Twenty second average gas analyzer data were 

recorded on a Campbell Scientific CRI 000 data logger with a multiplex board. The data logger 

output is provided in Appendix C. 

U. S. EPA test Methods 1,2, 3A, 4, 6C and 7E are found in 40 CFR Part 60, Appendix A. 

23691034-2 8 
Tables 
ArcelorMiUal 

Virginia, MN 

Minorca Mine 

TABLE 1 

Barr Engineering Co. 

August 30, 2010 

GASEOUS POLLUTANT TEST RESULTS SUMMARY 

Parameter 

Test Date 

Test Period 

Air Flow Rate 

ACFM 

SCFM 

DSCFM 

EPA Method 6C Results 

S02 Concentration, PPM 

S02 Emission Rate, Ib/hr 

Furnace Stack A 

(SV014) 

Run 1 

3/31/2009 

1015-1115 • 

152,200 

5.9 

9.0 

Run 2 

3/31/2009 

1210-1310 

152,000 

4.5 

6.8 

Aggregate Results -- All 4 Stacks 

Total Airflow, DSCFM --- ~-~----~"- ---

Airflow-Weighted Average S02 

1-

Total S02 Emission Rate, Ib/hr 

Total Fired Pellet Production Rate, L TPH 

S02 Emission Factor, Ib/LT Fired Pellet 

Run 3 Average 

1245-1345 -~--

155,800 

3.2 

5.0 

194,200 

168,800 

153..!.~_09 __ 

4.5 

6.9 

586,000 - -- - - -- --

4.2 -----~-- .---~-----.--

24_6 

1,324 -. _._- - --- -------

0.019 

ArcelorMiUal 

Virginia, MN 

Minorca Mine 

TABLE 1 

Barr Engineering Co. 

August 30, 2010 

GASEOUS POLLUTANT TEST RESULTS SUMMARY 

Parameter 

Test Date 

Test Period 

Air Flow Rate 

ACFM 

SCFM 

DSCFM 

EPA Method 6C Results 

Furnace Stack A 

(SV014) 

Run 1 

3/31/2009 

1015-1115 • 

152,200 

Run 2 

3/31/2009 

1210-1310 

152,000 

----------------------------------------

---

----

S02 Concentration, PPM 

S02 Emission Rate, Ib/hr 

5.9 

9.0 

4.5 

6.8 

Aggregate Results -- All 4 Stacks 

Total Airflow. DSCFM ~-~----~"- ---

Airflow-Weighted Average S02 

Total S02 Emission Rate, Ib/hr 

Total Fired Pellet Production Rate, L TPH 

S02 Emission Factor, Ib/LT Fired Pellet 

Run 3 Average 

1245-1345 -~--

1~~190 

155,800 

3.2 

5.0 

194,200 

168,800 

153..!.~_09 __ 

4.5 

6.9 

586,000 - -- - - -- ---

4.2 -----~-- .---~-----.--

24_6 

-. _._- 1~324 

0.019 
ArcelorMitlal 

Virginia, MN 

Minorca Mine 

TABLE 2 

Barr Engineering Co. 

August 30, 2010 

GASEOUS POLLUTANT TEST RESULTS SUMMARY 

Test Date 

Test Period 

Air Flow Rate 

Parameter 

Furnace Stack B 

(SV015) 

Run 1 

4/1/2009 

1410-1510 

-~---" -~- ~-~- ._-" --------------~----~-

----- --- -~ -"------------------~ 

ACFM __ 183~iQQ_._._ 

SCFM -- 1.§.~,BOO 

DSCFM 141 

EPA Method 6C Results 

S02 Concentration, PPM 2.8 

S02 Emission Rate, Ib/hr 3.9 

Run 2 Run 3 Average 

4/1/2009 4/1/2009 

1530-1630 1645-1745 

1§~2QQ ___ ._ .184,.10°_ 1§~~QO 

156,000 157,400 156,700 

1,!2,--00Q . ... . _1,i1,20Q. 

----- ---

3.0 3.4 3.1 

4.2 4.8 4.3 

ArcelorMitlal 

Virginia, MN 

Minorca Mine 

TABLE 2 

Barr Engineering Co. 

August 30, 2010 

GASEOUS POLLUTANT TEST RESULTS SUMMARY 

Test Date 

Test Period 

Air Flow Rate 

Parameter 

Furnace Stack B 

(SV015) 

Run 1 

4/1/2009 

1410-1510 

-~---" -~- ~-~- ._-" --------------~----~-

----- --- -~ -"------------------~ 

ACFM __ 183~iQQ_._._ 

SCFM -- 1.§.~,BOO 

DSCFM 141 

EPA Method 6C Results 

S02 Concentration, PPM 2.8 

S02 Emission Rate, Ib/hr 3.9 

Run 2 Run 3 Average 

4/1/2009 4/1/2009 

1530-1630 1645-1745 

1§~2QQ ___ ._ .184,.10°_ 1§~~QO 

156,000 157,400 156,700 

1,!2,--00Q . ... . _1,i1,20Q. 

----- ---

3.0 3.4 3.1 

4.2 4.8 4.3 
ArcelorMittal 

Virginia, MN 

Minorca Mine 

TABLE 3 

Barr Engineering Co. 

August 30, 2010 

GASEOUS POLLUTANT TEST RESULTS SUMMARY 

Parameter 

Test Date 

Test Period 

Air Flow Rate 

ACFM 

SCFM 

DSCFM 

EPA Method 6C Results 

S02 PPM 

S02 Emission Rate, Ib/hr 

Furnace Stack C 

(SV016) 

Run 1 

i 4/2/2009 

0800-0900 . 

1 

167,300 

149,300 

5.4 

8.1 

Run 2 Run 3 Average 

4/2/2009 4/2/2009 

920-1020 1035-1135 

196,000 

167,900 168,700 168,000 

149,500 149,900 149,600 

~-""-.----.----- ~ 

4.3 7.8 5.9 

6.5 11.7 8.8 

ArcelorMittal 

Virginia, MN 

Minorca Mine 

TABLE 3 

Barr Engineering Co. 

August 30, 2010 

GASEOUS POLLUTANT TEST RESULTS SUMMARY 

Parameter 

Test Date 

Test Period 

Air Flow Rate 

ACFM 

SCFM 

DSCFM ------

EPA Method 6C Results 

S02 Con\.;~lllI adon, PPM ---------

S02 Emission Rate, Ib/hr 

Furnace Stack C 

(SV016) 

Run 1 

i 4/2/2009 

0800-0900 . 

195,300 

167,300 

149,300 -

5.4 

8.1 

Run 2 Run 3 Average 

4/2/2009 4/2/2009 "-- -~-- - --

920-1020 1035-1135 

~--~-- --

19~ 100 196,500 196,000 _. 

167,900 168,700 168,000 ---

149,500 149,900 149,600 

._-- ~----.----.----- -

4.3 7.8 5.9 ----

6.5 11.7 8.8 
ArcelorMittal 

Virginia, MN 

Minorca Mine 

TABLE 4 

Barr Engineering Co. 

August30,2010 

GASEOUS POLLUTANT TEST RESULTS SUMMARY 

Parameter 

Test Date 

Test Period 

Air Flow Rate 

ACFM 

SCFM 

DSCFM 

EPA Method 6C Results 

S02 Concentration, PPM 

S02 Emission Rate, Ib/hr 

Furnace Stack D 

(SV017) 

Run 1 

4/2/2009 

1230-1330 

1 

142,300 

3.2 

4.5 

Run 2 Run 3 Average 

4/2/2009 4/2/2009 

1340-1440 1450-1550 

190,600 _._ _190,~.Cl_ 

161,400 

142,200 141 ,3~ ____ :1j_1_,-900 

-~-~"-.-~-~ 

2.9 3.6 3.2 --~-.-

4.1 5.1 4.6 

ArcelorMittal 

Virginia, MN 

Minorca Mine 

TABLE 4 

Barr Engineering Co. 

August30,2010 

GASEOUS POLLUTANT TEST RESULTS SUMMARY 

Parameter 

Test Date 

Test Period 

Air Flow Rate 

ACFM 

SCFM 

DSCFM 

EPA Method 6C Results 

S02 Concentration, PPM 

S02 Emission Rate, Ib/hr 

Furnace Stack D 

(SV017) 

Run 1 

4/2/2009 

1230-1330 

1 

142,300 

3.2 

4.5 

Run 2 Run 3 Average 

4/2/2009 4/2/2009 

1340-1440 1450-1550 

190,600 _._ _190,~.Cl_ 

161,400 

142,200 141 ,3~ ____ :1j_1_,-900 

-~-~"-.-~-~ 

2.9 3.6 3.2 --~-.-

4.1 5.1 4.6 
ArcelorMittal Minorca Mine Barr Engineering Co. 

Virginia, MN 5/12/2009 

TABLE 5 

PROCESS OPERATING SUMMARY 

March 31-April 2, 2009 

Dust Collector Data 

Dust Process Chamber Chamber Preheat Chamber Chamber Pressure 

Collector Date Start End Rate-P1 AGas B Gas Gas A Temp B Temp Water Flow Drop 

Run# Time Time LTPH MCF/hr MCF/hr MCF/hr of of gpm in. w.c. 

Furnace Stack A 

1 3/31/09 1015 1115 343 52150 42150 74000 2311 2337 1131 4.2 

2 3/31/09 1210 1310 347 49150 41400 80500 2305 2333 1133 4.1 

3 4/1/09 1245 1345 327 57500 45550 76500 2318 2345 1139 4.2 

AVG 339 52900 43000 77000 2311 2338 1134 4.2 

Furnace Stack B 

4/1/09 1410 1510 332 59050 39347 74000 2315 2341 1646 3.9 

2 4/1/09 1530 1630 333 58000 42900 74500 2317 2344 1647 3.9 

3 4/1/09 1645 1745 330 56800 42050 74500 2319 2345 1647 4.0 

AVG 331 58000 41400 74300 2317 2343 1646 3.9 

Furnace Stack C 

1 4/2/09 800 900 329 53000 39700 77000 2317 2343 1240 4.7 

2 4/2/09 920 1020 325 53800 42300 77500 2326 2339 1234 4.8 

3 4/2/09 1035 1135 311 54250 42500 77000 2315 2343 1233 4.8 

AVG 321 53700 41500 77200 2319 2341 1236 4.8 

Furnace Stack 0 

1 4/2/09 1230 1330 333 52250 41300 77000 2321 2341 1186 6.2 

2 4/2/09 1340 1440 334 52350 42200 77000 2310 2341 1186 6.2 

3 4/2/09 1450 1550 331 53100 41600 77000 2313 2342 1186 6.2 

AVG 333 52600 41700 77000 2315 2341 1186 6.2 

ArcelorMittal Minorca Mine Barr Engineering Co. 

Virginia, MN 5/12/2009 

TABLE 5 

PROCESS OPERATING SUMMARY 

March 31-April 2, 2009 

Dust Collector Data 

Dust Process Chamber Chamber Preheat Chamber Chamber Pressure 

Collector Date Start End Rate-P1 AGas B Gas Gas A Temp B Temp Water Flow Drop 

Run# Time Time LTPH MCF/hr MCF/hr MCF/hr of of gpm in. w.c. 

Furnace Stack A 

1 3/31/09 1015 1115 343 52150 42150 74000 2311 2337 1131 4.2 

2 3/31/09 1210 1310 347 49150 41400 80500 2305 2333 1133 4.1 

3 4/1/09 1245 1345 327 57500 45550 76500 2318 2345 1139 4.2 

AVG 339 52900 43000 77000 2311 2338 1134 4.2 

Furnace Stack B 

4/1/09 1410 1510 332 59050 39347 74000 2315 2341 1646 3.9 

2 4/1/09 1530 1630 333 58000 42900 74500 2317 2344 1647 3.9 

3 4/1/09 1645 1745 330 56800 42050 74500 2319 2345 1647 4.0 

AVG 331 58000 41400 74300 2317 2343 1646 3.9 

Furnace Stack C 

1 4/2/09 800 900 329 53000 39700 77000 2317 2343 1240 4.7 

2 4/2/09 920 1020 325 53800 42300 77500 2326 2339 1234 4.8 

3 4/2/09 1035 1135 311 54250 42500 77000 2315 2343 1233 4.8 

AVG 321 53700 41500 77200 2319 2341 1236 4.8 

Furnace Stack 0 

1 4/2/09 1230 1330 333 52250 41300 77000 2321 2341 1186 6.2 

2 4/2/09 1340 1440 334 52350 42200 77000 2310 2341 1186 6.2 

3 4/2/09 1450 1550 331 53100 41600 77000 2313 2342 1186 6.2 

AVG 333 52600 41700 77000 2315 2341 1186 6.2 
Figures 
NOT TO SCALE 

2 TEST PORTS 

@ 90' 

101.75" 

-t 

"-'30' 

o _1 

- TESTING PLATFORM ELEVATION 

TEST PORT LOCATIONS 

ARCELORMITIAL MINORCA MINE, INC. 

VIRGINIA, MINNESOTA 

FROM SCRUBBER 

A & B INDURATING FURNACE STACKS (SV014) & (SV015) 

NOT FIGURE 1 TO SCALE 

2 TEST PORTS 

@ 90' 

101.75" 

-t 

"-'30' 

o _1 

- TESTING PLATFORM ELEVATION 

TEST PORT LOCATIONS 

ARCELORMITIAL MINORCA MINE, INC. 

VIRGINIA, MINNESOTA 

FROM SCRUBBER 

A & B INDURATING FURNACE STACKS (SV014) & (SV015) 

FIGURE 1 
• x 

x 

X 

G 

X METHOD 7E 

NO. OF TEST PORTS 2 POlt\jT It\jSERTIOI\j 

PORT LENGTH 4.25" DEPTH IN 

PORT DIAlvlETER 4.0" 16.99 

NO. OF TRAVERSE POINTS I 12 

2 50.88 

DUCT DIAMETER 101.75" 3 84.76 

TRAVERSE POINT LOCATIONS 

ARCELORtv1ITIAL tv1INORCA tv1INE, INC. 

VIRGINIA, tv1INNESOTA 

€I tvlETHOD 2 

INSERTlm~ 

DEPTH I ~~ 

4.43 

2 14.90 

3 30.11 

4 71.64 

5 86.85 

6 97.32 

A & B INDURATING FURNACE STACKS (SV014) & (SV015) 

NOT TO SCALE FIGURE 2 

" 

• x 

x 

X 

G 

X METHOD 7E 

NO. OF TEST PORTS 2 POlt\jT It\jSERTIOI\j 

PORT LENGTH 4.25" DEPTH IN 

PORT DIAlvlETER 4.0" 16.99 

NO. OF TRAVERSE POINTS I 12 

2 50.88 

DUCT DIAMETER 101.75" 3 84.76 

TRAVERSE POINT LOCATIONS 

ARCELORtv1ITIAL tv1INORCA tv1INE, INC. 

VIRGINIA, tv1INNESOTA 

€I tvlETHOD 2 

INSERTlm~ 

DEPTH I ~~ 

4.43 

2 14.90 

3 30.11 

4 71.64 

5 86.85 

6 97.32 

A & B INDURATING FURNACE STACKS (SV014) & (SV015) 

NOT TO SCALE FIGURE 2 

" 
NOT TO SCALE 

2 TEST PORTS 

@ 90' 

105" 

-, 

"-'30' 

o _t ! 

- TESTING PLATFORM ELEVATION 

TEST PORT LOCATIONS 

ARCELORMITIAL MINORCA MINE, INC. 

VIRGINIA, MINNESOTA 

FROM SCRUBBER 

C & D INDURATING FURNACE STACKS (SV016) & (SV017) 

NOT FIGURE 3 TO SCALE 

2 TEST PORTS 

@ 90' 

105" 

-, 

"-'30' 

o _t ! 

- TESTING PLATFORM ELEVATION 

TEST PORT LOCATIONS 

ARCELORMITIAL MINORCA MINE, INC. 

VIRGINIA, MINNESOTA 

FROM SCRUBBER 

C & D INDURATING FURNACE STACKS (SV016) & (SV017) 

FIGURE 3 
NO. OF TEST PORTS 

PORT LENGTH 

PORT DIAtviETER 

NO. OF TRAVERSE POINTS 

DUCT DIAMETER 

2 

6.0" 

4.0" 

12 

105.00" 

• X 

X 

X 

f} 

X METHOD 7E 

POlt'-JT II'-JSERTIOI'-J 

DEPTH IN " 

1 17.54 

L " 52.50 

3 87.47 

TRAVERSE POINT LOCATIONS 

ARCELORMITIAL MINORCA MINE, INC. 

VIRGINIA, MINNESOTA 

® METHOD 2 

POli'~T I INSERTION 

DEPTH !~\! 

1 4.57 

2 15.38 

3 31.07 

4 73.93 

5 89.62 

6 100.43 

C & D INDURATING FURNACE STACKS (SV016) & (SV017) 

NOT TO SCALE FIGURE 4 

" 

NO. OF TEST PORTS 

PORT LENGTH 

PORT DIAtviETER 

NO. OF TRAVERSE POINTS 

DUCT DIAMETER 

2 

6.0" 

4.0" 

12 

105.00" 

• X 

X 

X 

f} 

X METHOD 7E 

POlt'-JT II'-JSERTIOI'-J 

DEPTH IN " 

1 17.54 

L " 52.50 

3 87.47 

TRAVERSE POINT LOCATIONS 

ARCELORMITIAL MINORCA MINE, INC. 

VIRGINIA, MINNESOTA 

® METHOD 2 

POli'~T I INSERTION 

DEPTH !~\! 

1 4.57 

2 15.38 

3 31.07 

4 73.93 

5 89.62 

6 100.43 

C & D INDURATING FURNACE STACKS (SV016) & (SV017) 

NOT TO SCALE FIGURE 4 

" 
Appendices 
Appendix A 

Report Calculations and Nomenclature 

Appendix A 

Report Calculations and Nomenclature 
ArcelorMiUal 

Minorca Mine 

Virginia, MN 

Furnace Stack A 

Barr Engineering Co. 

August 27, 2010 

Bias Corrected Reference Method Data and Emissions Calculations 

O2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 

Initial 21.1 21.0 21.1 -

Final 21.0 21.1 21.1 

Cal Gas Value 21.2 21.2 21.2 

CO2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

-- - -- ----_ ... """-- ._-.- -- - --. ~------ .----- - . -- - --_._- _. -. 

Initial 0.0 0.0 0.1 --- ----"-----

Final 0.0 0.0 0.0 

Mid Range --

Initial 5.0 5.0 4.9 --

Final 5.0 5.0 4.9 

Cal Gas Value 5.0 5.0 5.0 

S02 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

--- ---

Initial 0.4 0.3 1.0 --

Final 0.3 0.3 0.3 

Mid Range 

Initial 12.3 12.4 12.8 ----

Final 12.4 12.4 13.6 

Cal Gas Value 13.2 13.2 13.2 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 19.6 19.6 19.7 ----i-- ----

Average C02, %, dry 1.3 1.4 1.3 

Average S02, ppm 5.8 4.4 3.7 

CO2 %, dry Bias Corrected 1.3 1.4 1.3 

IO2 %, dry Bias Corrected 19.7 19.7 19.8 "---

S02, ppm Bias Corrected 5.9 4.5 3.2 

Emission Factor Run 1 Run 2 Run 3 

ACFM 191,700 191,800 199,100 

SCFM 167,500 167,800 171,000 

DSCFM 152,200 152,000 155,800 

S02,lb/hr 9.0 6.8 5.0 

ArcelorMiUal 

Minorca Mine 

Virginia, MN 

Furnace Stack A 

Barr Engineering Co. 

August 27, 2010 

Bias Corrected Reference Method Data and Emissions Calculations 

O2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 

Initial 21.1 21.0 21.1 -

Final 21.0 21.1 21.1 

Cal Gas Value 21.2 21.2 21.2 

CO2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

-- - -- ----_ ... """-- ._-.- -- - --. ~------ .----- - . -- - --_._- _. -. 

Initial 0.0 0.0 0.1 --- ----"-----

Final 0.0 0.0 0.0 

Mid Range --

Initial 5.0 5.0 4.9 --

Final 5.0 5.0 4.9 

Cal Gas Value 5.0 5.0 5.0 

S02 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

--- ---

Initial 0.4 0.3 1.0 --

Final 0.3 0.3 0.3 

Mid Range 

Initial 12.3 12.4 12.8 ----

Final 12.4 12.4 13.6 

Cal Gas Value 13.2 13.2 13.2 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 19.6 19.6 19.7 ----i-- ----

Average C02, %, dry 1.3 1.4 1.3 

Average S02, ppm 5.8 4.4 3.7 

CO2 %, dry Bias Corrected 1.3 1.4 1.3 

IO2 %, dry Bias Corrected 19.7 19.7 19.8 "---

S02, ppm Bias Corrected 5.9 4.5 3.2 

Emission Factor Run 1 Run 2 Run 3 

ACFM 191,700 191,800 199,100 

SCFM 167,500 167,800 171,000 

DSCFM 152,200 152,000 155,800 

S02,lb/hr 9.0 6.8 5.0 
ArcelorMittal 

Minorca Mine 

Virginia, MN 

Furnace Stack A 

Barr Engineering Co. 

April 28, 2009 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 3/31/2009 3/31/2009 4/112009 

Test Period - - 1015 1249 1248 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 12 12 12 

Duct Dimensions (diameter for circular duct) D inches 101.75 101.75 101.75 

Barometric Pressure Pbar in. Hg 28.30 28.30 27.85 

Stack Static Pressure Pg in. H2O -0.75 -0.81 -0.80 

Average Stack Temperature, dry bulb Tsf degrees F 111 110 111 

Pitot Tube Coefficient Cp - 0.840 0.840 0.840 

Average Square Root of Velocity Head (~P)1I0.5 - 0.927 0.928 0.956 

Orsat Results, Dry Basis (EPA Method 3A) 

Carbon Dioxide %C02 %v/v 1.3 1.4 1.3 

Oxygen %02 %v/v 19.7 19.7 19.8 

Carbon Monoxide + Nitrogen - %v/v 78.9 78.9 78.9 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Duct Area A sq ft 56.47 56.47 56.47 

A = (D/24)1I2 x PI (Circular Duct) 

Stack Pressure Ps in Hg 28.24 28.24 27.79 

Ps = Pbar + Pg/13.6 

Average Moisture Content of Stack Gas MC % Vol 9.1 9.4 8.9 

(EPA Method 4) 

Molecular Weight of Stack Gas, dry Md Ib/lbmol 29.00 29.02 29.00 

Md = (0.44 x (%C02))+(0.32 x (%02))+(0.28 x (%N2+%CO)) 

Molecular Weight of Stack Gas, wet Ms Ib/lbmol 28.00 27.98 28.03 

Ms = Md x (1-(MC/100))+18 x (MC/100) 

Average Stack Gas Velocity Vs ftIsec 56.57 56.62 58.77 

Vs = 85.49 x Cp x (~P)1I0.5 x ((Ts/Ps x Ms)II.5) 

Actual Volumetric Flowrate Qa acfm 191,700 191,800 199,100 

Qa = 60 x Vs xA 

Volumetric Flowrate at Standard Conditions Qs scfm 167,500 167,800 171,000 

Qs = Qa x (528/(Ts+460)) x (Ps/29.92) 

Dry Volumetric Flowrate at Standard Conditions Qd dscfm 152,200 152,000 155,800 

Qd = Qa x (1-(MC/100)) x (528/(Ts+460)) x (Ps/29.92) 

Run 1 Moisture is average of Run 2 and Run 3 

Run 2 Moisture was determined after the NOx run due to freezing problems 

ArcelorMittal 

Minorca Mine 

Virginia, MN 

Furnace Stack A 

Barr Engineering Co. 

April 28, 2009 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 3/31/2009 3/31/2009 4/112009 

Test Period - - 1015 1249 1248 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 12 12 12 

Duct Dimensions (diameter for circular duct) D inches 101.75 101.75 101.75 

Barometric Pressure Pbar in. Hg 28.30 28.30 27.85 

Stack Static Pressure Pg in. H2O -0.75 -0.81 -0.80 

Average Stack Temperature, dry bulb Tsf degrees F 111 110 111 

Pitot Tube Coefficient Cp - 0.840 0.840 0.840 

Average Square Root of Velocity Head (~P)1I0.5 - 0.927 0.928 0.956 

Orsat Results, Dry Basis (EPA Method 3A) 

Carbon Dioxide %C02 %v/v 1.3 1.4 1.3 

Oxygen %02 %v/v 19.7 19.7 19.8 

Carbon Monoxide + Nitrogen - %v/v 78.9 78.9 78.9 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Duct Area A sq ft 56.47 56.47 56.47 

A = (D/24)1I2 x PI (Circular Duct) 

Stack Pressure Ps in Hg 28.24 28.24 27.79 

Ps = Pbar + Pg/13.6 

Average Moisture Content of Stack Gas MC % Vol 9.1 9.4 8.9 

(EPA Method 4) 

Molecular Weight of Stack Gas, dry Md Ib/lbmol 29.00 29.02 29.00 

Md = (0.44 x (%C02))+(0.32 x (%02))+(0.28 x (%N2+%CO)) 

Molecular Weight of Stack Gas, wet Ms Ib/lbmol 28.00 27.98 28.03 

Ms = Md x (1-(MC/100))+18 x (MC/100) 

Average Stack Gas Velocity Vs ftIsec 56.57 56.62 58.77 

Vs = 85.49 x Cp x (~P)1I0.5 x «Ts/Ps x Ms)II.5) 

Actual Volumetric Flowrate Qa acfm 191,700 191,800 199,100 

Qa = 60 x Vs xA 

Volumetric Flowrate at Standard Conditions Qs scfm 167,500 167,800 171,000 

Qs = Qa x (528/(Ts+460)) x (Ps/29.92) 

Dry Volumetric Flowrate at Standard Conditions Qd dscfm 152,200 152,000 155,800 

Qd = Qa x (1-(MC/100)) x (528/(Ts+460)) x (Ps/29.92) 

Run 1 Moisture is average of Run 2 and Run 3 

Run 2 Moisture was determined after the NOx run due to freezing problems 
ArcelorMittal 

Minorca Mine 

Virginia, MN 

Furnace 8tack B 

Barr Engineering Co. 

August 31,2010 

Bias Corrected Reference Method Data and Emissions Calculations 

O2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 

Initial 21.1 21.1 21.1 

Final 21.1 21.1 21.1 

Cal Gas Value 21.2 21.2 21.2 

CO2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

--~~--- .... _------

Initial 0.0 0.1 0.0 

Final 0.1 0.0 0.0 

Mid Range 1--- .. _--- -------~-1-- ----.-----

Initial 4.9 4.9 4.9 

Final 4.9 4.9 4.9 

Cal Gas Value 5.0 5.0 5.0 

802 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

Initial 0.3 0.8 1.0 

Final 0.8 1.0 1.2 

Mid Range 

Initial 13.6 13.4 13.4 

Final 13.4 13.4 13.1 

Cal Gas Value 13.2 13.2 13.2 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 19.4 19.5 19.5 

Average C02, %, dry 1.6 1.5 1.5 

Average 802, ppm 3.3 3.7 4.3 

CO2 %, dry Bias Corrected 1.6 1.5 1.5 "-,.-

O2 %, dry Bias Corrected 19.5 19.5 19.5 ------ ------

802, ppm Bias Corrected 2.8 3.0 3.4 

Emission Factor Run 1 Run 2 Run 3 

ACFM 183,400 182,500 184,100 

8CFM 156,800 156,000 157,400 

D8CFM 141,300 140,400 142,000 

802,lb/hr 3.9 4.2 4.8 

ArcelorMittal 

Minorca Mine 

Virginia, MN 

Furnace 8tack B 

Barr Engineering Co. 

August 31,2010 

Bias Corrected Reference Method Data and Emissions Calculations 

O2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 

Initial 21.1 21.1 21.1 

Final 21.1 21.1 21.1 

Cal Gas Value 21.2 21.2 21.2 

CO2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

--~~--- .... _------

Initial 0.0 0.1 0.0 

Final 0.1 0.0 0.0 

Mid Range i--- .. _--- -------~-1-- ----.-----

Initial 4.9 4.9 4.9 

Final 4.9 4.9 4.9 

Cal Gas Value 5.0 5.0 5.0 

802 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

Initial 0.3 0.8 1.0 

Final 0.8 1.0 1.2 

Mid Range 

Initial 13.6 13.4 13.4 

Final 13.4 13.4 13.1 

Cal Gas Value 13.2 13.2 13.2 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 19.4 19.5 19.5 

Average C02, %, dry 1.6 1.5 1.5 

Average 802, ppm 3.3 3.7 4.3 

CO2 %, dry Bias Corrected 1.6 1.5 1.5 "-,.-

O2 %, dry Bias Corrected 19.5 19.5 19.5 ------ ------

802, ppm Bias Corrected 2.8 3.0 3.4 

Emission Factor Run 1 Run 2 Run 3 

ACFM 183,400 182,500 184,100 

8CFM 156,800 156,000 157,400 

D8CFM 141,300 140,400 142,000 

802,lb/hr 3.9 4.2 4.8 
ArcelorMittal 

Minorca Mine 

Virginia, MN 

Furnace Stack B 

Barr Engineering Co. 

April 28, 2009 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 4/1/2009 4/1/2009 4/1/2009 

Test Period - - 1435 1600 1704 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 12 12 12 

Duct Dimensions (diameter for circular duct) D inches 101.75 101.75 101.75 

Barometric Pressure Pbar in. Hg 27.85 27.85 27.85 

Stack Static Pressure Pg in. H2O -0.72 -0.70 -0.70 

Average Stack Temperature, dry bulb Tsf degrees F 114 114 114 

Pitot Tube Coefficient Cp - 0.840 0.840 0.840 

Average Square Root of Velocity Head (.6.P)"0.5 - 0.877 0.873 0.880 

Orsat Results, Dry Basis (EPA Method 3A) 

Carbon Dioxide %C02 %v/v 1.6 1.5 1.5 

Oxygen %02 %v/v 19.5 19.5 19.5 

Carbon Monoxide + Nitrogen - %v/v 78.9 79.0 79.0 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Duct Area A sq ft 56.47 56.47 56.47 

A = (D/24)"2 x PI (Circular Duct) 

Stack Pressure Ps in Hg 27.80 27.80 27.80 

Ps = Pbar + Pg/13.6 

Average Moisture Content of Stack Gas MC % Vol 9.8 10.0 9.8 

(EPA Method 4) 

Molecular Weight of Stack Gas, dry Md Ibllbmol 29.03 29.03 29.03 

Md = (0.44 x (%C02))+(0.32 x (%02))+(0.28 x (%N2+%CO)) 

Molecular Weight of Stack Gas, wet Ms Ib/lbmol 27.95 27.92 27.95 

Ms = Md x (1-(MC/100))+18 x (MC/100) 

Average Stack Gas Velocity Vs ftlsec 54.13 53.88 54.32 

Vs = 85.49 x Cp x (.6.P)"0.5 x ((Ts/Ps x Ms)".5) 

Actual Volumetric Flowrate Qa acfm 183,400 182,500 184,100 

Qa = 60 x Vs x A 

Volumetric Flowrate at Standard Conditions Qs scfm 156,800 156,000 157,400 

Qs = Qa x (528/(Ts+460)) x (Ps/29.92) 

Dry Volumetric Flowrate at Standard Conditions Qd dscfm 141,300 140,400 142,000 

Qd = Qa x (1-(MC/100)) x (528/(Ts+460)) x (Ps/29.92) 

ArcelorMittal 

Minorca Mine 

Virginia, MN 

Furnace Stack B 

Barr Engineering Co. 

April 28, 2009 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 4/1/2009 4/1/2009 4/1/2009 

Test Period - - 1435 1600 1704 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 12 12 12 

Duct Dimensions (diameter for circular duct) D inches 101.75 101.75 101.75 

Barometric Pressure Pbar in. Hg 27.85 27.85 27.85 

Stack Static Pressure Pg in. H2O -0.72 -0.70 -0.70 

Average Stack Temperature, dry bulb Tsf degrees F 114 114 114 

Pitot Tube Coefficient Cp - 0.840 0.840 0.840 

Average Square Root of Velocity Head (.6.P)"0.5 - 0.877 0.873 0.880 

Orsat Results, Dry Basis (EPA Method 3A) 

Carbon Dioxide %C02 %v/v 1.6 1.5 1.5 

Oxygen %02 %v/v 19.5 19.5 19.5 

Carbon Monoxide + Nitrogen - %v/v 78.9 79.0 79.0 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Duct Area A sq ft 56.47 56.47 56.47 

A = (D/24)"2 x PI (Circular Duct) 

Stack Pressure Ps in Hg 27.80 27.80 27.80 

Ps = Pbar + Pg/13.6 

Average Moisture Content of Stack Gas MC % Vol 9.8 10.0 9.8 

(EPA Method 4) 

Molecular Weight of Stack Gas, dry Md Ibllbmol 29.03 29.03 29.03 

Md = (0.44 x (%C02))+(0.32 x (%02))+(0.28 x (%N2+%CO)) 

Molecular Weight of Stack Gas, wet Ms Ib/lbmol 27.95 27.92 27.95 

Ms = Md x (1-(MC/100))+18 x (MC/100) 

Average Stack Gas Velocity Vs ftlsec 54.13 53.88 54.32 

Vs = 85.49 x Cp x (.6.P)"0.5 x ((Ts/Ps x Ms)".5) 

Actual Volumetric Flowrate Qa acfm 183,400 182,500 184,100 

Qa = 60 x Vs x A 

Volumetric Flowrate at Standard Conditions Qs scfm 156,800 156,000 157,400 

Qs = Qa x (528/(Ts+460)) x (Ps/29.92) 

Dry Volumetric Flowrate at Standard Conditions Qd dscfm 141,300 140,400 142,000 

Qd = Qa x (1-(MC/100)) x (528/(Ts+460)) x (Ps/29.92) 
ArcelorMiUal 

Minorca Mine 

Virginia, MN 

Furnace Stack C 

Barr Engineering Co. 

August 27,2010 

Bias Corrected Reference Method Data and Emissions Calculations 

O2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 1--· 

Initial 21.1 21.0 21.1 

Final 21.0 21.1 21.1 

Cal Gas Value 21.2 21.2 21.2 

CO2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

--- ---- -----1--· ---""~-~-

Initial 0.0 0.1 0.0 ---- ---------

Final 0.1 0.0 0.0 

Mid Range 

Initial 5.0 4.9 4.9 

Final 4.9 4.9 4.9 

Cal Gas Value 5.0 5.0 5.0 

S02 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

,- ---------- -----

Initial 0.5 0.8 1.0 ---------- -_.- --~--- ,----- --- ---- '"-----

Final 0.8 1.0 1.1 

Mid Range - --------

Initial 12.6 12.7 12.7 -.---

Final 12.7 12.7 12.7 

Cal Gas Value 13.2 13.2 13.2 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 18.9 18.9 18.9 

Average C02, %, dry 2.0 1.9 1.9 

Average S02, ppm 5.4 4.8 8.1 

CO2 %, dry Bias Corrected 2.0 1.9 1.9 

O2 %, dry Bias Corrected 19.0 19.0 18.9 

S02, ppm Bias Corrected 5.3 4.4 7.9 

Emission Factor Run 1 Run 2 Run 3 

ACFM 195,300 196,100 196,500 

SCFM 167,300 167,900 168,700 --

DSCFM 149,300 149,500 149,900 

1--- ---- "---

S02,lb/hr 7.9 6.6 11.9 

ArcelorMiUal 

Minorca Mine 

Virginia, MN 

Furnace Stack C 

Barr Engineering Co. 

August 27,2010 

Bias Corrected Reference Method Data and Emissions Calculations 

O2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 1--· 

Initial 21.1 21.0 21.1 

Final 21.0 21.1 21.1 

Cal Gas Value 21.2 21.2 21.2 

CO2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

--- ---- -----1--· ---""~-~-

Initial 0.0 0.1 0.0 ---- ---------

Final 0.1 0.0 0.0 

Mid Range 

Initial 5.0 4.9 4.9 

Final 4.9 4.9 4.9 

Cal Gas Value 5.0 5.0 5.0 

S02 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

,- ---------- -----

Initial 0.5 0.8 1.0 ---------- -_.- --~--- ,----- --- ---- '"-----

Final 0.8 1.0 1.1 

Mid Range - --------

Initial 12.6 12.7 12.7 -.---

Final 12.7 12.7 12.7 

Cal Gas Value 13.2 13.2 13.2 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 18.9 18.9 18.9 

Average C02, %, dry 2.0 1.9 1.9 

Average S02, ppm 5.4 4.8 8.1 

CO2 %, dry Bias Corrected 2.0 1.9 1.9 

O2 %, dry Bias Corrected 19.0 19.0 18.9 

S02, ppm Bias Corrected 5.3 4.4 7.9 

Emission Factor Run 1 Run 2 Run 3 

ACFM 195,300 196,100 196,500 

SCFM 167,300 167,900 168,700 --

DSCFM 149,300 149,500 149,900 

1--- ---- "---

S02,lb/hr 7.9 6.6 11.9 
ArcelorMitlal 

Minorca Mine 

Virginia, MN 

Furnace Stack C 

Barr Engineering Co. 

April 28,2009 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 4/2/2009 4/2/2009 4/2/2009 

Test Period - - 829 932 1100 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 12 12 12 

Duct Dimensions (diameter for circular duct) D inches 105 105 105 

Barometric Pressure Pbar in. Hg 28.15 28.15 28.15 

Stack Static Pressure Pg in. H2O -0.81 -0.80 -0.80 

Average Stack Temperature, dry bulb Tsf degrees F 119 119 117 

Pitot Tube Coefficient Cp - 0.840 0.840 0.840 

Average Square Root of Velocity Head (l\P)"0.5 - 0.877 0.880 0.882 

Orsat Results, Dry Basis (EPA Method 3A) 

Carbon Dioxide %C02 %v/v 2.0 1.9 1.9 

Oxygen %02 %v/v 19.0 19.0 18.9 

Carbon Monoxide + Nitrogen - %v/v 79.1 79.1 79.2 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Duct Area A sq ft 60.13 60.13 60.13 

A = (D/24)"2 x PI (Circular Duct) 

Stack Pressure Ps in Hg 28.09 28.09 28.09 

Ps = Pbar + Pg/13.6 

Average Moisture Content of Stack Gas MC % Vol 10.8 11.0 11.1 

(EPA Method 4) 

Molecular Weight of Stack Gas, dry Md Ib/lbmol 29.07 29.07 29.06 

Md = (0.44 x (%C02))+(0.32 x (%02))+(0.28 x (%N2+%CO)) 

Molecular Weight of Stack Gas, wet Ms Ib/lbmol 27.88 27.85 27.83 

Ms = Md x (1-(MC/100))+18 x (MC/100) 

Average Stack Gas Velocity Vs ftlsec 54.13 54.35 54.46 

Vs = 85.49 x Cp x (l\P)"0.5 x ((Ts/Ps x Ms)".5) 

Actual Volumetric Flowrate Qa acfm 195,300 196,100 196,500 

Qa = 60 x Vs x A 

Volumetric Flowrate at Standard Conditions Qs scfm 167,300 167,900 168,700 

Qs = Qa x (528/(Ts+460)) x (Ps/29.92) 

Dry Volumetric Flowrate at Standard Conditions Qd dscfm 149,300 149,500 149,900 

Qd = Qa x (1-(MC/100)) x (528/(Ts+460)) x (Ps/29.92) 

ArcelorMitlal 

Minorca Mine 

Virginia, MN 

Furnace Stack C 

Barr Engineering Co. 

April 28,2009 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 4/2/2009 4/2/2009 4/2/2009 

Test Period - - 829 932 1100 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 12 12 12 

Duct Dimensions (diameter for circular duct) D inches 105 105 105 

Barometric Pressure Pbar in. Hg 28.15 28.15 28.15 

Stack Static Pressure Pg in. H2O -0.81 -0.80 -0.80 

Average Stack Temperature, dry bulb Tsf degrees F 119 119 117 

Pitot Tube Coefficient Cp - 0.840 0.840 0.840 

Average Square Root of Velocity Head (l\P)"0.5 - 0.877 0.880 0.882 

Orsat Results, Dry Basis (EPA Method 3A) 

Carbon Dioxide %C02 %v/v 2.0 1.9 1.9 

Oxygen %02 %v/v 19.0 19.0 18.9 

Carbon Monoxide + Nitrogen - %v/v 79.1 79.1 79.2 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Duct Area A sq ft 60.13 60.13 60.13 

A = (D/24)"2 x PI (Circular Duct) 

Stack Pressure Ps in Hg 28.09 28.09 28.09 

Ps = Pbar + Pg/13.6 

Average Moisture Content of Stack Gas MC % Vol 10.8 11.0 11.1 

(EPA Method 4) 

Molecular Weight of Stack Gas, dry Md Ib/lbmol 29.07 29.07 29.06 

Md = (0.44 x (%C02))+(0.32 x (%02))+(0.28 x (%N2+%CO)) 

Molecular Weight of Stack Gas, wet Ms Ib/lbmol 27.88 27.85 27.83 

Ms = Md x (1-(MC/100))+18 x (MC/100) 

Average Stack Gas Velocity Vs ftlsec 54.13 54.35 54.46 

Vs = 85.49 x Cp x (l\P)"0.5 x ((Ts/Ps x Ms)".5) 

Actual Volumetric Flowrate Qa acfm 195,300 196,100 196,500 

Qa = 60 x Vs x A 

Volumetric Flowrate at Standard Conditions Qs scfm 167,300 167,900 168,700 

Qs = Qa x (528/(Ts+460)) x (Ps/29.92) 

Dry Volumetric Flowrate at Standard Conditions Qd dscfm 149,300 149,500 149,900 

Qd = Qa x (1-(MC/100)) x (528/(Ts+460)) x (Ps/29.92) 
ArcelorMittal 

Minorca Mine 

Virginia, MN 

Furnace Stack D 

Barr Engineering Co. 

August 27, 2010 

Bias Corrected Reference Method Data and Emissions Calculations 

O2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 

Initial 21.1 21.1 21.0 

Final 21.1 21.0 21.0 

Cal Gas Value 21.2 21.2 21.2 

CO2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.0 0.0 0.1 

Final 0.0 0.1 0.1 

Mid Range 

Initial 4.9 4.9 5.0 ------

Final 4.9 5.0 5.0 

Cal Gas Value 5.0 5.0 5.0 

S02 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

--- ---

Initial 1.1 1.4 1.6 

Final 1.4 1.6 1.9 

Mid Range 

Initial 12.7 13.2 13.5 

Final 13.2 13.5 13.7 

Cal Gas Value 13.2 13.2 13.2 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 18.3 18.3 18.3 

Average C02, %, dry 2.3 2.3 2.4 

Average S02, ppm 3.9 3.9 4.7 

CO2 %, dry Bias Corrected 2.4 2.3 2.3 

O2 %, dry Bias Corrected 18.4 18.4 18.4 

S02, ppm Bias Corrected 3.0 2.7 3.3 

Emission Factor Run 1 Run 2 Run 3 

ACFM 189,500 191,000 190,600 

SCFM 160,600 161,900 161,600 

--"~---"--

DSCFM 142,300 142,200 141,300 -

S02,lb/hr 4.3 3.8 4.7 

ArcelorMittal 

Minorca Mine 

Virginia, MN 

Furnace Stack D 

Barr Engineering Co. 

August 27, 2010 

Bias Corrected Reference Method Data and Emissions Calculations 

O2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 

Initial 21.1 21.1 21.0 

Final 21.1 21.0 21.0 

Cal Gas Value 21.2 21.2 21.2 

CO2 Calibration, %, dry Run 1 Run 2 Run 3 

Zero 

Initial 0.0 0.0 0.1 

Final 0.0 0.1 0.1 

Mid Range 

Initial 4.9 4.9 5.0 ------

Final 4.9 5.0 5.0 

Cal Gas Value 5.0 5.0 5.0 

S02 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

--- ---

Initial 1.1 1.4 1.6 

Final 1.4 1.6 1.9 

Mid Range 

Initial 12.7 13.2 13.5 

Final 13.2 13.5 13.7 

Cal Gas Value 13.2 13.2 13.2 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 18.3 18.3 18.3 

Average C02, %, dry 2.3 2.3 2.4 

Average S02, ppm 3.9 3.9 4.7 

CO2 %, dry Bias Corrected 2.4 2.3 2.3 

O2 %, dry Bias Corrected 18.4 18.4 18.4 

S02, ppm Bias Corrected 3.0 2.7 3.3 

Emission Factor Run 1 Run 2 Run 3 

ACFM 189,500 191,000 190,600 

SCFM 160,600 161,900 161,600 

--"~---"--

DSCFM 142,300 142,200 141,300 -

S02,lb/hr 4.3 3.8 4.7 
ArcelorMitlal 

Minorca Mine 

Virginia, MN 

Furnace Stack D 

Barr Engineering Co. 

April 28, 2009 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 4/2/2009 4/2/2009 4/2/2009 

Test Period - - 1249 1425 1500 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 12 12 12 

Duct Dimensions (diameter for circular duct) D inches 105 105 105 

Barometric Pressure Pbar in. Hg 28.15 28.15 28.15 

Stack Static Pressure Pg in. H2O -0.61 -0.63 -0.59 

Average Stack Temperature, dry bulb Tsf degrees F 125 125 125 

Pitot Tube Coefficient Cp - 0.840 0.840 0.840 

Average Square Root of Velocity Head (L'lP)AO.5 - 0.846 0.851 0.849 

Orsat Results, Dry Basis (EPA Method 3A) 

Carbon Dioxide %C02 %v/v 2.4 2.3 2.3 

Oxygen %02 %v/v 18.4 18.4 18.4 

Carbon Monoxide + Nitrogen - %v/v 79.2 79.3 79.3 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Duct Area A sq ft 60.13 60.13 60.13 

A = (D/24)A2 x PI (Circular Duct) 

Stack Pressure Ps in Hg 28.11 28.10 28.11 

Ps = Pbar + Pg/13.6 

Average Moisture Content of Stack Gas MC % Vol 11.4 12.2 12.6 

(EPA Method 4) 

Molecular Weight of Stack Gas, dry Md Ibllbmol 29.12 29.11 29.11 

Md = (0.44 x (%C02))+(0.32 x (%02))+(0.28 x (%N2+%CO)) 

Molecular Weight of Stack Gas, wet Ms Ib/lbmol 27.85 27.76 27.72 

Ms = Md x (1-(MC/100))+18 x (MC/100) 

Average Stack Gas Velocity Vs fUsec 52.52 52.95 52.82 

Vs = 85.49 x Cp x (L'lP)AO.5 x ((Ts/Ps x MS)A.5) 

Actual Volumetric Flowrate Qa acfm 189,500 191,000 190,600 

Qa = 60 x Vs x A 

Volumetric Flowrate at Standard Conditions Qs scfm 160,600 161,900 161,600 

Qs = Qa x (528/(Ts+460)) x (Ps/29.92) 

Dry Volumetric Flowrate at Standard Conditions Qd dscfm 142,300 142,200 141,300 

Qd = Qa x (1-(MC/100)) x (528/(Ts+460)) x (Ps/29.92) 

ArcelorMitlal 

Minorca Mine 

Virginia, MN 

Furnace Stack D 

Barr Engineering Co. 

April 28, 2009 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 4/2/2009 4/2/2009 4/2/2009 

Test Period - - 1249 1425 1500 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 12 12 12 

Duct Dimensions (diameter for circular duct) D inches 105 105 105 

Barometric Pressure Pbar in. Hg 28.15 28.15 28.15 

Stack Static Pressure Pg in. H2O -0.61 -0.63 -0.59 

Average Stack Temperature, dry bulb Tsf degrees F 125 125 125 

Pitot Tube Coefficient Cp - 0.840 0.840 0.840 

Average Square Root of Velocity Head (L'lP)AO.5 - 0.846 0.851 0.849 

Orsat Results, Dry Basis (EPA Method 3A) 

Carbon Dioxide %C02 %v/v 2.4 2.3 2.3 

Oxygen %02 %v/v 18.4 18.4 18.4 

Carbon Monoxide + Nitrogen - %v/v 79.2 79.3 79.3 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Duct Area A sq ft 60.13 60.13 60.13 

A = (D/24)A2 x PI (Circular Duct) 

Stack Pressure Ps in Hg 28.11 28.10 28.11 

Ps = Pbar + Pg/13.6 

Average Moisture Content of Stack Gas MC % Vol 11.4 12.2 12.6 

(EPA Method 4) 

Molecular Weight of Stack Gas, dry Md Ibllbmol 29.12 29.11 29.11 

Md = (0.44 x (%C02))+(0.32 x (%02))+(0.28 x (%N2+%CO)) 

Molecular Weight of Stack Gas, wet Ms Ib/lbmol 27.85 27.76 27.72 

Ms = Md x (1-(MC/100))+18 x (MC/100) 

Average Stack Gas Velocity Vs fUsec 52.52 52.95 52.82 

Vs = 85.49 x Cp x (L'lP)AO.5 x ((Ts/Ps x MS)A.5) 

Actual Volumetric Flowrate Qa acfm 189,500 191,000 190,600 

Qa = 60 x Vs x A 

Volumetric Flowrate at Standard Conditions Qs scfm 160,600 161,900 161,600 

Qs = Qa x (528/(Ts+460)) x (Ps/29.92) 

Dry Volumetric Flowrate at Standard Conditions Qd dscfm 142,300 142,200 141,300 

Qd = Qa x (1-(MC/100)) x (528/(Ts+460)) x (Ps/29.92) 
Calculation Equations - EPA Methods 3A, 6C, 7E 

System bias adjustment on source concentration indicated by the analyzer 

where: 

C = (C, -Co) CiliA 

pplII ., C C III - 0 

is the adjusted source concentration, ppm(dry) 

is the average concentration indicated by the analyzer, ppm(dry) 

is the average of the initial and final system calibration responses of the zero 

gas, ppm 

is the average of the initial and final system calibration responses of the upscale 

gas, ppm 

is the certified concentration of the upscale calibration gas, ppm 

Convert source concentration into emission rate (Ib/hr). 

where: 

C _ MWXCPPIII 

(

...!!!L) - 24.04 

dscm 

E(ih /lIr) = (6.242 x 10-8 )x C(!!!K..) x 60 x Q" 

£bjcm 

C(.!!!K.) dscm 

MW 

24.04 

E(lblhr) 

6.242xlO-8 

Qd 

60 

amount of compound, by weight(mg), per dry standard cubic meter of air 

is the molecular weight of the gaseous compound 

where MW = 

64 SO} 

46 NO} 

28 CO 

34 TRS (Assume H}S Molecular Weight) 

is the molar volume of gas at 68 OF and 29.92 in Hg, Llg-mole 

emission rate of gaseous compound in pounds per hour 

is the conversion factor from mg/m3 to Ib/ft3 

flow rate of dry gas at standard conditions in cubic feet per minute, dscfrn 

is the conversion factor from minutes to hours 

Calculation Equations - EPA Methods 3A, 6C, 7E 

System bias adjustment on source concentration indicated by the analyzer 

where: 

C = (C, -Co) CiliA 

pplII ., C C III - 0 

is the adjusted source concentration, ppm(dry) 

is the average concentration indicated by the analyzer, ppm(dry) 

is the average of the initial and final system calibration responses of the zero 

gas, ppm 

is the average of the initial and final system calibration responses of the upscale 

gas, ppm 

is the certified concentration of the upscale calibration gas, ppm 

Convert source concentration into emission rate (Ib/hr). 

where: 

C _ MWXCPPIII 

(

...!!!L) - 24.04 

dscm 

E(ih /lIr) = (6.242 x 10-8 )x C(!!!K..) x 60 x Q" 

£bjcm 

C(.!!!K.) dscm 

MW 

24.04 

E(lblhr) 

6.242xlO-8 

Qd 

60 

amount of compound, by weight(mg), per dry standard cubic meter of air 

is the molecular weight of the gaseous compound 

where MW = 

64 SO} 

46 NO} 

28 CO 

34 TRS (Assume H}S Molecular Weight) 

is the molar volume of gas at 68 OF and 29.92 in Hg, Llg-mole 

emission rate of gaseous compound in pounds per hour 

is the conversion factor from mg/m3 to Ib/ft3 

flow rate of dry gas at standard conditions in cubic feet per minute, dscfrn 

is the conversion factor from minutes to hours 
Appendix B 

Field Data Sheets 
I 

I! I .' 1 Project do"c·,·/C>/ -/V),jtc, 

Sample Location -f"".\ "'" .:.,{v.-i-l: .,~ 

Date J - J j - u '1 

Operators 7f'l1( / D3/( 

Duct Dimensions lei, 7 S 

Port Length 4. 2.,)-

Pitot Tube No. J ( 

Manometer ID u,' ( 

Digital Therm ID C - (. 

inches 

inches 

Cp o!?y 

Bar.ID 131-D3)( 

T.C.ID .3 .. i..( 

EPA METHOD 2 

FIELD DATA SHEET 

, . Run 1 Run 2 Run 3 Run4 

Bar Press (In Hg) ?"o~" ;)'t,.)-::, )}, ~.r 

Stat. Press (In H2O) /""0 1.7 -o,pl '-O,~O 

Temp - Dry Bulb of III {fr.> It/ - Temp - Wet Bulb OF 

Moist Content - % 

°2% 1 '1.1 (~. 7 n·~ iTime of Meas. IC:;)(~ IJ'1'''i 12<{75 

f... ( ""' • ..". O. ;:, 

Pitot Leak Check ~ositive: (;!;::.,J:j Negative:t1:>; <:. 11..-], c:;, _ <.) -a-. -..;,--

Traverse Point Information Cyclonic Velocity Head· Inches H2O Stack Temperature. OF 

Point Inches From: Flow Run 1 Run 2 Run 3 Run 4 Run 1 Run 2 Run 3 Run 4 

Number Wall Port /0 tlP :.P :.P tlP Temp. Temp. Temp. Temp. 

A LrY3 .-. D, (, ° o.~ 0,4;> i Y. ~~ ~ I 

(, I'lCjc it, i 1.J -' ,,'!:> !?·71f 0·77 {),Cfi 

3 -', 

~';·(I 31,)ic -5' (9,17(:, d).'&? 0, ~'0 

'1 //.1;.0 'f '7'r. ,'17 4Lj 0,'15 D.C( ( 0.'70 

.5' ~. If.) <1/, (() -1-'3 O,V;2.. f).q7l' o .qCJ 

G ':0.)2.- . " I.L y.- !Ci..J7 \' 0.1 4 &.q0> o.qG 

'" I:;' I / 0.Q;- 0."iJ7 0, 'It{ 

7 'S- (),Cf~ D.$;)' 0(1,2. I .., 

I 0·77 ./ (), flAY (),7f'{ 

• i 

~f (9. ttz. IO,~ O. CI 'j 'i I I 

S '~ 0·97 0,'1.'7 o .Ci~ 

'" I ! O'7f~ o. 7ff IC)\~~{ I 

I I I I I 

i i I I I j j I i i I I I I I I I i I 

I 

! 

I 

Run 1 Run 2 Run 3 Run 4 

Stack Pres. - In Hg 

Duct Area - Sq Ft. 

Mole Weight - Md 

Mole VI/eight - Ms I 

Avg. Temp. - OF I Average~ 

Gas Vel - FUSee 

ACFM 

SCFM 

DSCFM 

Schematic of Duct Cross-Section 

I 

I! I .' 1 Project do"c·,·/C>/ -/V),jtc, 

Sample Location -f"".\ "'" .:.,{v.-i-l: .,~ 

Date J - J j - u '1 

Operators 7f'l1( / D3/( 

Duct Dimensions lei, 7 S 

Port Length 4. 2.,)-

Pitot Tube No. J ( 

Manometer ID u,' ( 

Digital Therm ID C - (. 

inches 

inches 

Cp o!?y 

Bar.ID 131-D3)( 

T.C.ID .3 .. i..( 

EPA METHOD 2 

FIELD DATA SHEET 

, . Run 1 Run 2 Run 3 Run4 

Bar Press (In Hg) ?"o~" ;)'t,.)-::, )}, ~.r 

Stat. Press (In H2O) /""0 1.7 -o,pl '-O,~O 

Temp - Dry Bulb of III {fr.> It/ - Temp - Wet Bulb OF 

Moist Content - % 

°2% 1 '1.1 (~. 7 n·~ iTime of Meas. IC:;)(~ IJ'1'''i 12<{75 

f... ( ""' • ..". O. ;:, 

Pitot Leak Check ~ositive: (;!;::.,J:j Negative:t1:>; <:. 11..-], c:;, _ <.) -a-. -..;,--

Traverse Point Information Cyclonic Velocity Head· Inches H2O Stack Temperature. OF 

Point Inches From: Flow Run 1 Run 2 Run 3 Run 4 Run 1 Run 2 Run 3 Run 4 

Number Wall Port /0 tlP :.P :.P tlP Temp. Temp. Temp. Temp. 

A LrY3 .-. D, (, ° o.~ 0,4;> i Y. ~~ ~ I 

(, I'lCjc it, i 1.J -' ,,'!:> !?·71f 0·77 {),Cfi 

3 -', 

~';·(I 31,)ic -5' (9,17(:, d).'&? 0, ~'0 

'1 //.1;.0 'f '7'r. ,'17 4Lj 0,'15 D.C( ( 0.'70 

.5' ~. If.) <1/, (() -1-'3 O,V;2.. f).q7l' o .qCJ 

G ':0.)2.- . " I.L y.- !Ci..J7 \' 0.1 4 &.q0> o.qG 

'" I:;' I / 0.Q;- 0."iJ7 0, 'It{ 

7 'S- (),Cf~ D.$;)' 0(1,2. I .., 

I 0·77 ./ (), flAY (),7f'{ 

• i 

~f (9. ttz. IO,~ O. CI 'j 'i I I 

S '~ 0·97 0,'1.'7 o .Ci~ 

'" I ! O'7f~ o. 7ff IC)\~~{ I 

I I I I I 

i i I I I j j I i i I I I I I I I i I 

I 

! 

I 

Run 1 Run 2 Run 3 Run 4 

Stack Pres. - In Hg 

Duct Area - Sq Ft. 

Mole Weight - Md 

Mole VI/eight - Ms I 

Avg. Temp. - OF I Average~ 

Gas Vel - FUSee 

ACFM 

SCFM 

DSCFM 

Schematic of Duct Cross-Section 
EPA METHOD 4 

FIELD DATA SHEET 

Project A ..r<:"L (0 f i""'~+:L I eM ~ SM __ P__ a :i:I>~ Sample Train Leak Rate (cfm) 

Sample Location -hj r,,"I.-CI;: A ,14.. Ie.. Meteri' ! 007'1 Bar. Press.'? ~~in Hg Pretest o~ at 15 in Hg 

Date 3-3/- 0 / Test-L Run_I__ OrificetlH@f,(!fi'Z'iPosttestiY /UOatSlnHg 

Operators ""'ILl.;?;;) t.. Eff. Probe Length __ ft Liner Type:O Glass$-S.S.O Other ____ _ 

RUN 1 

Sample Sample Meter Orifice Sample Sample Train Temperatures, 'F Oxygen 

Point Time Reading Pressure, Vacuum, Probe Filter Impinger Meter I Iv'leter Content. .11 Vm, Cu.Ft L'lH in H2O in Hg Outlet Inlet Outlet % 

I (lDoC, ) ( 33'1.11) < . 

1 5 J;:;~,"?.) / , ;, • ..:> -- <,I", '7 1 7 '-I /1,1 

2 10 3, t.f2... 'V/.. " 7 ;"';> ..... - _I/~ .., ... "7 ~ 

3 15 .)'1L, ,." I, "+- J. >- - ~ '-I.cg, 7'77 73 

4 20 7 '('1'" \0 (. -:r- 1,-" ,.. - <./q ,s- 73 

5 25 ~>-~,"I'\ (.1 J . .:> - i.{'tj1 7c' 7) 

6 30 {.1 p_ r; '1(,- '7'1 '1 '1 

7 35 I, ~ ';.'" I - - Vc.- 7 ~ ,/'-1 

8 40 .>1.. '1,.-r 1 ") .J,> '- - "IS Lq --;{ 

9 45 k--~ ;)' /, ? 3. ,\ -- - "()- ':?Ie:> '7 "/ 

10 50 Yll g')- f ,1 2.~ 47 '2!", 75 

11 55 (~ / .--:; 1 ;:;, I - - '-(J vo I )£ 

12 60 ." -¥1 .1< /.1 ;" v - - '1 "/ y~ 7.t; 

I 

( l I () t7 ) I 

I I I 

0''-.CvU Vm=('{5.lq5R= \".-r- I .. . ... TmS75;.i.fL 

Integrated Gas Sampling Data: Moisture Recovery Data' 

Box No. ;4 Leak Rate, cc/min ):...4.;.-· ___ at 15 in Hg 

Bag No.} 02 Reading -+-1,-__ Bag Vol. V!/ 02 Analyzer No. _tV_' __ _ 

Impinger 1 I 2 3 I 4 J Desiccant 

Final 'Nt., 9 ( "Z.. "Z- ((.)(/ .::> I I /J I, 

.Initial "vt., 9 100 10D 0 I I I'i!;;' 

I 

I 

l) 

(I~ 

II I 

f I 

J I Z. 

(lu 

III 

I/O 

1/ () 

If ~ 

II i) 

, D'j 

Total I 

I 

Difference ! 

, ~'- I> - !) I I tf I :$1 -I 

Sample Sample Meter I OrifiCe Sample I 

Point Time Reading Pressure, Vacuum, 1 

6T Vm, Cu.Ft .:iH in H2O in Hg , 

(jj%'" ) (~I I 

1 5 I I. 1- I Y I 2 10 '2.'tX8z...1 I,', '-/ I 

3 15 I J, '?- "I I 

4 20 3>7'(?, I I I. 'l "-; I 

I 5 25 1'2....;~,i?::, ~ "'I / • 1-. I 

I 6 30 4"o;,~ ~-.'i'" "/; 1.- ! ..; I 

i 7 I 35 UD7'b (11 w- I 

I 8 40 1.[1'· () , 7 <.j I 

9 45 4/<.'."t'l-- i. i '-f I 

10 50 u., t>. '60 /. I '-{ I 

11 55 '.0.1 .(,~ {. ]- '-/ I 

12 60 <I 1 (P.(j;) / ' "1- ?{ I 

I 

(l':! I U ) I 

I 

0'= (".0 Vm= t{5. 7 5R=/. I , .... I 

Integrated Gas Sampling Data: 

Box No. )A Leak Rate, cclmin ...::>--:-4 __ at 15 in Hg 

Bag No. I 02 Reading -,-",,1 __ Bag Vol. J- 02 Analyzer No. \,:; --"---

RUN 2 

Sample Train Temperatures, OF 

Probe I Filter Impinger Meter I Outlet Inlet , 

- - '17 7 V 

-. - S"" I 7'f - -- ",,'3, "'ttr ..... <./0 , u '1~-

I ~ Iff ,IP 

- I 

- ('/"1 I 71 

- - '7l I 79.. 

- I 4-'fJ 7e, 

- '{OJ 7'1 

- - 'f'b >ro 

- - '1"3 ~c> 

-- - 'fc, r;" 

. ' ' . 

Moisture Recovery Data' 

Imoinaer I 1 2 I 3 

Final wt.. a /1 l? {(} r., I , 

v 

Initial wt., a 100 100 I 0 

Difference I ~ t I 2 

I 

i 

I 

I 

I 

I 

~~+ C;P,O ~ lOr( ~ 

(err- k)+- cJ.c> Q 7 '11~ 

Meter 

Outlet I 

7 '7' 

'7 ~J 

""1 0:-

7£" 

7(/ 

1-'2"1 

?''f 

7';1 

7'7 

"'J_'-L 'I> 

7'::-

im-=7:l. 7:; 

4 

Oxygen 

Content, 

% 

Desiccant 

/0" 'i 

(,;,,; 7 

/(. 

I 

il 

I 

( 

l 

( I ,;) 

10. 

til 

L 1/'6 

!( 69 

I 

il 

I 

I 

( 

I 

I;:; 

0; 

10 

"7 

0') 

II 

Total 

);' 

EPA METHOD 4 

FIELD DATA SHEET 

Project A ..r<:"L (0 f i""'~+:L I eM ~ SM __ P__ a :i:I>~ Sample Train Leak Rate (cfm) 

Sample Location -hj r,,"I.-CI;: A ,14.. Ie.. Meteri' ! 007'1 Bar. Press.'? ~~in Hg Pretest o~ at 15 in Hg 

Date 3-3/- 0 / Test-L Run_I__ OrificetlH@f,(!fi'Z'iPosttestiY /UOatSlnHg 

Operators ""'ILl.;?;;) t.. Eff. Probe Length __ ft Liner Type:O Glass$-S.S.O Other ____ _ 

RUN 1 

Sample Sample Meter Orifice Sample Sample Train Temperatures, 'F Oxygen 

Point Time Reading Pressure, Vacuum, Probe Filter Impinger Meter I Iv'leter Content. .11 Vm, Cu.Ft L'lH in H2O in Hg Outlet Inlet Outlet % 

I (lDoC, ) ( 33'1.11) < . , 

1 5 J;:;~,"?.) / , ;, • .:> -- <,I", '7 "'$ 7 '-I /1,1 

2 10 3, t.f2... 'VI.. " '1 ;"';> ..... - _I/~ .., ... "7 ~ 

3 15 )'1L, ,." I, "+- J. > - ~ '-I.cg, 777 73 

4 20 7 '('1'" \0 (. -:r- 1,-" ,.. - <./q ,s- 73 

5 25 ~>-~,"I'\ '(. 1 J . .:> - i.{'tj1 7c' 7) 

6 30 {.1 p_ r; '1(,- '71 '1 '1 

7 35 I, ~ ';.'" I - - Vc.- 7 ~ ,/'-1 

8 40 .>1.. '1,.-r 1 ") j,> I '- - "IS 7~ --;{ 

9 45 k--~ ;)' /, ? 3, ,\ I -- - "()- ':?Ie:> '7 "/ 

10 50 Yll g')- f ,1 2.~ 47 '2!", 75 

11 55 ( . :r= / .--:; 1 ;:;, I - - '-(J vo I }s:-

12 60 ''''-1-'1,1< /.1 ;" v - - '1 "/ y~ 7.t; 

I 

( l I () t7 ) 

I I 

0''-.CvU Vm=('{5.lq5R= \".-:--1 " TmS75;.i.fL , 

Integrated Gas Sampling Data: Moisture Recovery Data' 

Box No. ;4 Leak Rate, cc/min }.;:....4t-' ___ at 15 in Hg 

Bag No.} 02 Reading -+:/,-__ Bag Vol. V!/ 02 Analyzer No. _tV __ _ 

Impinger 1 I 2 3 I 4 J Desiccant 

Final 'Nt., 9 ( "Z.. "Z- ((.)(/ .::> I I /J I, 

,Initial "vt., 9 100 100 0 I I I'i!;;' 

I 

I 

l) 

(I~ 

II I 

f I 

J I Z. 

(lu 

III 

I/O 

1/ () 

If ~ 

II i) 

to"; 

Total I 

I 

Difference ! 

, ~'- I> - !) I I tf I :$1 -I 

Sample Sample Meter I OrifiCe Sample I 

Point Time Reading Pressure, Vacuum, 1 

6T Vm, Cu.Ft .:iH in H2O in Hg , 

U1%'" ) (~I , 1 5 I I. 1- I Y I 

2 10 '2.'tX8z...1 I,', '-/ I 

3 15 I /, '?-- '-I I 

4 20 3>7'(?, I I I, f "-; I 

I 5 25 1'2....;~ .i?::. ~ "'I / • 1-. I 

I 6 30 4"o;,~ ~-.'i'" "/; 1.- ! ..; I 

i 7 I 35 UD7'b (,1 w- I 

I 8 40 1.[/'. to) , 7 <.j I 

9 45 4/<.'."t1-- i. i '-f I 

10 50 u., t>. '60 /. I '--{ I 

11 55 '.0.1 .r,5" /. ]- '-/ I 

12 60 <I 1 (P.(j;) / ' "1- ?{ I 

I 

(l':! I U ) I 

I 

0'= (".0 Vm= t{5. 7 5R=/. I , .... I 

Integrated Gas Sampling Data: 

Box No. )A Leak Rate, cclmin ...:;>_ .,...4 __ at 15 in Hg 

Bag No. I 02 Reading -,-",.1 __ Bag Vol. J- 02 Analyzer No. \,:; --"---

RUN 2 

Sample Train Temperatures, OF 

Probe I Filter Impinger Meter I Outlet Inlet , 

- - '17 7 V 

-. - S"" I 7'f - -- ",,'3, "'ttr ..... <./0 , u '1~-

I ~ Y'f ,IP 

- I 

- ('/"1 I 71 

- - '7l I 79.. 

- I 4-'fJ 7e, 

- '{OJ 7'1 

- - 'f'b >ro 

- - '1"3 ~c> 

-- - 'fc, r;" 

" .-

Moisture Recovery Data' 

Imoinaer I 1 2 I 3 

Final wI.. a /1 l? {(} r., I , 

v 

Initial wI., a 100 100 I 0 

Difference I ~ t I 2 

I 

i 

, 

I 

I 

I 

~~+ C;P,O ~ lOr( H-5 

(err- k)+- cJ.c> Q 7 '11~ 

I Oxygen 

Meter ! Content, 

Outlet I % 

7 '7' 

'7 ~J 

~ 0:-

7< 

7(/ 

1-'2"1 

?''f 

7';1 

7'7 

., '-I 

I> 

7'::-

im-=7:l. 7:; 

4 Desiccant 

/0" 'i 

(,;,,; 7 

/(. 

I 

il 

I 

( I ,;) 

( 10. 

l 1 il 

!I /"6 

!( 69 

I 

/ 

I 

I 

( 

I 

I;:; 

0; 

10 

"7 

0') 

II 

Total 

);' 
:.::~ 

EPA METHOD 4 

FIELD DATA SHEET ,..-

1/ -Z-/' S'::> Project Arc Co /0 (' - vz,. ,'l-n eM ¥:> SM _-__ P_-_ Sample Train Leak Rate (cfm) 

Sample Location z;:; < '1.<-« ~ oS I fTL JC. .6.-- Meter y /., co 7 ") Bar. Press~ in Hg Pretest at 15 in Hg 

Date ~ Test _1 __ Run __ .)__ Orifice ,:;H@ I" 10'1 z. '1' Posttest at ;in Hg 

Operators ~(c.1 01", Eff. Probe.Length_;_ft liner Type: DGlass~.S. DOther ____ _ 

'1/1/0 1 RUN 3 

Sample Sample Meter Orifice Sample Sample Train Temperatures, 'F Oxygen 

Point Time Reading Pressure, Vacuum. Probe Filter Impinger Meter Meter Content, Lli Vm, CU.Ft ~inH20 in Hg Outlet Inlet Outlet % 

. (/ J. <.(:> ) ('-IS.:>. Cp lj.. '. 

1 5 :..(5"1, ') '" ;. ! ...., v z,.'S'"l;> z.~ -Iz.. 7' y .., .:,- f "'J. I 1 

2 10 4~lV-' .1 ? ~ l.~7; .:...s "7 U} I ., S /'/' 

3 15 ¥(;!, ~"I J <1 -..-, :" , C? 7-7't' z:;~ r..j:'" I '7 "'" i:..f 

4 20 '{i.::..5. ~ /, I ~r~ '7 ""'" 'L)J '/-:r I 'l, 7::; 

5 25 'fie'l'.~7 i.1 3·') 7-"'" Z..j;~7 '-/"/ I I ;7 ! ';;I 

6 30 / .7 3·;- 2-.>.r- U;)''1 :;,~<""'--I '8-",) -:;-.> - 7 35 'f7b. 0'-1 1'1 1. ~_' 2-<>-" z,.£<S .:>'"C I V( "ib 

8 40 '-(O;( , a I "') 'J • .J Z..s-- "2,;;,,,, ::? '7 I ;(2 7 ':., 

9 45 ::;~f' b"r it I ~) .::;- '7 ../',- . .., - 755 l";:> i 1 ~7 I) 

10 50 '( t; '6- "i'f }If 1 -"? ~- 2S:;" 7 "7,'- ,;-s- ~"1 '~'7 

11 55 i..{Cj-;! .;'i i. '7 ,~ ,~ 

.,:, 7.;",s- .JS"3 0'3 </'1 ?9 

12 60 '-lUI; I f 'f /' '1 - ...- 25'1 '2-",,-,.. :,;, 'Ji.. v;;- L./ "2 /~ -; i·· - 1 

U)'-1b )1 1 I 

I I I 

0"- /.? \) jVm-c,:$",.;1. SR-I ... rlm=/7'~ '. .' 

Integrated Gas Sampling Data: 

Box No. 3 A Leak Rate, cc/min 

Bag No. i 02 Reading 

Bag Vol. I 02 Analyzer No. 

Moisture R"'covolV Data' - - Impinger I 1 I 2 3 4 I DeSiccant 1 

Final wt .. 9 f<,{1" 1"'l-!,g 0 Iii '3 "I 

Initialwt., 9 100 100 0 I L J Z1 

-,-1....,.4:.-__ at 15 in Hg 

• Difference l1\g 1 (, 0 ! t$' 

RUN4 

Sample Sample I Meter Orifice Sample I Sample I rain Temperatures, 'F O)"'Ygen I Point Time Reading Pressure, Vacuum, I Probe I Filter Impinger Ivleter I ivleter Content. I 

~T Vm, Cu.Ft ~H in H~O in Hg I Outlet !nlet Outlet %: I 

, I 

, I , , ) ( ) I i i I '.' , ! i I , , I • ! I 

1 5 I I I .1 

2 10 I I I I 

3 15 I I I 

4 20 I I ! 

I 5 25 I I ! 

I 6 30 I I 1 I . 

! 

7 35 I ! ! ! ! 

8 40 I i 9 45 I 

10 50 I I 

11 55 I I 

12 60 I 

( ) 

0= IVm= iSH"- . -." ' . Tm= , 

Integrated Gas Sampling Data: Moisture Recovery Data' 

Box No. Leak Rate, cc/min ____ at 15 in Hg Impinger 1 2 3 4 Desiccant 

Bag No. 02 Reading Final wt, a 

Bag Vol. 02 Analyzer No. Initial wt., 9 100 100 0 

Difference 

, 

ttl 

\ I ) 

( i 

Ilf 

i) '-

, 

J 

! 

i I 

In 

-t--::?l/} Ti,:... 

iiI 

! . 

1 /I 

• ''l.. 

Total 

'27 

Total 

:.::~ 

EPA METHOD 4 

FIELD DATA SHEET ,..-

1/ -Z-/' S'::> Project Arc Co /0 (' - vz,. ,'l-n eM ¥:> SM _-__ P_-_ Sample Train Leak Rate (cfm) 

Sample Location z;:; < '1.<-« ~ oS I fTL JC. .6.-- Meter y /., co 7 ") Bar. Press~ in Hg Pretest at 15 in Hg 

Date ~ Test _1 __ Run __ .)__ Orifice ,:;H@ I" 10'1 z. '1' Posttest at ;in Hg 

Operators ~(c.1 01", Eff. Probe.Length_;_ft liner Type: DGlass~.S. DOther ____ _ 

'1/1/0 1 RUN 3 

Sample Sample Meter Orifice Sample Sample Train Temperatures, 'F Oxygen 

Point Time Reading Pressure, Vacuum. Probe Filter Impinger Meter Meter Content, Lli Vm, CU.Ft ~inH20 in Hg Outlet Inlet Outlet % 

. (/ J. <.(:> ) ('-IS.:>. Cp lj.. ., 

1 5 '-i5"'1. ji,., ;. ! ...., v z...S-l;> z.~ -Iz.. 7' y .., :,- f "'J. I 1 

2 10 4~lV-' [.1 ? ~ 1.~7; .:...s "7 U) I ., S /'/' 

3 15 if!;!, ~"I J <1 -..-, :" , C? 7-7't' z:;~ '-I:'" I I,,,, i:..f 

4 20 '{i.::..5. ~ /, I ~r~ 7">L '1..)'7 '/-:r I 'l, 7::; 

5 25 l'fie'r.~7 i.1 3·') -z..'{') Z..j;~7 '-/"/ I I ;7 ! ;, 

6 30 / .7 3·;- 2-.>.r- U;)''1 :;,~<""'--I '8-.) -:;-.> - 7 35 '(710.. O'L 1'1 1. ~_ 2-<>-" z,.£<S .:>'1: I V( "ib 

8 40 "'.12' ( . a I "1 y . .:) Z..s-- "2.;;'", ::? '7 I ;(2 7 ':.. 

9 45 ::;~f' b"r it I ~) .::;- '7 ./',- . .., - 755 L-? i I ~7 I) 

10 50 .'( t; '6- "i'f }If I -? ~- 2S:;" 7 "'"7,,,- ,;-s- ~"1 '~'7 

11 55 i..{Cj-;! .;'i i. '7 ,~ .~ 

,.:, 7,;,s- .JS"3 0'3 </'1 19 

12 60 '-lUI; I f 'f /' '1 - ...- 25'1 t..",,,, :,;, 'Ji.. v;;- L./ "2 /~ -; i·· . , - I ([)'-1~ )1 I 

I 

0'- /.? \) jVm-Ii $',.;1. SR-I ... /'lm=/7'~ '. .' 

Integrated Gas Sampling Data: 

Box No. 3 A Leak Rate, cc/min 

Bag No, i 02 Reading 

Bag Vol. I 02 Analyzer No. 

Moisture R"'covolV Data' - - Impinger I 1 I 2 3 4 I DeSiccant I 

Final wt .. 9 f<,{1" 1"'l-!,g 0 Iii '3 "I 

Initialwt., 9 100 100 0 I L J Z1 

..-C..1"".4C-.. __ at 15 in Hg 

• Difference l1\g 1 (, 0 ! t$' 

RUN4 

Sample Sample I Meter Orifice Sample I Sample I rain Temperatures, 'F O)''Ygen I Point Time Reading Pressure, Vacuum, I Probe I Filter Impinger Ivleter I ivleter Content. I 

~T Vm, Cu.Ft ~H in H~O in Hg I Outlet !nlet Outlet %: I 

, I 

, I , , ) ( ) I i i I ',' I ! i I , , I • ! I 

1 5 I I I I .1 

2 10 I I I I 

3 15 I I I 

4 20 I I I ! 

I 5 25 I I I ! 

I 6 30 I I I I . 

! 

7 35 I ! ! ! ! 

8 40 i 9 45 I 

10 50 I 

11 55 I I 

12 60 I 

( ) 

0= IVm= ISH'- '," Tm= 

Integrated Gas Sampling Data: Moisture Recovery Data' 

Box No. Leak Rate, cc/min ____ at 15 in Hg Impinger 1 2 3 4 Desiccant 

Bag No. 02 Reading Final wt, a 

Bag Vol. 02 Analyzer No. Initial wt., 9 100 100 0 

Difference 

, 

ttl 

\ I ) 

( i 

fir 

i) '-

, 

J 

! 

i I 

In 

-t--::?l/} Ti,:... 

iiI 

! . 

1 /I 

• ''l.. 

Total 

'27 

Total 
ArcelorMittal 

Minorca Mine 

Virginia, MN 

RUN 1 (1015-1115) 

Meter Stack 

Temp. 

3/31/09 

RE::iUL TS OF STACK MOISTURE DETERMINATIONS 

Furnace Slack A 

Test Date: 3/31- 4/1/2009 

RUN 2 (1210·.1310) 3/31/09 

Volume Temp. Inlot Outlet VolUlne i\H, Temp. Temp. Inlet Outlet Volume I\H. 

Vm, W 

Orifice 

I\H, 

in H20 

Impinger Meter Meier Meto7 orifiC~ Stack Impinger I Motor Meter Motor Orifico 

Ts, of ("F) (OF) ("F) Vm, It"' in H20 Ts, of (OF) (OF) (oF) vm, 1l in H20 

Barr Engineering Co. 

April 28, 2009 

4/1/2009 

I 334.70 T 380.90~· --, 

1.7 112 45 73 ~-~'-r--n 110 47 74 74 1.7 111 42 74 75 

___ 1-\?---111=~~_~9 -= __ 7~=~~:=::-73-~--:-_- =:':::~_~~=~~~_J:-i=:'::=_1To~~_==_-_~o-=,:, __ 74== 74 1.7 111 43 -: 7~---= __ i4--

1.7 111 48 73 73 1.7 110 48 74 75 1.7 111 44 76 74 

I ___ I __ ~. __ ... ~_i§---~ :===j}~==: _~l~-~= :_=Jf=:-: ===~_~ :~--:-ff=~ =~:~_~~~~ ~~-~~~= =~ __ ~~~=:- ~=-:It= = ____ ~= --:-- ~ :~_= =~T[= ~;== =-_=i= __ ~~ __ 1.7 111 46 77 74 1.7 109 49 77 74 1.7 111 52 80 75 

I~-J lk-~r-=r-i .-~=g- --~~- =H= -l!!-~ ~=f -.--~i-- ~tr~~~: ·-·tt= ~=l~- ~r ~-~i- :... -l!-

--------u- ---110- --4-3 -' -80-----75---------------1'.7--- --109-----48-- -80------75---- -----u---f-11---6-3--- --84--- --77~ 

~80I-u- --109- -44----80----75- ~6.40- --1.7--- ---fiT- ·--49-------"80-- -75-- 496.14" ---1':7-- --11-2 ----63- ~-84 78 

Total Average Average /-'werage Average T~;I Average A';erage Average Average Total Average Average Average Average 

Meter Orifice Stack Impinger Meter Meter Orifice Stack Impinger Meter Meter Orifice Stack Impinger Meter 

Volume I\H, Temp. Temp. Temp. Volume i\H, Temp. Temp. Temp. Volume i\H, Temp. Temp. Temp. 

Vm, It" (OF) Vm, fr' in H (0J:"\ {0r-\ Vm, II" 20 ("F) 

I-"';';;';";';;'--I.-';';';";;"'-""'''''''';'';';'--=,J--';';;''~J..! __ --..;7..;;5.;.,.4~6;~ 45.50 1.7 ':-1.,.,10:!-+---'--:-:::'--l----::2:::~---l·r rn I 

in H2O (OF) (OF) ("F) 

'10 (O.(V LtO.OL 1.7 111 54 77.71 

in H2O ("F) (OF) 

45.10 1.70 111 LlR 

MOiSture Kecovery uata: Moisture Recovery Data: Moisture Recovery Data: 

Impinqer 1 2 

Final 

Initial 

Dill. 

122 100 

100 100 

22 0 

Standard Meter Volume 

42.58 

Barometric Pressure (in Hg) 

Meter Coefficient 

3 Desiccant Total 

0 1072 

1063 

0 9 3'\ 

Moisture Content (%V/II) 

3.31 

28.30 I 

1.0079 

Impinger 1 2 

Final 118 106 1riiUaI- 100 100 

Difl. 18 6 

Standard Meter Volu;ne 

42.94 

BarometrlcPressure (in_H~if 

Meter Coefficient 

3 Desiccant Total 

2 1069 

0 1057 

2 12 38 

Moisture Content (%v/v) 

4.00 

28.30 I 

10079 ~'r'" --'--, 

Impinger 1 2 

Final 

Initial 

Difl. 

146 126 

100 100 

46 26 

Standard Meter Volume 

42.12 

Barometric Pressure (in Hg) 

Meter Coefficient 

3 Desiccant I Tota 

0 1134 

0 1119 

0 15 I 87 

Moisture Content (%v/v) 

8.86 

27.85 I 

1.0079 

ArcelorMittal 

Minorca Mine 

Virginia, MN 

RUN 1 (1015-1115) 

Meter 

Volume 

Vm, W 

Total 

Meter 

Volume 

Vm, fl" 

45.10 

Average Average 

Orifice Stack 

i\H, Temp. 

in H2O ("F) 

1.70 111 

3/31/09 

Average Average 

Impinger Meter 

Temp. Temp. 

(OF) (OF) 

46 75.46 

Moisture Recovery Data: 

Impin»er 2 3 Desiccant Total 

Final 122 100 0 1072 

Initial 100 100 1063 

Dill. 22 0 0 9 3'1 

Standard Meter Volume Moisture Content (%v/v) 

42.58 3.31 

Barometric Pressure (in Hg) 28.30 I 

Meter Coefficient 1.0079 

RE::iUL TS OF STACK MOISTURE DETERMINATIONS 

T~;I 

Meter 

Volume 

Vm, rr' 

45.50 

Furnace Slack A 

Test Date: 3/31- 4/1/2009 

RUN 2 (1210·.1310) 

Average Average Average 

Orifice Stack Impinger 

i\H, Temp. Temp. 

in H2O ("F) (OF) 

1.7 110 48 

Moisture Recovery Data: 

3/31/09 

Average 

Meter 

Temp. 

(OF) 

75.75 

Impinger 2 3 Desiccant Total 

£!g§L- 118 106 2 1069 

Initial 100 100 0 1057 

Dill. 18 6 2 12 38 

Sta'ndard Meter Volu;ne Moisture Content (%v/v) 

42.94 4.00 

Barometric Pressure (in H~I) 28.30 I 

Meter Coefficient 1.0079 --.,"---... 

Total 

Meter 

Volume 

Vm, II" 

45.52 

RUN 3 (1245-1345) 

Orifice 

I\H, 

in H20 

Average 

Orifice 

i\H, 

in H2O 

1.7 

Stack 

Temp. 

Ts, OF 

Average 

Stack 

Temp. 

(OF) 

111 

Impinger 

Temp. 

(OF) 

Average 

Impinger 

Temp. 

(OF) 

54 

Barr Engineering Co. 

April 28, 2009 

4/1/2009 

Meter 

Inlet 

("F) 

Meter 

Outlet 

("F) 

Average 

Meter 

Temp. 

("F) 

77.71 

Moisture Recovery Data: 

Impinger 1 2 3 Desiccant Total 

Final 146 126 0 1134 

Initial 100 100 0 1119 

Dill. 46 26 0 15 87 

Standard Meter Volume Moisture Content (%v/v) 

42.12 8.86 

Barometric Pressure (in Hg) 27.85 I 

Meter Coefficient 1.0079 
ArcelorMittal 

Minorca Mine 

Virginia, MN 

RUN 2A 1350-1420 

Meter Orifice Stack 

Volume L'lH, Temp. 

Vm, fr' in H2O (OF) 

427.40 

1.7 111 ---_. --.-- --109- 1.7 --- --.--~--- --110- 1.7 

450.00 1.7 110 

Total Average Average 

Meter Orifice Stack 

Volume L'lH, Temp. 

Vm, n" in H2O (F) 

22.60 1.7 110 

3/31/09 

Impinger Meter Meter 

Temp. Inlet Outlet 

(OF) (OF) 

67 76 75 

---6-3-- ------ ~-.--.--

78 75 -55---- --81---- .-.~---.---

76 

54 82 77 

Average Average 

Impinger Meter 

Temp. Temp. 

(OF) (OF) 

60 77.50 -- Impinger 1 

Moisture Recovery Data:. ."...... 

2 3 DOSiccant Total 

Final 128 110 1042 

Initial 100 100 o 1033 

Diff. 28 10 o 9 47 . -- Standard Meter Volume Moisture Content (%v/v) 

21.26 

Barometric Pressure (in Hg) 28.30 

Meter Coefficient 1.0079 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x ((Pbar +(L\H/13.6»/Tmr) 

Average Moisture Content of Stack Gas 

Me = «.04707 x Vwc)/«.04707 x Vwc) + (Vmstd» x 100 

9.43 

.-

RESULTS OF STACK MOISTURE DETERMINATIONS 

Furnace Stack A 

Test Date: 3/31- 4/1/2009 

''''''''''--- HUN 5 (0000-0000) 

Met~-;:- - Orifice Stack Impinger Meter Meter 

Volurne L'I\-I, Temp. Temp. Inlet Outlet 

Vm, fr' in \-120 (OF) (OF) (OF) _. -

. - -_ ... _------- ---_._._- -_._----- ---.. -------------

---.. - ------ ---.- -------- ----.. ---... - -_ .. _-_._- --~----

- Total Average Average Average Average 

Meter Orifice Stack Impinger Meter 

Volurne L'lH, Temp. Temp. Temp. 

Vm, fl" in H2O (OF) (OF) (OF) 

0.00 IIDIVIOI IIDIV/O! ItDIVIO! /lDIV/O! 

Moisture Recovery Data: 

Impi'~' 3 Desiccant Total 

Final 

Initial -

DlfL -- 0 a 0 0 a -~1;t;;;-dard Meter Volume Moisture Content (%v/v) 

IIDIV/O! 

Barometric Pressure (in Hq) 28.30 

Meter Coefficient 1.0079 ~,~",,=~-----

Vm 

Y 

Pbar 

L'lH 

MEter Volume 

Meter Coefficient 

Barametric Pressure 

Orifice delta H 

tlDIV/o! 

Tmr 

Vmstd 

MC 

Vwc 

Barr Engineering Co. 

April 28, 2009 

RUN 6 (0000-0000) 

Meter Orifice Stack Impinger Meter Meter 

Volume L'I\-I, Temp. Temp. Inlet Outlet 

Vm, no in H2O ("F) (OF) (OF) 

--.-- ----- --._._ .. .. _-._-- -----. 

-----------

Total Average Average Average Average 

Meter Orifice Stack Impinger Meter 

Volume L'lH, Temp. Temp. Temp. 

Vm, ft" in H2O (OF) (OF) (OF) 

0.00 /lDIV/O! ItDIV/O! ItDIV/O! IIDIV/O! 

Moisture Recovery Data: 

Impinger 1 2 3 Dosiccnnt Total 

Final 

Initial 

Diff. a 0 0 a 0 

Standard Meter Volume Moisture Content (%v/v) 

IIDIV/O! IIDIV/O! 

Barometric Pressure (in H<:j) 28.30 I 

Meter Coefficient 1.0079 

Average Meter Temperature in Rankins (OF + 460) 

Meter Volume at Standard Conditions 

Moisture Content, % 

Moisture Recovered from impingers 

i 

: 

, 

, 

. 

. 

ArcelorMittal 

Minorca Mine 

Virginia, MN 

RUN 2A 1350-1420 

Meter Orifice Stack 

Volume L'lH, Temp. 

Vm, fr' in H2O (OF) 

427.40 

1.7 111 

3/31/09 

Impinger Meter Meter 

Temp. Inlet Outlet 

(OF) (OF) 

67 76 75 ---_. --.-- -109- _._---- ------ -_. _ .. _-

1.7 63 78 75 --- --.--~--- ----_. ---------- -. -81---- .-.~---.---

1.7 110 55 76 

450.00 1.7 110 54 82 77 

Total Average Average Average Average 

Meter Orifice Stack Impinger Meter 

Volume L'l1-I, Temp. Temp. Temp. 

Vm, n" in 1-1 2 0 (F) (OF) (OF) 

22.60 1.7 110 60 77.50 

Moisture Recovery Data: -- Impinqer 1 2 3 Desiccant Total 

Final 128 110 1042 

Initial 100 100 0 1033 

Diff. 28 10 0 9 47 . -- Standard Meter Volume Moisture Content (%v/v) 

21.26 

Barometric PressureJin I-Iq) 28.30 I 

Meter Coefficient 1.0079 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x ((Pbar +(L\H/13.6»/Tmr) 

Average Moisture Content of Stack Gas 

Me = ((.04707 x Vwc)/((.04707 x Vwc) + (Vmstd» x 100 

9.43 

.-

RESULTS OF STACK MOISTURE DETERMINATIONS 

Furnace Stack A 

Test Date: 3/31- 4/1/2009 

''''''''''--- HUN 5 (0000-0000) 

Met~-;:- - Orifice Stack Impinger Meter Meter 

Volurne L'I\-I, Temp. Temp. Inlet Outlet 

Vm, fr' in \-120 (OF) (OF) (OF) _. -

. - -_ ... _------- _. -_._._- -_._----- ---.. -------------

---.. - ------ ---.- --_._--- ----.. ---... - -_ .. __ .. _- --~----

- Tolal Average Average Average Average 

Meter Orifice Stack Impinger Meter 

Volurne L'lH, Temp. Temp. Temp. 

Vm, fl" in H2O (OF) (OF) (OF) 

ItDIV/O! IIDIV/O! ItDIVIO! /lDIV/O! 1.-2~.o Moisture Recovery Dala: 

Im';C~2 3 Desiccant Total 

Final 

Initial -

DlfL -- 0 0 0 0 0 

-~1;t;;;-dard Meter Volume Moisture Content (%v/v) 

IIDIV/O! 

Barometric Pressure (in I-Iq) 28.30 

,~"" 

Meter Coefficient 1.0079 

Vm 

Y 

Pbar 

L'lH 

MEIer Volume 

Meter Coefficient 

Barametric Pressure 

Orifice delta H 

tlDIV/o! 

I 

Tmr 

Vmstd 

MC 

Vwc 

Barr Engineering Co. 

April 28, 2009 

RUN 6 (0000-0000) 

Meter Orifice Stack Impinger Meter Meter 

Volume L'I\-I, Temp. Temp. Inlet Outlet 

Vm, no in H2O ("F) (OF) (OF) 

--.-- ----- --._._ .. .. _-._-- -----. 

-----------

Total Average Average Average Average 

Meter Orifice Stack Impinger Meter 

Volume L'l1-I, Temp. Temp. Temp. 

Vm, ft" in H2O (OF) (OF) (OF) 

0.00 /lDIV/O! ItDIV/O! ItDIV/O! !lDIV/O! 

Moisture Recovery Data: 

Impinger 1 2 3 Dosiccnnt Total 

Final 

Initial 

Diff. 0 0 0 0 0 

Standard Meter Volume Moisture Content (%v/v) 

!lDIV/O! #DIV/O! 

Barometric Pressure (in I-Ig) 28.30 

Meter Coefficient 1.0079 

Average Meter Temperature in Rankins (OF + 460) 

Meter Volume at Standard Conditions 

Moisture Content, % 

Moisture Recovered from impingers 
ArcelorMittal 

Furnace Stack A 

Virginia, MN 

PortA 

~ -- -----

~-------

Port B 

-_. 

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

Max read % diff from avg 

Min read % diff from avg 

1 

2 

3 

4 

5 

6 

1 

2 

3 

4 

5 

6 

EPA Method 7E (3 Pt) 

Stratification test 

NOx 

114.5 

124.6 

124.1 

121.1 

124.6 

114.5 

3.6 

6.6 

2.94 

5.44 

If < 5 percent sample from mean point in stack 

If> 5 and < 10 pick 3 pOints 16.7, 50 in 83.7 

If.> 10 perform 12 points 60n each traverse ...... . 

Barr Engineering Co. 

August 27, 2010 

02 

19.66 

19.60 

19.63 

19.63 

19.66 

19.60 

0.0 

0.0 

0.16 

0.14 

ArcelorMittal 

Furnace Stack A 

Virginia, MN 

PortA 

~ -- -----

~-------

Port B 

-_. 

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

Max read % diff from avg 

Min read % diff from avg 

1 

2 

3 

4 

5 

6 

1 

2 

3 

4 

5 

6 

EPA Method 7E (3 Pt) 

Stratification test 

NOx 

114.5 

124.6 

124.1 

121.1 

124.6 

114.5 

3.6 

6.6 

2.94 

5.44 

If < 5 percent sample from mean point in stack 

If> 5 and < 10 pick 3 pOints 16.7, 50 in 83.7 

If.> 10 perform 12 points 60n each traverse ...... . 

Barr Engineering Co. 

August 27, 2010 

02 

19.66 

19.60 

19.63 

19.63 

19.66 

19.60 

0.0 

0.0 

0.16 

0.14 
i 

, 

I 

! 

I 

r 

I 

Project 

Sample Location r;:Jrr.//_"'-. <;~Lc i} 

Date Lt /1/ D q 

Operators /'?r i.e 

Duct Dimensions --..:1-,' 0.....;1'"'-· , ..!..7J:-c'" ___ inches 

Port Length Lt·· '2-Y inches 

Pitot Tube No. ).1 Cp D, y",( 

Bar. ID i:> IJ ~ ():J 1<-

T.C. ID t:? ~:..; 

Manometer ID 0:1 -7-'--'--

Digital Therm ID C.'. ~ 

EPA METHOD 2 

FIELD DATA SHEET 

.' " 

Run 1 

Bar Press (In Hg) )7. ~5~ 

StaL Press (In H2O) - ~ .1 "L 

Temp - Dry Bulb OF 

Temp - Wet Bulb OF 

Moist Content - % 

°2% 

Time of Meas. i~i35 

Run 2 Run 3 Run4 

I 

-0,70 I-OI7. " D 

I 

I 

I 

I 

((Poul f7bt../ 

tl ,-,_0 0:>'2> 

Pitot Leak Check f"-Positive: (). <0> Negative: (-::> . -.) 

r--> e>.J c .., - Traverse Point Information Cyclonic Velocity Head - Inches H2O Stack Temperature - OF 

Point Inches From: Flow Run 1 Run 2 Run 3 Run 4 Run 1 Run 2 Run 3 

Number Wall Port LO LiP LiP LiP LiP Temp. Temp. Temp. 

1'\ 

/7 I I " (7 I '7,-/ ~'70 ()), 77 v 

'- ~ / O,~ [J,71 (!), a:> 

) U ,\ 1?,1 t/ ~ o· 71 6. cro 

't ') b .11- o. 7'1 O.Y\ 

.- j v. ?iV ()·752-io.?5.3 -.., I 

.& 7 () ('I) OJ rocr 10 1 7:} I 

r5 I "2- tJ ,Gq D~~7 o,C/I I .., 0 Co (u o . <P 7 I c) , G_'f I '1 I J :;,7/ (),'72- ",) I 

''/ 5 ,<'. /0'7 c,/" /) '-""" 02'1 (J.71 I I I <./ I -- 0,71-( ..J & I I ~/) 0.7>7 .... f ,'j 

07 I ~ vli3 I 0 V"7 I 0 v-Z I l/ ,1_ (,r;; 

I I i I I I 

I I I I i I i I 

I I I 

I I I 

I i I i I , , i 0 

I j I ! I I I 0 

! 0 0 

I ! I I I 

I I I I ; ! I 

I I 

I I I I 

i I 

I I I 

I I I I I i I I I , 

I I 

I I I 

I 

Run 1 Run 2 Run 3 Run4 

Stack Pres. - In Hg I 

Duct Area - Sq FL 

Mole Weight - Md 

Mole Weicht - Ms I I 

Ava. Temp. - OF I Average~ 

Gas Vel - FtlSec 

ACFM 

SCFM 

DSCFM 

Schematic of Duct Cross-Section 

Run 4 

Temp. 

I 

! 

, 

I 

I 

i 

, 

I 

! 

I 

r 

I 

Project 

Sample Location r;:Jrr,//_"'-. <;~Lc i} 

Date Lt /1/ D q 

Operators /'?r i.e 

Duct Dimensions --..:1.....:' v.....:{,",-, ..!.:7J:-c'" ___ inches 

Port Length Lt'· '2-Y inches 

Pitot Tube No, ).1 Cp D, y",( 

Bar. ID i:> IJ ~ ():J 1<-

T,C. ID t:? ~:..; 

Manometer ID 0:1 -::-'--'---

Digital Therm ID C.'. ~ 

EPA METHOD 2 

FIELD DATA SHEET 

.' " 

Run 1 

Bar Press (In Hp) )7. ~5~ 

StaL Press (In H2O) - ~ .1 "L 

Temp - Dry Bulb OF 

Temp - Wet Bulb OF 

Moist Content - % 

°2% 

Time of Meas. i~i35 

Run 2 Run 3 Run4 

I 

-0,70 1-011 " D 

I 

I 

I 

I 

((Poul i7bt..j 

tl ,-,_0 0:>'2> 

Pitot Leak Check f"-Positive: (). <0> Negative: (-::> . -.) 

r--> e>.J c .., - Traverse Point Information Cyclonic Velocity Head - Inches H2O Stack Temperature - OF 

Point Inches From: Flow Run 1 Run 2 Run 3 Run 4 Run 1 Run 2 Run 3 

Number Wall Port LO LiP LiP LiP LiP Temp, Temp. Temp. 

1'\ 

/7 I I " fJ I '7,-/ &'70 (}), 77 v 

'- ~ /' O.~ [J,71 (!), a:> 

) U ,\ 1?,1 t/ ~ o· 77 6. cro 

't ') b .11- o. 77 O.Y\ 

.- j v. ?iV ()·752-io.?5.3 -.., I 

.& 7 () ('I) OJ rocr 16> 1 7:} I 

r5 I "2- tJ ,Gq D~~7 o,C/I I .., 0 Co {u C)·6:>71c:>·G'I I '1 

J I :;,7/ (),'72- D·, ) I 

''/ 5 '<'. /0'7 c,/" /) '-""" 02'1 (J.71 I I I <./ I -- 0,71-( ..J & I I ~/) 0.7>7 .... f ,'j 

07 I ~ vli3 I 0 V"7 I 0 v-Z I l/ ,1_ (,r) 

I I i I I I 

I I I I i I i I 

I I I 

I I I 

I i I i I , , i 0 

I j I ! I I I 0 

! 0 0 

I ! I I I 

I I I I ; ! I 

I I 

I I I I 

I I I 

I I i I I I I i I I I , 

I I 

I I I 

I 

, Run 1 Run 2 Run 3 Run4 

Stack Pres. - In Hg I 

Duct Area - Sq FL 

Mole Weipht - Md 

Mole Weicht - Ms I I 

Ava, Temp. - OF I Average~ 

Gas Vel - FtlSec 

ACFM 

SCFM 

DSCFM 

Schematic of Duct Cross-Section 

Run 4 

Temp, 

I 

! 

, 

I 

I 
Nfl. 

Project YVt 

Smpl Lac (,Jr_,,( Cr- 5\7<.t 5\7<.,:.-... ,f- fJ. Test No. --- Date :'--1- o'{ 

Operator Tf'r/L/ f!2J' iJI~ I~, CM (0 

Sample Sample Meter Velocity Orifice Train 

Point Time Volume ,\P, AH, Vacuum 

I\T VITl, It" in H,O inH,O in. Hg 

t{1&,t 5 5,'0, ') - /·1 .,'$, 5~ 

10 ;,-U'/.1,:r - {1 }'j~ 

15 '2~' 7, '72.. ,- f " ''''l, ,-

20 ~i/(, r - I ' '1 ;. '5 25 :-;;/,). (p - f. '7 ';),'f 

- ('7 3 .. 30 - ''.7 

35 ':i )3, 1ip - 1,1 '2 2-

40 f4'O(' /.1 ~J' ;-

/,'1 }.:;- 45 :>J.(. ( - }'Y/,7( f.. 7' . .., ~ 

50 - .. // .. ,J 

55 5'"3 ,,,z, 4'L. .- L,l J " ~,. .-

Runs 1,2 

Pitot No. 

3M ----

TEST RUN'1 

Meter l' lc.Jo.i PI i\H @ -y:r;1f'Z( 

cp ___ _ 

1'---

' , 

EPA METHOO'\ 4 

FIELD DATA SHEET 

"Y_'it ~?I':''' . Bar. Presc..-.((rJ!Jj~ III Hg 

Stat. Pres in 1'1,0 

Probe Lngth __ . }__ II 

Liner Type: 1l;lGlass OS,S, OOther 

Stnd( '''-'-----''-r-:-: Sam ]Ie Train Temp, OF Meter Meter Meter Velocity Orifice 

Temp linpngr Inlet Outlet Volume AI', AH, 

Ts, OF Pralle Filter Outlet Temp, of Temp, "F VIll, It" inH,O in H,O 

--f---....,.-- -- S't{~.l 1/5- ~ti>- 7_5::1_ "3 .,> '7 <1 Z& - I, 'I , \) 

[L1_ J~ z ,;,,--) -31 '1.(-0 7":, p::'iJ·'ti' ...... \.1 

II ~ 7,,5-& "'Z,j,Y- -.:i..,J ~,t: 78 S5Y.:> - I., 

Ii '-I 'l ",:y 7.<:> I_I /,,{L ~2 "7'1 ;,S!5 l-L (. 7 

I ( 'I i-5.'>' Z.5't 't c/ 15 f

t -.7~ ~GZ'L - if '1. 

(( '/ l)), 2.:~il -- "/ (,- i:,5~ 77 G'lo6.6 - /- -, - 1 f '-I Zn: 7;:)' L{l /-c? .... 1)2> $(01'.c" (7 

~ /o') <::'.53;:- LS..; .. -· ,..JU Ft;;. P'O S7},S (, 7 

./LX~ 2:;"';1' <~ 57?3 ,:{f- .,.) I cl7 71. '", !,7 ---_.- .t () .. L:;··l,. ,:,;- """2' ,i;'7 yc: l>~1J,5 - f..- 7 II L/ 1)f 2 :,-;5'- ;>. ),- S 1 fir l O~.IfJ>$ - / . ., 

Train 

VaclllIIll 

in. Hg 

),~ 

.J ,:;''' 

~ ''>-

J.> 

'3.,) 

..>.s 

3.fi 

:J, -:.i 

J'J 

.J.D 

;J .", /' 

GO S'1l·Y~ - 1,1 'j / "7 -Lit.; ).~71" J')?L. ......21 7,~ ~;'\o 'if! )"8B,7b ~ ( ,1 J";'" 

IGS 

\0 ._-- ---- ,e 

8) .. - 8J -------' 91 

9J - -

HO ,---------- 1<5 - '--------- I 1 0 

==t",l 11, ,----

120 

vrnA;,~" -- Ci= AII=I· \ Ts=llt.{ Trn=~l' ~'t VI11~\p,tJ 

-------,-- Initialization Values T est Run Timos OHSAT System Snrnplc Tr"in COlllPOIlOllts 

Meter I Oxygen Moisture cc/min' I 02 

_~ COlllent Content 

Sample Train Leak Rate (cfm) 

Run 1 Run 2 

Pretest 0" ,J at 15 in Hg Pretest cJ J D at 15 in H~I 

PosHest t.;...·J nt ,/ 

,.;:> in 1'19 Posttest n,,,", at S- in Hg 

Pitot (3 in,) Pos.O Neg.O Pitot (3 in.) Pos,O Neg,!:] 

TEST RUN 2 

Stack Sam Ie Train Temp, "F Meter Meter 

Temp. ilnpngr Inlet Outlet 

Ts, OF Probe Filler Outlet Temp, "F Temp, of 

!I::1 J.5"5 :J-5 <0 i. L" if" ..1.1-

~2t- .c.r-c; l-<S-:J -. ~ \'>2.- 71 

z-s3 V"".s- v.;. -- ~'r 2-<7 

(/? z:~ Z..).s;- y ~ ~ 

Lt.. t L':>S ZS-3 5""= h;, ~ 

1(05 2> ~ 2....r7 J'<- 8\;. n:l 

/1 '?::, z.,:;;y 2;-:; I 03 8'TC. ~ 

( ( 2... t...5's 'Zsy S'3 ¥7 y/ 

113 2..s./ '2..J.- 'Z,. J-y '/;>7 ..50 __ { (y 2..53-' 'Z...J,-b o~ S-~ r-:i~ .- t(::, Z.s s- 'Zf:;- "6-, YCo 'i:..t 

Ur:L 1,..1.5' z..~ /)/ ~ g-Z 

. 

• 

T5= Illj --, .. __ . Trn=llU\2 

Air Flows Nozzle Calibration 

Tech, Date 

ACFM DSCFM Nozzle No, 

1 I"" /~ 

Start .:illlC I :r~ lime ~~~~ Bng No. long. '.VOI I at 1.G __ il.' H[1 =~,;,ml.ing I Filler No. I Nonie N~cl Nozzle On 

1,) I IfI:f!',,~ (,)!D ->/I...::::===:. "' ____ .. ". 

( . i I -- 1/5' )". ( II' '} " ;};;...- _. -=--===1--1- -I--~ 11-__ --' ___ ..1-__ -1.. ___ 1..-__ ...1 

.Jj,j 

.'1 • ...- 2 ><' 

MOlsrURE RECOVERY; 

Imeinqcr 1 2 

Final wt" g .i-.kh., Ini1lal wI., 9 I():; ~i..' Difference (",L. 'l-l.-

RUN 1 

3 4 

";). =A\ i (;I 

'L 

Desiccant I Tolal 

10) 'i_ 

to l. 1:. 

-IZ:-l~ 

1 

It. '( 

{vi!> 

_f.".'{ 

3 1/ ........ HUN 2 Avg. in, " 2 3 4 Desiccant Total 

J I, i_ Z III S 1-

~ 

(&2> 

'2_ 1.- D 

l..-_'-- _ 

~ 

... /'1... /1:>'" I..-

Smpl Lac (Jr_,,( Cr- S\?<.t ... .f- Test No. ---- Date :'--1- o'{ 

Operator Tf'r/L/ f!2J'/:':', 

Sample Sample Meter Velocity Orifice Train 

Poinl Time Volume ,\P, I\H, Vacuum 

I\T VITl, It" in H,O in 1'1,0 in.Hg 

t{1&,t 

5,'0, ') /~ 1 .,'$, 5 ~ 

5 -

;,-U'/.1,:r - 1- f }'j ~ 

10 

t5 '2~' 7, '7'1.. ,- f " ''''l, ,-

20 ~i/(, r - I ' '1 ;. '5 25 :-;"I.). (p - { . '7 ';),'f 

- ('7 3 ".7 .. 30 - 35 ':i )3, 1ip - I ,1 '2 2-

40 f4,O(, I. 7 3,· ;-

45 :>}(, ( - ;. ? }.:;-

}'Y/,7/, 7' . .., ~ 

50 - f.. .. // ...; 

55 5'"3 ,,,z. 4'L. - L, 1 J " ~,. .-

Runs 1,2 

Pitot No. 

3M ----

TEST RUN'1 

Meter l' lc.yi PI i\H @ --y:r;1f'Z( 

cp ___ _ 

I' ----

EPA METHOO'\ 4 

FIELD DATA SHEET 

Bar. pres,-:r.~~ !l{ in Hg 

Stat. Pres in 1-1,0 

Probe Lngth __ . }__ II 

Liner Type: 1l;lGlass OS,S, DOther 

Slnd( ,--,----_.'---:- Sam ]Ie Train Temp, OF Metor Moler Meter Velocity Orifice 

Temp linpngr Inlet Outlet Volume 1\1', 1\1'1, 

Ts, OF Prallo Filler Outlet Tornp, OF Tomp, "F VIll, It" inH,O in H,O 

--:---....,.--- --- S't{~.l 1/5- 7_5::1_ "3 .,> '7 <1 ~ti>- ' \) Z& - I, 'I 

LL1_ z ,;,,--) '3 I '1.(-0 7":, 5::' iJ. '''ti' J~ I· 1 ...... 

II ~ 7,,5-& "'Z,j,Y- -.:i.,J ~,t: 78 S5Y.:> - I., 

Ii '-I 'l ",:y 7.<:> I_I I,,{L ~2 "7'1 ;,S!5 z.l (. 7 

I ( 'I i-5.'>' Z.5't 't c/ 15 f

t ..J.,C) SGZ' L - if '1. 

(( '/ l)), 2.:~il -' "/ (,- i:,5~ 77 G'lo6.6 , - /. I 

1 f '-I Zn: 7;-'r L{l ,re. .... 1)2> $(01'." - L- 7 ~ /o') <::'.53;:' LS..; .. -· ,-.Ju ~-'t;;. p-O S7},S - (. 7 <~ , 

./LX~ ,:{f- 2:;"';1' . .,) I cl7 71. 57?3- '", ! 7 ---_.- .to ,i;-7 $''$1)'''::5 L:;··l,. ':;0 if Y( - (- 7 .. II L/ 1)f 2 :,-;5'- .. --- -->..> S 1 fir l O~.IfJ>!S - / . ., 

Train 

VaclllIIll 

in. Hg 

),~ 

.J.:;, -

~ ,-> 

J.> 

'3.,) 

..>.s 

3.fi 

:J. -:.i 

J'J 

.J.t>' 

;J .';> ...-

GO is'1l·Y~ - I, 1 'j / -7 -Li"; ).~71" J')?L. ..-21 7>~ ~;'\o 'if! )"8B,7b ~ C' 1 J ,.;'" 

IGS 

\0 ._-- ---- ,e ---, 8) --- 8J -------' 

91 

9J - , 

HO ,----------- 1<5 - '------------ I 1 0 

11, ,----

120 

vrnA;·r ------~. 

Ci= 1\11=1· \ Ts=llt-{ -- Trn=~l. ~'t VI11~\p.tJ 1\11=1.1 , .-. -- -- , 

.-------------,.-_._----- Initialization Values T est Run Timos OHSAT Systom Snrnplc Tr"in COlllPOIlOllts 

Meier Oxygen Moisture cc/min" 02 

-~ COlllent Content Start Time End Time Box N(l. Bng No. Ong '"_(_'I_I_"""t...,1_5 --:in:::f=IU=I::o~Hr" .... nr_lir-,lg,-+_F .... il_lo_r N_o..,:.-/_N_o .... ",;...Ic--,-NO. Nozzle On 

Sample Train Leak Rate (cfm) 

Run 1 Run 2 

Pretest 0" ,J at 15 in Hg Pretest cJ,D at15inHo 

Postlest t>,') at ,/ ,.;:> in H9 Posttest a. ... c..\ at S- in H9 

Pitot (3 in,) Pos.O Neg.O Pitot (3 in.) Pos,O Neg,!:] 

TEST RUN 2 

Stack Sam Ie Train Temp, "F Meter Meter 

Temp. hnpngr Inlet Outlet 

Ts, OF Probe Filler Outlet Tomp, "F Temp, OF 

!I::1 J.S-5 :J.-5 <0 i. L" if" ~-

---U:i .c.r-c; ~ \'>2.- 7'1 l-<S-:J -. 

It. r z-s3 V"".s- v.;. -- ~'r l2-'7 

(/? z:~ Z..).s;- "(7 ~ ~ 

LL t L':>S ZS-3 5""= h;, ~ 

1(05 2> ~ L..r7 0''- 8\;. n:l 

/1 '3:. z,,:;;y 2;:; I 03 8'TC. ~ 

( (2... t...5's 'Zsy .5"3 ¥7 y/ 

113 2..s./ '2..J,- 'Z,. J-y 'b7 ..50 __ { (y 2..53-- 'Z.J,-b o~ S-~ 'iI'1 

t(::, .- z.s S- '2.£"::;'- "6-, YCo 'i:..t 

Ur:.r. !.-1.5- z.-~ /)/ ~ g-Z 

Ts= Illj Trn=1i'U.7, 

Air Flows Nozzle Calibralion 

Toch, Dale 

ACFM DSCFM Nozzle No, 

Rlin 1 ."., /. 1 7fl0- (,57 () -::?;ZJ ------. ~H~t~m~2--'-~ ______ -L~~~~--'-____ ~~S~ -~ ~~ .. ~~~, __ ,~ _____ ~ ___ ~ ___ L ______ L-____ ~ ______ -L ______ ~ ____ ~ 

.Jj,j 

'l.i ".... 2 Y 

MOlsrURE RECOVERY; 

Imeinqcr 1 2 

Finafwt" g .i-.kh., Initial wI., 9 I():; ~'Z, Difference (",L. 'l-l.-

HUN 1 

3 

~ '} 

(;I 

'L 

Desiccanl Tolal 

I" -, '1,0=.1---'-="'--

to l- 'L. -IZ:- ( 0 

1 

It. '( 

{vi!> 

&'{ 

3 ./ "'-.. HUN 2 Avg. in, " 2 3 4 Desiccant Total 

! {, '(~ Z III S 1-

(&2> 

'2- 1.-

D 

l.-- ~ 

['2.. [I:>'" 
Project 1'4. : -~-\<.. \ 

Smpl loe '-£J. ~ <-<-t.-C.. !3 Date _l(-I'u'! 

Operator \'(,j lL-/ 0 5lL 

Sample Sample MetCf Velocily 

Polnl Time Volume I\P. 

AT Vm, no in H70 

.. !>'lo. I 

5 5<f'(·b~ ~ 

10 5'17,.> -

15 C.O/. '!.- -

20 1G:,cV',,-r' - 25 (..01·7 - 30 fl}cz'V - 35 (.17. ( Ie -

40 ~ l-rJ /t z ~ 

45 Ip~: - 50 4~{n -- 55 - - GO ~J~".S - \G5 

\0 - 7~ 

80 

85 

90 --- 95 

101 

10~ 

---1----1.L 11-

---I~ ·0= Vm,!-{f..·-r 

Test No. Huns 3 - 4 

Pilot No. 

eM --l~ SM ___ _ 

TEsr HLfi~·3 

MeIer y -.J. .~D 7'( 

IIII@ _1. b~I)Y 

Cp __ _ 

P 

_.- . 

_._" ..•. .,. .... ----

EPA METHOD~ Y 

FIELD DATA Sf-tEET 

Bar. Pres ,;)7· :2>.>-- in I-Ig 

Stat. Pres ___ in 1-170 

Probe Lngth n 

Liner Type: iilGlass []S.S. DOther 

Orifice Tlain SInd; Sam Jl0 Train 1 amp, "F Meier Meter Metcr Velocity Orifice 

AH. Vacuulll Temp. Impngr Inl"t Outlol Volume AP. AI-I. 

in 1-170 in. 1-19 T5, "I' Probe Fill",. Outlet Temp, "I' Temp, "I' Vm, fr' in 1-1,0 in 1-1;,0 

- -.-

(.1 1\::> - .2..:>-> Z,y:;- -------:---

3 . ..:> Llo '6'2 wI 

~ 1,;> Ii'-£. t.>5 ~b't "iL "-<"i YI 

,. 7 ;J .5- f ( '--( 2S-) 'lS{' '1 f '><' );- ~'L - (. 1 J.,> (( Lf 25,> L:5i.'.. 'i (", 2;7 lrl 

f: 7 ~,,> '(I;? 1.:7'7 '2 5-V -~ IF'? Y/ 

(. 7 -.l~~ i1!.! 

1- 7 J·5~ 

z;-7. ~::> { ~~- ---

7Jh ~ 

L!..2- L><b z: :>L:.'- ,5.~ ) 'Jr";- :f'7~ 

Z-S-I-- . ,>,'1 --"---'" 

(,7 2. tt .... UV Z~-S iJ;;!> 8 1 --"". {( 1- ).> (('1 2.5' 'I -'.f }<3 ,:..,> -"?') )J"'~ &-7 --'"" -' 

LL "j. :7 {...£'::L 1._'<' 'i Z-.;,- I ,---.:;,-- Y'-- _$0 

25':;: 2-~>-';- ~~ --"'-

....L..J.. 3 . ..>/ {o-- _v-:l. yiP. 5r-~ 

[·1 .2,$ {I't 2-S"lP U5 1

1 G:.6 .~~- fr"O 

---------------

---

-------- _.- -------

-------

------

I ------_._-----

---

IIH=(,1 Ts='! ~I -- ... ------ TnF\I'J.\\lf Vm= .. ... .AI-I= _ .... _-

Sample Train Leak Rate (efm) 

Hun 3 Hun 4 

Pretest D. () at 15 in Hg Pretest at 15 in Hg 

PosHest 0>, V at y- in HU Postlest at in IIU 

Pitot (3 in.) Pas. 19- Neg.EJ Pitot (3 in.) Pos.O Neg.O 

- TEST HUN 4 

Train Slnel, Smnple Tmin Temp. "F MeIer Meier 

Vacuum Temp. Impngr Inlet Outlet 

in. 1-19 Ts, "I' Probe Filter Outlet Temp, "I' Temp, "I' 

Ts= .'. Tm= -_ ..... 

Initialization Values Tcst !tUI 

::::"'~~:' :l::, No F: :,~"::;~~;',;" ",~;,,,,, I '""::::'~ :::~'::'::: "" II Ace:"I'::"" 

Nozzle Calibration 

Meter Oxygen Moisture Tech. Date 

Temp Content Content Strut 1 ilnc Nozzle No. 

I<lln3 17((> 3>1)--=-===--~ _----f-----"7" I I I 1 __ -1 ~- - - tiD'ISRun 4 2 

1 

~- 3 /' ~ 

rt".OISTURE RECOVERY: HUN 3 

irnpinqer 1 2 3 4 

Finalw\., Q .J(PO n& 'L 

=A= Initialw\.,g p- I ()~ () 

DiffefCnce (717 1.'-- V =A=-j~~~;L . Tot~~=j ,Iv'li'l _ ---11-~: 

I I<UN4 

1 I 2 I 3 I 4 I Desiccant I Tolat 

I\vg, in. 

Project 

Smplloe 

Date 

Operator 

Sample 

Polnl 

.. 

----

---

---

1'4. : -~-\<.. \ 

'-£J. ~<-<-<--C.. !3 Test No. -----'--- Huns 3 - 4 

If,-I'u'l Pilot No. 

\'(,\ !L-i 0 ,lIL eM --l~ SM ___ _ 

TEsr HLfi~·3 

MeIer y -.J. .~D 7'( 

IIII@ _1. b~I)Y 

Cp ___ _ 

P 

_.- . 

_._" ..•. .,. .... ----

EPA METHOD~ Y 

FIELD DATA Sf-tEET 

Stat. Pres in 1-170 

Probe Lngth n 

Liner Type: iilGlass []S.S. DOther 

Sample MetCf Velocily Orifice Tlain SInd; Sam Jl0 Train 1 amp, "F Meier Meter Metcr Velocity Orifice Train 

Time Volume I\P. AH. Vacuulll Temp. Impngr Inl"t Outlol Volume AP. AI-I. Vacuum 

AT Vm, no in H70 in 1-170 in.l-Ig T5, "I' Probe FiIt",. Outlet Temp, "I' Temp, "I' Vm, fr' in 1-1,0 in 1-1;,0 in.l-Ig - !>'lo. I 

5o('(.b~ (.1 1\::> - .2..:>-> Z,y:;- -------,----

5 ~ 3 . ..:> Llo '6'2 wI 

10 5'17,.> ~ 1,;> U'i t.>5 ~b't "iL "-<"i YI 

15 ~o/. '!.- - , . 7 ;J .5- f { '-( 2S-) 'lS(' '1 f '><' );- ~'L - 20 ~,,?' - (. 1 J.,> (( Lf 25,> L:5i.'.. 'i (", j;; 7 lrl 

25 (..01·7 - f: 7 ~,,> '(I;? 1.:7'7 '2 5-V _f.L.. IF'? Y/ 

fl}cz'V - ( . 7 -.l;~ i1!.! 30 

35 (.17. ( Ie - 1- 7 J.;-

z;-7. ~::> { ~~- ---

7Jh ~ 

L!-L. L><b z: :>L:.'- ,5.~ ) 'Jr";- 1['7- Z-S-I-- . ,>,'1 -"---'" 

40 ~ l-rJ /t l. ~ (,7 2. tt .... UV Z~-S iJ;;!> 8 1 --"". 45 Ip~: - {( 1- ).> (('1 2.5' 'I -'.f }<3 ,...) -', )J"'~ &- 7 --'"" -' 

50 4~{n -- LL "j. :7 t''--L 1._'<' 'i Z-.;,- I ,---.:;,-- Y'-- _$0 

25':;: 2-~>-';- ~~ --"'- 55 - - .-L.J.. 3 . ..>/ {o-- _v-:l. yiP. 5r-~ 

GO ~)~d·S - [. 1 -.2,$ {I't 2-S"lP U5 1

1 G:.6 ~~- fr"O ---- \G5 -------------- \0 - --- 7\ -------- 80 _.- -------- 85 ----- 90 ------ 95 ------- 101 I 10~ ------_._-----

-----1.l: --- 11-

~ IIH=(,1 Ts='! ~I TnF\I'J.\\lf ·0= Vm,!-{f..·-r Vm= AI-I= --- - - -----

Initialization Values Tcst HUll ystOiTl Smnplc Train Components 

Meter Oxygen Moisture cc/min .. 02 

Temp Content Content Strut 1 ilnc ,I at 15inllg Reading Filter No. Nozzle No. Nozzle Dn 

Hun 3 ~- - - tiD'IS- -------4' ~ ~-

-- -- Run 4 

rt".OISTURE RECOVERY: HUN 3 RUN4 

irnpinqer 1 2 3 4 1 2 3 4 

Final wI., Q -fw O I~ 7- 'L - Initial wI., 9 p- I ()~ () 

DiffefCnce {717 1.'-- v 

Sample Train Leak Rate (efm) 

Hun 3 Hun 4 

Pretest D. 0 at 15 in Hg Pretest at 15 in Hg 

PosHest 0>, V at y- in HU Postlest at in IIU 

Pitot (3 in.) Pas. 19- Neg.EJ Pitot(3 in.) Pos.O Neg.O 

- TEST HUN 4 

Slnel, Smnple Tmin Temp. "F MeIer Meier 

Temp. Impngr Inlet Outlet 

Ts, "I' Probe Filter Outlet Temp, "I' Temp, "I' 

.'. Ts= Tm= 

Air Flows Nozzle Calibration 

Tech. Date 

I\CFM DSCFM Nozzle No. 

2 

1 

~-

3 / -.. 

I\vg, in. 

Desiccant Totat 
\,. 

ArcelorM ittal 

Minorca Mine 

Virginia, MN 

Barr Engineering Co. 

April 23, 2009 

Meter 

RESULTS OF STACK MOISTURE DETERMINATIONS 

Furnace Stack B 

Test Date: April 1, 2009 

RUN 1 (1410-1510) .. ------- RUN 2 (1530-1630) RUN 3 (1645-1745) 

Stack Impinger Meter Meter Met;;;-- Ori~ -Stack Impinger Meter Meter Meter Orifice Stack Impinger I Meter I Meter 

,~. Temp. Temp. Inlet Outlet Volume !lH, Temp. Temp. Inlet Outlet Volume "'H, Temp. Temp. Inlet Outlet 

Orifice 

S 

Vm, no in H,O Ts, OF (OF) ("F) (OF) Vm, no in H,O Ts, OF (OF) (OF) (OF) Vm, W in H20 Ts, OF (OF) ("F) (OF) 

496.40 54::;:70- ------ 590.10 

1.7 115 38 79" ~8- ------.----:r7- -~1~·:1-:4-+--4""2::---+--::8~0--l---:7~9,--+....:.:.:.;..:..:..+--:-1.-::7,--+-1,.,1,-;:5,--+-4""0::---+---::8"'2--+--8:"1,---1 

I==C .. +t~~' j:i~= =}~ .. = ~=~~~~r~= .. ~J}.~= ~=:~.==== ~JJ"=. ==Jil}-=-= = :~*=== ===~'=~~'~::~r~= =. -. ~~_~;-- =~~~~~='. ~~ ~. ~ .... l~ .. _. __ ~.~._ 1.7 114 42 83 7B 1.7 1"13 47 85 80 1.7 114 46 87 81 "'IT-' "'114-- ---"44-" --84 .... - .. ··m·- - ... -.-..... --1~~·-·-1f4--·--·50· .. · · .. ·86 .. - "80'- ··· .. ·-.. - .. · .. -u--·1""13·· .. · .... -47 .. ····· --.. -8'1-.... -'-8-1 ---. "1~i'-' -"114- '-'-46-- --85"-'79' -.. ..--- '-1:7-' --1'15-' ---52"- '-"'86--"-~ ----- -1.7"" -113- -'49'-'-86----8-1--

1 :7·····--114-- ---~ -86--- ...... so' .. · -.-.... -.. · .. ··1.7 ........ fiX'" -·-53· .. · - .. ·86·....·-80.. ----"-f7----=t13- '''53''- -.-~-- ~--

1-... 1L-- .. _ .. 1.1:1._ .. _ .. _~o.._ .. ::: __ Jl(3~:"== .' '-'8{)':'::: ~:::=:==-:::::=l·C= =-:: .. 1:1[= =: ... (5-:3 - -.. -_.-. _-Ei,-7.. -... -.: ::::.:8-2-... -... __ .. __ __ 11._. =._1.1-~.-_-. _ .. _.54 _ .. ___ 8_5 ___ .... _8_1_ ... _

1---- 1 1.7 115 51 87 7» 1.7 1"13 54 87 81 1.7 114 53 85 81 

==T7 .... ':: ... 1]:3 __ = =.'iil .. ":::: :=-llt:==:=:::QC.-: ===:·:·=:::-=·~TL_.:::TiC: ==~G' _ :~~I::::' ~.JiI= ______ ..... .1.1._ ==i11=: .·=:::5~= = .. 13.5_. ___ ..JlQ._ ... 1 

--=-:-=-=c_1 ___ 17'.~7 ... _. 114 55 87 81 1.7 1'15 57 86 81 1.7 115 57 86 80 

542.38 1.7 .... ·-114-- -56-- --'86- 81 58!~.7.i._-·T~==- -=:-114-- - .. isT--86 .. · .... -M·636~f5-·-~ '-"114'-"-60--- "'-'00'''- "'80--

Total I Average Average Average Average Tolal Average Average Average Average Total 

Meter ".""g" I "."mg" I "."m" 

Volume 

Vm, ft' 

45.98 

Impinger 

Final 

Initial 

Diff. 

Orifice Stack Impinger Meter MElter Orifice Stacl\ Irnpinger Meter Meter Orifice Stack Impinger 

!lH. Temp. Temp. Temp. Volume !lH. Temp. Temp. Temp. Volume "'H, Temp. Temp. 

in H,O (OF) (OF) (OF) Vm. fI' in HoO (OF) (OF) (OF) Vm, It' in H .. O (0,::\ (OF) 

1.70 .114 47 81.88 ___ ''.2.!~i_._ --1:.I_L.::-:-.. 1"14 51 82.63 46.05 

MOisture Recovery Data: MOisture Recovery Data: ... _._._. _ .. _ 

2 3 Desiccant Tolal Impin})er-- 1 2 3 Desiccant Total Impinger ;: i ::; 

162 T 122 2 1034 ~. 16'1 122 2 1059 Final 

100 / 100 0 1022 Initial 100 100 0 1047 Initial 

<., 50 

- IOU J '"'' J 2 

1nn I 1nn I 0 

uu i LL i " 

Average 

Meter 

Temp. 

(OF) 

83.08 

Desiccant J Total 

1091 

1078 

62 22 2 12 .. _ .. ~_D_iff:-.-.- __ 6_~--:-_ 22 2 12 100 Dirf. 13 I 97 

Standard Meter Volume Moisture Content (%v/v) Standard Meter Volume Moisture Content (%v/v) Standard Meter Volume Moisture Content (%v/v) 

42.22 9.85 42.22 10.03 42.19 9.76 

Barometric PressureJin Hg) 27.85 I ~netric Pressure (in Hll) 27.85 I Barometric Pressure (in Ht:j) 27.85/ 

Meter Coefficient 1.0079 I I Meter Coefficinnt 1.0079 Meter Coefficient 1.0079 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x «Pbar +(L'.H/13.6))rrmr) 

Average Moisture Content of Stack Gas 

Me = ((.04707 x Vwc)/((.04707 x Vwc) + (Vmsld)) x 100 

Vm 

Y 

Pbar 

111-1 

Meter Volume 

Meter Coefficient 

Barametric Pressure 

Orifice delta H 

Tmr 

Vmstd 

MC 

Vwc 

Average Meter Temperature in Rankins (OF + 460) 

Meter Volume at Standard Conditions 

Moisture Content, % 

Moisture Recovered from impingers 

ArcelorM ittal 

Minorca Mine 

Virginia, MN 

RESULTS OF STACK MOISTURE DETERMINATIONS 

Furnace Stack B 

Test Date: April 1, 2009 

I-,...,...,......-,.---.",-:-::-_.,-~::.:...:,.~j..:..:..:....:,;::..;..;:~_.,..,....,-.--r--,,_:-:"_+-...,...,...· .. ---------RUN 2 (1530-1630) 

Meter Orifice Stack Impinger Meter Meter Meter 

RUN 1 (1410-1510) 

--'--'-

Meter Orifice Stack Impinger Meter Meter 

Volume !lH, Temp. Temp. Inlet Outlet Volume !lH, Temp. Temp. Inlet Outlet Volume 

Vm, W in H20 Ts, of (OF) (OF) (OF) Vm, W 

54::;:70- - 590.10 

Vm, W in H,O Ts, OF (OF) ("F) ,._Cf) 

496.40 

Orifice 

!lH, 

in H20 

RUN 3 (1645-1745) 

Stack Impinger 

Temp. Temp. 

Ts, OF (OF) 

Barr Engineering Co. 

April 23, 2009 

Meter 

Inlet 

("F) 

Meter 

Outlet 

(OF) 

1.7 115 38 79 -"--78 ------"----:r?-f- 1.

14 42 80 79 1.7 115 40 82 81 

-------1-.-7----113-- 39 -~--~SO---~--78 - ----~--'"'"-~ 1.7 --Ti4-----43~-""-82'"-----f9--------1T-~---Ti4---- 41 84 --8-1-

===-Tf=-~ =_Ii1:::::= =}O--'::: ~--S2~=- ~=~78--~=- ==~=_==== =-=Ti--=: =-=_1:[5-'::: =~Ii5-== ===iH.=-= ---79~-- --------1-.7-- ~-11-4- --41'"- - 85 82 

1.7 114 42 83 79 1.7 1"13 47 85 --80-- -------f7----114-- ~-- ----Sr--- ~--81-~ 

--fT-- --114-- ----44-- --84-- ----79-- -------- --1~~----1f4~-----50---- ----86'"'"~ --80-- ------------u- --1"13--- ----~47 --- ---~8T----- ---8-1 ---- ---- --1~i--- --114- ----46-- --85---79- -------- -~1:7 ----1'15-- --~52- -----S6~----~ ----- -1:7---113- --49--- --86----8-1--

1 :7----114-- ---~ -86--- ----SO---- ---------'"'"1.7--- ---- Tj'"3-~ ---53-~- ~---86-------80- ---- ---f7-~-1i3- ---53-- --------s5-- ------sz--

--1-.7-- 113 ~------s6--,.,.-----86---- ----------T1'"----112'"--- 5-3---8-7--- ---81 1.7-'"'"11-4- 54 85 81 I----I=_::::ry----: =~--li5--= =51-=_= :::=~~___ 7»-- ----~--------1j------ ---T13---- -54 ----8'"7---s1------ ------ ~-1T-- =~=nI== ~=j:,.3,.,.==_~ ----81--

1.7 113 54 87--8i~- ------------Ti--fi4-- ---5G- --86----81'"-- 1.7 114 55 85 80 

----- ----Ti -- ----"1"14------55--- ---8'1-----81-- -- ---- -~--{y-- 1'15---57- -- -06 - ----81--- -~-- -- --'"'"'"1:7-- --115---- --51'"-- ---86---- -80---

542.38 --'"1T--- -----f14-- -56-- --86- 81 58B.7'1 --'"'"fT--~f14-- --5T-~86---""---8f-636~f5---1:7'"'" ---114----60--- ----00---- --ao--

Total Average Average Average Average Tc~tal'- Average Average Average Average Total Average Average Average Average 

Meter Orifice Stack Impinger Meter MElter Orifice Stacl\ Irnpinger Meter Meter Orifice Stack Impinger Meter 

Volume !lH, Temp. Temp. Temp. Volume !lH, Temp. Temp. Temp_ Volume !lH, Temp. Temp_ Temp. 

Vm, ft' in H,O (OF) (OF) (OF) Vm, fl' in HoO (OF) (OF) (OF) Vm, It' in H,O (OF) ("F) (OF) 

45.98 1.70 114 47 81.88 46.()4 1.7 1"14 51 82.63 46.05 1.7 114 50 83.08 

Moisture Recovery Data: 

1 2 3 Desiccant Total 

160 122 2 1091 

Moisture Recovery Data: r __ ,----..:.;.M.:.;.C>isture Recovery Data: 

1m in er 2 3 Desiccant Total 1m in},).:ec..r_f_-:-::-:--l_-.,.:2:-:'-_1-_3:::-_t-..::Dc::e::,:sic,=c",alc.:,t-l_..:.T-"0.::ta,,,1-If::lm''''J;;.pii''''n..,g.::.'er'--t--.......,--=-=-_-l---:-::-:::_+_-::--_--t-....:::.=-cc::.:::.''--l---'-=='----I 

Final 162 122 2 1034 Final 16'1 122 2 1059 Final 

100 100 0 1078 

60 22 2 13 97 1;I~ni~tia~I __ ~r--1~O~0~1_ __ ~10~0~_r-~0---+ __ ~1~0~22~-1. __ ~--:1~1n~it~ia~I ____ f __ ~1~0~0 __ +--~1~00~-r--~0~--r-~10~4~7--_r--~--:~ln~itTia~I--~--~~-+--~~-t--~--_r--~~--t--~~-1 

DifL Standard ~!ter VOlum~2 2 12 9B Diff :-Standard ~;teriiO'...,I-u'-n-~-2-+_-2..,.M"..0...,is-tJ..u-re...."c-:-~t:-e-n7"t ·(!-;o;.:;-oV...,,;-~);-OO_-tD_iff_. -:S:::t-a-nd7a-r-;d-:M-:e-:t-er...,V:-:o~l:-u-m-e--!---:M':"0-:i-st-;-u-r-e-::C;-o"':;n-:-te-n-:t~('::'%;-v-;-/v"':)--1 42.22 42.22 10.03 42.19 9.76 

Barometric Pressure in H 27.85 Baro.netric Pressure (in Hn) 27.85 I Barometric Pressure (in Hg) 27.85 I 

Meter Coefficient 1.0079 Meter Coefficinnt 1.0079 Meter Coefficient 1.0079 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x «Pbar +(L'.H/13.6))rrmr) 

Average Moisture Content of Stack Gas 

Me = «(.04707 x Vwc)/«.04707 x Vwc) + (Vmstd)) x 100 

Vm 

Y 

Pbar 

111-1 

____ ~ ____ ~ ____________ -L __________________ ~ ____ ~ ____________ ~ 

Meter Volume Tmr Average Meter Temperature in Rankins (OF + 460) 

Meter Coefficient Vmstd Meter Volume at Standard Conditions 

Barametric Pressure MC Moisture Content, % 

Orifice delta H Vwc Moisture Recovered from impingers 
ArcelorMittal 

Furnace Stack B 

Virginia, MN 

PortA 

_ .. 

Port B 

~---- ---- -~-

--~--

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

Max read % diff from avg 

Min read % diff from avg 

1 

2 

3 

4 

5 

6 

1 

2 

3 

4 

5 

6 

EPA Method 7E (3 Pt) 

Stratification test 

NOx 

142.2 

143.7 

143.5 

143.1 

143.7 

142.2 

0.6 

0.9 

0.41 

0.65 

If < 5 percent sample from mean point in stack 

If > 5 and < 10 pick 3 points 16.7, 50 1 n 83.7 

If:> 10 perform 12 points 6 on each traverse 

Barr Engineering Co. 

August 27,2010 

02 

19.44 

19.45 

19.44 

19.45 

19.45 

19.44 

0.01 

0.00 

0.03 

0.02 

ArcelorMittal 

Furnace Stack B 

Virginia, MN 

PortA 

_ .. 

Port B 

~---- ---- -~-

--~--

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

Max read % diff from avg 

Min read % diff from avg 

1 

2 

3 

4 

5 

6 

1 

2 

3 

4 

5 

6 

EPA Method 7E (3 Pt) 

Stratification test 

NOx 

142.2 

143.7 

143.5 

143.1 

143.7 

142.2 

0.6 

0.9 

0.41 

0.65 

If < 5 percent sample from mean point in stack 

If > 5 and < 10 pick 3 points 16.7, 50 1 n 83.7 

If:> 10 perform 12 points 6 on each traverse 

Barr Engineering Co. 

August 27,2010 

02 

19.44 

19.45 

19.44 

19.45 

19.45 

19.44 

0.01 

0.00 

0.03 

0.02 
Project ....,t'1;,.:..\-\;..!..!.!I..:...:.;:'\ ____ -::--

Sample Location (.:J t "'-kUi: .cnt.G)L c.. 

Date ...:.,i.f if-"t,-,-f..:;...D ,-'::1 :-:::--:--_ 

Operators I'PI iC 1'0 -' (LDuct DimensiDns i c :7' inches ----!,..--"----

Port Length (P inches --:-----

Pitot Tube No, J. , Cp 0 -g'i 

Manometer 10 C - lo Bar,ID DA - Dj;(t.--

Digita! Therm!D C - \.rJ T,e, !D J" '} 

EPA METHOD 2 

FIELD DATA SHEET 

!:!::.~j:;.'A?Z;£:-<-':;;2~~:: Run 1 

Bar Press (In Hg) d'1,I) 

StaL Press (In H2O) -/\'6'1 

Temp· Dry Bulb OF ilq 

Temp - Wet Bulb OF 

Moist Content - % 

°2% 

Run 2 Run 3 Run 4 

I :f-'b, ,.n L '6.15\ 

I·~C' '£D \- 0 .,{u I 

I /1'1 \ Ii 1 I 

\ \ I 

I I \ 

I I I 

f- I 0 0 o. D 

Pitot Leak Check ~("t'Posltive: i)' v Negative: J ~ 0 

Traverse Point Information I CYclonic I Velocity Head· Inches H,O StacK Temperature· OF 

i-----=-p07in=j '::':"';""'1 ~In'-'-c";--ho~~ F::-ro'-'-m-' -ll 'Flow f-j -=-Ru-n'-'-1"'1 :'-=:R=-'-un":-:2=T- 1 --=R:":':un':::'3::"';';"=';1 =:::-R-un--:-4-iI~Ru-n-:-i -1-1-==-'Ru'-'-n:::-':-2 +1 ~R==-=u:':':n 3:---T-1 -=R'-un-4---1 ~, 

I I I 

Temp, I I 

Number I Wall I Port L,0 !lP !lP !lP !lP I Temp, I Temp, I Temp, 

A i I I /S+9A~ ()G; D 11).10)1 I(l. u'7 I I I I I 

) I I -> t). 1'1 I ~~ ,'1\) 10'l) I I I I 

J I 1 ,..., 0,1.&10,1 7 10. 15'/1 I 1 I -;:;--

y I I 6 0, t) 2 1 D I '6d-.1 0, '6';; J I 1 I r- I I ') i C). ~Io I~"i 10·0 I I 1 I 

b I I I 1..1 I), 8'3IC}·tfU ICL '00 I I I I I 

(; I I 1 1- L}. ' . ((; '7) I'> I'" [/.~; r 4 1 C ') .,' ~"1 . 1 I i 1 I 

J 1 I l 0, '1 'i 10 l7 3 1 [/ • '1 L/ I I 1 I 

J I I jl.( 0,'77 10· 77 10.,(\ 1 I I I 

f I I -'J I rY ,?f'110.C6 5' 10 <>/1 -OJ I 1 I 1 -, 

s I 1 '~-I IV.82-lo,~ 10, "6& 1 I I I I 

(>j 1 1 1- ' I 1'\ C;Z I (), ?5,) It, Sf 2.\ I 1 \ I I I I G I U I,j) 

I~'l':::." ·.·;:;;>:;>~~::I Run 1 Run 2 I Run 3 I Run4 

Stack Pres, • In H;J I I I 

Duct Area - Sq FL \ I I 

Mole Weioht • Md I I I I 

Mole Vveiaht - f,15 I I I I 

Ava. Temp. - OF I I I I 

Average v't;:'P I \ I I 

Gas Vel- FtlSee I I \ I 

ACFM \ I \ \ 

SCFM I I \ 

DSCFflJ \ I I 

Schematic of Duct Cross·Section 

BARR 

Project t'1 ,-\1;:,\ \ 

Sam p Ie Loca tion -??<-'-'J -'-'-, ~--,-uc--{.-+Z;-t-c,-lL--::::c..-

Date ...... Y i<-,t:...>-f.;;...D .,....1 __ _ 

Operators I'PI iC 1'0 -' (LDuct DimensiDns i c :7' inches ~--"----

Port Length --::-'cP:...-___ inches 

Pitot Tube No. J, Cp 0 -g'i 

Manometer 10 C - lo Bar,ID DA - Dj;(t.--

Digita! Therm!D C - \.rJ T,e, !D J" '} 

EPA METHOD 2 

FIELD DATA SHEET 

·!:!::.~j:;.'A?Z;£:-<-':·;2~~:-- Run 1 Run 2 Run 3 

Bar Press (In Hq) d 'i -15- I:f-'b, ,.n L '6. I) 1 

StaL Press (In H2O) -/\'6'1 I-~C' '£D 1- 0 .,{u I 

Temp· Dry Bulb OF ilq I /11 I 111 I 

Temp - Wet Bulb OF I I I 

Moist Content - % I I 1 

°2% I 1 1 - -

Run 4 

f- I 0 0 o. D 

Pitot Leak Check ~("t'Posltive: i)' v Negative: J ~ 0 

Traverse Point Information I CYclonic I Velocity Head· Inches H,O StacK Temperature· OF 

i----:::po-:-in7"j -'I ~I-nc:-he-~ F=-ro-m-' --il 'Flow t-j -=R-un71 'I-:R::"-u-:n 2:-'-.-1 --::R:-'-'un-'-'::3:"';''=-1 "=R-un-;-4-iI~Ru-n-:-i 'I~Ru-n;:-2 -71 ""'";R=-'u-'-n 3=---r-1 -=R:-un-:-4:-1 . I I I 

Temp, I I 

Number 1 Wall I Port L,0 !lP .iP !lP !lP I Temp, I Temp. I Temp, 

A I I 1""-" , ()G; D 11).10)1 I(l. u'7 i />~~ I I I I I 

) I I -> t). 1'1 I ~~ ,'1D 10'T) I I I I 

J I 1 ,..., -;:;- 0, 1.& I 0,1 710. 15J I 1 I 

y I I 6 0, t) 2 1 D I '6d-.1 0, '6';; --' I 1 I r I I i C), ~Io I~"i 10,0 ') I I 1 I 

b I I I 1..1 I), 8'3IC}·tfU ICL '60 I I I I I 

(; I 1 1 1- L}. • . ((; '7) I'> I'" [/.~; r 4 1 C ') .,' ~"1 . 1 I i I I 

J 1 I l 0, '1 'i 10 l 73 1 [/ • '1 L/ I I 1 I 

J I 1 jl.( D. '71 10· 77 10.,(\ 1 1 I I 

f 1 I -'J IO,?f'110.C6 5" 10 <>/1 -OJ I 1 I 1 -, 

s I 1 '~-I IV.82-lo,~ 10, "6& 1 I I I 1 

(>j 1 1 1- ' I 1'\ C;Z I (), ?5,) It, Sf 2.\ I 1 I 1 I I I G I U I,j) 

I~'l':::-'::";:;;>:;>~~::I Run 1 Run 2 1 Run 3 I Run4 

Stack Pres, • In H;J I I 1 

Duct Area - Sq Ft. I I I 

Moie Weioht • Md I 1 I I 

Moie Vveiaht - f,15 I I I 1 

Ava. Temp. - OF 1 I I I 

Average v'LJ> I I I I 

Gas Vel- FtlSee I I 1 I 

ACFM 1 I 1 1 

SCFM I I I 

DSCFflJ I 1 I 

Schematic of Duct Cross·Section 
EPA METHOD 4 

FIELD DATA SHEET 

i'L-t.·L ..... '1"'7, \ /' Project I J ~ eM ~ SM _I _ P ~ .J.1 . /" Sample Train Leak Rate (cfm) 

Sample Location f:"'" "'- u.. ~, Sf; Lic Meter', j, UJ 77 Bar. Press . ..L"c, c r ~ in Hg Pretest 6- C;. at 1~ in Hg 

Date ill (00, Test __ /_ Run I s. Orifice "H@ /, (11'7 '2 V Postiest C), U at (.; in Hg 

Operators 'j)~kl o,l!e ' Err. Probe Length __ ft Liner Type: ~GlaSs 03.S. []Other ____ _ 

RUN 6'~ ( 

Sample Sample I Meter I Orifice I Sample Sample I rain I emoeratures, OF 

Point Time Reading Pressure, Vacuum, Probe I Filler Impinger Meter £11 Vm, Cu,Ft LlH In H2O in Hg Outlet Inlet 

(0<gDC ) I «(.5'U:-. '{,. ) I I 1 5 1(:.'10 &1 I • "1 "1.;- I Zr.J I .., z. ( I ?> L. -1'::'-

2 10 lui'i,«; i, 7 '? -.,' I ~5Y I 2-'11 I ~ J '7:;-

3 15 Ir_i~. V", ' . 7 ~ - I Z.;~-'=- ;! ;,:, -;::, I V, 71 4 20 iGs2,v , . ., ''I, I Z53- I 'Z.:j--O I .... t7 7~ 

5 25 l.>"-;- 7.> I 7- ;.. . ..., . I 'I $''-7_ I 1..S( !..f4 ,e-, 6 30 7~ .;'':/ '7« '/, 7 3-:5 ;;!:> P I ;;2.S'1 ?''t Y;-v 

7 I 35 I ,'7 ~,.) ",;,i I Z::>v :)''J "lrl 

8 I 40 (;, 00'1. 2 L I /.7 ;.:::- ?'3G:- I 0 ") l.P ~L ¥I 

9 45 (;;:7/ I " /. -~.~~ ;;Z ~ I ZS 7, I (:,..,i 7)( 

,10 I 50 !: 70,{, 17, I /.7 .".;) Z S ..:;..-- 25>~ I C~ <:- ~'Z.. 

11 I 55 kii'C/, I I f .... I .!. S- I -p--:S -Z :; 'f 0'-1 I ";1'l, 

12 I 50 If· ';0', tJ; z...- I, I 1.,,.- I ..,. .-.. - ... J ..., J.5" ~ [}/5 I !>"J, 

I I I I I 

I ( VlD':' )1 I I I I 

I I I I I I I 

10= (:Jv IVm=V.(,~t. ::'1"r-1 1 I I I I 

Integrated Gas Sampling Data: 

Box No. ~u' ,~ Leak Rate l cc/min 

Bag r'-Jo. I 02 Reading 

/i_lJ~,A,...j __ at 15 in Hg 

.I, 

fI~oisture RecDverv Data' 

Impinger , 1 I 2 3 

Final wt, 9 I ;' i.<';;- I r ZC L/ 

Bag Vol. "I' 02 Analyzer No. lnitia!wt., 9 I 100 I 100 0 

Difierenc8 I 1":<7;;- ! "2 " I i~ I 

RUN€ '( 

Pro~e Filter I Impinger i\~eter 

f Outlet Inlet 

I Sample 

Point 

, i I Sample .1 Iv'.,eter I Orifice. I Sample Time Reading Pressure, Vacuum, 

I ::'T \1m, Cu,Ft I LIE in H20 I in Hg , 

Samp!e I rain 1 emperatures, or: 

; 

fvieter 

Outlet 

7'7 

-... y' / 

I 7"'1 

'7 ,;; 

I <.; 

J'-'> 

7'=-

'/ J 

'J 

/1::., 

71 

I /7 

Oxygen 

Content, 

0' 10 

I 

I /)~, '1 

I 

I 

I 

I 

I 

I 

I 

I 

I 

I 

'[3 

ln~ 

/IS 

I, ~ 

j( G 

;;2';:' 

If '7 

I i 'f 

/ I ':J. Ii -(; 

I 

i 

1 L7 

'LU 

Ilm-i7. ".t I 

4 

! 

!vieter 

Outlet 

, Desiccant lotal 

'/"";/<' 

,. I C>!>"'Zl 

i / -~ i ' .. :--::: 

6<.G (Cp G 

Oxygen 

Content. 

i (e; n v ) I ( '" 'r.':;' , ''''IL. I I ~--~~~~5~~I~c~~-~~:,.~~~~~I~~i-'~·/'-Jr-""-,'·~7·--+1~2~~-~.~5---r~T7~~-'~'-+-~<'l--+-~~--~----~1\7 

10 I,,; '1 CoS Ii. 7 i-i -;" I :"n I t. c.' 

1.:0."- '3 7 7 '$ ! b 

2 

3 r-~~~--~15~-+I/~;c~,u~'-,~~."~~-~I~i~.~7~1r-~~~,.~~,,~-·-+-IZ~5~~~)-' ~~~~~--~~+-~~--+-~~--r-----~/r7 " 7~1 , .. ~ .. '7 "'( 7 / 

2.; f "-/ .I C;-o I .., -; 

4 

5 

20 Itq~':7' I'T I '-/Y 2::::; l(j-,':- ~--::-~--~25:--f.~?i/"-'c '::-Z-. ";;2..:-",,-,1-I--',-i ,"'_"'1 --~-'1'" ,-,:-;::;:--+-~;:;?=,:::>-"?=:--,,'---r-:"'-':::~~--'7---+--,,-'---+--"--,--~-----j( ; (;,. 2 Sf -/~/ 5\f I 7 7 

2-'>5'- .:f7 ?:-/ I '/k> 

6 

7 

8 

9 

10 

11 

12 

30 J S' .-; JU 7' 

~==~~==~===~35~==~~~:~~~~~=:~=~==~==~~==~=~;~;~~~~:)==~=~~~~=~===::~=~==!~~==t~==~===~=====~I; , v, f----':--~--'-40::----+_+'_~+_''_+_-'_::'--_+_--''7_-+_.::;<.~s'''=5·:_· --+-~"';:",..-4--=:""!--+-~---+-::!:~'--_+_-----I i if ~~~-;_~45:--+~~~~~~ __ -r_~ __ +-2.?~,>~-~I __ +-~~-; __ ~~-+ __ ~'---+~~ __ -r ____ --;f,~. 

~~7-~ __ ~50~-+~~~r+-+-+~-r-:-~ __ ~'~~~S~-~' __ +-~~~-'-~'---+ __ ~~-+~~ __ -r ____ --;il~ ~~7-~ __ ~55~-+~~~~~~~-r~~_~~2LS~/~· --~~~~--~~-+~~~-+~~---r------;111 f--~~~ __ ~50:---+~~~-+~~ __ _+_ __ ,----~;~:,~'-~0:--~~~ __ ~~~~+-~~ __ +-~ ____ r-____ ~il ~ 

• 0::..)-1 5' 2. .<1 I 7 'T 

'7 ~:.--"'G.. .:, (;, \-- / / 7 

?5 '-" c I Sf '7 7 I 2 5 7 .;.,"Z fsl 7 7 I 

»7,7 (',;"1- >5-7 7 / I 

.2J7' (>;D (s"L 7 7 I 

Z.>"5 ..0:> /r <: 7 ? 

7!,1<::'-·.t:;.~ ! ;.~ I ~-, ~; 

-;L\~·. r..:«"2.. I i • ., I $.-~ , ~ ~ 

'--1/1.. ....... ~- i. .., 

f I .s' ~ 

1/1, "') I (, ~ S " 

-; t( • IS j, ~ I <:> 

'71..'7. ;, 1 I ,,'1- I j' ~. 

i ,;.-f '1 ., ( , '7 [ 

(j", '"-0 I 

I 

I I ImIntegrated Gas SAmpling Data: 

Box No. (V 1-' Leak Rate, cc/min :....(1;_' .,.J:: __ at 15 in Hg 

Bag No, , I 02 Reading 

Moisture Roroverv ~~ Data' 

Imoinoer I 1 I 2 3 4 Desiccant Total 

Final wI.. C) I ! ..... "". ! i! ~.i l. j J DO 

Bag Vol. \~, 02 Analyzer No, ,J.. --'''---- Initial wI., 9 , 100 , 100 0 i·cot It;, 

Difierence I _'fLU I / i. Z. I /1.- Ill.. 

I 

I 

, 

EPA METHOD 4 

FIELD DATA SHEET 

Project ·T'J7<.. \ eM L SM _I _ P ~ 'J ,} . /' Sample Train Leak Rate (cfm) 

Sample Location f:"'" '" CL ~. Sf; Lic Meter', j, UJ 77 Bar. Press . ..L"c, c r ~ in Hg Pretest 0. C;. at 1~ in Hg 

Date ill (00, Test __ /_ Run I s. Orifice "H@ /,01'7 '2 V Postiest C), U at C·; in Hg 

Operators 'j)~kl o,l!e . Err. Probe Length __ ft Liner Type: ~GlaSs 03.S. []Other ____ _ 

RUN 6'~ ( 

Sample Sample I Meter I Orifice I Sample Sample I rain I emoeratures. OF 

Point Time Reading Pressure, Vacuum, Probe I Filler Impinger Meter 

£11 Vm. Cu.Fi LlH In H2O in Hg Outlet Inlet 

(0<gDC )1 ({,{f,!".'{,) 1 I 1 5 1",'10 &1 I • "1 "1.;- I Zr.> I ..., z. ( I ?> L -1'::'-

2 10 lu'i'1,«; i" '? "L' J ~sY I 2-'11 I -;j '75 

3 15 Ir_i~. V", 7 '" - I Z.;~-'=- -z >t .. -;::, I V, 71 4 20 1G~2,i) , ., ., I Z53- I 'Z.:j--O I .... t7 7~ 

5 25 :.S;-j- 7..> I 7- 1,0 .. 

. .., I 'J. '>'-7_ I 1...S( !.f4 ,e-, 6 30 7~ .;''::/ '7« '/' 7 3·:5 ;;!:> P I ;;2.S'1 ?''t Y;-v 

7 I 35 I ,'7 2'') ",;,i I z::>v :)''J "lrl 

8 J 40 (;, <.02, i. 2. I /. I ;.:::- ?'?G:- I 0 ') l.P ~L 2"1 9 45 (;;:7/ I /. .~.~~ ;;Z ~ I ZS 7;1, I C,"'; ~( 

·10 I 50 !: 70.1,17. I /.7 ~.;;- Z S ,.;;.._. 25>~ I C~ <:- ~z.. 

11 I 55 kii'C/, I I f .... I .!, S- I z:,--:s '2 :; 'f 0'-1 I .,;' 'z.. 

12 I 50 If· '),-;i· tJ; l...- I, I 1.' ,- I ..,. .-.. - ... J ..., J.$" .,,;.- &--:; I !>"], 

I I I I I 

I ( Vlb':' )1 I I I I 

I I I I I I I 

10-= (:Jv IVm=V.(,~t. ::'1"r-1 \ I I 1 I 

Integrated Gas Sampling Data: 

Box No. ~u' ,~ Leak Rate l cc/min 

Bag r'-Jo, I 02 Reading 

.Ii_lJ.."A,....I __ at 15 in Hg 

.I. 

fI~oisture RecDverv Data' 

Impinger I 1 I 2 3 

Final wi., 9 I } " ; ... -: .;? I r ZC L/ 

Bag Vol. "I' 02 Analyzer No. lnitia!wt., 9 I 100 1 100 0 

Difierenc8 I 1":<7;;- ! '2 .' I i~ I 

RUN€ '( 

I Sample 

Point 

, i I Sample .1 Iv'.,eter I Orifice. I Sample 

Time Reading Pressure. Vacuum, 

I ::'T Vm, Cu.Ft I LIE in H20 I in Hg , 

Samp!e I rain 1 emperatures, or: 

Filter I Impinger i\~eter 

f Outlet Inlet 

Pro~e 

; 

fvieter 

Outlet 

7'7 

...... y' / 

I 7"'1 

'7 -::; 

'7 <; 

Ie;, 

'7 \:. 

"7 J 

'J ~ 

/1::., "', I /7 

Oxygen 

Content, 

0' 10 

1 

I .' )~, '1 

I 

I 

I 

I 

I 

I 

I 

I 

I 

I 

'[3 

ln~ 

/IS 

I, ~ 

j( G 

;;2';:' 

If '7 

I i 'f 

/ I ':J. Ii "(; 

I 

i 

1 L7 

'LU 

Ilm-i7, ".t I 

4 

! 

!vieter 

Outlet 

I Desiccant lotal 

1/"";/<, 

1', C>!>-"Zl 

i / -~ i ' .. :--::: 

6<.G (Cp G 

Oxygen 

Content. 

i (e; n v ) I ( '" 1.''; , '-"IL. I I ~--~~~~5~~I~C~~-~~:',~~-~~I~~i-.~·/r-Ir---'~·~~·--+1-2-~-~.~5--~--r-~~~-=~+--=~--+-~---r-----~1\7 

r-~~~---710~-~II;~1~C~t~,7S~I--+/~,~7r-r-~~I~'~{'~'-+I~~~>~1---r~~,-~~~~+-~~--~~~--r-----~/t~' 

1..:0."- '3 7 7 '$ ! b 

2 " 7~1 , .. ~ .. '7 "'( 7 / 

r-~~~ __ -715~-+I/~;C~'U~'~,~~."~~_+-I-+i~,~7~1r-2~7··~7"'-·_~ IZ~5~~~)_' -r~~~~ __ ~~+-~~ __ ~~~ __ r-____ -1lr7 

20 Itq~':7' I'T I '-/Y 2::::; 1 (j-,,-, 1------c:__~-_::.25:__-+~.!.../=-c ""Z"". ",,2.'7'-;;:..+-I~i '-:-:-' ---'1--_'1.!..' ·-'--;::;-'-+-::::;:;?L.:>'";;:'-'" __ ~-=--"-''--~ __ ..:."...-'=--+--'''--'-_+-'-''' ____ I--____ ~I'' ; {;,. 

30 2 5 .:.. Iii '! , r-~~~---::'35:---+~~~-r~~7--r--~--+-~;~;~~~~~)--r-~~~--~~~--~~-+~~---r------;1' , v 

r--::--~_-.:.40~-+-+"+'-+'-+ __ '-'-::'--+~7-..,--+-..::;<'~S",:5·,,-" --r-~-:=:-:',,--j--:::'~-+-~---+-=,-:::,,'---+-----I i if' 1--~~-1 __ ~45:__-+~~~~---'~ __ -r __ ~ __ +-~.?~,>~'~I __ r-~~~ __ ~~-+ __ ~~-+~~ __ -r ____ --;f,~. 

1--~~-1 __ -::.50:---+~~~r+-+~~-+ __ ~ __ ~,~~~s:--~' __ r-~~~~~~-+ __ ~~-+~~ __ -+ ____ --;il~ 

r--.:.~~ __ -::.55:---+~~~~~~~-r~~ __ +-~2~S~/,,-· --~~~~--~~~~~~-+~~---+------;111 r-~~-+--~5~0 __ ~'-~~+-~~~ __ ~ __ 4-~~~~~0L--r~~ __ +-~~~~~ __ -+~~ __ 1-____ ~i/~ 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

2" f <-I .I C;-o I -'1 -; 

2 Sf {~/ 5\f I 7 7 

2-'>5'- .:f7 ?:'/ I '/k> 

• 0::..)-1 5' 2. .<1 I 7 ., '7 ~:.--"'G.. .:, (;, \-- / / 7 

?5 '-'- c I (.r! '7 7 I 

2 5 7 Y(, fsl 7 7 I 

»7,7 (',;"1- ~Z 7 / I 

.2,J't' r>;D (s"L 7 7 I 

2..>"5 ..0:> /r '( 7 ? 

7!,1<::'-·.t:;.~ ! ;.~ I ~-. ~; 

-;L\~·. r..:«"2.. I i , ., I $.-~ . ~ ~ 

'--1/1.. ....... ~- i. '1 I ,S. f ~ 

1/'), <.i) I (. ~ S " 

-> t( , IS J, ~ I ,,- :> 

ns-';, 1 I ','!- I j' ~. 

i ,;.-f '1 ., ( , '7 [ 

(i,-, '"-D I 

I 

0-= 60 Vm='..j;:;.1'l IsH=/. j I I ImIntegrated Gas SAmpling Data: 

Box No, (VI,' Leak Rate, cc/min :..;(1;_' ,J:: __ at 15 in Hg 

Bag No. . I 02 Reading 

Moisture Reroverv Data' - Imoinoer I 1 I 2 3 4 Desiccant Total 

Final wt.. C) I ! ..... "". ! i! ~.i l. j J DO 

Bag Vol. \~. 02 Analyzer No. "J... -.-:==---- Initialwt.. 9 I 100 I 100 0 i·cd It;, 

Difierence I 'tU I / "I.. t.. I /1- Ill. 

I 

I 

, 
EPA METHOD 4 

FIELD DATA SHEET 

Project (tV\. i ~ i eM (,;, SM l P S Sample Train Leak Rate (cfm) 

Sample Location 0 ,,,,,c ... C-<.. SiuL-!c C-- Mete-;Y-i,oo?C{ Bar. Press.7'6, I:) in Hg Pretest 0, <.J :, at 15 in Hg 

Date Yh(c>'i Te5t __ '_ Run--L OrificetlH@ (,{;'1 tr Posttest~ atlinHg 

Operaiors 7ftfl IDS /<... Eff. Probe Length ~ ft Liner Type: 0,Glass 0 S.S. 0 Other ____ _ 

RUrti 

Sample 

I 

Sample Meier Orifice I Sam~le Sample I rain Temperatures. OF 

Point Time Reading Pressure 1 Vacuum, Probe ;:mer Impinger I rdeier Meter ::'1 Vm, Cu,;:t LIB in H2O in Hg Outlet Inlet Outlet 

I (it)~ ) (jiq n) I I ~ 

1 I 5 .... :;:{. 'i i 1 I ) . ..) t:.!:> 1<- '2..5:> 3'<: I 7J I f.. 

2 I 10 7 ~I r2l /.7 ;'> -. -.; '?.S;S- '< ::,y '3 '7 I 77 7",· 

3 I 15 7 lit c- v I 7 I ., ( '1-,) (,. '1-..)~ ""tv I '7"1', I 7',;'"" 

4 20 'F;:""1:S, ('17 /.1 5r"":: 2;;":)" 2.s;-t.; . .-j ! 1° . " I 7'7 

5 25 'l cl7.5l... ,,1 .('.> 2, .. ",>::;' '2.. ':::'\,.0 Lj"l.. 6 0 I y,; 

6 30 ., ~""<\' 'I, 1 I )',"" ',) t;)' 1'2..6"-!- .:-{ ::; s...,; I l_b 

7 35 ,<'-1,0;(0 /,1 5,';- I '1.5 't I ),5; vi \.. <;(, 7<'::' 

8 I 40 "7~:u.;?{1 '·1 ~.,,- \ ;- '::-. :: \ 2-,$-<:; l..{f., <;'2...- 7(" 

9 I 45 I7G1./~.1 I. q <-.-;- ,J' .I 2<.,::S I 2..>b ,''/ '7 Vi '/7 

10 I 50 h(c';"'."" ";-\ !f I \'"'. ,~ 17 _,--- I z. 5-; I Jl1 I .5;1 -no 

11 1 55 17(::>", 'i'e I /,7 :):' I 2Y1 11..) ) ':":> { I tf.~7 .Il:-

12 I 60 1'1"7" l.~ /,/ ';' I 2SS:- 1 w"::' ,- 'Z I c;--z .'" , 7 

I I I I 1(( , ;, ':. )1 I I 

I I I I 

19'= \. \) IVm"'i'i,\.r 1!lT"r= (. f I I I,mIntegrated Gas Sampling Data: 

Box No. f'I" Leak Rate, cc/min jJ'fJ.. at 15 in Hg 

Bag No. ( 02 Reading --;-,---

rvloisture Recoverv Data" 

Impinger I 1 I 2 I 3 I 4 

Final wt.. 9 I i 70- I f -L () I '1 I 

Bag Vol.... 02 Analyzer No. _J, __ _ Initialwt.. 9 I 100 I 100 I 0 I 

Difference I ~i t.,:: ! "7 <J I u , , I 

RUN 2 

Samf)le I Sample I Meter Orifi::;e I Sam~le 

Point Ti~e Reading I Pressure, I Vacuum, 

I "I Vm, CU.Fi ..lH in H20 in Hg 

Sample ! rain I emperatures. cr: 

Filter IlmPinger 

Outlet 

)\ ( 

5 

10 

15 

20 

25 

6 30 

j I 

i 7 I 35 I 1 

8 i 40 I I I 

9 I 45 

10 I 50 I I 

11 J 55 I 

12 I 60 

I I 

I< )1 

I 1 I I I 

19'= IVm- Itm= I InnIntegrated Gas Sampling Data: Moisture Rocovery Data' - Box No. Leak Raie, cc/min ____ at 15 in Hg Impinoer 1 I 2 3 I 4 

Bag No. 02 Reading Final wI.. 9 , I 

Bag Vol. 02 Analyzer No. Inilialwt., 9 100 100 0 I 

Difference I I 

I 

I 

I 

I 

1 

I 

I 

I 

1 

I 

i 

\ 

I 

I 

I 

I 

Oxygen 

Content, 

% 

Desiccant 

1 (fi, 

i()CiI 

I \; , 

Oxygen 

Content, 

I 

i 

i 

Desiccant I 

(17 

f I q, 

j' "Y if'S 

I I :.:> 

i { -:t 

i ; <:? 

IIi 

! , """';. 

/('1 

If't· 

if ~ 

I Dial 

I , u 

Total 

I 

I 

i 

EPA METHOD 4 

FIELD DATA SHEET 

Project (tV\. i ~ i eM (,;, SM l P S Sample Train Leak Rate (cfm) 

Sample Location 0 ,,,,,c ... C-<.. SiuL-!c C-- Mete-;Y-i,oo?C{ Bar. Press.7'6, I:) in Hg Pretest 0, <.J :, at 15 in Hg 

Date Yh(c>'i Te5t __ '_ Run--L OrificetlH@ (,{;'1 tr Posttest~ atlinHg 

Operaiors 7ftfl IDS /<... Eff. Probe Length ~ ft Liner Type: 0.Glass 0 S.S. 0 Other ____ _ 

RUrti 

Sample 

I 

Sample Meier Orifice I Sam~le Sample I rain Temperatures. OF 

Point Time Reading Pressure 1 Vacuum, Probe ;:mer Impinger I rdeier Meter ::'1 Vm, Cu.;:t LIB in H2O in Hg Outlet Inlet Outlet 

I (it)~ ) (jiq n) I I ~ 

1 I 5 .... :;:{. 'i i 1 I ) . ..) t:.!:> 1<- '2..5:> 3'<: I 7J I f.. 

2 10 7 ~I r2l /.7 I ;'> -. -.; '?.S;S- '< ::,y '3 '7 I 77 7",· 

3 I 15 7 lit c- v I 7 I ., ( '1-,) (,. '1-..)~ ""tv I '7"1', I 7',;'"" 

4 20 . F7""1:S, ('17 /.1 I 5r"":: 2;;":)" 2.s;-t.; . .-j ! 1° . " 7'7 

5 25 'l cl7.51.. ,,1 I . C,) 2, .. ",>::;' '2.. ':::'\,.0 U"l.. 6 0 I y,; 

6 30 ., ~"'.<\' 'I, 1 I )',"" '.) -;- 1'2..6"-!- It::; s...,; I II-, 

7 35 ,<'-1,0;(0 /,1 5,';- I '1.5 't )·5; vi \.. <;(, 7<'::' 

8 I 40 "7~:u.;?{1 '·1 ~.,,- \ ;- '::-. :: 2-.s-<:; l..{f., <;'2...- 7(" 

9 I 45 I7G1.1;1. I. q <-.-;- ,J' .I 2<.,.:S I 2..>b .''/ '7 Vi '/7 

10 I 50 h(c';"""" "r- !f I \'"'. ,~ 17 _,--- Z. S-j I Jl1 I .!s:1 -no 

11 I 55 17(::>". 'i'e I /,7 :):' I 2:5"1 1..) ) ':":> { tf.~7 JG 

12 60 1'1"7" l.~ /,/ ';. I 2SS:- I w"::' ,- 'Z I c;--z .'" , 7 

I I I 1(( , ;, ':. ) I I 

I \ I 

9'= \. \) IVm"'i'i,\.r 1!lT"r= (. f I I I,mIntegrated Gas Sampling Data: 

Box No. f'I" Leak Rate, cc/min jJ'fJ.. at 15 in Hg 

Bag No. ( 02 Reading --;-,---

rvloisture Recoverv Data" 

Impinger I 1 I 2 I 3 I 4 

Final wt.. 9 I i 70- I f -L () I '1 I 

Bag Vol.... 02 Analyzer No. _J, __ _ Initialwt.. 9 I 100 I 100 I 0 I 

Difference I ~i t.,:: ! "7 <J I u , , , 

RUN 2 

Samf)le I Sample I Meter Orifi::;e I 

Point Ti~e Reading I Pressure, I I "I Vm, CU.Fi ..lH in H20 in Hg 

Sample ! rain I emperatures. cr: 

Filter IlmPinger 

Outlet 

)\ ( 

5 

10 

15 

20 

25 

6 30 

j , 

i 7 I 35 I I I 

8 i 40 I I I 

9 I 45 I I 

10 I 50 I 1 

11 J 55 I 

12 I 60 

I I 

I< )1 

I I I I I 

19'= IVm- Itm= I InnIntegrated Gas Sampling Data: Moisture Rocovery Data' - Box No. Leak Raie, cc/min ____ at 15 in Hg Impinoer 1 I 2 3 I 4 

Bag No. 02 Reading Final wI.. 9 , I 

Bag Vol. 02 Analyzer No. Inilialwt., 9 100 100 0 I 

Difference I I 

I 

I 

I 

I 

I 

I 

i 

I 

I 

I 

I 

I 

I 

Oxygen 

Content, 

% 

Desiccant 

1 (fi, 

i()CiI 

I \; , 

Oxygen 

Content, 

I 

i 

i 

Desiccant I 

(17 

f I q, 

j' "Y if'S 

I I :.:> 

I { -:t 

i ;~ 

IIi 

! , """';. 

/('1 

If -t. 

if ~ 

I Dial 

I , u 

Total 

I 

I 

i 
ArcelorMitlal 

Minorca Mine 

Virginia, MN 

Barr Engineering Co. 

April 23, 2009 

RESULTS OF STACK MOISTURE DETERMINATIONS 

Furnace Stack C 

Test Date: April 2, 2009 

Meter Orifice 

l\H, 

RUN 1 (0800-0900) .·.----------"RUN 2 (920-1020) RUN 3 (1035-1135) 

Stack Impinger Meter' Meter M;t;;·-- Orifice Stack Impinger Meter Meter Meter Orifice Stack Impinger Meter Meter 

Volume 

Vm, W Temp. Temp. Inlet Outlet Volume l\H, Temp. Temp. Inlet Outlet Volume l\H, Temp. Temp. Inlet Outlet 

in H20 Ts, of (oF) (oF) ("F) VI11, W in H20 Ts, of (oF) ("F) (oF) Vm. no in H20 Ts, of (oF) (oF) (oF) 

636.80 -----683.03 729.10 

1.7 118 32 75 74 ---- -1-.7-1-'-·'1..,-19".--I---=-37=--1--""7"'8---t----,7::":6,---I--"--+---:'1-=.7,..--t-----,1"""1"'"7-t---.".38,,---I--""'7""7--t-----,7::-:6,----I 

---1T~ ---118----37--- ----75· -- --- -74-- -.~- - ---1:1--- .. --i2O'- . -- -3-8- - -79 ·----f7 -- --------. -~-1~r--- . --118 ---''''39-'-----77- -- . 76-

I ___ ~~I.-~J;~-= =-~l~=~~- ~l'-~ =.3E-~~~:1t=-~ =-=_== ~_jI== ~=I~t~= ~=~li=~ ~~~~I_~ ~~=iE-~ --==~ ~_~'l~-~~ =~~i~= =-:~ . ~_ ir-~ ~=~i~ _ 1.7 120 49 79 75 1.7 '118 47 81 76 1.7 118 42 80 81 ---1-:-i---119--- ----54--- ----SO-- ---i5·-----··--·----1.7 --119"- ---52--- iFl- -77 - -----~---1:r--fiy---4~ ·--80"~~---ro1 ___ ~ __ I---J·7 . =-=1.1~ ___ ~= - 5~ __ - ~C=~ ==I6~=~~~~:= ---12=: =~,}ff= =---56'::::= ___ .§.1 ___ "=!L~ ==:=_==_1..7--= -118-- ---~-___ §.L_-= =_~6 1.7 118 62 81 76 1.7 '119 61 81 77 1.7 117 46 82 76 

1 _____ I-TT --=:}18 -= ~ 64= _ sf::=:: :::==7~=-=- =:~:===:: -::.::~:1·L"::: =:..:d~= ~:::=:_~~:::::: ~=-'81-:::::::- if:.:::: === :::::::]].=.= __ 117 - 47 __ ~ __ .El_1__ __lJ_. 

'1. 7 119 65 82 76 1 .7 '119 62 82 77 1.7 119 49 81 76 Tj-----126·-- --~- -~8T----7y-- . --iT-- --:i17-----GO------82--~·~ --.--------1.'7'-- ---118- -51-~ -----S2--- ---~ 

682:'62-- ---1T--~------- --~- ---83-- ... ---77 - .- --i28~7T---iT' --:119-- 58" - -~8T--· -~-- --773.25---1.7- --1-1-8- --·-52---- ---82-----77--

Total Average Average Average Averag-;;- -fatal Average Average Average Average Total Avera ,qe I Average 

Meter Orifice Stack Impinger Meter Meter Orifice Stack Impinger Meter Meter Ori 

Volume l\H, Temp. Temp. Temp. Volume l\H, Temp. Temp. Temp. Volume f\, 

Vol, flO in H20 (OF) (OF) (OF) VI11, fl" in H20 (OF) (OF) (OF) Vm, no in . 

'ice I Stack 

H, Temp. 

H·,O I (OF) 

Impinger 

45.82 1.70 I 119 53 77.'12~. 4:'.74 L.:!.~~. '119 I 52 '-- 78.79 44.15 I 

Moisture Recovery Data: Moisture Recovery Data: •• 

2 I 3 I Dcslcca.;tr Total In;-;;T;~g;'r-'---:1I 2 I 3 

.7 117 

IVIUI::ilUIl:! f'\l:!covery Data: 

Deslccont -r Total limpinger I 1 I 2 3 Desiccant I Total 

~ IFinal I 176 I 120 4 1101 

I'~;,;~' I 100 I 100 0 1091 

IL , IlL IUIII. , IU , 20 4 10 I 110 

Final 165 I 128 4 I 1093 I Final I 180 I 118 2 

Initial T 100 I 100 0 I 1080 I Initial I 100 I 100 0 'vvv 1"''''<'' I " 

DifL J 65 I 28 4 L 13,±_ '110 DifL J 80 I 18 2 .~ •• ~ ~'" ~~ I 

Standard Meter Volume Moisture Cont~nt (%-;;'v) "'-Sl~--;:;;jard Meter Volume MOisture Content (%vlv) I Standard Meter Volume Moisture Content (%vlv) 

42.88 10.77 42.69 10,99 41.26 11.15 

Barometric Pressure (in Hg) 28.15 I 

Meter Coefficient 1.0079 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x «Pbar +(l\H/13.6»ffmr) 

Average Moisture Content of Stack Gas 

Me = «.04707 x Vwc)/«.04707 x Vwc) + (Vlllstd)) x 100 

Barometric Pressure (in I-Ig) 28.15 

Meter Coefficient 1.0079 

Vm 

Y 

Pbar 

I\H 

£Vleter Volume 

Meter Coefficient 

Barametric Pressure 

Orifice delta H 

Tmr 

Vmstd 

MC 

Vwc 

Average Meter Temperature in Rankins (OF + 460) 

Meter Volume at Standard Conditions 

Moisture Content, % 

Moisture Recovered from impingers 

ArcelorMitlal 

Minorca Mine 

Virginia, MN 

Barr Engineering Co. 

April 23, 2009 

Meter 

Volume 

Vm. W 

Orifice 

"-H. 

in H,O 

RESULTS OF STACK MOISTURE DETERMINATIONS 

Furnace Stack C 

Test Date: April 2, 2009 

Orifice 

"-H. 

in H20 

RUN 3 (1035-1135) 

Stack Impinger 

Temp. Temp. 

Ts. of (oF) 

Meter 

Inlet 

MeIer 

Outlet 

(oF) 

______ .1 .. _7 ___ J.~ __ ~ _____ 8_1. _________ 75__ __________ __ .1.·L _ _______ I..!~ _____ 6_~_. ____ ..JD.____7!.. _____________ 1,2. _____ 11_7_ ~ _____ .El_1__ __lJ_. 

-I. 7 119 65 82 76 1 .7 '119 62 82 77 1.7 119 49 81 76 -------Tj-----12o--- --~- --sT----::;y-- . --iT-- --fi7-----GO------Tz-------=n-- ----------1:7'-- ---118- -51--------82--- ---~ 

682.'62-- ---1T----------- --~- ---S3-- ---i7 - --i28~7T--TY-- --:11'9-- 58 - --82---- ---=n-- --Y73.25---1X- --1-1-8 - ----52---- ---82------'ii--

Total Average Average Average AVe~g-;;-- -fatal Average Average Average Average Total Average Average Average Average 

Meter Orifice Stack Impinger Meter Meter Orifice Stack Impinger Meter Meter Orifice Stack Impinger Meter 

Volume "-H. Temp. Temp. Temp. Volume "-H. Temp. Temp. Temp. Volume "-H. Temp. Temp. Temp. 

Vm. It" in H2O (OF) (OF) (OF) VI11. fI" in H20 (OF) (OF) (OF) Vol. It" in H (OF) (OF) 2O (OF) 

45.82 1.70 119 53 77.'12 4:'.74 1.7 '119 52 78.79 44.15 1.7 117 45 78.13 

Moisture Recovery Data: ------~ ---M()isture Recovery Data: 

2 3 Desiccant Total ImpT;~g;·r-'r---·~I--T:.;;.:.::..:.::;2..::....:..=;;:::..;.~3,..:::.;;;.;;;;:.-----.--=-.,....,.-lf,--:----,r--,.---:;.:.:.=::-=-.:..:.:::;::.::.:.::.;.~=:;:----'r--=-'-~ Impinger 

Moisture Recovery Data: 

Deslccont Total Impinger 2 3 Desiccant Total 

Final 165 128 4 1093 Final 180 118 2 1108 Final 176 120 4 1101 

1096 Initial 100 100 0 1091 

12 112 Dill. 76 20 4 10 110 

Initial 100 100 0 1080 Initial 100 100 0 

DilL 65 28 4 13 .. ...,. _'110 Dill. '----+--';8'"'0::-+--:-::1'i8'--+--;;2:---t-.:..:;:;:;=--+-::7.';---b:::;;::"----t---':~-j--';;;:;;:--II----::---t-~;-:--+--:;:;;0;----1 

Standard Meter Volume Moisture Content '(o/;vlv) "'-Sl~~jard Meter Volume MOisture Content (%vlv) Standard Meter Volume Moisture Content (%vlv) 

42.88 10.77 42.69 10.99 41.26 11.15 

Barometric Pressure (in Hg) 28.15 I 

Meter Coefficient 1.0079 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x «Pbar +("-H/13.6»lTmr) 

Average Moisture Content 01 Stack Gas 

Me = «.04707 x Vwc)/«.04707 x Vwc) + (Vrnstd)) x 100 

Barometric Pressure (in I-Ig) 28.15 I Barometric Pressure (in Hg) 28.15 I 

Meter Coefficien;.;.t _--I.,;.....1;.;..0;..0..;7.:9--11 ________ --''--____ M_e;..te_r_C;;.0;;.e;..f;..lic;;.i_en;..t'--_-'-_1 . ..;0_0;..79'---'-______ --I 

Vm 

Y 

Pbar 

I\H 

£Vleter Volume 

Meter Coefficient 

Barametric Pressure 

Orifice delta H 

Tmr 

Vmstd 

MC 

Vwc 

Average Meter Temperature in Rankins (OF + 460) 

Meter Volume at Standard Conditions 

Moisture Content. % 

Moisture Recovered Irom impingers 
ArcelorMittal 

Furnace Stack C 

Virginia, MN 

PortA 

Port B 

~~"-.~-~~--- ---

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

---------

Max read % diff from avg 

Min read % diff from avg 

1 

2 

3 

4 

5 

6 

1 

2 

3 

4 

5 

6 

EPA Method 7E (3 Pt) 

Stratification test 

NOx 

213.6 

213.3 

216.7 

214.6 

216.7 

213.3 

2.1 

1.2 

1.00 

0.58 

If < 5 percent sample from mean point in stack 

If> 5 and < 10 pick 3 points 16.7, 50 1n 83.7 

If >1 o perform 12 points 60n each traverse • 

Barr Engineering Co. 

August 27,2010 

02 

18.86 

18.89 

18.88 

18.88 

18.89 

18.86 

0.01 

0.02 

0.05 

0.08 

ArcelorMittal 

Furnace Stack C 

Virginia, MN 

PortA 

Port B 

~~"-.~-~~--- ---

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

---------

Max read % diff from avg 

Min read % diff from avg 

1 

2 

3 

4 

5 

6 

1 

2 

3 

4 

5 

6 

EPA Method 7E (3 Pt) 

Stratification test 

NOx 

213.6 

213.3 

216.7 

214.6 

216.7 

213.3 

2.1 

1.2 

1.00 

0.58 

If < 5 percent sample from mean point in stack 

If> 5 and < 10 pick 3 points 16.7, 50 1n 83.7 

If >1 o perform 12 points 60n each traverse 

Barr Engineering Co. 

August 27,2010 

02 

18.86 

18.89 

18.88 

18.88 

18.89 

18.86 

0.01 

0.02 

0.05 

0.08 
Project 

Sample Location fV {~<.Q_- ..:;;tz<-~-D 

Date i (-l (~~ ...:...:...~.,..:--=-c--

Operators Th-le ( i---:/-:) f:-

Duct Dimensions /0; inches --'--=---

Port Length &-_ v inches --"'----

Pitot Tube No. )...; Cp C ~ Y 

Manometer 10 C-\p Bar. 10 ~A-' D5t 

Dig1:8! Them, tD [-i.e T.C.!D __ _ 

EPA METHOD 2 

FIELD DATA SHEET 

-'1 ( tJ. :.: 

Pitot Leak Check !'::''')5o:ltive: . c:J .~ 1e..·1;> c) .• ' 

Run 4 

01'Y 

Negative: r) C 

Traverse Point Information I Cyclonic I Velocity Head -Inches H,D Stack Temperature - of 

f--.-=P-=:':oin"':":'t .::.:...:...:r-:-=In:":';c"':":'he~s F~ro=m-' -{I -Flow I Run 1 I Run 2 I Run 31 Run <'. I Run 1 I Run 2 I Run 3 I Run 4 

I 1 

I I 

Number Wall Port I ",-0 ~P 1 LIP 1 ~P ~P I Temp. Temo. I Temp. Temp_ 

/'1 ; I I -, o .l() 1°'0'7 IO,011 I I 

2 I I '2-- o.lRlo.Tr ID, 7'f I I I -, I I 0 ().1~ 10,11 10."77 ;; 1 1 1 I 

y' I 1 

.f-... OJ 7'J 10. 7l I O,~ I I I I 

,5- I I -t.., 0·7' It I), 1'(, If) t , 7\ 1 I I I 

j:, I I -:3 1(\ ~~ IV,(,~I{)'6~ 1 1 I I 

i) r I I ,0 I u \ ~?---I o,G-l b.0"'> I I I I 

I 1 

r-o. b.i.,'6' 16,7 u I (),0? I I I I ., 

, t) 

-> 1 I I 0 o ·l '2-1 D.":; 10,1 "2--1 I I I I 

\..- I I I l~ O.~'I 10(11 10, J1 I I 1 I I .~ 

1 I I ~ 10, ~~ IO.'lC1 lo.~") I I 1 1 1 .) 1,../ 

,-I ~ ! "',7-" ! , 

. ;');"'-':~:i~~ -;: '.'::"-;-; ';-1 Run 1 I Run 2 I Run 3 I Run 4 

Stack Pres. - In Hq I I I 1 

Duct Area· So F!. I I I I 

lviole Weiaht • Md I I I I 

1,I,ole Vveiqht • Ms I I I I 

Ava. Temp .• OF I I I I Average~ I I I I 

Gas Vel· FUSee I I I I 

ACFM I I I I 

SCFM I I I I 

DSCFII! I I I I 

Schematic of Duct Cross·Section 

Project 

Sample Location fV {~<.Q_- ..:;;tz<-~-D 

Date i (-l (~~ ...:...:...~.,..:--=-c--

Operators Th-le ( i---:/-:) f:-

Duct Dimensions /0; inches --'--=---

Port Length &-_ v inches --"'----

EPA METHOD 2 

FIELD DATA SHEET 

Moist Content - % 

Run 4 

01'Y 

Pitot Tube No. )...; Cp C ~ Y 02% A ~--~--~~~~~~~~~--~ 

Manometer 10 C-\p Bar. 10 ~A-' D5t 

Dig1:8! Them, tD [-i.e T.C.!D __ _ 

I Time of Meas. II j.'-i (.1 I -'1 ( tJ. :.: 

Pitot Leak Check !'::''')5o:ltive: . c:J .~ 1e..·1;> c) .• ' 

Negative: r) C 

Traverse Point Information I Cyclonic I Velocity Head -Inches H,D Stack Temperature - of 

f-.--=P-=:':'oin=t =-.:...:r-:-=ln;':";Ch';';';e':"'::s F::-;ro.:....m-· -{I -Flow I Run 1 I Run 2 I Run 31 Run <'. I Run 1 I Run 2 I Run 3 I Run 4 

I 1 

I I 

Number Wall Port I ",-0 ~P I LIP I ~P ~P I Temp. Temo. I Temp. Temp_ 

/'1 ; I I -, o .l() 1°'0'7 IO,011 I I 

2 I I 't. o.lRlo.T{ ID, 7'f I I I -, I I 0 ().1~ 10,11 10."77 ;; 1 1 1 I 

y' I 1 -'f-.., OJ 7'J 10. 7l I O,~ I I I I 

,5- I I -t.., 0·7' It I), 1'(, If) t , 7\ 1 I I I 

j:, I I -:3 (\ ~~ IV,(,~I{)'6~ 1 1 I I 

i) r I I ,0 I u \ ~?---I o,G-l b.0"'> I I I I 

I 1 

r-o. b.i.,'6' 16,7 u I (),0? I I I I ., 

, t) 

-> 1 I I 0 o ·l '2-1 D.":; 10,1 "2--1 I I I I 

\..- I I I l~ O.~'I 10(11 10, J1 I I 1 I I -~ 

1 I I ~ 10, ~~ IO.'lC1 lo.~") I I 1 1 1 .) 1,../ 

,-I ~ ! "',7-" ! , 

I ;');"'-':~ .--., '-.:~;: "::"j; ;-1 Run 1 I Run 2 I Run 3 I Run 4 

Stack Pres. - In Hq I I I 1 

Duct Area - Sa. F!. I I I I 

lviole Weiaht - Md I I I I 

1,I,ole Vveiaht • Ms I I I I 

Ava. Temo. - OF I I I I Average~ I I I I 

Gas Vel - Ft/See I I I I 

ACFM I I I I 

SCFM I I I I 

DSCFIII I I 1 I 

Schemaiic of Duct Cross-Section 
EPA METHOD 4 

FIELD DATA SHEET 

Project /VI: m \ eM fa SM i P'> Sample Train Leak Rate (cfm) 

Sample Lpcation f:'''''~v!.c("t s,~d( D- Mete;Y- / ~ Bar. Press.'?CU,:> in Hg Pretest 0,0 atl'5-jn Hg (<-

Date Yh/':"r Test __ f_ Run I OrificetlH@ i, 67 ?.f Posttest ,i). C> atS'"inHg 

Operators 7YI {,! 0 .5'1--- Eft. Probe Length~ft LinerType}JGlass 0 S.S. 0 Other ____ _ 

Sample 

I 

Sample Meter 

Point Time Reading 

':;1 Vm. Cu.Ft 

/(,;1..30) (17l Sl' 

1 5 h1· .... II'-I~ 

2 10 '7 'i5i. 11 

3 15 I~~'~ .:/ 

4 20 .., ;~/:O .. l0 'i:' 

5 25 

6 30 '7'11,>,7 () 

7 35 ,0 ;, 

8 40 1~'1'.oS' 

9 I 45 I c.<tl '7. >-::> 

10 I 50 I~il. ") 

11 I 55 I ;;;i:.-, "i 

12 I 60 1':(/7./1 

I I 

I( ''''J}O ) 

I 

19= (; U Vm=.iS.V I 

Integrated Gas Sampling Data: 

Box No. I V 4 Leak Rate, cc/min 

Bag No. f 02 Reading 

Bag Vol. i,f<" 02 Analyzer No. 

Sample 

Point 

S:mple I Meter 

lIme Readmg 

",T I Vm. Cu.Ft 

! 

2 

3 

4 

5 25 I C(A,15~ 

6 

7 

8 

9 

10 50 ;'rs7, <"u 

11 55 ><;"'.~ 

12 60 (ji;(~-, 

( /yl.-j" ) 

Integrated Gas Sampling Data: 

Box No. ;v4 Leak Rate. cclmin 

Bag No. I 02 Reading 

Bag Vol. ~ 02 Analyze, No. 

Orifice Sample 

Pressure. Vacuum. 

!lH in H2O in Hg 

I 'l I Lt, ,;, )~1 I 4.(.,; 

1.1 9; (; 

I , .,' L.f \ I 

;. '1 l..(,o 

I " I '1, ., 

I. -, 1../,;0 

1,7 '1'. ~ 

(, ? '1.(;) 

( .7 L/.O 

/.7 '-'I. v 

f.7 I 'i.O 

I 

.:!i"F !, 1- I 

.:..!JI£.J,....4:.... __ at 15 in Hg 

I 

RUN 1 

Sample I rain Temperatures. OF Oxygen 

Probe Filter I .Impinger Meter I IJleter Content, 

Outlet Inlet Outlet 0' '0 

/ I I 

1£.::.'1 I '?'i."S' 3~ I 7J,- 67 '7 ;:. '1 2';" :.,7 I -,(. .. , '7 '\ 

I ?s-'f /'5 I "1 "'7 7'7 I '7 \-. 

:7-S'" 'J <: 'f I '-iJ 7V I 15 ~ ... ( ~.- Xs;, .1 '4/ I '8' '2. 7, Z~>' 2...:5'.5 I '",,'if: x-o I 7~ 

7,$') 1.. ... ~"> I y, .. ~ I YO I 'l-c I 

;:.".-:s. I 2.;'\.:> I cI'0 I g-z.1 

. - 7(:, 

<.".....s:7> I '(....-::7 I '-f <7 y/ 7(" . ~7 I lSI I :,V I ir"Z 7'" 'I.<:' I l"'Z.:>j- I s;-c YZ 7:;" I 

I 2,YS ;:7.:> :r" '57 'ilZ I 77 I 

I I I 

I I I 

I I I 

I I j7r.,-t1,,Sb I 

llJoisture Recoverv Data' - Impinger I 1 / 2 I 3 I 4 I Desiccant 

Final wt.. 9 I /<iz. / i?~ I t_/ I I 1(!5iG 

Initialwt.. 9 I' 100 / 100 I 0 I / If "i :) 

IDifferenceL _._":- L I '2 " I i-/ I i 1/ 

, I 

,-?' ~:\. L> ~· .... k 

RUI>! 2 

.., , 

pc':; ( 

Orifice 

Pressure, 

::,H in H20 

Sample I rain ! emperatures, cF I 

Filter Imping'3r Meter Meter I 

Sample If--::::-.,..--..,-=:::;;.:=..:..r::-:::.:-:,::::.:.=-r:::::'::::::'':-..:...--r--:-:-:--I 

Vacuum. I probe. I Oxygen 

Content, 

in Hg I Outlet Inlet Outiet % " I ; ! ti- I 

i":"-;' I '7 .~ '/01 ~ 7 7 I 7' .. ~ .5 I '"'.i .:; 7 q I '/ ) ...... I .... ?;- -z, YL. f.;?& I '7 (,- I L j~~;- I ~',= [j/'j!. I ! :7 I 

2::- ,/ I 'S' f ~'? j ! f ;. ) '77 I 

? {"r ! ! c:: '7 \ ..... ...,. I -, c' I J ;1 > / I .. ! 

i....f, -:: I ?;;;,..':> 7.£ , 57 $<~ I S-'- I 

LS .. / .! 5 ;;-- ~ 'l;, );- i I 's'r I 

/. 7 2-5--Y ;;- ,J;-- i" "-( I / t!.) I j. r 2.,,6 S-'-j x'f I i)c I 

/ I Z <j ~- c ~ 5:i..( I 7 ,. 

(17 z :>..-/ r:. '<.. x..> I 7'7 

I 

I I 

I I I 

I 1l"Tn=~o,O 

Moisiure Recovery Data' 

_:"~i!:",-,,fJ __ at 15 in Hg 

I 

.. Impinqer / 1 / 2 3 I 4 I Desiccant 

Final wt.. 9 I I :lG J Z Y L.. L r"'../ 

Initial wt.. 9 / 100 100 0 / /v'i'6 

Difference I ,YC, '-I ~ I L3 

! 

Total I 

i I I ) 

I ' . I I 

J 

112.Y 

L 2..'-/ 

!i 1li:~ .17:'J ; 1 Z :'ii 

V?.::;.~ 

1'2.S 

,121:: 

" <.-1 

12.5; 

i Z :> 

I Ze:., 

Total 

I It...;) 

EPA METHOD 4 

FIELD DATA SHEET 

Project /VI: m \ eM fa SM i P'> Sample Train Leak Rate (cfm) 

Sample Lpcation f:'''''~v!.c("t s,~d( D- Mete;Y- / ~ Bar. Press.'?CU,:> in Hg Pretest 0,0 atl'5-jn Hg (<-

Date Yh/':"r Test __ f_ Run I OrificetlH@ i, 67 ?.f Posttest ,i). C> atS'"inHg 

Operators 7YI {,! 0 .5'1--- Eft. Probe Length~ft LinerType}JGlass 0 S.S. 0 Other ____ _ 

Sample 

I 

Sample Meter 

Point Time Reading ':;1 Vm. Cu.Ft 

/(,;1..30) (17l Sl' 

1 5 n1· .... II'-I~ 

2 10 ;;. 'i5i. 1 

3 15 I~~'~ .:/ 

4 20 .., ;~/:O .. U .. 'i:' 

5 25 

6 30 '7'11,>,7 () 

7 35 ,0 ;, 

8 40 15r' '1'. oS' 

9 I 45 I c.<tl '7. >-::> 

10 I 50 I~il. ") 

11 1 55 ;;;i:.-, "i 

12 1 60 1':(/7./1 

I I 

I( ''''J}O ) 

I 

19= (; U Vm-=.iS.V I 

Integrated Gas Sampling Data: 

Box No. I V 4 Leak Rate, cc/min 

Bag No. f 02 Reading 

Bag Vol. i,f<" 02 Analyzer No. 

Orifice Sample 

Pressure. Vacuum. 

!lH in H2O in Hg 

I 'l I Lt, ,;, )~1 I 4.(.,; 

1.1 9; (; 

I , .,' L.f \ I 

;. '1 l..(,o 

I " I '1, ., 

I. -, 1../,;0 

1,7 '1'. ~ 

(, ? '1.(;) 

( .7 L/.O 

/.7 '-'I. v 

f.7 1 'i.O 

I 

.:!i"F !, 1-

.:...!Jtc.,},....4:.... __ at 15 in Hg 

I 

RUN 1 

Sample I rain Temperatures. OF 

Probe Filter I .Impinger Meter I IJleter 

Outlet Inlet Outlet 

/ I I 

1£.::.'1 I '?'i."S' 3~ I 7J,-1 67 '7 ;:. '1 2';" :.,7 I -,(. .. , I '7 '\ 

I ?s-'f /'5 I '] "'7 1 7'7 I '7 \-. 

:7-S'" 'J <: 'f I '-iJ I 7 V I 15 ~ ... ( ~.- Xs;, .1 '4/ I '8' '2. 7, Z~>' 2...:5'.5 I '",,'if: I x-o I 7'-' " 7,$') 1.. ... ~"> I y, .. ~ I YO I 'l-c 

;:.".-:s. I 2.;'\.:> I cI'0 I g-z.,1 

. - 7(:, 

c....s.7> I '(....-::7 I '-f <7 I y/ 7(" . ~7 I lSI I :,V I ir"Z 7'" 'I.<:' I l"'Z.:>j- I s;-c YZ 7:;" 

I 2,YS -:J .:> :r" '57 'ilZ 1 77 

1 

I 

1 

I I j7Tii-i1.Sb 

llJoisture Recoverv Data' - Impinger I 1 / 2 1 3 / 4 

Final wt.. 9 / /<iz. / i?~ I t_/ / 

Initialwt.. 9 / ' 100 / 100 I 0 I 

IDifferenceL _._":- L I '2 " I i-/ I 

Oxygen 

Content, 0' '0 

I 

I 

I 

I 

I 

! 

/ Desiccant Total I 

/ 1(!5iG I / If "i :) i i . 1/ I I ) 

, I I ' . I I 

,-?' ~:\. L> ~· .... k //~ r\('» 

Sample 

Point 

S:mple I Meter 

lIme Readmg 

",T I Vm. Cu.Ft 

Orifice 

Pressure, 

::,H in H20 

RUI>! 2 

.., , 

pc':; ( , " '" '-' '" 

Sample f--::::-.,..---.~S=am~PJ.:::.e..:,1 :..:;;ra:::,in:..,;l:..:;;e:::,m:o::,p.:::er.;::a:.::tu;.::,re:,:::.s':...',;...F-.--:-:-:_-li Oxygen 

Vacuum. I probe. I Filter Meter Meter Content, 

in Hg I Inlet Outiet % 

! I (; .5 '1 ",,' )! ( ~ :Cf . .,{ ) I ~~r! ' f----C:---+l ""-"'-o=---':";I-'-v~.:::-" '4--',"-) '-'-:'+·-j-;--,-·-:::;;--f-'7'v-t-. o--i-~""')-:>:'--":--+--:::L-. ..;,~''''';'-+-I-r-:c:::---if-'':'/-·;:.-· -+-7-7::--r----ii ( 2.Y 

2 

3 

4 

f-~~-+-1~1~0-~I~~~-2~7~:~/v~\+_~f-·~1 __ +-~kC~.~.--·~~~,~'-~.c~~~r-,~7=.~·~5_+_I~~~r-~7~q-+_1~7~j.--··~_----~LLy r-~~_+I--~1~5 __ ~I~~~3~o~"7. .. ~Z~~ .. -·~1:--+-~~:.../-,~~"I__:_·~~,~J~~~·_~I_~?~;~·~~~~+_i~~--i~~~!?~~-,·-+1-=7~&:.... ~------4!i 1~~ 1 20 I'D},,!,:?!G (,! '-/" I 1).:5 I L.:;.:,-:; I 8l. 1 !:7 .I'?·J 

5 

6 

7 

8 

9 

f----c~-+-1~2~5:---lr~~.~~'t~·.~1~5~-+-~!~,~:::;~~~~~!~,~0~~~~.~~~.~)~-+1~2~~~;~~I--~~~--_~~W~~+j-·~7-7~--I------~;lZS 

I 30 I.:'·r/, ; .. ! <--!." I :;>S'?> I ? i,r! ! Y> 17 c' i j(l":':- !---'=:---+--....;3c.;;5,---If-'7~'''''i'''-!,-~ ,,-,-+--,-. ,-".,.-) --:--=~"-. f-.'-::::-1Ir-"-~-. "-';;..:::-. ;.,--; -+-::7"'_.....;C"~,-'--i---"'--'--+-""'~""/,'3": --+-': Is--I'.--" ---i1

c--------l1

' 2..S 

40 I ~.~ .. ~' I j .:.../~; LS"/ .z. 5;;"" ~-/ I ~{I 112<:- f--:~-+---4:-;:'5:---1~;)::.":\=1':"'. ~:",,:,+_....!;c.:. .. -7:;-~--'~-1.c'.-c--lr-""'J""(""'-'-+-:;"''::-''''':'->''::-/:':..; -t~"'::"::=-~-"-.b"";-:"''y--+-: 1/-:-<=->----11

:------;" <.-1 

10 

11 

50 ~s7, <"u i r I 4 ' . <. S;5 2. s 6 .>Y 'f I t: C I /2. ::>; !-~~--+---:5c.;;5:---P~7'~ .. -·~.~~+-~/~,~~I--~7~·u-· ~-~~;~5~/~+-Z~~~· ~~-~--~~-r--~~7/~~~/--+-1~7~~--~------;,z> 

r---=~-+ 12 __ ~6~0 __ ~~~;[~·~~.-~,_+~(~,....!7_~I--_L~!.~0__1~,-;~-~S-+_....!z~~~'/~~~~~+_.....;x~~~~:...-+_I~~7~--I~-----;IZ~ 1 1 

( / yl.jv ) 

I I 

Integrated Gas Sampling Data: 

Box No. ;v4 Leak Rate. cclmin 

Bag No. I 02 Reading 

Bag Vol. ~ 02 Analyze, No. 

~:'i'-r'(,-,,-fJ __ at 15 in Hg 

I 

Moisture Recovery .. Data' 

Impinqer / 1 / 2 3 / 4 I Desiccant Total 

Final wt.. q I I :lG J Z Y L.. L (".I./ 

Initial wt.. 9 / 100 100 0 / /v'i'6 

Difference I ,YL, '-I ~ I L3 1 It...;) 

C 

. ...., f 

G 
EPA METHOD 4 

FIELD DATA SHEET 

Project ;'W~ CM~ SII1_\ _ P~ , 

Sample Location .("0 (,~,,-q ,stucK D fv1eter y I- J;::, 79 Bar. Press.:2b, IS" in Hg 

Date Y/'L(D; Test~ Run __ ,_ Orifice!>H@ ("C:-f'-,[2'1 

Sample Train Leak Rate (cfm) 

Pretest ~ at 'rS..in Hg ) 0 

Postlest l-', (.) at 2 in Hg 

Operato~s 7\.,) r( / vYi l Eff. Probe Length J. IT Liner Type: B-Glass 0 S.S. 0 Other I ----------

RUN 1 

Sample 

I 

Sample I Meter Orifice I Sample Sample Train I emperatures, eF Oxygen 

Point Time Reading Pressure, Vacuum, Probe I Filter Impinger Meter I I·!;eter Content ;}I Vm, Cu.Ft liH in H2O in Hg Outlet Inlet Outlet c/o 

I (i I-}.)-O) ( '6'{;S. 3> ) I I 

1 / 5 '<be;. () '.7 / <.l::;- )';'.5 / £00- '-t '{ / .( '7 / 7 ~. <.> / 

2 / 10 / S, 71, '1 " -'1 I ,.., " ... - 7>7 ?-55 )12.- I 51> ! '2,";;' I 

3 15 't7(, 5'5 I 7.1 / '-1.& / ').5,,' .J-5) "G(::i iJ? / -; ~, 

"' I 

4 / 20 ~ ;rD. '") I 1''''< / 4;V / :2.n ?., ) / ~(, I .• :;>y' 1'-6 / 

5 25 "·.Y'·~,771 I· -I I '-7, " / Z:;::, 2$c>-" .st;. g'-( )"" 

6 30 !5''i''Z {i 11 /.7 I L/t.J I~.n. ·C.L\· I 6"" y-c./ 7~ 

7 35 I ;r"1/,1 1 i. 7 I ~~J 1 7..>7 <:',j-y 1 S·, <;,-:S 7 'C 1 

8 40 <;PIS',/ "-I /, ! 1 '-1 ~ ..,; 1 2S'l Z.sS .;i./ .:;,S 7'1 

9 1 45 1 sr'0.'1~/ /, 7 1 '1 . .:. I 'Z <.."-1 7.c;G s:re; RY 79 

10 1 50 Ic-,pz.., (p' I.~ 1 .... i·0 1 ~:;,.,. ? <;.> 5:''1 'b>" 71 

11 / 55 1 ';'<.;C; • ,-/0 i, ? 1 '-I.~ 1 25> 2';:'1 1 (;;{ '))-S" 7'7 

12 1 60 Iv. It·. , " i,7 1 't ... I 'lS'7' ·Z.S1~, I 0v C--:..:-- 1 71 1 1 1 1 I 1 

I ( r ./ .; . .., )1 1 I 1 

1 I 1 1 1 1 

/9: u? 0 IVm-"'''''Z;O I:m= (.1 I / / /1 m-p~ ,", t.-I 

- Integrated Gas Sampling Data: 

Box No. /V f-, Leak Rate, ccimin 

Bag No. i 02 Reading 

--,(--,-,i,...,-1_4_ at 15 in Hg 

i 

Moisturo Recoverv Data' 

Impinger I 1 I 2 / 3 I 4 I Desiccant 

Final wt., 9 I ( '7(~ I J1i,;- I 'L I I {HI 

Bag Vol. ..... - 02 Analyzer No. 

I 

Sample 

Point 

I 

S::,mple I Meter I Orifice 

lime Readmg I Pressure. 

.1T \/m, CU.rt ~H in H20 

5 / 

2 10 / 

3 15 / 

4 20 

5 25 

6 30 

7 35 

8 40 

9 / 45 I 1 

10 / 50 / I 

11 / 55 / / 

12 1 60 

( ) 

9: Vm- :m= 

Integrated Gas Sampling Data: 

/ 

/ 

/ 

Initial \'I\., 9 I 100 I ,100 I 0 I / I~~ g .::~ C> ' ..... / . '- ." ,' .. 

RUN 2 

Sample 1---::-_----,-----::S,::,am.;.;.p""I;:.,5 ""I f..::c.;.;;in_I.:;.8..;..m.=.o";:... .. rrat:.;..u.,,=re;...s.'-'.;..r---;-----:...,--_-11 Oxygen 

Vacuum, I Probe Filter lmpinger Meter I.. rv1ster Content 

in Hg Outlet lnJet Outlet % 

I / / I I I / 1 

/ / / 

/ / 

1 I 

I I 

/ / 

I 1m : 

Moisture Recovery Dat~· -. Box No. Leak Rate, cc/min ____ at 15 in Hg Impinger I 1 I 2 3 4 ! Desiccant 

Bag No. 02 Reading Final VI!., q I I I 

Bag Vol. 02 Analyzer No. initial wt.,g I 100 , 100 0 I 

Difference / / / 

I 

I 

I 

17'-:;) 

(z.':) 

I. 'Z.G 

( Z.SlZ~-: 

I z"fr 

i ~, .. l 

tZL/ 

;2.6-

f25'" 

(25' 

{ '( i~ 

lotal 

,- -

lotal 

/ 

I 

I 

EPA METHOD 4 

BARR FIELD DATA SHEET 

Project (VI ; 'W~ eM ~ SM _( _ P ~ , Sample Train Leak Rate (cfm) 

Sample Location .("0 (,~,,-q ,stucK D fv1eter y I- J;::, 79 Bar. Press.:2b, IS" in Hg Pretest ~ at 'rS..in Hg ) 0 

Date Y/'L(D; Test~ Run __ ,_ Orifice!>H@ ("C:-f'-,[2'1 Postlest l-', (.) atJ..in Hg 

Operato~s 7\.,) r( / vYi l Eff. Probe Length J. IT Liner Type: B-Glass 0 S.S. 0 Other ____ _ I 

Sample 

I 

Sample I Meter Orifice I Sample 

Point Time Reading Pressure, Vacuum, ;}I Vm, Cu.Ft liH in H2O in Hg 

I (i I-}.)-O) ('6'~S:. 3> ) I 

1 I 5 I '<be;. v '.7 I <.l:."'--

2 I 10 I S, 71, I " -'1 I ,.., " ... -

3 J 15 't7(, 5', I 1.J I '-1.& 

4 I 20 ~;ru '") I 1''''< I 4;V 

5 25 "'.'('5',77/ I, -I I '-7, " 

6 30 :5'1"7, (i 1/ 1.7 I L/t.J 

7 35 I ;r"1/,1 I i. 7 I ~~J 

8 40 10~S,/'2...1 /, ! I '-1 ~ ..,; 

9 / 45 / sr'0.'1~/ /, 7 I '-/, ..:, 

10 / 50 /c-,pz.., (p' I.~ / .... i·0 

11 / 55 I ';'<.;C; , ,-/0 i, ? / '-I.~ 

12 / 60 IV. It·, , " i,7 / 't ... 

I / I I / ( r .>.,S" )/ / I 

I I I I 

!9: u? 0 IVm-"'''''Z;O I:m= (.1 I 

Integrated Gas Sampling Data: 

Box No. /V f-, Leak Rate, ccimin 

Bag No. i 02 Reading 

.--'(.J.(i,:..,/...:4_ at 15 in Hg 

i 

Bag Vol. ..... 02 Analyzer No. 

RUN 1 

Sample Train I emperatures, eF Oxygen 

Probe I Filter Impinger Meter I I·!;eter Content 

Outlet Inlet Outlet c/o 

I 

) . .,.5 I £00- 1..('( I .( '7 I 7 ~. <.> I 

757 ?-55 )12- I 51> I )~ .' I 

I ').5,,' 1-5) "'-(::i '}] '7 I -;1 ~, 

"' I :2.n 7., ) I ~(, I . ,:;>y' l't, I 

I Z:;::, 2$y--- I .st;. &'-( )"" 

I~.n. ·c,; .. I "'" y-c./ 7~ 

I 7..>7 <--j-Y I S'I ':;--:) 7 '(: I 

I 25''1 Z.sS I ,'-I .:;,S 7'1 

'Z C:'-I 7..c;G I ~ KY 2'7 

I ~:;,.,. ? <;.5 I 5:""'1 'b>" 71 

I 25> 2';:'1 / (;;{ ')]5 7'7 

I'lS7' 'zS1~, I 0v C--:..:-- I 71 

/ 

/ 

I I I 

I I II m-p~ ,", t.-I 

Moisture Recoverv Data' 

Impinger I 1 I 2 I 3 I 4 I Desiccant 

Final wt., 9 I ( '7(~ I J1i,;- I 'L I I {HI 

Iniiial \'I\., 9 I 100 I ,100 I 0 I I I~~ g '- ." ,' .. 

RUN 2 

Sample 

Point 

I 

S::,mple I Meter I Orifice 

lime Readmg I Pressure. 

Sa mp Ie I-::-.,----,.----.:::S=,-a m;:.:.:.:p 1::;..5 ..:.,T f:.::C,::.:i n:....;T.::8;.:..m:::,o-:::...:rFa t:::;u,-;,re:;:-s ,'-:-'...:r--;----:-:-:-_-11 Oxyge n 

Vacuum, I Probe Filter lmpinger Meter ,. rv1ster Content 

.1T \/m, CU.rt ~H in H20 in Hg Outlet lnJet ~ Outlet % 

5 I 

2 10 I 

3 15 I 

4 20 

5 25 

6 30 

7 35 

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I 9 I 45 I I I I I I I I I 

10 I 50 I i I I I 

11 I 55 I I I I I I 

12 I 60 I I 

I I 

( ) I I 

I I 

9: Vm- :m= I 1m: 

Integrated Gas Sampling Data: Moisture Recovery Dat~· -. Box No. Leak Rate, cc/min ____ at 15 in Hg Impinger I 1 I 2 3 4 I Desiccant 

Bag No. 02 Reading Final VI!., q I I I 

Bag Vol. 02 Analyzer No. initial wt., 9 I 100 I 100 0 I 

Difference I I I 

I 

I 

I 

17'-:;) 

(-z.SI. 'Z.G 

( Z.SlZ~-: 

I z"fr 

i ~, .. l 

{-ZL; 

;2. b 

f25'" 

(25' 

I '( i~ 

lotal 

,- -

Total 

I 

I 
ArcelorM ittal 

Minorca Mine 

Virginia, MN 

Barr Engineering Co. 

April 23, 2009 

RESULTS OF STACK MOISTURE DETERMINATIONS 

Furnace Stack D 

Test Date: April 2, 2009 

.,...."~.,..-",..",.._-r-RUN 2 (1340-1440) .. RUN _ .. 3 _, (1450-1550) .. __ . ___ , - lck 

Inlet Outlet Volume i\H, Temp. Temp. 1 Inlet Outlet Volume i\H, TE mo. Temp. 

Meter 

Inlet 

Impinger I ,~, of (oF) (oF) 

..---,,: I. MeterliVleter M~ter Orifice Stack Impinger 1 Meter Meter Meter O. rilice St, I 

(oF) (oF) Vm, W in 1-120 Ts, OF (oF) (oF) (oF) vm, n- In H20 Ts, \ ' I \ ' I \ ' I 

....,-~~_i---l....:.-:.._+--l...:....;... - 819.50- 865.30 

1.7 126 36 75 67 --- ·-·T:7-t-"-~1:-::2"'5-+--4'"'2:---+-~7:-::8--+-""7:::-7-+"';';;'=';;"-+-~1-::.7:-+-1"'2'"5:--+-4""2;:---+--::7""7:---+--:::7"'"8 

I~=I=-- Ti-=- ~=-1~~_ -=- -::::-37_ _ ___ ?§ _____ .X?_. __ ==-==:=--=-f.I~-:::: ':::':I?L':: =:.~':~~::'= ==-i~_=::~J_L __ ====: --- 1 ~?_= =-_ 125- -'--LiT---80- 78 

1.7 126 39 77 75 1.7 126 46 80 76 1.7 126 45 83 78 

I--'--'-I=~:~- ::.-~~~ .. - ~t= =':it::~ ~~-~-F= ===.:: --·G--: .::=m= '.:--~~-- -=~r--' ----}F= --._-' '-~i= =~ -y ~--i~ 

=:~=':':=I~_D-= --'J~~._~= =. __ ~;=~=JE= ~~~J[~- ~.:=:==~. =~_~I.::: . .:~=Hr.::: ·:·:-~·E=.::~lE~__-==lr= .::.:==-~== ._~ ~ :~- =_~~ ~.-.:: -¥s-= =iF 

1.7 125 48 80 76 1.7 126 56 84 81 1.7 124 54 85 79 

1---1 rt-'::--';;:- cif-: :::~'iir . ::.::~r- ::--=.:==:::--~ :~-.:.+~~:=.: ==~F--=~f-::' :--·ti~·::: =:=== _.1.:7- 1.7 ~§- --~ 125 ~--. -.-~ 59 ::- ~~--t.::=~~-- .... -... --- --------· .. --82' --76'---"-- ---1:7-'125- --53-illl 78 .-~----~- -----125--- ._------_._. 

1.7 61 

910.10 -1.7--~6- ~-- 819.17 --1-.7-

1.7 

126 

125 I~ r;Ll 

Total Average Average 

1 .. .--82-·n-77- =86!i1\l: --1:7- 00'126-- --62--- --81)'--- -'--79--

• Average Total Average Average Average Average 

Meter 

t-\VtHCfye Total Average Average Average Average 

Meter 

Volume 

Vm, ito 

45.67 

Impinger 

Final 

Initial 

Dilf. 

Orifice Stack 

tl.H, Temp. 

in H2O (oF) 

1.70 1")1; 

Impinger 

Temp. 

(oF) 

AI:; 

Meter Meter Orifice Stack Impinger 

Temp. 

(oF) 

Volume i\H, Temp. Temp. I Temp. 

Vm, ito in H,O (oF) (oF) (oF) 

Meter Orifice Stack Impinger 

Volume i\H, Temp. Temp. 

Vm, ito in H2O (oF) (oF) 

!. 

44.80 1.7 125 52 ' , T7.58_~"':!J).60_1_!2-l. m I 52 I 80.29 I !. 

MOisture Recovery Data: __ _'~__ _ MOisture Recovery Data: I ... ,,,,n'OH _.-.-. "Q -. ~Q<;overy -- Data: 

I 2 I 3 I Desicca,;tr" Total Impii1ger ~1-r 2 I 3 I Desiccant I Total ' "npin~ef 1 , I L 3 

182 1 120 4 I 1106 I Final I 186 11211 2 1 1061 Final I 186 I 126 2 I ... a; .... I I 1{){) 100 0 .. ,,' " .. ,,~ 2 

100 I 100 0 I 1095 I Initial I 100 I 100 0 I 1048 1"'"'''' 1 'vv 1 

Meter 

Temp. 

(oF) 

80.92 

Desiccant I Total 

1081 

1068 

82 I 20 4 I 11 .-,1.",-'llZ.- £~;, _____ I 86 I 24 2 1 13 I 125 ::;;::. :;:; ::::: 13 I 127 

Standard Meter Volume Moisture Content (%v/v) Standard Meter Volume Moisture Content (%v/v) Standard Meter Volume Moisture Content (%v/v) 

42.72 11.42 42.45 12.17 41.65 12.55 

Barometric Pressure (in Hg) 28.15 1 I Barometric Pressure (in I-Ig) 28.15 I Barometric Pressure (in Hq) 28.15 1 

Meter Coefficient 1.0079 1 1 .• _. Meter Coefficient 1.00791 Meter Coefficient 1.0079 1 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x «Pbar +(i\H/13.6))fTmr) 

Average Moisture Content 01 Stack Gas 

MC = «.04707 x Vwc)/«.04707)( Vwc) + (Vrnsld)))( 100 

Vm 

Y 

Pbar 

.A,H 

Meter Volume 

Meter Coefficient 

Barametric Pressure 

Orifice delta H 

Tmr 

Vmstd 

MC 

Vwc 

Average Meter Temperature in Rankins (OF + 460) 

Meter Volume at Standard Conditions 

Moisture Content, % 

Moisture Recovered from impingers 

ArcelorM ittal 

Minorca Mine 

Virginia, MN 

Barr Engineering Co. 

819.17 

Total 

Meter 

Volume 

Vm, It" 

Impinger 

1.7 

1.7 

Average 

Orifice 

tl.H, 

in H2O 

1.70 

125 

126 

Average 

Stack 

Temp. 

(oF) 

125 

52 

54 

Average 

Impinger 

Temp. 

(oF) 

45 

RESULTS OF STACK MOISTURE DETERMINATIONS 

Furnace Stack D 

Test Date: April 2, 2009 

April 23, 2009 

Total Average Average Average 

Meter Orifice Stack Impinger 

Volume tl.H, Temp. Temp. 

Vm, It" in H2O (oF) (oF) 

44.80 1.7 125 52 

Moisture Recovery Data: 

Impin>ler 2 3 

Final 182 120 4 1106 Final 186 '1211 2 1061 Final 186 126 2 1081 

Initial 

Difr. 

Initial 100 100 0 

Dill. 86 26 2 

100 100 0 1095 Initial 100 ~1:;c.0.;:.0_+ __ 0~_I_...;1..:;0-:::-48"--+--::=_-E';';;::''--_t----';;-:';:--I_c...:.;:;;::---t_~_-+_1:..:0c:::6.o:.8-1f---:-;0::--1 82 20 4 11 117 Difr. 86 24 2 13 125 13 127 

Standard Meter Volume Moisture Cont~7rt(oi.~i;;f- --"-Standard Meter Volume Moisture Cont'-'e-n:tL 

7,;(o;':;-ov~/;-v:-) -+-.;...;.-:S::::t-a-nd7a-r-.d-:M";'e-.t-er-:V:-:o-:l-u-m..;e.;....-Ir-~M~0-.i-st:-u'-re-;:C:-o-"n7te-n-:t'-:(~%;-v":'/v":)'---I 

42.72 11.42 :::-__ ~--::;:;-4:..::2::....4:..::5'--;:_;-;-:-_-I_;:-;;--;-;:--r_1:.:2::...1:..:7 ____ -Ib_--;---::;:;--4'-1c::.6::.:5'--;:--;-;-;-_-If--;;-;;-c;-;:---,-_1'-'2:.:;.5"'5'---___ -l 

Barometric Pressure (In Hg) 28.15 I Barometric Pressure (in I 19) 28.15 I Barometric Pressure (In Hg) 28.15 

Meter Coefficient 1.0079 Meter Coefficient 1.0079 Meter Coefficient 1.0079 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x «Pbar +(tl.H/13.6))lTmr) 

Average Moislure Contenl of Stack Gas 

MC = «.04707 x Vwc)/«.04707)( Vwc) + (Vrnstd)))( 100 

Vm 

Y 

Pbar 

,".1-1 

MeIer Volume 

MeIer Coefficienl 

Barametric Pressure 

Orifice della 1-1 

Tmr 

Vmsld 

MC 

Vwc 

Average MeIer Temperalure in Rankins (OF + 460) 

MeIer Volume al Slandard Conditions 

Moislure Conlenl, % 

Moislure Recovered from impingers 
ArcelorMittal 

Furnace Stack D 

Virginia, MN 

PortA 

----~~--~ 

Port B 

-- "-" 

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

Max read % diff from avg 

Min read % diff from avg 

1 

2 

3 

4 

5 

6 

1 

2 

3 

4 

5 

6 

EPA Method 7E (3 Pt) 

Stratification test 

NOx 

273.0 

268.0 

271.0 

270.7 

273.0 

268.0 

2.3 

2.7 

0.86 

0.98 

If < 5 percent sample from mean point in stack 

If> 5 and < 10 pick 3 points 16.7, 50 1n 83.7 

If > 10 perform 12 points 6 on each traverse 

Barr Engineering Co. 

August 27, 2010 

02 

18.33 

18.33 

18.35 

18.34 

18.35 

18.33 

0.01 

0.01 

0.05 

0.04 

ArcelorMittal 

Furnace Stack D 

Virginia, MN 

PortA 

----~~--~ 

Port B 

-- "-" 

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

Max read % diff from avg 

Min read % diff from avg 

1 

2 

3 

4 

5 

6 

1 

2 

3 

4 

5 

6 

EPA Method 7E (3 Pt) 

Stratification test 

NOx 

273.0 

268.0 

271.0 

270.7 

273.0 

268.0 

2.3 

2.7 

0.86 

0.98 

If < 5 percent sample from mean point in stack 

If> 5 and < 10 pick 3 points 16.7, 50 1n 83.7 

If > 10 perform 12 points 6 on each traverse 

Barr Engineering Co. 

August 27, 2010 

02 

18.33 

18.33 

18.35 

18.34 

18.35 

18.33 

0.01 

0.01 

0.05 

0.04 
AppendixC 

Instrument Output 
ArcelorMittal Minorca Mine, Inc. 

Virginia, MN 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack A (SV014) 

Average Analyzer Results 

Run I 02,% 1 C02, % 1 S02, ppm 

1 19.6 1.3 : 5.8 

2 19.6 ! 1.4 4.4 

3 19.7 1.3 3.7 

TOA5 CR1000 1362 CR1000.Std.08 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

Avg Avg Avg 

3/31/20097:03 0.0 0.0 0.1 

3/31/20097:03 0.0 0.0 0.1 

3/31/20097:04 0.0 0.0 0.1 

3/31/20097:04 0.0 0.0 0.1 

3/31/20097:04 8.3 7.5 -0.1 

3/31/20097:05 8.9 8.9 -0.3 

3/31/20097:05 9.0 9.0 -0.4 

3/31/20097:05 9.0 9.0 -0.4 

3/31/20097:06 16.6 3.4 -0.4 

3/31/20097:06 21.0 4.9 -0.5 

3/31/20097:06 21.1 4.9 -0.5 

3/31/20097:07 21.1 5.0 -0.5 

3/31/20097:07 20.5 5.2 -0.5 

3/31/20097:07 9.3 9.0 -0.5 

3/31/20097:08 9.0 9.1 -0.5 

3/31/20097:08 9.0 9.0 -0.4 

3/31/20097:08 4.9 3.0 -0.4 

3/31/20097:09 0.0 0.0 -0.3 

3/31/20097:09 0.0 0.0 0.4 

3/31/20097:09 0.0 0.0 0.6 

3/31/20097:10 0.0 0.0 0.2 

3/31/20097:10 0.1 0.0 0.1 

3/31/20097:10 2.2 0.0 3.7 

3/31/20097:11 0.0 0.0 21.5 

3/31/20097:11 0.0 0.0 25.3 

3/31/20097:11 0.0 0.0 25.5 

3/31/20097:12 0.0 0.0 26.8 

3/31/20097:12 0.0 0.0 26.5 

3/31/20097:12 0.0 0.0 26.3 

3/31/20097:13 0.0 0.0 26.3 

3/31/20097:13 0.1 0.0 26.4 

3/31/20097:13 0.1 0.0 13.5 

3/31/20097:14 0.0 0.0 7.2 

3/31/20097:14 0.0 0.0 9.9 

3/31/20097:14 0.0 0.0 12.4 

3/31/20097:15 0.0 0.0 12.9 

3/31/20097:15 0.0 0.0 13.0 

3/31/20097:15 0.0 0.0 13.1 

3/31/20097:16 0.0 0.0 13.1 

3/31/20097:16 0.0 0.0 13.1 

3/31/20097:16 6.4 0.1 12.3 

3/31/20097:17 0.1 0.0 6.7 

3/31/20097:17 0.0 0.0 1.0 

3/31/20097:17 0.0 0.0 0.1 

3/31/20097:18 0.0 0.0 0.1 

3/31/20097:18 0.0 0.0 0.1 

3/31/20097:18 0.0 0.1 0.1 

3/31/20097:19 3.2 0.1 0.0 

3/31/20097:19 0.1 0.1 8.8 

3/31/20097:19 0.0 0.1 36.7 

3/31/20097:20 0.0 0.1 46.6 

3/31/20097:20 0.0 0.1 47.9 

3/31/20097:20 0.0 0.1 48.7 

3/31/20097:21 0.0 0.1 49.0 

3/31/20097:21 0.0 0.1 49.6 

3/31/20097:21 0.0 0.1 49.9 

3/31/20097:22 8.6 0.1 34.5 

3/31/20097:22 2.1 0.1 0.5 

3/31/20097:22 0.0 0.1 6.7 

3/31/20097:23 0.0 0.1 17.1 

3/31/20097:23 0.0 0.1 20.3 

3/31/20097:23 0.0 0.1 21.7 

3/31/2009 7 :24 0.2 0.1 22.4 

3/31/20097:24 19.4 0.1 4.1 

3/31/20097:24 20.8 0.1 -0.4 

3/31/20097:25 20.8 0.1 -0.4 

3/31/20097:25 20.8 0.1 -0.4 

3/31/20097:25 20.8 0.1 -0.4 

3/31/20097:26 20.8 0.1 -0.4 

3/31/20097:26 20.7 0.1 -0.4 

3/31/20097:26 1.7 0.1 -0.1 

Page 1 of 17 

Notes 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Barr Eng ineering 

Sampled on 03/31/09 

ArcelorMittal Minorca Mine, Inc. 

Virginia, MN 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack A (SV014) 

Average Analyzer Results 

Run I 02,% I C02,% I S02, ppm 

1 ; -19.6 : 1.3 i 5.8 

2 : 19.6 ! 1.4 4.4 

3 19.7 1.3 3.7 

TOA5 CR1000 1362 CR1000.Std.08 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

Avg Avg Avg 

3/31/20097:03 0.0 0.0 0.1 

3/31/20097:03 0.0 0.0 0.1 

3/31/20097:04 0.0 0.0 0.1 

3/31/20097:04 0.0 0.0 0.1 

3/31/20097:04 8.3 7.5 -0.1 

3/31/20097:05 8.9 8.9 -0.3 

3/31/20097:05 9.0 9.0 -0.4 

3/31/20097:05 9.0 9.0 -0.4 

3/31/20097:06 16.6 3.4 -0.4 

3/31/20097:06 21.0 4.9 -0.5 

3/31/20097:06 21.1 4.9 -0.5 

3/31/20097:07 21.1 5.0 -0.5 

3/31/20097:07 20.5 5.2 -0.5 

3/31/20097:07 9.3 9.0 -0.5 

3/31/20097:08 9.0 9.1 -0.5 

3/31/20097:08 9.0 9.0 -0.4 

3/31/20097:08 4.9 3.0 -0.4 

3/31/20097:09 0.0 0.0 -0.3 

3/31/20097:09 0.0 0.0 0.4 

3/31/20097:09 0.0 0.0 0.6 

3/31/20097:10 0.0 0.0 0.2 

3/31/20097:10 0.1 0.0 0.1 

3/31/20097:10 2.2 0.0 3.7 

3/31/20097:11 0.0 0.0 21.5 

3/31/20097:11 0.0 0.0 25.3 

3/31/20097:11 0.0 0.0 25.5 

3/31/20097:12 0.0 0.0 26.8 

3/31/20097:12 0.0 0.0 26.5 

3/31/20097:12 0.0 0.0 26.3 

3/31/20097:13 0.0 0.0 26.3 

3/31/20097:13 0.1 0.0 26.4 

3/31/20097:13 0.1 0.0 13.5 

3/31/20097:14 0.0 0.0 7.2 

3/31/20097:14 0.0 0.0 9.9 

3/31/20097:14 0.0 0.0 12.4 

3/31/20097:15 0.0 0.0 12.9 

3/31/20097:15 0.0 0.0 13.0 

3/31/20097:15 0.0 0.0 13.1 

3/31/20097:16 0.0 0.0 13.1 

3/31/20097:16 0.0 0.0 13.1 

3/31/20097:16 6.4 0.1 12.3 

3/31/20097:17 0.1 0.0 6.7 

3/31/20097:17 0.0 0.0 1.0 

3/31/20097:17 0.0 0.0 0.1 

3/31/20097:18 0.0 0.0 0.1 

3/31/20097:18 0.0 0.0 0.1 

3/31/20097:18 0.0 0.1 0.1 

3/31/20097:19 3.2 0.1 0.0 

3/31/20097:19 0.1 0.1 8.8 

3/31/20097:19 0.0 0.1 36.7 

3/31/20097:20 0.0 0.1 46.6 

3/31/20097:20 0.0 0.1 47.9 

3/31/20097:20 0.0 0.1 48.7 

3/31/20097:21 0.0 0.1 49.0 

3/31/20097:21 0.0 0.1 49.6 

3/31/20097:21 0.0 0.1 49.9 

3/31/20097:22 8.6 0.1 34.5 

3/31/20097:22 2.1 0.1 0.5 

3/31/20097:22 0.0 0.1 6.7 

3/31/20097:23 0.0 0.1 17.1 

3/31/20097:23 0.0 0.1 20.3 

3/31/20097:23 0.0 0.1 21.7 

3/31/2009 7 :24 0.2 0.1 22.4 

3/31/20097:24 19.4 0.1 4.1 

3/31/20097:24 20.8 0.1 -0.4 

3/31/20097:25 20.8 0.1 -0.4 

3/31/20097:25 20.8 0.1 -0.4 

3/31/20097:25 20.8 0.1 -0.4 

3/31/20097:26 20.8 0.1 -0.4 

3/31/20097:26 20.7 0.1 -0.4 

3/31/20097:26 1.7 0.1 -0.1 

Page 1 of 17 

Notes 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Analyzer Calibration 

Barr Eng ineering 

Sampled on 03/31/09 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/20097:27 0.0 0.1 0.2 

3/31/20097:27 0.0 0.1 0.5 

3/31/20097:27 0.0 0.1 0.5 

3/31/20097:28 0.0 0.1 0.4 

3/31/20097:28 3.8 0.1 0.4 

3/31/20097:28 20.7 0.1 0.0 

3/31/20097:29 9.6 0.1 -0.3 

3/31/20097:29 0.0 0.1 -0.3 

3/31/20097:29 0.0 0.1 0.0 

3/31/20097:30 0.0 0.1 0.3 N02 Convertor check 

3/31/20097:30 0.0 0.1 0.3 N02 Convertor check 

3/31/20097:30 0.0 0.1 0.3 N02 Convertor check 

3/31/20097:31 0.0 0.1 0.3 N02 Convertor check 

3/31/20097:31 0.0 0.1 0.2 N02 Convertor check 

3/31/20097:31 0.0 0.1 0.2 N02 Convertor check 

3/31/20097:32 0.0 0.1 0.1 N02 Convertor check 

3/31/20097:32 1.6 0.1 0.1 N02 Convertor check 

3/31/20097:32 0.1 0.1 -0.1 

3/31/20097:33 0.0 0.1 -0.2 

3/31/20097:33 0.0 0.1 0.0 

3/31/20097:33 0.0 0.1 0.0 

3/31/20097:34 0.0 0.1 0.0 System Bias 

3/31/20097:34 0.0 0.1 0.0 System Bias 

3/31/20097:37 0.0 0.1 0.0 System Bias 

3/31/20097:37 0.0 0.1 0.0 System Bias 

3/31/2009 7 :37 12.4 0.1 -0.1 System Bias 

3/31/20097:38 20.9 0.1 -0.3 System Bias 

3/31/20097:38 17.6 0.1 -0.4 System Bias 

3/31/20097:38 2.3 0.1 -0.4 System Bias 

3/31/20097:39 0.2 0.0 -0.2 System Bias 

3/31/20097:39 0.1 0.0 0.1 System Bias 

3/31/20097:39 0.1 0.0 0.4 System Bias 

3/31/20097:40 0.1 0.0 0.5 System Bias 

3/31/20097:40 0.1 0.0 0.5 System Bias 

3/31/20097:40 0.1 0.0 0.6 System Bias 

3/31/20097:41 0.1 0.0 0.6 System Bias 

3/31/20097:41 0.1 0.0 0.6 System Bias 

3/31/2009 7:41 0.1 0.0 0.6 System Bias 

3/31/20097:42 0.1 0.0 0.7 System Bias 

3/31/20097:42 7.3 2.4 0.4 System Bias 

3/31/20097:42 20.3 4.9 -0.1 System Bias 

3/31/20097:43 20.8 4.9 -0.4 System Bias 

3/31/20097:43 21.0 4.9 -0.4 System Bias 

3/31/20097:43 21.1 4.9 -0.4 System Bias 

3/31/20097:44 21.1 4.9 -0.4 System Bias 

3/31/20097:44 21.1 4.9 -0.4 System Bias 

3/31/20097:44 21.2 4.9 -0.4 System Bias 

3/31/20097:45 21.0 1.6 -0.4 System Bias 

3/31/20097:45 21.0 1.7 -0.4 System Bias 

3/31/20097:45 9.1 1.8 -0.4 System Bias 

3/31/20097:46 0.2 0.1 0.3 System Bias 

3/31/20097:46 0.4 0.1 2.2 System Bias 

3/31/20097:46 17.9 0.1 2.6 System Bias 

3/31/20097:47 20.9 0.1 0.5 System Bias 

3/31/20097:47 20.9 0.1 -0.4 System Bias 

3/31/20097:47 15.3 0.1 -0.4 System Bias 

3/31/20097:48 0.4 0.1 0.1 System Bias 

3/31/20097:48 0.1 0.1 1.8 System Bias 

3/31/20097:48 0.1 0.1 3.4 System Bias 

3/31/20097:49 0.1 0.1 3.9 System Bias 

3/31/20097:49 0.1 0.1 4.0 System Bias 

3/31/20097:49 0.1 0.1 4.0 System Bias 

3/31/20097:50 0.1 0.1 4.1 System Bias 

3/31/20097:50 0.1 0.1 4.1 System Bias 

3/31/20097:50 0.1 0.1 4.0 System Bias 

3/31/20097:51 0.1 0.1 3.1 System Bias 

3/31/20097:51 0.1 0.0 1.5 System Bias 

3/31/20097:51 0.1 0.0 0.8 System Bias 

3/31/20097:52 0.1 0.0 0.7 System Bias 

3/31/2009 7:52 0.1 0.0 0.6 System Bias 

3/31/20097:52 0.1 0.0 0.6 System Bias 

3/31/20097:53 0.1 0.0 0.6 System Bias 

3/31/20097:53 0.1 0.0 0.8 System Bias 

3/31/20097:53 0.1 0.0 2.0 System Bias 

3/31/20097:54 5.3 0.0 4.9 System Bias 

3/31/20097:54 20.5 0.1 6.3 System Bias 

3/31/20097:54 20.9 0.1 3.8 System Bias 

3/31/20097:55 6.0 0.1 1.3 System Bias 

3/31/20097:55 0.1 0.0 2.4 System Bias 

3/31/20097:55 0.1 0.0 6.5 System Bias 

3/31/20097:56 0.1 0.0 9.7 System Bias 

Page 2 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/20097:27 0.0 0.1 0.2 

3/31/20097:27 0.0 0.1 0.5 

3/31/20097:27 0.0 0.1 0.5 

3/31/20097:28 0.0 0.1 0.4 

3/31/20097:28 3.8 0.1 0.4 

3/31/20097:28 20.7 0.1 0.0 

3/31/20097:29 9.6 0.1 -0.3 

3/31/20097:29 0.0 0.1 -0.3 

3/31/20097:29 0.0 0.1 0.0 

3/31/20097:30 0.0 0.1 0.3 N02 Convertor check 

3/31/20097:30 0.0 0.1 0.3 N02 Convertor check 

3/31/20097:30 0.0 0.1 0.3 N02 Convertor check 

3/31/20097:31 0.0 0.1 0.3 N02 Convertor check 

3/31/20097:31 0.0 0.1 0.2 N02 Convertor check 

3/31/20097:31 0.0 0.1 0.2 N02 Convertor check 

3/31/20097:32 0.0 0.1 0.1 N02 Convertor check 

3/31/20097:32 1.6 0.1 0.1 N02 Convertor check 

3/31/20097:32 0.1 0.1 -0.1 

3/31/20097:33 0.0 0.1 -0.2 

3/31/20097:33 0.0 0.1 0.0 

3/31/20097:33 0.0 0.1 0.0 

3/31/20097:34 0.0 0.1 0.0 System Bias 

3/31/20097:34 0.0 0.1 0.0 System Bias 

3/31/20097:37 0.0 0.1 0.0 System Bias 

3/31/20097:37 0.0 0.1 0.0 System Bias 

3/31/2009 7 :37 12.4 0.1 -0.1 System Bias 

3/31/20097:38 20.9 0.1 -0.3 System Bias 

3/31/20097:38 17.6 0.1 -0.4 System Bias 

3/31/20097:38 2.3 0.1 -0.4 System Bias 

3/31/20097:39 0.2 0.0 -0.2 System Bias 

3/31/20097:39 0.1 0.0 0.1 System Bias 

3/31/20097:39 0.1 0.0 0.4 System Bias 

3/31/20097:40 0.1 0.0 0.5 System Bias 

3/31/20097:40 0.1 0.0 0.5 System Bias 

3/31/20097:40 0.1 0.0 0.6 System Bias 

3/31/20097:41 0.1 0.0 0.6 System Bias 

3/31/20097:41 0.1 0.0 0.6 System Bias 

3/31/2009 7:41 0.1 0.0 0.6 System Bias 

3/31/20097:42 0.1 0.0 0.7 System Bias 

3/31/20097:42 7.3 2.4 0.4 System Bias 

3/31/20097:42 20.3 4.9 -0.1 System Bias 

3/31/20097:43 20.8 4.9 -0.4 System Bias 

3/31/20097:43 21.0 4.9 -0.4 System Bias 

3/31/20097:43 21.1 4.9 -0.4 System Bias 

3/31/20097:44 21.1 4.9 -0.4 System Bias 

3/31/20097:44 21.1 4.9 -0.4 System Bias 

3/31/20097:44 21.2 4.9 -0.4 System Bias 

3/31/20097:45 21.0 1.6 -0.4 System Bias 

3/31/20097:45 21.0 1.7 -0.4 System Bias 

3/31/20097:45 9.1 1.8 -0.4 System Bias 

3/31/20097:46 0.2 0.1 0.3 System Bias 

3/31/20097:46 0.4 0.1 2.2 System Bias 

3/31/20097:46 17.9 0.1 2.6 System Bias 

3/31/20097:47 20.9 0.1 0.5 System Bias 

3/31/20097:47 20.9 0.1 -0.4 System Bias 

3/31/20097:47 15.3 0.1 -0.4 System Bias 

3/31/20097:48 0.4 0.1 0.1 System Bias 

3/31/20097:48 0.1 0.1 1.8 System Bias 

3/31/20097:48 0.1 0.1 3.4 System Bias 

3/31/20097:49 0.1 0.1 3.9 System Bias 

3/31/20097:49 0.1 0.1 4.0 System Bias 

3/31/20097:49 0.1 0.1 4.0 System Bias 

3/31/20097:50 0.1 0.1 4.1 System Bias 

3/31/20097:50 0.1 0.1 4.1 System Bias 

3/31/20097:50 0.1 0.1 4.0 System Bias 

3/31/20097:51 0.1 0.1 3.1 System Bias 

3/31/20097:51 0.1 0.0 1.5 System Bias 

3/31/20097:51 0.1 0.0 0.8 System Bias 

3/31/20097:52 0.1 0.0 0.7 System Bias 

3/31/2009 7:52 0.1 0.0 0.6 System Bias 

3/31/20097:52 0.1 0.0 0.6 System Bias 

3/31/20097:53 0.1 0.0 0.6 System Bias 

3/31/20097:53 0.1 0.0 0.8 System Bias 

3/31/20097:53 0.1 0.0 2.0 System Bias 

3/31/20097:54 5.3 0.0 4.9 System Bias 

3/31/20097:54 20.5 0.1 6.3 System Bias 

3/31/20097:54 20.9 0.1 3.8 System Bias 

3/31/20097:55 6.0 0.1 1.3 System Bias 

3/31/20097:55 0.1 0.0 2.4 System Bias 

3/31/20097:55 0.1 0.0 6.5 System Bias 

3/31/20097:56 0.1 0.0 9.7 System Bias 

Page 2 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/20097:56 0.1 0.0 10.8 System Bias 

3/31/20097:56 0.1 0.0 11.3 System Bias 

3/31/20097:57 0.1 0.0 11.6 System Bias 

3/31/20097:57 0.1 0.0 11.7 System Bias 

3/31/20097:57 0.1 0.0 11.8 System Bias 

3/31/20097:58 0.1 0.0 11.9 System Bias 

3/31/20097:58 0.1 0.0 11.9 System Bias 

3/31/20097:58 0.1 0.0 12.1 System Bias 

3/31/20097:59 0.1 0.0 12.2 System Bias 

3/31/20097:59 0.0 0.0 12.2 System Bias 

3/31/20097:59 0.0 0.0 12.3 System Bias 

3/31/20098:00 0.0 0.0 12.2 System Bias 

3/31/20098:00 0.0 0.0 12.3 System Bias 

3/31/20098:00 0.0 0.0 12.4 System Bias 

3/31/20098:01 0.0 0.0 12.4 System Bias 

3/31/20098:01 0.0 0.0 12.2 System Bias 

3/31/20098:01 0.0 0.0 9.0 System Bias 

3/31/20098:02 0.0 0.0 3.8 System Bias 

3/31/20098:02 0.0 0.0 1.6 System Bias 

3/31/20098:02 0.0 0.0 1.1 System Bias 

3/31/20098:03 0.0 0.0 1.0 System Bias 

3/31/20098:03 0.0 0.0 0.8 System Bias 

3/31/20098:03 0.0 0.0 0.7 System Bias 

3/31/20098:04 10.0 0.1 0.6 System Bias 

3/31/20098:04 20.9 0.1 1.1 In Stack 

3/31/20098:04 20.9 0.1 1.8 In Stack 

3/31/20098:05 20.9 0.1 1.2 In Stack 

3/31/20098:43 19.7 1.2 5.9 In Stack 

3/31/20098:43 19.7 1.2 6.1 In Stack 

3/31/2009 8:43 19.7 1.2 6.1 In Stack 

3/31/20098:44 19.7 1.2 6.0 In Stack 

3/31/20098:44 18.7 1.1 6.0 In Stack 

3/31/20098:44 2.0 0.1 5.8 System Bias Check 

3/31/20098:45 0.1 0.0 5.2 System Bias Check 

3/31/2009 8:45 0.1 0.0 4.0 System Bias Check 

3/31/20098:45 0.1 0.0 3.0 System Bias Check 

3/31/20098:46 0.1 0.0 2.3 System Bias Check 

3/31/20098:46 0.1 0.0 1.9 System Bias Check 

3/31/2009 8:46 0.1 0.0 1.6 System Bias Check 

3/31/20098:47 0.1 0.0 1.4 System Bias Check 

3/31/20098:47 0.1 0.0 1.3 System Bias Check 

3/31/20098:47 0.1 0.0 1.1 System Bias Check 

3/31/20098:48 0.1 0.0 1.1 System Bias Check 

3/31/20098:48 1.0 0.1 1.0 System Bias Check 

3/31/20098:48 10.7 1.3 0.8 System Bias Check 

3/31/20098:49 20.4 4.7 0.4 System Bias Check 

3/31/20098:49 21.0 4.9 0.1 System Bias Check 

3/31/20098:49 21.1 5.0 0.1 System Bias Check 

3/31/20098:50 21.1 5.0 0.1 System Bias Check 

3/31/20098:50 21.1 5.0 0.0 System Bias Check 

3/31/20098:50 8.3 1.9 0.0 System Bias Check 

3/31/20098:51 0.2 0.1 0.1 System Bias Check 

3/31/20098:51 0.1 0.1 0.4 System Bias Check 

3/31/20098:51 0.1 0.0 0.7 System Bias Check 

3/31/20098:52 0.1 0.0 0.8 System Bias Check 

3/31/20098:52 0.1 0.0 0.9 System Bias Check 

3/31/20098:52 0.1 0.0 2.0 System Bias Check 

3/31/20098:53 0.1 0.0 3.5 System Bias Check 

3/31/2009 8:53 0.1 0.0 4.0 System Bias Check 

3/31/20098:53 0.1 0.0 4.0 System Bias Check 

3/31/20098:54 0.1 0.0 4.0 System Bias Check 

3/31/20098:54 0.1 0.0 4.0 System Bias Check 

3/31/20098:54 0.1 0.0 4.0 System Bias Check 

3/31/20098:55 0.1 0.0 3.3 System Bias Check 

3/31/20098:55 16.1 1.1 1.5 In Stack 

3/31/20098:55 19.6 1.3 0.4 In Stack 

3/31/20098:56 19.6 1.3 0.5 In Stack 

3/31/20098:56 19.6 1.3 1.0 In Stack 

3/31/200910:12 19.7 1.3 4.9 In Stack 

3/31/200910:13 19.7 1.3 4.8 In Stack 

3/31/200910:13 19.7 1.3 4.9 In Stack 

3/31/200910:13 19.7 1.3 4.9 In Stack 

3/31/200910:14 19.7 1.3 4.9 In Stack 

3/31/200910:14 19.7 1.3 4.8 In Stack 

3/31/200910:14 19.7 1.3 4.9 In Stack 

3/31/200910:15 19.7 1.3 4.9 Run 1 

3/31/200910:15 19.7 1.3 5.0 Run 1 

3/31/200910:15 19.7 1.2 5.0 Run 1 

3/31/200910:16 19.7 1.2 5.1 Run 1 

3/31/200910:16 19.7 1.2 5.4 Run 1 

3/31/200910:16 19.7 1.2 5.8 Run 1 

Page 3 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/20097:56 0.1 0.0 10.8 System Bias 

3/31/20097:56 0.1 0.0 11.3 System Bias 

3/31/20097:57 0.1 0.0 11.6 System Bias 

3/31/20097:57 0.1 0.0 11.7 System Bias 

3/31/20097:57 0.1 0.0 11.8 System Bias 

3/31/20097:58 0.1 0.0 11.9 System Bias 

3/31/20097:58 0.1 0.0 11.9 System Bias 

3/31/20097:58 0.1 0.0 12.1 System Bias 

3/31/20097:59 0.1 0.0 12.2 System Bias 

3/31/20097:59 0.0 0.0 12.2 System Bias 

3/31/20097:59 0.0 0.0 12.3 System Bias 

3/31/20098:00 0.0 0.0 12.2 System Bias 

3/31/20098:00 0.0 0.0 12.3 System Bias 

3/31/20098:00 0.0 0.0 12.4 System Bias 

3/31/20098:01 0.0 0.0 12.4 System Bias 

3/31/20098:01 0.0 0.0 12.2 System Bias 

3/31/20098:01 0.0 0.0 9.0 System Bias 

3/31/20098:02 0.0 0.0 3.8 System Bias 

3/31/20098:02 0.0 0.0 1.6 System Bias 

3/31/20098:02 0.0 0.0 1.1 System Bias 

3/31/20098:03 0.0 0.0 1.0 System Bias 

3/31/20098:03 0.0 0.0 0.8 System Bias 

3/31/20098:03 0.0 0.0 0.7 System Bias 

3/31/20098:04 10.0 0.1 0.6 System Bias 

3/31/20098:04 20.9 0.1 1.1 In Stack 

3/31/20098:04 20.9 0.1 1.8 In Stack 

3/31/20098:05 20.9 0.1 1.2 In Stack 

3/31/20098:43 19.7 1.2 5.9 In Stack 

3/31/20098:43 19.7 1.2 6.1 In Stack 

3/31/2009 8:43 19.7 1.2 6.1 In Stack 

3/31/20098:44 19.7 1.2 6.0 In Stack 

3/31/20098:44 18.7 1.1 6.0 In Stack 

3/31/20098:44 2.0 0.1 5.8 System Bias Check 

3/31/20098:45 0.1 0.0 5.2 System Bias Check 

3/31/2009 8:45 0.1 0.0 4.0 System Bias Check 

3/31/20098:45 0.1 0.0 3.0 System Bias Check 

3/31/20098:46 0.1 0.0 2.3 System Bias Check 

3/31/20098:46 0.1 0.0 1.9 System Bias Check 

3/31/2009 8:46 0.1 0.0 1.6 System Bias Check 

3/31/20098:47 0.1 0.0 1.4 System Bias Check 

3/31/20098:47 0.1 0.0 1.3 System Bias Check 

3/31/20098:47 0.1 0.0 1.1 System Bias Check 

3/31/20098:48 0.1 0.0 1.1 System Bias Check 

3/31/20098:48 1.0 0.1 1.0 System Bias Check 

3/31/20098:48 10.7 1.3 0.8 System Bias Check 

3/31/20098:49 20.4 4.7 0.4 System Bias Check 

3/31/20098:49 21.0 4.9 0.1 System Bias Check 

3/31/20098:49 21.1 5.0 0.1 System Bias Check 

3/31/20098:50 21.1 5.0 0.1 System Bias Check 

3/31/20098:50 21.1 5.0 0.0 System Bias Check 

3/31/20098:50 8.3 1.9 0.0 System Bias Check 

3/31/20098:51 0.2 0.1 0.1 System Bias Check 

3/31/20098:51 0.1 0.1 0.4 System Bias Check 

3/31/20098:51 0.1 0.0 0.7 System Bias Check 

3/31/20098:52 0.1 0.0 0.8 System Bias Check 

3/31/20098:52 0.1 0.0 0.9 System Bias Check 

3/31/20098:52 0.1 0.0 2.0 System Bias Check 

3/31/20098:53 0.1 0.0 3.5 System Bias Check 

3/31/2009 8:53 0.1 0.0 4.0 System Bias Check 

3/31/20098:53 0.1 0.0 4.0 System Bias Check 

3/31/20098:54 0.1 0.0 4.0 System Bias Check 

3/31/20098:54 0.1 0.0 4.0 System Bias Check 

3/31/20098:54 0.1 0.0 4.0 System Bias Check 

3/31/20098:55 0.1 0.0 3.3 System Bias Check 

3/31/20098:55 16.1 1.1 1.5 In Stack 

3/31/20098:55 19.6 1.3 0.4 In Stack 

3/31/20098:56 19.6 1.3 0.5 In Stack 

3/31/20098:56 19.6 1.3 1.0 In Stack 

3/31/200910:12 19.7 1.3 4.9 In Stack 

3/31/200910:13 19.7 1.3 4.8 In Stack 

3/31/200910:13 19.7 1.3 4.9 In Stack 

3/31/200910:13 19.7 1.3 4.9 In Stack 

3/31/200910:14 19.7 1.3 4.9 In Stack 

3/31/200910:14 19.7 1.3 4.8 In Stack 

3/31/200910:14 19.7 1.3 4.9 In Stack 

3/31/200910:15 19.7 1.3 4.9 Run 1 

3/31/200910:15 19.7 1.3 5.0 Run 1 

3/31/200910:15 19.7 1.2 5.0 Run 1 

3/31/200910:16 19.7 1.2 5.1 Run 1 

3/31/200910:16 19.7 1.2 5.4 Run 1 

3/31/200910:16 19.7 1.2 5.8 Run 1 

Page 3 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/200910:17 19.7 1.2 6.2 Run 1 

3/31/200910:17 19.7 1.2 6.5 Run 1 

3/31/200910:17 19.7 1.2 6.8 Run 1 

3/31/200910:18 19.7 1.2 7.0 Run 1 

3/31/200910:18 19.7 1.2 7.2 Run 1 

3/31/200910:18 19.7 1.2 7.4 Run 1 

3/31/200910:19 19.7 1.2 7.5 Run 1 

3/31/200910:19 19.7 1.2 7.6 Run 1 

3/31/200910:19 19.7 1.2 7.7 Run 1 

3/31/2009 10:20 19.7 1.2 7.7 Run 1 

3/31/200910:20 19.7 1.2 7.7 Run 1 

3/31/2009 10:20 19.7 1.2 7.6 Run 1 

3/31/2009 10:21 19.7 1.2 7.5 Run 1 

3/31/2009 10:21 19.7 1.2 7.4 Run 1 

3/31/200910:21 19.7 1.2 7.3 Run 1 

3/31/200910:22 19.7 1.3 7.2 Run 1 

3/31/2009 10:22 19.7 1.3 6.9 Run 1 

3/31/2009 10:22 19.7 1.3 6.8 Run 1 

3/31/200910:23 19.6 1.3 6.7 Run 1 

3/31/2009 10:23 19.6 1.3 6.5 Run 1 

3/31/200910:23 19.6 1.3 6.6 Run 1 

3/31/200910:24 19.6 1.3 6.5 Run 1 

3/31/2009 10:24 19.6 1.3 6.3 Run 1 

3/31/200910:24 19.6 1.3 6.2 Run 1 

3/31/2009 10:25 19.6 1.4 6.0 Run 1 

3/31/200910:25 19.6 1.4 5.8 Run 1 

3/31/200910:25 19.6 1.3 5.7 Run 1 

3/31/2009 10:26 19.6 1.3 5.8 Run 1 

3/31/200910:26 19.6 1.4 5.7 Run 1 

3/31/2009 10:26 19.6 1.4 5.7 Run 1 

3/31/2009 10:27 19.6 1.4 5.6 Run 1 

3/31/200910:27 19.6 1.3 5.4 Run 1 

3/31/200910:27 19.6 1.4 5.3 Run 1 

3/31/2009 10:28 19.6 1.4 5.3 Run 1 

3/31/200910:28 19.6 1.4 5.2 Run 1 

3/31/2009 10:28 19.6 1.4 5.1 Run 1 

3/31/2009 10:29 19.6 1.4 5.1 Run 1 

3/31/200910:29 19.6 1.3 5.0 Run 1 

3/31/2009 10:29 19.6 1.3 5.0 Run 1 

3/31/2009 10:30 19.6 1.3 4.9 Run 1 

3/31/2009 10:30 19.6 1.3 4.8 Run 1 

3/31/200910:30 19.6 1.3 5.0 Run 1 

3/31/200910:31 19.6 1.3 5.1 Run 1 

3/31/200910:31 19.6 1.4 5.2 Run 1 

3/31/200910:31 19.6 1.4 5.0 Run 1 

3/31/2009 10:32 19.6 1.4 4.9 Run 1 

3/31/200910:32 19.6 1.4 4.8 Run 1 

3/31/200910:32 19.6 1.4 4.8 Run 1 

3/31/200910:33 19.6 1.4 4.7 Run 1 

3/31/2009 10:33 19.6 1.4 4.7 Run 1 

3/31/200910:33 19.6 1.4 4.6 Run 1 

3/31/200910:34 19.6 1.4 4.4 Run 1 

3/31/200910:34 19.6 1.4 4.3 Run 1 

3/31/200910:34 19.6 1.4 4.3 Run 1 

3/31/200910:35 19.6 1.4 4.2 Run 1 

3/31/200910:35 19.6 1.4 4.0 Run 1 

3/31/200910:35 19.6 1.4 3.8 Run 1 

3/31/2009 10:36 19.5 1.4 3.8 Run 1 

3/31/200910:36 19.5 1.4 3.7 Run 1 

3/31/200910:36 19.5 1.4 3.7 Run 1 

3/31/200910:37 19.6 1.4 3.7 Run 1 

3/31/200910:37 19.6 1.4 3.7 Run 1 

3/31/200910:37 19.5 1.4 3.7 Run 1 

3/31/200910:38 19.6 1.4 3.8 Run 1 

3/31/200910:38 19.6 1.4 3.9 Run 1 

3/31/200910:38 19.6 1.4 4.1 Run 1 

3/31/200910:39 19.6 1.4 4.2 Run 1 

3/31/200910:39 19.6 1.4 4.1 Run 1 

3/31/200910:39 19.6 1.4 4.2 Run 1 

3/31/2009 10:40 19.6 1.3 4.3 Run 1 

3/31/2009 10:40 19.6 1.3 4.4 Run 1 

3/31/200910:40 19.6 1.3 4.6 Run 1 

3/31/200910:41 19.6 1.3 4.8 Run 1 

3/31/200910:41 19.6 1.3 5.0 Run 1 

3/31/200910:41 19.6 1.3 5.2 Run 1 

3/31/2009 10:42 19.6 1.3 5.4 Run 1 

3/31/200910:42 19.6 1.3 5.3 Run 1 

3/31/200910:42 19.6 1.3 5.3 Run 1 

3/31/200910:43 19.6 1.3 5.2 Run 1 

3/31/200910:43 19.6 1.3 5.2 Run 1 

3/31/2009 10:43 19.6 1.3 5.2 Run 1 

Page 4 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/200910:17 19.7 1.2 6.2 Run 1 

3/31/200910:17 19.7 1.2 6.5 Run 1 

3/31/200910:17 19.7 1.2 6.8 Run 1 

3/31/200910:18 19.7 1.2 7.0 Run 1 

3/31/200910:18 19.7 1.2 7.2 Run 1 

3/31/200910:18 19.7 1.2 7.4 Run 1 

3/31/200910:19 19.7 1.2 7.5 Run 1 

3/31/200910:19 19.7 1.2 7.6 Run 1 

3/31/200910:19 19.7 1.2 7.7 Run 1 

3/31/2009 10:20 19.7 1.2 7.7 Run 1 

3/31/200910:20 19.7 1.2 7.7 Run 1 

3/31/2009 10:20 19.7 1.2 7.6 Run 1 

3/31/2009 10:21 19.7 1.2 7.5 Run 1 

3/31/2009 10:21 19.7 1.2 7.4 Run 1 

3/31/200910:21 19.7 1.2 7.3 Run 1 

3/31/200910:22 19.7 1.3 7.2 Run 1 

3/31/2009 10:22 19.7 1.3 6.9 Run 1 

3/31/2009 10:22 19.7 1.3 6.8 Run 1 

3/31/200910:23 19.6 1.3 6.7 Run 1 

3/31/2009 10:23 19.6 1.3 6.5 Run 1 

3/31/200910:23 19.6 1.3 6.6 Run 1 

3/31/200910:24 19.6 1.3 6.5 Run 1 

3/31/2009 10:24 19.6 1.3 6.3 Run 1 

3/31/200910:24 19.6 1.3 6.2 Run 1 

3/31/2009 10:25 19.6 1.4 6.0 Run 1 

3/31/200910:25 19.6 1.4 5.8 Run 1 

3/31/200910:25 19.6 1.3 5.7 Run 1 

3/31/2009 10:26 19.6 1.3 5.8 Run 1 

3/31/200910:26 19.6 1.4 5.7 Run 1 

3/31/2009 10:26 19.6 1.4 5.7 Run 1 

3/31/2009 10:27 19.6 1.4 5.6 Run 1 

3/31/200910:27 19.6 1.3 5.4 Run 1 

3/31/200910:27 19.6 1.4 5.3 Run 1 

3/31/2009 10:28 19.6 1.4 5.3 Run 1 

3/31/200910:28 19.6 1.4 5.2 Run 1 

3/31/2009 10:28 19.6 1.4 5.1 Run 1 

3/31/2009 10:29 19.6 1.4 5.1 Run 1 

3/31/200910:29 19.6 1.3 5.0 Run 1 

3/31/2009 10:29 19.6 1.3 5.0 Run 1 

3/31/2009 10:30 19.6 1.3 4.9 Run 1 

3/31/2009 10:30 19.6 1.3 4.8 Run 1 

3/31/200910:30 19.6 1.3 5.0 Run 1 

3/31/200910:31 19.6 1.3 5.1 Run 1 

3/31/200910:31 19.6 1.4 5.2 Run 1 

3/31/200910:31 19.6 1.4 5.0 Run 1 

3/31/2009 10:32 19.6 1.4 4.9 Run 1 

3/31/200910:32 19.6 1.4 4.8 Run 1 

3/31/200910:32 19.6 1.4 4.8 Run 1 

3/31/200910:33 19.6 1.4 4.7 Run 1 

3/31/2009 10:33 19.6 1.4 4.7 Run 1 

3/31/200910:33 19.6 1.4 4.6 Run 1 

3/31/200910:34 19.6 1.4 4.4 Run 1 

3/31/200910:34 19.6 1.4 4.3 Run 1 

3/31/200910:34 19.6 1.4 4.3 Run 1 

3/31/200910:35 19.6 1.4 4.2 Run 1 

3/31/200910:35 19.6 1.4 4.0 Run 1 

3/31/200910:35 19.6 1.4 3.8 Run 1 

3/31/2009 10:36 19.5 1.4 3.8 Run 1 

3/31/200910:36 19.5 1.4 3.7 Run 1 

3/31/200910:36 19.5 1.4 3.7 Run 1 

3/31/200910:37 19.6 1.4 3.7 Run 1 

3/31/200910:37 19.6 1.4 3.7 Run 1 

3/31/200910:37 19.5 1.4 3.7 Run 1 

3/31/200910:38 19.6 1.4 3.8 Run 1 

3/31/200910:38 19.6 1.4 3.9 Run 1 

3/31/200910:38 19.6 1.4 4.1 Run 1 

3/31/200910:39 19.6 1.4 4.2 Run 1 

3/31/200910:39 19.6 1.4 4.1 Run 1 

3/31/200910:39 19.6 1.4 4.2 Run 1 

3/31/2009 10:40 19.6 1.3 4.3 Run 1 

3/31/2009 10:40 19.6 1.3 4.4 Run 1 

3/31/200910:40 19.6 1.3 4.6 Run 1 

3/31/200910:41 19.6 1.3 4.8 Run 1 

3/31/200910:41 19.6 1.3 5.0 Run 1 

3/31/200910:41 19.6 1.3 5.2 Run 1 

3/31/2009 10:42 19.6 1.3 5.4 Run 1 

3/31/200910:42 19.6 1.3 5.3 Run 1 

3/31/200910:42 19.6 1.3 5.3 Run 1 

3/31/200910:43 19.6 1.3 5.2 Run 1 

3/31/200910:43 19.6 1.3 5.2 Run 1 

3/31/2009 10:43 19.6 1.3 5.2 Run 1 

Page 4 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02.fivg 

TS Percent Percent PPM 

3/31/2009 10:44 19.6 1.3 5.2 Run 1 

3/31/200910:44 19.6 1.3 5.3 Run 1 

3/31/200910:44 19.6 1.4 5.2 Run 1 

3/31/200910:45 19.6 1.4 5.3 Run 1 

3/31/200910:45 19.6 1.4 5.3 Run 1 

3/31/200910:45 19.6 1.4 5.3 Run 1 

3/31/200910:46 19.6 1.4 5.3 Run 1 

3/31/200910:46 19.6 1.4 5.2 Run 1 

3/31/200910:46 19.6 1.4 5.3 Run 1 

3/31/200910:47 19.6 1.4 5.3 Run 1 

3/31/200910:47 19.6 1.3 5.5 Run 1 

3/31/200910:47 19.6 1.3 5.5 Run 1 

3/31/200910:48 19.6 1.3 5.5 Run 1 

3/31/200910:48 19.6 1.3 5.5 Run 1 

3/31/2009 10:48 19.6 1.3 5.6 Run 1 

3/31/200910:49 19.6 1.3 5.7 Run 1 

3/31/2009 10:49 19.6 1.3 5.8 Run 1 

3/31/200910:49 19.6 1.3 6.0 Run 1 

3/31/200910:50 19.6 1.3 6.1 Run 1 

3/31/200910:50 19.7 1.3 6.2 Run 1 

3/31/200910:50 19.7 1.3 6.2 Run 1 

3/31/2009 10:51 19.7 1.3 6.2 Run 1 

3/31/200910:51 19.6 1.3 6.0 Run 1 

3/31/2009 10:51 19.7 1.3 6.0 Run 1 

3/31/200910:52 19.6 1.3 6.0 Run 1 

3/31/200910:52 19.6 1.3 6.1 Run 1 

3/31/2009 10: 52 19.6 1.3 6.2 Run 1 

3/31/200910:53 19.6 1.3 6.2 Run 1 

3/31/2009 10:53 19.6 1.3 6.2 Run 1 

3/31/2009 10:53 19.6 1.3 6.0 Run 1 

3/31/200910:54 19.6 1.4 5.9 Run 1 

3/31/200910:54 19.6 1.4 5.8 Run 1 

3/31/200910:54 19.6 1.4 5.7 Run 1 

3/31/200910:55 19.6 1.4 5.5 Run 1 

3/31/200910:55 19.6 1.4 5.4 Run 1 

3/31/200910:55 19.6 1.4 5.3 Run 1 

3/31/2009 10:56 19.6 1.4 5.2 Run 1 

3/31/2009 10:56 19.6 1.4 5.1 Run 1 

3/31/200910:56 19.6 1.4 5.1 Run 1 

3/31/200910:57 19.6 1.4 5.1 Run 1 

3/31/200910:57 19.6 1.3 5.1 Run 1 

3/31/200910:57 19.6 1.3 5.2 Run 1 

3/31/200910:58 19.6 1.3 5.3 Run 1 

3/31/200910:58 19.6 1.3 5.5 Run 1 

3/31/200910:58 19.6 1.3 5.7 Run 1 

3/31/200910:59 19.6 1.3 5.9 Run 1 

3/31/200910:59 19.7 1.3 6.2 Run 1 

3/31/200910:59 19.6 1.3 6.3 Run 1 

3/31/2009 11 :00 19.7 1.3 6.3 Run 1 

3/31/2009 11 :00 19.7 1.3 6.5 Run 1 

3/31/2009 11 :00 19.7 1.3 6.6 Run 1 

3/31/2009 11 :01 19.6 1.3 6.5 Run 1 

3/31/2009 11 :01 19.6 1.3 6.4 Run 1 

3/31/2009 11 :01 19.6 1.3 6.5 Run 1 

3/31/2009 11 :02 19.7 1.3 6.7 Run 1 

3/31/2009 11 :02 19.7 1.3 6.9 Run 1 

3/31/2009 11 :02 19.7 1.3 6.9 Run 1 

3/31/200911:03 19.7 1.3 6.9 Run 1 

3/31/200911:03 19.6 1.3 7.1 Run 1 

3/31/2009 11 :03 19.6 1.3 7.0 Run 1 

3/31/2009 11 :04 19.6 1.3 7.0 Run 1 

3/31/2009 11 :04 19.6 1.3 7.0 Run 1 

3/31/2009 11 :04 19.6 1.3 6.9 Run 1 

3/31/200911:05 19.6 1.3 6.9 Run 1 

3/31/2009 11 :05 19.6 1.3 7.0 Run 1 

3/31/2009 11 :05 19.6 1.3 7.1 Run 1 

3/31/2009 11 :06 19.6 1.4 6.9 Run 1 

3/31/2009 11 :06 19.6 1.4 6.8 Run 1 

3/31/2009 11 :06 19.6 1.4 6.7 Run 1 

3/31/2009 11 :07 19.6 1.3 6.6 Run 1 

3/31/200911:07 19.6 1.3 6.5 Run 1 

3/31/200911:07 19.6 1.3 6.5 Run 1 

3/31/2009 11 :08 19.6 1.3 6.4 Run 1 

3/31/200911:08 19.6 1.3 6.5 Run 1 

3/31/2009 11 :08 19.6 1.3 6.5 Run 1 

3/31/200911:09 19.6 1.3 6.5 Run 1 

3/31/2009 11 :09 19.6 1.4 6.5 Run 1 

3/31/2009 11 :09 19.6 1.4 6.5 Run 1 

3/31/200911:10 19.6 1.3 6.6 Run 1 

3/31/200911:10 19.6 1.3 6.6 Run 1 

3/31/200911:10 19.6 1.3 6.5 Run 1 

Page 5 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02.fivg 

TS Percent Percent PPM 

3/31/2009 10:44 19.6 1.3 5.2 Run 1 

3/31/200910:44 19.6 1.3 5.3 Run 1 

3/31/200910:44 19.6 1.4 5.2 Run 1 

3/31/200910:45 19.6 1.4 5.3 Run 1 

3/31/200910:45 19.6 1.4 5.3 Run 1 

3/31/200910:45 19.6 1.4 5.3 Run 1 

3/31/200910:46 19.6 1.4 5.3 Run 1 

3/31/200910:46 19.6 1.4 5.2 Run 1 

3/31/200910:46 19.6 1.4 5.3 Run 1 

3/31/200910:47 19.6 1.4 5.3 Run 1 

3/31/200910:47 19.6 1.3 5.5 Run 1 

3/31/200910:47 19.6 1.3 5.5 Run 1 

3/31/200910:48 19.6 1.3 5.5 Run 1 

3/31/200910:48 19.6 1.3 5.5 Run 1 

3/31/2009 10:48 19.6 1.3 5.6 Run 1 

3/31/200910:49 19.6 1.3 5.7 Run 1 

3/31/2009 10:49 19.6 1.3 5.8 Run 1 

3/31/200910:49 19.6 1.3 6.0 Run 1 

3/31/200910:50 19.6 1.3 6.1 Run 1 

3/31/200910:50 19.7 1.3 6.2 Run 1 

3/31/200910:50 19.7 1.3 6.2 Run 1 

3/31/2009 10:51 19.7 1.3 6.2 Run 1 

3/31/200910:51 19.6 1.3 6.0 Run 1 

3/31/2009 10:51 19.7 1.3 6.0 Run 1 

3/31/200910:52 19.6 1.3 6.0 Run 1 

3/31/200910:52 19.6 1.3 6.1 Run 1 

3/31/2009 10: 52 19.6 1.3 6.2 Run 1 

3/31/200910:53 19.6 1.3 6.2 Run 1 

3/31/2009 10:53 19.6 1.3 6.2 Run 1 

3/31/2009 10:53 19.6 1.3 6.0 Run 1 

3/31/200910:54 19.6 1.4 5.9 Run 1 

3/31/200910:54 19.6 1.4 5.8 Run 1 

3/31/200910:54 19.6 1.4 5.7 Run 1 

3/31/200910:55 19.6 1.4 5.5 Run 1 

3/31/200910:55 19.6 1.4 5.4 Run 1 

3/31/200910:55 19.6 1.4 5.3 Run 1 

3/31/2009 10:56 19.6 1.4 5.2 Run 1 

3/31/2009 10:56 19.6 1.4 5.1 Run 1 

3/31/200910:56 19.6 1.4 5.1 Run 1 

3/31/200910:57 19.6 1.4 5.1 Run 1 

3/31/200910:57 19.6 1.3 5.1 Run 1 

3/31/200910:57 19.6 1.3 5.2 Run 1 

3/31/200910:58 19.6 1.3 5.3 Run 1 

3/31/200910:58 19.6 1.3 5.5 Run 1 

3/31/200910:58 19.6 1.3 5.7 Run 1 

3/31/200910:59 19.6 1.3 5.9 Run 1 

3/31/200910:59 19.7 1.3 6.2 Run 1 

3/31/200910:59 19.6 1.3 6.3 Run 1 

3/31/2009 11 :00 19.7 1.3 6.3 Run 1 

3/31/2009 11 :00 19.7 1.3 6.5 Run 1 

3/31/2009 11 :00 19.7 1.3 6.6 Run 1 

3/31/2009 11 :01 19.6 1.3 6.5 Run 1 

3/31/2009 11 :01 19.6 1.3 6.4 Run 1 

3/31/2009 11 :01 19.6 1.3 6.5 Run 1 

3/31/2009 11 :02 19.7 1.3 6.7 Run 1 

3/31/2009 11 :02 19.7 1.3 6.9 Run 1 

3/31/2009 11 :02 19.7 1.3 6.9 Run 1 

3/31/200911:03 19.7 1.3 6.9 Run 1 

3/31/200911:03 19.6 1.3 7.1 Run 1 

3/31/2009 11 :03 19.6 1.3 7.0 Run 1 

3/31/2009 11 :04 19.6 1.3 7.0 Run 1 

3/31/2009 11 :04 19.6 1.3 7.0 Run 1 

3/31/2009 11 :04 19.6 1.3 6.9 Run 1 

3/31/200911:05 19.6 1.3 6.9 Run 1 

3/31/2009 11 :05 19.6 1.3 7.0 Run 1 

3/31/2009 11 :05 19.6 1.3 7.1 Run 1 

3/31/2009 11 :06 19.6 1.4 6.9 Run 1 

3/31/2009 11 :06 19.6 1.4 6.8 Run 1 

3/31/2009 11 :06 19.6 1.4 6.7 Run 1 

3/31/2009 11 :07 19.6 1.3 6.6 Run 1 

3/31/200911:07 19.6 1.3 6.5 Run 1 

3/31/200911:07 19.6 1.3 6.5 Run 1 

3/31/2009 11 :08 19.6 1.3 6.4 Run 1 

3/31/200911:08 19.6 1.3 6.5 Run 1 

3/31/2009 11 :08 19.6 1.3 6.5 Run 1 

3/31/200911:09 19.6 1.3 6.5 Run 1 

3/31/2009 11 :09 19.6 1.4 6.5 Run 1 

3/31/2009 11 :09 19.6 1.4 6.5 Run 1 

3/31/200911:10 19.6 1.3 6.6 Run 1 

3/31/200911:10 19.6 1.3 6.6 Run 1 

3/31/200911:10 19.6 1.3 6.5 Run 1 

Page 5 of 17 
ArcelorMittal Minorca Mine. Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02Jwg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/2009 11 :11 19.6 1.3 6.4 Run 1 

3/31/200911:11 19.6 1.3 6.4 Run 1 

3/31/200911 :11 19.6 1.3 6.4 Run 1 

3/31/200911:12 19.6 1.3 6.3 Run 1 

3/31/200911:12 19.6 1.3 6.3 Run 1 

3/31/200911:12 19.6 1.4 6.2 Run 1 

3/31/200911:13 19.6 1.4 6.2 Run 1 

3/31/200911:13 19.6 1.4 6.1 Run 1 

3/31/2009 11 :13 19.6 1.3 6.0 Run 1 

3/31/2009 11 :14 19.6 1.3 6.0 Run 1 

3/31/2009 11 :14 19.6 1.3 5.9 Run 1 

3/31/2009 11 :14 19.6 1.3 5.8 Run 1 

3/31/2009 11 :15 19.6 1.3 5.7 

3/31/200911:15 19.6 1.3 5.8 

3/31/200911:15 19.6 1.4 5.9 

3/31/200911:16 19.6 1.4 5.8 

3/31/200911:16 19.6 1.4 5.8 

3/31/200911:16 19.6 1.4 5.7 

3/31/2009 11 :17 6.3 0.4 5.7 

3/31/200911:17 0.2 0.0 5.5 

3/31/2009 11 :17 0.1 0.0 4.7 

3/31/2009 11 :18 0.1 0.0 3.9 Bias Drift Check 

3/31/200911:18 0.1 0.0 3.1 Bias Drift Check 

3/31/2009 11 :18 0.1 0.0 2.5 Bias Drift Check 

3/31/200911:19 0.1 0.0 2.1 Bias Drift Check 

3/31/2009 11 :19 0.1 0.0 1.9 Bias Drift Check 

3/31/200911:19 0.1 0.0 1.6 Bias Drift Check 

3/31/2009 11 :20 0.1 0.0 1.4 Bias Drift Check 

3/31/200911:20 0.1 0.0 1.3 Bias Drift Check 

3/31/2009 11 :20 0.1 0.0 1.2 Bias Drift Check 

3/31/2009 11 :21 0.1 0.0 1.2 Bias Drift Check 

3/31/2009 11 :21 0.1 0.0 1.1 Bias Drift Check 

3/31/2009 11 :21 0.1 0.0 1.0 Bias Drift Check 

3/31/2009 11 :22 0.1 0.0 0.9 Bias Drift Check 

3/31/2009 11 :22 0.1 0.0 0.9 Bias Drift Check 

3/31/2009 11 :22 0.1 0.0 1.8 Bias Drift Check 

3/31/2009 11 :23 0.1 0.0 3.3 Bias Drift Check 

3/31/2009 11 :23 0.1 0.0 4.0 Bias Drift Check 

3/31/2009 11 :23 0.1 0.0 4.1 Bias Drift Check 

3/31/2009 11 :24 0.1 0.0 4.1 Bias Drift Check 

3/31/2009 11 :24 0.1 0.0 4.0 Bias Drift Check 

3/31/2009 11 :24 0.1 0.0 4.0 Bias Drift Check 

3/31/2009 11 :25 0.5 0.1 3.9 Bias Drift Check 

3/31/2009 11 :25 10.8 2.4 3.2 Bias Drift Check 

3/31/2009 11 :25 20.9 4.9 1.0 Bias Drift Check 

3/31/200911:26 21.0 5.0 -0.2 Bias Drift Check 

3/31/2009 11 :26 21.1 5.0 -0.3 Bias Drift Check 

3/31/200911:26 21.1 5.0 -0.3 Bias Drift Check 

3/31/2009 11 :27 21.1 5.0 -0.3 Bias Drift Check 

3/31/200911:27 12.3 2.9 -0.3 Bias Drift Check 

3/31/2009 11 :27 0.2 0.1 -0.3 Bias Drift Check 

3/31/2009 11 :28 0.1 0.1 0.0 Bias Drift Check 

3/31/2009 11 :28 0.1 0.1 0.3 Bias Drift Check 

3/31/2009 11 :28 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :29 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :29 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :29 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :30 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :30 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :30 0.1 0.0 1.1 Bias Drift Check 

3/31/2009 11 :31 0.1 0.0 2.5 Bias Drift Check 

3/31/2009 11 :31 0.1 0.0 4.6 Bias Drift Check 

3/31/2009 11 :31 0.1 0.0 6.6 Bias Drift Check 

3/31/2009 11 :32 0.1 0.0 8.0 Bias Drift Check 

3/31/2009 11 :32 0.1 0.0 6.9 Bias Drift Check 

3131/2009 11 :32 0.1 0.0 9.8 Bias Drift Check 

3/31/200911:33 0.1 0.0 10.5 Bias Drift Check 

3/31/2009 11 :33 0.1 0.0 10.6 Bias Drift Check 

3/31/2009 11:33 0.1 0.0 11.1 Bias Drift Check 

3/31/2009 11 :34 0.0 0.0 11.4 Bias Drift Check 

3/31/200911:34 0.0 0.0 11.5 Bias Drift Check 

3/31/2009 11 :34 0.0 0.0 11.7 Bias Drift Check 

3/31/200911:35 0.1 0.0 11.9 Bias Drift Check 

3/31/2009 11 :35 0.0 0.0 12.1 Bias Drift Check 

3/31/2009 11 :35 0.0 0.0 12.1 Bias Drift Check 

3/31/2009 11 :36 0.0 0.0 12.3 Bias Drift Check 

3/31/200911:36 0.0 0.0 12.5 Bias Drift Check 

3/31/2009 11 :36 0.0 0.0 12.5 Bias Drift Check 

3/31/2009 11 :37 0.0 0.0 12.4 Bias Drift Check 

3/31/2009 11 :37 0.0 0.0 12.1 Bias Drift Check 

3/31/200911:37 0.0 0.0 10.2 Bias Drift Check 

Page 6 of 17 

ArcelorMittal Minorca Mine. Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02Jwg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/2009 11 :11 19.6 1.3 6.4 Run 1 

3/31/200911:11 19.6 1.3 6.4 Run 1 

3/31/200911 :11 19.6 1.3 6.4 Run 1 

3/31/200911:12 19.6 1.3 6.3 Run 1 

3/31/200911:12 19.6 1.3 6.3 Run 1 

3/31/200911:12 19.6 1.4 6.2 Run 1 

3/31/200911:13 19.6 1.4 6.2 Run 1 

3/31/200911:13 19.6 1.4 6.1 Run 1 

3/31/2009 11 :13 19.6 1.3 6.0 Run 1 

3/31/2009 11 :14 19.6 1.3 6.0 Run 1 

3/31/2009 11 :14 19.6 1.3 5.9 Run 1 

3/31/2009 11 :14 19.6 1.3 5.8 Run 1 

3/31/2009 11 :15 19.6 1.3 5.7 

3/31/200911:15 19.6 1.3 5.8 

3/31/200911:15 19.6 1.4 5.9 

3/31/200911:16 19.6 1.4 5.8 

3/31/200911:16 19.6 1.4 5.8 

3/31/200911:16 19.6 1.4 5.7 

3/31/2009 11 :17 6.3 0.4 5.7 

3/31/200911:17 0.2 0.0 5.5 

3/31/2009 11 :17 0.1 0.0 4.7 

3/31/2009 11 :18 0.1 0.0 3.9 Bias Drift Check 

3/31/200911:18 0.1 0.0 3.1 Bias Drift Check 

3/31/2009 11 :18 0.1 0.0 2.5 Bias Drift Check 

3/31/200911:19 0.1 0.0 2.1 Bias Drift Check 

3/31/2009 11 :19 0.1 0.0 1.9 Bias Drift Check 

3/31/200911:19 0.1 0.0 1.6 Bias Drift Check 

3/31/2009 11 :20 0.1 0.0 1.4 Bias Drift Check 

3/31/200911:20 0.1 0.0 1.3 Bias Drift Check 

3/31/2009 11 :20 0.1 0.0 1.2 Bias Drift Check 

3/31/2009 11 :21 0.1 0.0 1.2 Bias Drift Check 

3/31/2009 11 :21 0.1 0.0 1.1 Bias Drift Check 

3/31/2009 11 :21 0.1 0.0 1.0 Bias Drift Check 

3/31/2009 11 :22 0.1 0.0 0.9 Bias Drift Check 

3/31/2009 11 :22 0.1 0.0 0.9 Bias Drift Check 

3/31/2009 11 :22 0.1 0.0 1.8 Bias Drift Check 

3/31/2009 11 :23 0.1 0.0 3.3 Bias Drift Check 

3/31/2009 11 :23 0.1 0.0 4.0 Bias Drift Check 

3/31/2009 11 :23 0.1 0.0 4.1 Bias Drift Check 

3/31/2009 11 :24 0.1 0.0 4.1 Bias Drift Check 

3/31/2009 11 :24 0.1 0.0 4.0 Bias Drift Check 

3/31/2009 11 :24 0.1 0.0 4.0 Bias Drift Check 

3/31/2009 11 :25 0.5 0.1 3.9 Bias Drift Check 

3/31/2009 11 :25 10.8 2.4 3.2 Bias Drift Check 

3/31/2009 11 :25 20.9 4.9 1.0 Bias Drift Check 

3/31/200911:26 21.0 5.0 -0.2 Bias Drift Check 

3/31/2009 11 :26 21.1 5.0 -0.3 Bias Drift Check 

3/31/200911:26 21.1 5.0 -0.3 Bias Drift Check 

3/31/2009 11 :27 21.1 5.0 -0.3 Bias Drift Check 

3/31/200911:27 12.3 2.9 -0.3 Bias Drift Check 

3/31/2009 11 :27 0.2 0.1 -0.3 Bias Drift Check 

3/31/2009 11 :28 0.1 0.1 0.0 Bias Drift Check 

3/31/2009 11 :28 0.1 0.1 0.3 Bias Drift Check 

3/31/2009 11 :28 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :29 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :29 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :29 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :30 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :30 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 11 :30 0.1 0.0 1.1 Bias Drift Check 

3/31/2009 11 :31 0.1 0.0 2.5 Bias Drift Check 

3/31/2009 11 :31 0.1 0.0 4.6 Bias Drift Check 

3/31/2009 11 :31 0.1 0.0 6.6 Bias Drift Check 

3/31/2009 11 :32 0.1 0.0 8.0 Bias Drift Check 

3/31/2009 11 :32 0.1 0.0 6.9 Bias Drift Check 

3131/2009 11 :32 0.1 0.0 9.8 Bias Drift Check 

3/31/200911:33 0.1 0.0 10.5 Bias Drift Check 

3/31/2009 11 :33 0.1 0.0 10.6 Bias Drift Check 

3/31/2009 11:33 0.1 0.0 11.1 Bias Drift Check 

3/31/2009 11 :34 0.0 0.0 11.4 Bias Drift Check 

3/31/200911:34 0.0 0.0 11.5 Bias Drift Check 

3/31/2009 11 :34 0.0 0.0 11.7 Bias Drift Check 

3/31/200911:35 0.1 0.0 11.9 Bias Drift Check 

3/31/2009 11 :35 0.0 0.0 12.1 Bias Drift Check 

3/31/2009 11 :35 0.0 0.0 12.1 Bias Drift Check 

3/31/2009 11 :36 0.0 0.0 12.3 Bias Drift Check 

3/31/200911:36 0.0 0.0 12.5 Bias Drift Check 

3/31/2009 11 :36 0.0 0.0 12.5 Bias Drift Check 

3/31/2009 11 :37 0.0 0.0 12.4 Bias Drift Check 

3/31/2009 11 :37 0.0 0.0 12.1 Bias Drift Check 

3/31/200911:37 0.0 0.0 10.2 Bias Drift Check 

Page 6 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/2009 11 :38 0.0 0.0 7.4 Bias Drift Check 

3/31/2009 11 :38 0.0 0.0 5.4 Bias Drift Check 

3/31/2009 11 :38 0.0 0.0 4.2 Bias Drift Check 

3/31/2009 11 :39 0.0 0.0 3.4 Bias Drift Check 

3/31/2009 11 :39 0.0 0.0 2.9 Bias Drift Check 

3/31/200911:39 0.0 0.0 2.3 Bias Drift Check 

3/31/2009 11 :40 0.0 0.0 2.0 Bias Drift Check 

3/31/2009 11 :40 11.0 0.8 1.8 In Stack 

3/31/2009 11 :40 19.5 1.4 2.1 In Stack 

3/31/200911:41 19.5 1.4 3.4 In Stack 

3/31/200911:41 19.5 1.4 4.2 In Stack 

3/31/200911:41 19.5 1.4 4.5 In Stack 

3/31/200911:42 19.5 1.4 4.7 In Stack 

3/31/2009 11 :42 19.6 1.4 4.7 In Stack 

3/31/2009 11:42 19.6 1.4 4.8 In Stack 

3/31/2009 11 :43 19.6 1.4 4.7 In Stack 

3/31/2009 11 :43 19.6 1.4 4.7 In Stack 

3/31/2009 11 :43 19.6 1.4 4.7 In Stack 

3/31/2009 11 :44 19.6 1.4 4.6 In Stack 

3/31/2009 11 :44 19.6 1.4 4.7 In Stack 

3/31/2009 11 :44 19.6 1.4 4.8 In Stack 

3/31/2009 11 :45 19.6 1.4 4.9 In Stack 

3/31/2009 11 :45 19.6 1.4 5.1 In Stack 

3/31/200911:45 19.6 1.4 5.4 In Stack 

3/31/2009 11 :46 19.6 1.4 5.6 In Stack 

3/31/2009 11 :46 19.6 1.4 5.9 In Stack 

3/31/2009 11 :46 19.6 1.4 6.2 In Stack 

3/31/2009 11 :47 19.6 1.4 6.3 In Stack 

3/31/2009 11 :47 19.6 1.4 6.5 In Stack 

3/31/200911 :47 19.6 1.4 6.6 In Stack 

3/31/2009 11 :48 19.6 1.4 6.5 In Stack 

3/31/2009 11 :48 19.6 1.4 6.5 In Stack 

3/31/2009 11 :48 19.6 1.4 6.4 In Stack 

3/31/2009 11 :49 19.6 1.4 6.3 In Stack 

3/31/2009 11 :49 19.6 1.4 6.2 In Stack 

3/31/2009 11 :49 19.6 1.4 6.1 In Stack 

3/31/2009 11 :50 19.6 1.4 6.2 In Stack 

3/31/2009 11 :50 19.6 1.4 6.2 In Stack 

3/31/2009 11 :50 19.6 1.4 6.2 In Stack 

3/31/2009 11 :51 19.6 1.4 6.0 In Stack 

3/31/2009 11 :51 19.6 1.4 6.0 In Stack 

3/31/2009 11 :51 19.6 1.4 5.9 In Stack 

3/31/2009 11 :52 19.6 1.4 5.8 In Stack 

3/31/200911:52 19.6 1.4 5.7 In Stack 

3/31/2009 11 :52 19.6 1.4 5.6 In Stack 

3/31/200911:53 19.6 1.4 5.6 In Stack 

3/31/2009 11 :53 19.6 1.4 5.5 In Stack 

3/31/2009 11 :53 19.6 1.4 5.6 In Stack 

3/31/200911:54 19.6 1.4 5.7 In Stack 

3/31/200911:54 19.6 1.4 5.8 In Stack 

3/31/2009 11 :54 19.6 1.4 5.9 In Stack 

3/31/2009 11 :55 19.6 1.4 5.9 In Stack 

3/31/2009 11 :55 19.6 1.4 6.0 In Stack 

3/31/200911:55 19.6 1.4 6.0 In Stack 

3/31/2009 11 :56 19.6 1.4 6.0 In Stack 

3/31/2009 11 :56 19.6 1.4 5.9 In Stack 

3/31/200911:56 19.6 1.4 5.7 In Stack 

3/31/2009 11 :57 19.6 1.4 5.5 In Stack 

3/31/200911:57 19.6 1.4 5.5 In Stack 

3/31/2009 11 :57 19.6 1.4 5.5 In Stack 

3/31/2009 11 :58 19.6 1.4 5.3 In Stack 

3/31/2009 11 :58 19.6 1.4 5.2 In Stack 

3/31/200911:58 19.6 1.4 5.0 In Stack 

3/31/200911:59 19.6 1.4 4.9 In Stack 

3/31/2009 11 :59 19.6 1.4 4.7 In Stack 

3/31/2009 11 :59 19.6 1.4 4.6 In Stack 

3/31/200912:00 19.6 1.4 4.4 In Stack 

3/31/2009 12:00 19.6 1.4 4.4 In Stack 

3/31/200912:00 19.6 1.4 4.4 In Stack 

3/31/200912:01 19.6 1.4 4.2 In Stack 

3/31/200912:01 19.6 1.4 4.1 In Stack 

3/31/200912:01 19.6 1.4 4.1 In Stack 

3/31/200912:02 19.6 1.4 4.2 In Stack 

3/31/200912:02 19.6 1.4 4.3 In Stack 

3/31/200912:02 19.6 1.4 4.5 In Stack 

3/31/200912:03 19.6 1.4 4.5 In Stack 

3/31/200912:03 19.6 1.4 4.6 In Stack 

3/31/2009 12:03 19.6 1.4 4.7 In Stack 

3/31/200912:04 19.6 1.4 4.6 In Stack 

3/31/200912:04 19.6 1.4 4.5 In Stack 

3/31/2009 12:04 19.6 1.4 4.3 In Stack 

Page 7 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/2009 11 :38 0.0 0.0 7.4 Bias Drift Check 

3/31/2009 11 :38 0.0 0.0 5.4 Bias Drift Check 

3/31/2009 11 :38 0.0 0.0 4.2 Bias Drift Check 

3/31/2009 11 :39 0.0 0.0 3.4 Bias Drift Check 

3/31/2009 11 :39 0.0 0.0 2.9 Bias Drift Check 

3/31/200911:39 0.0 0.0 2.3 Bias Drift Check 

3/31/2009 11 :40 0.0 0.0 2.0 Bias Drift Check 

3/31/2009 11 :40 11.0 0.8 1.8 In Stack 

3/31/2009 11 :40 19.5 1.4 2.1 In Stack 

3/31/200911:41 19.5 1.4 3.4 In Stack 

3/31/200911:41 19.5 1.4 4.2 In Stack 

3/31/200911:41 19.5 1.4 4.5 In Stack 

3/31/200911:42 19.5 1.4 4.7 In Stack 

3/31/2009 11 :42 19.6 1.4 4.7 In Stack 

3/31/2009 11:42 19.6 1.4 4.8 In Stack 

3/31/2009 11 :43 19.6 1.4 4.7 In Stack 

3/31/2009 11 :43 19.6 1.4 4.7 In Stack 

3/31/2009 11 :43 19.6 1.4 4.7 In Stack 

3/31/2009 11 :44 19.6 1.4 4.6 In Stack 

3/31/2009 11 :44 19.6 1.4 4.7 In Stack 

3/31/2009 11 :44 19.6 1.4 4.8 In Stack 

3/31/2009 11 :45 19.6 1.4 4.9 In Stack 

3/31/2009 11 :45 19.6 1.4 5.1 In Stack 

3/31/200911:45 19.6 1.4 5.4 In Stack 

3/31/2009 11 :46 19.6 1.4 5.6 In Stack 

3/31/2009 11 :46 19.6 1.4 5.9 In Stack 

3/31/2009 11 :46 19.6 1.4 6.2 In Stack 

3/31/2009 11 :47 19.6 1.4 6.3 In Stack 

3/31/2009 11 :47 19.6 1.4 6.5 In Stack 

3/31/200911 :47 19.6 1.4 6.6 In Stack 

3/31/2009 11 :48 19.6 1.4 6.5 In Stack 

3/31/2009 11 :48 19.6 1.4 6.5 In Stack 

3/31/2009 11 :48 19.6 1.4 6.4 In Stack 

3/31/2009 11 :49 19.6 1.4 6.3 In Stack 

3/31/2009 11 :49 19.6 1.4 6.2 In Stack 

3/31/2009 11 :49 19.6 1.4 6.1 In Stack 

3/31/2009 11 :50 19.6 1.4 6.2 In Stack 

3/31/2009 11 :50 19.6 1.4 6.2 In Stack 

3/31/2009 11 :50 19.6 1.4 6.2 In Stack 

3/31/2009 11 :51 19.6 1.4 6.0 In Stack 

3/31/2009 11 :51 19.6 1.4 6.0 In Stack 

3/31/2009 11 :51 19.6 1.4 5.9 In Stack 

3/31/2009 11 :52 19.6 1.4 5.8 In Stack 

3/31/200911:52 19.6 1.4 5.7 In Stack 

3/31/2009 11 :52 19.6 1.4 5.6 In Stack 

3/31/200911:53 19.6 1.4 5.6 In Stack 

3/31/2009 11 :53 19.6 1.4 5.5 In Stack 

3/31/2009 11 :53 19.6 1.4 5.6 In Stack 

3/31/200911:54 19.6 1.4 5.7 In Stack 

3/31/200911:54 19.6 1.4 5.8 In Stack 

3/31/2009 11 :54 19.6 1.4 5.9 In Stack 

3/31/2009 11 :55 19.6 1.4 5.9 In Stack 

3/31/2009 11 :55 19.6 1.4 6.0 In Stack 

3/31/200911:55 19.6 1.4 6.0 In Stack 

3/31/2009 11 :56 19.6 1.4 6.0 In Stack 

3/31/2009 11 :56 19.6 1.4 5.9 In Stack 

3/31/200911:56 19.6 1.4 5.7 In Stack 

3/31/2009 11 :57 19.6 1.4 5.5 In Stack 

3/31/200911:57 19.6 1.4 5.5 In Stack 

3/31/2009 11 :57 19.6 1.4 5.5 In Stack 

3/31/2009 11 :58 19.6 1.4 5.3 In Stack 

3/31/2009 11 :58 19.6 1.4 5.2 In Stack 

3/31/200911:58 19.6 1.4 5.0 In Stack 

3/31/200911:59 19.6 1.4 4.9 In Stack 

3/31/2009 11 :59 19.6 1.4 4.7 In Stack 

3/31/2009 11 :59 19.6 1.4 4.6 In Stack 

3/31/200912:00 19.6 1.4 4.4 In Stack 

3/31/2009 12:00 19.6 1.4 4.4 In Stack 

3/31/200912:00 19.6 1.4 4.4 In Stack 

3/31/200912:01 19.6 1.4 4.2 In Stack 

3/31/200912:01 19.6 1.4 4.1 In Stack 

3/31/200912:01 19.6 1.4 4.1 In Stack 

3/31/200912:02 19.6 1.4 4.2 In Stack 

3/31/200912:02 19.6 1.4 4.3 In Stack 

3/31/200912:02 19.6 1.4 4.5 In Stack 

3/31/200912:03 19.6 1.4 4.5 In Stack 

3/31/200912:03 19.6 1.4 4.6 In Stack 

3/31/2009 12:03 19.6 1.4 4.7 In Stack 

3/31/200912:04 19.6 1.4 4.6 In Stack 

3/31/200912:04 19.6 1.4 4.5 In Stack 

3/31/2009 12:04 19.6 1.4 4.3 In Stack 

Page 7 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/200912:05 19.6 1.5 4.2 In Stack 

3/31/2009 12:05 19.6 1.4 4.1 In Stack 

3/31/200912:05 19.6 1.4 4.0 In Stack 

3/31/200912:06 19.6 1.4 3.9 In Stack 

3/31/200912:06 19.6 1.5 3.9 In Stack 

3/31/200912:06 19.6 1.4 4.0 In Stack 

3/31/200912:07 19.6 1.4 4.1 In Stack 

3/31/2009 12:07 19.6 1.4 4.2 In Stack 

3/31/2009 12:07 19.6 1.4 4.2 In Stack 

3/31/200912:08 19.6 1.4 4.3 In Stack 

3/31/200912:08 19.6 1.4 4.4 In Stack 

3/31/2009 12:08 19.6 1.4 4.5 In Stack 

3/31/200912:09 19.6 1.4 4.6 In Stack 

3/31/200912:09 19.6 1.4 4.6 In Stack 

3/31/2009 12:09 19.6 1.4 4.7 In Stack 

3/31/200912:10 19.6 1.4 4.9 Run 2 

3/31/200912:10 19.6 1.4 5.0 Run 2 

3/31/200912:10 19.6 1.4 5.1 Run 2 

3/31/200912:11 19.6 1.4 5.2 Run 2 

3/31/200912:11 19.6 1.4 5.2 Run 2 

3/31/2009 12:11 19.6 1.4 5.3 Run 2 

3/31/200912:12 19.6 1.4 5.4 Run 2 

3/31/200912:12 19.6 1.4 5.4 Run 2 

3/31/200912:12 19.6 1.4 5.4 Run 2 

3/31/200912:13 19.6 1.4 5.3 Run 2 

3/31/200912:13 19.6 1.4 5.2 Run 2 

3/31/200912:13 19.6 1.4 5.2 Run 2 

3/31/200912:14 19.6 1.4 5.1 Run 2 

3/31/200912:14 19.6 1.4 5.0 Run 2 

3/31/2009 12:14 19.6 1.4 5.0 Run 2 

3/31/200912:15 19.6 1.4 5.0 Run 2 

3/31/2009 12:15 19.6 1.4 5.0 Run 2 

3/31/200912:15 19.6 1.4 5.0 Run 2 

3/31/200912:16 19.6 1.4 5.1 Run 2 

3/31/200912:16 19.6 1.4 5.0 Run 2 

3/31/200912:16 19.6 1.4 5.0 Run 2 

3/31/200912:17 19.6 1.4 5.1 Run 2 

3/31/200912:17 19.6 1.4 5.2 Run 2 

3/31/200912:17 19.6 1.4 5.2 Run 2 

3/31/200912:18 19.6 1.4 5.3 Run 2 

3/31/200912:18 19.6 1.4 5.3 Run 2 

3/31/200912:18 19.6 1.4 5.3 Run 2 

3/31/2009 12:19 19.6 1.4 5.3 Run 2 

3/31/200912:19 19.6 1.4 5.2 Run 2 

3/31/200912:19 19.6 1.4 5.2 Run 2 

3/31/200912:20 19.6 1.4 5.1 Run 2 

3/31/200912:20 19.6 1.4 5.0 Run 2 

3/31/2009 12:20 19.6 1.4 5.0 Run 2 

3/31/200912:21 19.6 1.4 4.8 Run 2 

3/31/200912:21 19.6 1.4 4.6 Run 2 

3/31/2009 12:21 19.6 1.4 4.5 Run 2 

3/31/200912:22 19.6 1.4 4.4 Run 2 

3/31/200912:22 19.6 1.4 4.4 Run 2 

3/31/200912:22 19.6 1.4 4.4 Run 2 

3/31/2009 12:23 19.6 1.4 4.6 Run 2 

3/31/2009 12:23 19.6 1.4 4.6 Run 2 

3/31/2009 12:23 19.6 1.4 4.6 Run 2 

3/31/2009 12:24 19.6 1.4 4.7 Run 2 

3/31/2009 12:24 19.6 1.4 4.7 Run 2 

3/31/2009 12:24 19.6 1.4 4.7 Run 2 

3/31/200912:25 19.6 1.4 4.8 Run 2 

3/31/200912:25 19.6 1.4 4.7 Run 2 

3/31/2009 12:25 19.6 1.4 4.8 Run 2 

3/31/200912:26 19.6 1.4 4.8 Run 2 

3/31/2009 12:26 19.6 1.4 4.8 Run 2 

3/31/200912:26 19.6 1.4 4.6 Run 2 

3/31/200912:27 19.6 1.4 4.5 Run 2 

3/31/2009 12:27 19.6 1.4 4.4 Run 2 

3/31/2009 12:27 19.5 1.4 4.2 Run 2 

3/31/200912:28 19.6 1.4 4.1 Run 2 

3/31/2009 12:28 19.5 1.5 4.0 Run 2 

3/31/200912:28 19.5 1.5 3.8 Run 2 

3/31/200912:29 19.5 1.5 3.6 Run 2 

3/31/2009 12:29 19.5 1.5 3.4 Run 2 

3/31/2009 12:29 19.5 1.5 3.3 Run 2 

3/31/200912:30 19.5 1.5 3.1 Run 2 

3/31/200912:30 19.5 1.5 3.1 Run 2 

3/31/2009 12:30 19.5 1.5 3.1 Run 2 

3/31/200912:31 19.6 1.4 3.2 Run 2 

3/31/200912:31 19.6 1.4 3.2 Run 2 

3/31/2009 12:31 19.5 1.4 3.3 Run 2 

Page 8 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/200912:05 19.6 1.5 4.2 In Stack 

3/31/2009 12:05 19.6 1.4 4.1 In Stack 

3/31/200912:05 19.6 1.4 4.0 In Stack 

3/31/200912:06 19.6 1.4 3.9 In Stack 

3/31/200912:06 19.6 1.5 3.9 In Stack 

3/31/200912:06 19.6 1.4 4.0 In Stack 

3/31/200912:07 19.6 1.4 4.1 In Stack 

3/31/2009 12:07 19.6 1.4 4.2 In Stack 

3/31/2009 12:07 19.6 1.4 4.2 In Stack 

3/31/200912:08 19.6 1.4 4.3 In Stack 

3/31/200912:08 19.6 1.4 4.4 In Stack 

3/31/2009 12:08 19.6 1.4 4.5 In Stack 

3/31/200912:09 19.6 1.4 4.6 In Stack 

3/31/200912:09 19.6 1.4 4.6 In Stack 

3/31/2009 12:09 19.6 1.4 4.7 In Stack 

3/31/200912:10 19.6 1.4 4.9 Run 2 

3/31/200912:10 19.6 1.4 5.0 Run 2 

3/31/200912:10 19.6 1.4 5.1 Run 2 

3/31/200912:11 19.6 1.4 5.2 Run 2 

3/31/200912:11 19.6 1.4 5.2 Run 2 

3/31/2009 12:11 19.6 1.4 5.3 Run 2 

3/31/200912:12 19.6 1.4 5.4 Run 2 

3/31/200912:12 19.6 1.4 5.4 Run 2 

3/31/200912:12 19.6 1.4 5.4 Run 2 

3/31/200912:13 19.6 1.4 5.3 Run 2 

3/31/200912:13 19.6 1.4 5.2 Run 2 

3/31/200912:13 19.6 1.4 5.2 Run 2 

3/31/200912:14 19.6 1.4 5.1 Run 2 

3/31/200912:14 19.6 1.4 5.0 Run 2 

3/31/2009 12:14 19.6 1.4 5.0 Run 2 

3/31/200912:15 19.6 1.4 5.0 Run 2 

3/31/2009 12:15 19.6 1.4 5.0 Run 2 

3/31/200912:15 19.6 1.4 5.0 Run 2 

3/31/200912:16 19.6 1.4 5.1 Run 2 

3/31/200912:16 19.6 1.4 5.0 Run 2 

3/31/200912:16 19.6 1.4 5.0 Run 2 

3/31/200912:17 19.6 1.4 5.1 Run 2 

3/31/200912:17 19.6 1.4 5.2 Run 2 

3/31/200912:17 19.6 1.4 5.2 Run 2 

3/31/200912:18 19.6 1.4 5.3 Run 2 

3/31/200912:18 19.6 1.4 5.3 Run 2 

3/31/200912:18 19.6 1.4 5.3 Run 2 

3/31/2009 12:19 19.6 1.4 5.3 Run 2 

3/31/200912:19 19.6 1.4 5.2 Run 2 

3/31/200912:19 19.6 1.4 5.2 Run 2 

3/31/200912:20 19.6 1.4 5.1 Run 2 

3/31/200912:20 19.6 1.4 5.0 Run 2 

3/31/2009 12:20 19.6 1.4 5.0 Run 2 

3/31/200912:21 19.6 1.4 4.8 Run 2 

3/31/200912:21 19.6 1.4 4.6 Run 2 

3/31/2009 12:21 19.6 1.4 4.5 Run 2 

3/31/200912:22 19.6 1.4 4.4 Run 2 

3/31/200912:22 19.6 1.4 4.4 Run 2 

3/31/200912:22 19.6 1.4 4.4 Run 2 

3/31/2009 12:23 19.6 1.4 4.6 Run 2 

3/31/2009 12:23 19.6 1.4 4.6 Run 2 

3/31/2009 12:23 19.6 1.4 4.6 Run 2 

3/31/2009 12:24 19.6 1.4 4.7 Run 2 

3/31/2009 12:24 19.6 1.4 4.7 Run 2 

3/31/2009 12:24 19.6 1.4 4.7 Run 2 

3/31/200912:25 19.6 1.4 4.8 Run 2 

3/31/200912:25 19.6 1.4 4.7 Run 2 

3/31/2009 12:25 19.6 1.4 4.8 Run 2 

3/31/200912:26 19.6 1.4 4.8 Run 2 

3/31/2009 12:26 19.6 1.4 4.8 Run 2 

3/31/200912:26 19.6 1.4 4.6 Run 2 

3/31/200912:27 19.6 1.4 4.5 Run 2 

3/31/2009 12:27 19.6 1.4 4.4 Run 2 

3/31/2009 12:27 19.5 1.4 4.2 Run 2 

3/31/200912:28 19.6 1.4 4.1 Run 2 

3/31/2009 12:28 19.5 1.5 4.0 Run 2 

3/31/200912:28 19.5 1.5 3.8 Run 2 

3/31/200912:29 19.5 1.5 3.6 Run 2 

3/31/2009 12:29 19.5 1.5 3.4 Run 2 

3/31/2009 12:29 19.5 1.5 3.3 Run 2 

3/31/200912:30 19.5 1.5 3.1 Run 2 

3/31/200912:30 19.5 1.5 3.1 Run 2 

3/31/2009 12:30 19.5 1.5 3.1 Run 2 

3/31/200912:31 19.6 1.4 3.2 Run 2 

3/31/200912:31 19.6 1.4 3.2 Run 2 

3/31/2009 12:31 19.5 1.4 3.3 Run 2 

Page 8 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/200912:32 19.6 1.4 3.5 Run 2 

3/31/2009 12:32 19.6 1.4 3.7 Run 2 

3/31/2009 12:32 19.6 1.4 3.8 Run 2 

3/31/2009 12:33 19.6 1.4 3.9 Run 2 

3/31/2009 12:33 19.6 1.4 4.2 Run 2 

3/31/2009 12:33 19.6 1.4 4.5 Run 2 

3/31/2009 12:34 19.6 1.4 4.6 Run 2 

3/31/200912:34 19.6 1.4 4.6 Run 2 

3/31/200912:34 19.6 1.4 4.7 Run 2 

3/31/200912:35 19.6 1.4 4.7 Run 2 

3/31/2009 12:35 19.6 1.4 4.7 Run 2 

3/31/200912:35 19.6 1.4 4.7 Run 2 

3/31/200912:36 19.6 1.4 4.6 Run 2 

3/31/200912:36 19.6 1.4 4.6 Run 2 

3/31/200912:36 19.6 1.4 4.6 Run 2 

3/31/2009 12:37 19.6 1.4 4.6 Run 2 

3/31/2009 12:37 19.6 1.4 4.6 Run 2 

3/31/200912:37 19.6 1.4 4.5 Run 2 

3/31/200912:38 19.6 1.4 4.7 Run 2 

3/31/200912:38 19.6 1.4 4.8 Run 2 

3/31/200912:38 19.6 1.4 4.8 Run 2 

3/31/200912:39 19.6 1.4 4.8 Run 2 

3/31/200912:39 19.5 1.4 4.7 Run 2 

3/31/2009 12:39 19.6 1.4 4.7 Run 2 

3/31/2009 12:40 19.5 1.4 4.7 Run 2 

3/31/200912:40 19.5 1.4 4.7 Run 2 

3/31/200912:40 19.5 1.4 4.7 Run 2 

3/31/2009 12:41 19.6 1.4 4.6 Run 2 

3/31/200912:41 19.5 1.4 4.5 Run 2 

3/31/200912:41 19.5 1.4 4.4 Run 2 

3/31/2009 12:42 19.5 1.4 4.3 Run 2 

3/31/200912:42 19.5 1.4 4.2 Run 2 

3/31/2009 12:42 19.6 1.4 4.1 Run 2 

3/31/200912:43 19.6 1.4 4.0 Run 2 

3/31/200912:43 19.6 1.4 3.9 Run 2 

3/31/200912:43 19.6 1.4 4.0 Run 2 

3/31/200912:44 19.6 1.4 4.0 Run 2 

3/31/200912:44 19.6 1.4 4.0 Run 2 

3/31/200912:44 19.6 1.4 4.0 Run 2 

3/31/200912:45 19.6 1.4 3.9 Run 2 

3/31/200912:45 19.6 1.4 4.0 Run 2 

3/31/200912:45 19.6 1.4 4.0 Run 2 

3/31/200912:46 19.6 1.4 4.0 Run 2 

3/31/200912:46 19.6 1.4 4.0 Run 2 

3/31/200912:46 19.6 1.4 4.1 Run 2 

3/31/200912:47 19.6 1.4 4.2 Run 2 

3/31/200912:47 19.6 1.4 4.2 Run 2 

3/31/200912:47 19.6 1.4 4.3 Run 2 

3/31/2009 12:48 19.6 1.4 4.4 Run 2 

3/31/200912:48 19.6 1.4 4.5 Run 2 

3/31/2009 12:48 19.6 1.4 4.7 Run 2 

3/31/200912:49 19.6 1.4 4.8 Run 2 

3/31/200912:49 19.6 1.4 4.8 Run 2 

3/31/200912:49 19.6 1.4 4.8 Run 2 

3/31/2009 12:50 19.6 1.4 4.8 Run 2 

3/31/200912:50 19.5 1.4 4.7 Run 2 

3/31/200912:50 19.5 1.4 4.6 Run 2 

3/31/200912:51 19.5 1.4 4.6 Run 2 

3/31/200912:51 19.5 1.4 4.5 Run 2 

3/31/200912:51 19.6 1.4 4.4 Run 2 

3/31/200912:52 19.5 1.4 4.2 Run 2 

3/31/200912:52 19.5 1.5 4.1 Run 2 

3/31/200912:52 19.5 1.5 4.1 Run 2 

3/31/200912:53 19.5 1.4 4.0 Run 2 

3/31/2009 12:53 19.5 1.4 4.0 Run 2 

3/31/200912:53 19.5 1.4 4.0 Run 2 

3/31/200912:54 19.5 1.4 4.1 Run 2 

3/31/200912:54 19.5 1.4 4.2 Run 2 

3/31/2009 12:54 19.5 1.4 4.2 Run 2 

3/31/200912:55 19.5 1.4 4.3 Run 2 

3/31/200912:55 19.5 1.4 4.4 Run 2 

3/31/200912:55 19.5 1.4 4.4 Run 2 

3/31/200912:56 19.5 1.4 4.6 Run 2 

3/31/200912:56 19.5 1.4 4.7 Run 2 

3/31/200912:56 19.5 1.4 4.8 Run 2 

3/31/200912:57 19.5 1.4 4.9 Run 2 

3/31/200912:57 19.5 1.4 5.0 Run 2 

3/31/200912:57 19.5 1.4 5.0 Run 2 

3/31/200912:58 19.5 1.5 4.9 Run 2 

3/31/200912:58 19.5 1.5 5.0 Run 2 

3/31/200912:58 19.5 1.5 4.9 Run 2 

Page 9 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

3/31/200912:32 19.6 1.4 3.5 Run 2 

3/31/2009 12:32 19.6 1.4 3.7 Run 2 

3/31/2009 12:32 19.6 1.4 3.8 Run 2 

3/31/2009 12:33 19.6 1.4 3.9 Run 2 

3/31/2009 12:33 19.6 1.4 4.2 Run 2 

3/31/2009 12:33 19.6 1.4 4.5 Run 2 

3/31/2009 12:34 19.6 1.4 4.6 Run 2 

3/31/200912:34 19.6 1.4 4.6 Run 2 

3/31/200912:34 19.6 1.4 4.7 Run 2 

3/31/200912:35 19.6 1.4 4.7 Run 2 

3/31/2009 12:35 19.6 1.4 4.7 Run 2 

3/31/200912:35 19.6 1.4 4.7 Run 2 

3/31/200912:36 19.6 1.4 4.6 Run 2 

3/31/200912:36 19.6 1.4 4.6 Run 2 

3/31/200912:36 19.6 1.4 4.6 Run 2 

3/31/2009 12:37 19.6 1.4 4.6 Run 2 

3/31/2009 12:37 19.6 1.4 4.6 Run 2 

3/31/200912:37 19.6 1.4 4.5 Run 2 

3/31/200912:38 19.6 1.4 4.7 Run 2 

3/31/200912:38 19.6 1.4 4.8 Run 2 

3/31/200912:38 19.6 1.4 4.8 Run 2 

3/31/200912:39 19.6 1.4 4.8 Run 2 

3/31/200912:39 19.5 1.4 4.7 Run 2 

3/31/2009 12:39 19.6 1.4 4.7 Run 2 

3/31/2009 12:40 19.5 1.4 4.7 Run 2 

3/31/200912:40 19.5 1.4 4.7 Run 2 

3/31/200912:40 19.5 1.4 4.7 Run 2 

3/31/2009 12:41 19.6 1.4 4.6 Run 2 

3/31/200912:41 19.5 1.4 4.5 Run 2 

3/31/200912:41 19.5 1.4 4.4 Run 2 

3/31/2009 12:42 19.5 1.4 4.3 Run 2 

3/31/200912:42 19.5 1.4 4.2 Run 2 

3/31/2009 12:42 19.6 1.4 4.1 Run 2 

3/31/200912:43 19.6 1.4 4.0 Run 2 

3/31/200912:43 19.6 1.4 3.9 Run 2 

3/31/200912:43 19.6 1.4 4.0 Run 2 

3/31/200912:44 19.6 1.4 4.0 Run 2 

3/31/200912:44 19.6 1.4 4.0 Run 2 

3/31/200912:44 19.6 1.4 4.0 Run 2 

3/31/200912:45 19.6 1.4 3.9 Run 2 

3/31/200912:45 19.6 1.4 4.0 Run 2 

3/31/200912:45 19.6 1.4 4.0 Run 2 

3/31/200912:46 19.6 1.4 4.0 Run 2 

3/31/200912:46 19.6 1.4 4.0 Run 2 

3/31/200912:46 19.6 1.4 4.1 Run 2 

3/31/200912:47 19.6 1.4 4.2 Run 2 

3/31/200912:47 19.6 1.4 4.2 Run 2 

3/31/200912:47 19.6 1.4 4.3 Run 2 

3/31/2009 12:48 19.6 1.4 4.4 Run 2 

3/31/200912:48 19.6 1.4 4.5 Run 2 

3/31/2009 12:48 19.6 1.4 4.7 Run 2 

3/31/200912:49 19.6 1.4 4.8 Run 2 

3/31/200912:49 19.6 1.4 4.8 Run 2 

3/31/200912:49 19.6 1.4 4.8 Run 2 

3/31/2009 12:50 19.6 1.4 4.8 Run 2 

3/31/200912:50 19.5 1.4 4.7 Run 2 

3/31/200912:50 19.5 1.4 4.6 Run 2 

3/31/200912:51 19.5 1.4 4.6 Run 2 

3/31/200912:51 19.5 1.4 4.5 Run 2 

3/31/200912:51 19.6 1.4 4.4 Run 2 

3/31/200912:52 19.5 1.4 4.2 Run 2 

3/31/200912:52 19.5 1.5 4.1 Run 2 

3/31/200912:52 19.5 1.5 4.1 Run 2 

3/31/200912:53 19.5 1.4 4.0 Run 2 

3/31/2009 12:53 19.5 1.4 4.0 Run 2 

3/31/200912:53 19.5 1.4 4.0 Run 2 

3/31/200912:54 19.5 1.4 4.1 Run 2 

3/31/200912:54 19.5 1.4 4.2 Run 2 

3/31/2009 12:54 19.5 1.4 4.2 Run 2 

3/31/200912:55 19.5 1.4 4.3 Run 2 

3/31/200912:55 19.5 1.4 4.4 Run 2 

3/31/200912:55 19.5 1.4 4.4 Run 2 

3/31/200912:56 19.5 1.4 4.6 Run 2 

3/31/200912:56 19.5 1.4 4.7 Run 2 

3/31/200912:56 19.5 1.4 4.8 Run 2 

3/31/200912:57 19.5 1.4 4.9 Run 2 

3/31/200912:57 19.5 1.4 5.0 Run 2 

3/31/200912:57 19.5 1.4 5.0 Run 2 

3/31/200912:58 19.5 1.5 4.9 Run 2 

3/31/200912:58 19.5 1.5 5.0 Run 2 

3/31/200912:58 19.5 1.5 4.9 Run 2 

Page 9 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02-Avg S02_Avg 

TS Percent Percent PPM 

3/31/200912:59 19.5 1.5 4.8 Run 2 

3/31/2009 12:59 19.5 1.5 4.7 Run 2 

3/31/2009 12: 59 19.5 1.5 4.5 Run 2 

3/31/200913:00 19.5 1.5 4.5 Run 2 

3/31/200913:00 19.5 1.5 4.5 Run 2 

3/31/200913:00 19.5 1.5 4.4 Run 2 

3/31/200913:01 19.5 1.5 4.4 Run 2 

3/31/200913:01 19.5 1.5 4.4 Run 2 

3/31/2009 13:01 19.5 1.5 4.3 Run 2 

3/31/200913:02 19.5 1.5 4.3 Run 2 

3/31/200913:02 19.5 1.5 4.3 Run 2 

3/31/2009 13:02 19.5 1.5 4.2 Run 2 

3/31/200913:03 19.5 1.5 4.1 Run 2 

3/31/200913:03 19.5 1.5 4.0 Run 2 

3/31/200913:03 19.5 1.5 3.9 Run 2 

3/31/200913:04 19.5 1.5 3.7 Run 2 

3/31/200913:04 19.5 1.5 3.8 Run 2 

3/31/200913:04 19.5 1.5 3.9 Run 2 

3/31/200913:05 19.5 1.5 3.8 Run 2 

3/31/200913:05 19.5 1.5 3.8 Run 2 

3/31/2009 13:05 19.5 1.5 3.7 Run 2 

3/31/200913:06 19.5 1.5 3.7 Run 2 

3/31/200913:06 19.5 1.5 3.6 Run 2 

3/31/2009 13:06 19.5 1.5 3.5 Run 2 

3/31/200913:07 19.5 1.5 3.5 Run 2 

3/31/200913:07 19.5 1.4 3.6 Run 2 

3/31/200913:07 19.5 1.4 3.7 Run 2 

3/31/200913:08 19.5 1.4 3.8 Run 2 

3/31/200913:08 19.5 1.4 3.9 Run 2 

3/31/2009 13:08 19.5 1.5 3.9 Run 2 

3/31/200913:09 19.5 1.5 3.9 Run 2 

3/31/200913:09 19.5 1.5 3.9 Run 2 

3/31/200913:09 19.5 1.5 3.8 Run 2 

3/31/200913:10 19.5 1.5 3.8 

3/31/200913:10 19.5 1.5 3.7 

3/31/200913:10 19.5 1.5 3.5 

3/31/2009 13:11 19.5 1.5 3.4 

3/31/200913:11 19.5 1.5 3.4 

3/31/200913:11 19.5 1.5 3.3 

3/31/200913:12 17.6 1.3 3.3 

3/31/200913:12 2.5 0.2 3.2 

3/31/200913:12 0.1 0.0 2.9 Bias Drift Check 

3/31/200913:13 0.1 0.0 2.7 Bias Drift Check 

3/31/200913:13 0.1 0.0 2.4 Bias Drift Check 

3/31/200913:13 0.1 0.0 2.0 Bias Drift Check 

3/31/200913:14 0.1 0.0 1.8 Bias Drift Check 

3/31/200913:14 0.1 0.0 1.5 Bias Drift Check 

3/31/200913:14 0.1 0.0 1.3 Bias Drift Check 

3/31/200913:15 0.1 0.0 1.2 Bias Drift Check 

3/31/200913:15 0.1 0.0 1.1 Bias Drift Check 

3/31/200913:15 0.1 0.0 1.0 Bias Drift Check 

3/31/200913:16 0.1 0.0 1.1 Bias Drift Check 

3/31/2009 13:16 0.1 0.0 2.3 Bias Drift Check 

3/31/200913:16 0.1 0.0 3.6 Bias Drift Check 

3/31/200913:17 0.1 0.0 4.0 Bias Drift Check 

3/31/200913:17 0.1 0.0 4.0 Bias Drift Check 

3/31/200913:17 0.1 0.0 4.0 Bias Drift Check 

3/31/200913:18 4.5 1.1 3.9 Bias Drift Check 

3/31/200913:18 20.5 4.8 2.2 Bias Drift Check 

3/31/200913:18 21.0 4.9 0.1 Bias Drift Check 

3/31/200913:19 21.0 5.0 -0.3 Bias Drift Check 

3/31/200913:19 21.0 5.0 -0.3 Bias Drift Check 

3/31/200913:19 21.1 5.0 -0.4 Bias Drift Check 

3/31/2009 13:20 17.8 4.2 -0.4 Bias Drift Check 

3/31/200913:20 0.7 0.2 -0.3 Bias Drift Check 

3/31/200913:20 0.1 0.1 -0.1 Bias Drift Check 

3/31/2009 13:21 0.1 0.1 0.3 Bias Drift Check 

3/31/200913:21 0.1 0.0 0.5 Bias Drift Check 

3/31/200913:21 0.1 0.0 0.5 Bias Drift Check 

3/31/200913:22 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 13:22 3.7 0.3 0.5 Bias Drift Check 

3/31/200913:22 18.9 1.5 0.3 

3/31/200913:23 19.5 1.5 0.3 Standby In Stack 

3/31/200913:23 19.5 1.5 0.7 Standby In Stack 

3/31/200913:23 19.5 1.5 1.2 Standby In Stack 

3/31/2009 14:49 0.1 0.0 0.7 Standby In Stack 

3/31/2009 14:49 0.1 0.0 0.6 Standby In Stack 

3/31/2009 14:50 0.1 0.0 0.7 Bias Drift Check 

3/31/2009 14:50 0.1 0.0 0.7 Bias Drift Check 

3/31/2009 14:50 0.1 0.0 0.6 Bias Drift Check 

3/31/200914:51 0.1 0.0 0.6 Bias Drift Check 

Page 10 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02-Avg S02_Avg 

TS Percent Percent PPM 

3/31/200912:59 19.5 1.5 4.8 Run 2 

3/31/2009 12:59 19.5 1.5 4.7 Run 2 

3/31/2009 12: 59 19.5 1.5 4.5 Run 2 

3/31/200913:00 19.5 1.5 4.5 Run 2 

3/31/200913:00 19.5 1.5 4.5 Run 2 

3/31/200913:00 19.5 1.5 4.4 Run 2 

3/31/200913:01 19.5 1.5 4.4 Run 2 

3/31/200913:01 19.5 1.5 4.4 Run 2 

3/31/2009 13:01 19.5 1.5 4.3 Run 2 

3/31/200913:02 19.5 1.5 4.3 Run 2 

3/31/200913:02 19.5 1.5 4.3 Run 2 

3/31/2009 13:02 19.5 1.5 4.2 Run 2 

3/31/200913:03 19.5 1.5 4.1 Run 2 

3/31/200913:03 19.5 1.5 4.0 Run 2 

3/31/200913:03 19.5 1.5 3.9 Run 2 

3/31/200913:04 19.5 1.5 3.7 Run 2 

3/31/200913:04 19.5 1.5 3.8 Run 2 

3/31/200913:04 19.5 1.5 3.9 Run 2 

3/31/200913:05 19.5 1.5 3.8 Run 2 

3/31/200913:05 19.5 1.5 3.8 Run 2 

3/31/2009 13:05 19.5 1.5 3.7 Run 2 

3/31/200913:06 19.5 1.5 3.7 Run 2 

3/31/200913:06 19.5 1.5 3.6 Run 2 

3/31/2009 13:06 19.5 1.5 3.5 Run 2 

3/31/200913:07 19.5 1.5 3.5 Run 2 

3/31/200913:07 19.5 1.4 3.6 Run 2 

3/31/200913:07 19.5 1.4 3.7 Run 2 

3/31/200913:08 19.5 1.4 3.8 Run 2 

3/31/200913:08 19.5 1.4 3.9 Run 2 

3/31/2009 13:08 19.5 1.5 3.9 Run 2 

3/31/200913:09 19.5 1.5 3.9 Run 2 

3/31/200913:09 19.5 1.5 3.9 Run 2 

3/31/200913:09 19.5 1.5 3.8 Run 2 

3/31/200913:10 19.5 1.5 3.8 

3/31/200913:10 19.5 1.5 3.7 

3/31/200913:10 19.5 1.5 3.5 

3/31/2009 13:11 19.5 1.5 3.4 

3/31/200913:11 19.5 1.5 3.4 

3/31/200913:11 19.5 1.5 3.3 

3/31/200913:12 17.6 1.3 3.3 

3/31/200913:12 2.5 0.2 3.2 

3/31/200913:12 0.1 0.0 2.9 Bias Drift Check 

3/31/200913:13 0.1 0.0 2.7 Bias Drift Check 

3/31/200913:13 0.1 0.0 2.4 Bias Drift Check 

3/31/200913:13 0.1 0.0 2.0 Bias Drift Check 

3/31/200913:14 0.1 0.0 1.8 Bias Drift Check 

3/31/200913:14 0.1 0.0 1.5 Bias Drift Check 

3/31/200913:14 0.1 0.0 1.3 Bias Drift Check 

3/31/200913:15 0.1 0.0 1.2 Bias Drift Check 

3/31/200913:15 0.1 0.0 1.1 Bias Drift Check 

3/31/200913:15 0.1 0.0 1.0 Bias Drift Check 

3/31/200913:16 0.1 0.0 1.1 Bias Drift Check 

3/31/2009 13:16 0.1 0.0 2.3 Bias Drift Check 

3/31/200913:16 0.1 0.0 3.6 Bias Drift Check 

3/31/200913:17 0.1 0.0 4.0 Bias Drift Check 

3/31/200913:17 0.1 0.0 4.0 Bias Drift Check 

3/31/200913:17 0.1 0.0 4.0 Bias Drift Check 

3/31/200913:18 4.5 1.1 3.9 Bias Drift Check 

3/31/200913:18 20.5 4.8 2.2 Bias Drift Check 

3/31/200913:18 21.0 4.9 0.1 Bias Drift Check 

3/31/200913:19 21.0 5.0 -0.3 Bias Drift Check 

3/31/200913:19 21.0 5.0 -0.3 Bias Drift Check 

3/31/200913:19 21.1 5.0 -0.4 Bias Drift Check 

3/31/2009 13:20 17.8 4.2 -0.4 Bias Drift Check 

3/31/200913:20 0.7 0.2 -0.3 Bias Drift Check 

3/31/200913:20 0.1 0.1 -0.1 Bias Drift Check 

3/31/2009 13:21 0.1 0.1 0.3 Bias Drift Check 

3/31/200913:21 0.1 0.0 0.5 Bias Drift Check 

3/31/200913:21 0.1 0.0 0.5 Bias Drift Check 

3/31/200913:22 0.1 0.0 0.5 Bias Drift Check 

3/31/2009 13:22 3.7 0.3 0.5 Bias Drift Check 

3/31/200913:22 18.9 1.5 0.3 

3/31/200913:23 19.5 1.5 0.3 Standby In Stack 

3/31/200913:23 19.5 1.5 0.7 Standby In Stack 

3/31/200913:23 19.5 1.5 1.2 Standby In Stack 

3/31/2009 14:49 0.1 0.0 0.7 Standby In Stack 

3/31/2009 14:49 0.1 0.0 0.6 Standby In Stack 

3/31/2009 14:50 0.1 0.0 0.7 Bias Drift Check 

3/31/2009 14:50 0.1 0.0 0.7 Bias Drift Check 

3/31/2009 14:50 0.1 0.0 0.6 Bias Drift Check 

3/31/200914:51 0.1 0.0 0.6 Bias Drift Check 

Page 10 of 17 
ArcelorMittal Minorca Mine, Inc, Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02y.vg 

TS Percent Percent PPM 

3/31/2009 14:51 0,1 0,0 0,6 Bias Drift Check 

3/31/200914:51 0,1 0,0 0,6 Bias Drift Check 

3/31/2009 14:52 0,1 0,0 0,6 Bias Drift Check 

3/31/2009 14:52 0,1 0,0 0,5 Bias Drift Check 

3/31/2009 14:52 5.4 0,6 0,5 Bias Drift Check 

3/31/200914:53 0,5 0,1 0,5 Bias Drift Check 

3/31/2009 14:53 0,1 0,0 1,8 Bias Drift Check 

3/31/200914:53 0,1 0,0 3.4 Bias Drift Check 

3/31/2009 14:54 0,1 0,0 3,8 Bias Drift Check 

3/31/200914:54 0,1 0,0 3,8 Bias Drift Check 

3/31/2009 14:54 0,1 0,0 3,8 Bias Drift Check 

3/31/2009 14:55 3,7 0,3 3,8 Bias Drift Check 

3/31/200914:55 14,5 1,1 2,5 Bias Drift Check 

3/31/2009 14:55 18,8 4,5 0,7 Bias Drift Check 

3/31/200914:56 21,0 4,9 0.2 Bias Drift Check 

3/31/200914:56 21,0 5,0 0,0 Bias Drift Check 

3/31/2009 14:56 21,0 5,0 0,0 Bias Drift Check 

3/31/200914:57 21,0 5,0 -0,1 Bias Drift Check 

3/31/2009 14:57 21,0 4,8 -0,1 Bias Drift Check 

3/31/2009 14:57 19,8 1,6 -0,1 Bias Drift Check 

3/31/200914:58 19,6 1.4 0,2 Standby In Stack 

3/31/2009 14:58 19,6 1.4 0,7 Standby In Stack 

3/31/200915:33 19,8 1,2 5,5 Standby In Stack 

3/31/2009 15:33 20,8 0,1 5,2 Standby In Stack 

3/31/200915:34 20,9 0,1 4,5 off-line 

3/31/2009 15:34 20,9 0,1 3,5 off-line 

4/1/20098:59 20,7 -0,1 -1,6 Analyzer Cal 

4/1/2009 9:00 12,7 -0,1 -1.4 Analyzer Cal 

4/1/20099:00 9,5 -0,1 -1,1 Analyzer Cal 

4/1/20099:00 20,1 -0,1 -1,3 Analyzer Cal 

4/1/20099:01 20.7 0,0 -1,6 Analyzer Cal 

4/1/20099:01 10.4 -0,1 -1,6 Analyzer Cal 

4/1/2009 9:01 0,0 -0,2 -1,3 Analyzer Cal 

4/1/20099:02 0,0 0,0 -0,6 Analyzer Cal 

4/1/20099:02 0,0 0,0 0.4 Analyzer Cal 

4/1/2009 9:02 0,0 0,0 0,5 Analyzer Cal 

4/1/20099:03 0,0 0,0 0,3 Analyzer Cal 

4/1/20099:03 0,0 0,0 0,2 Analyzer Cal 

4/1/2009 9:03 0,0 0,0 0,1 Analyzer Cal 

4/1/2009 9:04 0,0 0,0 0,0 Analyzer Cal 

4/1/2009 9:04 0,0 0,0 0.0 Analyzer Cal 

4/1/20099:04 0,0 0,0 0,0 Analyzer Cal 

4/1/20099:05 6,0 0,0 0,1 Analyzer Cal 

4/1/20099:05 9.9 8,0 0,0 Analyzer Cal 

4/1/20099:05 9.0 9,3 -0.5 Analyzer Cal 

4/1/20099:06 9,0 9,3 -0.6 Analyzer Cal 

4/1/20099:06 9,0 9,3 -0,6 Analyzer Cal 

4/1/20099:06 9,0 9,3 -0.6 Analyzer Cal 

4/1/20099:07 9.0 9,0 -0,6 Analyzer Cal 

4/1/20099:07 9,8 8.4 -0,6 Analyzer Cal 

4/1/2009 9:07 20,6 4,5 -0,6 System Bias Check 

4/1/20099:08 21,1 4,9 -0,6 System Bias Check 

4/1/20099:08 21,1 4.9 -0,6 System Bias Check 

4/1/2009 9:08 21,0 4,9 -0,6 System Bias Check 

4/1/20099:09 3,1 0.3 -0.6 System Bias Check 

4/1/20099:09 0,0 0,0 -0,5 System Bias Check 

4/1/2009 9:09 0.0 0,0 -0.3 System Bias Check 

4/1/20099:10 1,0 0.0 0.2 System Bias Check 

4/1/2009 9: 1 0 5,8 0,1 5,1 Analyzer Cal 

4/1/20099:10 0,0 0,0 22.3 Analyzer Cal 

4/1/2009 9: 11 0,0 0.0 25.5 Analyzer Cal 

4/1/20099:11 0.0 0,0 26,0 Analyzer Cal 

4/1/20099:11 0,0 0,0 25,6 Analyzer Cal 

4/1/2009 9: 12 0,0 0.0 26.2 Analyzer Cal 

4/1/20099:12 0.0 0,0 26.5 Analyzer Cal 

4/1/20099:12 0,0 0,0 26,2 Analyzer Cal 

4/1/2009 9: 13 0,7 0.0 26.5 Analyzer Cal 

4/1/20099:13 0.9 0.0 18.5 Analyzer Cal 

4/1/20099:13 0.0 0,0 14,9 Analyzer Cal 

4/1/2009 9: 14 0,0 0,0 13,6 Analyzer Cal 

4/1/2009 9: 14 0,0 0.0 13.3 Analyzer Cal 

4/1/2009 9: 14 0,0 0,0 13.4 Analyzer Cal 

4/1/2009 9: 15 0.6 0,0 13.5 Analyzer Cal 

4/1/20099:15 0,0 0,0 26.0 Analyzer Cal 

4/1/2009 9: 15 0,0 0,0 41,8 Analyzer Cal 

4/1/2009 9: 16 0.0 0,0 45,1 Analyzer Cal 

4/1/20099:16 0.0 0,0 46,3 Analyzer Cal 

4/1/2009 9: 16 0,0 0,0 46.9 Analyzer Cal 

4/1/20099:17 0.0 0,0 46,9 Analyzer Cal 

4/1/20099:17 0,0 0,0 47,7 Analyzer Cal 

Page 11 of 17 

ArcelorMittal Minorca Mine, Inc, Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02y.vg 

TS Percent Percent PPM 

3/31/2009 14:51 0,1 0,0 0,6 Bias Drift Check 

3/31/200914:51 0,1 0,0 0,6 Bias Drift Check 

3/31/2009 14:52 0,1 0,0 0,6 Bias Drift Check 

3/31/2009 14:52 0,1 0,0 0,5 Bias Drift Check 

3/31/2009 14:52 5.4 0,6 0,5 Bias Drift Check 

3/31/200914:53 0,5 0,1 0,5 Bias Drift Check 

3/31/2009 14:53 0,1 0,0 1,8 Bias Drift Check 

3/31/200914:53 0,1 0,0 3.4 Bias Drift Check 

3/31/2009 14:54 0,1 0,0 3,8 Bias Drift Check 

3/31/200914:54 0,1 0,0 3,8 Bias Drift Check 

3/31/2009 14:54 0,1 0,0 3,8 Bias Drift Check 

3/31/2009 14:55 3,7 0,3 3,8 Bias Drift Check 

3/31/200914:55 14,5 1,1 2,5 Bias Drift Check 

3/31/2009 14:55 18,8 4,5 0,7 Bias Drift Check 

3/31/200914:56 21,0 4,9 0.2 Bias Drift Check 

3/31/200914:56 21,0 5,0 0,0 Bias Drift Check 

3/31/2009 14:56 21,0 5,0 0,0 Bias Drift Check 

3/31/200914:57 21,0 5,0 -0,1 Bias Drift Check 

3/31/2009 14:57 21,0 4,8 -0,1 Bias Drift Check 

3/31/2009 14:57 19,8 1,6 -0,1 Bias Drift Check 

3/31/200914:58 19,6 1.4 0,2 Standby In Stack 

3/31/2009 14:58 19,6 1.4 0,7 Standby In Stack 

3/31/200915:33 19,8 1,2 5,5 Standby In Stack 

3/31/2009 15:33 20,8 0,1 5,2 Standby In Stack 

3/31/200915:34 20,9 0,1 4,5 off-line 

3/31/2009 15:34 20,9 0,1 3,5 off-line 

4/1/20098:59 20,7 -0,1 -1,6 Analyzer Cal 

4/1/2009 9:00 12,7 -0,1 -1.4 Analyzer Cal 

4/1/20099:00 9,5 -0,1 -1,1 Analyzer Cal 

4/1/20099:00 20,1 -0,1 -1,3 Analyzer Cal 

4/1/20099:01 20.7 0,0 -1,6 Analyzer Cal 

4/1/20099:01 10.4 -0,1 -1,6 Analyzer Cal 

4/1/2009 9:01 0,0 -0,2 -1,3 Analyzer Cal 

4/1/20099:02 0,0 0,0 -0,6 Analyzer Cal 

4/1/20099:02 0,0 0,0 0.4 Analyzer Cal 

4/1/2009 9:02 0,0 0,0 0,5 Analyzer Cal 

4/1/20099:03 0,0 0,0 0,3 Analyzer Cal 

4/1/20099:03 0,0 0,0 0,2 Analyzer Cal 

4/1/2009 9:03 0,0 0,0 0,1 Analyzer Cal 

4/1/2009 9:04 0,0 0,0 0,0 Analyzer Cal 

4/1/2009 9:04 0,0 0,0 0.0 Analyzer Cal 

4/1/20099:04 0,0 0,0 0,0 Analyzer Cal 

4/1/20099:05 6,0 0,0 0,1 Analyzer Cal 

4/1/20099:05 9.9 8,0 0,0 Analyzer Cal 

4/1/20099:05 9.0 9,3 -0.5 Analyzer Cal 

4/1/20099:06 9,0 9,3 -0.6 Analyzer Cal 

4/1/20099:06 9,0 9,3 -0,6 Analyzer Cal 

4/1/20099:06 9,0 9,3 -0.6 Analyzer Cal 

4/1/20099:07 9.0 9,0 -0,6 Analyzer Cal 

4/1/20099:07 9,8 8.4 -0,6 Analyzer Cal 

4/1/2009 9:07 20,6 4,5 -0,6 System Bias Check 

4/1/20099:08 21,1 4,9 -0,6 System Bias Check 

4/1/20099:08 21,1 4.9 -0,6 System Bias Check 

4/1/2009 9:08 21,0 4,9 -0,6 System Bias Check 

4/1/20099:09 3,1 0.3 -0.6 System Bias Check 

4/1/20099:09 0,0 0,0 -0,5 System Bias Check 

4/1/2009 9:09 0.0 0,0 -0.3 System Bias Check 

4/1/20099:10 1,0 0.0 0.2 System Bias Check 

4/1/2009 9: 1 0 5,8 0,1 5,1 Analyzer Cal 

4/1/20099:10 0,0 0,0 22.3 Analyzer Cal 

4/1/2009 9: 11 0,0 0.0 25.5 Analyzer Cal 

4/1/20099:11 0.0 0,0 26,0 Analyzer Cal 

4/1/20099:11 0,0 0,0 25,6 Analyzer Cal 

4/1/2009 9: 12 0,0 0.0 26.2 Analyzer Cal 

4/1/20099:12 0.0 0,0 26.5 Analyzer Cal 

4/1/20099:12 0,0 0,0 26,2 Analyzer Cal 

4/1/2009 9: 13 0,7 0.0 26.5 Analyzer Cal 

4/1/20099:13 0.9 0.0 18.5 Analyzer Cal 

4/1/20099:13 0.0 0,0 14,9 Analyzer Cal 

4/1/2009 9: 14 0,0 0,0 13,6 Analyzer Cal 

4/1/2009 9: 14 0,0 0.0 13.3 Analyzer Cal 

4/1/2009 9: 14 0,0 0,0 13.4 Analyzer Cal 

4/1/2009 9: 15 0.6 0,0 13.5 Analyzer Cal 

4/1/20099:15 0,0 0,0 26.0 Analyzer Cal 

4/1/2009 9: 15 0,0 0,0 41,8 Analyzer Cal 

4/1/2009 9: 16 0.0 0,0 45,1 Analyzer Cal 

4/1/20099:16 0.0 0,0 46,3 Analyzer Cal 

4/1/2009 9: 16 0,0 0,0 46.9 Analyzer Cal 

4/1/20099:17 0.0 0,0 46,9 Analyzer Cal 

4/1/20099:17 0,0 0,0 47,7 Analyzer Cal 

Page 11 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/20099:17 0.0 0.0 48.1 Analyzer Cal 

4/1/20099:18 0.5 0.0 43.6 Analyzer Cal 

4/1/2009 9: 18 0.1 0.0 8.4 Analyzer Cal 

4/1/20099:18 0.0 0.0 17.4 Analyzer Cal 

4/1/2009 9: 19 0.0 0.0 21.7 Analyzer Cal 

4/1/20099:19 0.0 0.0 22.6 Analyzer Cal 

4/1/2009 9: 19 0.0 0.0 22.8 Analyzer Cal 

4/1/2009 9:20 0.0 0.0 35.0 Analyzer Cal 

4/1/20099:20 0.0 0.0 47.4 Analyzer Cal 

4/1/20099:20 0.0 0.0 48.6 Analyzer Cal 

4/1/2009 9:21 0.0 0.0 48.9 Analyzer Cal 

4/1/20099:21 0.0 0.0 48.6 Analyzer Cal 

4/1/2009 9:21 1.2 0.0 28.7 Analyzer Cal 

4/1/2009 9:22 0.0 0.0 15.8 Analyzer Cal 

4/1/20099:22 0.0 0.0 22.2 Analyzer Cal 

4/1/20099:22 0.0 0.0 23.5 Analyzer Cal 

4/1/20099:23 0.0 0.0 23.7 Analyzer Cal 

4/1/2009 9:23 0.0 0.0 23.8 Analyzer Cal 

4/1/20099:23 0.1 0.0 23.4 Analyzer Cal 

4/1/20099:24 1.5 0.1 5.2 Analyzer Cal 

4/1/20099:24 0.0 0.0 0.6 Analyzer Cal 

4/1/20099:24 0.0 0.0 0.2 Analyzer Cal 

4/1/20099:25 0.0 0.0 0.2 Analyzer Cal 

4/1/20099:25 0.0 0.0 0.1 Analyzer Cal 

4/1/20099:25 0.0 0.0 15.1 Analyzer Cal 

4/1/20099:26 0.0 0.0 45.8 Analyzer Cal 

4/1/20099:26 0.0 0.0 49.2 Analyzer Cal 

4/1/20099:26 0.0 0.0 49.6 Analyzer Cal 

4/1/20099:27 1.3 0.1 27.4 Analyzer Cal 

4/1/20099:27 0.0 0.0 16.5 Analyzer Cal 

4/1/2009 9:27 0.0 0.1 23.0 Analyzer Cal 

4/1/2009 9:28 8.8 0.1 9.7 Analyzer Cal 

4/1/20099:28 14.3 0.2 -0.1 Analyzer Cal 

4/1/20099:28 14.6 0.2 -0.1 Analyzer Cal 

4/1/20099:29 13.9 0.2 -0.1 Analyzer Cal 

4/1/20099:29 14.6 0.2 -0.1 Analyzer Cal 

4/1/2009 9:29 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:32 14.4 0.2 -0.1 Analyzer Cal 

4/1/2009 9:32 15.6 0.2 -0.1 Analyzer Cal 

4/1/2009 9:32 17.9 0.3 0.0 Analyzer Cal 

4/1/20099:33 18.6 0.4 0.1 Analyzer Cal 

4/1/20099:33 19.6 0.3 0.1 Analyzer Cal 

4/1/2009 9:33 20.6 0.2 0.0 Analyzer Cal 

4/1/20099:52 0.0 0.1 43.2 Analyzer Cal 

4/1/20099:52 0.0 0.1 44.9 Analyzer Cal 

4/1/20099:53 0.0 0.1 45.1 Analyzer Cal 

4/1/2009 9:53 0.0 0.1 45.6 Analyzer Cal 

4/1/20099:53 0.0 0.1 46.1 Analyzer Cal 

4/1/2009 9: 54 0.2 0.1 46.2 Analyzer Cal 

4/1/20099:54 0.8 0.1 16.3 Analyzer Cal 

4/1/20099:54 0.0 0.1 17.9 Analyzer Cal 

4/1/20099:55 0.0 0.1 21.9 Analyzer Cal 

4/1/20099:55 0.0 0.1 22.4 Analyzer Cal 

4/1/20099:55 0.0 0.1 22.7 Analyzer Cal 

4/1/2009 9:56 10.0 0.1 15.1 Analyzer Cal 

4/1/20099:56 21.1 0.1 0.2 Analyzer Cal 

4/1/20099:56 21.0 0.1 0.1 Analyzer Cal 

4/1/20099:57 21.0 0.1 0.1 Analyzer Cal 

4/1/20099:57 21.0 0.1 0.1 Analyzer Cal 

4/1/2009 9:57 19.1 0.1 0.1 Analyzer Cal 

4/1/2009 9: 58 0.2 0.1 0.2 Analyzer Cal 

4/1/20099:58 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 9:58 0.0 0.1 0.6 Analyzer Cal 

4/1/20099:59 0.0 0.1 0.5 Analyzer Cal 

4/1/20099:59 0.0 0.1 0.4 Analyzer Cal 

4/1/20099:59 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 10:00 0.0 0.1 0.4 Analyzer Cal 

4/1/200910:00 5.7 0.1 0.4 Analyzer Cal 

4/1/200910:00 21.1 0.1 0.2 Analyzer Cal 

4/1/2009 10:01 21.0 0.1 0.0 Analyzer Cal 

4/1/200910:01 20.9 0.1 0.0 Analyzer Cal 

4/1/200910:01 9.1 0.1 0.0 Analyzer Cal 

4/1/200910:02 0.3 0.0 0.0 System Bias Check 

4/1/200910:02 0.1 0.0 0.3 System Bias Check 

4/1/2009 10:02 0.1 0.0 0.5 System Bias Check 

Page 12 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/20099:17 0.0 0.0 48.1 Analyzer Cal 

4/1/20099:18 0.5 0.0 43.6 Analyzer Cal 

4/1/2009 9: 18 0.1 0.0 8.4 Analyzer Cal 

4/1/20099:18 0.0 0.0 17.4 Analyzer Cal 

4/1/2009 9: 19 0.0 0.0 21.7 Analyzer Cal 

4/1/20099:19 0.0 0.0 22.6 Analyzer Cal 

4/1/2009 9: 19 0.0 0.0 22.8 Analyzer Cal 

4/1/2009 9:20 0.0 0.0 35.0 Analyzer Cal 

4/1/20099:20 0.0 0.0 47.4 Analyzer Cal 

4/1/20099:20 0.0 0.0 48.6 Analyzer Cal 

4/1/2009 9:21 0.0 0.0 48.9 Analyzer Cal 

4/1/20099:21 0.0 0.0 48.6 Analyzer Cal 

4/1/2009 9:21 1.2 0.0 28.7 Analyzer Cal 

4/1/2009 9:22 0.0 0.0 15.8 Analyzer Cal 

4/1/20099:22 0.0 0.0 22.2 Analyzer Cal 

4/1/20099:22 0.0 0.0 23.5 Analyzer Cal 

4/1/20099:23 0.0 0.0 23.7 Analyzer Cal 

4/1/2009 9:23 0.0 0.0 23.8 Analyzer Cal 

4/1/20099:23 0.1 0.0 23.4 Analyzer Cal 

4/1/20099:24 1.5 0.1 5.2 Analyzer Cal 

4/1/20099:24 0.0 0.0 0.6 Analyzer Cal 

4/1/20099:24 0.0 0.0 0.2 Analyzer Cal 

4/1/20099:25 0.0 0.0 0.2 Analyzer Cal 

4/1/20099:25 0.0 0.0 0.1 Analyzer Cal 

4/1/20099:25 0.0 0.0 15.1 Analyzer Cal 

4/1/20099:26 0.0 0.0 45.8 Analyzer Cal 

4/1/20099:26 0.0 0.0 49.2 Analyzer Cal 

4/1/20099:26 0.0 0.0 49.6 Analyzer Cal 

4/1/20099:27 1.3 0.1 27.4 Analyzer Cal 

4/1/20099:27 0.0 0.0 16.5 Analyzer Cal 

4/1/2009 9:27 0.0 0.1 23.0 Analyzer Cal 

4/1/2009 9:28 8.8 0.1 9.7 Analyzer Cal 

4/1/20099:28 14.3 0.2 -0.1 Analyzer Cal 

4/1/20099:28 14.6 0.2 -0.1 Analyzer Cal 

4/1/20099:29 13.9 0.2 -0.1 Analyzer Cal 

4/1/20099:29 14.6 0.2 -0.1 Analyzer Cal 

4/1/2009 9:29 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:32 14.4 0.2 -0.1 Analyzer Cal 

4/1/2009 9:32 15.6 0.2 -0.1 Analyzer Cal 

4/1/2009 9:32 17.9 0.3 0.0 Analyzer Cal 

4/1/20099:33 18.6 0.4 0.1 Analyzer Cal 

4/1/20099:33 19.6 0.3 0.1 Analyzer Cal 

4/1/2009 9:33 20.6 0.2 0.0 Analyzer Cal 

4/1/20099:52 0.0 0.1 43.2 Analyzer Cal 

4/1/20099:52 0.0 0.1 44.9 Analyzer Cal 

4/1/20099:53 0.0 0.1 45.1 Analyzer Cal 

4/1/2009 9:53 0.0 0.1 45.6 Analyzer Cal 

4/1/20099:53 0.0 0.1 46.1 Analyzer Cal 

4/1/2009 9: 54 0.2 0.1 46.2 Analyzer Cal 

4/1/20099:54 0.8 0.1 16.3 Analyzer Cal 

4/1/20099:54 0.0 0.1 17.9 Analyzer Cal 

4/1/20099:55 0.0 0.1 21.9 Analyzer Cal 

4/1/20099:55 0.0 0.1 22.4 Analyzer Cal 

4/1/20099:55 0.0 0.1 22.7 Analyzer Cal 

4/1/2009 9:56 10.0 0.1 15.1 Analyzer Cal 

4/1/20099:56 21.1 0.1 0.2 Analyzer Cal 

4/1/20099:56 21.0 0.1 0.1 Analyzer Cal 

4/1/20099:57 21.0 0.1 0.1 Analyzer Cal 

4/1/20099:57 21.0 0.1 0.1 Analyzer Cal 

4/1/2009 9:57 19.1 0.1 0.1 Analyzer Cal 

4/1/2009 9: 58 0.2 0.1 0.2 Analyzer Cal 

4/1/20099:58 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 9:58 0.0 0.1 0.6 Analyzer Cal 

4/1/20099:59 0.0 0.1 0.5 Analyzer Cal 

4/1/20099:59 0.0 0.1 0.4 Analyzer Cal 

4/1/20099:59 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 10:00 0.0 0.1 0.4 Analyzer Cal 

4/1/200910:00 5.7 0.1 0.4 Analyzer Cal 

4/1/200910:00 21.1 0.1 0.2 Analyzer Cal 

4/1/2009 10:01 21.0 0.1 0.0 Analyzer Cal 

4/1/200910:01 20.9 0.1 0.0 Analyzer Cal 

4/1/200910:01 9.1 0.1 0.0 Analyzer Cal 

4/1/200910:02 0.3 0.0 0.0 System Bias Check 

4/1/200910:02 0.1 0.0 0.3 System Bias Check 

4/1/2009 10:02 0.1 0.0 0.5 System Bias Check 

Page 12 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/200910:03 0.1 0.0 0.6 System Bias Check 

4/1/200910:03 0.1 0.0 0.6 System Bias Check 

4/1/200910:03 0.7 0.0 0.6 System Bias Check 

4/1/200910:04 0.1 0.0 1.3 System Bias Check 

4/1/200910:04 0.1 0.0 2.4 System Bias Check 

4/1/200910:04 0.1 0.0 2.9 System Bias Check 

4/1/200910:05 0.1 0.0 2.9 System Bias Check 

4/1/200910:05 0.1 0.0 2.9 System Bias Check 

4/1/200910:05 0.1 0.0 2.8 System Bias Check 

4/1/2009 10:06 0.1 0.0 2.9 System Bias Check 

4/1/200910:06 0.1 0.0 2.9 System Bias Check 

4/1/200910:06 12.2 0.0 2.6 System Bias Check 

4/1/200910:07 20.6 0.3 1.1 In Stack 

4/1/200910:07 19.6 1.3 0.1 In Stack 

4/1/200910:07 19.6 1.3 0.4 In Stack 

4/1/200910:08 19.6 1.4 1.0 In Stack 

4/1/2009 11:44 21.0 0.2 0.0 

4/1/2009 11 :44 21.0 0.2 0.0 

4/1/200911:44 19.7 0.2 0.0 

4/1/2009 11 :45 0.4 0.1 0.3 System Bias Check 

4/1/2009 11 :45 0.0 0.1 3.4 System Bias Check 

4/1/200911:45 0.0 0.1 10.5 System Bias Check 

4/1/2009 11:46 0.0 0.1 16.3 System Bias Check 

4/1/2009 11:46 0.0 0.1 18.7 System Bias Check 

4/1/2009 11 :46 0.0 0.1 19.9 System Bias Check 

4/1/2009 11 :47 1.9 0.1 6.3 System Bias Check 

4/1/2009 11:47 0.0 0.0 0.8 System Bias Check 

4/1/2009 11 :47 0.1 0.0 0.5 System Bias Check 

4/1/2009 11 :48 17.5 0.0 0.1 System Bias Check 

4/1/2009 11:48 20.8 0.1 0.0 System Bias Check 

4/1/2009 11 :48 6.1 0.0 0.2 System Bias Check 

4/1/2009 11 :49 0.3 0.0 0.4 System Bias Check 

4/1/2009 11 :49 0.2 0.0 0.4 System Bias Check 

4/1/2009 11:49 0.2 0.0 0.5 System Bias Check 

4/1/200911:50 0.2 0.0 0.5 System Bias Check 

4/1/2009 11 :50 0.2 0.0 0.5 System Bias Check 

4/1/2009 11 :50 0.1 0.0 0.5 System Bias Check 

4/1/200911:51 0.1 0.0 0.5 System Bias Check 

4/1/2009 11 :51 0.1 0.0 0.5 System Bias Check 

4/1/2009 11 :51 0.1 0.0 0.5 System Bias Check 

4/1/200911:52 0.1 0.0 0.5 System Bias Check 

4/1/2009 11 :52 0.1 0.0 1.3 System Bias Check 

4/1/2009 11 :52 0.1 0.0 2.7 System Bias Check 

4/1/2009 11:53 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :53 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :53 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :54 0.1 0.0 3.4 System Bias Check 

4/1/2009 11 :54 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :54 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :55 9.1 1.1 2.9 System Bias Check 

4/1/2009 11 :55 20.6 4.7 1.3 System Bias Check 

4/1/2009 11 :55 21.0 4.8 0.1 System Bias Check 

4/1/2009 11 :56 21.1 4.9 0.0 System Bias Check 

4/1/2009 11 :56 21.1 4.9 0.0 System Bias Check 

4/1/2009 11 :56 21.1 4.2 0.0 System Bias Check 

4/1/2009 11 :57 21.0 0.3 0.0 System Bias Check 

4/1/200911:57 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :57 21.0 0.1 0.0 System Bias Check 

4/1/200911:58 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :58 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :58 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :59 21.0 0.1 0.0 System Bias Check 

4/1/2009 11:59 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :59 21.0 0.1 0.0 System Bias Check 

4/1/200912:00 21.0 0.1 0.0 System Bias Check 

4/1/200912:00 20.6 0.4 0.0 In Stack 

4/1/200912:00 19.8 1.1 0.2 In Stack 

4/1/200912:01 19.8 1.1 0.5 In Stack 

4/1/2009 12:43 19.7 1.3 3.3 In Stack 

4/1/200912:44 19.7 1.3 3.3 In Stack 

4/1/200912:44 19.7 1.3 3.3 In Stack 

4/1/2009 12:44 19.7 1.3 3.2 In Stack 

4/1/200912:45 19.7 1.3 3.2 Run 3 

4/1/200912:45 19.7 1.3 3.3 Run 3 

4/1/2009 12:45 19.7 1.3 3.4 Run 3 

4/1/2009 12:46 19.7 1.3 3.3 Run 3 

4/1/2009 12:46 19.7 1.3 3.3 Run 3 

4/1/200912:46 19.7 1.3 3.3 Run 3 

4/1/2009 12:47 19.7 1.3 3.3 Run 3 

4/1/200912:47 19.7 1.3 3.2 Run 3 

4/1/200912:47 19.7 1.3 3.2 Run 3 

Page 13 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/200910:03 0.1 0.0 0.6 System Bias Check 

4/1/200910:03 0.1 0.0 0.6 System Bias Check 

4/1/200910:03 0.7 0.0 0.6 System Bias Check 

4/1/200910:04 0.1 0.0 1.3 System Bias Check 

4/1/200910:04 0.1 0.0 2.4 System Bias Check 

4/1/200910:04 0.1 0.0 2.9 System Bias Check 

4/1/200910:05 0.1 0.0 2.9 System Bias Check 

4/1/200910:05 0.1 0.0 2.9 System Bias Check 

4/1/200910:05 0.1 0.0 2.8 System Bias Check 

4/1/2009 10:06 0.1 0.0 2.9 System Bias Check 

4/1/200910:06 0.1 0.0 2.9 System Bias Check 

4/1/200910:06 12.2 0.0 2.6 System Bias Check 

4/1/200910:07 20.6 0.3 1.1 In Stack 

4/1/200910:07 19.6 1.3 0.1 In Stack 

4/1/200910:07 19.6 1.3 0.4 In Stack 

4/1/200910:08 19.6 1.4 1.0 In Stack 

4/1/2009 11:44 21.0 0.2 0.0 

4/1/2009 11 :44 21.0 0.2 0.0 

4/1/200911:44 19.7 0.2 0.0 

4/1/2009 11 :45 0.4 0.1 0.3 System Bias Check 

4/1/2009 11 :45 0.0 0.1 3.4 System Bias Check 

4/1/200911:45 0.0 0.1 10.5 System Bias Check 

4/1/2009 11:46 0.0 0.1 16.3 System Bias Check 

4/1/2009 11:46 0.0 0.1 18.7 System Bias Check 

4/1/2009 11 :46 0.0 0.1 19.9 System Bias Check 

4/1/2009 11 :47 1.9 0.1 6.3 System Bias Check 

4/1/2009 11:47 0.0 0.0 0.8 System Bias Check 

4/1/2009 11 :47 0.1 0.0 0.5 System Bias Check 

4/1/2009 11 :48 17.5 0.0 0.1 System Bias Check 

4/1/2009 11:48 20.8 0.1 0.0 System Bias Check 

4/1/2009 11 :48 6.1 0.0 0.2 System Bias Check 

4/1/2009 11 :49 0.3 0.0 0.4 System Bias Check 

4/1/2009 11 :49 0.2 0.0 0.4 System Bias Check 

4/1/2009 11:49 0.2 0.0 0.5 System Bias Check 

4/1/200911:50 0.2 0.0 0.5 System Bias Check 

4/1/2009 11 :50 0.2 0.0 0.5 System Bias Check 

4/1/2009 11 :50 0.1 0.0 0.5 System Bias Check 

4/1/200911:51 0.1 0.0 0.5 System Bias Check 

4/1/2009 11 :51 0.1 0.0 0.5 System Bias Check 

4/1/2009 11 :51 0.1 0.0 0.5 System Bias Check 

4/1/200911:52 0.1 0.0 0.5 System Bias Check 

4/1/2009 11 :52 0.1 0.0 1.3 System Bias Check 

4/1/2009 11 :52 0.1 0.0 2.7 System Bias Check 

4/1/2009 11:53 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :53 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :53 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :54 0.1 0.0 3.4 System Bias Check 

4/1/2009 11 :54 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :54 0.1 0.0 3.3 System Bias Check 

4/1/2009 11 :55 9.1 1.1 2.9 System Bias Check 

4/1/2009 11 :55 20.6 4.7 1.3 System Bias Check 

4/1/2009 11 :55 21.0 4.8 0.1 System Bias Check 

4/1/2009 11 :56 21.1 4.9 0.0 System Bias Check 

4/1/2009 11 :56 21.1 4.9 0.0 System Bias Check 

4/1/2009 11 :56 21.1 4.2 0.0 System Bias Check 

4/1/2009 11 :57 21.0 0.3 0.0 System Bias Check 

4/1/200911:57 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :57 21.0 0.1 0.0 System Bias Check 

4/1/200911:58 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :58 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :58 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :59 21.0 0.1 0.0 System Bias Check 

4/1/2009 11:59 21.0 0.1 0.0 System Bias Check 

4/1/2009 11 :59 21.0 0.1 0.0 System Bias Check 

4/1/200912:00 21.0 0.1 0.0 System Bias Check 

4/1/200912:00 20.6 0.4 0.0 In Stack 

4/1/200912:00 19.8 1.1 0.2 In Stack 

4/1/200912:01 19.8 1.1 0.5 In Stack 

4/1/2009 12:43 19.7 1.3 3.3 In Stack 

4/1/200912:44 19.7 1.3 3.3 In Stack 

4/1/200912:44 19.7 1.3 3.3 In Stack 

4/1/2009 12:44 19.7 1.3 3.2 In Stack 

4/1/200912:45 19.7 1.3 3.2 Run 3 

4/1/200912:45 19.7 1.3 3.3 Run 3 

4/1/2009 12:45 19.7 1.3 3.4 Run 3 

4/1/2009 12:46 19.7 1.3 3.3 Run 3 

4/1/2009 12:46 19.7 1.3 3.3 Run 3 

4/1/200912:46 19.7 1.3 3.3 Run 3 

4/1/2009 12:47 19.7 1.3 3.3 Run 3 

4/1/200912:47 19.7 1.3 3.2 Run 3 

4/1/200912:47 19.7 1.3 3.2 Run 3 

Page 13 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 12:48 19.7 1.3 3.2 Run 3 

4/1/200912:48 19.7 1.3 3.2 Run 3 

4/1/2009 12:48 19.7 1.3 3.1 Run 3 

4/1/2009 12:49 19.7 1.3 3.0 Run 3 

4/1/200912:49 19.7 1.3 3.1 Run 3 

4/1/200912:49 19.7 1.3 3.1 Run 3 

4/1/2009 12:50 19.7 1.4 3.1 Run 3 

4/1/200912:50 19.7 1.4 2.9 Run 3 

4/1/200912:50 19.7 1.4 2.9 Run 3 

4/1/200912:51 19.7 1.4 2.9 Run 3 

4/1/200912:51 19.7 1.4 2.9 Run 3 

4/1/200912:51 19.7 1.4 2.8 Run 3 

4/1/200912:52 19.7 1.4 2.7 Run 3 

4/1/2009 12:52 19.7 1.4 2.7 Run 3 

4/1/2009 12:52 19.7 1.4 2.6 Run 3 

4/1/200912:53 19.7 1.4 2.7 Run 3 

4/1/200912:53 19.7 1.3 2.7 Run 3 

4/1/200912:53 19.7 1.3 2.8 Run 3 

4/1/200912:54 19.7 1.3 2.8 Run 3 

4/1/2009 12:54 19.7 1.3 2.8 Run 3 

4/1/200912:54 19.7 1.3 2.9 Run 3 

4/1/200912:55 19.7 1.3 3.0 Run 3 

4/1/2009 12:55 19.7 1.3 3.0 Run 3 

4/1/2009 12:55 19.7 1.3 3.2 Run 3 

4/1/200912:56 19.7 1.3 3.3 Run 3 

4/1/200912:56 19.7 1.3 3.4 Run 3 

4/1/200912:56 19.7 1.3 3.5 Run 3 

4/1/2009 12:57 19.7 1.3 3.5 Run 3 

4/1/2009 12:57 19.7 1.3 3.5 Run 3 

4/1/200912:57 19.7 1.3 3.4 Run 3 

4/1/200912:58 19.7 1.3 3.4 Run 3 

4/1/2009 12:58 19.7 1.3 3.5 Run 3 

4/1/2009 12:58 19.7 1.3 3.4 Run 3 

4/1/200912:59 19.7 1.3 3.4 Run 3 

4/1/2009 12:59 19.7 1.3 3.4 Run 3 

4/1/200912:59 19.7 1.3 3.4 Run 3 

4/1/200913:00 19.7 1.3 3.4 Run 3 

4/1/200913:00 19.7 1.3 3.4 Run 3 

4/1/2009 13:00 19.7 1.3 3.4 Run 3 

4/1/200913:01 19.7 1.3 3.5 Run 3 

4/1/2009 13:01 19.7 1.3 3.5 Run 3 

4/1/200913:01 19.7 1.3 3.5 Run 3 

4/1/200913:02 19.7 1.3 3.6 Run 3 

4/1/200913:02 19.7 1.3 3.7 Run 3 

4/1/200913:02 19.7 1.3 3.8 Run 3 

4/1/200913:03 19.7 1.3 3.9 Run 3 

4/1/2009 13:03 19.7 1.3 4.0 Run 3 

4/1/2009 13:03 19.7 1.3 4.0 Run 3 

4/1/200913:04 19.7 1.3 4.0 Run 3 

4/1/200913:04 19.7 1.3 4.1 Run 3 

4/1/2009 13:04 19.7 1.3 4.1 Run 3 

4/1/200913:05 19.7 1.3 4.1 Run 3 

4/1/200913:05 19.7 1.3 4.2 Run 3 

4/1/2009 13:05 19.7 1.3 4.1 Run 3 

4/1/200913:06 19.7 1.3 4.1 Run 3 

4/1/2009 13:06 19.7 1.3 4.0 Run 3 

4/1/200913:06 19.7 1.3 4.1 Run 3 

4/1/200913:07 19.7 1.3 4.2 Run 3 

4/1/200913:07 19.7 1.3 4.2 Run 3 

4/1/200913:07 19.7 1.3 4.2 Run 3 

4/1/200913:08 19.7 1.3 4.3 Run 3 

4/1/2009 13:08 19.7 1.3 4.4 Run 3 

4/1/200913:08 19.7 1.3 4.5 Run 3 

4/1/200913:09 19.7 1.3 4.6 Run 3 

4/1/2009 13:09 19.7 1.3 4.6 Run 3 

4/1/200913:09 19.7 1.3 4.5 Run 3 

4/1/200913:10 19.7 1.4 4.5 Run 3 

4/1/200913:10 19.7 1.4 4.6 Run 3 

4/1/200913:10 19.7 1.4 4.5 Run 3 

4/1/200913:11 19.7 1.4 4.4 Run 3 

4/1/200913:11 19.7 1.4 4.5 Run 3 

4/1/200913:11 19.7 1.4 4.5 Run 3 

4/1/200913:12 19.7 1.4 4.5 Run 3 

4/1/2009 13:12 19.7 1.4 4.4 Run 3 

4/1/200913:12 19.7 1.4 4.3 Run 3 

4/1/200913:13 19.7 1.4 4.2 Run 3 

4/1/2009 13:13 19.7 1.4 4.2 Run 3 

4/1/200913:13 19.7 1.4 4.1 Run 3 

4/1/200913:14 19.7 1.4 4.1 Run 3 

4/1/200913:14 19.7 1.4 4.1 Run 3 

4/1/2009 13:14 19.7 1.4 4.1 Run 3 

Page 14 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 12:48 19.7 1.3 3.2 Run 3 

4/1/200912:48 19.7 1.3 3.2 Run 3 

4/1/2009 12:48 19.7 1.3 3.1 Run 3 

4/1/2009 12:49 19.7 1.3 3.0 Run 3 

4/1/200912:49 19.7 1.3 3.1 Run 3 

4/1/200912:49 19.7 1.3 3.1 Run 3 

4/1/2009 12:50 19.7 1.4 3.1 Run 3 

4/1/200912:50 19.7 1.4 2.9 Run 3 

4/1/200912:50 19.7 1.4 2.9 Run 3 

4/1/200912:51 19.7 1.4 2.9 Run 3 

4/1/200912:51 19.7 1.4 2.9 Run 3 

4/1/200912:51 19.7 1.4 2.8 Run 3 

4/1/200912:52 19.7 1.4 2.7 Run 3 

4/1/2009 12:52 19.7 1.4 2.7 Run 3 

4/1/2009 12:52 19.7 1.4 2.6 Run 3 

4/1/200912:53 19.7 1.4 2.7 Run 3 

4/1/200912:53 19.7 1.3 2.7 Run 3 

4/1/200912:53 19.7 1.3 2.8 Run 3 

4/1/200912:54 19.7 1.3 2.8 Run 3 

4/1/2009 12:54 19.7 1.3 2.8 Run 3 

4/1/200912:54 19.7 1.3 2.9 Run 3 

4/1/200912:55 19.7 1.3 3.0 Run 3 

4/1/2009 12:55 19.7 1.3 3.0 Run 3 

4/1/2009 12:55 19.7 1.3 3.2 Run 3 

4/1/200912:56 19.7 1.3 3.3 Run 3 

4/1/200912:56 19.7 1.3 3.4 Run 3 

4/1/200912:56 19.7 1.3 3.5 Run 3 

4/1/2009 12:57 19.7 1.3 3.5 Run 3 

4/1/2009 12:57 19.7 1.3 3.5 Run 3 

4/1/200912:57 19.7 1.3 3.4 Run 3 

4/1/200912:58 19.7 1.3 3.4 Run 3 

4/1/2009 12:58 19.7 1.3 3.5 Run 3 

4/1/2009 12:58 19.7 1.3 3.4 Run 3 

4/1/200912:59 19.7 1.3 3.4 Run 3 

4/1/2009 12:59 19.7 1.3 3.4 Run 3 

4/1/200912:59 19.7 1.3 3.4 Run 3 

4/1/200913:00 19.7 1.3 3.4 Run 3 

4/1/200913:00 19.7 1.3 3.4 Run 3 

4/1/2009 13:00 19.7 1.3 3.4 Run 3 

4/1/200913:01 19.7 1.3 3.5 Run 3 

4/1/2009 13:01 19.7 1.3 3.5 Run 3 

4/1/200913:01 19.7 1.3 3.5 Run 3 

4/1/200913:02 19.7 1.3 3.6 Run 3 

4/1/200913:02 19.7 1.3 3.7 Run 3 

4/1/200913:02 19.7 1.3 3.8 Run 3 

4/1/200913:03 19.7 1.3 3.9 Run 3 

4/1/2009 13:03 19.7 1.3 4.0 Run 3 

4/1/2009 13:03 19.7 1.3 4.0 Run 3 

4/1/200913:04 19.7 1.3 4.0 Run 3 

4/1/200913:04 19.7 1.3 4.1 Run 3 

4/1/2009 13:04 19.7 1.3 4.1 Run 3 

4/1/200913:05 19.7 1.3 4.1 Run 3 

4/1/200913:05 19.7 1.3 4.2 Run 3 

4/1/2009 13:05 19.7 1.3 4.1 Run 3 

4/1/200913:06 19.7 1.3 4.1 Run 3 

4/1/2009 13:06 19.7 1.3 4.0 Run 3 

4/1/200913:06 19.7 1.3 4.1 Run 3 

4/1/200913:07 19.7 1.3 4.2 Run 3 

4/1/200913:07 19.7 1.3 4.2 Run 3 

4/1/200913:07 19.7 1.3 4.2 Run 3 

4/1/200913:08 19.7 1.3 4.3 Run 3 

4/1/2009 13:08 19.7 1.3 4.4 Run 3 

4/1/200913:08 19.7 1.3 4.5 Run 3 

4/1/200913:09 19.7 1.3 4.6 Run 3 

4/1/2009 13:09 19.7 1.3 4.6 Run 3 

4/1/200913:09 19.7 1.3 4.5 Run 3 

4/1/200913:10 19.7 1.4 4.5 Run 3 

4/1/200913:10 19.7 1.4 4.6 Run 3 

4/1/200913:10 19.7 1.4 4.5 Run 3 

4/1/200913:11 19.7 1.4 4.4 Run 3 

4/1/200913:11 19.7 1.4 4.5 Run 3 

4/1/200913:11 19.7 1.4 4.5 Run 3 

4/1/200913:12 19.7 1.4 4.5 Run 3 

4/1/2009 13:12 19.7 1.4 4.4 Run 3 

4/1/200913:12 19.7 1.4 4.3 Run 3 

4/1/200913:13 19.7 1.4 4.2 Run 3 

4/1/2009 13:13 19.7 1.4 4.2 Run 3 

4/1/200913:13 19.7 1.4 4.1 Run 3 

4/1/200913:14 19.7 1.4 4.1 Run 3 

4/1/200913:14 19.7 1.4 4.1 Run 3 

4/1/2009 13:14 19.7 1.4 4.1 Run 3 

Page 14 of 17 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02-.Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 13: 15 19.7 1.4 4.0 Run 3 

4/1/200913:15 19.7 1.4 4.1 Run 3 

4/1/200913:15 19.7 1.3 4.2 Run 3 

4/1/200913:16 19.7 1.3 4.2 Run 3 

4/1/200913:16 19.7 1.3 4.2 Run 3 

4/1/2009 13: 16 19.7 1.4 4.2 Run 3 

4/1/200913:17 19.7 1.4 4.2 Run 3 

4/1/200913:17 19.7 1.4 4.2 Run 3 

4/1/200913:17 19.7 1.4 4.1 Run 3 

4/1/200913:18 19.7 1.4 4.0 Run 3 

4/1/200913:18 19.7 1.3 4.0 Run 3 

4/1/200913:18 19.7 1.3 4.1 Run 3 

4/1/200913:19 19.7 1.3 4.0 Run 3 

4/1/2009 13: 19 19.7 1.3 4.0 Run 3 

4/1/200913:19 19.7 1.3 4.0 Run 3 

4/1/200913:20 19.7 1.3 4.0 Run 3 

4/1/200913:20 19.7 1.4 4.0 Run 3 

4/1/200913:20 19.7 1.4 4.0 Run 3 

4/1/200913:21 19.7 1.3 4.0 Run 3 

4/1/2009 13:21 19.7 1.3 4.0 Run 3 

4/1/200913:21 19.7 1.4 4.0 Run 3 

4/1/200913:22 19.7 1.4 3.8 Run 3 

4/1/2009 13:22 19.7 1.4 3.8 Run 3 

4/1/200913:22 19.7 1.4 3.9 Run 3 

4/1/2009 13:23 19.7 1.3 3.9 Run 3 

4/1/200913:23 19.7 1.4 3.9 Run 3 

4/1/200913:23 19.7 1.3 3.9 Run 3 

4/1/2009 13:24 19.7 1.4 4.0 Run 3 

4/1/200913:24 19.7 1.4 4.0 Run 3 

4/1/2009 13:24 19.7 1.4 3.9 Run 3 

4/1/200913:25 19.7 1.4 3.9 Run 3 

4/1/2009 13:25 19.7 1.4 3.9 Run 3 

4/1/2009 13:25 19.7 1.4 3.8 Run 3 

4/1/200913:26 19.7 1.3 3.8 Run 3 

4/1/200913:26 19.7 1.3 3.8 Run 3 

4/1/2009 13:26 19.7 1.3 3.8 Run 3 

4/1/200913:27 19.7 1.3 3.8 Run 3 

4/1/2009 13:27 19.7 1.3 3.8 Run 3 

4/1/200913:27 19.7 1.3 3.7 Run 3 

4/1/2009 13:28 19.7 1.3 3.7 Run 3 

4/1/2009 13:28 19.7 1.3 3.7 Run 3 

4/1/200913:28 19.7 1.3 3.7 Run 3 

4/1/2009 13:29 19.7 1.3 3.8 Run 3 

4/1/2009 13:29 19.7 1.4 4.0 Run 3 

4/1/200913:29 19.7 1.4 3.9 Run 3 

4/1/200913:30 19.7 1.4 3.8 Run 3 

Page 15 of 17 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02-.Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 13: 15 19.7 1.4 4.0 Run 3 

4/1/200913:15 19.7 1.4 4.1 Run 3 

4/1/200913:15 19.7 1.3 4.2 Run 3 

4/1/200913:16 19.7 1.3 4.2 Run 3 

4/1/200913:16 19.7 1.3 4.2 Run 3 

4/1/2009 13: 16 19.7 1.4 4.2 Run 3 

4/1/200913:17 19.7 1.4 4.2 Run 3 

4/1/200913:17 19.7 1.4 4.2 Run 3 

4/1/200913:17 19.7 1.4 4.1 Run 3 

4/1/200913:18 19.7 1.4 4.0 Run 3 

4/1/200913:18 19.7 1.3 4.0 Run 3 

4/1/200913:18 19.7 1.3 4.1 Run 3 

4/1/200913:19 19.7 1.3 4.0 Run 3 

4/1/2009 13: 19 19.7 1.3 4.0 Run 3 

4/1/200913:19 19.7 1.3 4.0 Run 3 

4/1/200913:20 19.7 1.3 4.0 Run 3 

4/1/200913:20 19.7 1.4 4.0 Run 3 

4/1/200913:20 19.7 1.4 4.0 Run 3 

4/1/200913:21 19.7 1.3 4.0 Run 3 

4/1/2009 13:21 19.7 1.3 4.0 Run 3 

4/1/200913:21 19.7 1.4 4.0 Run 3 

4/1/200913:22 19.7 1.4 3.8 Run 3 

4/1/2009 13:22 19.7 1.4 3.8 Run 3 

4/1/200913:22 19.7 1.4 3.9 Run 3 

4/1/2009 13:23 19.7 1.3 3.9 Run 3 

4/1/200913:23 19.7 1.4 3.9 Run 3 

4/1/200913:23 19.7 1.3 3.9 Run 3 

4/1/2009 13:24 19.7 1.4 4.0 Run 3 

4/1/200913:24 19.7 1.4 4.0 Run 3 

4/1/2009 13:24 19.7 1.4 3.9 Run 3 

4/1/200913:25 19.7 1.4 3.9 Run 3 

4/1/2009 13:25 19.7 1.4 3.9 Run 3 

4/1/2009 13:25 19.7 1.4 3.8 Run 3 

4/1/200913:26 19.7 1.3 3.8 Run 3 

4/1/200913:26 19.7 1.3 3.8 Run 3 

4/1/2009 13:26 19.7 1.3 3.8 Run 3 

4/1/200913:27 19.7 1.3 3.8 Run 3 

4/1/2009 13:27 19.7 1.3 3.8 Run 3 

4/1/200913:27 19.7 1.3 3.7 Run 3 

4/1/2009 13:28 19.7 1.3 3.7 Run 3 

4/1/2009 13:28 19.7 1.3 3.7 Run 3 

4/1/200913:28 19.7 1.3 3.7 Run 3 

4/1/2009 13:29 19.7 1.3 3.8 Run 3 

4/1/2009 13:29 19.7 1.4 4.0 Run 3 

4/1/200913:29 19.7 1.4 3.9 Run 3 

4/1/200913:30 19.7 1.4 3.8 Run 3 

Page 15 of 17 
ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 13:30 19.7 1.4 3.8 Run 3 

4/1/200913:30 19.7 1.4 3.8 Run 3 

4/1/200913:31 19.7 1.4 3.8 Run 3 

4/1/200913:31 19.7 1.4 3.8 Run 3 

4/1/2009 13:31 19.7 1.4 3.7 Run 3 

4/1/200913:32 19.6 1.4 3.7 Run 3 

4/1/2009 13:32 19.6 1.4 3.7 Run 3 

4/1/200913:32 19.6 1.4 3.6 Run 3 

4/1/200913:33 19.6 1.4 3.5 Run 3 

4/1/200913:33 19.7 1.4 3.5 Run 3 

4/1/2009 13:33 19.6 1.4 3.6 Run 3 

4/1/200913:34 19.6 1.4 3.6 Run 3 

4/1/2009 13:34 19.6 1.4 3.6 Run 3 

4/1/200913:34 19.7 1.4 3.6 Run 3 

4/1/200913:35 19.7 1.4 3.6 Run 3 

4/1/200913:35 19.7 1.4 3.6 Run 3 

4/1/200913:35 19.7 1.4 3.6 Run 3 

4/1/200913:36 19.7 1.4 3.6 Run 3 

4/1/200913:36 19.7 1.4 3.6 Run 3 

4/1/2009 13:36 19.7 1.4 3.5 Run 3 

4/1/200913:37 19.7 1.4 3.5 Run 3 

4/1/2009 13:37 19.7 1.4 3.5 Run 3 

4/1/200913:37 19.7 1.4 3.6 Run 3 

4/1/2009 13:38 19.7 1.4 3.6 Run 3 

4/1/200913:38 19.7 1.4 3.7 Run 3 

4/1/200913:38 19.7 1.3 3.7 Run 3 

4/1/2009 13:39 19.7 1.4 3.7 Run 3 

4/1/2009 13:39 19.7 1.4 3.7 Run 3 

4/1/200913:39 19.7 1.4 3.8 Run 3 

4/1/2009 13:40 19.7 1.4 3.7 Run 3 

4/1/2009 13:40 19.7 1.4 3.7 Run 3 

4/1/200913:40 19.7 1.4 3.6 Run 3 

4/1/200913:41 19.7 1.4 3.6 Run 3 

4/1/200913:41 19.7 1.4 3.6 Run 3 

4/1/200913:41 19.7 1.4 3.6 Run 3 

4/1/200913:42 19.7 1.4 3.6 Run 3 

4/1/200913:42 19.7 1.4 3.6 Run 3 

4/1/2009 13:42 19.7 1.4 3.6 Run 3 

4/1/2009 13:43 19.7 1.4 3.7 Run 3 

4/1/2009 13:43 19.7 1.3 3.8 Run 3 

4/1/2009 13:43 19.7 1.3 3.9 Run 3 

4/1/2009 13:44 19.7 1.3 3.9 Run 3 

4/1/200913:44 19.7 1.3 3.8 Run 3 

4/1/200913:44 19.7 1.3 3.8 Run 3 

4/1/200913:45 19.7 1.3 3.9 

4/1/200913:45 19.7 1.4 3.9 

4/1/2009 13:45 19.7 1.4 3.9 

4/1/200913:46 19.7 1.4 3.9 

4/1/2009 13:46 19.7 1.4 3.9 

4/1/200913:46 18.3 1.9 3.8 

4/1/200913:47 1.2 0.2 3.6 Bias Drift Check 

4/1/200913:47 0.2 0.0 3.1 Bias Drift Check 

4/1/200913:47 0.1 0.0 2.6 Bias Drift Check 

4/1/2009 13:48 0.1 0.0 2.3 Bias Drift Check 

4/1/200913:48 0.1 0.0 2.0 Bias Drift Check 

4/1/200913:48 0.1 0.0 1.8 Bias Drift Check 

4/1/200913:49 0.1 0.0 1.6 Bias Drift Check 

4/1/200913:49 0.1 0.0 1.5 Bias Drift Check 

4/1/2009 13:49 0.1 0.0 2.2 Bias Drift Check 

4/1/200913:50 0.1 0.0 3.6 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 4.2 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 4.2 Bias Drift Check 

4/1/200913:51 0.1 0.0 4.2 Bias Drift Check 

4/1/200913:51 0.1 0.0 4.1 Bias Drift Check 

4/1/200913:51 1.8 0.5 4.1 Bias Drift Check 

4/1/2009 13:52 19.8 4.7 3.0 Bias Drift Check 

4/1/200913:52 21.1 4.9 0.9 Bias Drift Check 

4/1/2009 13:52 21.1 4.9 0.3 Bias Drift Check 

4/1/200913:53 21.1 4.7 0.2 Bias Drift Check 

4/1/200913:53 21.0 0.5 0.2 Bias Drift Check 

4/1/200913:53 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13: 54 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:54 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:54 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:56 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:56 16.4 0.1 0.2 Bias Drift Check 

4/1/2009 13:56 8.6 0.1 2.0 Bias Drift Check 

4/1/200913:57 6.4 0.0 4.2 Bias Drift Check 

Page 16 of 17 

ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 03/31/09 

Indurating Furnace Stack A (SV014) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 13:30 19.7 1.4 3.8 Run 3 

4/1/200913:30 19.7 1.4 3.8 Run 3 

4/1/200913:31 19.7 1.4 3.8 Run 3 

4/1/200913:31 19.7 1.4 3.8 Run 3 

4/1/2009 13:31 19.7 1.4 3.7 Run 3 

4/1/200913:32 19.6 1.4 3.7 Run 3 

4/1/2009 13:32 19.6 1.4 3.7 Run 3 

4/1/200913:32 19.6 1.4 3.6 Run 3 

4/1/200913:33 19.6 1.4 3.5 Run 3 

4/1/200913:33 19.7 1.4 3.5 Run 3 

4/1/2009 13:33 19.6 1.4 3.6 Run 3 

4/1/200913:34 19.6 1.4 3.6 Run 3 

4/1/2009 13:34 19.6 1.4 3.6 Run 3 

4/1/200913:34 19.7 1.4 3.6 Run 3 

4/1/200913:35 19.7 1.4 3.6 Run 3 

4/1/200913:35 19.7 1.4 3.6 Run 3 

4/1/200913:35 19.7 1.4 3.6 Run 3 

4/1/200913:36 19.7 1.4 3.6 Run 3 

4/1/200913:36 19.7 1.4 3.6 Run 3 

4/1/2009 13:36 19.7 1.4 3.5 Run 3 

4/1/200913:37 19.7 1.4 3.5 Run 3 

4/1/2009 13:37 19.7 1.4 3.5 Run 3 

4/1/200913:37 19.7 1.4 3.6 Run 3 

4/1/2009 13:38 19.7 1.4 3.6 Run 3 

4/1/200913:38 19.7 1.4 3.7 Run 3 

4/1/200913:38 19.7 1.3 3.7 Run 3 

4/1/2009 13:39 19.7 1.4 3.7 Run 3 

4/1/2009 13:39 19.7 1.4 3.7 Run 3 

4/1/200913:39 19.7 1.4 3.8 Run 3 

4/1/2009 13:40 19.7 1.4 3.7 Run 3 

4/1/2009 13:40 19.7 1.4 3.7 Run 3 

4/1/200913:40 19.7 1.4 3.6 Run 3 

4/1/200913:41 19.7 1.4 3.6 Run 3 

4/1/200913:41 19.7 1.4 3.6 Run 3 

4/1/200913:41 19.7 1.4 3.6 Run 3 

4/1/200913:42 19.7 1.4 3.6 Run 3 

4/1/200913:42 19.7 1.4 3.6 Run 3 

4/1/2009 13:42 19.7 1.4 3.6 Run 3 

4/1/2009 13:43 19.7 1.4 3.7 Run 3 

4/1/2009 13:43 19.7 1.3 3.8 Run 3 

4/1/2009 13:43 19.7 1.3 3.9 Run 3 

4/1/2009 13:44 19.7 1.3 3.9 Run 3 

4/1/200913:44 19.7 1.3 3.8 Run 3 

4/1/200913:44 19.7 1.3 3.8 Run 3 

4/1/200913:45 19.7 1.3 3.9 

4/1/200913:45 19.7 1.4 3.9 

4/1/2009 13:45 19.7 1.4 3.9 

4/1/200913:46 19.7 1.4 3.9 

4/1/2009 13:46 19.7 1.4 3.9 

4/1/200913:46 18.3 1.9 3.8 

4/1/200913:47 1.2 0.2 3.6 Bias Drift Check 

4/1/200913:47 0.2 0.0 3.1 Bias Drift Check 

4/1/200913:47 0.1 0.0 2.6 Bias Drift Check 

4/1/2009 13:48 0.1 0.0 2.3 Bias Drift Check 

4/1/200913:48 0.1 0.0 2.0 Bias Drift Check 

4/1/200913:48 0.1 0.0 1.8 Bias Drift Check 

4/1/200913:49 0.1 0.0 1.6 Bias Drift Check 

4/1/200913:49 0.1 0.0 1.5 Bias Drift Check 

4/1/2009 13:49 0.1 0.0 2.2 Bias Drift Check 

4/1/200913:50 0.1 0.0 3.6 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 4.2 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 4.2 Bias Drift Check 

4/1/200913:51 0.1 0.0 4.2 Bias Drift Check 

4/1/200913:51 0.1 0.0 4.1 Bias Drift Check 

4/1/200913:51 1.8 0.5 4.1 Bias Drift Check 

4/1/2009 13:52 19.8 4.7 3.0 Bias Drift Check 

4/1/200913:52 21.1 4.9 0.9 Bias Drift Check 

4/1/2009 13:52 21.1 4.9 0.3 Bias Drift Check 

4/1/200913:53 21.1 4.7 0.2 Bias Drift Check 

4/1/200913:53 21.0 0.5 0.2 Bias Drift Check 

4/1/200913:53 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13: 54 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:54 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:54 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:56 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:56 16.4 0.1 0.2 Bias Drift Check 

4/1/2009 13:56 8.6 0.1 2.0 Bias Drift Check 

4/1/200913:57 6.4 0.0 4.2 Bias Drift Check 

Page 16 of 17 
ArcelorMittal Minorca Mine, Inc. 

Virginia, MN 

TIMESTAMP 

TS 

4/1/200913:57 

4/1/2009 13:57 

4/1/200913:58 

4/1/200913:58 

4/1/200913:58 

4/1/200913:59 

4/1/2009 13:59 

4/1/2009 13:59 

4/1/200914:00 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack A (SV014) 

02_Avg C02_Avg S02_Avg 

Percent Percent PPM 

0.01 0.01 7.41 

0.01 0.01 12.44 

0.00 0.01 13.78 

0.00 0.01 13.86 

2.08 0.01 13.35 

6.92 0.03 8.56 

0.01 0.01 2.24 

0.01 0.01 0.58 

0.01 0.01 0.57 

Page 17 of 17 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Barr Engineering 

Sampled on 03/31/09 

ArcelorMittal Minorca Mine, Inc. 

Virginia, MN 

TIMESTAMP 

TS 

4/1/200913:57 

4/1/2009 13:57 

4/1/200913:58 

4/1/200913:58 

4/1/200913:58 

4/1/200913:59 

4/1/2009 13:59 

4/1/2009 13:59 

4/1/200914:00 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack A (SV014) 

02_Avg C02_Avg S02_Avg 

Percent Percent PPM 

0.01 0.01 7.41 

0.01 0.01 12.44 

0.00 0.01 13.78 

0.00 0.01 13.86 

2.08 0.01 13.35 

6.92 0.03 8.56 

0.01 0.01 2.24 

0.01 0.01 0.58 

0.01 0.01 0.57 

Page 17 of 17 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Bias Drift Check 

Barr Engineering 

Sampled on 03/31/09 
ArcelorMittal Minorca Mine, Inc. 

Virginia, MN 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack B (SV015) 

\verage Analyzer Results 

Run I 02, % I C02,% I S02, ppm 

1 i 19.4 1.6 3.3 

2 i 19.5 i 1.5 : 3.7 

3 I 19.5 i 1.5 4.3 

TOA5 CR1000 1362 CR1000.Std.08 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

Avg Avg Avg 

4/1/2009 8:59 20.7 -0.1 -1.6 

4/1/2009 9:00 12.7 -0.1 -1.4 

4/1/2009 9:00 9.5 -0.1 -1.1 

4/1/2009 9:00 20.1 -0.1 -1.3 

4/1/2009 9:01 20.7 0.0 -1.6 

4/1/2009 9:01 10.4 -0.1 -1.6 

4/1/2009 9:01 0.0 -0.2 -1.3 

4/1/2009 9:02 0.0 0.0 -0.6 

4/1/2009 9:02 0.0 0.0 0.4 

4/1/2009 9:02 0.0 0.0 0.5 

4/1/20099:03 0.0 0.0 0.3 

4/1/2009 9:03 0.0 0.0 0.2 

4/1/2009 9:03 0.0 0.0 0.1 

4/1/2009 9:04 0.0 0.0 0.0 

4/1/2009 9:04 0.0 0.0 0.0 

4/1/2009 9:04 0.0 0.0 0.0 

4/1/2009 9:05 6.0 0.0 0.1 

4/1/2009 9:05 9.9 8.0 0.0 

4/1/2009 9:05 9.0 9.3 -0.5 

4/1/2009 9:06 9.0 9.3 -0.6 

4/1/2009 9:06 9.0 9.3 -0.6 

4/1/2009 9:06 9.0 9.3 -0.6 

4/1/2009 9:07 9.0 9.0 -0.6 

4/1/2009 9:07 9.8 8.4 -0.6 

4/1/20099:07 20.6 4.5 -0.6 

4/1/2009 9:08 21.1 4.9 -0.6 

4/1/2009 9:08 21.1 4.9 -0.6 

4/1/2009 9 :08 21.0 4.9 -0.6 

4/1/2009 9:09 3.1 0.3 -0.6 

4/1/2009 9:09 0.0 0.0 -0.5 

4/1/2009 9:09 0.0 0.0 -0.3 

4/1/20099:10 1.0 0.0 0.2 

4/1/20099:10 5.8 0.1 5.1 

4/1/20099:10 0.0 0.0 22.3 

4/1/2009 9:11 0.0 0.0 25.5 

4/1/20099:11 0.0 0.0 26.0 

4/1/2009 9: 11 0.0 0.0 25.6 

4/1/20099:12 0.0 0.0 26.2 

4/1/20099:12 0.0 0.0 26.5 

4/1/20099:12 0.0 0.0 26.2 

4/1/20099:13 0.7 0.0 26.5 

4/1/20099:13 0.9 0.0 18.5 

4/1/2009 9:13 0.0 0.0 14.9 

4/1/20099:14 0.0 0.0 13.6 

4/1/20099:14 0.0 0.0 13.3 

4/1/20099:14 0.0 0.0 13.4 

4/1/20099:15 0.6 0.0 13.5 

4/1/2009 9:15 0.0 0.0 26.0 

4/1/20099:15 0.0 0.0 41.8 

4/1/20099:16 0.0 0.0 45.1 

4/1/20099:16 0.0 0.0 46.3 

4/1/20099:16 0.0 0.0 46.9 

4/1/20099:17 0.0 0.0 46.9 

4/1/20099:17 0.0 0.0 47.7 

4/1/20099:17 0.0 0.0 48.1 

4/1/20099:18 0.5 0.0 43.6 

4/1/20099:18 0.1 0.0 8.4 

4/1/20099:18 0.0 0.0 17.4 

4/1/20099:19 0.0 0.0 21.7 

4/1/20099:19 0.0 0.0 22.6 

4/1/20099:19 0.0 0.0 22.8 

4/1/2009 9:20 0.0 0.0 35.0 

4/1/2009 9:20 0.0 0.0 47.4 

4/1/2009 9:20 0.0 0.0 48.6 

Page 1 of 14 

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Barr Engineering 

Sampled on 04/01/09 

ArcelorMittal Minorca Mine, Inc. 

Virginia, MN 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack B (SV015) 

\verage Analyzer Results 

Run I 02, % I C02, % I S02, ppm 

1 i 19.4 1.6 3.3 

2 i 19.5 i 1.5 : 3.7 

3 I 19.5 i 1.5 4.3 

TOA5 CR1000 1362 CR1000.Std.08 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

Avg Avg Avg 

4/1/2009 8:59 20.7 -0.1 -1.6 

4/1/2009 9:00 12.7 -0.1 -1.4 

4/1/2009 9:00 9.5 -0.1 -1.1 

4/1/2009 9:00 20.1 -0.1 -1.3 

4/1/2009 9:01 20.7 0.0 -1.6 

4/1/2009 9:01 10.4 -0.1 -1.6 

4/1/2009 9:01 0.0 -0.2 -1.3 

4/1/2009 9:02 0.0 0.0 -0.6 

4/1/2009 9:02 0.0 0.0 0.4 

4/1/2009 9:02 0.0 0.0 0.5 

4/1/20099:03 0.0 0.0 0.3 

4/1/2009 9:03 0.0 0.0 0.2 

4/1/2009 9:03 0.0 0.0 0.1 

4/1/2009 9:04 0.0 0.0 0.0 

4/1/2009 9:04 0.0 0.0 0.0 

4/1/2009 9:04 0.0 0.0 0.0 

4/1/2009 9:05 6.0 0.0 0.1 

4/1/2009 9:05 9.9 8.0 0.0 

4/1/2009 9:05 9.0 9.3 -0.5 

4/1/2009 9:06 9.0 9.3 -0.6 

4/1/2009 9:06 9.0 9.3 -0.6 

4/1/2009 9:06 9.0 9.3 -0.6 

4/1/2009 9:07 9.0 9.0 -0.6 

4/1/2009 9:07 9.8 8.4 -0.6 

4/1/20099:07 20.6 4.5 -0.6 

4/1/2009 9:08 21.1 4.9 -0.6 

4/1/2009 9:08 21.1 4.9 -0.6 

4/1/2009 9 :08 21.0 4.9 -0.6 

4/1/2009 9:09 3.1 0.3 -0.6 

4/1/2009 9:09 0.0 0.0 -0.5 

4/1/2009 9:09 0.0 0.0 -0.3 

4/1/20099:10 1.0 0.0 0.2 

4/1/20099:10 5.8 0.1 5.1 

4/1/20099:10 0.0 0.0 22.3 

4/1/2009 9:11 0.0 0.0 25.5 

4/1/20099:11 0.0 0.0 26.0 

4/1/2009 9: 11 0.0 0.0 25.6 

4/1/20099:12 0.0 0.0 26.2 

4/1/20099:12 0.0 0.0 26.5 

4/1/20099:12 0.0 0.0 26.2 

4/1/20099:13 0.7 0.0 26.5 

4/1/20099:13 0.9 0.0 18.5 

4/1/2009 9:13 0.0 0.0 14.9 

4/1/20099:14 0.0 0.0 13.6 

4/1/20099:14 0.0 0.0 13.3 

4/1/20099:14 0.0 0.0 13.4 

4/1/20099:15 0.6 0.0 13.5 

4/1/2009 9:15 0.0 0.0 26.0 

4/1/20099:15 0.0 0.0 41.8 

4/1/20099:16 0.0 0.0 45.1 

4/1/20099:16 0.0 0.0 46.3 

4/1/20099:16 0.0 0.0 46.9 

4/1/20099:17 0.0 0.0 46.9 

4/1/20099:17 0.0 0.0 47.7 

4/1/20099:17 0.0 0.0 48.1 

4/1/20099:18 0.5 0.0 43.6 

4/1/20099:18 0.1 0.0 8.4 

4/1/20099:18 0.0 0.0 17.4 

4/1/20099:19 0.0 0.0 21.7 

4/1/20099:19 0.0 0.0 22.6 

4/1/20099:19 0.0 0.0 22.8 

4/1/2009 9:20 0.0 0.0 35.0 

4/1/2009 9:20 0.0 0.0 47.4 

4/1/2009 9:20 0.0 0.0 48.6 

Page 1 of 14 

Notes 

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System Bias Check 

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Barr Engineering 

Sampled on 04/01/09 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/20099:21 0.0 0.0 48.9 Analyzer Cal 

4/1/2009 9:21 0.0 0.0 48.6 Analyzer Cal 

4/1/2009 9:21 1.2 0.0 28.7 Analyzer Cal 

4/1/2009 9:22 0.0 0.0 15.8 Analyzer Cal 

4/1/2009 9:22 0.0 0.0 22.2 Analyzer Cal 

4/1/2009 9:22 0.0 0.0 23.5 Analyzer Cal 

4/1/2009 9:23 0.0 0.0 23.7 Analyzer Cal 

4/1/2009 9:23 0.0 0.0 23.8 Analyzer Cal 

4/1/2009 9:23 0.1 0.0 23.4 Analyzer Cal 

4/1/2009 9:24 1.5 0.1 5.2 Analyzer Cal 

4/1/2009 9:24 0.0 0.0 0.6 Analyzer Cal 

4/1/2009 9:24 0.0 0.0 0.2 Analyzer Cal 

4/1/2009 9:25 0.0 0.0 0.2 Analyzer Cal 

4/1/2009 9:25 0.0 0.0 0.1 Analyzer Cal 

4/1/2009 9:25 0.0 0.0 15.1 Analyzer Cal 

4/1/2009 9:26 0.0 0.0 45.8 Analyzer Cal 

4/1/2009 9:26 0.0 0.0 49.2 Analyzer Cal 

4/1/2009 9:26 0.0 0.0 49.6 Analyzer Cal 

4/1/2009 9:27 1.3 0.1 27.4 Analyzer Cal 

4/1/20099:27 0.0 0.0 16.5 Analyzer Cal 

4/1/2009 9:27 0.0 0.1 23.0 Analyzer Cal 

4/1/2009 9:28 8.8 0.1 9.7 Analyzer Cal 

4/1/2009 9:28 14.3 0.2 -0.1 Analyzer Cal 

4/1/20099:28 14.6 0.2 -0.1 Analyzer Cal 

4/1/2009 9:29 13.9 0.2 -0.1 Analyzer Cal 

4/1/2009 9:29 14.6 0.2 -0.1 Analyzer Cal 

4/1/2009 9:29 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/2009 9:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/2009 9:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/2009 9:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/2009 9:32 14.4 0.2 -0.1 Analyzer Cal 

4/1/2009 9:32 15.6 0.2 -0.1 Analyzer Cal 

4/1/20099:32 17.9 0.3 0.0 Analyzer Cal 

4/1/2009 9:33 18.6 0.4 0.1 Analyzer Cal 

4/1/2009 9:33 19.6 0.3 0.1 Analyzer Cal 

4/1/2009 9:33 20.6 0.2 0.0 Analyzer Cal 

4/1/2009 9:34 7.7 0.1 0.0 

4/1/2009 9:49 0.0 0.1 3.1 

4/1/2009 9:50 0.0 0.1 1.6 

4/1/20099:50 0.0 0.1 0.8 

4/1/20099:50 0.0 0.1 0.6 

4/1/20099:51 0.0 0.1 0.5 

4/1/2009 9:51 0.0 0.1 0.5 

4/1/20099:51 0.0 0.1 2.1 

4/1/20099:52 0.0 0.1 32.5 

4/1/2009 9:52 0.0 0.1 43.2 Analyzer Cal 

4/1/2009 9:52 0.0 0.1 44.9 Analyzer Cal 

4/1/2009 9:53 0.0 0.1 45.1 Analyzer Cal 

4/1/20099:53 0.0 0.1 45.6 Analyzer Cal 

4/1/2009 9:53 0.0 0.1 46.1 Analyzer Cal 

4/1/2009 9:54 0.2 0.1 46.2 Analyzer Cal 

4/1/2009 9:54 0.8 0.1 16.3 Analyzer Cal 

4/1/20099:54 0.0 0.1 17.9 Analyzer Cal 

4/1/2009 9:55 0.0 0.1 21.9 Analyzer Cal 

4/1/2009 9:55 0.0 0.1 22.4 Analyzer Cal 

4/1/2009 9:55 0.0 0.1 22.7 Analyzer Cal 

4/1/2009 9:56 10.0 0.1 15.1 Analyzer Cal 

4/1/2009 9:56 21.1 0.1 0.2 Analyzer Cal 

4/1/2009 9:56 21.0 0.1 0.1 Analyzer Cal 

4/1/2009 9:57 21.0 0.1 0.1 Analyzer Cal 

4/1/2009 9:57 21.0 0.1 0.1 Analyzer Cal 

4/1/2009 9:57 19.1 0.1 0.1 Analyzer Cal 

4/1/2009 9:58 0.2 0.1 0.2 Analyzer Cal 

4/1/20099:58 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 9:58 0.0 0.1 0.6 Analyzer Cal 

4/1/2009 9:59 0.0 0.1 0.5 Analyzer Cal 

4/1/2009 9:59 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 9:59 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 10:00 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 10:00 5.7 0.1 0.4 Analyzer Cal 

Page 2 of 14 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/20099:21 0.0 0.0 48.9 Analyzer Cal 

4/1/2009 9:21 0.0 0.0 48.6 Analyzer Cal 

4/1/2009 9:21 1.2 0.0 28.7 Analyzer Cal 

4/1/2009 9:22 0.0 0.0 15.8 Analyzer Cal 

4/1/2009 9:22 0.0 0.0 22.2 Analyzer Cal 

4/1/2009 9:22 0.0 0.0 23.5 Analyzer Cal 

4/1/2009 9:23 0.0 0.0 23.7 Analyzer Cal 

4/1/2009 9:23 0.0 0.0 23.8 Analyzer Cal 

4/1/2009 9:23 0.1 0.0 23.4 Analyzer Cal 

4/1/2009 9:24 1.5 0.1 5.2 Analyzer Cal 

4/1/2009 9:24 0.0 0.0 0.6 Analyzer Cal 

4/1/2009 9:24 0.0 0.0 0.2 Analyzer Cal 

4/1/2009 9:25 0.0 0.0 0.2 Analyzer Cal 

4/1/2009 9:25 0.0 0.0 0.1 Analyzer Cal 

4/1/2009 9:25 0.0 0.0 15.1 Analyzer Cal 

4/1/2009 9:26 0.0 0.0 45.8 Analyzer Cal 

4/1/2009 9:26 0.0 0.0 49.2 Analyzer Cal 

4/1/2009 9:26 0.0 0.0 49.6 Analyzer Cal 

4/1/2009 9:27 1.3 0.1 27.4 Analyzer Cal 

4/1/20099:27 0.0 0.0 16.5 Analyzer Cal 

4/1/2009 9:27 0.0 0.1 23.0 Analyzer Cal 

4/1/2009 9:28 8.8 0.1 9.7 Analyzer Cal 

4/1/2009 9:28 14.3 0.2 -0.1 Analyzer Cal 

4/1/20099:28 14.6 0.2 -0.1 Analyzer Cal 

4/1/2009 9:29 13.9 0.2 -0.1 Analyzer Cal 

4/1/2009 9:29 14.6 0.2 -0.1 Analyzer Cal 

4/1/2009 9:29 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/2009 9:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/2009 9:30 14.5 0.2 -0.1 Analyzer Cal 

4/1/2009 9:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/20099:31 14.5 0.2 -0.1 Analyzer Cal 

4/1/2009 9:32 14.4 0.2 -0.1 Analyzer Cal 

4/1/2009 9:32 15.6 0.2 -0.1 Analyzer Cal 

4/1/20099:32 17.9 0.3 0.0 Analyzer Cal 

4/1/2009 9:33 18.6 0.4 0.1 Analyzer Cal 

4/1/2009 9:33 19.6 0.3 0.1 Analyzer Cal 

4/1/2009 9:33 20.6 0.2 0.0 Analyzer Cal 

4/1/2009 9:34 7.7 0.1 0.0 

4/1/2009 9:49 0.0 0.1 3.1 

4/1/2009 9:50 0.0 0.1 1.6 

4/1/20099:50 0.0 0.1 0.8 

4/1/20099:50 0.0 0.1 0.6 

4/1/20099:51 0.0 0.1 0.5 

4/1/2009 9:51 0.0 0.1 0.5 

4/1/20099:51 0.0 0.1 2.1 

4/1/20099:52 0.0 0.1 32.5 

4/1/2009 9:52 0.0 0.1 43.2 Analyzer Cal 

4/1/2009 9:52 0.0 0.1 44.9 Analyzer Cal 

4/1/2009 9:53 0.0 0.1 45.1 Analyzer Cal 

4/1/20099:53 0.0 0.1 45.6 Analyzer Cal 

4/1/2009 9:53 0.0 0.1 46.1 Analyzer Cal 

4/1/2009 9:54 0.2 0.1 46.2 Analyzer Cal 

4/1/2009 9:54 0.8 0.1 16.3 Analyzer Cal 

4/1/20099:54 0.0 0.1 17.9 Analyzer Cal 

4/1/2009 9:55 0.0 0.1 21.9 Analyzer Cal 

4/1/2009 9:55 0.0 0.1 22.4 Analyzer Cal 

4/1/2009 9:55 0.0 0.1 22.7 Analyzer Cal 

4/1/2009 9:56 10.0 0.1 15.1 Analyzer Cal 

4/1/2009 9:56 21.1 0.1 0.2 Analyzer Cal 

4/1/2009 9:56 21.0 0.1 0.1 Analyzer Cal 

4/1/2009 9:57 21.0 0.1 0.1 Analyzer Cal 

4/1/2009 9:57 21.0 0.1 0.1 Analyzer Cal 

4/1/2009 9:57 19.1 0.1 0.1 Analyzer Cal 

4/1/2009 9:58 0.2 0.1 0.2 Analyzer Cal 

4/1/20099:58 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 9:58 0.0 0.1 0.6 Analyzer Cal 

4/1/2009 9:59 0.0 0.1 0.5 Analyzer Cal 

4/1/2009 9:59 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 9:59 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 10:00 0.0 0.1 0.4 Analyzer Cal 

4/1/2009 10:00 5.7 0.1 0.4 Analyzer Cal 

Page 2 of 14 
ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Fumace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/200910:00 21.1 0.1 0.2 Analyzer Cal 

4/1/2009 10:01 21.0 0.1 0.0 Analyzer Cal 

4/1/2009 10:01 20.9 0.1 0.0 Analyzer Cal 

4/1/2009 10:01 9.1 0.1 0.0 Analyzer Cal 

4/1/2009 10:02 0.3 0.0 0.0 System Bias Check 

4/1/200910:02 0.1 0.0 0.3 System Bias Check 

4/1/2009 10:02 0.1 0.0 0.5 System Bias Check 

4/1/2009 10:03 0.1 0.0 0.6 System Bias Check 

4/1/2009 10:03 0.1 0.0 0.6 System Bias Check 

4/1/2009 10:03 0.7 0.0 0.6 System Bias Check 

4/1/2009 10:04 0.1 0.0 1.3 System Bias Check 

4/1/2009 10:04 0.1 0.0 2.4 System Bias Check 

4/1/2009 10:04 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:05 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:05 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:05 0.1 0.0 2.8 System Bias Check 

4/1/2009 10:06 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:06 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:06 12.2 0.0 2.6 System Bias Check 

4/1/2009 10:07 20.6 0.3 1.1 In Stack 

4/1/2009 10:07 19.6 1.3 0.1 In Stack 

4/1/2009 10:07 19.6 1.3 0.4 In Stack 

4/1/2009 10:08 19.6 1.4 1.0 In Stack 

4/1/2009 10:08 19.6 1.3 1.5 In Stack 

4/1/2009 10:08 19.6 1.3 2.0 In Stack 

4/1/2009 10:09 19.6 1.4 2.4 In Stack 

4/1/2009 10:09 19.6 1.4 2.6 In Stack 

4/1/2009 10:09 19.6 1.4 2.8 In Stack 

4/1/2009 10:10 19.6 1.4 2.9 In Stack 

4/1/200910:10 19.6 1.4 2.9 In Stack 

4/1/200910:10 19.6 1.4 2.9 In Stack 

4/1/2009 10:11 19.6 1.4 2.8 In Stack 

4/1/200910:11 19.6 1.4 2.6 In Stack 

4/1/2009 10:11 19.6 1.4 2.6 In Stack 

4/1/200910:12 19.6 1.3 2.7 In Stack 

4/1/200910:12 19.6 1.3 2.7 In Stack 

4/1/200910:12 19.6 1.3 2.7 In Stack 

4/1/200910:13 19.6 1.4 2.7 In Stack 

4/1/2009 10: 13 19.6 1.4 2.7 In Stack 

4/1/200910:13 19.6 1.4 2.7 In Stack 

4/1/200910:14 19.6 1.4 2.7 In Stack 

4/1/200910:14 19.6 1.3 2.7 In Stack 

4/1/2009 10:14 19.6 1.3 2.6 In Stack 

4/1/200910:15 19.6 1.3 2.6 In Stack 

4/1/2009 10:15 19.6 1.3 2.6 In Stack 

4/1/200910:15 19.6 1.4 2.7 In Stack 

4/1/2009 10: 16 19.6 1.4 2.8 In Stack 

4/1/200910:16 19.6 1.4 2.8 In Stack 

4/1/200910:16 19.6 1.4 2.9 In Stack 

4/1/2009 10: 17 19.7 1.3 2.8 In Stack 

4/1/200910:17 19.7 1.4 2.8 In Stack 

4/1/2009 13:47 0.2 0.0 3.1 Bias Drift Check 

4/1/200913:47 0.1 0.0 2.6 Bias Drift Check 

4/1/200913:48 0.1 0.0 2.3 Bias Drift Check 

4/1/2009 13:48 0.1 0.0 2.0 Bias Drift Check 

4/1/2009 13:48 0.1 0.0 1.8 Bias Drift Check 

4/1/2009 13:49 0.1 0.0 1.6 Bias Drift Check 

4/1/2009 13:49 0.1 0.0 1.5 Bias Drift Check 

4/1/2009 13:49 0.1 0.0 2.2 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 3.6 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 4.2 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 4.2 Bias Drift Check 

4/1/200913:51 0.1 0.0 4.2 Bias Drift Check 

4/1/2009 13:51 0.1 0.0 4.1 Bias Drift Check 

4/1/2009 13:51 1.8 0.5 4.1 Bias Drift Check 

4/1/2009 13:52 19.8 4.7 3.0 Bias Drift Check 

4/1/2009 13:52 21.1 4.9 0.9 Bias Drift Check 

4/1/2009 13:52 21.1 4.9 0.3 Bias Drift Check 

4/1/2009 13:53 21.1 4.7 0.2 Bias Drift Check 

4/1/2009 13:53 21.0 0.5 0.2 Bias Drift Check 

4/1/2009 13:53 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:54 21.0 0.1 0.2 Bias Drift Check 

Page 3 of 14 

ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Fumace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/200910:00 21.1 0.1 0.2 Analyzer Cal 

4/1/2009 10:01 21.0 0.1 0.0 Analyzer Cal 

4/1/2009 10:01 20.9 0.1 0.0 Analyzer Cal 

4/1/2009 10:01 9.1 0.1 0.0 Analyzer Cal 

4/1/2009 10:02 0.3 0.0 0.0 System Bias Check 

4/1/200910:02 0.1 0.0 0.3 System Bias Check 

4/1/2009 10:02 0.1 0.0 0.5 System Bias Check 

4/1/2009 10:03 0.1 0.0 0.6 System Bias Check 

4/1/2009 10:03 0.1 0.0 0.6 System Bias Check 

4/1/2009 10:03 0.7 0.0 0.6 System Bias Check 

4/1/2009 10:04 0.1 0.0 1.3 System Bias Check 

4/1/2009 10:04 0.1 0.0 2.4 System Bias Check 

4/1/2009 10:04 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:05 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:05 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:05 0.1 0.0 2.8 System Bias Check 

4/1/2009 10:06 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:06 0.1 0.0 2.9 System Bias Check 

4/1/2009 10:06 12.2 0.0 2.6 System Bias Check 

4/1/2009 10:07 20.6 0.3 1.1 In Stack 

4/1/2009 10:07 19.6 1.3 0.1 In Stack 

4/1/2009 10:07 19.6 1.3 0.4 In Stack 

4/1/2009 10:08 19.6 1.4 1.0 In Stack 

4/1/2009 10:08 19.6 1.3 1.5 In Stack 

4/1/2009 10:08 19.6 1.3 2.0 In Stack 

4/1/2009 10:09 19.6 1.4 2.4 In Stack 

4/1/2009 10:09 19.6 1.4 2.6 In Stack 

4/1/2009 10:09 19.6 1.4 2.8 In Stack 

4/1/2009 10:10 19.6 1.4 2.9 In Stack 

4/1/200910:10 19.6 1.4 2.9 In Stack 

4/1/200910:10 19.6 1.4 2.9 In Stack 

4/1/2009 10:11 19.6 1.4 2.8 In Stack 

4/1/200910:11 19.6 1.4 2.6 In Stack 

4/1/2009 10:11 19.6 1.4 2.6 In Stack 

4/1/200910:12 19.6 1.3 2.7 In Stack 

4/1/200910:12 19.6 1.3 2.7 In Stack 

4/1/200910:12 19.6 1.3 2.7 In Stack 

4/1/200910:13 19.6 1.4 2.7 In Stack 

4/1/2009 10: 13 19.6 1.4 2.7 In Stack 

4/1/200910:13 19.6 1.4 2.7 In Stack 

4/1/200910:14 19.6 1.4 2.7 In Stack 

4/1/200910:14 19.6 1.3 2.7 In Stack 

4/1/2009 10:14 19.6 1.3 2.6 In Stack 

4/1/200910:15 19.6 1.3 2.6 In Stack 

4/1/2009 10:15 19.6 1.3 2.6 In Stack 

4/1/200910:15 19.6 1.4 2.7 In Stack 

4/1/2009 10: 16 19.6 1.4 2.8 In Stack 

4/1/200910:16 19.6 1.4 2.8 In Stack 

4/1/200910:16 19.6 1.4 2.9 In Stack 

4/1/2009 10: 17 19.7 1.3 2.8 In Stack 

4/1/200910:17 19.7 1.4 2.8 In Stack 

4/1/2009 13:47 0.2 0.0 3.1 Bias Drift Check 

4/1/200913:47 0.1 0.0 2.6 Bias Drift Check 

4/1/200913:48 0.1 0.0 2.3 Bias Drift Check 

4/1/2009 13:48 0.1 0.0 2.0 Bias Drift Check 

4/1/2009 13:48 0.1 0.0 1.8 Bias Drift Check 

4/1/2009 13:49 0.1 0.0 1.6 Bias Drift Check 

4/1/2009 13:49 0.1 0.0 1.5 Bias Drift Check 

4/1/2009 13:49 0.1 0.0 2.2 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 3.6 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 4.2 Bias Drift Check 

4/1/2009 13:50 0.1 0.0 4.2 Bias Drift Check 

4/1/200913:51 0.1 0.0 4.2 Bias Drift Check 

4/1/2009 13:51 0.1 0.0 4.1 Bias Drift Check 

4/1/2009 13:51 1.8 0.5 4.1 Bias Drift Check 

4/1/2009 13:52 19.8 4.7 3.0 Bias Drift Check 

4/1/2009 13:52 21.1 4.9 0.9 Bias Drift Check 

4/1/2009 13:52 21.1 4.9 0.3 Bias Drift Check 

4/1/2009 13:53 21.1 4.7 0.2 Bias Drift Check 

4/1/2009 13:53 21.0 0.5 0.2 Bias Drift Check 

4/1/2009 13:53 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:54 21.0 0.1 0.2 Bias Drift Check 

Page 3 of 14 
ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02~vg S02_Avg 

TS Percent Percent PPM 

4/1/2009 13:54 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:54 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:56 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:56 16.4 0.1 0.2 Bias Drift Check 

4/1/2009 13:56 8.6 0.1 2.0 Bias Drift Check 

4/1/200913:57 6.4 0.0 4.2 Bias Drift Check 

4/1/2009 13:57 0.0 0.0 7.4 Bias Drift Check 

4/1/2009 13:57 0.0 0.0 12.4 Bias Drift Check 

4/1/2009 13:58 0.0 0.0 13.8 Bias Drift Check 

4/1/2009 13:58 0.0 0.0 13.9 Bias Drift Check 

4/1/2009 13:58 2.1 0.0 13.4 Bias Drift Check 

4/1/2009 13:59 6.9 0.0 8.6 Bias Drift Check 

4/1/2009 13:59 0.0 0.0 2.2 Bias Drift Check 

4/1/2009 13:59 0.0 0.0 0.6 Bias Drift Check 

4/1/200914:00 0.0 0.0 0.6 Bias Drift Check 

4/1/200914:00 0.0 0.0 0.6 Bias Drift Check 

4/1/2009 14:00 0.0 0.0 0.6 Bias Drift Check 

4/1/2009 14:01 0.0 0.0 0.6 Bias Drift Check 

4/1/200914:01 5.6 0.0 0.5 Bias Drift Check 

4/1/2009 14:01 21.0 0.1 0.3 

4/1/2009 14:02 21.0 0.1 0.1 

4/1/200914:02 21.0 0.1 0.1 

4/1/2009 14:02 21.0 0.1 0.1 

4/1/2009 14:03 21.0 0.1 0.1 

4/1/200914:03 20.0 1.1 0.2 

4/1/2009 14:03 19.5 1.5 0.5 

4/1/2009 14:04 19.5 1.5 0.9 In Stack 

4/1/200914:04 19.4 1.5 1.4 In Stack 

4/1/2009 14:04 19.4 1.5 1.8 In Stack 

4/1/2009 14:05 19.4 1.6 2.1 In Stack 

4/1/200914:05 19.5 1.5 2.4 In Stack 

4/1/2009 14:05 19.5 1.5 2.6 In Stack 

4/1/200914:06 19.5 1.5 2.7 In Stack 

4/1/2009 14:06 19.5 1.5 2.8 In Stack 

4/1/200914:06 19.5 1.5 2.8 In Stack 

4/1/200914:07 19.5 1.5 2.9 In Stack 

4/1/2009 14:07 19.5 1.5 2.9 In Stack 

4/1/2009 14:07 19.5 1.5 2.9 In Stack 

4/1/200914:08 19.5 1.5 3.0 In Stack 

4/1/2009 14:08 19.5 1.5 3.1 In Stack 

4/1/2009 14:08 19.5 1.5 3.1 In Stack 

4/1/200914:09 19.5 1.5 3.2 In Stack 

4/1/2009 14:09 19.4 1.6 3.2 In Stack 

4/1/200914:09 19.4 1.5 3.2 In Stack 

4/1/200914:10 19.5 1.5 3.2 Run 1 

4/1/200914:10 19.4 1.6 3.1 Run 1 

4/1/200914:10 19.5 1.5 3.1 Run 1 

4/1/200914:11 19.5 1.5 3.2 Run 1 

4/1/2009 14:11 19.5 1.5 3.4 Run 1 

4/1/200914:11 19.5 1.5 3.4 Run 1 

4/1/2009 14:12 19.5 1.5 3.5 Run 1 

4/1/200914:12 19.5 1.5 3.5 Run 1 

4/1/200914:12 19.5 1.5 3.5 Run 1 

4/1/2009 14:13 19.5 1.5 3.4 Run 1 

4/1/200914:13 19.5 1.5 3.4 Run 1 

4/1/200914:13 19.5 1.5 3.5 Run 1 

4/1/200914:14 19.5 1.5 3.4 Run 1 

4/1/2009 14:14 19.4 1.6 3.4 Run 1 

4/1/200914:14 19.5 1.5 3.4 Run 1 

4/1/200914:15 19.5 1.5 3.3 Run 1 

4/1/200914:15 19.5 1.5 3.3 Run 1 

4/1/200914:15 19.5 1.5 3.4 Run 1 

4/1/200914:16 19.5 1.5 3.3 Run 1 

4/1/200914:16 19.5 1.5 3.3 Run 1 

4/1/200914:16 19.5 1.5 3.2 Run 1 

4/1/200914:17 19.4 1.6 3.2 Run 1 

4/1/200914:17 19.5 1.5 3.2 Run 1 

4/1/2009 14:17 19.5 1.5 3.2 Run 1 

4/1/200914:18 19.5 1.6 3.2 Run 1 

4/1/200914:18 19.5 1.6 3.1 Run 1 

Page 4 of 14 

ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02~vg S02_Avg 

TS Percent Percent PPM 

4/1/2009 13:54 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:54 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:55 21.0 0.1 0.2 Bias Drift Check 

4/1/200913:56 21.0 0.1 0.2 Bias Drift Check 

4/1/2009 13:56 16.4 0.1 0.2 Bias Drift Check 

4/1/2009 13:56 8.6 0.1 2.0 Bias Drift Check 

4/1/200913:57 6.4 0.0 4.2 Bias Drift Check 

4/1/2009 13:57 0.0 0.0 7.4 Bias Drift Check 

4/1/2009 13:57 0.0 0.0 12.4 Bias Drift Check 

4/1/2009 13:58 0.0 0.0 13.8 Bias Drift Check 

4/1/2009 13:58 0.0 0.0 13.9 Bias Drift Check 

4/1/2009 13:58 2.1 0.0 13.4 Bias Drift Check 

4/1/2009 13:59 6.9 0.0 8.6 Bias Drift Check 

4/1/2009 13:59 0.0 0.0 2.2 Bias Drift Check 

4/1/2009 13:59 0.0 0.0 0.6 Bias Drift Check 

4/1/200914:00 0.0 0.0 0.6 Bias Drift Check 

4/1/200914:00 0.0 0.0 0.6 Bias Drift Check 

4/1/2009 14:00 0.0 0.0 0.6 Bias Drift Check 

4/1/2009 14:01 0.0 0.0 0.6 Bias Drift Check 

4/1/200914:01 5.6 0.0 0.5 Bias Drift Check 

4/1/2009 14:01 21.0 0.1 0.3 

4/1/2009 14:02 21.0 0.1 0.1 

4/1/200914:02 21.0 0.1 0.1 

4/1/2009 14:02 21.0 0.1 0.1 

4/1/2009 14:03 21.0 0.1 0.1 

4/1/200914:03 20.0 1.1 0.2 

4/1/2009 14:03 19.5 1.5 0.5 

4/1/2009 14:04 19.5 1.5 0.9 In Stack 

4/1/200914:04 19.4 1.5 1.4 In Stack 

4/1/2009 14:04 19.4 1.5 1.8 In Stack 

4/1/2009 14:05 19.4 1.6 2.1 In Stack 

4/1/200914:05 19.5 1.5 2.4 In Stack 

4/1/2009 14:05 19.5 1.5 2.6 In Stack 

4/1/200914:06 19.5 1.5 2.7 In Stack 

4/1/2009 14:06 19.5 1.5 2.8 In Stack 

4/1/200914:06 19.5 1.5 2.8 In Stack 

4/1/200914:07 19.5 1.5 2.9 In Stack 

4/1/2009 14:07 19.5 1.5 2.9 In Stack 

4/1/2009 14:07 19.5 1.5 2.9 In Stack 

4/1/200914:08 19.5 1.5 3.0 In Stack 

4/1/2009 14:08 19.5 1.5 3.1 In Stack 

4/1/2009 14:08 19.5 1.5 3.1 In Stack 

4/1/200914:09 19.5 1.5 3.2 In Stack 

4/1/2009 14:09 19.4 1.6 3.2 In Stack 

4/1/200914:09 19.4 1.5 3.2 In Stack 

4/1/200914:10 19.5 1.5 3.2 Run 1 

4/1/200914:10 19.4 1.6 3.1 Run 1 

4/1/200914:10 19.5 1.5 3.1 Run 1 

4/1/200914:11 19.5 1.5 3.2 Run 1 

4/1/2009 14:11 19.5 1.5 3.4 Run 1 

4/1/200914:11 19.5 1.5 3.4 Run 1 

4/1/2009 14:12 19.5 1.5 3.5 Run 1 

4/1/200914:12 19.5 1.5 3.5 Run 1 

4/1/200914:12 19.5 1.5 3.5 Run 1 

4/1/2009 14:13 19.5 1.5 3.4 Run 1 

4/1/200914:13 19.5 1.5 3.4 Run 1 

4/1/200914:13 19.5 1.5 3.5 Run 1 

4/1/200914:14 19.5 1.5 3.4 Run 1 

4/1/2009 14:14 19.4 1.6 3.4 Run 1 

4/1/200914:14 19.5 1.5 3.4 Run 1 

4/1/200914:15 19.5 1.5 3.3 Run 1 

4/1/200914:15 19.5 1.5 3.3 Run 1 

4/1/200914:15 19.5 1.5 3.4 Run 1 

4/1/200914:16 19.5 1.5 3.3 Run 1 

4/1/200914:16 19.5 1.5 3.3 Run 1 

4/1/200914:16 19.5 1.5 3.2 Run 1 

4/1/200914:17 19.4 1.6 3.2 Run 1 

4/1/200914:17 19.5 1.5 3.2 Run 1 

4/1/2009 14:17 19.5 1.5 3.2 Run 1 

4/1/200914:18 19.5 1.6 3.2 Run 1 

4/1/200914:18 19.5 1.6 3.1 Run 1 

Page 4 of 14 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Fumace Stack B (SV015) 

TIMESTAMP 02~vg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 14: 18 19.5 1.6 3.1 Run 1 

4/1/200914:19 19.5 1.6 3.1 Run 1 

4/1/2009 14:19 19.5 1.6 3.2 Run 1 

4/1/200914:19 19.4 1.6 3.2 Run 1 

4/1/200914:20 19.5 1.6 3.2 Run 1 

4/1/2009 14:20 19.5 1.5 3.2 Run 1 

4/1/2009 14:20 19.5 1.5 3.2 Run 1 

4/1/200914:21 19.5 1.5 3.2 Run 1 

4/1/200914:21 19.5 1.5 3.3 Run 1 

4/1/2009 14:21 19.5 1.5 3.3 Run 1 

4/1/200914:22 19.5 1.5 3.2 Run 1 

4/1/200914:22 19.4 1.6 3.2 Run 1 

4/1/200914:22 19.4 1.6 3.2 Run 1 

4/1/200914:23 19.5 1.6 3.2 Run 1 

4/1/2009 14:23 19.5 1.6 3.2 Run 1 

4/1/2009 14 :23 19.4 1.6 3.2 Run 1 

4/1/2009 14:24 19.4 1.6 3.1 Run 1 

4/1/2009 14:24 19.4 1.6 3.1 Run 1 

4/1/200914:24 19.4 1.6 3.1 Run 1 

4/1/2009 14:25 19.4 1.6 3.1 Run 1 

4/1/2009 14:25 19.4 1.6 3.1 Run 1 

4/1/2009 14:25 19.4 1.6 3.0 Run 1 

4/1/200914:26 19.4 1.6 3.0 Run 1 

4/1/2009 14:26 19.4 1.6 3.0 Run 1 

4/1/200914:26 19.4 1.6 3.0 Run 1 

4/1/2009 14:27 19.4 1.7 2.9 Run 1 

4/1/200914:27 19.4 1.7 2.9 Run 1 

4/1/2009 14:27 19.4 1.7 2.9 Run 1 

4/1/2009 14:28 19.4 1.6 2.8 Run 1 

4/1/200914:28 19.4 1.6 2.8 Run 1 

4/1/2009 14:28 19.4 1.6 2.8 Run 1 

4/1/200914:29 19.4 1.6 2.8 Run 1 

4/1/200914:29 19.4 1.6 2.8 Run 1 

4/1/2009 14:29 19.4 1.6 2.8 Run 1 

4/1/2009 14:30 19.4 1.6 2.8 Run 1 

4/1/200914:30 19.4 1.6 2.9 Run 1 

4/1/2009 14:30 19.4 1.6 3.0 Run 1 

4/1/200914:31 19.5 1.5 3.0 Run 1 

4/1/200914:31 19.5 1.5 3.1 Run 1 

4/1/200914:31 19.5 1.5 3.2 Run 1 

4/1/2009 14:32 19.5 1.5 3.3 Run 1 

4/1/200914:32 19.5 1.5 3.3 Run 1 

4/1/2009 14:32 19.5 1.5 3.4 Run 1 

4/1/200914:33 19.5 1.5 3.5 Run 1 

4/1/2009 14:33 19.5 1.5 3.6 Run 1 

4/1/2009 14:33 19.5 1.5 3.6 Run 1 

4/1/200914:34 19.5 1.5 3.6 Run 1 

4/1/200914:34 19.4 1.6 3.6 Run 1 

4/1/200914:34 19.4 1.6 3.6 Run 1 

4/1/200914:35 19.4 1.6 3.6 Run 1 

4/1/200914:35 19.5 1.6 3.6 Run 1 

4/1/2009 14:35 19.5 1.6 3.5 Run 1 

4/1/2009 14:36 19.5 1.6 3.5 Run 1 

4/1/200914:36 19.4 1.6 3.4 Run 1 

4/1/2009 14:36 19.4 1.6 3.4 Run 1 

4/1/2009 14:37 19.4 1.6 3.5 Run 1 

4/1/200914:37 19.4 1.6 3.5 Run 1 

4/1/200914:37 19.4 1.6 3.4 Run 1 

4/1/2009 14:38 19.5 1.6 3.3 Run 1 

4/1/200914:38 19.4 1.6 3.3 Run 1 

4/1/200914:38 19.4 1.6 3.2 Run 1 

4/1/2009 14:39 19.4 1.6 3.2 Run 1 

4/1/200914:39 19.4 1.6 3.1 Run 1 

4/1/200914:39 19.4 1.6 3.1 Run 1 

4/1/200914:40 19.5 1.6 3.0 Run 1 

4/1/200914:40 19.4 1.6 3.0 Run 1 

4/1/2009 14:40 19.4 1.6 3.0 Run 1 

4/1/2009 14:41 19.5 1.6 3.0 Run 1 

4/1/200914:41 19.4 1.6 3.1 Run 1 

4/1/200914:41 19.5 1.6 3.2 Run 1 

4/1/2009 14:42 19.5 1.6 3.2 Run 1 

4/1/200914:42 19.4 1.6 3.2 Run 1 

4/1/200914:42 19.5 1.6 3.3 Run 1 

Page 5 of 14 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Fumace Stack B (SV015) 

TIMESTAMP 02~vg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 14: 18 19.5 1.6 3.1 Run 1 

4/1/200914:19 19.5 1.6 3.1 Run 1 

4/1/2009 14:19 19.5 1.6 3.2 Run 1 

4/1/200914:19 19.4 1.6 3.2 Run 1 

4/1/200914:20 19.5 1.6 3.2 Run 1 

4/1/2009 14:20 19.5 1.5 3.2 Run 1 

4/1/2009 14:20 19.5 1.5 3.2 Run 1 

4/1/200914:21 19.5 1.5 3.2 Run 1 

4/1/200914:21 19.5 1.5 3.3 Run 1 

4/1/2009 14:21 19.5 1.5 3.3 Run 1 

4/1/200914:22 19.5 1.5 3.2 Run 1 

4/1/200914:22 19.4 1.6 3.2 Run 1 

4/1/200914:22 19.4 1.6 3.2 Run 1 

4/1/200914:23 19.5 1.6 3.2 Run 1 

4/1/2009 14:23 19.5 1.6 3.2 Run 1 

4/1/2009 14 :23 19.4 1.6 3.2 Run 1 

4/1/2009 14:24 19.4 1.6 3.1 Run 1 

4/1/2009 14:24 19.4 1.6 3.1 Run 1 

4/1/200914:24 19.4 1.6 3.1 Run 1 

4/1/2009 14:25 19.4 1.6 3.1 Run 1 

4/1/2009 14:25 19.4 1.6 3.1 Run 1 

4/1/2009 14:25 19.4 1.6 3.0 Run 1 

4/1/200914:26 19.4 1.6 3.0 Run 1 

4/1/2009 14:26 19.4 1.6 3.0 Run 1 

4/1/200914:26 19.4 1.6 3.0 Run 1 

4/1/2009 14:27 19.4 1.7 2.9 Run 1 

4/1/200914:27 19.4 1.7 2.9 Run 1 

4/1/2009 14:27 19.4 1.7 2.9 Run 1 

4/1/2009 14:28 19.4 1.6 2.8 Run 1 

4/1/200914:28 19.4 1.6 2.8 Run 1 

4/1/2009 14:28 19.4 1.6 2.8 Run 1 

4/1/200914:29 19.4 1.6 2.8 Run 1 

4/1/200914:29 19.4 1.6 2.8 Run 1 

4/1/2009 14:29 19.4 1.6 2.8 Run 1 

4/1/2009 14:30 19.4 1.6 2.8 Run 1 

4/1/200914:30 19.4 1.6 2.9 Run 1 

4/1/2009 14:30 19.4 1.6 3.0 Run 1 

4/1/200914:31 19.5 1.5 3.0 Run 1 

4/1/200914:31 19.5 1.5 3.1 Run 1 

4/1/200914:31 19.5 1.5 3.2 Run 1 

4/1/2009 14:32 19.5 1.5 3.3 Run 1 

4/1/200914:32 19.5 1.5 3.3 Run 1 

4/1/2009 14:32 19.5 1.5 3.4 Run 1 

4/1/200914:33 19.5 1.5 3.5 Run 1 

4/1/2009 14:33 19.5 1.5 3.6 Run 1 

4/1/2009 14:33 19.5 1.5 3.6 Run 1 

4/1/200914:34 19.5 1.5 3.6 Run 1 

4/1/200914:34 19.4 1.6 3.6 Run 1 

4/1/200914:34 19.4 1.6 3.6 Run 1 

4/1/200914:35 19.4 1.6 3.6 Run 1 

4/1/200914:35 19.5 1.6 3.6 Run 1 

4/1/2009 14:35 19.5 1.6 3.5 Run 1 

4/1/2009 14:36 19.5 1.6 3.5 Run 1 

4/1/200914:36 19.4 1.6 3.4 Run 1 

4/1/2009 14:36 19.4 1.6 3.4 Run 1 

4/1/2009 14:37 19.4 1.6 3.5 Run 1 

4/1/200914:37 19.4 1.6 3.5 Run 1 

4/1/200914:37 19.4 1.6 3.4 Run 1 

4/1/2009 14:38 19.5 1.6 3.3 Run 1 

4/1/200914:38 19.4 1.6 3.3 Run 1 

4/1/200914:38 19.4 1.6 3.2 Run 1 

4/1/2009 14:39 19.4 1.6 3.2 Run 1 

4/1/200914:39 19.4 1.6 3.1 Run 1 

4/1/200914:39 19.4 1.6 3.1 Run 1 

4/1/200914:40 19.5 1.6 3.0 Run 1 

4/1/200914:40 19.4 1.6 3.0 Run 1 

4/1/2009 14:40 19.4 1.6 3.0 Run 1 

4/1/2009 14:41 19.5 1.6 3.0 Run 1 

4/1/200914:41 19.4 1.6 3.1 Run 1 

4/1/200914:41 19.5 1.6 3.2 Run 1 

4/1/2009 14:42 19.5 1.6 3.2 Run 1 

4/1/200914:42 19.4 1.6 3.2 Run 1 

4/1/200914:42 19.5 1.6 3.3 Run 1 

Page 5 of 14 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02~vg S02_Avg 

TS Percent Percent PPM 

4/1/200914:43 19.5 1.6 3.4 Run 1 

4/1/2009 14:43 19.5 1.6 3.3 Run 1 

4/1/2009 14:43 19.4 1.6 3.2 Run 1 

4/1/200914:44 19.4 1.6 3.2 Run 1 

4/1/2009 14:44 19.4 1.6 3.1 Run 1 

4/1/2009 14:44 19.4 1.6 3.1 Run 1 

4/1/200914:45 19.4 1.6 3.1 Run 1 

4/1/2009 14:45 19.4 1.6 3.1 Run 1 

4/1/2009 14:45 19.4 1.6 3.1 Run 1 

4/1/200914:46 19.4 1.6 3.0 Run 1 

4/1/2009 14:46 19.4 1.6 3.0 Run 1 

4/1/200914:46 19.5 1.6 3.0 Run 1 

4/1/200914:47 19.5 1.5 3.1 Run 1 

4/1/2009 14:47 19.5 1.5 3.1 Run 1 

4/1/2009 14:47 19.5 1.5 3.2 Run 1 

4/1/2009 14:48 19.5 1.5 3.3 Run 1 

4/1/2009 14:48 19.5 1.5 3.4 Run 1 

4/1/200914:48 19.5 1.5 3.4 Run 1 

4/1/200914:49 19.5 1.5 3.5 Run 1 

4/1/200914:49 19.5 1.5 3.6 Run 1 

4/1/200914:49 19.5 1.5 3.7 Run 1 

4/1/200914:50 19.5 1.5 3.9 Run 1 

4/1/2009 14: 50 19.5 1.5 3.9 Run 1 

4/1/200914:50 19.5 1.5 4.1 Run 1 

4/1/200914:51 19.5 1.5 4.1 Run 1 

4/1/200914:51 19.5 1.5 4.2 Run 1 

4/1/200914:51 19.5 1.5 4.2 Run 1 

4/1/200914:52 19.5 1.6 4.1 Run 1 

4/1/200914:52 19.5 1.6 4.1 Run 1 

4/1/2009 14:52 19.5 1.6 4.0 Run 1 

4/1/200914:53 19.4 1.6 3.9 Run 1 

4/1/200914:53 19.4 1.6 3.8 Run 1 

4/1/2009 14:53 19.4 1.6 3.7 Run 1 

4/1/200914:54 19.4 1.6 3.6 Run 1 

4/1/200914:54 19.4 1.6 3.5 Run 1 

4/1/2009 14:54 19.4 1.6 3.4 Run 1 

4/1/2009 14:55 19.4 1.6 3.4 Run 1 

4/1/2009 14:55 19.4 1.6 3.3 Run 1 

4/1/2009 14:55 19.4 1.6 3.2 Run 1 

4/1/2009 14:56 19.4 1.6 3.2 Run 1 

4/1/200914:56 19.4 1.6 3.2 Run 1 

4/1/200914:56 19.4 1.6 3.1 Run 1 

4/1/2009 14:57 19.4 1.6 3.1 Run 1 

4/1/2009 14:57 19.4 1.6 3.0 Run 1 

4/1/2009 14:57 19.4 1.6 3.0 Run 1 

4/1/200914:58 19.5 1.6 3.0 Run 1 

4/1/2009 14:58 19.5 1.6 3.0 Run 1 

4/1/2009 14:58 19.5 1.6 3.0 Run 1 

4/1/2009 14:59 19.5 1.6 3.0 Run 1 

4/1/2009 14:59 19.5 1.6 3.1 Run 1 

4/1/2009 14:59 19.5 1.6 3.1 Run 1 

4/1/2009 15:00 19.5 1.6 3.0 Run 1 

4/1/2009 15:00 19.5 1.5 3.1 Run 1 

4/1/2009 15:00 19.5 1.5 3.2 Run 1 

4/1/2009 15:01 19.5 1.5 3.3 Run 1 

4/1/2009 15:01 19.5 1.6 3.3 Run 1 

4/1/2009 15:01 19.5 1.6 3.4 Run 1 

4/1/2009 15:02 19.5 1.6 3.4 Run 1 

4/1/2009 15:02 19.4 1.6 3.4 Run 1 

4/1/2009 15:02 19.4 1.6 3.4 Run 1 

4/1/200915:03 19.5 1.6 3.4 Run 1 

4/1/2009 15:03 19.5 1.6 3.3 Run 1 

4/1/2009 15:03 19.4 1.6 3.3 Run 1 

4/1/2009 15:04 19.4 1.6 3.3 Run 1 

4/1/2009 15:04 19.4 1.6 3.2 Run 1 

4/1/2009 15:04 19.4 1.6 3.2 Run 1 

4/1/2009 15:05 19.4 1.6 3.2 Run 1 

4/1/2009 15:05 19.4 1.6 3.2 Run 1 

4/1/2009 15:05 19.4 1.6 3.1 Run 1 

4/1/2009 15:06 19.4 1.6 3.1 Run 1 

4/1/2009 15:06 19.4 1.6 3.2 Run 1 

4/1/2009 15:06 19.4 1.6 3.2 Run 1 

4/1/2009 15:07 19.4 1.6 3.2 Run 1 

Page 6 of 14 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02~vg S02_Avg 

TS Percent Percent PPM 

4/1/200914:43 19.5 1.6 3.4 Run 1 

4/1/2009 14:43 19.5 1.6 3.3 Run 1 

4/1/2009 14:43 19.4 1.6 3.2 Run 1 

4/1/200914:44 19.4 1.6 3.2 Run 1 

4/1/2009 14:44 19.4 1.6 3.1 Run 1 

4/1/2009 14:44 19.4 1.6 3.1 Run 1 

4/1/200914:45 19.4 1.6 3.1 Run 1 

4/1/2009 14:45 19.4 1.6 3.1 Run 1 

4/1/2009 14:45 19.4 1.6 3.1 Run 1 

4/1/200914:46 19.4 1.6 3.0 Run 1 

4/1/2009 14:46 19.4 1.6 3.0 Run 1 

4/1/200914:46 19.5 1.6 3.0 Run 1 

4/1/200914:47 19.5 1.5 3.1 Run 1 

4/1/2009 14:47 19.5 1.5 3.1 Run 1 

4/1/2009 14:47 19.5 1.5 3.2 Run 1 

4/1/2009 14:48 19.5 1.5 3.3 Run 1 

4/1/2009 14:48 19.5 1.5 3.4 Run 1 

4/1/200914:48 19.5 1.5 3.4 Run 1 

4/1/200914:49 19.5 1.5 3.5 Run 1 

4/1/200914:49 19.5 1.5 3.6 Run 1 

4/1/200914:49 19.5 1.5 3.7 Run 1 

4/1/200914:50 19.5 1.5 3.9 Run 1 

4/1/2009 14: 50 19.5 1.5 3.9 Run 1 

4/1/200914:50 19.5 1.5 4.1 Run 1 

4/1/200914:51 19.5 1.5 4.1 Run 1 

4/1/200914:51 19.5 1.5 4.2 Run 1 

4/1/200914:51 19.5 1.5 4.2 Run 1 

4/1/200914:52 19.5 1.6 4.1 Run 1 

4/1/200914:52 19.5 1.6 4.1 Run 1 

4/1/2009 14:52 19.5 1.6 4.0 Run 1 

4/1/200914:53 19.4 1.6 3.9 Run 1 

4/1/200914:53 19.4 1.6 3.8 Run 1 

4/1/2009 14:53 19.4 1.6 3.7 Run 1 

4/1/200914:54 19.4 1.6 3.6 Run 1 

4/1/200914:54 19.4 1.6 3.5 Run 1 

4/1/2009 14:54 19.4 1.6 3.4 Run 1 

4/1/2009 14:55 19.4 1.6 3.4 Run 1 

4/1/2009 14:55 19.4 1.6 3.3 Run 1 

4/1/2009 14:55 19.4 1.6 3.2 Run 1 

4/1/2009 14:56 19.4 1.6 3.2 Run 1 

4/1/200914:56 19.4 1.6 3.2 Run 1 

4/1/200914:56 19.4 1.6 3.1 Run 1 

4/1/2009 14:57 19.4 1.6 3.1 Run 1 

4/1/2009 14:57 19.4 1.6 3.0 Run 1 

4/1/2009 14:57 19.4 1.6 3.0 Run 1 

4/1/200914:58 19.5 1.6 3.0 Run 1 

4/1/2009 14:58 19.5 1.6 3.0 Run 1 

4/1/2009 14:58 19.5 1.6 3.0 Run 1 

4/1/2009 14:59 19.5 1.6 3.0 Run 1 

4/1/2009 14:59 19.5 1.6 3.1 Run 1 

4/1/2009 14:59 19.5 1.6 3.1 Run 1 

4/1/2009 15:00 19.5 1.6 3.0 Run 1 

4/1/2009 15:00 19.5 1.5 3.1 Run 1 

4/1/2009 15:00 19.5 1.5 3.2 Run 1 

4/1/2009 15:01 19.5 1.5 3.3 Run 1 

4/1/2009 15:01 19.5 1.6 3.3 Run 1 

4/1/2009 15:01 19.5 1.6 3.4 Run 1 

4/1/2009 15:02 19.5 1.6 3.4 Run 1 

4/1/2009 15:02 19.4 1.6 3.4 Run 1 

4/1/2009 15:02 19.4 1.6 3.4 Run 1 

4/1/200915:03 19.5 1.6 3.4 Run 1 

4/1/2009 15:03 19.5 1.6 3.3 Run 1 

4/1/2009 15:03 19.4 1.6 3.3 Run 1 

4/1/2009 15:04 19.4 1.6 3.3 Run 1 

4/1/2009 15:04 19.4 1.6 3.2 Run 1 

4/1/2009 15:04 19.4 1.6 3.2 Run 1 

4/1/2009 15:05 19.4 1.6 3.2 Run 1 

4/1/2009 15:05 19.4 1.6 3.2 Run 1 

4/1/2009 15:05 19.4 1.6 3.1 Run 1 

4/1/2009 15:06 19.4 1.6 3.1 Run 1 

4/1/2009 15:06 19.4 1.6 3.2 Run 1 

4/1/2009 15:06 19.4 1.6 3.2 Run 1 

4/1/2009 15:07 19.4 1.6 3.2 Run 1 

Page 6 of 14 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/200915:07 19.4 1.6 3.2 Run 1 

4/1/2009 15:07 19.4 1.6 3.2 Run 1 

4/1/2009 15:08 19.4 1.6 3.2 Run 1 

4/1/2009 15:08 19.4 1.6 3.2 Run 1 

4/1/2009 15:08 19.4 1.6 3.2 Run 1 

4/1/2009 15:09 19.4 1.6 3.2 Run 1 

4/1/2009 15:09 19.4 1.6 3.2 Run 1 

4/1/2009 15:09 19.4 1.6 3.2 Run 1 

4/1/2009 15:10 19.4 1.6 3.2 

4/1/200915:10 19.4 1.6 3.1 

4/1/2009 15:10 19.4 1.6 3.2 

4/1/2009 15: 11 19.4 1.6 3.2 

4/1/200915:11 19.4 1.6 3.2 

4/1/2009 15:11 19.7 2.6 3.2 

4/1/200915:12 2.3 0.4 2.9 

4/1/200915:12 0.2 0.1 2.5 Bias Drift Check 

4/1/200915:12 0.1 0.1 2.3 Bias Drift Check 

4/1/200915:13 0.1 0.0 2.1 Bias Drift Check 

4/1/200915:13 0.1 0.0 1.9 Bias Drift Check 

4/1/200915:13 0.1 0.0 1.8 Bias Drift Check 

4/1/200915:14 0.1 0.0 1.8 Bias Drift Check 

4/1/200915:14 0.1 0.0 2.7 Bias Drift Check 

4/1/200915:14 0.1 0.0 4.0 Bias Drift Check 

4/1/2009 15:15 0.1 0.0 4.3 Bias Drift Check 

4/1/200915:15 0.1 0.0 4.3 Bias Drift Check 

4/1/2009 15:15 0.1 0.0 4.3 Bias Drift Check 

4/1/200915:16 0.1 0.0 4.3 Bias Drift Check 

4/1/200915:16 0.1 0.0 4.2 Bias Drift Check 

4/1/200915:16 0.1 0.0 4.2 Bias Drift Check 

4/1/200915:17 4.8 1.2 4.1 Bias Drift Check 

4/1/2009 15:17 20.7 4.8 2.6 Bias Drift Check 

4/1/200915:17 21.1 4.9 0.7 Bias Drift Check 

4/1/200915:18 21.1 4.9 0.3 Bias Drift Check 

4/1/200915:18 21.1 4.9 0.2 Bias Drift Check 

4/1/200915:18 21.1 4.9 0.2 Bias Drift Check 

4/1/2009 15:19 20.6 3.8 0.3 In Stack 

4/1/200915:19 19.4 1.6 0.4 In Stack 

4/1/200915:19 19.4 1.6 0.9 In Stack 

4/1/200915:20 19.4 1.6 1.4 In Stack 

4/1/2009 15:20 19.4 1.5 1.8 In Stack 

4/1/2009 15:20 19.4 1.5 2.2 In Stack 

4/1/200915:21 19.4 1.5 2.5 In Stack 

4/1/2009 15:21 19.4 1.6 2.7 In Stack 

4/1/200915:21 19.4 1.6 2.8 In Stack 

4/1/2009 15:22 19.4 1.6 2.9 In Stack 

4/1/2009 15:22 19.4 1.6 2.9 In Stack 

4/1/2009 15:22 19.4 1.5 3.0 In Stack 

4/1/2009 15:23 19.4 1.5 3.1 In Stack 

4/1/2009 15:23 19.4 1.6 3.1 In Stack 

4/1/2009 15:23 19.4 1.5 3.2 In Stack 

4/1/2009 15:24 19.4 1.5 3.3 In Stack 

4/1/2009 15:24 19.4 1.6 3.4 In Stack 

4/1/2009 15:24 19.4 1.5 3.4 In Stack 

4/1/2009 15:25 19.4 1.5 3.4 In Stack 

4/1/2009 15:25 19.4 1.5 3.4 In Stack 

4/1/2009 15:25 19.4 1.5 3.4 In Stack 

4/1/2009 15:26 19.4 1.6 3.4 In Stack 

4/1/2009 15:26 19.4 1.6 3.4 In Stack 

4/1/2009 15:26 19.4 1.6 3.4 In Stack 

4/1/2009 15:27 19.4 1.5 3.4 In Stack 

4/1/2009 15:27 19.4 1.6 3.4 In Stack 

4/1/2009 15:27 19.4 1.6 3.3 In Stack 

4/1/200915:28 19.4 1.5 3.2 In Stack 

4/1/2009 15:28 19.5 1.5 3.2 In Stack 

4/1/2009 15:28 19.5 1.5 3.2 In Stack 

4/1/2009 15:29 19.4 1.5 3.1 In Stack 

4/1/2009 15:29 19.4 1.5 3.1 In Stack 

4/1/2009 15:29 19.5 1.5 3.2 In Stack 

4/1/2009 15:30 19.5 1.5 3.3 Run 2 

4/1/200915:30 19.5 1.5 3.3 Run 2 

4/1/2009 15:30 19.5 1.5 3.3 Run 2 

4/1/2009 15:31 19.4 1.5 3.3 Run 2 

4/1/200915:31 19.5 1.5 3.4 Run 2 

Page 7 of 14 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/200915:07 19.4 1.6 3.2 Run 1 

4/1/2009 15:07 19.4 1.6 3.2 Run 1 

4/1/2009 15:08 19.4 1.6 3.2 Run 1 

4/1/2009 15:08 19.4 1.6 3.2 Run 1 

4/1/2009 15:08 19.4 1.6 3.2 Run 1 

4/1/2009 15:09 19.4 1.6 3.2 Run 1 

4/1/2009 15:09 19.4 1.6 3.2 Run 1 

4/1/2009 15:09 19.4 1.6 3.2 Run 1 

4/1/2009 15:10 19.4 1.6 3.2 

4/1/200915:10 19.4 1.6 3.1 

4/1/2009 15:10 19.4 1.6 3.2 

4/1/2009 15: 11 19.4 1.6 3.2 

4/1/200915:11 19.4 1.6 3.2 

4/1/2009 15:11 19.7 2.6 3.2 

4/1/200915:12 2.3 0.4 2.9 

4/1/200915:12 0.2 0.1 2.5 Bias Drift Check 

4/1/200915:12 0.1 0.1 2.3 Bias Drift Check 

4/1/200915:13 0.1 0.0 2.1 Bias Drift Check 

4/1/200915:13 0.1 0.0 1.9 Bias Drift Check 

4/1/200915:13 0.1 0.0 1.8 Bias Drift Check 

4/1/200915:14 0.1 0.0 1.8 Bias Drift Check 

4/1/200915:14 0.1 0.0 2.7 Bias Drift Check 

4/1/200915:14 0.1 0.0 4.0 Bias Drift Check 

4/1/2009 15:15 0.1 0.0 4.3 Bias Drift Check 

4/1/200915:15 0.1 0.0 4.3 Bias Drift Check 

4/1/2009 15:15 0.1 0.0 4.3 Bias Drift Check 

4/1/200915:16 0.1 0.0 4.3 Bias Drift Check 

4/1/200915:16 0.1 0.0 4.2 Bias Drift Check 

4/1/200915:16 0.1 0.0 4.2 Bias Drift Check 

4/1/200915:17 4.8 1.2 4.1 Bias Drift Check 

4/1/2009 15:17 20.7 4.8 2.6 Bias Drift Check 

4/1/200915:17 21.1 4.9 0.7 Bias Drift Check 

4/1/200915:18 21.1 4.9 0.3 Bias Drift Check 

4/1/200915:18 21.1 4.9 0.2 Bias Drift Check 

4/1/200915:18 21.1 4.9 0.2 Bias Drift Check 

4/1/2009 15:19 20.6 3.8 0.3 In Stack 

4/1/200915:19 19.4 1.6 0.4 In Stack 

4/1/200915:19 19.4 1.6 0.9 In Stack 

4/1/200915:20 19.4 1.6 1.4 In Stack 

4/1/2009 15:20 19.4 1.5 1.8 In Stack 

4/1/2009 15:20 19.4 1.5 2.2 In Stack 

4/1/200915:21 19.4 1.5 2.5 In Stack 

4/1/2009 15:21 19.4 1.6 2.7 In Stack 

4/1/200915:21 19.4 1.6 2.8 In Stack 

4/1/2009 15:22 19.4 1.6 2.9 In Stack 

4/1/2009 15:22 19.4 1.6 2.9 In Stack 

4/1/2009 15:22 19.4 1.5 3.0 In Stack 

4/1/2009 15:23 19.4 1.5 3.1 In Stack 

4/1/2009 15:23 19.4 1.6 3.1 In Stack 

4/1/2009 15:23 19.4 1.5 3.2 In Stack 

4/1/2009 15:24 19.4 1.5 3.3 In Stack 

4/1/2009 15:24 19.4 1.6 3.4 In Stack 

4/1/2009 15:24 19.4 1.5 3.4 In Stack 

4/1/2009 15:25 19.4 1.5 3.4 In Stack 

4/1/2009 15:25 19.4 1.5 3.4 In Stack 

4/1/2009 15:25 19.4 1.5 3.4 In Stack 

4/1/2009 15:26 19.4 1.6 3.4 In Stack 

4/1/2009 15:26 19.4 1.6 3.4 In Stack 

4/1/2009 15:26 19.4 1.6 3.4 In Stack 

4/1/2009 15:27 19.4 1.5 3.4 In Stack 

4/1/2009 15:27 19.4 1.6 3.4 In Stack 

4/1/2009 15:27 19.4 1.6 3.3 In Stack 

4/1/200915:28 19.4 1.5 3.2 In Stack 

4/1/2009 15:28 19.5 1.5 3.2 In Stack 

4/1/2009 15:28 19.5 1.5 3.2 In Stack 

4/1/2009 15:29 19.4 1.5 3.1 In Stack 

4/1/2009 15:29 19.4 1.5 3.1 In Stack 

4/1/2009 15:29 19.5 1.5 3.2 In Stack 

4/1/2009 15:30 19.5 1.5 3.3 Run 2 

4/1/200915:30 19.5 1.5 3.3 Run 2 

4/1/2009 15:30 19.5 1.5 3.3 Run 2 

4/1/2009 15:31 19.4 1.5 3.3 Run 2 

4/1/200915:31 19.5 1.5 3.4 Run 2 

Page 7 of 14 
ArcelorMiltal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/200915:31 19.5 1.5 3.5 Run 2 

4/1/2009 15:32 19.5 1.5 3.6 Run 2 

4/1/2009 15:32 19.5 1.5 3.7 Run 2 

4/1/2009 15:32 19.5 1.5 3.9 Run 2 

4/1/2009 15:33 19.5 1.5 4.0 Run 2 

4/1/2009 15:33 19.5 1.5 4.0 Run 2 

4/1/200915:33 19.5 1.5 4.1 Run 2 

4/1/2009 15:34 19.5 1.5 4.1 Run 2 

4/1/2009 15:34 19.5 1.5 4.2 Run 2 

4/1/2009 15:34 19.5 1.5 4.2 Run 2 

4/1/2009 15:35 19.4 1.5 4.1 Run 2 

4/1/2009 15:35 19.5 1.5 4.1 Run 2 

4/1/2009 15:35 19.5 1.5 4.0 Run 2 

4/1/2009 15:36 19.4 1.5 4.0 Run 2 

4/1/2009 15:36 19.4 1.5 3.8 Run 2 

4/1/2009 15:36 19.4 1.5 3.7 Run 2 

4/1/2009 15:37 19.4 1.5 3.5 Run 2 

4/1/2009 15:37 19.4 1.5 3.4 Run 2 

4/1/2009 15:37 19.4 1.5 3.5 Run 2 

4/1/2009 15:38 19.4 1.5 3.5 Run 2 

4/1/2009 15:38 19.4 1.6 3.4 Run 2 

4/1/2009 15:38 19.4 1.6 3.4 Run 2 

4/1/2009 15:39 19.4 1.6 3.4 Run 2 

4/1/2009 15:39 19.4 1.6 3.4 Run 2 

4/1/2009 15:39 19.4 1.6 3.4 Run 2 

4/1/2009 15:40 19.4 1.5 3.4 Run 2 

4/1/2009 15:40 19.5 1.5 3.4 Run 2 

4/1/2009 15:40 19.5 1.5 3.4 Run 2 

4/1/2009 15:41 19.5 1.5 3.4 Run 2 

4/1/200915:41 19.5 1.5 3.3 Run 2 

4/1/200915:41 19.5 1.5 3.3 Run 2 

4/1/2009 15:42 19.5 1.5 3.3 Run 2 

4/1/2009 15:42 19.5 1.5 3.4 Run 2 

4/1/2009 15:42 19.5 1.5 3.5 Run 2 

4/1/2009 15:43 19.5 1.5 3.5 Run 2 

4/1/2009 15:43 19.5 1.5 3.6 Run 2 

4/1/2009 15:43 19.5 1.5 3.7 Run 2 

4/1/2009 15:44 19.5 1.5 3.8 Run 2 

4/1/200915:44 19.5 1.5 3.8 Run 2 

4/1/2009 15:44 19.5 1.5 3.8 Run 2 

4/1/2009 15:45 19.5 1.5 3.8 Run 2 

4/1/2009 15:45 19.5 1.5 3.8 Run 2 

4/1/2009 15:45 19.5 1.5 3.8 Run 2 

4/1/2009 15:46 19.5 1.5 3.8 Run 2 

4/1/2009 15:46 19.5 1.5 3.8 Run 2 

4/1/200915:46 19.5 1.5 3.6 Run 2 

4/1/2009 15:47 19.5 1.5 3.5 Run 2 

4/1/200915:47 19.5 1.5 3.5 Run 2 

4/1/2009 15:47 19.5 1.5 3.5 Run 2 

4/1/2009 15:48 19.5 1.5 3.4 Run 2 

4/1/2009 15:48 19.5 1.5 3.5 Run 2 

4/1/2009 15 :48 19.4 1.5 3.6 Run 2 

4/1/200915:49 19.4 1.5 3.7 Run 2 

4/1/2009 15:49 19.4 1.5 3.8 Run 2 

4/1/2009 15:49 19.4 1.5 3.8 Run 2 

4/1/2009 15:50 19.5 1.5 3.9 Run 2 

4/1/200915:50 19.4 1.5 4.0 Run 2 

4/1/2009 15:50 19.4 1.5 4.0 Run 2 

4/1/2009 15:51 19.4 1.5 4.0 Run 2 

4/1/200915:51 19.4 1.5 4.0 Run 2 

4/1/200915:51 19.4 1.5 4.0 Run 2 

4/1/2009 15:52 19.4 1.5 4.0 Run 2 

4/1/2009 15:52 19.4 1.5 4.0 Run 2 

4/1/2009 15:52 19.4 1.5 4.0 Run 2 

4/1/200915:53 19.4 1.5 4.0 Run 2 

4/1/2009 15:53 19.4 1.5 4.0 Run 2 

4/1/2009 15:53 19.4 1.5 3.9 Run 2 

4/1/200915:54 19.4 1.5 3.7 Run 2 

4/1/2009 15:54 19.4 1.5 3.6 Run 2 

4/1/2009 15:54 19.4 1.5 3.6 Run 2 

4/1/2009 15:55 19.4 1.5 3.6 Run 2 

4/1/200915:55 19.5 1.5 3.5 Run 2 

4/1/2009 15:55 19.4 1.5 3.5 Run 2 

Page 8 of 14 

ArcelorMiltal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/200915:31 19.5 1.5 3.5 Run 2 

4/1/2009 15:32 19.5 1.5 3.6 Run 2 

4/1/2009 15:32 19.5 1.5 3.7 Run 2 

4/1/2009 15:32 19.5 1.5 3.9 Run 2 

4/1/2009 15:33 19.5 1.5 4.0 Run 2 

4/1/2009 15:33 19.5 1.5 4.0 Run 2 

4/1/200915:33 19.5 1.5 4.1 Run 2 

4/1/2009 15:34 19.5 1.5 4.1 Run 2 

4/1/2009 15:34 19.5 1.5 4.2 Run 2 

4/1/2009 15:34 19.5 1.5 4.2 Run 2 

4/1/2009 15:35 19.4 1.5 4.1 Run 2 

4/1/2009 15:35 19.5 1.5 4.1 Run 2 

4/1/2009 15:35 19.5 1.5 4.0 Run 2 

4/1/2009 15:36 19.4 1.5 4.0 Run 2 

4/1/2009 15:36 19.4 1.5 3.8 Run 2 

4/1/2009 15:36 19.4 1.5 3.7 Run 2 

4/1/2009 15:37 19.4 1.5 3.5 Run 2 

4/1/2009 15:37 19.4 1.5 3.4 Run 2 

4/1/2009 15:37 19.4 1.5 3.5 Run 2 

4/1/2009 15:38 19.4 1.5 3.5 Run 2 

4/1/2009 15:38 19.4 1.6 3.4 Run 2 

4/1/2009 15:38 19.4 1.6 3.4 Run 2 

4/1/2009 15:39 19.4 1.6 3.4 Run 2 

4/1/2009 15:39 19.4 1.6 3.4 Run 2 

4/1/2009 15:39 19.4 1.6 3.4 Run 2 

4/1/2009 15:40 19.4 1.5 3.4 Run 2 

4/1/2009 15:40 19.5 1.5 3.4 Run 2 

4/1/2009 15:40 19.5 1.5 3.4 Run 2 

4/1/2009 15:41 19.5 1.5 3.4 Run 2 

4/1/200915:41 19.5 1.5 3.3 Run 2 

4/1/200915:41 19.5 1.5 3.3 Run 2 

4/1/2009 15:42 19.5 1.5 3.3 Run 2 

4/1/2009 15:42 19.5 1.5 3.4 Run 2 

4/1/2009 15:42 19.5 1.5 3.5 Run 2 

4/1/2009 15:43 19.5 1.5 3.5 Run 2 

4/1/2009 15:43 19.5 1.5 3.6 Run 2 

4/1/2009 15:43 19.5 1.5 3.7 Run 2 

4/1/2009 15:44 19.5 1.5 3.8 Run 2 

4/1/200915:44 19.5 1.5 3.8 Run 2 

4/1/2009 15:44 19.5 1.5 3.8 Run 2 

4/1/2009 15:45 19.5 1.5 3.8 Run 2 

4/1/2009 15:45 19.5 1.5 3.8 Run 2 

4/1/2009 15:45 19.5 1.5 3.8 Run 2 

4/1/2009 15:46 19.5 1.5 3.8 Run 2 

4/1/2009 15:46 19.5 1.5 3.8 Run 2 

4/1/200915:46 19.5 1.5 3.6 Run 2 

4/1/2009 15:47 19.5 1.5 3.5 Run 2 

4/1/200915:47 19.5 1.5 3.5 Run 2 

4/1/2009 15:47 19.5 1.5 3.5 Run 2 

4/1/2009 15:48 19.5 1.5 3.4 Run 2 

4/1/2009 15:48 19.5 1.5 3.5 Run 2 

4/1/2009 15 :48 19.4 1.5 3.6 Run 2 

4/1/200915:49 19.4 1.5 3.7 Run 2 

4/1/2009 15:49 19.4 1.5 3.8 Run 2 

4/1/2009 15:49 19.4 1.5 3.8 Run 2 

4/1/2009 15:50 19.5 1.5 3.9 Run 2 

4/1/200915:50 19.4 1.5 4.0 Run 2 

4/1/2009 15:50 19.4 1.5 4.0 Run 2 

4/1/2009 15:51 19.4 1.5 4.0 Run 2 

4/1/200915:51 19.4 1.5 4.0 Run 2 

4/1/200915:51 19.4 1.5 4.0 Run 2 

4/1/2009 15:52 19.4 1.5 4.0 Run 2 

4/1/2009 15:52 19.4 1.5 4.0 Run 2 

4/1/2009 15:52 19.4 1.5 4.0 Run 2 

4/1/200915:53 19.4 1.5 4.0 Run 2 

4/1/2009 15:53 19.4 1.5 4.0 Run 2 

4/1/2009 15:53 19.4 1.5 3.9 Run 2 

4/1/200915:54 19.4 1.5 3.7 Run 2 

4/1/2009 15:54 19.4 1.5 3.6 Run 2 

4/1/2009 15:54 19.4 1.5 3.6 Run 2 

4/1/2009 15:55 19.4 1.5 3.6 Run 2 

4/1/200915:55 19.5 1.5 3.5 Run 2 

4/1/2009 15:55 19.4 1.5 3.5 Run 2 

Page 8 of 14 
ArcelorMiltal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 15:56 19.5 1.5 3.5 Run 2 

4/1/2009 15:56 19.4 1.5 3.5 Run 2 

4/1/2009 15:56 19.4 1.5 3.6 Run 2 

4/1/200915:57 19.4 1.5 3.7 Run 2 

4/1/2009 15:57 19.4 1.5 3.7 Run 2 

4/1/2009 15:57 19.4 1.5 3.8 Run 2 

4/1/2009 15:58 19.5 1.5 3.9 Run 2 

4/1/2009 15:58 19.5 1.5 4.0 Run 2 

4/1/2009 15:58 19.5 1.5 4.1 Run 2 

4/1/2009 15:59 19.5 1.5 4.1 Run 2 

4/1/2009 15:59 19.5 1.5 4.2 Run 2 

4/1/200915:59 19.5 1.5 4.1 Run 2 

4/1/2009 16:00 19.5 1.5 4.1 Run 2 

4/1/2009 16:00 19.5 1.5 4.1 Run 2 

4/1/200916:00 19.5 1.5 4.0 Run 2 

4/1/2009 16:01 19.5 1.5 3.9 Run 2 

4/1/2009 16:01 19.5 1.5 3.8 Run 2 

4/1/2009 16:01 19.5 1.5 3.7 Run 2 

4/1/2009 16:02 19.5 1.5 3.6 Run 2 

4/1/2009 16:02 19.5 1.5 3.4 Run 2 

4/1/2009 16:02 19.5 1.5 3.3 Run 2 

4/1/2009 16:03 19.5 1.5 3.3 Run 2 

4/1/200916:03 19.5 1.5 3.3 Run 2 

4/1/2009 16:03 19.5 1.5 3.2 Run 2 

4/1/2009 16:04 19.5 1.5 3.1 Run 2 

4/1/2009 16:04 19.5 1.5 3.1 Run 2 

4/1/2009 16:04 19.5 1.5 3.1 Run 2 

4/1/200916:05 19.5 1.5 3.1 Run 2 

4/1/200916:05 19.5 1.5 3.1 Run 2 

4/1/2009 16:05 19.5 1.5 3.1 Run 2 

4/1/2009 16:06 19.5 1.5 3.2 Run 2 

4/1/200916:06 19.5 1.5 3.2 Run 2 

4/1/200916:06 19.4 1.6 3.3 Run 2 

4/1/2009 16:07 19.5 1.5 3.3 Run 2 

4/1/2009 16:07 19.5 1.5 3.2 Run 2 

4/1/200916:07 19.5 1.5 3.2 Run 2 

4/1/2009 16:08 19.5 1.5 3.2 Run 2 

4/1/2009 16:08 19.5 1.5 3.2 Run 2 

4/1/2009 16:08 19.5 1.5 3.2 Run 2 

4/1/2009 16:09 19.5 1.5 3.1 Run 2 

4/1/2009 16:09 19.5 1.5 3.2 Run 2 

4/1/2009 16:09 19.5 1.5 3.1 Run 2 

4/1/200916:10 19.5 1.5 3.1 Run 2 

4/1/200916:10 19.5 1.5 3.1 Run 2 

4/1/200916:10 19.5 1.5 3.1 Run 2 

4/1/200916:11 19.5 1.5 3.0 Run 2 

4/1/200916:11 19.5 1.5 3.0 Run 2 

4/1/200916:11 19.5 1.6 3.1 Run 2 

4/1/200916:12 19.5 1.5 3.1 Run 2 

4/1/200916:12 19.5 1.5 3.1 Run 2 

4/1/200916:12 19.5 1.5 3.1 Run 2 

4/1/2009 16:13 19.5 1.5 3.1 Run 2 

4/1/200916:13 19.5 1.5 3.3 Run 2 

4/1/200916:13 19.4 1.6 3.4 Run 2 

4/1/200916:14 19.5 1.5 3.4 Run 2 

4/1/200916:14 19.4 1.5 3.5 Run 2 

4/1/200916:14 19.4 1.5 3.6 Run 2 

4/1/200916:15 19.5 1.5 3.7 Run 2 

4/1/200916:15 19.4 1.5 3.8 Run 2 

4/1/200916:15 19.5 1.5 3.9 Run 2 

4/1/200916:16 19.4 1.5 3.9 Run 2 

4/1/200916:16 19.4 1.5 3.9 Run 2 

4/1/200916:16 19.4 1.5 3.8 Run 2 

4/1/200916:17 19.4 1.5 3.9 Run 2 

4/1/200916:17 19.4 1.5 4.0 Run 2 

4/1/200916:17 19.4 1.5 3.9 Run 2 

4/1/200916:18 19.4 1.5 3.9 Run 2 

4/1/200916:18 19.4 1.5 4.0 Run 2 

4/1/200916:18 19.4 1.5 3.9 Run 2 

4/1/200916:19 19.4 1.5 3.9 Run 2 

4/1/200916:19 19.4 1.5 4.0 Run 2 

4/1/200916:19 19.5 1.5 4.1 Run 2 

4/1/200916:20 19.5 1.5 4.1 Run 2 

Page 9 of 14 

ArcelorMiltal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 15:56 19.5 1.5 3.5 Run 2 

4/1/2009 15:56 19.4 1.5 3.5 Run 2 

4/1/2009 15:56 19.4 1.5 3.6 Run 2 

4/1/200915:57 19.4 1.5 3.7 Run 2 

4/1/2009 15:57 19.4 1.5 3.7 Run 2 

4/1/2009 15:57 19.4 1.5 3.8 Run 2 

4/1/2009 15:58 19.5 1.5 3.9 Run 2 

4/1/2009 15:58 19.5 1.5 4.0 Run 2 

4/1/2009 15:58 19.5 1.5 4.1 Run 2 

4/1/2009 15:59 19.5 1.5 4.1 Run 2 

4/1/2009 15:59 19.5 1.5 4.2 Run 2 

4/1/200915:59 19.5 1.5 4.1 Run 2 

4/1/2009 16:00 19.5 1.5 4.1 Run 2 

4/1/2009 16:00 19.5 1.5 4.1 Run 2 

4/1/200916:00 19.5 1.5 4.0 Run 2 

4/1/2009 16:01 19.5 1.5 3.9 Run 2 

4/1/2009 16:01 19.5 1.5 3.8 Run 2 

4/1/2009 16:01 19.5 1.5 3.7 Run 2 

4/1/2009 16:02 19.5 1.5 3.6 Run 2 

4/1/2009 16:02 19.5 1.5 3.4 Run 2 

4/1/2009 16:02 19.5 1.5 3.3 Run 2 

4/1/2009 16:03 19.5 1.5 3.3 Run 2 

4/1/200916:03 19.5 1.5 3.3 Run 2 

4/1/2009 16:03 19.5 1.5 3.2 Run 2 

4/1/2009 16:04 19.5 1.5 3.1 Run 2 

4/1/2009 16:04 19.5 1.5 3.1 Run 2 

4/1/2009 16:04 19.5 1.5 3.1 Run 2 

4/1/200916:05 19.5 1.5 3.1 Run 2 

4/1/200916:05 19.5 1.5 3.1 Run 2 

4/1/2009 16:05 19.5 1.5 3.1 Run 2 

4/1/2009 16:06 19.5 1.5 3.2 Run 2 

4/1/200916:06 19.5 1.5 3.2 Run 2 

4/1/200916:06 19.4 1.6 3.3 Run 2 

4/1/2009 16:07 19.5 1.5 3.3 Run 2 

4/1/2009 16:07 19.5 1.5 3.2 Run 2 

4/1/200916:07 19.5 1.5 3.2 Run 2 

4/1/2009 16:08 19.5 1.5 3.2 Run 2 

4/1/2009 16:08 19.5 1.5 3.2 Run 2 

4/1/2009 16:08 19.5 1.5 3.2 Run 2 

4/1/2009 16:09 19.5 1.5 3.1 Run 2 

4/1/2009 16:09 19.5 1.5 3.2 Run 2 

4/1/2009 16:09 19.5 1.5 3.1 Run 2 

4/1/200916:10 19.5 1.5 3.1 Run 2 

4/1/200916:10 19.5 1.5 3.1 Run 2 

4/1/200916:10 19.5 1.5 3.1 Run 2 

4/1/200916:11 19.5 1.5 3.0 Run 2 

4/1/200916:11 19.5 1.5 3.0 Run 2 

4/1/200916:11 19.5 1.6 3.1 Run 2 

4/1/200916:12 19.5 1.5 3.1 Run 2 

4/1/200916:12 19.5 1.5 3.1 Run 2 

4/1/200916:12 19.5 1.5 3.1 Run 2 

4/1/2009 16:13 19.5 1.5 3.1 Run 2 

4/1/200916:13 19.5 1.5 3.3 Run 2 

4/1/200916:13 19.4 1.6 3.4 Run 2 

4/1/200916:14 19.5 1.5 3.4 Run 2 

4/1/200916:14 19.4 1.5 3.5 Run 2 

4/1/200916:14 19.4 1.5 3.6 Run 2 

4/1/200916:15 19.5 1.5 3.7 Run 2 

4/1/200916:15 19.4 1.5 3.8 Run 2 

4/1/200916:15 19.5 1.5 3.9 Run 2 

4/1/200916:16 19.4 1.5 3.9 Run 2 

4/1/200916:16 19.4 1.5 3.9 Run 2 

4/1/200916:16 19.4 1.5 3.8 Run 2 

4/1/200916:17 19.4 1.5 3.9 Run 2 

4/1/200916:17 19.4 1.5 4.0 Run 2 

4/1/200916:17 19.4 1.5 3.9 Run 2 

4/1/200916:18 19.4 1.5 3.9 Run 2 

4/1/200916:18 19.4 1.5 4.0 Run 2 

4/1/200916:18 19.4 1.5 3.9 Run 2 

4/1/200916:19 19.4 1.5 3.9 Run 2 

4/1/200916:19 19.4 1.5 4.0 Run 2 

4/1/200916:19 19.5 1.5 4.1 Run 2 

4/1/200916:20 19.5 1.5 4.1 Run 2 

Page 9 of 14 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 16:20 19.4 1.5 4.1 Run 2 

4/1/2009 16:20 19.4 1.5 4.1 Run 2 

4/1/2009 16:21 19.4 1.5 4.1 Run 2 

4/1/2009 16:21 19.5 1.5 4.2 Run 2 

4/1/200916:21 19.5 1.5 4.3 Run 2 

4/1/2009 16:22 19.4 1.5 4.4 Run 2 

4/1/2009 16:22 19.4 1.5 4.5 Run 2 

4/1/2009 16:22 19.5 1.5 4.6 Run 2 

4/1/2009 16:23 19.5 1.5 4.8 Run 2 

4/1/200916:23 19.4 1.5 4.9 Run 2 

4/1/200916:23 19.5 1.5 4.9 Run 2 

4/1/2009 16:24 19.5 1.5 4.9 Run 2 

4/1/200916:24 19.5 1.5 4.8 Run 2 

4/1/2009 16:24 19.5 1.5 4.6 Run 2 

4/1/2009 16:25 19.5 1.5 4.5 Run 2 

4/1/2009 16:25 19.5 1.5 4.4 Run 2 

4/1/200916:25 19.5 1.5 4.4 Run 2 

4/1/2009 16:26 19.5 1.5 4.4 Run 2 

4/1/2009 16:26 19.5 1.5 4.4 Run 2 

4/1/2009 16:26 19.5 1.5 4.3 Run 2 

4/1/2009 16:27 19.5 1.5 4.1 Run 2 

4/1/2009 16:27 19.5 1.5 4.1 Run 2 

4/1/2009 16:27 19.5 1.5 4.0 Run 2 

4/1/2009 16:28 19.5 1.5 3.9 Run 2 

4/1/2009 16:28 19.5 1.5 3.8 Run 2 

4/1/2009 16:28 19.5 1.5 3.6 Run 2 

4/1/2009 16:29 19.5 1.5 3.6 Run 2 

4/1/2009 16:29 19.5 1.5 3.6 Run 2 

4/1/200916:29 19.5 1.5 3.6 Run 2 

4/1/2009 16:30 19.5 1.5 3.7 

4/1/2009 16:30 19.5 1.5 3.7 

4/1/2009 16:30 19.5 1.5 3.7 

4/1/200916:31 19.5 1.5 3.8 

4/1/200916:31 19.5 1.5 3.9 

4/1/2009 16:31 19.5 1.5 4.0 Bias Drift Check 

4/1/2009 16:32 19.5 1.5 4.0 Bias Drift Check 

4/1/200916:32 15.7 2.1 3.9 Bias Drift Check 

4/1/2009 16:32 0.5 0.1 3.7 Bias Drift Check 

4/1/2009 16:33 0.1 0.0 3.2 Bias Drift Check 

4/1/2009 16:33 0.1 0.0 2.8 Bias Drift Check 

4/1/2009 16:33 0.1 0.0 2.6 Bias Drift Check 

4/1/2009 16:34 0.1 0.0 2.3 Bias Drift Check 

4/1/2009 16:34 0.1 0.0 2.1 Bias Drift Check 

4/1/200916:34 0.1 0.0 2.2 Bias Drift Check 

4/1/2009 16:35 0.1 0.0 3.4 Bias Drift Check 

4/1/2009 16:35 0.1 0.0 4.3 Bias Drift Check 

4/1/2009 16:35 0.1 0.0 4.4 Bias Drift Check 

4/1/200916:36 0.1 0.0 4.4 Bias Drift Check 

4/1/200916:36 0.1 0.0 4.4 Bias Drift Check 

4/1/2009 16:36 0.1 0.0 4.3 Bias Drift Check 

4/1/2009 16:37 0.4 0.1 4.3 Bias Drift Check 

4/1/2009 16:37 18.3 4.4 3.3 Bias Drift Check 

4/1/200916:37 21.1 4.9 1.2 Bias Drift Check 

4/1/2009 16:38 21.1 4.9 0.4 Bias Drift Check 

4/1/2009 16:38 21.1 4.9 0.4 Bias Drift Check 

4/1/2009 16:38 21.1 4.9 0.3 Bias Drift Check 

4/1/200916:39 21.1 4.9 0.3 Bias Drift Check 

4/1/2009 16:39 20.6 3.9 0.3 Bias Drift Check 

4/1/2009 16:39 19.5 1.6 0.5 Bias Drift Check 

4/1/2009 16:40 19.5 1.5 0.9 In Stack 

4/1/200916:40 19.5 1.5 1.5 In Stack 

4/1/2009 16:40 19.5 1.5 2.1 In Stack 

4/1/200916:41 19.4 1.5 2.5 In Stack 

4/1/2009 16:41 19.4 1.5 2.9 In Stack 

4/1/200916:41 19.5 1.5 3.2 In Stack 

4/1/2009 16:42 19.5 1.5 3.3 In Stack 

4/1/2009 16:42 19.4 1.5 3.5 In Stack 

4/1/2009 16:42 19.4 1.5 3.6 In Stack 

4/1/200916:43 19.4 1.5 3.6 In Stack 

4/1/200916:43 19.4 1.5 3.7 In Stack 

4/1/2009 16:43 19.4 1.5 3.9 In Stack 

4/1/2009 16:44 19.4 1.5 4.0 In Stack 

4/1/200916:44 19.4 1.5 4.1 In Stack 

Page 10 of 14 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 16:20 19.4 1.5 4.1 Run 2 

4/1/2009 16:20 19.4 1.5 4.1 Run 2 

4/1/2009 16:21 19.4 1.5 4.1 Run 2 

4/1/2009 16:21 19.5 1.5 4.2 Run 2 

4/1/200916:21 19.5 1.5 4.3 Run 2 

4/1/2009 16:22 19.4 1.5 4.4 Run 2 

4/1/2009 16:22 19.4 1.5 4.5 Run 2 

4/1/2009 16:22 19.5 1.5 4.6 Run 2 

4/1/2009 16:23 19.5 1.5 4.8 Run 2 

4/1/200916:23 19.4 1.5 4.9 Run 2 

4/1/200916:23 19.5 1.5 4.9 Run 2 

4/1/2009 16:24 19.5 1.5 4.9 Run 2 

4/1/200916:24 19.5 1.5 4.8 Run 2 

4/1/2009 16:24 19.5 1.5 4.6 Run 2 

4/1/2009 16:25 19.5 1.5 4.5 Run 2 

4/1/2009 16:25 19.5 1.5 4.4 Run 2 

4/1/200916:25 19.5 1.5 4.4 Run 2 

4/1/2009 16:26 19.5 1.5 4.4 Run 2 

4/1/2009 16:26 19.5 1.5 4.4 Run 2 

4/1/2009 16:26 19.5 1.5 4.3 Run 2 

4/1/2009 16:27 19.5 1.5 4.1 Run 2 

4/1/2009 16:27 19.5 1.5 4.1 Run 2 

4/1/2009 16:27 19.5 1.5 4.0 Run 2 

4/1/2009 16:28 19.5 1.5 3.9 Run 2 

4/1/2009 16:28 19.5 1.5 3.8 Run 2 

4/1/2009 16:28 19.5 1.5 3.6 Run 2 

4/1/2009 16:29 19.5 1.5 3.6 Run 2 

4/1/2009 16:29 19.5 1.5 3.6 Run 2 

4/1/200916:29 19.5 1.5 3.6 Run 2 

4/1/2009 16:30 19.5 1.5 3.7 

4/1/2009 16:30 19.5 1.5 3.7 

4/1/2009 16:30 19.5 1.5 3.7 

4/1/200916:31 19.5 1.5 3.8 

4/1/200916:31 19.5 1.5 3.9 

4/1/2009 16:31 19.5 1.5 4.0 Bias Drift Check 

4/1/2009 16:32 19.5 1.5 4.0 Bias Drift Check 

4/1/200916:32 15.7 2.1 3.9 Bias Drift Check 

4/1/2009 16:32 0.5 0.1 3.7 Bias Drift Check 

4/1/2009 16:33 0.1 0.0 3.2 Bias Drift Check 

4/1/2009 16:33 0.1 0.0 2.8 Bias Drift Check 

4/1/2009 16:33 0.1 0.0 2.6 Bias Drift Check 

4/1/2009 16:34 0.1 0.0 2.3 Bias Drift Check 

4/1/2009 16:34 0.1 0.0 2.1 Bias Drift Check 

4/1/200916:34 0.1 0.0 2.2 Bias Drift Check 

4/1/2009 16:35 0.1 0.0 3.4 Bias Drift Check 

4/1/2009 16:35 0.1 0.0 4.3 Bias Drift Check 

4/1/2009 16:35 0.1 0.0 4.4 Bias Drift Check 

4/1/200916:36 0.1 0.0 4.4 Bias Drift Check 

4/1/200916:36 0.1 0.0 4.4 Bias Drift Check 

4/1/2009 16:36 0.1 0.0 4.3 Bias Drift Check 

4/1/2009 16:37 0.4 0.1 4.3 Bias Drift Check 

4/1/2009 16:37 18.3 4.4 3.3 Bias Drift Check 

4/1/200916:37 21.1 4.9 1.2 Bias Drift Check 

4/1/2009 16:38 21.1 4.9 0.4 Bias Drift Check 

4/1/2009 16:38 21.1 4.9 0.4 Bias Drift Check 

4/1/2009 16:38 21.1 4.9 0.3 Bias Drift Check 

4/1/200916:39 21.1 4.9 0.3 Bias Drift Check 

4/1/2009 16:39 20.6 3.9 0.3 Bias Drift Check 

4/1/2009 16:39 19.5 1.6 0.5 Bias Drift Check 

4/1/2009 16:40 19.5 1.5 0.9 In Stack 

4/1/200916:40 19.5 1.5 1.5 In Stack 

4/1/2009 16:40 19.5 1.5 2.1 In Stack 

4/1/200916:41 19.4 1.5 2.5 In Stack 

4/1/2009 16:41 19.4 1.5 2.9 In Stack 

4/1/200916:41 19.5 1.5 3.2 In Stack 

4/1/2009 16:42 19.5 1.5 3.3 In Stack 

4/1/2009 16:42 19.4 1.5 3.5 In Stack 

4/1/2009 16:42 19.4 1.5 3.6 In Stack 

4/1/200916:43 19.4 1.5 3.6 In Stack 

4/1/200916:43 19.4 1.5 3.7 In Stack 

4/1/2009 16:43 19.4 1.5 3.9 In Stack 

4/1/2009 16:44 19.4 1.5 4.0 In Stack 

4/1/200916:44 19.4 1.5 4.1 In Stack 

Page 10 of 14 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 16:44 19.4 1.5 4.1 In Stack 

4/1/2009 16:45 19.4 1.5 4.2 Run 3 

4/1/2009 16:45 19.4 1.5 4.2 Run 3 

4/1/2009 16:45 19.4 1.5 4.2 Run 3 

4/1/2009 16:46 19.4 1.5 4.2 Run 3 

4/1/2009 16:46 19.4 1.5 4.1 Run 3 

4/1/200916:46 19.4 1.5 4.2 Run 3 

4/1/2009 16:47 19.4 1.5 4.3 Run 3 

4/1/2009 16:47 19.4 1.5 4.4 Run 3 

4/1/200916:47 19.4 1.5 4.5 Run 3 

4/1/200916:48 19.4 1.5 4.5 Run 3 

4/1/2009 16:48 19.4 1.5 4.8 Run 3 

4/1/2009 16:48 19.5 1.5 4.8 Run 3 

4/1/2009 16:49 19.5 1.5 4.7 Run 3 

4/1/200916:49 19.5 1.5 4.8 Run 3 

4/1/2009 16:49 19.5 1.5 4.9 Run 3 

4/1/2009 16:50 19.5 1.5 4.8 Run 3 

4/1/2009 16:50 19.5 1.5 4.7 Run 3 

4/1/200916:50 19.5 1.5 4.7 Run 3 

4/1/2009 16:51 19.5 1.5 4.7 Run 3 

4/1/2009 16:51 19.5 1.5 4.6 Run 3 

4/1/200916:51 19.5 1.5 4.6 Run 3 

4/1/200916:52 19.5 1.5 4.6 Run 3 

4/1/2009 16:52 19.5 1.5 4.5 Run 3 

4/1/2009 16:52 19.5 1.5 4.4 Run 3 

4/1/2009 16:53 19.5 1.5 4.4 Run 3 

4/1/2009 16:53 19.5 1.5 4.3 Run 3 

4/1/200916:53 19.5 1.5 4.2 Run 3 

4/1/2009 16:54 19.5 1.5 4.3 Run 3 

4/1/2009 16:54 19.5 1.5 4.3 Run 3 

4/1/200916:54 19.5 1.5 4.4 Run 3 

4/1/2009 16:55 19.5 1.5 4.3 Run 3 

4/1/2009 16: 55 19.5 1.5 4.4 Run 3 

4/1/200916:55 19.5 1.5 4.5 Run 3 

4/1/2009 16:56 19.4 1.5 4.6 Run 3 

4/1/2009 16:56 19.4 1.5 4.6 Run 3 

4/1/2009 16:56 19.4 1.5 4.6 Run 3 

4/1/200916:57 19.4 1.5 4.4 Run 3 

4/1/2009 16:57 19.5 1.5 4.4 Run 3 

4/1/2009 16:57 19.4 1.6 4.4 Run 3 

4/1/2009 16:58 19.4 1.6 4.2 Run 3 

4/1/200916:58 19.4 1.5 4.1 Run 3 

4/1/200916:58 19.5 1.5 3.9 Run 3 

4/1/2009 16:59 19.5 1.5 3.8 Run 3 

4/1/2009 16:59 19.5 1.5 3.7 Run 3 

4/1/2009 16:59 19.5 1.5 3.6 Run 3 

4/1/2009 17:00 19.5 1.5 3.5 Run 3 

4/1/2009 17:00 19.5 1.5 3.5 Run 3 

4/1/200917:00 19.5 1.5 3.5 Run 3 

4/1/2009 17:01 19.5 1.5 3.6 Run 3 

4/1/2009 17:01 19.5 1.5 3.6 Run 3 

4/1/2009 17:01 19.5 1.5 3.7 Run 3 

4/1/2009 17:02 19.5 1.5 3.8 Run 3 

4/1/200917:02 19.5 1.5 4.0 Run 3 

4/1/200917:02 19.5 1.5 4.1 Run 3 

4/1/200917:03 19.5 1.5 4.2 Run 3 

4/1/2009 17:03 19.5 1.5 4.3 Run 3 

4/1/2009 17:03 19.5 1.5 4.4 Run 3 

4/1/2009 17:04 19.5 1.5 4.3 Run 3 

4/1/2009 17:04 19.4 1.5 4.3 Run 3 

4/1/2009 17:04 19.5 1.5 4.2 Run 3 

4/1/2009 17:05 19.4 1.6 4.1 Run 3 

4/1/200917:05 19.4 1.6 4.0 Run 3 

4/1/2009 17:05 19.4 1.6 3.9 Run 3 

4/1/2009 17:06 19.4 1.6 3.7 Run 3 

4/1/2009 17:06 19.4 1.6 3.5 Run 3 

4/1/2009 17:06 19.4 1.6 3.4 Run 3 

4/1/2009 17:07 19.4 1.6 3.3 Run 3 

4/1/2009 17:07 19.4 1.6 3.3 Run 3 

4/1/2009 17:07 19.4 1.6 3.2 Run 3 

4/1/2009 17:08 19.4 1.6 3.2 Run 3 

4/1/200917:08 19.4 1.6 3.2 Run 3 

4/1/2009 17:08 19.4 1.6 3.2 Run 3 

Page 11 of 14 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 16:44 19.4 1.5 4.1 In Stack 

4/1/2009 16:45 19.4 1.5 4.2 Run 3 

4/1/2009 16:45 19.4 1.5 4.2 Run 3 

4/1/2009 16:45 19.4 1.5 4.2 Run 3 

4/1/2009 16:46 19.4 1.5 4.2 Run 3 

4/1/2009 16:46 19.4 1.5 4.1 Run 3 

4/1/200916:46 19.4 1.5 4.2 Run 3 

4/1/2009 16:47 19.4 1.5 4.3 Run 3 

4/1/2009 16:47 19.4 1.5 4.4 Run 3 

4/1/200916:47 19.4 1.5 4.5 Run 3 

4/1/200916:48 19.4 1.5 4.5 Run 3 

4/1/2009 16:48 19.4 1.5 4.8 Run 3 

4/1/2009 16:48 19.5 1.5 4.8 Run 3 

4/1/2009 16:49 19.5 1.5 4.7 Run 3 

4/1/200916:49 19.5 1.5 4.8 Run 3 

4/1/2009 16:49 19.5 1.5 4.9 Run 3 

4/1/2009 16:50 19.5 1.5 4.8 Run 3 

4/1/2009 16:50 19.5 1.5 4.7 Run 3 

4/1/200916:50 19.5 1.5 4.7 Run 3 

4/1/2009 16:51 19.5 1.5 4.7 Run 3 

4/1/2009 16:51 19.5 1.5 4.6 Run 3 

4/1/200916:51 19.5 1.5 4.6 Run 3 

4/1/200916:52 19.5 1.5 4.6 Run 3 

4/1/2009 16:52 19.5 1.5 4.5 Run 3 

4/1/2009 16:52 19.5 1.5 4.4 Run 3 

4/1/2009 16:53 19.5 1.5 4.4 Run 3 

4/1/2009 16:53 19.5 1.5 4.3 Run 3 

4/1/200916:53 19.5 1.5 4.2 Run 3 

4/1/2009 16:54 19.5 1.5 4.3 Run 3 

4/1/2009 16:54 19.5 1.5 4.3 Run 3 

4/1/200916:54 19.5 1.5 4.4 Run 3 

4/1/2009 16:55 19.5 1.5 4.3 Run 3 

4/1/2009 16: 55 19.5 1.5 4.4 Run 3 

4/1/200916:55 19.5 1.5 4.5 Run 3 

4/1/2009 16:56 19.4 1.5 4.6 Run 3 

4/1/2009 16:56 19.4 1.5 4.6 Run 3 

4/1/2009 16:56 19.4 1.5 4.6 Run 3 

4/1/200916:57 19.4 1.5 4.4 Run 3 

4/1/2009 16:57 19.5 1.5 4.4 Run 3 

4/1/2009 16:57 19.4 1.6 4.4 Run 3 

4/1/2009 16:58 19.4 1.6 4.2 Run 3 

4/1/200916:58 19.4 1.5 4.1 Run 3 

4/1/200916:58 19.5 1.5 3.9 Run 3 

4/1/2009 16:59 19.5 1.5 3.8 Run 3 

4/1/2009 16:59 19.5 1.5 3.7 Run 3 

4/1/2009 16:59 19.5 1.5 3.6 Run 3 

4/1/2009 17:00 19.5 1.5 3.5 Run 3 

4/1/2009 17:00 19.5 1.5 3.5 Run 3 

4/1/200917:00 19.5 1.5 3.5 Run 3 

4/1/2009 17:01 19.5 1.5 3.6 Run 3 

4/1/2009 17:01 19.5 1.5 3.6 Run 3 

4/1/2009 17:01 19.5 1.5 3.7 Run 3 

4/1/2009 17:02 19.5 1.5 3.8 Run 3 

4/1/200917:02 19.5 1.5 4.0 Run 3 

4/1/200917:02 19.5 1.5 4.1 Run 3 

4/1/200917:03 19.5 1.5 4.2 Run 3 

4/1/2009 17:03 19.5 1.5 4.3 Run 3 

4/1/2009 17:03 19.5 1.5 4.4 Run 3 

4/1/2009 17:04 19.5 1.5 4.3 Run 3 

4/1/2009 17:04 19.4 1.5 4.3 Run 3 

4/1/2009 17:04 19.5 1.5 4.2 Run 3 

4/1/2009 17:05 19.4 1.6 4.1 Run 3 

4/1/200917:05 19.4 1.6 4.0 Run 3 

4/1/2009 17:05 19.4 1.6 3.9 Run 3 

4/1/2009 17:06 19.4 1.6 3.7 Run 3 

4/1/2009 17:06 19.4 1.6 3.5 Run 3 

4/1/2009 17:06 19.4 1.6 3.4 Run 3 

4/1/2009 17:07 19.4 1.6 3.3 Run 3 

4/1/2009 17:07 19.4 1.6 3.3 Run 3 

4/1/2009 17:07 19.4 1.6 3.2 Run 3 

4/1/2009 17:08 19.4 1.6 3.2 Run 3 

4/1/200917:08 19.4 1.6 3.2 Run 3 

4/1/2009 17:08 19.4 1.6 3.2 Run 3 

Page 11 of 14 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 17 :09 19.4 1.5 3.2 Run 3 

4/1/2009 17:09 19.4 1.5 3.3 Run 3 

4/1/2009 17:09 19.4 1.5 3.3 Run 3 

4/1/2009 17: 10 19.4 1,5 3.3 Run 3 

4/1/2009 17:10 19.4 1.5 3.5 Run 3 

4/1/2009 17:10 19.4 1.5 3.5 Run 3 

4/1/200917:11 19.4 1.5 3.5 Run 3 

4/1/2009 17: 11 19.4 1.5 3.5 Run 3 

4/1/2009 17:11 19.5 1,5 3.6 Run 3 

4/1/2009 17:12 19.5 1.5 3.7 Run 3 

4/1/200917:12 19.5 1.5 3.7 Run 3 

4/1/200917:12 19,5 1.5 3.6 Run 3 

4/1/200917:13 19.5 1.5 3.6 Run 3 

4/1/200917:13 19.5 1.5 3.5 Run 3 

4/1/200917:13 19.5 1.5 3.5 Run 3 

4/1/200917:14 19.5 1.5 3.5 Run 3 

4/1/200917:14 19.5 1.5 3.6 Run 3 

4/1/200917:14 19.5 1.5 3.6 Run 3 

4/1/200917:15 19.5 1.5 3.6 Run 3 

4/1/200917:15 19.5 1.5 3.7 Run 3 

4/1/2009 17:15 19.5 1.5 3.7 Run 3 

4/1/200917:16 19.5 1.5 3.7 Run 3 

4/1/200917:16 19.5 1.5 3.7 Run 3 

4/1/200917:16 19.5 1.5 3.7 Run 3 

4/1/200917:17 19.5 1.5 3.7 Run 3 

4/1/200917:17 19.4 1.5 3.7 Run 3 

4/1/200917:17 19.5 1.5 3.7 Run 3 

4/1/200917:18 19.4 1.6 3.8 Run 3 

4/1/200917:18 19.4 1.6 3.8 Run 3 

4/1/2009 17:18 19.4 1.6 3.8 Run 3 

4/1/2009 17:19 19.4 1.6 3.8 Run 3 

4/1/200917:19 19.5 1.5 3.8 Run 3 

4/1/2009 17:19 19.5 1,5 3.8 Run 3 

4/1/2009 17:20 19.5 1.5 3.8 Run 3 

4/1/200917:20 19.5 1.5 3.7 Run 3 

4/1/2009 17:20 19.5 1.5 3.7 Run 3 

4/1/200917:21 19.5 1.5 3.7 Run 3 

4/1/2009 17:21 19.5 1.5 3.6 Run 3 

4/1/200917:21 19.5 1.5 3.6 Run 3 

4/1/2009 17:22 19.5 1.5 3.7 Run 3 

4/1/200917:22 19.5 1.5 3.7 Run 3 

4/1/2009 17:22 19.5 1.5 3.7 Run 3 

4/1/2009 17:23 19.5 1.5 3.7 Run 3 

4/1/2009 17:23 19.5 1.5 3.8 Run 3 

4/1/2009 17:23 19.5 1.5 3.9 Run 3 

4/1/200917:24 19.5 1.5 4.0 Run 3 

4/1/2009 17:24 19.5 1.5 4.2 Run 3 

4/1/200917:24 19.5 1.5 4.3 Run 3 

4/1/2009 17:25 19.5 1.5 4.5 Run 3 

4/1/2009 17:25 19.5 1.5 4.7 Run 3 

4/1/200917:25 19.5 1.5 4.7 Run 3 

4/1/2009 17:26 19.5 1.5 4.8 Run 3 

4/1/2009 17:26 19.5 1.5 4.9 Run 3 

4/1/2009 17:26 19.5 1.5 4.9 Run 3 

4/1/2009 17:27 19.5 1.5 4.9 Run 3 

4/1/2009 17:27 19.5 1.5 4.9 Run 3 

4/1/2009 17:27 19.5 1.5 4.9 Run 3 

4/1/200917:28 19.5 1.5 4,9 Run 3 

4/1/2009 17:28 19.5 1.5 4.9 Run 3 

4/1/2009 17:28 19.5 1.5 4.8 Run 3 

4/1/2009 17:29 19.5 1.5 4.8 Run 3 

4/1/200917:29 19.4 1.5 4.7 Run 3 

4/1/2009 17:29 19.4 1.5 4.6 Run 3 

4/1/2009 17:30 19.4 1.5 4.5 Run 3 

4/1/2009 17:30 19.4 1.5 4.6 Run 3 

4/1/2009 17:30 19.4 1.5 4,6 Run 3 

4/1/2009 17:31 19.4 1.5 4.5 Run 3 

4/1/2009 17:31 19.4 1.5 4.4 Run 3 

4/1/2009 17 :31 19.4 1.5 4.4 Run 3 

4/1/2009 17:32 19.4 1.5 4.4 Run 3 

4/1/2009 17:32 19.4 1.5 4.3 Run 3 

4/1/2009 17 :32 19.4 1.5 4.3 Run 3 

4/1/2009 17:33 19.4 1.5 4.4 Run 3 

Page 12 of 14 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 17 :09 19.4 1.5 3.2 Run 3 

4/1/2009 17:09 19.4 1.5 3.3 Run 3 

4/1/2009 17:09 19.4 1.5 3.3 Run 3 

4/1/2009 17: 10 19.4 1,5 3.3 Run 3 

4/1/2009 17:10 19.4 1.5 3.5 Run 3 

4/1/2009 17:10 19.4 1.5 3.5 Run 3 

4/1/200917:11 19.4 1.5 3.5 Run 3 

4/1/2009 17: 11 19.4 1.5 3.5 Run 3 

4/1/2009 17:11 19.5 1,5 3.6 Run 3 

4/1/2009 17:12 19.5 1.5 3.7 Run 3 

4/1/200917:12 19.5 1.5 3.7 Run 3 

4/1/200917:12 19,5 1.5 3.6 Run 3 

4/1/200917:13 19.5 1.5 3.6 Run 3 

4/1/200917:13 19.5 1.5 3.5 Run 3 

4/1/200917:13 19.5 1.5 3.5 Run 3 

4/1/200917:14 19.5 1.5 3.5 Run 3 

4/1/200917:14 19.5 1.5 3.6 Run 3 

4/1/200917:14 19.5 1.5 3.6 Run 3 

4/1/200917:15 19.5 1.5 3.6 Run 3 

4/1/200917:15 19.5 1.5 3.7 Run 3 

4/1/2009 17:15 19.5 1.5 3.7 Run 3 

4/1/200917:16 19.5 1.5 3.7 Run 3 

4/1/200917:16 19.5 1.5 3.7 Run 3 

4/1/200917:16 19.5 1.5 3.7 Run 3 

4/1/200917:17 19.5 1.5 3.7 Run 3 

4/1/200917:17 19.4 1.5 3.7 Run 3 

4/1/200917:17 19.5 1.5 3.7 Run 3 

4/1/200917:18 19.4 1.6 3.8 Run 3 

4/1/200917:18 19.4 1.6 3.8 Run 3 

4/1/2009 17:18 19.4 1.6 3.8 Run 3 

4/1/2009 17:19 19.4 1.6 3.8 Run 3 

4/1/200917:19 19.5 1.5 3.8 Run 3 

4/1/2009 17:19 19.5 1,5 3.8 Run 3 

4/1/2009 17:20 19.5 1.5 3.8 Run 3 

4/1/200917:20 19.5 1.5 3.7 Run 3 

4/1/2009 17:20 19.5 1.5 3.7 Run 3 

4/1/200917:21 19.5 1.5 3.7 Run 3 

4/1/2009 17:21 19.5 1.5 3.6 Run 3 

4/1/200917:21 19.5 1.5 3.6 Run 3 

4/1/2009 17:22 19.5 1.5 3.7 Run 3 

4/1/200917:22 19.5 1.5 3.7 Run 3 

4/1/2009 17:22 19.5 1.5 3.7 Run 3 

4/1/2009 17:23 19.5 1.5 3.7 Run 3 

4/1/2009 17:23 19.5 1.5 3.8 Run 3 

4/1/2009 17:23 19.5 1.5 3.9 Run 3 

4/1/200917:24 19.5 1.5 4.0 Run 3 

4/1/2009 17:24 19.5 1.5 4.2 Run 3 

4/1/200917:24 19.5 1.5 4.3 Run 3 

4/1/2009 17:25 19.5 1.5 4.5 Run 3 

4/1/2009 17:25 19.5 1.5 4.7 Run 3 

4/1/200917:25 19.5 1.5 4.7 Run 3 

4/1/2009 17:26 19.5 1.5 4.8 Run 3 

4/1/2009 17:26 19.5 1.5 4.9 Run 3 

4/1/2009 17:26 19.5 1.5 4.9 Run 3 

4/1/2009 17:27 19.5 1.5 4.9 Run 3 

4/1/2009 17:27 19.5 1.5 4.9 Run 3 

4/1/2009 17:27 19.5 1.5 4.9 Run 3 

4/1/200917:28 19.5 1.5 4,9 Run 3 

4/1/2009 17:28 19.5 1.5 4.9 Run 3 

4/1/2009 17:28 19.5 1.5 4.8 Run 3 

4/1/2009 17:29 19.5 1.5 4.8 Run 3 

4/1/200917:29 19.4 1.5 4.7 Run 3 

4/1/2009 17:29 19.4 1.5 4.6 Run 3 

4/1/2009 17:30 19.4 1.5 4.5 Run 3 

4/1/2009 17:30 19.4 1.5 4.6 Run 3 

4/1/2009 17:30 19.4 1.5 4,6 Run 3 

4/1/2009 17:31 19.4 1.5 4.5 Run 3 

4/1/2009 17:31 19.4 1.5 4.4 Run 3 

4/1/2009 17 :31 19.4 1.5 4.4 Run 3 

4/1/2009 17:32 19.4 1.5 4.4 Run 3 

4/1/2009 17:32 19.4 1.5 4.3 Run 3 

4/1/2009 17 :32 19.4 1.5 4.3 Run 3 

4/1/2009 17:33 19.4 1.5 4.4 Run 3 

Page 12 of 14 
ArcelorMiltal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02j.vg S02_Avg 

TS Percent Percent PPM 

4/1/2009 17:33 19.4 1.5 4.4 Run 3 

4/1/2009 17:33 19.4 1.5 4.4 Run 3 

4/1/200917:34 19.4 1.5 4.4 Run 3 

4/1/2009 17:34 19.4 1.5 4.5 Run 3 

4/1/200917:34 19.5 1.5 4.6 Run 3 

4/1/2009 17:35 19.5 1.5 4.8 Run 3 

4/1/200917:35 19.5 1.5 5.0 Run 3 

4/1/2009 17:35 19.5 1.5 5.1 Run 3 

4/1/2009 17:36 19.5 1.4 5.1 Run 3 

4/1/2009 17:36 19.5 1.4 5.1 Run 3 

4/1/200917:36 19.5 1.4 5.2 Run 3 

4/1/2009 17:37 19.5 1.4 5.1 Run 3 

4/1/200917:37 19.5 1.4 5.1 Run 3 

4/1/2009 17:37 19.5 1.4 5.1 Run 3 

4/1/2009 17:38 19.5 1.4 5.1 Run 3 

4/1/200917:38 19.5 1.4 5.1 Run 3 

4/1/2009 17:38 19.5 1.4 5.1 Run 3 

4/1/2009 17:39 19.5 1.4 5.1 Run 3 

4/1/2009 17:39 19.5 1.4 5.1 Run 3 

4/1/2009 17:39 19.5 1.4 5.0 Run 3 

4/1/2009 17:40 19.5 1.4 4.9 Run 3 

4/1/2009 17:40 19.5 1.5 4.9 Run 3 

4/1/2009 17:40 19.5 1.5 5.0 Run 3 

4/1/2009 17:41 19.5 1.5 5.0 Run 3 

4/1/200917:41 19.5 1.5 5.1 Run 3 

4/1/200917:41 19.5 1.5 5.1 Run 3 

4/1/2009 17:42 19.5 1.5 5.2 Run 3 

4/1/200917:42 19.5 1.5 5.1 Run 3 

4/1/2009 17:42 19.5 1.5 5.1 Run 3 

4/1/2009 17:43 19.5 1.5 5.0 Run 3 

4/1/2009 17:43 19.5 1.5 5.0 Run 3 

4/1/2009 17:43 19.5 1.5 5.0 Run 3 

4/1/200917:44 19.5 1.5 5.0 Run 3 

4/1/2009 17:44 19.5 1.5 5.0 Run 3 

4/1/2009 17:44 19.5 1.5 4.8 Run 3 

4/1/2009 17:45 19.5 1.5 4.7 Bias Drift Check 

4/1/2009 17:45 19.5 1.5 4.5 Bias Drift Check 

4/1/2009 17:45 19.5 1.5 4.3 Bias Drift Check 

4/1/2009 17:46 19.8 2.4 4.2 Bias Drift Check 

4/1/2009 17:46 20.0 4.5 4.0 Bias Drift Check 

4/1/2009 17 :46 21.1 4.9 3.2 Bias Drift Check 

4/1/200917:47 21.1 4.9 2.3 Bias Drift Check 

4/1/200917:47 21.1 4.9 1.7 Bias Drift Check 

4/1/200917:47 18.5 4.2 1.4 Bias Drift Check 

4/1/2009 17:48 0.9 0.2 1.1 Bias Drift Check 

4/1/2009 17:48 0.2 0.0 1.2 Bias Drift Check 

4/1/200917:48 0.1 0.0 1.4 Bias Drift Check 

4/1/2009 17:49 0.1 0.0 1.5 Bias Drift Check 

4/1/2009 17:49 0.1 0.0 1.5 Bias Drift Check 

4/1/200917:49 0.1 0.0 1.5 Bias Drift Check 

4/1/2009 17:50 0.1 0.0 1.6 Bias Drift Check 

4/1/2009 17:50 0.1 0.0 2.6 Bias Drift Check 

4/1/2009 17:50 0.1 0.0 3.8 Bias Drift Check 

4/1/2009 17:51 0.1 0.0 4.2 Bias Drift Check 

4/1/200917:51 0.1 0.0 4.2 Bias Drift Check 

4/1/200917:51 0.1 0.0 4.2 Bias Drift Check 

4/1/200917:52 0.1 0.0 4.2 Bias Drift Check 

4/1/2009 17:52 0.1 0.0 3.8 Bias Drift Check 

4/1/2009 17:52 0.1 0.0 2.4 Bias Drift Check 

4/1/200917:53 0.1 0.0 1.4 Bias Drift Check 

4/1/2009 17:53 0.1 0.0 1.3 Bias Drift Check 

4/1/2009 17:53 0.1 0.0 1.2 Bias Drift Check 

4/1/200917:54 0.1 0.0 1.2 Bias Drift Check 

4/1/2009 17:54 0.1 0.0 1.2 Bias Drift Check 

4/1/2009 17:54 0.1 0.0 1.2 Bias Drift Check 

4/1/2009 17:55 0.1 0.0 1.4 Bias Drift Check 

4/1/2009 17:55 0.1 0.0 2.7 Bias Drift Check 

4/1/2009 17:55 0.1 0.0 5.2 Bias Drift Check 

4/1/2009 17:56 0.1 0.0 7.5 Bias Drift Check 

4/1/200917:56 0.1 0.0 9.1 Bias Drift Check 

4/1/2009 17:56 0.1 0.0 10.2 Bias Drift Check 

4/1/2009 17:57 0.1 0.0 10.9 Bias Drift Check 

4/1/2009 17:57 0.1 0.0 11.3 Bias Drift Check 

Page 13 of 14 

ArcelorMiltal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Furnace Stack B (SV015) 

TIMESTAMP 02_Avg C02j.vg S02_Avg 

TS Percent Percent PPM 

4/1/2009 17:33 19.4 1.5 4.4 Run 3 

4/1/2009 17:33 19.4 1.5 4.4 Run 3 

4/1/200917:34 19.4 1.5 4.4 Run 3 

4/1/2009 17:34 19.4 1.5 4.5 Run 3 

4/1/200917:34 19.5 1.5 4.6 Run 3 

4/1/2009 17:35 19.5 1.5 4.8 Run 3 

4/1/200917:35 19.5 1.5 5.0 Run 3 

4/1/2009 17:35 19.5 1.5 5.1 Run 3 

4/1/2009 17:36 19.5 1.4 5.1 Run 3 

4/1/2009 17:36 19.5 1.4 5.1 Run 3 

4/1/200917:36 19.5 1.4 5.2 Run 3 

4/1/2009 17:37 19.5 1.4 5.1 Run 3 

4/1/200917:37 19.5 1.4 5.1 Run 3 

4/1/2009 17:37 19.5 1.4 5.1 Run 3 

4/1/2009 17:38 19.5 1.4 5.1 Run 3 

4/1/200917:38 19.5 1.4 5.1 Run 3 

4/1/2009 17:38 19.5 1.4 5.1 Run 3 

4/1/2009 17:39 19.5 1.4 5.1 Run 3 

4/1/2009 17:39 19.5 1.4 5.1 Run 3 

4/1/2009 17:39 19.5 1.4 5.0 Run 3 

4/1/2009 17:40 19.5 1.4 4.9 Run 3 

4/1/2009 17:40 19.5 1.5 4.9 Run 3 

4/1/2009 17:40 19.5 1.5 5.0 Run 3 

4/1/2009 17:41 19.5 1.5 5.0 Run 3 

4/1/200917:41 19.5 1.5 5.1 Run 3 

4/1/200917:41 19.5 1.5 5.1 Run 3 

4/1/2009 17:42 19.5 1.5 5.2 Run 3 

4/1/200917:42 19.5 1.5 5.1 Run 3 

4/1/2009 17:42 19.5 1.5 5.1 Run 3 

4/1/2009 17:43 19.5 1.5 5.0 Run 3 

4/1/2009 17:43 19.5 1.5 5.0 Run 3 

4/1/2009 17:43 19.5 1.5 5.0 Run 3 

4/1/200917:44 19.5 1.5 5.0 Run 3 

4/1/2009 17:44 19.5 1.5 5.0 Run 3 

4/1/2009 17:44 19.5 1.5 4.8 Run 3 

4/1/2009 17:45 19.5 1.5 4.7 Bias Drift Check 

4/1/2009 17:45 19.5 1.5 4.5 Bias Drift Check 

4/1/2009 17:45 19.5 1.5 4.3 Bias Drift Check 

4/1/2009 17:46 19.8 2.4 4.2 Bias Drift Check 

4/1/2009 17:46 20.0 4.5 4.0 Bias Drift Check 

4/1/2009 17 :46 21.1 4.9 3.2 Bias Drift Check 

4/1/200917:47 21.1 4.9 2.3 Bias Drift Check 

4/1/200917:47 21.1 4.9 1.7 Bias Drift Check 

4/1/200917:47 18.5 4.2 1.4 Bias Drift Check 

4/1/2009 17:48 0.9 0.2 1.1 Bias Drift Check 

4/1/2009 17:48 0.2 0.0 1.2 Bias Drift Check 

4/1/200917:48 0.1 0.0 1.4 Bias Drift Check 

4/1/2009 17:49 0.1 0.0 1.5 Bias Drift Check 

4/1/2009 17:49 0.1 0.0 1.5 Bias Drift Check 

4/1/200917:49 0.1 0.0 1.5 Bias Drift Check 

4/1/2009 17:50 0.1 0.0 1.6 Bias Drift Check 

4/1/2009 17:50 0.1 0.0 2.6 Bias Drift Check 

4/1/2009 17:50 0.1 0.0 3.8 Bias Drift Check 

4/1/2009 17:51 0.1 0.0 4.2 Bias Drift Check 

4/1/200917:51 0.1 0.0 4.2 Bias Drift Check 

4/1/200917:51 0.1 0.0 4.2 Bias Drift Check 

4/1/200917:52 0.1 0.0 4.2 Bias Drift Check 

4/1/2009 17:52 0.1 0.0 3.8 Bias Drift Check 

4/1/2009 17:52 0.1 0.0 2.4 Bias Drift Check 

4/1/200917:53 0.1 0.0 1.4 Bias Drift Check 

4/1/2009 17:53 0.1 0.0 1.3 Bias Drift Check 

4/1/2009 17:53 0.1 0.0 1.2 Bias Drift Check 

4/1/200917:54 0.1 0.0 1.2 Bias Drift Check 

4/1/2009 17:54 0.1 0.0 1.2 Bias Drift Check 

4/1/2009 17:54 0.1 0.0 1.2 Bias Drift Check 

4/1/2009 17:55 0.1 0.0 1.4 Bias Drift Check 

4/1/2009 17:55 0.1 0.0 2.7 Bias Drift Check 

4/1/2009 17:55 0.1 0.0 5.2 Bias Drift Check 

4/1/2009 17:56 0.1 0.0 7.5 Bias Drift Check 

4/1/200917:56 0.1 0.0 9.1 Bias Drift Check 

4/1/2009 17:56 0.1 0.0 10.2 Bias Drift Check 

4/1/2009 17:57 0.1 0.0 10.9 Bias Drift Check 

4/1/2009 17:57 0.1 0.0 11.3 Bias Drift Check 

Page 13 of 14 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Fumace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 17:57 0.1 0.0 11.7 Bias Drift Check 

4/1/2009 17:58 0.1 0.0 12.0 Bias Drift Check 

4/1/2009 17:58 0.1 0.0 12.1 Bias Drift Check 

4/1/2009 17:58 0.1 0.0 12.2 Bias Drift Check 

4/1/2009 17:59 0.1 0.0 12.5 Bias Drift Check 

4/1/2009 17:59 0.1 0.0 12.6 Bias Drift Check 

4/1/2009 17:59 0.1 0.0 12.7 Bias Drift Check 

4/1/2009 18:00 0.1 0.0 12.9 Bias Drift Check 

4/1/2009 18:00 0.1 0.0 13.1 Bias Drift Check 

4/1/2009 18:00 0.1 0.0 13.2 Bias Drift Check 

4/1/2009 18:01 0.1 0.0 13.2 Bias Drift Check 

4/1/2009 18:01 0.1 0.0 13.1 Bias Drift Check 

4/1/2009 18:01 0.1 0.0 12.0 Bias Drift Check 

4/1/2009 18:02 0.1 0.0 9.1 Bias Drift Check 

4/1/2009 18:02 0.1 0.0 6.4 Bias Drift Check 

4/1/2009 18:02 0.1 0.0 4.9 Bias Drift Check 

4/1/2009 18:03 13.9 1.1 4.0 Bias Drift Check 

Page 14 of 14 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/01/09 

Indurating Fumace Stack B (SV015) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/1/2009 17:57 0.1 0.0 11.7 Bias Drift Check 

4/1/2009 17:58 0.1 0.0 12.0 Bias Drift Check 

4/1/2009 17:58 0.1 0.0 12.1 Bias Drift Check 

4/1/2009 17:58 0.1 0.0 12.2 Bias Drift Check 

4/1/2009 17:59 0.1 0.0 12.5 Bias Drift Check 

4/1/2009 17:59 0.1 0.0 12.6 Bias Drift Check 

4/1/2009 17:59 0.1 0.0 12.7 Bias Drift Check 

4/1/2009 18:00 0.1 0.0 12.9 Bias Drift Check 

4/1/2009 18:00 0.1 0.0 13.1 Bias Drift Check 

4/1/2009 18:00 0.1 0.0 13.2 Bias Drift Check 

4/1/2009 18:01 0.1 0.0 13.2 Bias Drift Check 

4/1/2009 18:01 0.1 0.0 13.1 Bias Drift Check 

4/1/2009 18:01 0.1 0.0 12.0 Bias Drift Check 

4/1/2009 18:02 0.1 0.0 9.1 Bias Drift Check 

4/1/2009 18:02 0.1 0.0 6.4 Bias Drift Check 

4/1/2009 18:02 0.1 0.0 4.9 Bias Drift Check 

4/1/2009 18:03 13.9 1.1 4.0 Bias Drift Check 

Page 14 of 14 
ArcelorMittal Minorca Mine, Inc. 

Virgina, MN 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack C (SV016) 

Average Analyzer Results 

Run I 02,% -r C02, % I S02, ppm 

1 18.9 2.0 5.4 

2 18.9 1.9 4.8 

3 18.9 1.9 8.1 

TOA5 CR1000 1362 CR1000.Std.08 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

Avg Avg Avg 

4/2/2009 6:43 21.1 -0.2 -0.3 

4/2/2009 6:44 21.1 -0.2 -0.3 

4/2/2009 6:44 21.1 -0.2 -0.2 

4/2/2009 6:44 21.1 -0.2 -0.2 

4/2/2009 6:45 21.1 -0.2 -0.2 

4/2/2009 6:45 21.1 -0.2 -0.2 

4/2/2009 6:45 21.1 -0.2 -0.2 

4/2/2009 6:46 8.7 -0.3 -0.2 

4/2/2009 6:46 0.0 -0.3 -0.1 

4/2/2009 6:46 0.0 0.0 0.4 

4/2/20096:47 0.0 0.0 0.9 

4/2/20096:47 0.0 0.0 0.6 

4/2/20096:47 0.0 0.0 0.4 

4/2/2009 6:48 0.0 0.0 0.3 

4/2/2009 6:48 0.0 0.0 0.3 

4/2/2009 6:48 0.0 0.0 0.3 

4/2/2009 6:49 0.0 0.0 0.3 

4/2/2009 6:49 0.0 0.0 0.2 

4/2/2009 6:49 0.0 0.0 0.2 

4/2/2009 6:50 0.0 0.0 0.2 

4/2/2009 6:50 0.0 0.0 0.2 

4/2/2009 6:50 7.2 0.0 0.2 

4/2/2009 6:51 3.5 0.0 2.2 

4/2/2009 6:51 0.1 0.0 32.7 

4/2/2009 6:51 0.1 0.0 52.5 

4/2/2009 6:52 0.1 0.0 52.5 

4/2/2009 6:52 0.1 0.0 52.5 

4/2/2009 6:52 0.1 0.0 52.5 

4/2/2009 6:53 0.1 0.0 52.5 

4/2/2009 6:53 0.1 0.0 52.5 

4/2/20096:53 0.1 0.0 52.5 

4/2/2009 6:54 0.1 0.0 52.5 

4/2/2009 6:54 0.5 0.0 52.5 

4/2/2009 6:54 4.2 0.0 16.8 

4/2/2009 6:55 0.1 0.0 23.2 

4/2/2009 6:55 0.0 0.0 41.1 

4/2/2009 6:55 0.0 0.0 45.6 

4/2/20096:56 0.0 0.0 46.8 

4/2/2009 6:56 0.0 0.0 32.4 

4/2/2009 6:56 0.0 0.0 4.0 

4/2/2009 6:57 0.0 0.0 0.6 

4/2/2009 6:57 0.0 0.0 0.2 

4/2/20096:57 7.0 7.5 0.0 

4/2/2009 6:58 9.2 9.3 -0.1 

4/2/2009 6:58 14.1 7.1 -0.1 

4/2/2009 6:58 21.1 4.9 -0.1 

4/2/2009 6:59 21.1 4.9 -0.1 

4/2/20096:59 21.1 4.9 -0.1 

4/2/2009 6:59 17.8 6.2 -0.1 

4/2/2009 7:00 9.0 9.0 -0.1 

4/2/2009 7:00 9.0 9.0 -0.1 

4/2/2009 7:00 3.2 2.8 -0.1 

4/2/2009 7:01 0.0 0.0 -0.1 

4/2/2009 7:01 0.0 0.0 0.1 

4/2/2009 7:01 1.0 0.1 0.2 

4/2/2009 7:02 0.2 0.0 13.9 

4/2/2009 7:02 0.1 0.0 25.1 

4/2/2009 7:02 0.0 0.0 26.2 

4/2/2009 7:03 0.0 0.0 26.4 

4/2/2009 7:03 0.0 0.0 26.2 

4/2/2009 7:03 0.0 0.0 26.3 

4/2/2009 7:04 0.0 0.0 26.2 

4/2/2009 7:04 0.1 0.0 22.1 

4/2/2009 7:04 0.0 0.0 12.9 

Page 1 of 12 

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Barr Engineering 

Sampled on 04/02/09 

ArcelorMittal Minorca Mine, Inc. 

Virgina, MN 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack C (SV016) 

Average Analyzer Results 

Run I 02,% -r C02, % I S02, ppm 

1 18.9 2.0 5.4 

2 18.9 1.9 4.8 

3 18.9 1.9 8.1 

TOA5 CR1000 1362 CR1000.Std.08 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

Avg Avg Avg 

4/2/2009 6:43 21.1 -0.2 -0.3 

4/2/2009 6:44 21.1 -0.2 -0.3 

4/2/2009 6:44 21.1 -0.2 -0.2 

4/2/2009 6:44 21.1 -0.2 -0.2 

4/2/2009 6:45 21.1 -0.2 -0.2 

4/2/2009 6:45 21.1 -0.2 -0.2 

4/2/2009 6:45 21.1 -0.2 -0.2 

4/2/2009 6:46 8.7 -0.3 -0.2 

4/2/2009 6:46 0.0 -0.3 -0.1 

4/2/2009 6:46 0.0 0.0 0.4 

4/2/20096:47 0.0 0.0 0.9 

4/2/20096:47 0.0 0.0 0.6 

4/2/20096:47 0.0 0.0 0.4 

4/2/2009 6:48 0.0 0.0 0.3 

4/2/2009 6:48 0.0 0.0 0.3 

4/2/2009 6:48 0.0 0.0 0.3 

4/2/2009 6:49 0.0 0.0 0.3 

4/2/2009 6:49 0.0 0.0 0.2 

4/2/2009 6:49 0.0 0.0 0.2 

4/2/2009 6:50 0.0 0.0 0.2 

4/2/2009 6:50 0.0 0.0 0.2 

4/2/2009 6:50 7.2 0.0 0.2 

4/2/2009 6:51 3.5 0.0 2.2 

4/2/2009 6:51 0.1 0.0 32.7 

4/2/2009 6:51 0.1 0.0 52.5 

4/2/2009 6:52 0.1 0.0 52.5 

4/2/2009 6:52 0.1 0.0 52.5 

4/2/2009 6:52 0.1 0.0 52.5 

4/2/2009 6:53 0.1 0.0 52.5 

4/2/2009 6:53 0.1 0.0 52.5 

4/2/20096:53 0.1 0.0 52.5 

4/2/2009 6:54 0.1 0.0 52.5 

4/2/2009 6:54 0.5 0.0 52.5 

4/2/2009 6:54 4.2 0.0 16.8 

4/2/2009 6:55 0.1 0.0 23.2 

4/2/2009 6:55 0.0 0.0 41.1 

4/2/2009 6:55 0.0 0.0 45.6 

4/2/20096:56 0.0 0.0 46.8 

4/2/2009 6:56 0.0 0.0 32.4 

4/2/2009 6:56 0.0 0.0 4.0 

4/2/2009 6:57 0.0 0.0 0.6 

4/2/2009 6:57 0.0 0.0 0.2 

4/2/20096:57 7.0 7.5 0.0 

4/2/2009 6:58 9.2 9.3 -0.1 

4/2/2009 6:58 14.1 7.1 -0.1 

4/2/2009 6:58 21.1 4.9 -0.1 

4/2/2009 6:59 21.1 4.9 -0.1 

4/2/20096:59 21.1 4.9 -0.1 

4/2/2009 6:59 17.8 6.2 -0.1 

4/2/2009 7:00 9.0 9.0 -0.1 

4/2/2009 7:00 9.0 9.0 -0.1 

4/2/2009 7:00 3.2 2.8 -0.1 

4/2/2009 7:01 0.0 0.0 -0.1 

4/2/2009 7:01 0.0 0.0 0.1 

4/2/2009 7:01 1.0 0.1 0.2 

4/2/2009 7:02 0.2 0.0 13.9 

4/2/2009 7:02 0.1 0.0 25.1 

4/2/2009 7:02 0.0 0.0 26.2 

4/2/2009 7:03 0.0 0.0 26.4 

4/2/2009 7:03 0.0 0.0 26.2 

4/2/2009 7:03 0.0 0.0 26.3 

4/2/2009 7:04 0.0 0.0 26.2 

4/2/2009 7:04 0.1 0.0 22.1 

4/2/2009 7:04 0.0 0.0 12.9 

Page 1 of 12 

Notes 

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Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Analyzer Cal 

Barr Engineering 

Sampled on 04/02/09 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 7:05 0.0 0.1 12.8 Analyzer Cal 

4/2/2009 7:05 0.0 0.1 12.8 Analyzer Cal 

4/2/2009 7:05 0.0 0.1 13.0 Analyzer Cal 

4/2/2009 7:06 15.6 0.1 12.2 Analyzer Cal 

4/2/2009 7:06 20.9 0.1 6.4 Analyzer Cal 

4/2/2009 7:06 20.8 0.1 1.1 Analyzer Cal 

4/2/2009 7:07 20.8 0.1 0.1 Analyzer Cal 

4/2/2009 7:07 20.8 0.1 0.0 Analyzer Cal 

4/2/2009 7:07 20.8 0.1 -0.1 Analyzer Cal 

4/2/2009 7:08 20.8 0.1 -0.1 Analyzer Cal 

4/2/2009 7:08 6.7 0.1 0.1 Analyzer Cal 

4/2/2009 7:08 0.1 0.1 0.4 System Bias Check 

4/2/2009 7:09 0.0 0.1 0.5 System Bias Check 

4/2/2009 7:09 0.0 0.1 0.5 System Bias Check 

4/2/2009 7:09 0.0 0.1 0.5 System Bias Check 

4/2/2009 7:10 0.0 0.1 0.4 System Bias Check 

4/2/20097:10 0.0 0.1 0.4 System Bias Check 

4/2/2009 7: 10 0.0 0.1 0.4 System Bias Check 

4/2/20097:11 0.0 0.1 0.4 System Bias Check 

4/2/20097:11 2.4 0.1 0.4 System Bias Check 

4/2/20097:11 20.6 0.1 0.2 System Bias Check 

4/2/2009 7:12 20.8 0.1 0.0 System Bias Check 

4/2/20097:12 20.8 0.1 -0.1 System Bias Check 

4/2/20097:12 20.8 0.1 -0.1 System Bias Check 

4/2/20097:13 15.3 0.2 -0.1 System Bias Check 

4/2/20097:13 1.0 0.1 0.0 System Bias Check 

4/2/2009 7: 13 0.2 0.1 0.1 System Bias Check 

4/2/20097:14 0.2 0.1 0.3 System Bias Check 

4/2/20097:14 0.2 0.1 0.4 System Bias Check 

4/2/20097:14 0.1 0.1 0.4 System Bias Check 

4/2/20097:15 0.1 0.1 0.5 System Bias Check 

4/2/20097:15 0.1 0.0 0.5 System Bias Check 

4/2/20097:15 0.1 0.0 0.5 System Bias Check 

4/2/20097:16 0.1 0.0 0.5 System Bias Check 

4/2/20097:16 0.1 0.0 0.5 System Bias Check 

4/2/20097:16 0.1 0.0 0.5 System Bias Check 

4/2/20097:17 0.1 0.0 0.5 System Bias Check 

4/2/20097:17 0.1 0.0 0.8 System Bias Check 

4/2/2009 7:17 0.1 0.0 3.1 System Bias Check 

4/2/20097:18 0.1 0.0 5.8 System Bias Check 

4/2/2009 7:18 0.1 0.0 6.4 System Bias Check 

4/2/20097:18 0.1 0.0 6.4 System Bias Check 

4/2/20097:19 0.1 0.0 6.4 System Bias Check 

4/2/2009 7: 19 0.1 0.0 6.5 System Bias Check 

4/2/20097:19 0.1 0.0 6.6 System Bias Check 

4/2/20097:20 0.1 0.0 6.5 System Bias Check 

4/2/20097:20 7.3 0.0 6.0 System Bias Check 

4/2/2009 7:20 6.9 2.9 3.3 System Bias Check 

4/2/20097:21 8.9 8.6 0.9 System Bias Check 

4/2/2009 7:21 9.0 8.8 0.4 System Bias Check 

4/2/20097:21 9.0 8.9 0.3 System Bias Check 

4/2/2009 7:22 9.0 9.0 0.2 System Bias Check 

4/2/2009 7:22 9.0 9.0 0.1 System Bias Check 

4/2/2009 7:22 9.0 9.0 0.1 System Bias Check 

4/2/2009 7:23 9.0 9.0 0.1 System Bias Check 

4/2/2009 7:23 9.2 8.8 0.1 System Bias Check 

4/2/2009 7:23 14.5 6.8 0.1 System Bias Check 

4/2/2009 7:24 20.8 5.0 0.0 System Bias Check 

4/2/2009 7:24 20.9 5.0 0.0 System Bias Check 

4/2/2009 7:24 20.9 5.0 0.0 System Bias Check 

4/2/2009 7:25 21.1 5.0 0.0 System Bias Check 

4/2/2009 7:25 21.1 5.0 0.0 System Bias Check 

4/2/2009 7:25 21.1 5.0 0.0 System Bias Check 

4/2/2009 7:26 21.1 5.0 0.0 System Bias Check 

4/2/2009 7:26 20.5 4.7 0.0 System Bias Check 

4/2/2009 7:26 2.4 0.6 0.4 System Bias Check 

4/2/2009 7:27 0.2 0.1 3.8 System Bias Check 

4/2/2009 7:27 0.2 0.1 8.8 System Bias Check 

4/2/2009 7:27 0.2 0.1 11.2 System Bias Check 

4/2/2009 7:28 0.2 0.1 11.6 System Bias Check 

4/2/2009 7:28 0.2 0.1 11.8 System Bias Check 

4/2/2009 7:28 0.1 0.1 11.8 System Bias Check 

4/2/2009 7:29 0.1 0.1 11.9 System Bias Check 

Page 2 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 7:05 0.0 0.1 12.8 Analyzer Cal 

4/2/2009 7:05 0.0 0.1 12.8 Analyzer Cal 

4/2/2009 7:05 0.0 0.1 13.0 Analyzer Cal 

4/2/2009 7:06 15.6 0.1 12.2 Analyzer Cal 

4/2/2009 7:06 20.9 0.1 6.4 Analyzer Cal 

4/2/2009 7:06 20.8 0.1 1.1 Analyzer Cal 

4/2/2009 7:07 20.8 0.1 0.1 Analyzer Cal 

4/2/2009 7:07 20.8 0.1 0.0 Analyzer Cal 

4/2/2009 7:07 20.8 0.1 -0.1 Analyzer Cal 

4/2/2009 7:08 20.8 0.1 -0.1 Analyzer Cal 

4/2/2009 7:08 6.7 0.1 0.1 Analyzer Cal 

4/2/2009 7:08 0.1 0.1 0.4 System Bias Check 

4/2/2009 7:09 0.0 0.1 0.5 System Bias Check 

4/2/2009 7:09 0.0 0.1 0.5 System Bias Check 

4/2/2009 7:09 0.0 0.1 0.5 System Bias Check 

4/2/2009 7:10 0.0 0.1 0.4 System Bias Check 

4/2/20097:10 0.0 0.1 0.4 System Bias Check 

4/2/2009 7: 10 0.0 0.1 0.4 System Bias Check 

4/2/20097:11 0.0 0.1 0.4 System Bias Check 

4/2/20097:11 2.4 0.1 0.4 System Bias Check 

4/2/20097:11 20.6 0.1 0.2 System Bias Check 

4/2/2009 7:12 20.8 0.1 0.0 System Bias Check 

4/2/20097:12 20.8 0.1 -0.1 System Bias Check 

4/2/20097:12 20.8 0.1 -0.1 System Bias Check 

4/2/20097:13 15.3 0.2 -0.1 System Bias Check 

4/2/20097:13 1.0 0.1 0.0 System Bias Check 

4/2/2009 7: 13 0.2 0.1 0.1 System Bias Check 

4/2/20097:14 0.2 0.1 0.3 System Bias Check 

4/2/20097:14 0.2 0.1 0.4 System Bias Check 

4/2/20097:14 0.1 0.1 0.4 System Bias Check 

4/2/20097:15 0.1 0.1 0.5 System Bias Check 

4/2/20097:15 0.1 0.0 0.5 System Bias Check 

4/2/20097:15 0.1 0.0 0.5 System Bias Check 

4/2/20097:16 0.1 0.0 0.5 System Bias Check 

4/2/20097:16 0.1 0.0 0.5 System Bias Check 

4/2/20097:16 0.1 0.0 0.5 System Bias Check 

4/2/20097:17 0.1 0.0 0.5 System Bias Check 

4/2/20097:17 0.1 0.0 0.8 System Bias Check 

4/2/2009 7:17 0.1 0.0 3.1 System Bias Check 

4/2/20097:18 0.1 0.0 5.8 System Bias Check 

4/2/2009 7:18 0.1 0.0 6.4 System Bias Check 

4/2/20097:18 0.1 0.0 6.4 System Bias Check 

4/2/20097:19 0.1 0.0 6.4 System Bias Check 

4/2/2009 7: 19 0.1 0.0 6.5 System Bias Check 

4/2/20097:19 0.1 0.0 6.6 System Bias Check 

4/2/20097:20 0.1 0.0 6.5 System Bias Check 

4/2/20097:20 7.3 0.0 6.0 System Bias Check 

4/2/2009 7:20 6.9 2.9 3.3 System Bias Check 

4/2/20097:21 8.9 8.6 0.9 System Bias Check 

4/2/2009 7:21 9.0 8.8 0.4 System Bias Check 

4/2/20097:21 9.0 8.9 0.3 System Bias Check 

4/2/2009 7:22 9.0 9.0 0.2 System Bias Check 

4/2/2009 7:22 9.0 9.0 0.1 System Bias Check 

4/2/2009 7:22 9.0 9.0 0.1 System Bias Check 

4/2/2009 7:23 9.0 9.0 0.1 System Bias Check 

4/2/2009 7:23 9.2 8.8 0.1 System Bias Check 

4/2/2009 7:23 14.5 6.8 0.1 System Bias Check 

4/2/2009 7:24 20.8 5.0 0.0 System Bias Check 

4/2/2009 7:24 20.9 5.0 0.0 System Bias Check 

4/2/2009 7:24 20.9 5.0 0.0 System Bias Check 

4/2/2009 7:25 21.1 5.0 0.0 System Bias Check 

4/2/2009 7:25 21.1 5.0 0.0 System Bias Check 

4/2/2009 7:25 21.1 5.0 0.0 System Bias Check 

4/2/2009 7:26 21.1 5.0 0.0 System Bias Check 

4/2/2009 7:26 20.5 4.7 0.0 System Bias Check 

4/2/2009 7:26 2.4 0.6 0.4 System Bias Check 

4/2/2009 7:27 0.2 0.1 3.8 System Bias Check 

4/2/2009 7:27 0.2 0.1 8.8 System Bias Check 

4/2/2009 7:27 0.2 0.1 11.2 System Bias Check 

4/2/2009 7:28 0.2 0.1 11.6 System Bias Check 

4/2/2009 7:28 0.2 0.1 11.8 System Bias Check 

4/2/2009 7:28 0.1 0.1 11.8 System Bias Check 

4/2/2009 7:29 0.1 0.1 11.9 System Bias Check 

Page 2 of 12 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/20097:29 0.1 0.1 12.0 System Bias Check 

4/2/2009 7:29 7.5 0.1 11.2 System Bias Check 

4/2/2009 7:30 6.3 0.1 6.1 System Bias Check 

4/2/2009 7:30 0.2 0.1 2.3 System Bias Check 

4/2/20097:30 0.1 0.1 3.4 System Bias Check 

4/2/20097:31 0.1 0.1 6.1 System Bias Check 

4/2/2009 7:31 0.1 0.1 8.3 System Bias Check 

4/2/20097:31 0.1 0.1 9.6 System Bias Check 

4/2/2009 7:32 0.1 0.1 10.5 System Bias Check 

4/2/2009 7:32 0.1 0.1 11.1 System Bias Check 

4/2/2009 7:32 0.1 0.1 11.4 System Bias Check 

4/2/2009 7:33 0.1 0.1 11.5 System Bias Check 

4/2/2009 7:33 0.1 0.1 11.8 System Bias Check 

4/2/2009 7:33 0.1 0.1 12.0 System Bias Check 

4/2/2009 7:57 18.9 2.0 5.0 In Stack 

4/2/2009 7:57 18.9 1.9 4.9 In Stack 

4/2/2009 7:57 18.9 2.0 4.9 In Stack 

4/2/2009 7:58 18.9 2.0 4.9 In Stack 

4/2/2009 7 :58 18.9 2.0 4.8 In Stack 

4/2/2009 7:58 18.8 2.0 4.7 In Stack 

4/2/2009 7:59 18.8 2.0 4.5 In Stack 

4/2/2009 7:59 18.8 2.0 4.4 In Stack 

4/2/2009 7:59 18.8 2.0 4.3 In Stack 

4/2/2009 8:00 18.8 2.0 4.0 Run 1 

4/2/2009 8:00 18.8 2.0 3.9 Run 1 

4/2/2009 8:00 18.8 2.0 3.8 Run 1 

4/2/2009 8:01 18.8 2.0 3.5 Run 1 

4/2/2009 8:01 18.8 2.0 3.4 Run 1 

4/2/2009 8:01 18.8 2.0 3.4 Run 1 

4/2/2009 8:02 18.8 2.0 3.3 Run 1 

4/2/2009 8:02 18.8 2.0 3.3 Run 1 

4/2/2009 8:02 18.8 2.0 3.3 Run 1 

4/2/2009 8:03 18.8 2.0 3.4 Run 1 

4/2/2009 8:03 18.8 2.0 3.4 Run 1 

4/2/2009 8:03 18.8 2.0 3.6 Run 1 

4/2/2009 8:04 18.9 2.0 3.8 Run 1 

4/2/2009 8:04 18.9 2.0 4.1 Run 1 

4/2/2009 8:04 18.9 2.0 4.2 Run 1 

4/2/2009 8:05 18.9 2.0 4.3 Run 1 

4/2/2009 8:05 18.9 2.0 4.3 Run 1 

4/2/2009 8:05 18.9 2.0 4.2 Run 1 

4/2/2009 8:06 18.9 2.0 4.2 Run 1 

4/2/2009 8:06 18.9 2.0 4.1 Run 1 

4/2/2009 8:06 18.9 2.0 4.1 Run 1 

4/2/2009 8:07 18.9 2.0 4.1 Run 1 

4/2/2009 8:07 18.9 2.0 4.0 Run 1 

4/2/2009 8:07 18.9 2.0 3.9 Run 1 

4/2/2009 8:08 18.9 2.0 3.9 Run 1 

4/2/2009 8:08 18.9 2.0 3.9 Run 1 

4/2/2009 8:08 18.9 1.9 4.0 Run 1 

4/2/2009 8:09 18.9 1.9 4.1 Run 1 

4/2/2009 8:09 18.9 1.9 4.3 Run 1 

4/2/2009 8:09 18.9 1.9 4.5 Run 1 

4/2/2009 8:10 18.9 1.9 4.6 Run 1 

4/2/2009 8: 1 0 18.9 1.9 4.8 Run 1 

4/2/2009 8:10 18.9 1.9 5.0 Run 1 

4/2/2009 8:11 18.9 1.9 5.3 Run 1 

4/2/2009 8:11 18.9 1.9 5.6 Run 1 

4/2/2009 8: 11 18.9 2.0 5.9 Run 1 

4/2/20098:12 18.9 1.9 6.1 Run 1 

4/2/20098:12 18.9 2.0 6.3 Run 1 

4/2/2009 8:12 18.9 2.0 6.4 Run 1 

4/2/2009 8:13 18.8 2.0 6.5 Run 1 

4/2/2009 8:13 18.8 2.0 6.5 Run 1 

4/2/2009 8:13 18.9 2.0 6.5 Run 1 

4/2/20098:14 18.9 2.0 6.3 Run 1 

4/2/20098:14 18.8 2.0 6.1 Run 1 

4/2/2009 8:14 18.9 2.0 6.0 Run 1 

4/2/2009 8:15 18.8 2.0 6.1 Run 1 

4/2/2009 8:15 18.8 2.0 6.0 Run 1 

4/2/2009 8:15 18.8 2.0 5.9 Run 1 

4/2/20098:16 18.8 2.0 5.7 Run 1 

4/2/2009 8:16 18.8 2.0 5.5 Run 1 

Page 3 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/20097:29 0.1 0.1 12.0 System Bias Check 

4/2/2009 7:29 7.5 0.1 11.2 System Bias Check 

4/2/2009 7:30 6.3 0.1 6.1 System Bias Check 

4/2/2009 7:30 0.2 0.1 2.3 System Bias Check 

4/2/20097:30 0.1 0.1 3.4 System Bias Check 

4/2/20097:31 0.1 0.1 6.1 System Bias Check 

4/2/2009 7:31 0.1 0.1 8.3 System Bias Check 

4/2/20097:31 0.1 0.1 9.6 System Bias Check 

4/2/2009 7:32 0.1 0.1 10.5 System Bias Check 

4/2/2009 7:32 0.1 0.1 11.1 System Bias Check 

4/2/2009 7:32 0.1 0.1 11.4 System Bias Check 

4/2/2009 7:33 0.1 0.1 11.5 System Bias Check 

4/2/2009 7:33 0.1 0.1 11.8 System Bias Check 

4/2/2009 7:33 0.1 0.1 12.0 System Bias Check 

4/2/2009 7:57 18.9 2.0 5.0 In Stack 

4/2/2009 7:57 18.9 1.9 4.9 In Stack 

4/2/2009 7:57 18.9 2.0 4.9 In Stack 

4/2/2009 7:58 18.9 2.0 4.9 In Stack 

4/2/2009 7 :58 18.9 2.0 4.8 In Stack 

4/2/2009 7:58 18.8 2.0 4.7 In Stack 

4/2/2009 7:59 18.8 2.0 4.5 In Stack 

4/2/2009 7:59 18.8 2.0 4.4 In Stack 

4/2/2009 7:59 18.8 2.0 4.3 In Stack 

4/2/2009 8:00 18.8 2.0 4.0 Run 1 

4/2/2009 8:00 18.8 2.0 3.9 Run 1 

4/2/2009 8:00 18.8 2.0 3.8 Run 1 

4/2/2009 8:01 18.8 2.0 3.5 Run 1 

4/2/2009 8:01 18.8 2.0 3.4 Run 1 

4/2/2009 8:01 18.8 2.0 3.4 Run 1 

4/2/2009 8:02 18.8 2.0 3.3 Run 1 

4/2/2009 8:02 18.8 2.0 3.3 Run 1 

4/2/2009 8:02 18.8 2.0 3.3 Run 1 

4/2/2009 8:03 18.8 2.0 3.4 Run 1 

4/2/2009 8:03 18.8 2.0 3.4 Run 1 

4/2/2009 8:03 18.8 2.0 3.6 Run 1 

4/2/2009 8:04 18.9 2.0 3.8 Run 1 

4/2/2009 8:04 18.9 2.0 4.1 Run 1 

4/2/2009 8:04 18.9 2.0 4.2 Run 1 

4/2/2009 8:05 18.9 2.0 4.3 Run 1 

4/2/2009 8:05 18.9 2.0 4.3 Run 1 

4/2/2009 8:05 18.9 2.0 4.2 Run 1 

4/2/2009 8:06 18.9 2.0 4.2 Run 1 

4/2/2009 8:06 18.9 2.0 4.1 Run 1 

4/2/2009 8:06 18.9 2.0 4.1 Run 1 

4/2/2009 8:07 18.9 2.0 4.1 Run 1 

4/2/2009 8:07 18.9 2.0 4.0 Run 1 

4/2/2009 8:07 18.9 2.0 3.9 Run 1 

4/2/2009 8:08 18.9 2.0 3.9 Run 1 

4/2/2009 8:08 18.9 2.0 3.9 Run 1 

4/2/2009 8:08 18.9 1.9 4.0 Run 1 

4/2/2009 8:09 18.9 1.9 4.1 Run 1 

4/2/2009 8:09 18.9 1.9 4.3 Run 1 

4/2/2009 8:09 18.9 1.9 4.5 Run 1 

4/2/2009 8:10 18.9 1.9 4.6 Run 1 

4/2/2009 8: 1 0 18.9 1.9 4.8 Run 1 

4/2/2009 8:10 18.9 1.9 5.0 Run 1 

4/2/2009 8:11 18.9 1.9 5.3 Run 1 

4/2/2009 8:11 18.9 1.9 5.6 Run 1 

4/2/2009 8: 11 18.9 2.0 5.9 Run 1 

4/2/20098:12 18.9 1.9 6.1 Run 1 

4/2/20098:12 18.9 2.0 6.3 Run 1 

4/2/2009 8:12 18.9 2.0 6.4 Run 1 

4/2/2009 8:13 18.8 2.0 6.5 Run 1 

4/2/2009 8:13 18.8 2.0 6.5 Run 1 

4/2/2009 8:13 18.9 2.0 6.5 Run 1 

4/2/20098:14 18.9 2.0 6.3 Run 1 

4/2/20098:14 18.8 2.0 6.1 Run 1 

4/2/2009 8:14 18.9 2.0 6.0 Run 1 

4/2/2009 8:15 18.8 2.0 6.1 Run 1 

4/2/2009 8:15 18.8 2.0 6.0 Run 1 

4/2/2009 8:15 18.8 2.0 5.9 Run 1 

4/2/20098:16 18.8 2.0 5.7 Run 1 

4/2/2009 8:16 18.8 2.0 5.5 Run 1 

Page 3 of 12 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02.fivg 

TS Percent Percent PPM 

4/2/2009 8:16 18.9 2.0 5.3 Run 1 

4/2/2009 8:17 18.9 2.0 5.2 Run 1 

4/2/2009 8: 17 18.9 2.0 5.1 Run 1 

4/2/2009 8:17 18.9 2.0 5.1 Run 1 

4/2/2009 8:18 18.9 2.0 5.1 Run 1 

4/2/20098:18 18.9 2.0 5.1 Run 1 

4/2/2009 8:18 18.9 1.9 5.3 Run 1 

4/2/2009 8:19 18.9 2.0 5.5 Run 1 

4/2/2009 8:19 18.9 1.9 5.7 Run 1 

4/2/20098:19 18.9 1.9 6.0 Run 1 

4/2/2009 8:20 18.9 1.9 6.3 Run 1 

4/2/2009 8:20 18.9 1.9 6.5 Run 1 

4/2/2009 8:20 18.9 1.9 6.8 Run 1 

4/2/2009 8:21 18.9 1.9 6.9 Run 1 

4/2/2009 8:21 18.9 1.9 7.0 Run 1 

4/2/2009 8:21 18.9 1.9 6.9 Run 1 

4/2/2009 8:22 18.9 1.9 6.7 Run 1 

4/2/20098:22 18.9 1.9 6.6 Run 1 

4/2/2009 8:22 18.9 1.9 6.4 Run 1 

4/2/2009 8:23 18.9 1.9 6.2 Run 1 

4/2/2009 8:23 18.9 1.9 6.0 Run 1 

4/2/20098:23 18.9 1.9 5.8 Run 1 

4/2/2009 8:24 18.9 1.9 5.7 Run 1 

4/2/2009 8:24 18.9 1.9 5.6 Run 1 

4/2/2009 8:24 18.9 1.9 5.3 Run 1 

4/2/2009 8 :25 18.9 1.9 5.4 Run 1 

4/2/2009 8:25 18.9 1.9 5.4 Run 1 

4/2/2009 8:25 18.9 1.9 5.4 Run 1 

4/2/2009 8:26 18.9 1.9 5.5 Run 1 

4/2/2009 8:26 18.9 1.9 5.5 Run 1 

4/2/2009 8:26 18.9 1.9 5.5 Run 1 

4/2/2009 8:27 18.9 2.0 5.4 Run 1 

4/2/2009 8:27 18.9 2.0 5.3 Run 1 

4/2/2009 8:27 18.9 2.0 5.4 Run 1 

4/2/2009 8:28 18.9 2.0 5.3 Run 1 

4/2/2009 8:28 18.9 2.0 5.3 Run 1 

4/2/2009 8:28 18.9 2.0 5.2 Run 1 

4/2/2009 8:29 18.9 2.0 5.1 Run 1 

4/2/2009 8:29 18.9 2.0 5.0 Run 1 

4/2/2009 8:29 18.9 2.0 4.9 Run 1 

4/2/2009 8:30 18.9 2.0 4.9 Run 1 

4/2/2009 8:30 18.9 2.0 4.9 Run 1 

4/2/2009 8:30 18.9 2.0 4.8 Run 1 

4/2/2009 8:31 18.9 1.9 4.8 Run 1 

4/2/2009 8:31 18.9 1.9 4.9 Run 1 

4/2/2009 8:31 18.9 2.0 4.9 Run 1 

4/2/2009 8:32 18.9 2.0 4.8 Run 1 

4/2/2009 8:32 18.9 1.9 4.7 Run 1 

4/2/2009 8:32 18.9 1.9 4.7 Run 1 

4/2/2009 8:33 18.9 1.9 4.8 Run 1 

4/2/2009 8:33 18.9 1.9 4.9 Run 1 

4/2/2009 8:33 18.9 1.9 5.0 Run 1 

4/2/2009 8:34 18.9 1.9 5.2 Run 1 

4/2/2009 8:34 18.9 1.9 5.5 Run 1 

4/2/2009 8:34 18.9 1.9 5.6 Run 1 

4/2/2009 8:35 18.9 1.9 5.7 Run 1 

4/2/2009 8:35 18.9 1.9 5.8 Run 1 

4/2/2009 8:35 18.9 2.0 5.7 Run 1 

4/2/2009 8:36 18.9 1.9 5.8 Run 1 

4/2/2009 8:36 18.9 2.0 5.9 Run 1 

4/2/2009 8:36 18.9 2.0 5.8 Run 1 

4/2/2009 8:37 18.9 2.0 5.7 Run 1 

4/2/2009 8:37 18.9 2.0 5.6 Run 1 

4/2/2009 8:37 18.9 2.0 5.5 Run 1 

4/2/2009 8:38 18.9 2.0 5.4 Run 1 

4/2/2009 8:38 18.9 2.0 5.2 Run 1 

4/2/2009 8:38 18.9 2.0 5.2 Run 1 

4/2/2009 8:39 18.9 1.9 5.2 Run 1 

4/2/2009 8:39 18.9 1.9 5.2 Run 1 

4/2/2009 8:39 18.9 1.9 5.1 Run 1 

4/2/2009 8:40 18.9 1.9 5.1 Run 1 

4/2/2009 8:40 18.9 1.9 5.2 Run 1 

4/2/2009 8:40 18.9 1.9 5.3 Run 1 

Page 4 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02.fivg 

TS Percent Percent PPM 

4/2/2009 8:16 18.9 2.0 5.3 Run 1 

4/2/2009 8:17 18.9 2.0 5.2 Run 1 

4/2/2009 8: 17 18.9 2.0 5.1 Run 1 

4/2/2009 8:17 18.9 2.0 5.1 Run 1 

4/2/2009 8:18 18.9 2.0 5.1 Run 1 

4/2/20098:18 18.9 2.0 5.1 Run 1 

4/2/2009 8:18 18.9 1.9 5.3 Run 1 

4/2/2009 8:19 18.9 2.0 5.5 Run 1 

4/2/2009 8:19 18.9 1.9 5.7 Run 1 

4/2/20098:19 18.9 1.9 6.0 Run 1 

4/2/2009 8:20 18.9 1.9 6.3 Run 1 

4/2/2009 8:20 18.9 1.9 6.5 Run 1 

4/2/2009 8:20 18.9 1.9 6.8 Run 1 

4/2/2009 8:21 18.9 1.9 6.9 Run 1 

4/2/2009 8:21 18.9 1.9 7.0 Run 1 

4/2/2009 8:21 18.9 1.9 6.9 Run 1 

4/2/2009 8:22 18.9 1.9 6.7 Run 1 

4/2/20098:22 18.9 1.9 6.6 Run 1 

4/2/2009 8:22 18.9 1.9 6.4 Run 1 

4/2/2009 8:23 18.9 1.9 6.2 Run 1 

4/2/2009 8:23 18.9 1.9 6.0 Run 1 

4/2/20098:23 18.9 1.9 5.8 Run 1 

4/2/2009 8:24 18.9 1.9 5.7 Run 1 

4/2/2009 8:24 18.9 1.9 5.6 Run 1 

4/2/2009 8:24 18.9 1.9 5.3 Run 1 

4/2/2009 8 :25 18.9 1.9 5.4 Run 1 

4/2/2009 8:25 18.9 1.9 5.4 Run 1 

4/2/2009 8:25 18.9 1.9 5.4 Run 1 

4/2/2009 8:26 18.9 1.9 5.5 Run 1 

4/2/2009 8:26 18.9 1.9 5.5 Run 1 

4/2/2009 8:26 18.9 1.9 5.5 Run 1 

4/2/2009 8:27 18.9 2.0 5.4 Run 1 

4/2/2009 8:27 18.9 2.0 5.3 Run 1 

4/2/2009 8:27 18.9 2.0 5.4 Run 1 

4/2/2009 8:28 18.9 2.0 5.3 Run 1 

4/2/2009 8:28 18.9 2.0 5.3 Run 1 

4/2/2009 8:28 18.9 2.0 5.2 Run 1 

4/2/2009 8:29 18.9 2.0 5.1 Run 1 

4/2/2009 8:29 18.9 2.0 5.0 Run 1 

4/2/2009 8:29 18.9 2.0 4.9 Run 1 

4/2/2009 8:30 18.9 2.0 4.9 Run 1 

4/2/2009 8:30 18.9 2.0 4.9 Run 1 

4/2/2009 8:30 18.9 2.0 4.8 Run 1 

4/2/2009 8:31 18.9 1.9 4.8 Run 1 

4/2/2009 8:31 18.9 1.9 4.9 Run 1 

4/2/2009 8:31 18.9 2.0 4.9 Run 1 

4/2/2009 8:32 18.9 2.0 4.8 Run 1 

4/2/2009 8:32 18.9 1.9 4.7 Run 1 

4/2/2009 8:32 18.9 1.9 4.7 Run 1 

4/2/2009 8:33 18.9 1.9 4.8 Run 1 

4/2/2009 8:33 18.9 1.9 4.9 Run 1 

4/2/2009 8:33 18.9 1.9 5.0 Run 1 

4/2/2009 8:34 18.9 1.9 5.2 Run 1 

4/2/2009 8:34 18.9 1.9 5.5 Run 1 

4/2/2009 8:34 18.9 1.9 5.6 Run 1 

4/2/2009 8:35 18.9 1.9 5.7 Run 1 

4/2/2009 8:35 18.9 1.9 5.8 Run 1 

4/2/2009 8:35 18.9 2.0 5.7 Run 1 

4/2/2009 8:36 18.9 1.9 5.8 Run 1 

4/2/2009 8:36 18.9 2.0 5.9 Run 1 

4/2/2009 8:36 18.9 2.0 5.8 Run 1 

4/2/2009 8:37 18.9 2.0 5.7 Run 1 

4/2/2009 8:37 18.9 2.0 5.6 Run 1 

4/2/2009 8:37 18.9 2.0 5.5 Run 1 

4/2/2009 8:38 18.9 2.0 5.4 Run 1 

4/2/2009 8:38 18.9 2.0 5.2 Run 1 

4/2/2009 8:38 18.9 2.0 5.2 Run 1 

4/2/2009 8:39 18.9 1.9 5.2 Run 1 

4/2/2009 8:39 18.9 1.9 5.2 Run 1 

4/2/2009 8:39 18.9 1.9 5.1 Run 1 

4/2/2009 8:40 18.9 1.9 5.1 Run 1 

4/2/2009 8:40 18.9 1.9 5.2 Run 1 

4/2/2009 8:40 18.9 1.9 5.3 Run 1 

Page 4 of 12 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 8:41 18.9 2.0 5.4 Run 1 

4/2/2009 8:41 18.9 2.0 5.5 Run 1 

4/2/2009 8:41 18.9 2.0 5.6 Run 1 

4/2/2009 8:42 18.8 2.0 5.6 Run 1 

4/2/2009 8:42 18.9 2.0 5.7 Run 1 

4/2/2009 8:42 18.8 2.0 5.7 Run 1 

4/2/2009 8:43 18.9 2.0 5.7 Run 1 

4/2/2009 8:43 18.9 1.9 5.7 Run 1 

4/2/2009 8:43 18.9 2.0 5.7 Run 1 

4/2/2009 8:44 18.9 1.9 5.7 Run 1 

4/2/2009 8:44 18.9 1.9 5.8 Run 1 

4/2/2009 8:44 18.9 1.9 6.0 Run 1 

4/2/2009 8:45 18.9 1.9 6.0 Run 1 

4/2/2009 8:45 18.9 1.9 6.1 Run 1 

4/2/2009 8:45 18.9 1.9 6.1 Run 1 

4/2/2009 8:46 18.9 1.9 6.1 Run 1 

4/2/2009 8:46 18.9 1.9 6.2 Run 1 

4/2/2009 8:46 18.9 2.0 6.2 Run 1 

4/2/2009 8:47 18.9 1.9 6.0 Run 1 

4/2/2009 8:47 18.9 1.9 6.0 Run 1 

4/2/2009 8:47 18.9 1.9 5.9 Run 1 

4/2/2009 8:48 18.9 1.9 5.8 Run 1 

4/2/2009 8:48 18.9 1.9 5.8 Run 1 

4/2/2009 8:48 18.9 1.9 5.9 Run 1 

4/2/2009 8:49 18.9 1.9 6.2 Run 1 

4/2/2009 8:49 18.9 1.9 6.3 Run 1 

4/2/2009 8:49 18.9 1.9 6.4 Run 1 

4/2/2009 8:50 18.9 2.0 6.4 Run 1 

4/2/2009 8:50 18.9 2.0 6.5 Run 1 

4/2/2009 8:50 18.9 2.0 6.5 Run 1 

4/2/2009 8:51 18.9 2.0 6.6 Run 1 

4/2/2009 8:51 18.9 1.9 6.6 Run 1 

4/2/2009 8:51 18.9 1.9 6.5 Run 1 

4/2/2009 8:52 18.9 1.9 6.6 Run 1 

4/2/2009 8:52 18.9 1.9 6.4 Run 1 

4/2/2009 8:52 18.9 1.9 6.2 Run 1 

4/2/2009 8:53 18.9 1.9 6.1 Run 1 

4/2/2009 8:53 18.9 1.9 6.2 Run 1 

4/2/2009 8:53 18.9 1.9 6.2 Run 1 

4/2/2009 8:54 18.9 1.9 6.2 Run 1 

4/2/2009 8:54 18.9 1.9 6.2 Run 1 

4/2/2009 8:54 18.9 1.9 6.3 Run 1 

4/2/2009 8:55 18.9 1.9 6.2 Run 1 

4/2/2009 8:55 18.9 1.9 6.1 Run 1 

4/2/2009 8:55 18.9 1.9 6.1 Run 1 

4/2/2009 8:56 18.9 1.9 6.1 Run 1 

4/2/2009 8:56 18.9 1.9 6.1 Run 1 

4/2/2009 8:56 18.9 1.9 6.1 Run 1 

4/2/2009 8:57 18.9 1.9 6.2 Run 1 

4/2/2009 8:57 18.9 1.9 6.1 Run 1 

4/2/2009 8:57 18.9 1.9 6.1 Run 1 

4/2/2009 8:58 18.9 1.9 6.2 Run 1 

4/2/20098:58 18.9 1.9 6.2 Run 1 

4/2/2009 8:58 18.9 1.9 6.2 Run 1 

4/2/2009 8:59 18.9 1.9 6.2 Run 1 

4/2/2009 8:59 18.9 1.9 6.0 Run 1 

4/2/2009 8:59 18.9 1.9 5.9 Run 1 

4/2/2009 9:00 18.9 1.9 5.7 

4/2/2009 9:00 18.9 2.0 5.6 

4/2/2009 9:00 18.9 1.9 5.5 

4/2/2009 9:01 18.9 1.9 5.4 

4/2/2009 9:01 18.9 2.0 5.4 

4/2/2009 9:01 18.9 2.0 5.3 

4/2/2009 9:02 18.9 1.9 5.2 

4/2/2009 9:02 18.8 1.9 5.1 

4/2/2009 9:02 4.2 0.4 5.0 

4/2/2009 9:03 0.2 0.1 4.6 Bias Drift Check 

4/2/2009 9:03 0.2 0.1 3.9 Bias Drift Check 

4/2/2009 9:03 0.1 0.0 3.3 Bias Drift Check 

4/2/2009 9:04 0.1 0.0 2.7 Bias Drift Check 

4/2/2009 9:04 0.1 0.0 2.4 Bias Drift Check 

4/2/2009 9:04 0.1 0.0 2.1 Bias Drift Check 

4/2/2009 9:05 0.2 0.0 2.1 Bias Drift Check 

Page 5 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 8:41 18.9 2.0 5.4 Run 1 

4/2/2009 8:41 18.9 2.0 5.5 Run 1 

4/2/2009 8:41 18.9 2.0 5.6 Run 1 

4/2/2009 8:42 18.8 2.0 5.6 Run 1 

4/2/2009 8:42 18.9 2.0 5.7 Run 1 

4/2/2009 8:42 18.8 2.0 5.7 Run 1 

4/2/2009 8:43 18.9 2.0 5.7 Run 1 

4/2/2009 8:43 18.9 1.9 5.7 Run 1 

4/2/2009 8:43 18.9 2.0 5.7 Run 1 

4/2/2009 8:44 18.9 1.9 5.7 Run 1 

4/2/2009 8:44 18.9 1.9 5.8 Run 1 

4/2/2009 8:44 18.9 1.9 6.0 Run 1 

4/2/2009 8:45 18.9 1.9 6.0 Run 1 

4/2/2009 8:45 18.9 1.9 6.1 Run 1 

4/2/2009 8:45 18.9 1.9 6.1 Run 1 

4/2/2009 8:46 18.9 1.9 6.1 Run 1 

4/2/2009 8:46 18.9 1.9 6.2 Run 1 

4/2/2009 8:46 18.9 2.0 6.2 Run 1 

4/2/2009 8:47 18.9 1.9 6.0 Run 1 

4/2/2009 8:47 18.9 1.9 6.0 Run 1 

4/2/2009 8:47 18.9 1.9 5.9 Run 1 

4/2/2009 8:48 18.9 1.9 5.8 Run 1 

4/2/2009 8:48 18.9 1.9 5.8 Run 1 

4/2/2009 8:48 18.9 1.9 5.9 Run 1 

4/2/2009 8:49 18.9 1.9 6.2 Run 1 

4/2/2009 8:49 18.9 1.9 6.3 Run 1 

4/2/2009 8:49 18.9 1.9 6.4 Run 1 

4/2/2009 8:50 18.9 2.0 6.4 Run 1 

4/2/2009 8:50 18.9 2.0 6.5 Run 1 

4/2/2009 8:50 18.9 2.0 6.5 Run 1 

4/2/2009 8:51 18.9 2.0 6.6 Run 1 

4/2/2009 8:51 18.9 1.9 6.6 Run 1 

4/2/2009 8:51 18.9 1.9 6.5 Run 1 

4/2/2009 8:52 18.9 1.9 6.6 Run 1 

4/2/2009 8:52 18.9 1.9 6.4 Run 1 

4/2/2009 8:52 18.9 1.9 6.2 Run 1 

4/2/2009 8:53 18.9 1.9 6.1 Run 1 

4/2/2009 8:53 18.9 1.9 6.2 Run 1 

4/2/2009 8:53 18.9 1.9 6.2 Run 1 

4/2/2009 8:54 18.9 1.9 6.2 Run 1 

4/2/2009 8:54 18.9 1.9 6.2 Run 1 

4/2/2009 8:54 18.9 1.9 6.3 Run 1 

4/2/2009 8:55 18.9 1.9 6.2 Run 1 

4/2/2009 8:55 18.9 1.9 6.1 Run 1 

4/2/2009 8:55 18.9 1.9 6.1 Run 1 

4/2/2009 8:56 18.9 1.9 6.1 Run 1 

4/2/2009 8:56 18.9 1.9 6.1 Run 1 

4/2/2009 8:56 18.9 1.9 6.1 Run 1 

4/2/2009 8:57 18.9 1.9 6.2 Run 1 

4/2/2009 8:57 18.9 1.9 6.1 Run 1 

4/2/2009 8:57 18.9 1.9 6.1 Run 1 

4/2/2009 8:58 18.9 1.9 6.2 Run 1 

4/2/20098:58 18.9 1.9 6.2 Run 1 

4/2/2009 8:58 18.9 1.9 6.2 Run 1 

4/2/2009 8:59 18.9 1.9 6.2 Run 1 

4/2/2009 8:59 18.9 1.9 6.0 Run 1 

4/2/2009 8:59 18.9 1.9 5.9 Run 1 

4/2/2009 9:00 18.9 1.9 5.7 

4/2/2009 9:00 18.9 2.0 5.6 

4/2/2009 9:00 18.9 1.9 5.5 

4/2/2009 9:01 18.9 1.9 5.4 

4/2/2009 9:01 18.9 2.0 5.4 

4/2/2009 9:01 18.9 2.0 5.3 

4/2/2009 9:02 18.9 1.9 5.2 

4/2/2009 9:02 18.8 1.9 5.1 

4/2/2009 9:02 4.2 0.4 5.0 

4/2/2009 9:03 0.2 0.1 4.6 Bias Drift Check 

4/2/2009 9:03 0.2 0.1 3.9 Bias Drift Check 

4/2/2009 9:03 0.1 0.0 3.3 Bias Drift Check 

4/2/2009 9:04 0.1 0.0 2.7 Bias Drift Check 

4/2/2009 9:04 0.1 0.0 2.4 Bias Drift Check 

4/2/2009 9:04 0.1 0.0 2.1 Bias Drift Check 

4/2/2009 9:05 0.2 0.0 2.1 Bias Drift Check 

Page 5 of 12 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 9:05 0.1 0.0 3.6 Bias Drift Check 

4/2/2009 9:05 0.1 0.0 6.4 Bias Drift Check 

4/2/2009 9:06 0.1 0.0 7.4 Bias Drift Check 

4/2/2009 9:06 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 9:06 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 9:07 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 9:07 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 9:07 8.9 2.2 6.9 Bias Drift Check 

4/2/2009 9:08 20.9 4.8 3.7 Bias Drift Check 

4/2/2009 9:08 21.0 4.8 0.7 Bias Drift Check 

4/2/2009 9:08 21.0 4.8 0.3 Bias Drift Check 

4/2/2009 9:09 21.0 4.9 0.3 Bias Drift Check 

4/2/2009 9:09 21.0 4.9 0.3 Bias Drift Check 

4/2/20099:09 21.1 4.9 0.3 Bias Drift Check 

4/2/20099:10 19.6 2.8 0.3 Bias Drift Check 

4/2/20099:10 18.9 1.9 0.7 Bias Drift Check 

4/2/2009 9:10 18.9 1.9 1.5 In Stack 

4/2/2009 9:11 18.9 1.9 2.2 In Stack 

4/2/2009 9:11 18.9 1.9 3.0 In Stack 

4/2/2009 9:11 18.9 1.9 3.6 In Stack 

4/2/2009 9:12 18.9 1.9 4.0 In Stack 

4/2/2009 9: 12 18.9 1.9 4.4 In Stack 

4/2/20099:12 18.9 1.9 4.6 In Stack 

4/2/2009 9:13 18.9 1.9 4.8 In Stack 

4/2/20099:13 18.9 1.9 4.8 In Stack 

4/2/2009 9:13 18.9 1.9 4.8 In Stack 

4/2/20099:14 18.9 1.9 4.7 In Stack 

4/2/20099:14 18.9 1.9 4.7 In Stack 

4/2/20099:14 18.9 1.9 4.6 In Stack 

4/2/2009 9:15 18.9 1.9 4.7 In Stack 

4/2/2009 9:15 18.9 1.9 4.8 In Stack 

4/2/20099:15 18.9 1.9 4.7 In Stack 

4/2/2009 9:16 18.9 1.9 4.4 In Stack 

4/2/20099:16 18.9 1.9 4.4 In Stack 

4/2/2009 9:16 18.9 1.9 4.4 In Stack 

4/2/20099:17 18.9 1.9 4.4 In Stack 

4/2/2009 9:17 18.9 1.9 4.5 In Stack 

4/2/2009 9:17 18.9 1.9 4.5 In Stack 

4/2/2009 9:18 18.9 1.9 4.5 In Stack 

4/2/2009 9:18 18.9 1.9 4.5 In Stack 

4/2/2009 9:18 18.9 1.9 4.6 In Stack 

4/2/2009 9:19 18.9 1.9 4.7 In Stack 

4/2/2009 9:19 18.9 1.9 4.8 In Stack 

4/2/2009 9:19 18.9 1.9 4.9 In Stack 

4/2/2009 9:20 18.9 1.9 5.0 Run 2 

4/2/2009 9:20 18.9 1.9 5.1 Run 2 

4/2/2009 9:20 18.9 1.9 5.2 Run 2 

4/2/2009 9:21 18.9 1.9 5.1 Run 2 

4/2/2009 9:21 18.9 1.9 5.0 Run 2 

4/2/2009 9:21 18.9 1.9 5.0 Run 2 

4/2/2009 9:22 18.9 1.9 4.9 Run 2 

4/2/2009 9:22 18.9 1.9 4.8 Run 2 

4/2/2009 9:22 18.9 1.9 4.7 Run 2 

4/2/2009 9:23 18.9 1.9 4.6 Run 2 

4/2/2009 9:23 18.9 1.9 4.5 Run 2 

4/2/2009 9:23 18.9 1.9 4.5 Run 2 

4/2/2009 9:24 18.9 1.9 4.4 Run 2 

4/2/2009 9:24 18.9 1.9 4.3 Run 2 

4/2/2009 9:24 18.9 1.9 4.3 Run 2 

4/2/2009 9:25 18.9 1.9 4.5 Run 2 

4/2/2009 9:25 18.9 1.9 4.5 Run 2 

4/2/2009 9:25 18.9 1.9 4.6 Run 2 

4/2/2009 9:26 18.9 1.9 4.7 Run 2 

4/2/2009 9:26 18.9 1.9 4.8 Run 2 

4/2/2009 9:26 18.9 1.9 5.0 Run 2 

4/2/2009 9:27 18.9 1.9 5.1 Run 2 

4/2/2009 9:27 18.9 1.9 5.1 Run 2 

4/2/2009 9:27 18.9 1.9 5.2 Run 2 

4/2/2009 9:28 18.9 1.9 5.2 Run 2 

4/2/2009 9:28 18.9 1.9 5.2 Run 2 

4/2/2009 9:28 18.8 2.0 5.2 Run 2 

4/2/2009 9:29 18.8 2.0 5.0 Run 2 

4/2/2009 9:29 18.9 1.9 5.0 Run 2 

Page 6 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 9:05 0.1 0.0 3.6 Bias Drift Check 

4/2/2009 9:05 0.1 0.0 6.4 Bias Drift Check 

4/2/2009 9:06 0.1 0.0 7.4 Bias Drift Check 

4/2/2009 9:06 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 9:06 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 9:07 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 9:07 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 9:07 8.9 2.2 6.9 Bias Drift Check 

4/2/2009 9:08 20.9 4.8 3.7 Bias Drift Check 

4/2/2009 9:08 21.0 4.8 0.7 Bias Drift Check 

4/2/2009 9:08 21.0 4.8 0.3 Bias Drift Check 

4/2/2009 9:09 21.0 4.9 0.3 Bias Drift Check 

4/2/2009 9:09 21.0 4.9 0.3 Bias Drift Check 

4/2/20099:09 21.1 4.9 0.3 Bias Drift Check 

4/2/20099:10 19.6 2.8 0.3 Bias Drift Check 

4/2/20099:10 18.9 1.9 0.7 Bias Drift Check 

4/2/2009 9:10 18.9 1.9 1.5 In Stack 

4/2/2009 9:11 18.9 1.9 2.2 In Stack 

4/2/2009 9:11 18.9 1.9 3.0 In Stack 

4/2/2009 9:11 18.9 1.9 3.6 In Stack 

4/2/2009 9:12 18.9 1.9 4.0 In Stack 

4/2/2009 9: 12 18.9 1.9 4.4 In Stack 

4/2/20099:12 18.9 1.9 4.6 In Stack 

4/2/2009 9:13 18.9 1.9 4.8 In Stack 

4/2/20099:13 18.9 1.9 4.8 In Stack 

4/2/2009 9:13 18.9 1.9 4.8 In Stack 

4/2/20099:14 18.9 1.9 4.7 In Stack 

4/2/20099:14 18.9 1.9 4.7 In Stack 

4/2/20099:14 18.9 1.9 4.6 In Stack 

4/2/2009 9:15 18.9 1.9 4.7 In Stack 

4/2/2009 9:15 18.9 1.9 4.8 In Stack 

4/2/20099:15 18.9 1.9 4.7 In Stack 

4/2/2009 9:16 18.9 1.9 4.4 In Stack 

4/2/20099:16 18.9 1.9 4.4 In Stack 

4/2/2009 9:16 18.9 1.9 4.4 In Stack 

4/2/20099:17 18.9 1.9 4.4 In Stack 

4/2/2009 9:17 18.9 1.9 4.5 In Stack 

4/2/2009 9:17 18.9 1.9 4.5 In Stack 

4/2/2009 9:18 18.9 1.9 4.5 In Stack 

4/2/2009 9:18 18.9 1.9 4.5 In Stack 

4/2/2009 9:18 18.9 1.9 4.6 In Stack 

4/2/2009 9:19 18.9 1.9 4.7 In Stack 

4/2/2009 9:19 18.9 1.9 4.8 In Stack 

4/2/2009 9:19 18.9 1.9 4.9 In Stack 

4/2/2009 9:20 18.9 1.9 5.0 Run 2 

4/2/2009 9:20 18.9 1.9 5.1 Run 2 

4/2/2009 9:20 18.9 1.9 5.2 Run 2 

4/2/2009 9:21 18.9 1.9 5.1 Run 2 

4/2/2009 9:21 18.9 1.9 5.0 Run 2 

4/2/2009 9:21 18.9 1.9 5.0 Run 2 

4/2/2009 9:22 18.9 1.9 4.9 Run 2 

4/2/2009 9:22 18.9 1.9 4.8 Run 2 

4/2/2009 9:22 18.9 1.9 4.7 Run 2 

4/2/2009 9:23 18.9 1.9 4.6 Run 2 

4/2/2009 9:23 18.9 1.9 4.5 Run 2 

4/2/2009 9:23 18.9 1.9 4.5 Run 2 

4/2/2009 9:24 18.9 1.9 4.4 Run 2 

4/2/2009 9:24 18.9 1.9 4.3 Run 2 

4/2/2009 9:24 18.9 1.9 4.3 Run 2 

4/2/2009 9:25 18.9 1.9 4.5 Run 2 

4/2/2009 9:25 18.9 1.9 4.5 Run 2 

4/2/2009 9:25 18.9 1.9 4.6 Run 2 

4/2/2009 9:26 18.9 1.9 4.7 Run 2 

4/2/2009 9:26 18.9 1.9 4.8 Run 2 

4/2/2009 9:26 18.9 1.9 5.0 Run 2 

4/2/2009 9:27 18.9 1.9 5.1 Run 2 

4/2/2009 9:27 18.9 1.9 5.1 Run 2 

4/2/2009 9:27 18.9 1.9 5.2 Run 2 

4/2/2009 9:28 18.9 1.9 5.2 Run 2 

4/2/2009 9:28 18.9 1.9 5.2 Run 2 

4/2/2009 9:28 18.8 2.0 5.2 Run 2 

4/2/2009 9:29 18.8 2.0 5.0 Run 2 

4/2/2009 9:29 18.9 1.9 5.0 Run 2 

Page 6 of 12 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 9:29 18.9 1.9 4.8 Run 2 

4/2/2009 9:30 18.9 1.9 4.6 Run 2 

4/2/2009 9:30 18.9 1.9 4.5 Run 2 

4/2/2009 9:30 18.9 1.9 4.4 Run 2 

4/2/20099:31 18.8 2.0 4.4 Run 2 

4/2/2009 9:31 18.9 1.9 4.2 Run 2 

4/2/20099:31 18.9 1.9 4.1 Run 2 

4/2/2009 9:32 18.8 2.0 4.1 Run 2 

4/2/2009 9:32 18.8 2.0 4.1 Run 2 

4/2/2009 9:32 18.8 2.0 4.0 Run 2 

4/2/2009 9:33 18.9 1.9 4.1 Run 2 

4/2/2009 9:33 18.8 1.9 4.1 Run 2 

4/2/2009 9:33 18.9 1.9 4.0 Run 2 

4/2/2009 9:34 18.9 1.9 4.0 Run 2 

4/2/2009 9:34 18.9 1.9 4.1 Run 2 

4/2/2009 9:34 18.8 1.9 4.2 Run 2 

4/2/2009 9:35 18.9 1.9 4.4 Run 2 

4/2/2009 9:35 18.9 1.9 4.6 Run 2 

4/2/2009 9:35 18.9 1.9 4.9 Run 2 

4/2/2009 9:36 18.9 1.9 5.1 Run 2 

4/2/2009 9:36 18.9 1.9 5.2 Run 2 

4/2/2009 9:36 18.9 1.9 5.3 Run 2 

4/2/2009 9:37 18.9 1.9 5.4 Run 2 

4/2/2009 9:37 18.9 1.9 5.4 Run 2 

4/2/2009 9:37 18.9 1.9 5.3 Run 2 

4/2/2009 9:38 18.9 1.9 5.1 Run 2 

4/2/2009 9:38 18.9 1.9 5.0 Run 2 

4/2/2009 9:38 18.9 1.9 4.8 Run 2 

4/2/2009 9:39 18.9 1.9 4.6 Run 2 

4/2/2009 9:39 18.9 1.9 4.6 Run 2 

4/2/2009 9:39 18.9 1.9 4.5 Run 2 

4/2/2009 9:40 18.9 1.9 4.4 Run 2 

4/2/2009 9:40 18.9 1.9 4.4 Run 2 

4/2/2009 9:40 18.9 1.9 4.3 Run 2 

4/2/2009 9:41 18.9 1.9 4.4 Run 2 

4/2/2009 9:41 18.9 1.9 4.3 Run 2 

4/2/2009 9:41 18.9 1.9 4.3 Run 2 

4/2/2009 9:42 18.9 1.9 4.3 Run 2 

4/2/2009 9:42 18.9 1.9 4.3 Run 2 

4/2/2009 9:42 18.9 1.9 4.2 Run 2 

4/2/2009 9:43 18.9 1.9 4.3 Run 2 

4/2/2009 9:43 18.9 1.9 4.3 Run 2 

4/2/2009 9:43 18.9 1.9 4.3 Run 2 

4/2/2009 9:44 18.9 1.9 4.4 Run 2 

4/2/2009 9:44 18.9 1.9 4.6 Run 2 

4/2/2009 9:44 18.9 1.9 4.7 Run 2 

4/2/2009 9:45 18.9 1.9 4.9 Run 2 

4/2/2009 9:45 18.9 1.9 5.0 Run 2 

4/2/2009 9:45 18.9 1.9 5.0 Run 2 

4/2/2009 9:46 18.9 1.9 5.1 Run 2 

4/2/2009 9:46 18.9 1.9 5.1 Run 2 

4/2/2009 9:46 18.9 1.9 5.0 Run 2 

4/2/20099:47 18.9 1.9 5.0 Run 2 

4/2/20099:47 18.9 1.9 4.9 Run 2 

4/2/2009 9:47 18.9 1.9 4.8 Run 2 

4/2/2009 9:48 18.9 1.9 4.7 Run 2 

4/2/2009 9:48 18.9 1.9 4.8 Run 2 

4/2/2009 9:48 18.9 1.9 4.9 Run 2 

4/2/2009 9:49 18.9 1.9 4.9 Run 2 

4/2/2009 9:49 18.9 1.9 5.0 Run 2 

4/2/2009 9:49 18.9 1.9 4.9 Run 2 

4/2/2009 9:50 18.8 1.9 4.9 Run 2 

4/2/2009 9:50 18.9 1.9 4.8 Run 2 

4/2/2009 9:50 18.8 2.0 4.7 Run 2 

4/2/2009 9:51 18.8 2.0 4.7 Run 2 

4/2/2009 9:51 18.9 1.9 4.5 Run 2 

4/2/2009 9:51 18.9 1.9 4.5 Run 2 

4/2/2009 9:52 18.9 1.9 4.5 Run 2 

4/2/2009 9:52 18.9 1.9 4.5 Run 2 

4/2/2009 9:52 18.9 1.9 4.5 Run 2 

4/2/2009 9:53 18.9 1.9 4.5 Run 2 

4/2/2009 9:53 18.9 1.9 4.6 Run 2 

4/2/2009 9:53 18.9 1.9 4.6 Run 2 

Page 7 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 9:29 18.9 1.9 4.8 Run 2 

4/2/2009 9:30 18.9 1.9 4.6 Run 2 

4/2/2009 9:30 18.9 1.9 4.5 Run 2 

4/2/2009 9:30 18.9 1.9 4.4 Run 2 

4/2/20099:31 18.8 2.0 4.4 Run 2 

4/2/2009 9:31 18.9 1.9 4.2 Run 2 

4/2/20099:31 18.9 1.9 4.1 Run 2 

4/2/2009 9:32 18.8 2.0 4.1 Run 2 

4/2/2009 9:32 18.8 2.0 4.1 Run 2 

4/2/2009 9:32 18.8 2.0 4.0 Run 2 

4/2/2009 9:33 18.9 1.9 4.1 Run 2 

4/2/2009 9:33 18.8 1.9 4.1 Run 2 

4/2/2009 9:33 18.9 1.9 4.0 Run 2 

4/2/2009 9:34 18.9 1.9 4.0 Run 2 

4/2/2009 9:34 18.9 1.9 4.1 Run 2 

4/2/2009 9:34 18.8 1.9 4.2 Run 2 

4/2/2009 9:35 18.9 1.9 4.4 Run 2 

4/2/2009 9:35 18.9 1.9 4.6 Run 2 

4/2/2009 9:35 18.9 1.9 4.9 Run 2 

4/2/2009 9:36 18.9 1.9 5.1 Run 2 

4/2/2009 9:36 18.9 1.9 5.2 Run 2 

4/2/2009 9:36 18.9 1.9 5.3 Run 2 

4/2/2009 9:37 18.9 1.9 5.4 Run 2 

4/2/2009 9:37 18.9 1.9 5.4 Run 2 

4/2/2009 9:37 18.9 1.9 5.3 Run 2 

4/2/2009 9:38 18.9 1.9 5.1 Run 2 

4/2/2009 9:38 18.9 1.9 5.0 Run 2 

4/2/2009 9:38 18.9 1.9 4.8 Run 2 

4/2/2009 9:39 18.9 1.9 4.6 Run 2 

4/2/2009 9:39 18.9 1.9 4.6 Run 2 

4/2/2009 9:39 18.9 1.9 4.5 Run 2 

4/2/2009 9:40 18.9 1.9 4.4 Run 2 

4/2/2009 9:40 18.9 1.9 4.4 Run 2 

4/2/2009 9:40 18.9 1.9 4.3 Run 2 

4/2/2009 9:41 18.9 1.9 4.4 Run 2 

4/2/2009 9:41 18.9 1.9 4.3 Run 2 

4/2/2009 9:41 18.9 1.9 4.3 Run 2 

4/2/2009 9:42 18.9 1.9 4.3 Run 2 

4/2/2009 9:42 18.9 1.9 4.3 Run 2 

4/2/2009 9:42 18.9 1.9 4.2 Run 2 

4/2/2009 9:43 18.9 1.9 4.3 Run 2 

4/2/2009 9:43 18.9 1.9 4.3 Run 2 

4/2/2009 9:43 18.9 1.9 4.3 Run 2 

4/2/2009 9:44 18.9 1.9 4.4 Run 2 

4/2/2009 9:44 18.9 1.9 4.6 Run 2 

4/2/2009 9:44 18.9 1.9 4.7 Run 2 

4/2/2009 9:45 18.9 1.9 4.9 Run 2 

4/2/2009 9:45 18.9 1.9 5.0 Run 2 

4/2/2009 9:45 18.9 1.9 5.0 Run 2 

4/2/2009 9:46 18.9 1.9 5.1 Run 2 

4/2/2009 9:46 18.9 1.9 5.1 Run 2 

4/2/2009 9:46 18.9 1.9 5.0 Run 2 

4/2/20099:47 18.9 1.9 5.0 Run 2 

4/2/20099:47 18.9 1.9 4.9 Run 2 

4/2/2009 9:47 18.9 1.9 4.8 Run 2 

4/2/2009 9:48 18.9 1.9 4.7 Run 2 

4/2/2009 9:48 18.9 1.9 4.8 Run 2 

4/2/2009 9:48 18.9 1.9 4.9 Run 2 

4/2/2009 9:49 18.9 1.9 4.9 Run 2 

4/2/2009 9:49 18.9 1.9 5.0 Run 2 

4/2/2009 9:49 18.9 1.9 4.9 Run 2 

4/2/2009 9:50 18.8 1.9 4.9 Run 2 

4/2/2009 9:50 18.9 1.9 4.8 Run 2 

4/2/2009 9:50 18.8 2.0 4.7 Run 2 

4/2/2009 9:51 18.8 2.0 4.7 Run 2 

4/2/2009 9:51 18.9 1.9 4.5 Run 2 

4/2/2009 9:51 18.9 1.9 4.5 Run 2 

4/2/2009 9:52 18.9 1.9 4.5 Run 2 

4/2/2009 9:52 18.9 1.9 4.5 Run 2 

4/2/2009 9:52 18.9 1.9 4.5 Run 2 

4/2/2009 9:53 18.9 1.9 4.5 Run 2 

4/2/2009 9:53 18.9 1.9 4.6 Run 2 

4/2/2009 9:53 18.9 1.9 4.6 Run 2 

Page 7 of 12 
ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 9:54 18.9 1.9 4.6 Run 2 

4/2/2009 9:54 18.9 1.8 4.6 Run 2 

4/2/2009 9:54 18.9 1.9 4.6 Run 2 

4/2/2009 9:55 18.9 1.8 4.6 Run 2 

4/2/2009 9:55 18.9 1.9 4.6 Run 2 

4/2/2009 9:55 18.9 1.8 4.7 Run 2 

4/2/2009 9:56 18.9 1.8 4.8 Run 2 

4/2/2009 9:56 18.9 1.8 4.9 Run 2 

4/2/2009 9:56 18.9 1.8 5.1 Run 2 

4/2/2009 9:57 18.9 1.9 5.1 Run 2 

4/2/2009 9:57 18.9 1.8 5.1 Run 2 

4/2/2009 9:57 18.9 1.9 5.2 Run 2 

4/2/2009 9:58 18.9 1.9 5.4 Run 2 

4/2/2009 9:58 18.9 1.9 5.5 Run 2 

4/2/2009 9:58 18.9 1.9 5.7 Run 2 

4/2/2009 9:59 18.9 1.9 5.8 Run 2 

4/2/2009 9:59 18.9 1.9 5.7 Run 2 

4/2/2009 9:59 18.9 1.9 5.6 Run 2 

4/2/2009 10:00 18.9 1.9 5.5 Run 2 

4/2/2009 10:00 18.9 1.9 5.6 Run 2 

4/2/2009 10:00 18.9 1.9 5.6 Run 2 

4/2/2009 10:01 18.9 1.9 5.5 Run 2 

4/2/2009 10:01 18.9 1.9 5.5 Run 2 

4/2/2009 10:01 18.9 1.9 5.4 Run 2 

4/2/2009 10:02 18.9 1.9 5.1 Run 2 

4/2/2009 10:02 18.9 1.9 4.9 Run 2 

4/2/2009 10:02 18.9 1.9 4.7 Run 2 

4/2/2009 10:03 18.9 1.9 4.4 Run 2 

4/2/2009 10:03 18.9 1.9 4.2 Run 2 

4/2/2009 10:03 18.9 1.9 4.1 Run 2 

4/2/2009 10:04 18.9 1.9 4.0 Run 2 

4/2/2009 10:04 18.9 1.9 4.0 Run 2 

4/2/2009 10:04 18.9 1.9 4.1 Run 2 

4/2/2009 10:05 18.9 1.9 4.2 Run 2 

4/2/2009 10:05 18.9 1.9 4.1 Run 2 

4/2/2009 10:05 18.9 1.9 4.1 Run 2 

4/2/2009 10:06 18.9 1.9 4.3 Run 2 

4/2/2009 10:06 18.9 1.9 4.3 Run 2 

4/2/2009 10:06 18.9 1.9 4.4 Run 2 

4/2/2009 10:07 18.9 1.9 4.5 Run 2 

4/2/2009 10:07 18.9 1.9 4.5 Run 2 

4/2/2009 10:07 18.9 1.9 4.6 Run 2 

4/2/2009 10:08 18.9 1.9 4.6 Run 2 

4/2/2009 10:08 18.9 1.9 4.7 Run 2 

4/2/2009 10:08 18.9 1.9 4.8 Run 2 

4/2/2009 10:09 18.9 1.9 4.8 Run 2 

4/2/2009 10:09 18.9 1.9 4.9 Run 2 

4/2/2009 10:09 18.9 1.9 4.9 Run 2 

4/2/2009 10:10 18.9 1.9 5.0 Run 2 

4/2/2009 10: 10 18.9 1.9 5.0 Run 2 

4/2/200910:10 18.9 1.9 4.9 Run 2 

4/2/2009 10:11 18.9 1.9 4.7 Run 2 

4/2/2009 10:11 18.9 1.9 4.7 Run 2 

4/2/2009 10: 11 18.9 1.9 4.6 Run 2 

4/2/2009 10:12 18.9 1.9 4.6 Run 2 

4/2/2009 10:12 18.9 1.9 4.6 Run 2 

4/2/200910:12 18.9 1.9 4.6 Run 2 

4/2/2009 10:13 18.9 1.9 4.6 Run 2 

4/2/2009 10:13 18.9 1.9 4.6 Run 2 

4/2/2009 10:13 18.9 1.9 4.7 Run 2 

4/2/200910:14 18.9 1.9 4.9 Run 2 

4/2/200910:14 18.9 1.9 5.1 Run 2 

4/2/2009 10: 14 18.9 1.9 5.3 Run 2 

4/2/2009 10:15 18.9 1.9 5.5 Run 2 

4/2/2009 10: 15 18.9 1.9 5.5 Run 2 

4/2/2009 10:15 18.9 1.9 5.8 Run 2 

4/2/200910:16 18.9 1.9 5.9 Run 2 

4/2/2009 10:16 18.9 1.9 5.9 Run 2 

4/2/200910:16 18.9 1.9 6.0 Run 2 

4/2/2009 10:17 18.9 1.9 6.1 Run 2 

4/2/200910:17 18.9 1.9 6.2 Run 2 

4/2/2009 10:17 18.9 1.9 6.2 Run 2 

4/2/2009 10:18 18.9 1.9 6.2 Run 2 

Page 8 of 12 

ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 9:54 18.9 1.9 4.6 Run 2 

4/2/2009 9:54 18.9 1.8 4.6 Run 2 

4/2/2009 9:54 18.9 1.9 4.6 Run 2 

4/2/2009 9:55 18.9 1.8 4.6 Run 2 

4/2/2009 9:55 18.9 1.9 4.6 Run 2 

4/2/2009 9:55 18.9 1.8 4.7 Run 2 

4/2/2009 9:56 18.9 1.8 4.8 Run 2 

4/2/2009 9:56 18.9 1.8 4.9 Run 2 

4/2/2009 9:56 18.9 1.8 5.1 Run 2 

4/2/2009 9:57 18.9 1.9 5.1 Run 2 

4/2/2009 9:57 18.9 1.8 5.1 Run 2 

4/2/2009 9:57 18.9 1.9 5.2 Run 2 

4/2/2009 9:58 18.9 1.9 5.4 Run 2 

4/2/2009 9:58 18.9 1.9 5.5 Run 2 

4/2/2009 9:58 18.9 1.9 5.7 Run 2 

4/2/2009 9:59 18.9 1.9 5.8 Run 2 

4/2/2009 9:59 18.9 1.9 5.7 Run 2 

4/2/2009 9:59 18.9 1.9 5.6 Run 2 

4/2/2009 10:00 18.9 1.9 5.5 Run 2 

4/2/2009 10:00 18.9 1.9 5.6 Run 2 

4/2/2009 10:00 18.9 1.9 5.6 Run 2 

4/2/2009 10:01 18.9 1.9 5.5 Run 2 

4/2/2009 10:01 18.9 1.9 5.5 Run 2 

4/2/2009 10:01 18.9 1.9 5.4 Run 2 

4/2/2009 10:02 18.9 1.9 5.1 Run 2 

4/2/2009 10:02 18.9 1.9 4.9 Run 2 

4/2/2009 10:02 18.9 1.9 4.7 Run 2 

4/2/2009 10:03 18.9 1.9 4.4 Run 2 

4/2/2009 10:03 18.9 1.9 4.2 Run 2 

4/2/2009 10:03 18.9 1.9 4.1 Run 2 

4/2/2009 10:04 18.9 1.9 4.0 Run 2 

4/2/2009 10:04 18.9 1.9 4.0 Run 2 

4/2/2009 10:04 18.9 1.9 4.1 Run 2 

4/2/2009 10:05 18.9 1.9 4.2 Run 2 

4/2/2009 10:05 18.9 1.9 4.1 Run 2 

4/2/2009 10:05 18.9 1.9 4.1 Run 2 

4/2/2009 10:06 18.9 1.9 4.3 Run 2 

4/2/2009 10:06 18.9 1.9 4.3 Run 2 

4/2/2009 10:06 18.9 1.9 4.4 Run 2 

4/2/2009 10:07 18.9 1.9 4.5 Run 2 

4/2/2009 10:07 18.9 1.9 4.5 Run 2 

4/2/2009 10:07 18.9 1.9 4.6 Run 2 

4/2/2009 10:08 18.9 1.9 4.6 Run 2 

4/2/2009 10:08 18.9 1.9 4.7 Run 2 

4/2/2009 10:08 18.9 1.9 4.8 Run 2 

4/2/2009 10:09 18.9 1.9 4.8 Run 2 

4/2/2009 10:09 18.9 1.9 4.9 Run 2 

4/2/2009 10:09 18.9 1.9 4.9 Run 2 

4/2/2009 10:10 18.9 1.9 5.0 Run 2 

4/2/2009 10: 10 18.9 1.9 5.0 Run 2 

4/2/200910:10 18.9 1.9 4.9 Run 2 

4/2/2009 10:11 18.9 1.9 4.7 Run 2 

4/2/2009 10:11 18.9 1.9 4.7 Run 2 

4/2/2009 10: 11 18.9 1.9 4.6 Run 2 

4/2/2009 10:12 18.9 1.9 4.6 Run 2 

4/2/2009 10:12 18.9 1.9 4.6 Run 2 

4/2/200910:12 18.9 1.9 4.6 Run 2 

4/2/2009 10:13 18.9 1.9 4.6 Run 2 

4/2/2009 10:13 18.9 1.9 4.6 Run 2 

4/2/2009 10:13 18.9 1.9 4.7 Run 2 

4/2/200910:14 18.9 1.9 4.9 Run 2 

4/2/200910:14 18.9 1.9 5.1 Run 2 

4/2/2009 10: 14 18.9 1.9 5.3 Run 2 

4/2/2009 10:15 18.9 1.9 5.5 Run 2 

4/2/2009 10: 15 18.9 1.9 5.5 Run 2 

4/2/2009 10:15 18.9 1.9 5.8 Run 2 

4/2/200910:16 18.9 1.9 5.9 Run 2 

4/2/2009 10:16 18.9 1.9 5.9 Run 2 

4/2/200910:16 18.9 1.9 6.0 Run 2 

4/2/2009 10:17 18.9 1.9 6.1 Run 2 

4/2/200910:17 18.9 1.9 6.2 Run 2 

4/2/2009 10:17 18.9 1.9 6.2 Run 2 

4/2/2009 10:18 18.9 1.9 6.2 Run 2 

Page 8 of 12 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 10:18 18.9 1.9 6.1 Run 2 

4/2/2009 10:18 18.9 1.9 6.1 Run 2 

4/2/2009 10: 19 18.9 1.9 6.1 Run 2 

4/2/2009 10:19 18.9 1.9 5.9 Run 2 

4/2/2009 10:19 18.9 1.9 5.9 Run 2 

4/2/2009 10:20 18.9 1.9 6.0 

4/2/2009 10:20 18.9 1.9 6.0 

4/2/2009 10:20 18.9 1.9 5.9 

4/2/2009 10:21 18.9 1.9 6.0 

4/2/2009 10:21 18.9 1.9 6.1 

4/2/2009 10:21 18.9 1.9 6.1 

4/2/2009 10:22 19.8 3.1 5.9 Bias Drift Check 

4/2/2009 10:22 21.0 4.8 5.3 Bias Drift Check 

4/2/2009 10:22 21.1 4.9 4.1 Bias Drift Check 

4/2/2009 10:23 21.1 4.9 3.0 Bias Drift Check 

4/2/2009 10:23 21.1 4.9 2.2 Bias Drift Check 

4/2/2009 10:23 19.4 4.4 1.7 Bias Drift Check 

4/2/2009 10:24 1.4 0.3 1.4 Bias Drift Check 

4/2/2009 10:24 0.2 0.1 1.3 Bias Drift Check 

4/2/2009 10:24 0.2 0.0 1.5 Bias Drift Check 

4/2/2009 10:25 0.1 0.0 1.6 Bias Drift Check 

4/2/2009 10:25 0.1 0.0 1.6 Bias Drift Check 

4/2/2009 10:25 0.1 0.0 1.6 Bias Drift Check 

4/2/2009 10:26 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 10:26 0.1 0.0 3.6 Bias Drift Check 

4/2/2009 10:26 0.1 0.0 6.6 Bias Drift Check 

4/2/2009 10:27 0.1 0.0 7.5 Bias Drift Check 

4/2/2009 10:27 0.1 0.0 7.7 Bias Drift Check 

4/2/2009 10:27 0.1 0.0 7.7 Bias Drift Check 

4/2/2009 10:28 0.1 0.0 7.6 Bias Drift Check 

4/2/2009 10:28 0.1 0.0 7.7 Bias Drift Check 

4/2/2009 10:28 0.1 0.0 7.8 Bias Drift Check 

4/2/2009 10:29 0.1 0.0 7.6 In Stack 

4/2/2009 10:29 5.3 0.6 7.4 In Stack 

4/2/2009 10:29 18.5 1.8 4.9 In Stack 

4/2/2009 10:30 18.8 1.9 2.4 In Stack 

4/2/2009 10:30 18.9 1.9 2.9 In Stack 

4/2/2009 10:30 18.9 1.9 4.2 In Stack 

4/2/200910:31 18.8 1.9 5.1 In Stack 

4/2/2009 10:31 18.9 1.9 5.7 In Stack 

4/2/2009 10:31 18.9 1.9 6.2 In Stack 

4/2/2009 10:32 18.8 1.9 6.6 In Stack 

4/2/2009 10:32 18.8 1.9 7.0 In Stack 

4/2/2009 10:32 18.8 1.9 7.2 In Stack 

4/2/2009 10:33 18.8 1.9 7.2 In Stack 

4/2/2009 10:33 18.8 1.9 7.2 In Stack 

4/2/2009 10:33 18.8 1.9 7.2 In Stack 

4/2/2009 10:34 18.8 2.0 7.1 In Stack 

4/2/2009 10:34 18.8 2.0 6.9 In Stack 

4/2/2009 10:34 18.8 1.9 6.8 In Stack 

4/2/2009 10:35 18.8 1.9 6.5 Run 3 

4/2/2009 10:35 18.8 2.0 6.3 Run 3 

4/2/2009 10:35 18.8 1.9 6.1 Run 3 

4/2/2009 10:36 18.8 2.0 6.1 Run 3 

4/2/2009 10:36 18.8 1.9 5.9 Run 3 

4/2/2009 10:36 18.8 1.9 6.0 Run 3 

4/2/2009 10:37 18.8 1.9 6.1 Run 3 

4/2/2009 10:37 18.9 1.9 6.2 Run 3 

4/2/2009 10:37 18.9 1.9 6.3 Run 3 

4/2/2009 10:38 18.9 1.9 6.5 Run 3 

4/2/2009 10:38 18.9 1.9 6.8 Run 3 

4/2/2009 10:38 18.9 1.9 7.1 Run 3 

4/2/2009 10:39 18.9 1.9 7.4 Run 3 

4/2/2009 10:39 18.9 1.8 7.7 Run 3 

4/2/2009 10:39 18.9 1.8 8.0 Run 3 

4/2/2009 10:40 18.9 1.8 8.4 Run 3 

41212009 10:40 18.9 1.8 8.8 Run 3 

4/2/2009 10:40 18.9 1.8 9.0 Run 3 

4/2/2009 10:41 18.9 1.8 9.2 Run 3 

4/2/2009 10:41 18.9 1.8 9.1 Run 3 

4/2/2009 10:41 18.9 1.8 9.0 Run 3 

4/2/2009 10:42 18.9 1.8 8.9 Run 3 

4/2/2009 10:42 18.9 1.8 8.6 Run 3 

Page 9 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 10:18 18.9 1.9 6.1 Run 2 

4/2/2009 10:18 18.9 1.9 6.1 Run 2 

4/2/2009 10: 19 18.9 1.9 6.1 Run 2 

4/2/2009 10:19 18.9 1.9 5.9 Run 2 

4/2/2009 10:19 18.9 1.9 5.9 Run 2 

4/2/2009 10:20 18.9 1.9 6.0 

4/2/2009 10:20 18.9 1.9 6.0 

4/2/2009 10:20 18.9 1.9 5.9 

4/2/2009 10:21 18.9 1.9 6.0 

4/2/2009 10:21 18.9 1.9 6.1 

4/2/2009 10:21 18.9 1.9 6.1 

4/2/2009 10:22 19.8 3.1 5.9 Bias Drift Check 

4/2/2009 10:22 21.0 4.8 5.3 Bias Drift Check 

4/2/2009 10:22 21.1 4.9 4.1 Bias Drift Check 

4/2/2009 10:23 21.1 4.9 3.0 Bias Drift Check 

4/2/2009 10:23 21.1 4.9 2.2 Bias Drift Check 

4/2/2009 10:23 19.4 4.4 1.7 Bias Drift Check 

4/2/2009 10:24 1.4 0.3 1.4 Bias Drift Check 

4/2/2009 10:24 0.2 0.1 1.3 Bias Drift Check 

4/2/2009 10:24 0.2 0.0 1.5 Bias Drift Check 

4/2/2009 10:25 0.1 0.0 1.6 Bias Drift Check 

4/2/2009 10:25 0.1 0.0 1.6 Bias Drift Check 

4/2/2009 10:25 0.1 0.0 1.6 Bias Drift Check 

4/2/2009 10:26 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 10:26 0.1 0.0 3.6 Bias Drift Check 

4/2/2009 10:26 0.1 0.0 6.6 Bias Drift Check 

4/2/2009 10:27 0.1 0.0 7.5 Bias Drift Check 

4/2/2009 10:27 0.1 0.0 7.7 Bias Drift Check 

4/2/2009 10:27 0.1 0.0 7.7 Bias Drift Check 

4/2/2009 10:28 0.1 0.0 7.6 Bias Drift Check 

4/2/2009 10:28 0.1 0.0 7.7 Bias Drift Check 

4/2/2009 10:28 0.1 0.0 7.8 Bias Drift Check 

4/2/2009 10:29 0.1 0.0 7.6 In Stack 

4/2/2009 10:29 5.3 0.6 7.4 In Stack 

4/2/2009 10:29 18.5 1.8 4.9 In Stack 

4/2/2009 10:30 18.8 1.9 2.4 In Stack 

4/2/2009 10:30 18.9 1.9 2.9 In Stack 

4/2/2009 10:30 18.9 1.9 4.2 In Stack 

4/2/200910:31 18.8 1.9 5.1 In Stack 

4/2/2009 10:31 18.9 1.9 5.7 In Stack 

4/2/2009 10:31 18.9 1.9 6.2 In Stack 

4/2/2009 10:32 18.8 1.9 6.6 In Stack 

4/2/2009 10:32 18.8 1.9 7.0 In Stack 

4/2/2009 10:32 18.8 1.9 7.2 In Stack 

4/2/2009 10:33 18.8 1.9 7.2 In Stack 

4/2/2009 10:33 18.8 1.9 7.2 In Stack 

4/2/2009 10:33 18.8 1.9 7.2 In Stack 

4/2/2009 10:34 18.8 2.0 7.1 In Stack 

4/2/2009 10:34 18.8 2.0 6.9 In Stack 

4/2/2009 10:34 18.8 1.9 6.8 In Stack 

4/2/2009 10:35 18.8 1.9 6.5 Run 3 

4/2/2009 10:35 18.8 2.0 6.3 Run 3 

4/2/2009 10:35 18.8 1.9 6.1 Run 3 

4/2/2009 10:36 18.8 2.0 6.1 Run 3 

4/2/2009 10:36 18.8 1.9 5.9 Run 3 

4/2/2009 10:36 18.8 1.9 6.0 Run 3 

4/2/2009 10:37 18.8 1.9 6.1 Run 3 

4/2/2009 10:37 18.9 1.9 6.2 Run 3 

4/2/2009 10:37 18.9 1.9 6.3 Run 3 

4/2/2009 10:38 18.9 1.9 6.5 Run 3 

4/2/2009 10:38 18.9 1.9 6.8 Run 3 

4/2/2009 10:38 18.9 1.9 7.1 Run 3 

4/2/2009 10:39 18.9 1.9 7.4 Run 3 

4/2/2009 10:39 18.9 1.8 7.7 Run 3 

4/2/2009 10:39 18.9 1.8 8.0 Run 3 

4/2/2009 10:40 18.9 1.8 8.4 Run 3 

41212009 10:40 18.9 1.8 8.8 Run 3 

4/2/2009 10:40 18.9 1.8 9.0 Run 3 

4/2/2009 10:41 18.9 1.8 9.2 Run 3 

4/2/2009 10:41 18.9 1.8 9.1 Run 3 

4/2/2009 10:41 18.9 1.8 9.0 Run 3 

4/2/2009 10:42 18.9 1.8 8.9 Run 3 

4/2/2009 10:42 18.9 1.8 8.6 Run 3 

Page 9 of 12 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 10:42 18.9 1.8 8.3 Run 3 

4/2/2009 10:43 18.9 1.8 8.1 Run 3 

4/2/2009 10:43 18.9 1.8 8.0 Run 3 

4/2/2009 10:43 18.9 1.8 7.9 Run 3 

4/2/2009 10:44 18.9 1.8 7.8 Run 3 

4/2/2009 10:44 18.9 1.8 7.8 Run 3 

4/2/2009 10:44 18.9 1.8 7.8 Run 3 

4/2/2009 10:45 18.9 1.9 7.7 Run 3 

4/2/2009 10:45 18.9 1.9 7.7 Run 3 

4/2/2009 10:45 18.9 1.9 7.5 Run 3 

4/2/200910:46 18.9 1.9 7.4 Run 3 

4/2/2009 10:46 18.9 1.9 7.4 Run 3 

4/2/2009 10:46 18.8 1.9 7.3 Run 3 

4/2/2009 10:47 18.9 1.9 7.1 Run 3 

4/2/200910:47 18.9 1.9 7.0 Run 3 

4/2/2009 10:47 18.8 1.9 7.2 Run 3 

4/2/200910:48 18.8 1.9 7.0 Run 3 

4/2/2009 10:48 18.8 1.9 7.1 Run 3 

4/2/2009 10:48 18.8 1.9 7.1 Run 3 

4/2/2009 10:49 18.8 1.9 7.0 Run 3 

4/2/2009 10:49 18.8 1.9 7.1 Run 3 

4/2/2009 10:49 18.8 1.9 7.1 Run 3 

4/2/2009 10:50 18.8 1.9 6.9 Run 3 

4/2/2009 10:50 18.9 1.9 6.8 Run 3 

4/2/2009 10:50 18.8 1.9 6.6 Run 3 

4/2/2009 10:51 18.9 1.9 6.5 Run 3 

4/2/2009 10:51 18.8 1.9 6.4 Run 3 

4/2/2009 10:51 18.9 1.9 6.4 Run 3 

4/2/2009 10:52 18.9 1.9 6.3 Run 3 

4/2/2009 10:52 18.9 1.9 6.4 Run 3 

4/2/2009 10:52 18.9 1.8 6.5 Run 3 

4/2/2009 10:53 18.9 1.8 6.7 Run 3 

4/2/2009 10:53 18.9 1.8 7.0 Run 3 

4/2/2009 10:53 18.9 1.8 7.2 Run 3 

4/2/2009 10:54 18.9 1.8 7.4 Run 3 

4/2/2009 10:54 18.9 1.8 7.4 Run 3 

4/2/2009 10:54 18.9 1.8 7.6 Run 3 

4/2/2009 10:55 18.9 1.8 7.7 Run 3 

4/2/2009 10:55 18.9 1.8 7.8 Run 3 

4/2/2009 10:55 18.9 1.8 7.8 Run 3 

4/2/2009 10:56 18.9 1.8 7.9 Run 3 

4/2/2009 10:56 18.9 1.8 8.1 Run 3 

4/2/2009 10:56 18.9 1.8 8.3 Run 3 

4/2/2009 10:57 18.9 1.9 8.2 Run 3 

4/2/2009 10:57 18.9 1.8 8.1 Run 3 

4/2/2009 10:57 18.9 1.8 8.2 Run 3 

4/2/2009 10:58 18.9 1.8 8.2 Run 3 

4/2/2009 10:58 18.9 1.9 8.0 Run 3 

4/2/2009 10:58 18.9 1.8 7.9 Run 3 

4/2/2009 10:59 18.9 1.8 7.9 Run 3 

4/2/2009 10:59 18.9 1.8 7.8 Run 3 

4/2/2009 10:59 18.9 1.8 7.7 Run 3 

4/2/2009 11 :00 18.9 1.8 7.6 Run 3 

4/2/2009 11 :00 18.9 1.8 7.5 Run 3 

4/2/2009 11 :00 18.9 1.8 7.4 Run 3 

4/2/2009 11 :01 18.9 1.8 7.4 Run 3 

4/2/2009 11 :01 18.9 1.8 7.4 Run 3 

4/2/2009 11 :01 18.9 1.8 7.6 Run 3 

4/2/2009 11 :02 18.9 1.8 7.9 Run 3 

4/2/2009 11 :02 18.9 1.9 8.0 Run 3 

4/2/2009 11 :02 18.9 1.9 8.1 Run 3 

4/2/2009 11 :03 18.9 1.9 8.1 Run 3 

4/2/2009 11 :03 18.9 1.9 8.1 Run 3 

4/2/2009 11 :03 18.9 1.9 8.1 Run 3 

4/2/2009 11 :04 18.9 1.8 8.1 Run 3 

4/2/2009 11 :04 18.9 1.8 8.1 Run 3 

4/2/2009 11 :04 18.9 1.9 8.1 Run 3 

4/2/2009 11 :05 18.9 1.8 8.1 Run 3 

4/2/2009 11 :05 18.9 1.9 8.1 Run 3 

4/2/2009 11 :05 18.9 1.9 8.2 Run 3 

4/2/2009 11 :06 18.9 1.9 8.3 Run 3 

4/2/2009 11 :06 18.9 1.9 8.3 Run 3 

4/2/2009 11 :06 18.9 1.9 8.2 Run 3 

Page 10 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 10:42 18.9 1.8 8.3 Run 3 

4/2/2009 10:43 18.9 1.8 8.1 Run 3 

4/2/2009 10:43 18.9 1.8 8.0 Run 3 

4/2/2009 10:43 18.9 1.8 7.9 Run 3 

4/2/2009 10:44 18.9 1.8 7.8 Run 3 

4/2/2009 10:44 18.9 1.8 7.8 Run 3 

4/2/2009 10:44 18.9 1.8 7.8 Run 3 

4/2/2009 10:45 18.9 1.9 7.7 Run 3 

4/2/2009 10:45 18.9 1.9 7.7 Run 3 

4/2/2009 10:45 18.9 1.9 7.5 Run 3 

4/2/200910:46 18.9 1.9 7.4 Run 3 

4/2/2009 10:46 18.9 1.9 7.4 Run 3 

4/2/2009 10:46 18.8 1.9 7.3 Run 3 

4/2/2009 10:47 18.9 1.9 7.1 Run 3 

4/2/200910:47 18.9 1.9 7.0 Run 3 

4/2/2009 10:47 18.8 1.9 7.2 Run 3 

4/2/200910:48 18.8 1.9 7.0 Run 3 

4/2/2009 10:48 18.8 1.9 7.1 Run 3 

4/2/2009 10:48 18.8 1.9 7.1 Run 3 

4/2/2009 10:49 18.8 1.9 7.0 Run 3 

4/2/2009 10:49 18.8 1.9 7.1 Run 3 

4/2/2009 10:49 18.8 1.9 7.1 Run 3 

4/2/2009 10:50 18.8 1.9 6.9 Run 3 

4/2/2009 10:50 18.9 1.9 6.8 Run 3 

4/2/2009 10:50 18.8 1.9 6.6 Run 3 

4/2/2009 10:51 18.9 1.9 6.5 Run 3 

4/2/2009 10:51 18.8 1.9 6.4 Run 3 

4/2/2009 10:51 18.9 1.9 6.4 Run 3 

4/2/2009 10:52 18.9 1.9 6.3 Run 3 

4/2/2009 10:52 18.9 1.9 6.4 Run 3 

4/2/2009 10:52 18.9 1.8 6.5 Run 3 

4/2/2009 10:53 18.9 1.8 6.7 Run 3 

4/2/2009 10:53 18.9 1.8 7.0 Run 3 

4/2/2009 10:53 18.9 1.8 7.2 Run 3 

4/2/2009 10:54 18.9 1.8 7.4 Run 3 

4/2/2009 10:54 18.9 1.8 7.4 Run 3 

4/2/2009 10:54 18.9 1.8 7.6 Run 3 

4/2/2009 10:55 18.9 1.8 7.7 Run 3 

4/2/2009 10:55 18.9 1.8 7.8 Run 3 

4/2/2009 10:55 18.9 1.8 7.8 Run 3 

4/2/2009 10:56 18.9 1.8 7.9 Run 3 

4/2/2009 10:56 18.9 1.8 8.1 Run 3 

4/2/2009 10:56 18.9 1.8 8.3 Run 3 

4/2/2009 10:57 18.9 1.9 8.2 Run 3 

4/2/2009 10:57 18.9 1.8 8.1 Run 3 

4/2/2009 10:57 18.9 1.8 8.2 Run 3 

4/2/2009 10:58 18.9 1.8 8.2 Run 3 

4/2/2009 10:58 18.9 1.9 8.0 Run 3 

4/2/2009 10:58 18.9 1.8 7.9 Run 3 

4/2/2009 10:59 18.9 1.8 7.9 Run 3 

4/2/2009 10:59 18.9 1.8 7.8 Run 3 

4/2/2009 10:59 18.9 1.8 7.7 Run 3 

4/2/2009 11 :00 18.9 1.8 7.6 Run 3 

4/2/2009 11 :00 18.9 1.8 7.5 Run 3 

4/2/2009 11 :00 18.9 1.8 7.4 Run 3 

4/2/2009 11 :01 18.9 1.8 7.4 Run 3 

4/2/2009 11 :01 18.9 1.8 7.4 Run 3 

4/2/2009 11 :01 18.9 1.8 7.6 Run 3 

4/2/2009 11 :02 18.9 1.8 7.9 Run 3 

4/2/2009 11 :02 18.9 1.9 8.0 Run 3 

4/2/2009 11 :02 18.9 1.9 8.1 Run 3 

4/2/2009 11 :03 18.9 1.9 8.1 Run 3 

4/2/2009 11 :03 18.9 1.9 8.1 Run 3 

4/2/2009 11 :03 18.9 1.9 8.1 Run 3 

4/2/2009 11 :04 18.9 1.8 8.1 Run 3 

4/2/2009 11 :04 18.9 1.8 8.1 Run 3 

4/2/2009 11 :04 18.9 1.9 8.1 Run 3 

4/2/2009 11 :05 18.9 1.8 8.1 Run 3 

4/2/2009 11 :05 18.9 1.9 8.1 Run 3 

4/2/2009 11 :05 18.9 1.9 8.2 Run 3 

4/2/2009 11 :06 18.9 1.9 8.3 Run 3 

4/2/2009 11 :06 18.9 1.9 8.3 Run 3 

4/2/2009 11 :06 18.9 1.9 8.2 Run 3 

Page 10 of 12 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 11 :07 18.9 1.9 8.0 Run 3 

4/2/2009 11 :07 18.9 1.9 7.9 Run 3 

4/2/2009 11 :07 18.9 1.9 7.8 Run 3 

4/2/2009 11 :08 18.9 1.9 7.6 Run 3 

4/2/2009 11 :08 18.9 1.9 7.6 Run 3 

4/2/2009 11 :08 18.9 1.9 7.6 Run 3 

4/2/2009 11 :09 18.9 1.8 7.6 Run 3 

4/2/2009 11 :09 18.9 1.9 7.7 Run 3 

4/2/2009 11 :09 18.9 1.9 7.9 Run 3 

4/2/2009 11: 10 18.9 1.8 8.0 Run 3 

4/2/2009 11: 1 0 18.9 1.8 8.0 Run 3 

4/2/2009 11: 1 0 18.9 1.8 8.0 Run 3 

4/2/2009 11: 11 18.9 1.8 8.1 Run 3 

4/2/2009 11: 11 18.9 1.9 8.4 Run 3 

4/2/2009 11: 11 18.9 1.9 8.8 Run 3 

4/2/2009 11: 12 18.9 1.9 9.0 Run 3 

4/2/2009 11: 12 18.9 1.9 9.1 Run 3 

4/2/2009 11: 12 18.9 1.9 9.2 Run 3 

4/2/2009 11: 13 18.9 1.9 9.1 Run 3 

4/2/2009 11: 13 18.9 1.8 8.9 Run 3 

4/2/2009 11: 13 18.9 1.8 8.9 Run 3 

4/2/2009 11: 14 18.9 1.8 8.9 Run 3 

4/2/2009 11: 14 18.9 1.8 8.9 Run 3 

4/2/2009 11: 14 18.9 1.9 9.0 Run 3 

4/2/2009 11: 15 18.9 1.9 9.0 Run 3 

4/2/2009 11: 15 18.9 1.8 8.9 Run 3 

4/2/200911:15 18.9 1.8 9.1 Run 3 

4/2/2009 11: 16 18.9 1.8 9.0 Run 3 

4/2/2009 11: 16 18.9 1.8 8.8 Run 3 

4/2/2009 11: 16 18.9 1.8 8.8 Run 3 

4/2/2009 11: 17 18.9 1.8 8.9 Run 3 

4/2/2009 11: 17 18.9 1.8 9.1 Run 3 

4/2/2009 11: 17 18.9 1.8 9.2 Run 3 

4/2/2009 11: 18 18.9 1.8 9.3 Run 3 

4/2/2009 11 :18 18.9 1.8 9.6 Run 3 

4/2/2009 11: 18 18.9 1.8 9.8 Run 3 

4/2/2009 11: 19 18.9 1.8 9.8 Run 3 

4/2/2009 11: 19 18.9 1.8 9.9 Run 3 

4/2/2009 11 :19 18.9 1.9 9.9 Run 3 

4/2/2009 11 :20 18.9 1.9 9.8 Run 3 

4/2/2009 11 :20 18.9 1.9 9.6 Run 3 

4/2/2009 11 :20 18.9 1.9 9.2 Run 3 

4/2/2009 11 :21 18.9 1.9 9.0 Run 3 

4/2/2009 11 :21 18.9 1.8 8.8 Run 3 

4/2/2009 11 :21 18.9 1.8 8.6 Run 3 

4/2/2009 11 :22 18.9 1.8 8.4 Run 3 

4/2/2009 11 :22 18.9 1.8 8.3 Run 3 

4/2/2009 11 :22 18.9 1.8 8.4 Run 3 

4/2/2009 11 :23 18.9 1.8 8.5 Run 3 

4/2/2009 11 :23 18.9 1.8 8.6 Run 3 

4/2/2009 11 :23 18.9 1.8 8.6 Run 3 

4/2/2009 11 :24 18.9 1.8 8.7 Run 3 

4/2/2009 11 :24 18.9 1.8 9.0 Run 3 

4/2/2009 11 :24 18.9 1.9 8.9 Run 3 

4/2/2009 11 :25 18.9 1.9 8.8 Run 3 

4/2/2009 11 :25 18.9 1.8 8.6 Run 3 

4/2/2009 11 :25 18.9 1.9 8.6 Run 3 

4/2/2009 11 :26 18.9 1.9 8.6 Run 3 

4/2/2009 11 :26 18.9 1.8 8.7 Run 3 

4/2/2009 11 :26 18.9 1.8 8.7 Run 3 

4/2/2009 11 :27 18.9 1.8 8.6 Run 3 

4/2/2009 11 :27 18.9 1.8 8.6 Run 3 

4/2/2009 11 :27 18.9 1.8 8.7 Run 3 

4/2/2009 11 :28 18.9 1.8 8.8 Run 3 

4/2/2009 11 :28 18.9 1.8 8.8 Run 3 

4/2/2009 11 :28 18.9 1.8 8.8 Run 3 

4/2/2009 11 :29 18.9 1.8 8.9 Run 3 

4/2/2009 11 :29 18.9 1.9 8.7 Run 3 

4/2/2009 11 :29 18.9 1.8 8.6 Run 3 

4/2/2009 11 :30 18.9 1.9 8.6 Run 3 

4/2/2009 11 :30 18.9 1.9 8.6 Run 3 

4/2/2009 11 :30 18.9 1.9 8.4 Run 3 

4/2/2009 11 :31 18.9 1.9 8.1 Run 3 

Page 11 of 12 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 11 :07 18.9 1.9 8.0 Run 3 

4/2/2009 11 :07 18.9 1.9 7.9 Run 3 

4/2/2009 11 :07 18.9 1.9 7.8 Run 3 

4/2/2009 11 :08 18.9 1.9 7.6 Run 3 

4/2/2009 11 :08 18.9 1.9 7.6 Run 3 

4/2/2009 11 :08 18.9 1.9 7.6 Run 3 

4/2/2009 11 :09 18.9 1.8 7.6 Run 3 

4/2/2009 11 :09 18.9 1.9 7.7 Run 3 

4/2/2009 11 :09 18.9 1.9 7.9 Run 3 

4/2/2009 11: 10 18.9 1.8 8.0 Run 3 

4/2/2009 11: 1 0 18.9 1.8 8.0 Run 3 

4/2/2009 11: 1 0 18.9 1.8 8.0 Run 3 

4/2/2009 11: 11 18.9 1.8 8.1 Run 3 

4/2/2009 11: 11 18.9 1.9 8.4 Run 3 

4/2/2009 11: 11 18.9 1.9 8.8 Run 3 

4/2/2009 11: 12 18.9 1.9 9.0 Run 3 

4/2/2009 11: 12 18.9 1.9 9.1 Run 3 

4/2/2009 11: 12 18.9 1.9 9.2 Run 3 

4/2/2009 11: 13 18.9 1.9 9.1 Run 3 

4/2/2009 11: 13 18.9 1.8 8.9 Run 3 

4/2/2009 11: 13 18.9 1.8 8.9 Run 3 

4/2/2009 11: 14 18.9 1.8 8.9 Run 3 

4/2/2009 11: 14 18.9 1.8 8.9 Run 3 

4/2/2009 11: 14 18.9 1.9 9.0 Run 3 

4/2/2009 11: 15 18.9 1.9 9.0 Run 3 

4/2/2009 11: 15 18.9 1.8 8.9 Run 3 

4/2/200911:15 18.9 1.8 9.1 Run 3 

4/2/2009 11: 16 18.9 1.8 9.0 Run 3 

4/2/2009 11: 16 18.9 1.8 8.8 Run 3 

4/2/2009 11: 16 18.9 1.8 8.8 Run 3 

4/2/2009 11: 17 18.9 1.8 8.9 Run 3 

4/2/2009 11: 17 18.9 1.8 9.1 Run 3 

4/2/2009 11: 17 18.9 1.8 9.2 Run 3 

4/2/2009 11: 18 18.9 1.8 9.3 Run 3 

4/2/2009 11 :18 18.9 1.8 9.6 Run 3 

4/2/2009 11: 18 18.9 1.8 9.8 Run 3 

4/2/2009 11: 19 18.9 1.8 9.8 Run 3 

4/2/2009 11: 19 18.9 1.8 9.9 Run 3 

4/2/2009 11 :19 18.9 1.9 9.9 Run 3 

4/2/2009 11 :20 18.9 1.9 9.8 Run 3 

4/2/2009 11 :20 18.9 1.9 9.6 Run 3 

4/2/2009 11 :20 18.9 1.9 9.2 Run 3 

4/2/2009 11 :21 18.9 1.9 9.0 Run 3 

4/2/2009 11 :21 18.9 1.8 8.8 Run 3 

4/2/2009 11 :21 18.9 1.8 8.6 Run 3 

4/2/2009 11 :22 18.9 1.8 8.4 Run 3 

4/2/2009 11 :22 18.9 1.8 8.3 Run 3 

4/2/2009 11 :22 18.9 1.8 8.4 Run 3 

4/2/2009 11 :23 18.9 1.8 8.5 Run 3 

4/2/2009 11 :23 18.9 1.8 8.6 Run 3 

4/2/2009 11 :23 18.9 1.8 8.6 Run 3 

4/2/2009 11 :24 18.9 1.8 8.7 Run 3 

4/2/2009 11 :24 18.9 1.8 9.0 Run 3 

4/2/2009 11 :24 18.9 1.9 8.9 Run 3 

4/2/2009 11 :25 18.9 1.9 8.8 Run 3 

4/2/2009 11 :25 18.9 1.8 8.6 Run 3 

4/2/2009 11 :25 18.9 1.9 8.6 Run 3 

4/2/2009 11 :26 18.9 1.9 8.6 Run 3 

4/2/2009 11 :26 18.9 1.8 8.7 Run 3 

4/2/2009 11 :26 18.9 1.8 8.7 Run 3 

4/2/2009 11 :27 18.9 1.8 8.6 Run 3 

4/2/2009 11 :27 18.9 1.8 8.6 Run 3 

4/2/2009 11 :27 18.9 1.8 8.7 Run 3 

4/2/2009 11 :28 18.9 1.8 8.8 Run 3 

4/2/2009 11 :28 18.9 1.8 8.8 Run 3 

4/2/2009 11 :28 18.9 1.8 8.8 Run 3 

4/2/2009 11 :29 18.9 1.8 8.9 Run 3 

4/2/2009 11 :29 18.9 1.9 8.7 Run 3 

4/2/2009 11 :29 18.9 1.8 8.6 Run 3 

4/2/2009 11 :30 18.9 1.9 8.6 Run 3 

4/2/2009 11 :30 18.9 1.9 8.6 Run 3 

4/2/2009 11 :30 18.9 1.9 8.4 Run 3 

4/2/2009 11 :31 18.9 1.9 8.1 Run 3 

Page 11 of 12 
ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 11 :31 18.9 1.9 8.1 Run 3 

4/2/2009 11 :31 18.9 1.9 8.1 Run 3 

4/2/2009 11 :32 18.9 1.9 8.0 Run 3 

4/2/2009 11 :32 18.8 1.9 8.1 Run 3 

4/2/2009 11 :32 18.9 1.9 8.3 Run 3 

4/2/2009 11 :33 18.9 1.9 8.4 Run 3 

4/2/2009 11 :33 18.9 1.9 8.6 Run 3 

4/2/2009 11 :33 18.8 1.9 8.7 Run 3 

4/2/2009 11 :34 18.9 1.9 8.7 Run 3 

4/2/2009 11 :34 18.9 1.8 8.9 Run 3 

4/2/2009 11 :34 18.9 1.8 9.1 Run 3 

4/2/2009 11 :35 18.9 1.9 9.2 

4/2/2009 11 :35 18.9 1.9 9.3 

4/2/2009 11 :35 18.9 1.9 9.3 

4/2/2009 11 :36 18.9 1.9 9.2 

4/2/2009 11 :36 18.0 1.8 9.0 Bias Drift Check 

4/2/2009 11 :36 13.3 1.7 9.0 Bias Drift Check 

4/2/2009 11 :37 20.4 4.7 8.2 Bias Drift Check 

4/2/2009 11 :37 21.1 4.8 6.0 Bias Drift Check 

4/2/2009 11 :37 21.1 4.9 3.9 Bias Drift Check 

4/2/2009 11 :38 21.1 4.9 2.7 Bias Drift Check 

4/2/2009 11 :38 21.1 4.9 2.0 Bias Drift Check 

4/2/2009 11 :38 20.9 4.8 1.5 Bias Drift Check 

4/2/2009 11 :39 2.9 0.6 1.3 Bias Drift Check 

4/2/2009 11 :39 0.2 0.0 1.2 Bias Drift Check 

4/2/2009 11 :39 0.1 0.0 1.5 Bias Drift Check 

4/2/2009 11:40 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 11 :40 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 11:40 0.1 0.0 1.6 Bias Drift Check 

4/2/2009 11 :41 0.1 0.0 1.5 Bias Drift Check 

4/2/2009 11:41 0.1 0.0 1.5 Bias Drift Check 

4/2/2009 11 :41 0.1 0.0 2.9 Bias Drift Check 

4/2/2009 11 :42 0.1 0.0 5.9 Bias Drift Check 

4/2/2009 11 :42 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 11 :42 0.1 0.0 7.4 Bias Drift Check 

4/2/2009 11 :43 0.1 0.0 7.4 Bias Drift Check 

4/2/2009 11 :43 0.1 0.0 6.9 Bias Drift Check 

4/2/2009 11 :43 0.1 0.0 4.3 Bias Drift Check 

4/2/2009 11 :44 0.1 0.0 1.8 Bias Drift Check 

4/2/2009 11 :44 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :44 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :45 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :45 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :45 0.1 0.0 1.2 Bias Drift Check 

4/2/2009 11:46 0.1 0.0 1.2 Bias Drift Check 

4/2/2009 11 :46 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :46 0.1 0.0 1.2 Bias Drift Check 

4/2/2009 11 :47 0.1 0.0 1.2 Bias Drift Check 

4/2/2009 11:47 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 11 :47 0.1 0.0 3.8 Bias Drift Check 

4/2/2009 11 :48 0.1 0.0 6.6 Bias Drift Check 

4/2/2009 11 :48 0.1 0.0 8.8 Bias Drift Check 

4/2/2009 11:48 0.1 0.0 10.3 Bias Drift Check 

4/2/2009 11 :49 0.1 0.0 11.1 Bias Drift Check 

4/2/2009 11:49 0.1 0.0 11.5 Bias Drift Check 

4/2/2009 11 :49 0.1 0.0 12.0 Bias Drift Check 

4/2/2009 11 :50 0.1 0.0 12.3 Bias Drift Check 

4/2/2009 11 :50 0.1 0.0 12.7 Bias Drift Check 

4/2/2009 11 :50 0.1 0.0 12.7 Bias Drift Check 

4/2/2009 11 :51 0.1 0.0 12.8 Bias Drift Check 

4/2/2009 11 :51 0.0 0.0 12.2 Bias Drift Check 

4/2/2009 11 :51 0.0 0.0 7.1 

4/2/2009 11 :52 0.0 0.0 2.0 

4/2/2009 11 :52 0.0 0.0 1.0 

4/2/2009 11 :52 0.1 0.0 0.9 

4/2/2009 11 :53 1.5 0.1 15.1 

Page12of12 

ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virgina, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack C (SV016) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 11 :31 18.9 1.9 8.1 Run 3 

4/2/2009 11 :31 18.9 1.9 8.1 Run 3 

4/2/2009 11 :32 18.9 1.9 8.0 Run 3 

4/2/2009 11 :32 18.8 1.9 8.1 Run 3 

4/2/2009 11 :32 18.9 1.9 8.3 Run 3 

4/2/2009 11 :33 18.9 1.9 8.4 Run 3 

4/2/2009 11 :33 18.9 1.9 8.6 Run 3 

4/2/2009 11 :33 18.8 1.9 8.7 Run 3 

4/2/2009 11 :34 18.9 1.9 8.7 Run 3 

4/2/2009 11 :34 18.9 1.8 8.9 Run 3 

4/2/2009 11 :34 18.9 1.8 9.1 Run 3 

4/2/2009 11 :35 18.9 1.9 9.2 

4/2/2009 11 :35 18.9 1.9 9.3 

4/2/2009 11 :35 18.9 1.9 9.3 

4/2/2009 11 :36 18.9 1.9 9.2 

4/2/2009 11 :36 18.0 1.8 9.0 Bias Drift Check 

4/2/2009 11 :36 13.3 1.7 9.0 Bias Drift Check 

4/2/2009 11 :37 20.4 4.7 8.2 Bias Drift Check 

4/2/2009 11 :37 21.1 4.8 6.0 Bias Drift Check 

4/2/2009 11 :37 21.1 4.9 3.9 Bias Drift Check 

4/2/2009 11 :38 21.1 4.9 2.7 Bias Drift Check 

4/2/2009 11 :38 21.1 4.9 2.0 Bias Drift Check 

4/2/2009 11 :38 20.9 4.8 1.5 Bias Drift Check 

4/2/2009 11 :39 2.9 0.6 1.3 Bias Drift Check 

4/2/2009 11 :39 0.2 0.0 1.2 Bias Drift Check 

4/2/2009 11 :39 0.1 0.0 1.5 Bias Drift Check 

4/2/2009 11:40 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 11 :40 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 11:40 0.1 0.0 1.6 Bias Drift Check 

4/2/2009 11 :41 0.1 0.0 1.5 Bias Drift Check 

4/2/2009 11:41 0.1 0.0 1.5 Bias Drift Check 

4/2/2009 11 :41 0.1 0.0 2.9 Bias Drift Check 

4/2/2009 11 :42 0.1 0.0 5.9 Bias Drift Check 

4/2/2009 11 :42 0.1 0.0 7.3 Bias Drift Check 

4/2/2009 11 :42 0.1 0.0 7.4 Bias Drift Check 

4/2/2009 11 :43 0.1 0.0 7.4 Bias Drift Check 

4/2/2009 11 :43 0.1 0.0 6.9 Bias Drift Check 

4/2/2009 11 :43 0.1 0.0 4.3 Bias Drift Check 

4/2/2009 11 :44 0.1 0.0 1.8 Bias Drift Check 

4/2/2009 11 :44 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :44 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :45 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :45 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :45 0.1 0.0 1.2 Bias Drift Check 

4/2/2009 11:46 0.1 0.0 1.2 Bias Drift Check 

4/2/2009 11 :46 0.1 0.0 1.3 Bias Drift Check 

4/2/2009 11 :46 0.1 0.0 1.2 Bias Drift Check 

4/2/2009 11 :47 0.1 0.0 1.2 Bias Drift Check 

4/2/2009 11:47 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 11 :47 0.1 0.0 3.8 Bias Drift Check 

4/2/2009 11 :48 0.1 0.0 6.6 Bias Drift Check 

4/2/2009 11 :48 0.1 0.0 8.8 Bias Drift Check 

4/2/2009 11:48 0.1 0.0 10.3 Bias Drift Check 

4/2/2009 11 :49 0.1 0.0 11.1 Bias Drift Check 

4/2/2009 11:49 0.1 0.0 11.5 Bias Drift Check 

4/2/2009 11 :49 0.1 0.0 12.0 Bias Drift Check 

4/2/2009 11 :50 0.1 0.0 12.3 Bias Drift Check 

4/2/2009 11 :50 0.1 0.0 12.7 Bias Drift Check 

4/2/2009 11 :50 0.1 0.0 12.7 Bias Drift Check 

4/2/2009 11 :51 0.1 0.0 12.8 Bias Drift Check 

4/2/2009 11 :51 0.0 0.0 12.2 Bias Drift Check 

4/2/2009 11 :51 0.0 0.0 7.1 

4/2/2009 11 :52 0.0 0.0 2.0 

4/2/2009 11 :52 0.0 0.0 1.0 

4/2/2009 11 :52 0.1 0.0 0.9 

4/2/2009 11 :53 1.5 0.1 15.1 

Page12of12 
ArcelorMittal Minorca Mine, Inc. 

Virginia, MN 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack D (SV017) 

Average Analyzer Results 

Run I 02,% I C02,% I S02, ppm 

1 18.3 2.3 3.9 

2 18.3 2.3 3.9 

3 18.3 2.4 4.7 

TOM CR1000 1362 CR1000.Std.08 

TIMESTAMP 02_Avg C02~vg S02_Avg 

TS Percent Percent PPM 

Avg Avg Avg 

4/2/2009 11 :52 0.0 0.0 2.0 

4/2/2009 11 :52 0.0 0.0 1.0 

4/2/2009 11 :52 0.1 0.0 0.9 

4/2/2009 11 :53 1.5 0.1 15.1 

4/2/2009 11 :53 0.0 0.0 48.8 

4/2/2009 11 :53 0.0 0.0 52.5 

4/2/2009 11 :54 0.0 0.0 52.5 

4/2/2009 11 :54 0.0 0.0 52.5 

4/2/2009 11 :54 0.0 0.0 52.5 

4/2/2009 11 :55 0.0 0.0 52.5 

4/2/2009 11 :55 0.0 0.0 50.3 

4/2/2009 11 :55 0.0 0.0 47.0 

4/2/2009 11 :56 0.0 0.0 47.3 

4/2/2009 11 :56 0.0 0.0 47.1 

4/2/2009 11 :56 0.0 0.0 47.3 

4/2/2009 11 :57 8.4 7.7 15.0 

4/2/2009 11 :57 9.1 9.1 0.2 

4/2/2009 11 :57 9.0 9.0 0.1 

4/2/2009 11 :58 14.1 7.2 0.1 

4/2/2009 11 :58 21.1 4.9 0.1 

4/2/2009 11 :58 21.1 4.9 0.1 

4/2/2009 11 :59 21.1 4.9 0.1 

4/2/2009 11 :59 13.7 1.5 0.2 

4/2/2009 11 :59 0.0 0.0 0.7 

4/2/2009 12:00 0.0 0.0 0.8 

4/2/2009 12:00 0.0 0.0 0.8 

4/2/2009 12:00 0.0 0.0 0.7 

4/2/2009 12:01 0.0 0.0 0.7 

4/2/2009 12:01 10.3 1.4 0.9 

4/2/2009 12:01 16.1 2.0 2.5 

4/2/2009 12:02 1.8 0.2 4.3 

4/2/2009 12:02 0.1 0.0 4.7 

4/2/2009 12:02 0.1 0.0 4.1 

4/2/2009 12:03 0.1 0.0 3.1 

4/2/2009 12:03 0.1 0.0 2.3 

4/2/2009 12:03 1.1 0.2 1.9 

4/2/200912:04 13.8 3.3 1.5 

4/2/2009 12:04 20.8 4.9 1.0 

4/2/2009 12:04 21.0 4.9 0.7 

4/2/2009 12:05 21.1 4.9 0.6 

4/2/2009 12:05 21.1 4.9 0.5 

4/2/2009 12:05 21.1 5.0 0.5 

4/2/2009 12:06 12.6 2.9 0.4 

4/2/2009 12:06 0.2 0.1 1.3 

4/2/2009 12:06 0.1 0.0 3.9 

4/2/2009 12:07 0.1 0.0 6.2 

4/2/2009 12:07 0.1 0.0 6.9 

4/2/2009 12:07 1.4 0.2 7.0 

4/2/2009 12:08 17.2 2.3 5.5 

4/2/2009 12:08 18.2 2.3 2.7 

4/2/2009 12:08 18.3 2.4 2.3 

4/2/2009 12:09 18.3 2.4 2.9 

4/2/2009 12:09 18.3 2.4 3.4 

4/2/2009 12:09 18.3 2.4 3.7 

4/2/2009 12:10 18.3 2.4 4.0 

4/2/200912:10 18.3 2.3 4.1 

4/2/2009 12:10 18.3 2.3 4.1 

4/2/2009 12:11 18.3 2.3 4.1 

4/2/200912:11 18.3 2.4 4.1 

4/2/2009 12:11 18.3 2.3 4.0 

4/2/200912:12 18.3 2.3 4.0 

4/2/2009 12:12 18.3 2.3 3.9 

4/2/200912:12 18.3 2.3 4.0 

4/2/200912:13 18.3 2.4 3.9 

Page 1 of 11 

Notes 

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In Stack 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

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System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

In Stack 

In Stack 

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In Stack 

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In Stack 

In Stack 

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In Stack 

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Barr Engineering 

Sampled on 04/02/09 

ArcelorMittal Minorca Mine, Inc. 

Virginia, MN 

Reference Method Data 

Data Logger Output 

Indurating Furnace Stack D (SV017) 

Average Analyzer Results 

Run I 02,% I C02,% I S02, ppm 

1 18.3 2.3 3.9 

2 18.3 2.3 3.9 

3 18.3 2.4 4.7 

TOM CR1000 1362 CR1000.Std.08 

TIMESTAMP 02_Avg C02~vg S02_Avg 

TS Percent Percent PPM 

Avg Avg Avg 

4/2/2009 11 :52 0.0 0.0 2.0 

4/2/2009 11 :52 0.0 0.0 1.0 

4/2/2009 11 :52 0.1 0.0 0.9 

4/2/2009 11 :53 1.5 0.1 15.1 

4/2/2009 11 :53 0.0 0.0 48.8 

4/2/2009 11 :53 0.0 0.0 52.5 

4/2/2009 11 :54 0.0 0.0 52.5 

4/2/2009 11 :54 0.0 0.0 52.5 

4/2/2009 11 :54 0.0 0.0 52.5 

4/2/2009 11 :55 0.0 0.0 52.5 

4/2/2009 11 :55 0.0 0.0 50.3 

4/2/2009 11 :55 0.0 0.0 47.0 

4/2/2009 11 :56 0.0 0.0 47.3 

4/2/2009 11 :56 0.0 0.0 47.1 

4/2/2009 11 :56 0.0 0.0 47.3 

4/2/2009 11 :57 8.4 7.7 15.0 

4/2/2009 11 :57 9.1 9.1 0.2 

4/2/2009 11 :57 9.0 9.0 0.1 

4/2/2009 11 :58 14.1 7.2 0.1 

4/2/2009 11 :58 21.1 4.9 0.1 

4/2/2009 11 :58 21.1 4.9 0.1 

4/2/2009 11 :59 21.1 4.9 0.1 

4/2/2009 11 :59 13.7 1.5 0.2 

4/2/2009 11 :59 0.0 0.0 0.7 

4/2/2009 12:00 0.0 0.0 0.8 

4/2/2009 12:00 0.0 0.0 0.8 

4/2/2009 12:00 0.0 0.0 0.7 

4/2/2009 12:01 0.0 0.0 0.7 

4/2/2009 12:01 10.3 1.4 0.9 

4/2/2009 12:01 16.1 2.0 2.5 

4/2/2009 12:02 1.8 0.2 4.3 

4/2/2009 12:02 0.1 0.0 4.7 

4/2/2009 12:02 0.1 0.0 4.1 

4/2/2009 12:03 0.1 0.0 3.1 

4/2/2009 12:03 0.1 0.0 2.3 

4/2/2009 12:03 1.1 0.2 1.9 

4/2/200912:04 13.8 3.3 1.5 

4/2/2009 12:04 20.8 4.9 1.0 

4/2/2009 12:04 21.0 4.9 0.7 

4/2/2009 12:05 21.1 4.9 0.6 

4/2/2009 12:05 21.1 4.9 0.5 

4/2/2009 12:05 21.1 5.0 0.5 

4/2/2009 12:06 12.6 2.9 0.4 

4/2/2009 12:06 0.2 0.1 1.3 

4/2/2009 12:06 0.1 0.0 3.9 

4/2/2009 12:07 0.1 0.0 6.2 

4/2/2009 12:07 0.1 0.0 6.9 

4/2/2009 12:07 1.4 0.2 7.0 

4/2/2009 12:08 17.2 2.3 5.5 

4/2/2009 12:08 18.2 2.3 2.7 

4/2/2009 12:08 18.3 2.4 2.3 

4/2/2009 12:09 18.3 2.4 2.9 

4/2/2009 12:09 18.3 2.4 3.4 

4/2/2009 12:09 18.3 2.4 3.7 

4/2/2009 12:10 18.3 2.4 4.0 

4/2/200912:10 18.3 2.3 4.1 

4/2/2009 12:10 18.3 2.3 4.1 

4/2/2009 12:11 18.3 2.3 4.1 

4/2/200912:11 18.3 2.4 4.1 

4/2/2009 12:11 18.3 2.3 4.0 

4/2/200912:12 18.3 2.3 4.0 

4/2/2009 12:12 18.3 2.3 3.9 

4/2/200912:12 18.3 2.3 4.0 

4/2/200912:13 18.3 2.4 3.9 

Page 1 of 11 

Notes 

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In Stack 

In Stack 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

System Bias Check 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

In Stack 

Barr Engineering 

Sampled on 04/02/09 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 12:13 18.3 2.4 3.9 In Stack 

4/2/2009 12:13 18.3 2.3 4.0 In Stack 

4/2/2009 12:14 18.3 2.3 4.0 In Stack 

4/2/200912:14 18.3 2.3 4.1 In Stack 

4/2/200912:14 18.3 2.3 4.2 In Stack 

4/2/2009 12: 15 18.3 2.3 4.4 In Stack 

4/2/200912:15 18.3 2.3 4.6 In Stack 

4/2/2009 12:15 18.4 2.3 4.9 In Stack 

4/2/2009 12:16 18.4 2.3 5.1 In Stack 

4/2/2009 12:16 18.3 2.3 5.3 In Stack 

4/2/2009 12:16 18.3 2.3 5.3 In Stack 

4/2/2009 12:17 18.3 2.3 5.4 In Stack 

4/2/200912:17 18.3 2.3 5.5 In Stack 

4/2/2009 12:17 18.3 2.3 5.4 In Stack 

4/2/200912:18 18.3 2.4 5.4 In Stack 

4/2/2009 12:18 18.3 2.4 5.3 In Stack 

4/2/200912:18 18.3 2.4 5.2 In Stack 

4/2/2009 12:19 18.3 2.3 5.0 In Stack 

4/2/2009 12:19 18.3 2.4 4.9 In Stack 

4/2/2009 12: 19 18.3 2.4 4.9 In Stack 

4/2/2009 12:20 18.3 2.4 4.8 In Stack 

4/2/2009 12:20 18.3 2.4 4.7 In Stack 

4/2/2009 12:20 18.3 2.4 4.7 In Stack 

4/2/2009 12:21 18.3 2.4 4.7 In Stack 

4/2/2009 12:21 18.3 2.4 4.8 In Stack 

4/2/2009 12:21 18.3 2.4 4.7 In Stack 

4/2/2009 12:22 18.3 2.3 4.7 In Stack 

4/2/2009 12:22 18.3 2.4 4.7 In Stack 

4/2/200912:22 18.3 2.3 4.6 In Stack 

4/2/2009 12:23 18.3 2.3 4.6 In Stack 

4/2/2009 12:23 18.3 2.3 4.6 In Stack 

4/2/2009 12:23 18.4 2.3 4.7 In Stack 

4/2/2009 12:24 18.4 2.3 4.8 In Stack 

4/2/2009 12:24 18.3 2.3 4.9 In Stack 

4/2/2009 12:24 18.3 2.3 4.8 In Stack 

4/2/200912:25 18.4 2.3 4.8 In Stack 

4/2/200912:25 18.4 2.3 4.8 In Stack 

4/2/2009 12:25 18.3 2.3 4.8 In Stack 

4/2/2009 12:26 18.4 2.3 4.8 In Stack 

4/2/2009 12:26 18.4 2.3 4.6 In Stack 

4/2/200912:26 18.4 2.3 4.5 In Stack 

4/2/2009 12:27 18.4 2.3 4.5 In Stack 

4/2/2009 12:27 18.4 2.3 4.5 In Stack 

4/2/2009 12:27 18.4 2.3 4.5 In Stack 

4/2/2009 12:28 18.4 2.3 4.5 In Stack 

4/2/2009 12:28 18.4 2.3 4.5 In Stack 

4/2/2009 12:28 18.4 2.3 4.5 In Stack 

4/2/2009 12:29 18.4 2.3 4.5 In Stack 

4/2/2009 12:29 18.4 2.3 4.5 In Stack 

4/2/2009 12:29 18.4 2.3 4.6 In Stack 

4/2/2009 12:30 18.4 2.3 4.6 Run 1 

4/2/2009 12:30 18.4 2.3 4.6 Run 1 

4/2/2009 12:30 18.3 2.3 4.8 Run 1 

4/2/2009 12:31 18.3 2.3 4.8 Run 1 

4/2/2009 12:31 18.3 2.3 4.8 Run 1 

4/2/2009 12:31 18.4 2.3 4.9 Run 1 

4/2/2009 12:32 18.4 2.3 4.8 Run 1 

4/2/200912:32 18.4 2.3 4.7 Run 1 

4/2/2009 12:32 18.4 2.3 4.6 Run 1 

4/2/2009 12:33 18.4 2.3 4.6 Run 1 

4/2/2009 12:33 18.3 2.3 4.5 Run 1 

4/2/2009 12:33 18.4 2.3 4.3 Run 1 

4/2/2009 12:34 18.3 2.3 4.3 Run 1 

4/2/200912:34 18.3 2.3 4.1 Run 1 

4/2/2009 12:34 18.3 2.3 4.0 Run 1 

4/2/200912:35 18.3 2.3 3.8 Run 1 

4/2/2009 12:35 18.3 2.3 3.7 Run 1 

4/2/2009 12:35 18.3 2.3 3.6 Run 1 

4/2/2009 12:36 18.4 2.3 3.6 Run 1 

4/2/2009 12:36 18.3 2.4 3.7 Run 1 

4/2/2009 12:36 18.3 2.4 3.7 Run 1 

4/2/2009 12:37 18.3 2.4 3.6 Run 1 

4/2/2009 12:37 18.3 2.4 3.6 Run 1 

Page 2 of 11 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 12:13 18.3 2.4 3.9 In Stack 

4/2/2009 12:13 18.3 2.3 4.0 In Stack 

4/2/2009 12:14 18.3 2.3 4.0 In Stack 

4/2/200912:14 18.3 2.3 4.1 In Stack 

4/2/200912:14 18.3 2.3 4.2 In Stack 

4/2/2009 12: 15 18.3 2.3 4.4 In Stack 

4/2/200912:15 18.3 2.3 4.6 In Stack 

4/2/2009 12:15 18.4 2.3 4.9 In Stack 

4/2/2009 12:16 18.4 2.3 5.1 In Stack 

4/2/2009 12:16 18.3 2.3 5.3 In Stack 

4/2/2009 12:16 18.3 2.3 5.3 In Stack 

4/2/2009 12:17 18.3 2.3 5.4 In Stack 

4/2/200912:17 18.3 2.3 5.5 In Stack 

4/2/2009 12:17 18.3 2.3 5.4 In Stack 

4/2/200912:18 18.3 2.4 5.4 In Stack 

4/2/2009 12:18 18.3 2.4 5.3 In Stack 

4/2/200912:18 18.3 2.4 5.2 In Stack 

4/2/2009 12:19 18.3 2.3 5.0 In Stack 

4/2/2009 12:19 18.3 2.4 4.9 In Stack 

4/2/2009 12: 19 18.3 2.4 4.9 In Stack 

4/2/2009 12:20 18.3 2.4 4.8 In Stack 

4/2/2009 12:20 18.3 2.4 4.7 In Stack 

4/2/2009 12:20 18.3 2.4 4.7 In Stack 

4/2/2009 12:21 18.3 2.4 4.7 In Stack 

4/2/2009 12:21 18.3 2.4 4.8 In Stack 

4/2/2009 12:21 18.3 2.4 4.7 In Stack 

4/2/2009 12:22 18.3 2.3 4.7 In Stack 

4/2/2009 12:22 18.3 2.4 4.7 In Stack 

4/2/200912:22 18.3 2.3 4.6 In Stack 

4/2/2009 12:23 18.3 2.3 4.6 In Stack 

4/2/2009 12:23 18.3 2.3 4.6 In Stack 

4/2/2009 12:23 18.4 2.3 4.7 In Stack 

4/2/2009 12:24 18.4 2.3 4.8 In Stack 

4/2/2009 12:24 18.3 2.3 4.9 In Stack 

4/2/2009 12:24 18.3 2.3 4.8 In Stack 

4/2/200912:25 18.4 2.3 4.8 In Stack 

4/2/200912:25 18.4 2.3 4.8 In Stack 

4/2/2009 12:25 18.3 2.3 4.8 In Stack 

4/2/2009 12:26 18.4 2.3 4.8 In Stack 

4/2/2009 12:26 18.4 2.3 4.6 In Stack 

4/2/200912:26 18.4 2.3 4.5 In Stack 

4/2/2009 12:27 18.4 2.3 4.5 In Stack 

4/2/2009 12:27 18.4 2.3 4.5 In Stack 

4/2/2009 12:27 18.4 2.3 4.5 In Stack 

4/2/2009 12:28 18.4 2.3 4.5 In Stack 

4/2/2009 12:28 18.4 2.3 4.5 In Stack 

4/2/2009 12:28 18.4 2.3 4.5 In Stack 

4/2/2009 12:29 18.4 2.3 4.5 In Stack 

4/2/2009 12:29 18.4 2.3 4.5 In Stack 

4/2/2009 12:29 18.4 2.3 4.6 In Stack 

4/2/2009 12:30 18.4 2.3 4.6 Run 1 

4/2/2009 12:30 18.4 2.3 4.6 Run 1 

4/2/2009 12:30 18.3 2.3 4.8 Run 1 

4/2/2009 12:31 18.3 2.3 4.8 Run 1 

4/2/2009 12:31 18.3 2.3 4.8 Run 1 

4/2/2009 12:31 18.4 2.3 4.9 Run 1 

4/2/2009 12:32 18.4 2.3 4.8 Run 1 

4/2/200912:32 18.4 2.3 4.7 Run 1 

4/2/2009 12:32 18.4 2.3 4.6 Run 1 

4/2/2009 12:33 18.4 2.3 4.6 Run 1 

4/2/2009 12:33 18.3 2.3 4.5 Run 1 

4/2/2009 12:33 18.4 2.3 4.3 Run 1 

4/2/2009 12:34 18.3 2.3 4.3 Run 1 

4/2/200912:34 18.3 2.3 4.1 Run 1 

4/2/2009 12:34 18.3 2.3 4.0 Run 1 

4/2/200912:35 18.3 2.3 3.8 Run 1 

4/2/2009 12:35 18.3 2.3 3.7 Run 1 

4/2/2009 12:35 18.3 2.3 3.6 Run 1 

4/2/2009 12:36 18.4 2.3 3.6 Run 1 

4/2/2009 12:36 18.3 2.4 3.7 Run 1 

4/2/2009 12:36 18.3 2.4 3.7 Run 1 

4/2/2009 12:37 18.3 2.4 3.6 Run 1 

4/2/2009 12:37 18.3 2.4 3.6 Run 1 

Page 2 of 11 
ArcelorMittal Minorca Mine. Inc. Reference Method Data Barr Engineering 

Virginia. MN Data Logger Output Sampled on 04/02/09 

Indurating Fumace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 12:37 18.3 2.3 3.5 Run 1 

4/2/2009 12:38 18.3 2.3 3.5 Run 1 

4/2/2009 12:38 18.3 2.3 3.4 Run 1 

4/2/2009 12:38 18.3 2.3 3.5 Run 1 

4/2/2009 12:39 18.4 2.3 3.6 Run 1 

4/2/2009 12:39 18.4 2.3 3.7 Run 1 

4/2/2009 12:39 18.4 2.3 3.7 Run 1 

4/2/2009 12:40 18.4 2.3 3.8 Run 1 

4/2/2009 12:40 18.4 2.3 3.9 Run 1 

4/2/2009 12:40 18.4 2.3 3.7 Run 1 

4/2/2009 12:41 18.4 2.3 3.6 Run 1 

4/2/2009 12:41 18.4 2.3 3.6 Run 1 

4/2/2009 12:41 18.4 2.3 3.6 Run 1 

4/2/2009 12:42 18.4 2.3 3.5 Run 1 

4/2/2009 12:42 18.3 2.3 3.4 Run 1 

4/2/2009 12:42 18.4 2.3 3.3 Run 1 

4/2/2009 12:43 18.3 2.3 3.2 Run 1 

4/2/2009 12:43 18.3 2.3 3.3 Run 1 

4/2/2009 12:43 18.3 2.3 3.4 Run 1 

4/2/2009 12:44 18.3 2.3 3.4 Run 1 

4/2/2009 12:44 18.3 2.4 3.4 Run 1 

4/2/2009 12:44 18.3 2.4 3.5 Run 1 

4/2/2009 12:45 18.3 2.4 3.5 Run 1 

4/2/2009 12:45 18.3 2.4 3.4 Run 1 

4/2/2009 12:45 18.3 2.4 3.4 Run 1 

4/2/2009 12:46 18.3 2.4 3.4 Run 1 

4/2/2009 12:46 18.3 2.4 3.3 Run 1 

4/2/2009 12:46 18.3 2.4 3.3 Run 1 

4/2/200912:47 18.3 2.4 3.3 Run 1 

4/2/200912:47 18.3 2.4 3.2 Run 1 

4/2/2009 12:47 18.3 2.4 3.2 Run 1 

4/2/2009 12:48 18.3 2.4 3.1 Run 1 

4/2/2009 12:48 18.3 2.4 3.1 Run 1 

4/2/200912:48 18.3 2.4 3.1 Run 1 

4/2/2009 12:49 18.3 2.4 3.0 Run 1 

4/2/2009 12:49 18.3 2.4 3.0 Run 1 

4/2/2009 12:49 18.3 2.4 3.0 Run 1 

4/2/2009 12:50 18.3 2.4 3.0 Run 1 

4/2/2009 12:50 18.3 2.4 2.9 Run 1 

4/2/2009 12:50 18.3 2.4 2.9 Run 1 

4/2/2009 12:51 18.3 2.3 3.0 Run 1 

4/2/2009 12:51 18.3 2.4 3.0 Run 1 

4/2/2009 12:51 18.3 2.3 3.2 Run 1 

4/2/200912:52 18.3 2.3 3.3 Run 1 

4/2/2009 12:52 18.3 2.3 3.3 Run 1 

4/2/2009 12:52 18.3 2.3 3.5 Run 1 

4/2/2009 12:53 18.3 2.4 3.7 Run 1 

4/2/2009 12:53 18.3 2.4 3.9 Run 1 

4/2/2009 12:53 18.3 2.4 4.0 Run 1 

4/2/2009 12:54 18.3 2.3 4.1 Run 1 

4/2/2009 12:54 18.3 2.3 4.2 Run 1 

4/2/2009 12:54 18.3 2.3 4.3 Run 1 

4/2/2009 12:55 18.3 2.3 4.3 Run 1 

4/2/2009 12:55 18.4 2.3 4.3 Run 1 

4/2/2009 12:55 18.4 2.3 4.2 Run 1 

4/2/2009 12:56 18.4 2.3 4.2 Run 1 

4/2/2009 12:56 18.4 2.3 4.2 Run 1 

4/2/2009 12:56 18.4 2.3 4.2 Run 1 

4/2/2009 12:57 18.4 2.3 4.1 Run 1 

4/2/2009 12:57 18.4 2.3 4.0 Run 1 

4/2/2009 12:57 18.4 2.3 3.9 Run 1 

4/2/2009 12:58 18.4 2.3 3.9 Run 1 

4/2/2009 12:58 18.4 2.3 3.9 Run 1 

4/2/2009 12:58 18.3 2.3 4.0 Run 1 

4/2/2009 12:59 18.3 2.3 4.1 Run 1 

4/2/200912:59 18.4 2.3 4.1 Run 1 

4/2/2009 12:59 18.4 2.3 4.2 Run 1 

4/2/2009 13:00 18.3 2.3 4.4 Run 1 

4/2/2009 13:00 18.3 2.3 4.4 Run 1 

4/2/2009 13:00 18.3 2.3 4.4 Run 1 

4/2/2009 13:01 18.3 2.3 4.4 Run 1 

4/2/2009 13:01 18.3 2.3 4.4 Run 1 

4/2/2009 13:01 18.3 2.4 4.4 Run 1 

Page 3 of 11 

ArcelorMittal Minorca Mine. Inc. Reference Method Data Barr Engineering 

Virginia. MN Data Logger Output Sampled on 04/02/09 

Indurating Fumace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 12:37 18.3 2.3 3.5 Run 1 

4/2/2009 12:38 18.3 2.3 3.5 Run 1 

4/2/2009 12:38 18.3 2.3 3.4 Run 1 

4/2/2009 12:38 18.3 2.3 3.5 Run 1 

4/2/2009 12:39 18.4 2.3 3.6 Run 1 

4/2/2009 12:39 18.4 2.3 3.7 Run 1 

4/2/2009 12:39 18.4 2.3 3.7 Run 1 

4/2/2009 12:40 18.4 2.3 3.8 Run 1 

4/2/2009 12:40 18.4 2.3 3.9 Run 1 

4/2/2009 12:40 18.4 2.3 3.7 Run 1 

4/2/2009 12:41 18.4 2.3 3.6 Run 1 

4/2/2009 12:41 18.4 2.3 3.6 Run 1 

4/2/2009 12:41 18.4 2.3 3.6 Run 1 

4/2/2009 12:42 18.4 2.3 3.5 Run 1 

4/2/2009 12:42 18.3 2.3 3.4 Run 1 

4/2/2009 12:42 18.4 2.3 3.3 Run 1 

4/2/2009 12:43 18.3 2.3 3.2 Run 1 

4/2/2009 12:43 18.3 2.3 3.3 Run 1 

4/2/2009 12:43 18.3 2.3 3.4 Run 1 

4/2/2009 12:44 18.3 2.3 3.4 Run 1 

4/2/2009 12:44 18.3 2.4 3.4 Run 1 

4/2/2009 12:44 18.3 2.4 3.5 Run 1 

4/2/2009 12:45 18.3 2.4 3.5 Run 1 

4/2/2009 12:45 18.3 2.4 3.4 Run 1 

4/2/2009 12:45 18.3 2.4 3.4 Run 1 

4/2/2009 12:46 18.3 2.4 3.4 Run 1 

4/2/2009 12:46 18.3 2.4 3.3 Run 1 

4/2/2009 12:46 18.3 2.4 3.3 Run 1 

4/2/200912:47 18.3 2.4 3.3 Run 1 

4/2/200912:47 18.3 2.4 3.2 Run 1 

4/2/2009 12:47 18.3 2.4 3.2 Run 1 

4/2/2009 12:48 18.3 2.4 3.1 Run 1 

4/2/2009 12:48 18.3 2.4 3.1 Run 1 

4/2/200912:48 18.3 2.4 3.1 Run 1 

4/2/2009 12:49 18.3 2.4 3.0 Run 1 

4/2/2009 12:49 18.3 2.4 3.0 Run 1 

4/2/2009 12:49 18.3 2.4 3.0 Run 1 

4/2/2009 12:50 18.3 2.4 3.0 Run 1 

4/2/2009 12:50 18.3 2.4 2.9 Run 1 

4/2/2009 12:50 18.3 2.4 2.9 Run 1 

4/2/2009 12:51 18.3 2.3 3.0 Run 1 

4/2/2009 12:51 18.3 2.4 3.0 Run 1 

4/2/2009 12:51 18.3 2.3 3.2 Run 1 

4/2/200912:52 18.3 2.3 3.3 Run 1 

4/2/2009 12:52 18.3 2.3 3.3 Run 1 

4/2/2009 12:52 18.3 2.3 3.5 Run 1 

4/2/2009 12:53 18.3 2.4 3.7 Run 1 

4/2/2009 12:53 18.3 2.4 3.9 Run 1 

4/2/2009 12:53 18.3 2.4 4.0 Run 1 

4/2/2009 12:54 18.3 2.3 4.1 Run 1 

4/2/2009 12:54 18.3 2.3 4.2 Run 1 

4/2/2009 12:54 18.3 2.3 4.3 Run 1 

4/2/2009 12:55 18.3 2.3 4.3 Run 1 

4/2/2009 12:55 18.4 2.3 4.3 Run 1 

4/2/2009 12:55 18.4 2.3 4.2 Run 1 

4/2/2009 12:56 18.4 2.3 4.2 Run 1 

4/2/2009 12:56 18.4 2.3 4.2 Run 1 

4/2/2009 12:56 18.4 2.3 4.2 Run 1 

4/2/2009 12:57 18.4 2.3 4.1 Run 1 

4/2/2009 12:57 18.4 2.3 4.0 Run 1 

4/2/2009 12:57 18.4 2.3 3.9 Run 1 

4/2/2009 12:58 18.4 2.3 3.9 Run 1 

4/2/2009 12:58 18.4 2.3 3.9 Run 1 

4/2/2009 12:58 18.3 2.3 4.0 Run 1 

4/2/2009 12:59 18.3 2.3 4.1 Run 1 

4/2/200912:59 18.4 2.3 4.1 Run 1 

4/2/2009 12:59 18.4 2.3 4.2 Run 1 

4/2/2009 13:00 18.3 2.3 4.4 Run 1 

4/2/2009 13:00 18.3 2.3 4.4 Run 1 

4/2/2009 13:00 18.3 2.3 4.4 Run 1 

4/2/2009 13:01 18.3 2.3 4.4 Run 1 

4/2/2009 13:01 18.3 2.3 4.4 Run 1 

4/2/2009 13:01 18.3 2.4 4.4 Run 1 

Page 3 of 11 
ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

41212009 13:02 18.3 2.4 4.4 Run 1 

4/2/2009 13:02 18.3 2.3 4.4 Run 1 

4/2/2009 13:02 18.3 2.3 4.4 Run 1 

4/2/2009 13:03 18.3 2.3 4.5 Run 1 

4/2/2009 13:03 18.3 2.3 4.4 Run 1 

4/2/2009 13:03 18.3 2.3 4.3 Run 1 

4/2/2009 13:04 18.3 2.3 4.2 Run 1 

4/2/2009 13:04 18.4 2.3 4.1 Run 1 

4/2/2009 13:04 18.3 2.3 3.9 Run 1 

4/2/2009 13:05 18.3 2.3 3.8 Run 1 

4/2/2009 13:05 18.4 2.3 3.7 Run 1 

4/2/2009 13:05 18.3 2.3 3.6 Run 1 

4/2/2009 13:06 18.3 2.3 3.6 Run 1 

4/2/2009 13:06 18.3 2.3 3.6 Run 1 

4/2/200913:06 18.4 2.3 3.7 Run 1 

4/2/2009 13:07 18.4 2.3 3.8 Run 1 

4/2/2009 13:07 18.4 2.3 3.8 Run 1 

4/2/2009 13:07 18.3 2.3 3.9 Run 1 

4/2/2009 13:08 18.3 2.3 3.9 Run 1 

4/2/2009 13:08 18.3 2.3 4.1 Run 1 

4/2/2009 13:08 18.3 2.3 4.2 Run 1 

4/2/2009 13:09 18.3 2.3 4.3 Run 1 

4/2/2009 13:09 18.3 2.3 4.5 Run 1 

4/2/2009 13:09 18.3 2.3 4.6 Run 1 

4/2/2009 13:10 18.3 2.3 4.7 Run 1 

4/2/2009 13:10 18.3 2.3 4.8 Run 1 

4/2/2009 13: 10 18.3 2.3 4.9 Run 1 

4/2/2009 13:11 18.3 2.3 4.8 Run 1 

4/2/2009 13:11 18.3 2.3 4.7 Run 1 

4/2/2009 13:11 18.3 2.4 4.7 Run 1 

4/2/200913:12 18.3 2.3 4.6 Run 1 

4/2/200913:12 18.3 2.4 4.5 Run 1 

4/2/2009 13:12 18.3 2.4 4.4 Run 1 

4/2/2009 13:13 18.3 2.4 4.4 Run 1 

4/2/2009 13:13 18.3 2.4 4.3 Run 1 

4/2/200913:13 18.3 2.3 4.2 Run 1 

4/2/200913:14 18.3 2.3 4.2 Run 1 

4/2/200913:14 18.3 2.4 4.2 Run 1 

4/2/200913:14 18.3 2.4 4.2 Run 1 

4/2/200913:15 18.3 2.4 4.3 Run 1 

4/2/2009 13:15 18.3 2.4 4.3 Run 1 

4/2/2009 13:15 18.3 2.3 4.3 Run 1 

4/2/2009 13:16 18.3 2.4 4.2 Run 1 

4/2/2009 13:16 18.3 2.3 4.2 Run 1 

4/2/2009 13:16 18.3 2.4 4.3 Run 1 

4/2/2009 13:17 18.3 2.3 4.3 Run 1 

4/2/200913:17 18.3 2.4 4.1 Run 1 

4/2/2009 13:17 18.3 2.4 4.1 Run 1 

4/2/2009 13:18 18.3 2.4 4.0 Run 1 

4/2/2009 13:18 18.3 2.3 4.0 Run 1 

4/2/200913:18 18.3 2.3 3.9 Run 1 

4/2/2009 13:19 18.3 2.3 3.9 Run 1 

4/2/2009 13:19 18.3 2.3 3.8 Run 1 

4/2/2009 13:19 18.3 2.3 3.8 Run 1 

4/2/2009 13:20 18.3 2.3 3.7 Run 1 

4/2/2009 13:20 18.3 2.3 3.7 Run 1 

4/2/2009 13:20 18.3 2.3 3.7 Run 1 

4/2/200913:21 18.4 2.3 3.6 Run 1 

4/2/2009 13:21 18.4 2.3 3.6 Run 1 

4/2/2009 13:21 18.4 2.3 3.6 Run 1 

4/2/2009 13:22 18.4 2.3 3.7 Run 1 

4/2/2009 13:22 18.4 2.2 3.8 Run 1 

4/2/2009 13:22 18.4 2.2 3.9 Run 1 

4/2/2009 13:23 18.4 2.2 4.1 Run 1 

4/2/2009 13:23 18.4 2.2 4.2 Run 1 

4/2/200913:23 18.4 2.2 4.2 Run 1 

4/2/2009 13:24 18.4 2.3 4.3 Run 1 

4/2/2009 13:24 18.4 2.3 4.3 Run 1 

4/2/2009 13:24 18.4 2.3 4.4 Run 1 

4/2/2009 13:25 18.4 2.3 4.4 Run 1 

4/2/2009 13:25 18.4 2.3 4.4 Run 1 

4/2/2009 13:25 18.4 2.3 4.4 Run 1 

4/2/2009 13:26 18.4 2.3 4.3 Run 1 

Page 4 of 11 

ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

41212009 13:02 18.3 2.4 4.4 Run 1 

4/2/2009 13:02 18.3 2.3 4.4 Run 1 

4/2/2009 13:02 18.3 2.3 4.4 Run 1 

4/2/2009 13:03 18.3 2.3 4.5 Run 1 

4/2/2009 13:03 18.3 2.3 4.4 Run 1 

4/2/2009 13:03 18.3 2.3 4.3 Run 1 

4/2/2009 13:04 18.3 2.3 4.2 Run 1 

4/2/2009 13:04 18.4 2.3 4.1 Run 1 

4/2/2009 13:04 18.3 2.3 3.9 Run 1 

4/2/2009 13:05 18.3 2.3 3.8 Run 1 

4/2/2009 13:05 18.4 2.3 3.7 Run 1 

4/2/2009 13:05 18.3 2.3 3.6 Run 1 

4/2/2009 13:06 18.3 2.3 3.6 Run 1 

4/2/2009 13:06 18.3 2.3 3.6 Run 1 

4/2/200913:06 18.4 2.3 3.7 Run 1 

4/2/2009 13:07 18.4 2.3 3.8 Run 1 

4/2/2009 13:07 18.4 2.3 3.8 Run 1 

4/2/2009 13:07 18.3 2.3 3.9 Run 1 

4/2/2009 13:08 18.3 2.3 3.9 Run 1 

4/2/2009 13:08 18.3 2.3 4.1 Run 1 

4/2/2009 13:08 18.3 2.3 4.2 Run 1 

4/2/2009 13:09 18.3 2.3 4.3 Run 1 

4/2/2009 13:09 18.3 2.3 4.5 Run 1 

4/2/2009 13:09 18.3 2.3 4.6 Run 1 

4/2/2009 13:10 18.3 2.3 4.7 Run 1 

4/2/2009 13:10 18.3 2.3 4.8 Run 1 

4/2/2009 13: 10 18.3 2.3 4.9 Run 1 

4/2/2009 13:11 18.3 2.3 4.8 Run 1 

4/2/2009 13:11 18.3 2.3 4.7 Run 1 

4/2/2009 13:11 18.3 2.4 4.7 Run 1 

4/2/200913:12 18.3 2.3 4.6 Run 1 

4/2/200913:12 18.3 2.4 4.5 Run 1 

4/2/2009 13:12 18.3 2.4 4.4 Run 1 

4/2/2009 13:13 18.3 2.4 4.4 Run 1 

4/2/2009 13:13 18.3 2.4 4.3 Run 1 

4/2/200913:13 18.3 2.3 4.2 Run 1 

4/2/200913:14 18.3 2.3 4.2 Run 1 

4/2/200913:14 18.3 2.4 4.2 Run 1 

4/2/200913:14 18.3 2.4 4.2 Run 1 

4/2/200913:15 18.3 2.4 4.3 Run 1 

4/2/2009 13:15 18.3 2.4 4.3 Run 1 

4/2/2009 13:15 18.3 2.3 4.3 Run 1 

4/2/2009 13:16 18.3 2.4 4.2 Run 1 

4/2/2009 13:16 18.3 2.3 4.2 Run 1 

4/2/2009 13:16 18.3 2.4 4.3 Run 1 

4/2/2009 13:17 18.3 2.3 4.3 Run 1 

4/2/200913:17 18.3 2.4 4.1 Run 1 

4/2/2009 13:17 18.3 2.4 4.1 Run 1 

4/2/2009 13:18 18.3 2.4 4.0 Run 1 

4/2/2009 13:18 18.3 2.3 4.0 Run 1 

4/2/200913:18 18.3 2.3 3.9 Run 1 

4/2/2009 13:19 18.3 2.3 3.9 Run 1 

4/2/2009 13:19 18.3 2.3 3.8 Run 1 

4/2/2009 13:19 18.3 2.3 3.8 Run 1 

4/2/2009 13:20 18.3 2.3 3.7 Run 1 

4/2/2009 13:20 18.3 2.3 3.7 Run 1 

4/2/2009 13:20 18.3 2.3 3.7 Run 1 

4/2/200913:21 18.4 2.3 3.6 Run 1 

4/2/2009 13:21 18.4 2.3 3.6 Run 1 

4/2/2009 13:21 18.4 2.3 3.6 Run 1 

4/2/2009 13:22 18.4 2.3 3.7 Run 1 

4/2/2009 13:22 18.4 2.2 3.8 Run 1 

4/2/2009 13:22 18.4 2.2 3.9 Run 1 

4/2/2009 13:23 18.4 2.2 4.1 Run 1 

4/2/2009 13:23 18.4 2.2 4.2 Run 1 

4/2/200913:23 18.4 2.2 4.2 Run 1 

4/2/2009 13:24 18.4 2.3 4.3 Run 1 

4/2/2009 13:24 18.4 2.3 4.3 Run 1 

4/2/2009 13:24 18.4 2.3 4.4 Run 1 

4/2/2009 13:25 18.4 2.3 4.4 Run 1 

4/2/2009 13:25 18.4 2.3 4.4 Run 1 

4/2/2009 13:25 18.4 2.3 4.4 Run 1 

4/2/2009 13:26 18.4 2.3 4.3 Run 1 

Page 4 of 11 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 13:26 18.4 2.3 4.2 Run 1 

4/2/2009 13:26 18.4 2.3 4.1 Run 1 

4/2/2009 13:27 18.4 2.3 4.0 Run 1 

4/2/2009 13:27 18.3 2.3 3.8 Run 1 

4/2/2009 13:27 18.3 2.3 3.7 Run 1 

4/2/2009 13:28 18.3 2.3 3.6 Run 1 

4/2/2009 13:28 18.3 2.3 3.4 Run 1 

4/2/2009 13:28 18.3 2.3 3.2 Run 1 

4/2/2009 13:29 18.3 2.3 3.1 Run 1 

4/2/2009 13:29 18.3 2.3 3.1 Run 1 

4/2/2009 13:29 18.3 2.3 3.1 Run 1 

4/2/2009 13:30 18.3 2.3 3.1 Bias Drift Check 

4/2/2009 13:30 18.3 2.3 3.1 Bias Drift Check 

4/2/2009 13:30 18.3 2.3 3.1 Bias Drift Check 

4/2/2009 13:31 18.3 2.4 3.2 Bias Drift Check 

4/2/200913:31 18.3 2.4 3.2 Bias Drift Check 

4/2/2009 13:31 18.3 2.4 3.2 Bias Drift Check 

4/2/2009 13:32 14.2 1.8 3.2 Bias Drift Check 

4/2/2009 13:32 18.1 4.3 3.2 Bias Drift Check 

4/2/2009 13:32 21.0 4.9 2.5 Bias Drift Check 

4/2/2009 13:33 21.0 4.9 1.7 Bias Drift Check 

4/2/2009 13:33 21.0 4.9 1.3 Bias Drift Check 

4/2/2009 13:33 20.9 4.8 1.0 Bias Drift Check 

4/2/2009 13:34 5.1 1.1 0.9 Bias Drift Check 

4/2/2009 13:34 0.1 0.1 1.0 Bias Drift Check 

4/2/2009 13:34 0.1 0.0 1.4 Bias Drift Check 

4/2/2009 13:35 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 13:35 0.1 0.0 1.8 Bias Drift Check 

4/2/2009 13:35 0.1 0.0 1.8 Bias Drift Check 

4/2/2009 13:36 0.1 0.0 2.3 Bias Drift Check 

4/2/2009 13:36 0.1 0.0 4.8 Bias Drift Check 

4/2/2009 13:36 0.1 0.0 7.0 Bias Drift Check 

4/2/2009 13:37 0.1 0.0 7.5 In Stack 

4/2/2009 13:37 0.1 0.0 7.6 In Stack 

4/2/2009 13:37 7.5 1.1 7.2 In Stack 

4/2/2009 13:38 18.2 2.3 4.5 In Stack 

4/2/2009 13:38 18.3 2.3 1.9 In Stack 

4/2/2009 13:38 18.3 2.3 1.8 In Stack 

4/2/2009 13:39 18.3 2.3 2.3 In Stack 

4/2/2009 13:39 18.3 2.3 2.7 In Stack 

4/2/2009 13:39 18.4 2.3 3.1 In Stack 

4/2/2009 13:40 18.4 2.3 3.4 Run 2 

4/2/2009 13:40 18.4 2.3 3.6 Run 2 

4/2/2009 13:40 18.4 2.3 3.8 Run 2 

4/2/2009 13:41 18.4 2.3 4.0 Run 2 

4/2/2009 13:41 18.4 2.3 4.2 Run 2 

4/2/2009 13:41 18.4 2.3 4.3 Run 2 

4/2/2009 13:42 18.4 2.3 4.4 Run 2 

4/2/2009 13:42 18.4 2.3 4.4 Run 2 

4/2/2009 13:42 18.4 2.3 4.5 Run 2 

4/2/2009 13:43 18.4 2.3 4.5 Run 2 

4/2/2009 13:43 18.4 2.3 4.4 Run 2 

4/2/2009 13:43 18.4 2.3 4.2 Run 2 

4/2/2009 13:44 18.4 2.3 4.0 Run 2 

4/2/2009 13:44 18.4 2.3 3.9 Run 2 

4/2/2009 13:44 18.4 2.3 3.7 Run 2 

4/2/2009 13:45 18.4 2.3 3.7 Run 2 

4/2/2009 13:45 18.4 2.3 3.7 Run 2 

4/2/2009 13:45 18.4 2.3 3.6 Run 2 

4/2/2009 13:46 18.4 2.3 3.6 Run 2 

4/2/2009 13:46 18.4 2.3 3.5 Run 2 

4/2/2009 13:46 18.4 2.3 3.5 Run 2 

4/2/2009 13:47 18.4 2.3 3.5 Run 2 

4/2/2009 13:47 18.4 2.3 3.6 Run 2 

4/2/2009 13:47 18.4 2.3 3.7 Run 2 

4/2/2009 13:48 18.4 2.3 3.8 Run 2 

4/2/2009 13:48 18.4 2.3 3.9 Run 2 

4/2/2009 13:48 18.3 2.3 3.9 Run 2 

4/2/2009 13:49 18.3 2.3 4.0 Run 2 

4/2/2009 13:49 18.3 2.3 4.0 Run 2 

4/2/2009 13:49 18.3 2.3 4.0 Run 2 

4/2/2009 13:50 18.3 2.3 4.0 Run 2 

4/2/2009 13:50 18.3 2.3 4.1 Run 2 

Page 5 of 11 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 13:26 18.4 2.3 4.2 Run 1 

4/2/2009 13:26 18.4 2.3 4.1 Run 1 

4/2/2009 13:27 18.4 2.3 4.0 Run 1 

4/2/2009 13:27 18.3 2.3 3.8 Run 1 

4/2/2009 13:27 18.3 2.3 3.7 Run 1 

4/2/2009 13:28 18.3 2.3 3.6 Run 1 

4/2/2009 13:28 18.3 2.3 3.4 Run 1 

4/2/2009 13:28 18.3 2.3 3.2 Run 1 

4/2/2009 13:29 18.3 2.3 3.1 Run 1 

4/2/2009 13:29 18.3 2.3 3.1 Run 1 

4/2/2009 13:29 18.3 2.3 3.1 Run 1 

4/2/2009 13:30 18.3 2.3 3.1 Bias Drift Check 

4/2/2009 13:30 18.3 2.3 3.1 Bias Drift Check 

4/2/2009 13:30 18.3 2.3 3.1 Bias Drift Check 

4/2/2009 13:31 18.3 2.4 3.2 Bias Drift Check 

4/2/200913:31 18.3 2.4 3.2 Bias Drift Check 

4/2/2009 13:31 18.3 2.4 3.2 Bias Drift Check 

4/2/2009 13:32 14.2 1.8 3.2 Bias Drift Check 

4/2/2009 13:32 18.1 4.3 3.2 Bias Drift Check 

4/2/2009 13:32 21.0 4.9 2.5 Bias Drift Check 

4/2/2009 13:33 21.0 4.9 1.7 Bias Drift Check 

4/2/2009 13:33 21.0 4.9 1.3 Bias Drift Check 

4/2/2009 13:33 20.9 4.8 1.0 Bias Drift Check 

4/2/2009 13:34 5.1 1.1 0.9 Bias Drift Check 

4/2/2009 13:34 0.1 0.1 1.0 Bias Drift Check 

4/2/2009 13:34 0.1 0.0 1.4 Bias Drift Check 

4/2/2009 13:35 0.1 0.0 1.7 Bias Drift Check 

4/2/2009 13:35 0.1 0.0 1.8 Bias Drift Check 

4/2/2009 13:35 0.1 0.0 1.8 Bias Drift Check 

4/2/2009 13:36 0.1 0.0 2.3 Bias Drift Check 

4/2/2009 13:36 0.1 0.0 4.8 Bias Drift Check 

4/2/2009 13:36 0.1 0.0 7.0 Bias Drift Check 

4/2/2009 13:37 0.1 0.0 7.5 In Stack 

4/2/2009 13:37 0.1 0.0 7.6 In Stack 

4/2/2009 13:37 7.5 1.1 7.2 In Stack 

4/2/2009 13:38 18.2 2.3 4.5 In Stack 

4/2/2009 13:38 18.3 2.3 1.9 In Stack 

4/2/2009 13:38 18.3 2.3 1.8 In Stack 

4/2/2009 13:39 18.3 2.3 2.3 In Stack 

4/2/2009 13:39 18.3 2.3 2.7 In Stack 

4/2/2009 13:39 18.4 2.3 3.1 In Stack 

4/2/2009 13:40 18.4 2.3 3.4 Run 2 

4/2/2009 13:40 18.4 2.3 3.6 Run 2 

4/2/2009 13:40 18.4 2.3 3.8 Run 2 

4/2/2009 13:41 18.4 2.3 4.0 Run 2 

4/2/2009 13:41 18.4 2.3 4.2 Run 2 

4/2/2009 13:41 18.4 2.3 4.3 Run 2 

4/2/2009 13:42 18.4 2.3 4.4 Run 2 

4/2/2009 13:42 18.4 2.3 4.4 Run 2 

4/2/2009 13:42 18.4 2.3 4.5 Run 2 

4/2/2009 13:43 18.4 2.3 4.5 Run 2 

4/2/2009 13:43 18.4 2.3 4.4 Run 2 

4/2/2009 13:43 18.4 2.3 4.2 Run 2 

4/2/2009 13:44 18.4 2.3 4.0 Run 2 

4/2/2009 13:44 18.4 2.3 3.9 Run 2 

4/2/2009 13:44 18.4 2.3 3.7 Run 2 

4/2/2009 13:45 18.4 2.3 3.7 Run 2 

4/2/2009 13:45 18.4 2.3 3.7 Run 2 

4/2/2009 13:45 18.4 2.3 3.6 Run 2 

4/2/2009 13:46 18.4 2.3 3.6 Run 2 

4/2/2009 13:46 18.4 2.3 3.5 Run 2 

4/2/2009 13:46 18.4 2.3 3.5 Run 2 

4/2/2009 13:47 18.4 2.3 3.5 Run 2 

4/2/2009 13:47 18.4 2.3 3.6 Run 2 

4/2/2009 13:47 18.4 2.3 3.7 Run 2 

4/2/2009 13:48 18.4 2.3 3.8 Run 2 

4/2/2009 13:48 18.4 2.3 3.9 Run 2 

4/2/2009 13:48 18.3 2.3 3.9 Run 2 

4/2/2009 13:49 18.3 2.3 4.0 Run 2 

4/2/2009 13:49 18.3 2.3 4.0 Run 2 

4/2/2009 13:49 18.3 2.3 4.0 Run 2 

4/2/2009 13:50 18.3 2.3 4.0 Run 2 

4/2/2009 13:50 18.3 2.3 4.1 Run 2 

Page 5 of 11 
ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 13:50 18.4 2.3 4.2 Run 2 

4/2/2009 13:51 18.3 2.3 4.2 Run 2 

4/2/2009 13:51 18.3 2.3 4.2 Run 2 

4/2/2009 13:51 18.3 2.4 4.1 Run 2 

4/2/2009 13:52 18.3 2.4 3.9 Run 2 

4/2/2009 13: 52 18.3 2.4 3.7 Run 2 

4/2/2009 13:52 18.3 2.4 3.7 Run 2 

4/2/2009 13:53 18.3 2.4 3.5 Run 2 

4/2/2009 13:53 18.3 2.4 3.3 Run 2 

4/2/2009 13:53 18.3 2.4 3.2 Run 2 

4/2/2009 13:54 18.3 2.4 3.1 Run 2 

4/2/2009 13:54 18.3 2.4 3.0 Run 2 

4/2/2009 13:54 18.3 2.4 2.9 Run 2 

4/2/2009 13:55 18.3 2.4 2.9 Run 2 

4/2/2009 13:55 18.3 2.4 2.8 Run 2 

4/2/2009 13:55 18.3 2.4 2.8 Run 2 

4/2/2009 13:56 18.3 2.4 2.8 Run 2 

4/2/2009 13:56 18.3 2.4 2.9 Run 2 

4/2/2009 13:56 18.3 2.4 2.9 Run 2 

4/2/2009 13:57 18.3 2.4 2.9 Run 2 

4/2/2009 13:57 18.3 2.3 3.0 Run 2 

4/2/2009 13:57 18.3 2.3 3.0 Run 2 

4/2/2009 13:58 18.3 2.3 3.0 Run 2 

4/2/2009 13:58 18.3 2.3 3.1 Run 2 

4/2/2009 13:58 18.3 2.3 3.2 Run 2 

4/2/2009 13:59 18.3 2.4 3.3 Run 2 

4/2/2009 13:59 18.3 2.4 3.4 Run 2 

4/2/2009 13:59 18.3 2.4 3.5 Run 2 

4/2/2009 14:00 18.3 2.4 3.4 Run 2 

4/2/2009 14:00 18.3 2.4 3.4 Run 2 

4/2/2009 14:00 18.3 2.4 3.4 Run 2 

4/2/2009 14:01 18.3 2.3 3.3 Run 2 

4/2/200914:01 18.3 2.3 3.3 Run 2 

4/2/2009 14:01 18.3 2.3 3.3 Run 2 

4/2/2009 14:02 18.3 2.4 3.2 Run 2 

4/2/2009 14:02 18.3 2.3 3.3 Run 2 

4/2/2009 14:02 18.3 2.3 3.3 Run 2 

4/2/2009 14:03 18.3 2.3 3.4 Run 2 

4/2/200914:03 18.3 2.3 3.4 Run 2 

4/2/2009 14:03 18.3 2.3 3.5 Run 2 

4/2/200914:04 18.3 2.3 3.7 Run 2 

4/2/2009 14:04 18.3 2.3 3.9 Run 2 

4/2/200914:04 18.4 2.3 4.1 Run 2 

4/2/2009 14:05 18.3 2.3 4.3 Run 2 

4/2/2009 14:05 18.3 2.3 4.5 Run 2 

4/2/200914:05 18.3 2.3 4.6 Run 2 

4/2/200914:06 18.3 2.3 4.7 Run 2 

4/2/2009 14:06 18.3 2.3 4.8 Run 2 

4/2/2009 14:06 18.3 2.3 4.8 Run 2 

4/2/2009 14:07 18.3 2.3 4.8 Run 2 

4/2/200914:07 18.3 2.3 4.8 Run 2 

4/2/2009 14:07 18.3 2.3 4.8 Run 2 

4/2/2009 14:08 18.3 2.3 4.8 Run 2 

4/2/2009 14:08 18.3 2.3 4.8 Run 2 

4/2/2009 14:08 18.3 2.3 4.9 Run 2 

4/2/2009 14:09 18.3 2.3 4.8 Run 2 

4/2/2009 14:09 18.3 2.3 4.7 Run 2 

4/2/2009 14:09 18.3 2.3 4.6 Run 2 

4/2/2009 14:10 18.3 2.3 4.5 Run 2 

4/2/2009 14: 10 18.4 2.3 4.4 Run 2 

4/2/200914:10 18.4 2.3 4.4 Run 2 

4/2/200914:11 18.4 2.3 4.2 Run 2 

4/2/2009 14:11 18.4 2.3 4.1 Run 2 

4/2/200914:11 18.4 2.3 4.1 Run 2 

4/2/200914:12 18.4 2.3 4.0 Run 2 

4/2/2009 14:12 18.4 2.3 4.0 Run 2 

4/2/200914:12 18.4 2.3 4.0 Run 2 

4/2/200914:13 18.4 2.3 4.1 Run 2 

4/2/200914:13 18.4 2.3 4.3 Run 2 

4/2/200914:13 18.3 2.3 4.5 Run 2 

4/2/200914:14 18.4 2.3 4.6 Run 2 

4/2/200914:14 18.4 2.3 4.6 Run 2 

4/2/200914:14 18.3 2.3 4.6 Run 2 

Page 6 of 11 

ArcelorMitlal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 13:50 18.4 2.3 4.2 Run 2 

4/2/2009 13:51 18.3 2.3 4.2 Run 2 

4/2/2009 13:51 18.3 2.3 4.2 Run 2 

4/2/2009 13:51 18.3 2.4 4.1 Run 2 

4/2/2009 13:52 18.3 2.4 3.9 Run 2 

4/2/2009 13: 52 18.3 2.4 3.7 Run 2 

4/2/2009 13:52 18.3 2.4 3.7 Run 2 

4/2/2009 13:53 18.3 2.4 3.5 Run 2 

4/2/2009 13:53 18.3 2.4 3.3 Run 2 

4/2/2009 13:53 18.3 2.4 3.2 Run 2 

4/2/2009 13:54 18.3 2.4 3.1 Run 2 

4/2/2009 13:54 18.3 2.4 3.0 Run 2 

4/2/2009 13:54 18.3 2.4 2.9 Run 2 

4/2/2009 13:55 18.3 2.4 2.9 Run 2 

4/2/2009 13:55 18.3 2.4 2.8 Run 2 

4/2/2009 13:55 18.3 2.4 2.8 Run 2 

4/2/2009 13:56 18.3 2.4 2.8 Run 2 

4/2/2009 13:56 18.3 2.4 2.9 Run 2 

4/2/2009 13:56 18.3 2.4 2.9 Run 2 

4/2/2009 13:57 18.3 2.4 2.9 Run 2 

4/2/2009 13:57 18.3 2.3 3.0 Run 2 

4/2/2009 13:57 18.3 2.3 3.0 Run 2 

4/2/2009 13:58 18.3 2.3 3.0 Run 2 

4/2/2009 13:58 18.3 2.3 3.1 Run 2 

4/2/2009 13:58 18.3 2.3 3.2 Run 2 

4/2/2009 13:59 18.3 2.4 3.3 Run 2 

4/2/2009 13:59 18.3 2.4 3.4 Run 2 

4/2/2009 13:59 18.3 2.4 3.5 Run 2 

4/2/2009 14:00 18.3 2.4 3.4 Run 2 

4/2/2009 14:00 18.3 2.4 3.4 Run 2 

4/2/2009 14:00 18.3 2.4 3.4 Run 2 

4/2/2009 14:01 18.3 2.3 3.3 Run 2 

4/2/200914:01 18.3 2.3 3.3 Run 2 

4/2/2009 14:01 18.3 2.3 3.3 Run 2 

4/2/2009 14:02 18.3 2.4 3.2 Run 2 

4/2/2009 14:02 18.3 2.3 3.3 Run 2 

4/2/2009 14:02 18.3 2.3 3.3 Run 2 

4/2/2009 14:03 18.3 2.3 3.4 Run 2 

4/2/200914:03 18.3 2.3 3.4 Run 2 

4/2/2009 14:03 18.3 2.3 3.5 Run 2 

4/2/200914:04 18.3 2.3 3.7 Run 2 

4/2/2009 14:04 18.3 2.3 3.9 Run 2 

4/2/200914:04 18.4 2.3 4.1 Run 2 

4/2/2009 14:05 18.3 2.3 4.3 Run 2 

4/2/2009 14:05 18.3 2.3 4.5 Run 2 

4/2/200914:05 18.3 2.3 4.6 Run 2 

4/2/200914:06 18.3 2.3 4.7 Run 2 

4/2/2009 14:06 18.3 2.3 4.8 Run 2 

4/2/2009 14:06 18.3 2.3 4.8 Run 2 

4/2/2009 14:07 18.3 2.3 4.8 Run 2 

4/2/200914:07 18.3 2.3 4.8 Run 2 

4/2/2009 14:07 18.3 2.3 4.8 Run 2 

4/2/2009 14:08 18.3 2.3 4.8 Run 2 

4/2/2009 14:08 18.3 2.3 4.8 Run 2 

4/2/2009 14:08 18.3 2.3 4.9 Run 2 

4/2/2009 14:09 18.3 2.3 4.8 Run 2 

4/2/2009 14:09 18.3 2.3 4.7 Run 2 

4/2/2009 14:09 18.3 2.3 4.6 Run 2 

4/2/2009 14:10 18.3 2.3 4.5 Run 2 

4/2/2009 14: 10 18.4 2.3 4.4 Run 2 

4/2/200914:10 18.4 2.3 4.4 Run 2 

4/2/200914:11 18.4 2.3 4.2 Run 2 

4/2/2009 14:11 18.4 2.3 4.1 Run 2 

4/2/200914:11 18.4 2.3 4.1 Run 2 

4/2/200914:12 18.4 2.3 4.0 Run 2 

4/2/2009 14:12 18.4 2.3 4.0 Run 2 

4/2/200914:12 18.4 2.3 4.0 Run 2 

4/2/200914:13 18.4 2.3 4.1 Run 2 

4/2/200914:13 18.4 2.3 4.3 Run 2 

4/2/200914:13 18.3 2.3 4.5 Run 2 

4/2/200914:14 18.4 2.3 4.6 Run 2 

4/2/200914:14 18.4 2.3 4.6 Run 2 

4/2/200914:14 18.3 2.3 4.6 Run 2 

Page 6 of 11 
ArcelorMittal Minorca Mine. Inc. Reference Method Data Barr Engineering 

Virginia. MN Data Logger Output Sampled on 04/02/09 

Indurating Fumace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/200914:15 18.3 2.3 4.7 Run 2 

4/2/200914:15 18.3 2.3 4.8 Run 2 

4/2/200914:15 18.3 2.3 4.8 Run 2 

4/2/200914:16 18.3 2.3 4.9 Run 2 

4/2/200914:16 18.3 2.4 4.9 Run 2 

4/2/200914:16 18.3 2.4 4.8 Run 2 

4/2/2009 14: 17 18.3 2.4 4.6 Run 2 

4/2/2009 14:17 18.3 2.4 4.6 Run 2 

4/2/2009 14:17 18.3 2.4 4.5 Run 2 

4/2/200914:18 18.3 2.4 4.4 Run 2 

4/2/200914:18 18.3 2.4 4.3 Run 2 

4/2/200914:18 18.3 2.3 4.2 Run 2 

4/2/200914:19 18.3 2.3 4.1 Run 2 

4/2/200914:19 18.3 2.4 4.0 Run 2 

4/2/200914:19 18.3 2.4 3.9 Run 2 

4/2/2009 14:20 18.3 2.4 3.9 Run 2 

4/2/2009 14:20 18.3 2.4 3.7 Run 2 

4/2/2009 14:20 18.3 2.4 3.6 Run 2 

4/2/2009 14:21 18.3 2.4 3.6 Run 2 

4/2/2009 14:21 18.3 2.4 3.5 Run 2 

4/2/2009 14:21 18.3 2.4 3.4 Run 2 

4/2/2009 14:22 18.3 2.4 3.3 Run 2 

4/2/200914:22 18.3 2.4 3.2 Run 2 

4/2/200914:22 18.3 2.4 3.2 Run 2 

4/2/200914:23 18.3 2.4 3.2 Run 2 

4/2/2009 14 :23 18.3 2.4 3.1 Run 2 

4/2/2009 14:23 18.3 2.4 3.2 Run 2 

4/2/2009 14:24 18.3 2.4 3.2 Run 2 

4/2/2009 14:24 18.3 2.3 3.2 Run 2 

4/2/2009 14:24 18.3 2.3 3.3 Run 2 

4/2/2009 14:25 18.3 2.3 3.4 Run 2 

4/2/2009 14:25 18.3 2.3 3.5 Run 2 

4/2/2009 14:25 18.3 2.3 3.6 Run 2 

4/2/2009 14:26 18.3 2.3 3.7 Run 2 

4/2/2009 14:26 18.3 2.3 3.9 Run 2 

4/2/2009 14:26 18.3 2.3 4.0 Run 2 

4/2/2009 14:27 18.4 2.3 3.9 Run 2 

4/2/2009 14:27 18.3 2.3 3.9 Run 2 

4/2/2009 14:27 18.3 2.3 3.9 Run 2 

4/2/2009 14:28 18.3 2.3 3.9 Run 2 

4/2/2009 14:28 18.3 2.3 3.9 Run 2 

4/2/2009 14:28 18.3 2.3 3.9 Run 2 

4/2/2009 14:29 18.3 2.3 3.9 Run 2 

4/2/2009 14:29 18.3 2.3 4.0 Run 2 

4/2/2009 14:29 18.3 2.3 4.1 Run 2 

4/2/200914:30 18.3 2.3 4.2 Run 2 

4/2/2009 14:30 18.3 2.3 4.3 Run 2 

4/2/200914:30 18.3 2.3 4.3 Run 2 

4/2/2009 14:31 18.3 2.4 4.4 Run 2 

4/2/200914:31 18.3 2.4 4.3 Run 2 

4/2/200914:31 18.3 2.4 4.3 Run 2 

4/2/2009 14:32 18.3 2.4 4.3 Run 2 

4/2/2009 14:32 18.3 2.4 4.3 Run 2 

4/2/200914:32 18.3 2.4 4.2 Run 2 

4/2/200914:33 18.3 2.4 4.2 Run 2 

4/2/2009 14:33 18.2 2.4 4.1 Run 2 

4/2/2009 14:33 18.3 2.4 4.0 Run 2 

4/2/2009 14:34 18.3 2.4 4.0 Run 2 

4/2/200914:34 18.3 2.4 4.0 Run 2 

4/2/2009 14:34 18.3 2.4 4.0 Run 2 

4/2/2009 14:35 18.3 2.4 4.0 Run 2 

4/2/2009 14:35 18.3 2.4 3.9 Run 2 

4/2/200914:35 18.3 2.4 3.8 Run 2 

4/2/2009 14:36 18.3 2.3 3.8 Run 2 

4/2/2009 14:36 18.3 2.3 3.9 Run 2 

4/2/2009 14:36 18.3 2.3 3.9 Run 2 

4/2/200914:37 18.3 2.3 3.8 Run 2 

4/2/2009 14:37 18.3 2.3 3.8 Run 2 

4/2/2009 14:37 18.3 2.3 3.7 Run 2 

4/2/2009 14:38 18.4 2.3 3.9 Run 2 

4/2/2009 14:38 18.4 2.3 4.0 Run 2 

4/2/2009 14:38 18.3 2.3 4.1 Run 2 

4/2/2009 14:39 18.4 2.3 4.3 Run 2 

Page 7 of 11 

ArcelorMittal Minorca Mine. Inc. Reference Method Data Barr Engineering 

Virginia. MN Data Logger Output Sampled on 04/02/09 

Indurating Fumace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/200914:15 18.3 2.3 4.7 Run 2 

4/2/200914:15 18.3 2.3 4.8 Run 2 

4/2/200914:15 18.3 2.3 4.8 Run 2 

4/2/200914:16 18.3 2.3 4.9 Run 2 

4/2/200914:16 18.3 2.4 4.9 Run 2 

4/2/200914:16 18.3 2.4 4.8 Run 2 

4/2/2009 14: 17 18.3 2.4 4.6 Run 2 

4/2/2009 14:17 18.3 2.4 4.6 Run 2 

4/2/2009 14:17 18.3 2.4 4.5 Run 2 

4/2/200914:18 18.3 2.4 4.4 Run 2 

4/2/200914:18 18.3 2.4 4.3 Run 2 

4/2/200914:18 18.3 2.3 4.2 Run 2 

4/2/200914:19 18.3 2.3 4.1 Run 2 

4/2/200914:19 18.3 2.4 4.0 Run 2 

4/2/200914:19 18.3 2.4 3.9 Run 2 

4/2/2009 14:20 18.3 2.4 3.9 Run 2 

4/2/2009 14:20 18.3 2.4 3.7 Run 2 

4/2/2009 14:20 18.3 2.4 3.6 Run 2 

4/2/2009 14:21 18.3 2.4 3.6 Run 2 

4/2/2009 14:21 18.3 2.4 3.5 Run 2 

4/2/2009 14:21 18.3 2.4 3.4 Run 2 

4/2/2009 14:22 18.3 2.4 3.3 Run 2 

4/2/200914:22 18.3 2.4 3.2 Run 2 

4/2/200914:22 18.3 2.4 3.2 Run 2 

4/2/200914:23 18.3 2.4 3.2 Run 2 

4/2/2009 14 :23 18.3 2.4 3.1 Run 2 

4/2/2009 14:23 18.3 2.4 3.2 Run 2 

4/2/2009 14:24 18.3 2.4 3.2 Run 2 

4/2/2009 14:24 18.3 2.3 3.2 Run 2 

4/2/2009 14:24 18.3 2.3 3.3 Run 2 

4/2/2009 14:25 18.3 2.3 3.4 Run 2 

4/2/2009 14:25 18.3 2.3 3.5 Run 2 

4/2/2009 14:25 18.3 2.3 3.6 Run 2 

4/2/2009 14:26 18.3 2.3 3.7 Run 2 

4/2/2009 14:26 18.3 2.3 3.9 Run 2 

4/2/2009 14:26 18.3 2.3 4.0 Run 2 

4/2/2009 14:27 18.4 2.3 3.9 Run 2 

4/2/2009 14:27 18.3 2.3 3.9 Run 2 

4/2/2009 14:27 18.3 2.3 3.9 Run 2 

4/2/2009 14:28 18.3 2.3 3.9 Run 2 

4/2/2009 14:28 18.3 2.3 3.9 Run 2 

4/2/2009 14:28 18.3 2.3 3.9 Run 2 

4/2/2009 14:29 18.3 2.3 3.9 Run 2 

4/2/2009 14:29 18.3 2.3 4.0 Run 2 

4/2/2009 14:29 18.3 2.3 4.1 Run 2 

4/2/200914:30 18.3 2.3 4.2 Run 2 

4/2/2009 14:30 18.3 2.3 4.3 Run 2 

4/2/200914:30 18.3 2.3 4.3 Run 2 

4/2/2009 14:31 18.3 2.4 4.4 Run 2 

4/2/200914:31 18.3 2.4 4.3 Run 2 

4/2/200914:31 18.3 2.4 4.3 Run 2 

4/2/2009 14:32 18.3 2.4 4.3 Run 2 

4/2/2009 14:32 18.3 2.4 4.3 Run 2 

4/2/200914:32 18.3 2.4 4.2 Run 2 

4/2/200914:33 18.3 2.4 4.2 Run 2 

4/2/2009 14:33 18.2 2.4 4.1 Run 2 

4/2/2009 14:33 18.3 2.4 4.0 Run 2 

4/2/2009 14:34 18.3 2.4 4.0 Run 2 

4/2/200914:34 18.3 2.4 4.0 Run 2 

4/2/2009 14:34 18.3 2.4 4.0 Run 2 

4/2/2009 14:35 18.3 2.4 4.0 Run 2 

4/2/2009 14:35 18.3 2.4 3.9 Run 2 

4/2/200914:35 18.3 2.4 3.8 Run 2 

4/2/2009 14:36 18.3 2.3 3.8 Run 2 

4/2/2009 14:36 18.3 2.3 3.9 Run 2 

4/2/2009 14:36 18.3 2.3 3.9 Run 2 

4/2/200914:37 18.3 2.3 3.8 Run 2 

4/2/2009 14:37 18.3 2.3 3.8 Run 2 

4/2/2009 14:37 18.3 2.3 3.7 Run 2 

4/2/2009 14:38 18.4 2.3 3.9 Run 2 

4/2/2009 14:38 18.4 2.3 4.0 Run 2 

4/2/2009 14:38 18.3 2.3 4.1 Run 2 

4/2/2009 14:39 18.4 2.3 4.3 Run 2 

Page 7 of 11 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 14:39 18.3 2.3 4.4 Run 2 

4/2/2009 14:39 18.3 2.3 4.6 Run 2 

4/2/2009 14:40 18.4 2.3 4.8 

4/2/2009 14:40 18.4 2.3 4.8 

4/2/2009 14:40 18.3 2.3 4.8 

4/2/2009 14:41 18.3 2.3 4.9 

4/2/2009 14:41 18.3 2.3 4.9 

4/2/2009 14:41 18.3 2.3 4.9 

4/2/2009 14:42 12.3 1.7 4.9 

4/2/2009 14:42 19.9 4.7 4.7 Bias Drift Check 

4/2/2009 14:42 21.0 4.9 3.6 Bias Drift Check 

4/2/200914:43 21.0 5.0 2.5 Bias Drift Check 

4/2/2009 14:43 18.2 4.2 1.9 Bias Drift Check 

4/2/2009 14:43 0.7 0.2 1.5 Bias Drift Check 

4/2/2009 14:44 0.1 0.1 1.5 Bias Drift Check 

4/2/2009 14:44 0.1 0.1 1.9 Bias Drift Check 

4/2/2009 14:44 0.1 0.1 2.1 Bias Drift Check 

4/2/2009 14:45 0.1 0.0 2.2 Bias Drift Check 

4/2/2009 14:45 0.1 0.0 2.1 Bias Drift Check 

4/2/2009 14:45 0.1 0.0 2.7 Bias Drift Check 

4/2/2009 14:46 0.1 0.0 5.2 Bias Drift Check 

4/2/200914:46 0.1 0.0 7.2 Bias Drift Check 

4/2/2009 14:46 0.1 0.0 7.4 Bias Drift Check 

4/2/200914:47 0.1 0.0 7.4 Bias Drift Check 

4/2/2009 14:47 11.9 1.7 6.6 Bias Drift Check 

4/2/2009 14:47 18.2 2.3 3.7 In Stack 

4/2/2009 14:48 18.3 2.4 1.8 In Stack 

4/2/2009 14:48 18.3 2.3 2.0 In Stack 

4/2/2009 14:48 18.3 2.3 2.4 In Stack 

4/2/200914:49 18.3 2.4 2.7 In Stack 

4/2/2009 14:49 18.3 2.3 3.0 In Stack 

4/2/2009 14:49 18.3 2.4 3.3 In Stack 

4/2/2009 14:50 18.3 2.4 3.5 Run 3 

4/2/2009 14:50 18.3 2.3 3.6 Run 3 

4/2/2009 14:50 18.3 2.3 3.8 Run 3 

4/2/200914:51 18.3 2.3 3.9 Run 3 

4/2/2009 14:51 18.3 2.3 4.0 Run 3 

4/2/2009 14:51 18.3 2.3 4.2 Run 3 

4/2/2009 14:52 18.3 2.3 4.2 Run 3 

4/2/2009 14:52 18.3 2.3 4.1 Run 3 

4/2/2009 14:52 18.3 2.3 4.1 Run 3 

4/2/2009 14:53 18.3 2.3 4.1 Run 3 

4/2/2009 14:53 18.4 2.3 4.0 Run 3 

4/2/2009 14:53 18.3 2.3 3.9 Run 3 

4/2/2009 14:54 18.3 2.3 3.9 Run 3 

4/2/2009 14:54 18.3 2.3 3.8 Run 3 

4/2/2009 14:54 18.3 2.3 3.7 Run 3 

4/2/2009 14:55 18.3 2.3 3.7 Run 3 

4/2/2009 14:55 18.3 2.3 3.7 Run 3 

4/2/2009 14:55 18.3 2.3 3.8 Run 3 

4/2/200914:56 18.3 2.3 3.8 Run 3 

4/2/2009 14:56 18.3 2.3 3.9 Run 3 

4/2/2009 14:56 18.3 2.4 3.9 Run 3 

4/2/2009 14:57 18.3 2.4 3.8 Run 3 

4/2/2009 14:57 18.3 2.4 3.9 Run 3 

4/2/200914:57 18.3 2.4 3.9 Run 3 

4/2/2009 14:58 18.3 2.4 3.9 Run 3 

4/2/200914:58 18.3 2.4 3.9 Run 3 

4/2/2009 14:58 18.3 2.4 3.9 Run 3 

4/2/200914:59 18.3 2.3 3.8 Run 3 

4/2/2009 14:59 18.3 2.3 3.9 Run 3 

4/2/2009 14:59 18.3 2.3 3.9 Run 3 

4/2/2009 15:00 18.3 2.3 3.9 Run 3 

4/2/2009 15:00 18.3 2.3 3.9 Run 3 

4/2/2009 15:00 18.3 2.3 3.8 Run 3 

4/2/2009 15:01 18.3 2.3 3.8 Run 3 

4/2/2009 15:01 18.3 2.3 3.8 Run 3 

4/2/2009 15:01 18.3 2.3 3.7 Run 3 

4/2/2009 15:02 18.3 2.3 3.7 Run 3 

4/2/2009 15:02 18.3 2.3 3.6 Run 3 

4/2/2009 15:02 18.3 2.3 3.6 Run 3 

4/2/2009 15:03 18.3 2.3 3.6 Run 3 

4/2/2009 15:03 18.3 2.3 3.7 Run 3 

Page 8 of 11 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 14:39 18.3 2.3 4.4 Run 2 

4/2/2009 14:39 18.3 2.3 4.6 Run 2 

4/2/2009 14:40 18.4 2.3 4.8 

4/2/2009 14:40 18.4 2.3 4.8 

4/2/2009 14:40 18.3 2.3 4.8 

4/2/2009 14:41 18.3 2.3 4.9 

4/2/2009 14:41 18.3 2.3 4.9 

4/2/2009 14:41 18.3 2.3 4.9 

4/2/2009 14:42 12.3 1.7 4.9 

4/2/2009 14:42 19.9 4.7 4.7 Bias Drift Check 

4/2/2009 14:42 21.0 4.9 3.6 Bias Drift Check 

4/2/200914:43 21.0 5.0 2.5 Bias Drift Check 

4/2/2009 14:43 18.2 4.2 1.9 Bias Drift Check 

4/2/2009 14:43 0.7 0.2 1.5 Bias Drift Check 

4/2/2009 14:44 0.1 0.1 1.5 Bias Drift Check 

4/2/2009 14:44 0.1 0.1 1.9 Bias Drift Check 

4/2/2009 14:44 0.1 0.1 2.1 Bias Drift Check 

4/2/2009 14:45 0.1 0.0 2.2 Bias Drift Check 

4/2/2009 14:45 0.1 0.0 2.1 Bias Drift Check 

4/2/2009 14:45 0.1 0.0 2.7 Bias Drift Check 

4/2/2009 14:46 0.1 0.0 5.2 Bias Drift Check 

4/2/200914:46 0.1 0.0 7.2 Bias Drift Check 

4/2/2009 14:46 0.1 0.0 7.4 Bias Drift Check 

4/2/200914:47 0.1 0.0 7.4 Bias Drift Check 

4/2/2009 14:47 11.9 1.7 6.6 Bias Drift Check 

4/2/2009 14:47 18.2 2.3 3.7 In Stack 

4/2/2009 14:48 18.3 2.4 1.8 In Stack 

4/2/2009 14:48 18.3 2.3 2.0 In Stack 

4/2/2009 14:48 18.3 2.3 2.4 In Stack 

4/2/200914:49 18.3 2.4 2.7 In Stack 

4/2/2009 14:49 18.3 2.3 3.0 In Stack 

4/2/2009 14:49 18.3 2.4 3.3 In Stack 

4/2/2009 14:50 18.3 2.4 3.5 Run 3 

4/2/2009 14:50 18.3 2.3 3.6 Run 3 

4/2/2009 14:50 18.3 2.3 3.8 Run 3 

4/2/200914:51 18.3 2.3 3.9 Run 3 

4/2/2009 14:51 18.3 2.3 4.0 Run 3 

4/2/2009 14:51 18.3 2.3 4.2 Run 3 

4/2/2009 14:52 18.3 2.3 4.2 Run 3 

4/2/2009 14:52 18.3 2.3 4.1 Run 3 

4/2/2009 14:52 18.3 2.3 4.1 Run 3 

4/2/2009 14:53 18.3 2.3 4.1 Run 3 

4/2/2009 14:53 18.4 2.3 4.0 Run 3 

4/2/2009 14:53 18.3 2.3 3.9 Run 3 

4/2/2009 14:54 18.3 2.3 3.9 Run 3 

4/2/2009 14:54 18.3 2.3 3.8 Run 3 

4/2/2009 14:54 18.3 2.3 3.7 Run 3 

4/2/2009 14:55 18.3 2.3 3.7 Run 3 

4/2/2009 14:55 18.3 2.3 3.7 Run 3 

4/2/2009 14:55 18.3 2.3 3.8 Run 3 

4/2/200914:56 18.3 2.3 3.8 Run 3 

4/2/2009 14:56 18.3 2.3 3.9 Run 3 

4/2/2009 14:56 18.3 2.4 3.9 Run 3 

4/2/2009 14:57 18.3 2.4 3.8 Run 3 

4/2/2009 14:57 18.3 2.4 3.9 Run 3 

4/2/200914:57 18.3 2.4 3.9 Run 3 

4/2/2009 14:58 18.3 2.4 3.9 Run 3 

4/2/200914:58 18.3 2.4 3.9 Run 3 

4/2/2009 14:58 18.3 2.4 3.9 Run 3 

4/2/200914:59 18.3 2.3 3.8 Run 3 

4/2/2009 14:59 18.3 2.3 3.9 Run 3 

4/2/2009 14:59 18.3 2.3 3.9 Run 3 

4/2/2009 15:00 18.3 2.3 3.9 Run 3 

4/2/2009 15:00 18.3 2.3 3.9 Run 3 

4/2/2009 15:00 18.3 2.3 3.8 Run 3 

4/2/2009 15:01 18.3 2.3 3.8 Run 3 

4/2/2009 15:01 18.3 2.3 3.8 Run 3 

4/2/2009 15:01 18.3 2.3 3.7 Run 3 

4/2/2009 15:02 18.3 2.3 3.7 Run 3 

4/2/2009 15:02 18.3 2.3 3.6 Run 3 

4/2/2009 15:02 18.3 2.3 3.6 Run 3 

4/2/2009 15:03 18.3 2.3 3.6 Run 3 

4/2/2009 15:03 18.3 2.3 3.7 Run 3 

Page 8 of 11 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Fumace Stack D (SV017) 

TIMESTAMP 02~vg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 15:03 18.3 2.3 3.7 Run 3 

4/2/2009 15:04 18.3 2.3 3.8 Run 3 

4/2/2009 15:04 18.3 2.3 3.9 Run 3 

4/2/2009 15:04 18.3 2.3 3.9 Run 3 

4/2/2009 15:05 18.3 2.3 4.1 Run 3 

4/2/2009 15:05 18.3 2.3 4.2 Run 3 

4/2/2009 15:05 18.3 2.3 4.3 Run 3 

4/2/2009 15:06 18.3 2.3 4.4 Run 3 

4/2/2009 15:06 18.3 2.4 4.5 Run 3 

4/2/2009 15:06 18.3 2.4 4.6 Run 3 

4/2/2009 15:07 18.3 2.4 4.6 Run 3 

4/2/2009 15:07 18.3 2.4 4.6 Run 3 

4/2/2009 15:07 18.3 2.4 4.6 Run 3 

4/2/2009 15:08 18.3 2.4 4.5 Run 3 

4/2/2009 15:08 18.3 2.4 4.4 Run 3 

4/2/2009 15:08 18.3 2.4 4.3 Run 3 

4/2/2009 15:09 18.3 2.4 4.2 Run 3 

4/2/2009 15:09 18.3 2.4 4.1 Run 3 

4/2/2009 15:09 18.3 2.4 4.1 Run 3 

4/2/200915:10 18.3 2.4 4.0 Run 3 

4/2/2009 15:10 18.3 2.4 3.9 Run 3 

4/2/2009 15:10 18.3 2.4 3.9 Run 3 

4/2/2009 15:11 18.3 2.4 3.8 Run 3 

4/2/2009 15:11 18.3 2.4 3.8 Run 3 

4/2/2009 15:11 18.3 2.4 3.9 Run 3 

4/2/2009 15:12 18.3 2.4 3.9 Run 3 

4/2/200915:12 18.3 2.3 4.0 Run 3 

4/2/200915:12 18.3 2.4 4.0 Run 3 

4/2/2009 15:13 18.3 2.4 4.1 Run 3 

4/2/2009 15:13 18.3 2.4 4.2 Run 3 

4/2/2009 15:13 18.3 2.3 4.4 Run 3 

4/2/200915:14 18.3 2.4 4.5 Run 3 

4/2/200915:14 18.3 2.4 4.5 Run 3 

4/2/200915:14 18.3 2.3 4.7 Run 3 

4/2/2009 15:15 18.3 2.4 4.7 Run 3 

4/2/200915:15 18.3 2.4 4.8 Run 3 

4/2/2009 15:15 18.3 2.3 4.8 Run 3 

4/2/200915:16 18.3 2.4 4.8 Run 3 

4/2/200915:16 18.3 2.3 4.9 Run 3 

4/2/200915:16 18.3 2.4 4.9 Run 3 

4/2/200915:17 18.3 2.4 4.9 Run 3 

4/2/2009 15:17 18.3 2.4 4.9 Run 3 

4/2/2009 15: 17 18.3 2.4 4.8 Run 3 

4/2/2009 15:18 18.3 2.4 4.9 Run 3 

4/2/2009 15:18 18.3 2.4 5.0 Run 3 

4/2/2009 15:18 18.3 2.4 5.1 Run 3 

4/2/2009 15:19 18.3 2.4 5.1 Run 3 

4/2/200915:19 18.3 2.3 5.3 Run 3 

4/2/2009 15:19 18.3 2.3 5.3 Run 3 

4/2/2009 15:20 18.3 2.4 5.3 Run 3 

4/2/2009 15:20 18.3 2.4 5.3 Run 3 

4/2/2009 15:20 18.3 2.4 5.2 Run 3 

4/2/2009 15:21 18.3 2.4 5.2 Run 3 

4/2/200915:21 18.3 2.4 5.3 Run 3 

4/2/2009 15:21 18.3 2.4 5.3 Run 3 

4/2/2009 15:22 18.3 2.4 5.2 Run 3 

4/2/2009 15:22 18.3 2.4 5.1 Run 3 

4/2/2009 15:22 18.3 2.4 5.1 Run 3 

4/2/2009 15:23 18.3 2.4 5.1 Run 3 

4/2/2009 15:23 18.3 2.4 5.1 Run 3 

4/2/2009 15:23 18.3 2.3 5.2 Run 3 

4/2/2009 15:24 18.3 2.3 5.2 Run 3 

4/2/2009 15:24 18.3 2.3 5.3 Run 3 

4/2/2009 15:24 18.3 2.3 5.3 Run 3 

4/2/2009 15:25 18.3 2.3 5.3 Run 3 

4/2/2009 15:25 18.4 2.3 5.3 Run 3 

4/2/2009 15:25 18.4 2.3 5.3 Run 3 

4/2/2009 15:26 18.4 2.3 5.2 Run 3 

4/2/2009 15:26 18.3 2.3 5.2 Run 3 

4/2/2009 15:26 18.3 2.3 5.3 Run 3 

4/2/2009 15:27 18.3 2.3 5.5 Run 3 

4/2/2009 15:27 18.4 2.3 5.5 Run 3 

4/2/2009 15:27 18.3 2.3 5.5 Run 3 

Page 9 of 11 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Fumace Stack D (SV017) 

TIMESTAMP 02~vg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 15:03 18.3 2.3 3.7 Run 3 

4/2/2009 15:04 18.3 2.3 3.8 Run 3 

4/2/2009 15:04 18.3 2.3 3.9 Run 3 

4/2/2009 15:04 18.3 2.3 3.9 Run 3 

4/2/2009 15:05 18.3 2.3 4.1 Run 3 

4/2/2009 15:05 18.3 2.3 4.2 Run 3 

4/2/2009 15:05 18.3 2.3 4.3 Run 3 

4/2/2009 15:06 18.3 2.3 4.4 Run 3 

4/2/2009 15:06 18.3 2.4 4.5 Run 3 

4/2/2009 15:06 18.3 2.4 4.6 Run 3 

4/2/2009 15:07 18.3 2.4 4.6 Run 3 

4/2/2009 15:07 18.3 2.4 4.6 Run 3 

4/2/2009 15:07 18.3 2.4 4.6 Run 3 

4/2/2009 15:08 18.3 2.4 4.5 Run 3 

4/2/2009 15:08 18.3 2.4 4.4 Run 3 

4/2/2009 15:08 18.3 2.4 4.3 Run 3 

4/2/2009 15:09 18.3 2.4 4.2 Run 3 

4/2/2009 15:09 18.3 2.4 4.1 Run 3 

4/2/2009 15:09 18.3 2.4 4.1 Run 3 

4/2/200915:10 18.3 2.4 4.0 Run 3 

4/2/2009 15:10 18.3 2.4 3.9 Run 3 

4/2/2009 15:10 18.3 2.4 3.9 Run 3 

4/2/2009 15:11 18.3 2.4 3.8 Run 3 

4/2/2009 15:11 18.3 2.4 3.8 Run 3 

4/2/2009 15:11 18.3 2.4 3.9 Run 3 

4/2/2009 15:12 18.3 2.4 3.9 Run 3 

4/2/200915:12 18.3 2.3 4.0 Run 3 

4/2/200915:12 18.3 2.4 4.0 Run 3 

4/2/2009 15:13 18.3 2.4 4.1 Run 3 

4/2/2009 15:13 18.3 2.4 4.2 Run 3 

4/2/2009 15:13 18.3 2.3 4.4 Run 3 

4/2/200915:14 18.3 2.4 4.5 Run 3 

4/2/200915:14 18.3 2.4 4.5 Run 3 

4/2/200915:14 18.3 2.3 4.7 Run 3 

4/2/2009 15:15 18.3 2.4 4.7 Run 3 

4/2/200915:15 18.3 2.4 4.8 Run 3 

4/2/2009 15:15 18.3 2.3 4.8 Run 3 

4/2/200915:16 18.3 2.4 4.8 Run 3 

4/2/200915:16 18.3 2.3 4.9 Run 3 

4/2/200915:16 18.3 2.4 4.9 Run 3 

4/2/200915:17 18.3 2.4 4.9 Run 3 

4/2/2009 15:17 18.3 2.4 4.9 Run 3 

4/2/2009 15: 17 18.3 2.4 4.8 Run 3 

4/2/2009 15:18 18.3 2.4 4.9 Run 3 

4/2/2009 15:18 18.3 2.4 5.0 Run 3 

4/2/2009 15:18 18.3 2.4 5.1 Run 3 

4/2/2009 15:19 18.3 2.4 5.1 Run 3 

4/2/200915:19 18.3 2.3 5.3 Run 3 

4/2/2009 15:19 18.3 2.3 5.3 Run 3 

4/2/2009 15:20 18.3 2.4 5.3 Run 3 

4/2/2009 15:20 18.3 2.4 5.3 Run 3 

4/2/2009 15:20 18.3 2.4 5.2 Run 3 

4/2/2009 15:21 18.3 2.4 5.2 Run 3 

4/2/200915:21 18.3 2.4 5.3 Run 3 

4/2/2009 15:21 18.3 2.4 5.3 Run 3 

4/2/2009 15:22 18.3 2.4 5.2 Run 3 

4/2/2009 15:22 18.3 2.4 5.1 Run 3 

4/2/2009 15:22 18.3 2.4 5.1 Run 3 

4/2/2009 15:23 18.3 2.4 5.1 Run 3 

4/2/2009 15:23 18.3 2.4 5.1 Run 3 

4/2/2009 15:23 18.3 2.3 5.2 Run 3 

4/2/2009 15:24 18.3 2.3 5.2 Run 3 

4/2/2009 15:24 18.3 2.3 5.3 Run 3 

4/2/2009 15:24 18.3 2.3 5.3 Run 3 

4/2/2009 15:25 18.3 2.3 5.3 Run 3 

4/2/2009 15:25 18.4 2.3 5.3 Run 3 

4/2/2009 15:25 18.4 2.3 5.3 Run 3 

4/2/2009 15:26 18.4 2.3 5.2 Run 3 

4/2/2009 15:26 18.3 2.3 5.2 Run 3 

4/2/2009 15:26 18.3 2.3 5.3 Run 3 

4/2/2009 15:27 18.3 2.3 5.5 Run 3 

4/2/2009 15:27 18.4 2.3 5.5 Run 3 

4/2/2009 15:27 18.3 2.3 5.5 Run 3 

Page 9 of 11 
ArcelorMiltal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 15:28 18.3 2.3 5.6 Run 3 

4/2/2009 15:28 18.3 2.3 5.7 Run 3 

4/2/2009 15:28 18.3 2.3 5.8 Run 3 

4/2/2009 15:29 18.3 2.3 5.8 Run 3 

4/2/2009 15:29 18.3 2.3 5.9 Run 3 

4/2/200915:29 18.3 2.4 6.0 Run 3 

4/2/2009 15:30 18.3 2.4 6.0 Run 3 

4/2/2009 15:30 18.3 2.4 5.9 Run 3 

4/2/2009 15:30 18.3 2.4 5.8 Run 3 

4/2/2009 15:31 18.3 2.4 5.6 Run 3 

4/2/2009 15:31 18.3 2.4 5.5 Run 3 

4/2/2009 15:31 18.3 2.4 5.2 Run 3 

4/2/2009 15:32 18.3 2.4 5.1 Run 3 

4/2/2009 15:32 18.3 2.3 5.1 Run 3 

4/2/2009 15:32 18.3 2.3 5.0 Run 3 

4/2/2009 15:33 18.3 2.3 5.0 Run 3 

4/2/2009 15:33 18.3 2.3 5.0 Run 3 

4/2/2009 15:33 18.4 2.3 5.1 Run 3 

4/2/2009 15:34 18.3 2.3 5.1 Run 3 

4/2/2009 15:34 18.3 2.3 5.1 Run 3 

4/2/2009 15:34 18.3 2.3 5.1 Run 3 

4/2/2009 15:35 18.3 2.3 5.1 Run 3 

4/2/2009 15:35 18.3 2.4 5.1 Run 3 

4/2/2009 15:35 18.3 2.4 5.2 Run 3 

4/2/2009 15:36 18.3 2.4 5.2 Run 3 

4/2/2009 15:36 18.3 2.3 5.2 Run 3 

4/2/2009 15:36 18.3 2.3 5.4 Run 3 

4/2/2009 15:37 18.3 2.4 5.5 Run 3 

4/2/2009 15:37 18.3 2.4 5.5 Run 3 

4/2/2009 15:37 18.3 2.4 5.6 Run 3 

4/2/2009 15:38 18.3 2.4 5.6 Run 3 

4/2/2009 15:38 18.3 2.4 5.6 Run 3 

4/2/2009 15:38 18.3 2.4 5.6 Run 3 

4/2/2009 15:39 18.3 2.4 5.5 Run 3 

4/2/2009 15:39 18.3 2.4 5.4 Run 3 

4/2/2009 15:39 18.3 2.4 5.3 Run 3 

4/2/2009 15:40 18.3 2.4 5.2 Run 3 

4/2/2009 15:40 18.3 2.4 5.1 Run 3 

4/2/2009 15:40 18.3 2.4 5.0 Run 3 

4/2/2009 15:41 18.3 2.4 4.8 Run 3 

4/2/2009 15:41 18.3 2.4 4.6 Run 3 

4/2/2009 15:41 18.3 2.4 4.5 Run 3 

4/2/2009 15:42 18.3 2.4 4.5 Run 3 

4/2/2009 15:42 18.3 2.4 4.5 Run 3 

4/2/2009 15:42 18.3 2.4 4.7 Run 3 

4/2/2009 15:43 18.3 2.3 4.8 Run 3 

4/2/2009 15:43 18.3 2.3 4.8 Run 3 

4/2/2009 15:43 18.3 2.3 4.9 Run 3 

4/2/2009 15:44 18.3 2.3 5.0 Run 3 

4/2/2009 15:44 18.3 2.3 5.2 Run 3 

4/2/2009 15:44 18.3 2.4 5.5 Run 3 

4/2/2009 15:45 18.3 2.3 5.6 Run 3 

4/2/2009 15:45 18.3 2.3 5.7 Run 3 

4/2/2009 15:45 18.3 2.3 5.8 Run 3 

4/2/2009 15:46 18.3 2.3 5.8 Run 3 

4/2/2009 15:46 18.3 2.3 5.8 Run 3 

4/2/2009 15:46 18.3 2.3 5.8 Run 3 

4/2/2009 15:47 18.3 2.4 5.8 Run 3 

4/2/2009 15:47 18.3 2.4 5.7 Run 3 

4/2/2009 15:47 18.3 2.4 5.7 Run 3 

4/2/2009 15:48 18.3 2.4 5.7 Run 3 

4/2/2009 15:48 18.3 2.4 5.6 Run 3 

4/2/2009 15:48 18.3 2.4 5.4 Run 3 

4/2/2009 15:49 18.3 2.4 5.3 Run 3 

4/2/2009 15:49 18.3 2.4 5.1 Run 3 

4/2/2009 15:49 18.3 2.4 5.1 Run 3 

4/2/2009 15:50 18.3 2.4 5.0 

4/2/2009 15:50 18.3 2.4 4.9 

4/2/2009 15:50 18.3 2.4 4.9 

4/2/2009 15:51 18.3 2.4 4.9 Bias Drift Check 

4/2/2009 15:51 12.0 2.2 4.8 Bias Drift Check 

4/2/2009 15:51 20.8 4.9 4.4 Bias Drift Check 

4/2/2009 15:52 21.0 5.0 3.1 Bias Drift Check 

Page 10 of 11 

ArcelorMiltal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 15:28 18.3 2.3 5.6 Run 3 

4/2/2009 15:28 18.3 2.3 5.7 Run 3 

4/2/2009 15:28 18.3 2.3 5.8 Run 3 

4/2/2009 15:29 18.3 2.3 5.8 Run 3 

4/2/2009 15:29 18.3 2.3 5.9 Run 3 

4/2/200915:29 18.3 2.4 6.0 Run 3 

4/2/2009 15:30 18.3 2.4 6.0 Run 3 

4/2/2009 15:30 18.3 2.4 5.9 Run 3 

4/2/2009 15:30 18.3 2.4 5.8 Run 3 

4/2/2009 15:31 18.3 2.4 5.6 Run 3 

4/2/2009 15:31 18.3 2.4 5.5 Run 3 

4/2/2009 15:31 18.3 2.4 5.2 Run 3 

4/2/2009 15:32 18.3 2.4 5.1 Run 3 

4/2/2009 15:32 18.3 2.3 5.1 Run 3 

4/2/2009 15:32 18.3 2.3 5.0 Run 3 

4/2/2009 15:33 18.3 2.3 5.0 Run 3 

4/2/2009 15:33 18.3 2.3 5.0 Run 3 

4/2/2009 15:33 18.4 2.3 5.1 Run 3 

4/2/2009 15:34 18.3 2.3 5.1 Run 3 

4/2/2009 15:34 18.3 2.3 5.1 Run 3 

4/2/2009 15:34 18.3 2.3 5.1 Run 3 

4/2/2009 15:35 18.3 2.3 5.1 Run 3 

4/2/2009 15:35 18.3 2.4 5.1 Run 3 

4/2/2009 15:35 18.3 2.4 5.2 Run 3 

4/2/2009 15:36 18.3 2.4 5.2 Run 3 

4/2/2009 15:36 18.3 2.3 5.2 Run 3 

4/2/2009 15:36 18.3 2.3 5.4 Run 3 

4/2/2009 15:37 18.3 2.4 5.5 Run 3 

4/2/2009 15:37 18.3 2.4 5.5 Run 3 

4/2/2009 15:37 18.3 2.4 5.6 Run 3 

4/2/2009 15:38 18.3 2.4 5.6 Run 3 

4/2/2009 15:38 18.3 2.4 5.6 Run 3 

4/2/2009 15:38 18.3 2.4 5.6 Run 3 

4/2/2009 15:39 18.3 2.4 5.5 Run 3 

4/2/2009 15:39 18.3 2.4 5.4 Run 3 

4/2/2009 15:39 18.3 2.4 5.3 Run 3 

4/2/2009 15:40 18.3 2.4 5.2 Run 3 

4/2/2009 15:40 18.3 2.4 5.1 Run 3 

4/2/2009 15:40 18.3 2.4 5.0 Run 3 

4/2/2009 15:41 18.3 2.4 4.8 Run 3 

4/2/2009 15:41 18.3 2.4 4.6 Run 3 

4/2/2009 15:41 18.3 2.4 4.5 Run 3 

4/2/2009 15:42 18.3 2.4 4.5 Run 3 

4/2/2009 15:42 18.3 2.4 4.5 Run 3 

4/2/2009 15:42 18.3 2.4 4.7 Run 3 

4/2/2009 15:43 18.3 2.3 4.8 Run 3 

4/2/2009 15:43 18.3 2.3 4.8 Run 3 

4/2/2009 15:43 18.3 2.3 4.9 Run 3 

4/2/2009 15:44 18.3 2.3 5.0 Run 3 

4/2/2009 15:44 18.3 2.3 5.2 Run 3 

4/2/2009 15:44 18.3 2.4 5.5 Run 3 

4/2/2009 15:45 18.3 2.3 5.6 Run 3 

4/2/2009 15:45 18.3 2.3 5.7 Run 3 

4/2/2009 15:45 18.3 2.3 5.8 Run 3 

4/2/2009 15:46 18.3 2.3 5.8 Run 3 

4/2/2009 15:46 18.3 2.3 5.8 Run 3 

4/2/2009 15:46 18.3 2.3 5.8 Run 3 

4/2/2009 15:47 18.3 2.4 5.8 Run 3 

4/2/2009 15:47 18.3 2.4 5.7 Run 3 

4/2/2009 15:47 18.3 2.4 5.7 Run 3 

4/2/2009 15:48 18.3 2.4 5.7 Run 3 

4/2/2009 15:48 18.3 2.4 5.6 Run 3 

4/2/2009 15:48 18.3 2.4 5.4 Run 3 

4/2/2009 15:49 18.3 2.4 5.3 Run 3 

4/2/2009 15:49 18.3 2.4 5.1 Run 3 

4/2/2009 15:49 18.3 2.4 5.1 Run 3 

4/2/2009 15:50 18.3 2.4 5.0 

4/2/2009 15:50 18.3 2.4 4.9 

4/2/2009 15:50 18.3 2.4 4.9 

4/2/2009 15:51 18.3 2.4 4.9 Bias Drift Check 

4/2/2009 15:51 12.0 2.2 4.8 Bias Drift Check 

4/2/2009 15:51 20.8 4.9 4.4 Bias Drift Check 

4/2/2009 15:52 21.0 5.0 3.1 Bias Drift Check 

Page 10 of 11 
ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 15:52 21.0 5.0 2.2 Bias Drift Check 

4/2/2009 15:52 21.0 5.0 1.7 Bias Drift Check 

4/2/2009 15:53 13.2 3.0 1.3 Bias Drift Check 

4/2/2009 15:53 0.2 0.1 1.2 Bias Drift Check 

4/2/2009 15:53 0.1 0.1 1.5 Bias Drift Check 

4/2/2009 15 :54 0.1 0.1 2.0 Bias Drift Check 

4/2/2009 15:54 0.1 0.1 2.2 Bias Drift Check 

4/2/2009 15:54 0.1 0.1 2.3 Bias Drift Check 

4/2/2009 15:55 0.1 0.1 2.2 Bias Drift Check 

4/2/2009 15:55 0.1 0.1 3.3 Bias Drift Check 

4/2/2009 15:55 0.1 0.1 5.9 Bias Drift Check 

4/2/2009 15:56 0.1 0.1 7.1 Bias Drift Check 

4/2/2009 15:56 0.1 0.1 7.2 Bias Drift Check 

4/2/2009 15:56 0.1 0.1 7.2 Bias Drift Check 

4/2/2009 15:57 0.1 0.1 7.2 Bias Drift Check 

4/2/2009 15:57 0.1 0.1 6.7 Bias Drift Check 

4/2/2009 15:57 0.1 0.1 4.3 Bias Drift Check 

4/2/2009 15:58 0.1 0.1 2.4 Bias Drift Check 

4/2/2009 15:58 0.0 0.1 2.1 Bias Drift Check 

4/2/2009 15:58 0.1 0.1 2.0 Bias Drift Check 

4/2/2009 15:59 0.0 0.1 2.0 Bias Drift Check 

4/2/2009 15:59 0.0 0.1 2.0 Bias Drift Check 

4/2/2009 15:59 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:00 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:00 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:00 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:01 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:01 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:01 0.1 0.1 1.9 Bias Drift Check 

4/2/2009 16:02 0.0 0.1 2.4 Bias Drift Check 

4/2/2009 16:02 0.0 0.1 4.4 Bias Drift Check 

4/2/2009 16:02 0.0 0.1 7.1 Bias Drift Check 

4/2/2009 16:03 0.0 0.1 9.3 Bias Drift Check 

4/2/2009 16:03 0.0 0.1 10.6 Bias Drift Check 

4/2/2009 16:03 0.0 0.1 11.4 Bias Drift Check 

4/2/2009 16:04 0.0 0.1 12.0 Bias Drift Check 

4/2/2009 16:04 0.0 0.1 12.3 Bias Drift Check 

4/2/2009 16:04 0.0 0.1 12.6 Bias Drift Check 

4/2/2009 16:05 0.0 0.1 13.0 Bias Drift Check 

4/2/2009 16:05 0.0 0.1 13.1 Bias Drift Check 

4/2/2009 16:05 0.0 0.1 13.1 Bias Drift Check 

4/2/2009 16:06 0.0 0.1 13.2 Bias Drift Check 

4/2/2009 16:06 0.0 0.1 13.3 Bias Drift Check 

4/2/2009 16:06 0.0 0.1 13.4 Bias Drift Check 

4/2/2009 16:07 0.0 0.1 13.5 Bias Drift Check 

4/2/2009 16:07 0.0 0.1 13.5 Bias Drift Check 

4/2/2009 16:07 0.0 0.1 13.6 Bias Drift Check 

4/2/2009 16:08 0.0 0.1 13.7 Bias Drift Check 

4/2/2009 16:08 0.0 0.1 13.7 Bias Drift Check 

4/2/2009 16:08 1.1 0.1 13.8 Bias Drift Check 

4/2/2009 16:09 19.3 0.1 13.3 Bias Drift Check 

4/2/2009 16:09 20.8 0.1 11.5 Bias Drift Check 

Page 11 of 11 

ArcelorMittal Minorca Mine, Inc. Reference Method Data Barr Engineering 

Virginia, MN Data Logger Output Sampled on 04/02/09 

Indurating Furnace Stack D (SV017) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

4/2/2009 15:52 21.0 5.0 2.2 Bias Drift Check 

4/2/2009 15:52 21.0 5.0 1.7 Bias Drift Check 

4/2/2009 15:53 13.2 3.0 1.3 Bias Drift Check 

4/2/2009 15:53 0.2 0.1 1.2 Bias Drift Check 

4/2/2009 15:53 0.1 0.1 1.5 Bias Drift Check 

4/2/2009 15 :54 0.1 0.1 2.0 Bias Drift Check 

4/2/2009 15:54 0.1 0.1 2.2 Bias Drift Check 

4/2/2009 15:54 0.1 0.1 2.3 Bias Drift Check 

4/2/2009 15:55 0.1 0.1 2.2 Bias Drift Check 

4/2/2009 15:55 0.1 0.1 3.3 Bias Drift Check 

4/2/2009 15:55 0.1 0.1 5.9 Bias Drift Check 

4/2/2009 15:56 0.1 0.1 7.1 Bias Drift Check 

4/2/2009 15:56 0.1 0.1 7.2 Bias Drift Check 

4/2/2009 15:56 0.1 0.1 7.2 Bias Drift Check 

4/2/2009 15:57 0.1 0.1 7.2 Bias Drift Check 

4/2/2009 15:57 0.1 0.1 6.7 Bias Drift Check 

4/2/2009 15:57 0.1 0.1 4.3 Bias Drift Check 

4/2/2009 15:58 0.1 0.1 2.4 Bias Drift Check 

4/2/2009 15:58 0.0 0.1 2.1 Bias Drift Check 

4/2/2009 15:58 0.1 0.1 2.0 Bias Drift Check 

4/2/2009 15:59 0.0 0.1 2.0 Bias Drift Check 

4/2/2009 15:59 0.0 0.1 2.0 Bias Drift Check 

4/2/2009 15:59 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:00 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:00 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:00 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:01 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:01 0.0 0.1 1.9 Bias Drift Check 

4/2/2009 16:01 0.1 0.1 1.9 Bias Drift Check 

4/2/2009 16:02 0.0 0.1 2.4 Bias Drift Check 

4/2/2009 16:02 0.0 0.1 4.4 Bias Drift Check 

4/2/2009 16:02 0.0 0.1 7.1 Bias Drift Check 

4/2/2009 16:03 0.0 0.1 9.3 Bias Drift Check 

4/2/2009 16:03 0.0 0.1 10.6 Bias Drift Check 

4/2/2009 16:03 0.0 0.1 11.4 Bias Drift Check 

4/2/2009 16:04 0.0 0.1 12.0 Bias Drift Check 

4/2/2009 16:04 0.0 0.1 12.3 Bias Drift Check 

4/2/2009 16:04 0.0 0.1 12.6 Bias Drift Check 

4/2/2009 16:05 0.0 0.1 13.0 Bias Drift Check 

4/2/2009 16:05 0.0 0.1 13.1 Bias Drift Check 

4/2/2009 16:05 0.0 0.1 13.1 Bias Drift Check 

4/2/2009 16:06 0.0 0.1 13.2 Bias Drift Check 

4/2/2009 16:06 0.0 0.1 13.3 Bias Drift Check 

4/2/2009 16:06 0.0 0.1 13.4 Bias Drift Check 

4/2/2009 16:07 0.0 0.1 13.5 Bias Drift Check 

4/2/2009 16:07 0.0 0.1 13.5 Bias Drift Check 

4/2/2009 16:07 0.0 0.1 13.6 Bias Drift Check 

4/2/2009 16:08 0.0 0.1 13.7 Bias Drift Check 

4/2/2009 16:08 0.0 0.1 13.7 Bias Drift Check 

4/2/2009 16:08 1.1 0.1 13.8 Bias Drift Check 

4/2/2009 16:09 19.3 0.1 13.3 Bias Drift Check 

4/2/2009 16:09 20.8 0.1 11.5 Bias Drift Check 

Page 11 of 11 
AppendixD 

Calibration Data 
Routine Dry Gas Meter Calibration 

Control Module: C-6 Leak checks 

Date: 03/02/09 Negative--

BARR Technician: PRC Positive --

Ii 

Orifice Wet Test Dry Gas Meter Wet Test 

Diff Volume, Temp, of Meter 

Pressure H Ft' Inlet Outlet Temp, OF 

Nominal Initial Initial Initial Initial 

0.500 1837.00 63.0 58.0 71.0 

Actual Final Final Final Final 

1842.00 68.0 63.0 71.0 

0.50 Total Average Average Average 

5.00 65.5 60.5 71.0 

63.0 

Nominal Initial Initial Initial Initial 

1.000 1844.00 69.0 64.0 71.0 

Actual Final Final Final Final 

1861.00 72.0 70.0 71.0 

1.00 Total Average Average Average 

17.00 70.5 67.0 71.0 

68.8 Tm 

Nominal Initial Initial Initial initial 

2.000 1865.00 73.0 70.0 71.0 

Actual Final Final Final Final 

1881.00 74.0 71.0 70.5 

2.00 Total Average Average Average 

16.00 73.5 70.5 70.8 

1 72.0 Tm 

Nominal Initial ~niti~1 I Initial Initial 

3.000 'i882.50 14.U I 72.0 I 70.5 

Actual Final Final Final Final 

1888.50 74.0 72.0 70.5 

3.00 Total Average Average Average 

I 6.00 74.0 I 72.0 I 70.5 

, /3.0 T __ 

IIII 

Nominal Initial Initial Initial Initial 

4.000 1892.00 74.0 72.0 73.0 

I 

Actual Final Final I Final Final 

I 

1897.00 75.0 71.0 70.5 

4.00 ! Gta! ! Average Average I Average 

5.00 1 74.5 71.5 71.8 

I I 73.0 Tm 

ok 

ok 

Dry Gas 

Volume 

Fe 

Initial 

766.225 

Final 

771.020 

Total 

4.795 

Initial 

772.938 

Final 

789.610 

Total 

16.672 

Initial 

793.545 

Final 

809.375 

Total 

15.830 

Initial 

810.755 

Final 

816.750 

Total 

5.995 

Initial 

820.195 

Final 

825.185 

i otal 

4.990 

Barometric Press. --

>5 W.C. Previous Y --

>15 in.Hg Previous Delta H --

Elapsed Meter 

Time of Coefficient 

Cal. Point Y 

Minutes SEC 

11 44.89 

Minutes 

11.75 1.0258 

Minutes SEC 

28.0 13.16 

28.22 1.0128 

Minutes SEC 

19 31.27 

19.52 1.0081 

I 

Minutes SEC 

6.0 10.78 

~ A n I 0.10 0.9981 

Minutes! SeC 

4.0 I 25.57 

4.431 I 0.9945 

Average i .0079 

I 

I 

I 

I 

29.60 

0.9998 

1.7144 

Orifice 

Coefficien 

dH@ 

1.6014 

1.5789 

1.6930 

1.802911 

1.7859 

1.6924 

Routine Dry Gas Meter Calibration 

Control Module: C-6 Leak checks 

Date: 03/02/09 Negative--

BARR Technician: PRC Positive --

Ii 

Orifice Wet Test Dry Gas Meter Wet Test 

Diff Volume, Temp, of Meter 

Pressure H Ft' Inlet Outlet Temp, OF 

Nominal Initial Initial Initial Initial 

0.500 1837.00 63.0 58.0 71.0 

Actual Final Final Final Final 

1842.00 68.0 63.0 71.0 

0.50 Total Average Average Average 

5.00 65.5 60.5 71.0 

63.0 

Nominal Initial Initial Initial Initial 

1.000 1844.00 69.0 64.0 71.0 

Actual Final Final Final Final 

1861.00 72.0 70.0 71.0 

1.00 Total Average Average Average 

17.00 70.5 67.0 71.0 

68.8 Tm 

Nominal Initial Initial Initial initial 

2.000 1865.00 73.0 70.0 71.0 

Actual Final Final Final Final 

1881.00 74.0 71.0 70.5 

2.00 Total Average Average Average 

16.00 73.5 70.5 70.8 

1 72.0 Tm 

Nominal Initial ~niti~1 I Initial Initial 

3.000 'i882.50 14.U I 72.0 I 70.5 

Actual Final Final Final Final 

1888.50 74.0 72.0 70.5 

3.00 Total Average Average Average 

I 6.00 74.0 I 72.0 I 70.5 

, /3.0 T __ 

IIII 

Nominal Initial Initial Initial Initial 

4.000 1892.00 74.0 72.0 73.0 

I 

Actual Final Final I Final Final 

I 

1897.00 75.0 71.0 70.5 

4.00 ! Gta! ! Average Average I Average 

5.00 1 74.5 71.5 71.8 

I I 73.0 Tm 

ok 

ok 

Dry Gas 

Volume 

Fe 

Initial 

766.225 

Final 

771.020 

Total 

4.795 

Initial 

772.938 

Final 

789.610 

Total 

16.672 

Initial 

793.545 

Final 

809.375 

Total 

15.830 

Initial 

810.755 

Final 

816.750 

Total 

5.995 

Initial 

820.195 

Final 

825.185 

i otal 

4.990 

Barometric Press. --

>5 W.C. Previous Y --

>15 in.Hg Previous Delta H --

Elapsed Meter 

Time of Coefficient 

Cal. Point Y 

Minutes SEC 

11 44.89 

Minutes 

11.75 1.0258 

Minutes SEC 

28.0 13.16 

28.22 1.0128 

Minutes SEC 

19 31.27 

19.52 1.0081 

I 

Minutes SEC 

6.0 10.78 

~ A n I 0.10 0.9981 

Minutes! SeC 

4.0 I 25.57 

4.431 I 0.9945 

Average i .0079 

I 

I 

I 

I 

29.60 

0.9998 

1.7144 

Orifice 

Coefficien 

dH@ 

1.6014 

1.5789 

1.6930 

1.802911 

1.7859 

1.6924 
BARR lUI 

Pitot Tube Number: 1.\ 

----- Length: _ ..... 10"'---_ 

1. Are face openings perpendicular to tube axis? 

,k1YES (go to 2) 0 NO (go to 1a) 

"""'- I 

'~~-l---·--*--:--~------- I r~ I 

I 

I---~-: I 

2. Are Jr openings parallel to longitudinal axis? 

~YES (go to 3) 0 NO (go to 23) 

3. Are leg7 f equa! length? 

-1 LV YES (go to 4) U NO (go to 3a) 

--k----~~----~~-----

4. Are ce~r-lines of legs. coincident? 

tzl YES ( go to 5) 0 NO (go to 4a) 

--t----~~----<=~----~ 

5. Does this pitot tube pass all of the above criteria? 

Technician Signature: V~\ Lt1Ifi 

Reviewed by: 

S·Type Pitot Tube 

Geometry Check 

Function: ~ 

M-5 Probe I t7 

Inspection Date: _'_2_1_I ...... b/,-O_~ __ Technician: f {<.. c. --:.-;..---:---

1e. If NO, is engle less than 10°? 

o YES (go to 2) 

rJ...,- I 

--£3E-;-~-- . - . I I I • 

2a. If NO, is angie less than 50? 

DYES ( go to 3) 

_",,~.----:_o::::'_V 

ONO (discontinue use) 

o NO (discontinue use) 

32. If NO, is difference less than i/8 inch? 

U YES(goto4) Di~o (discontinue use) 

tv <"c---~,-J.1 ""'.-=:.;:;0.;;"",--.,." _'..-. 

4e. If NO, are cenier-lines of face openings less than 1/32 inch? 

~ YES 

I 

DYES ( go to 5) 

o NO 

o NO (discontinue use) 

BARR 2M 

Pitot Tube Number: 1.\ 

----- Length: _ ..... 10"'--_ 

1. Are facs openings perpendicular to tube axis? 

,k1YES (go to 2) 0 NO (go to 1a) 

"""'- I 

'~~-l---·--*--:--~------- I r~ I 

I 

I---~-: I 

2. Are Jr openings parallel to longitudinal axis? 

~YES (go to 3) 0 NO (go to 23) 

3. Are leg7 f equa! length? 

-1 LV YES (go to 4) U NO (go to 3a) 

--k----~~----~~-----

4. Are ce~r-lines of legs. coincident? 

tzl YES ( go to 5) 0 NO (go to 4a) 

--t----~~----<=~----~ 

5. Does this pitot tube pass all of the above criteria? 

Technician Signature: V~\ Lt1Ifi 

Reviewed by: 

S·Type Pitot Tube 

Geometry Check 

Function: ~ 

M-5 Probe I t7 

Inspection Date: _1_2_} _I b-,/,-O_~ __ 

Technician: f {<.. c. --'-'----:---

1a. If NO, is angle less than 10°? 

o YES (go to 2) 

rJ...,- I 

--£3E-;-~-- . - . I I I • 

2a. If NO, is angie less than 50? 

DYES ( go to 3) 

ONO (discontinue use) 

o NO (discontinue use) 

32. If NO, is difference less than i/8 inch? 

U YES(goto4) Di~o (discontinue use) 

tv 

<""c---..".,-J! 

"-'" -'-"-----.,., -'..-' 

4a. If NO, are cenier-lines of face openings less than 1/32 inch? 

~ YES 

I 

DYES ( go to 5) 

o NO 

o NO (discontinue use) 
BARR 

Ii 44 

REFERENCE STANDARDS 

Hart Scientific 9103·A sIn A1B289 

Hart Scientific 9140 sIn A1B086 

Temperature Calibration Points 

Reference Deg F (To) 

Probe Temp (deg F) 

Reference Temp (deg R) deg F + 460 

Probe Temp (deg R), deg F + 460 

Difference (degrees) 

% Diff Abs, T 

THERMOCOUPLE CALIBRATION 

Cal Date: 

TRACEABILITY 

Report No. A1B0718 

Report No. A 1 B2024 

20 

20 

22.1 

480 

482,1 

-2,1 

0.4% 

THERMOCOUPLE ID C-6-1 

12/15/2008 Meter In or Out 

70 

70 

69.2 

530 

529,2 

0,8 

0.2% 

CALIBRATION TECHNICIAN: TYL 

DATE 

12/26/2007 

12/26/2007 

150 

150 

147,6 

610 

607.6 

2.4 

0.4% 

LABORATORY 

Hart Scientific 

Hart Scientific 

THERMOCOUPLE CALIBRATION 

i 

I 1700~·-----------------------------------------~·--·----,------------------~ 

I 1600t-~~~========~~==========~--------~~~~~--~~~~~ 

I

! gtl500 

~1400 +-'-----'---1 

I ~300~-----=========================±~~--~--~~,~~--~~~~--~~ I ~200~--~~~~~~~~~----~--~--~c:~~~~~~~--~~~ 

! ~~O+-~~--~----~--'--'--~~~--------~-~~~------~~~~~~----~~ I III OJ 

~®O+-~----~--~~~--~--~-------~~~----~~--~------~~--------~ 

6900~~~~~~--~----~--~--~=-----~--~------~--~~---~~~'-----~-, 

g800+-----~----~----~~~--------~~~~~~~~~~~~~~~--~ 

~700+-------------~~~~--~------~--~ w 

-r """r"I I ~ouu+---------~~----------'-------------~ ---- Lower Limit of Calibration 

= Extrapolated Calibration Curve 500+---~~--------__ ------------~----~----~~----~----------L--~ 

400~----~---,----~--~----~----~---.----~----~--~----~--~----~ 

400 500 600 700 800 900 1000 1100 i 200 1300 1400 1500 1600 1700: 

REFERENCE TEfviPERATURE, deg,R 

Enter Upper FAHREI\lHEIT 

Limit CALIBRATION RANGE 

-20 231 

Technician signature 

Y '/") \ cJ .. ....-\. ~r~, ---. 

QA signature 

BARR 

Ii U 

REFERENCE STANDARDS 

Hart Scientific 9103·A sIn A1B289 

Hart Scientific 9140 sIn A1B086 

Temperature Calibration Points 

Reference Deg F (To) 

Probe Temp (deg F) 

Reference Temp (deg R) deg F + 460 

Probe Temp (deg R), deg F + 460 

Difference (degrees) 

% Diff Abs, T 

THERMOCOUPLE CALIBRATION 

Cal Date: 

TRACEABILITY 

Report No. A1B0718 

Report No. A 1 B2024 

20 

20 

22.1 

480 

482,1 

-2,1 

0.4% 

THERMOCOUPLE ID C-6-1 

12/15/2008 Meter In or Out 

70 

70 

69.2 

530 

529,2 

0,8 

0.2% 

CALIBRATION TECHNICIAN: TYL 

DATE 

12/26/2007 

12/26/2007 

150 

150 

147,6 

610 

607.6 

2.4 

0.4% 

LABORATORY 

Hart Scientific 

Hart Scientific 

THERMOCOUPLE CALIBRATION 

i 

I 17oo.-·----------------------------------~------~-----------------------------, 

I 1600+-~~~------~--~~------~--~~--~--------~------------~~··~~ 

I

! gtl500 

~1400 +-'---'---1 

I ~300i~~~~======================~--~~~~~~~--~~~~~~~ 

I ~200~~~~~~~~--~------~--~~~~~~~~~~~~~~~ 

! ~~O+-~----~----~--~~~~--------~~~~~------~~~~~------~~ I III OJ 

~®O+-~----~--~~~--~~~----c~~~--~~~--~----~~----~--~ 

6900~~~~ ____ --------~--~--~~----~--__ ------__ --~~---__ --~'----~i 

g800+-----~ __ --~--____ ~~--------~~~~~~~~~~~~~~~--~ 

~700+-------------~#=--__ --------__ ----~ w 

-r """r"I I ~ouu+---------~~--------~-------------, ---- Lower Limit of Calibration 

500+---~~----------__ --__ ------~------~-==-----&-tra~p-ol-at-ed-C-a-1ib_ra_tio_n_C_u~_e _____ ~--~ 

400~----__ ---,----~--~----~----~--_.----~----__ --~----~--~----~ 

400 500 600 700 800 900 1000 1100 i 200 1300 1400 1500 1600 1700: 

REFERENCE TEfviPERATURE, deg,R 

Enter Upper FAHREI\lHEIT 

Limit CALIBRATION RANGE 

-20 231 

Technician signature 

Y '/") \ cJ .. ....-\. ~r~, ---. 

QA signature 
REFERENCE STANDARDS 

Hart Scientific 9103·A sIn A1B289 

Hart Scientific 9140 sIn A1B086 

Temperature Calibration Points 

Reference Deg F (To) 

Probe Temp (deg F) 

Reference Temp (deg R) deg F + 460 

Probe Temp (deg R), deg F + 460 

Difference ( degrees) 

% Diff Abs. T 

THERMOCOUPLE CALIBRATION 

Cal Date: 

TRACEABILITY 

Report No. A1B0718 

Report No. A 1 B2024 

20 

20 

24.2 

480 

484.2 

-4.2 

0.9% 

THERMOCOUPLE ID C-6-0 

12/15/2008 Meter In or Out 

70 

70 

69.7 

530 

529.7 

0.3 

0.1% 

CALIBRATION TECHNICIAN: TYL 

DATE 

12/26/2007 

12/26/2007 

150 

150 

148.9 

610 

608.9 

1.1 

0.2% 

LABORATORY 

Hart Scientific 

Hart Scientific 

THERMOCOUPLE CALIBRATION 17oo,-------~~----~--------------~----~--------------------------, 

1600+-----~--------~----~--------~--------~~--------~--------,·~~~ 

~500 -1------'-1 

~1400 +------i 

<t: 

ffi1300~--~~==========================~~~------~c~~~----~~~~--~ 

~200+-~~----~----~------~--------~~~~~------~------------~ 

t:!1 mt\n -F--------- W' 'o;V 

~~O+-~--------~----~--~--~~~~~------~------------~----------~ 

6900+---------------~~----~7~~-----------------~----~------~~~~~ 

~800i~--~~~~~~~~--~~~~--~----~~--~$~C~al~ib,~-a~tio~n~C~u~~e~-~U~n·~ltU~n~d~~'r~T~es~t--I--~ 

~ 700 +---------'----------'---:,r.=--------~------~~ Upper Limii of Calibration 

W 

~ 600 +--__ ~ __ '--c~"'--________ __:_------------~ Lower Limit of Calibration 

500+--~~==----------_'___:--~--~~--------~--==---~E~xt~ra~po~la~te~d~C=al~ibr~at~io~n~C=u~~'e~ __ ~--~ 

400~~--~,---~----,_----._--~----~--~----__ ----~--------~--------~ 

400 500 600 700 

Technician signature 

QA signature 

800 900 1000 1100 1200 1300 1400 1500 1600 1700 

REFERENCE TEMPERATURE, deg.R 

FAHRENHEIT 

CALIBRATION RANGE 

-20 247 

BARR 

REFERENCE STANDARDS 

Hart Scientific 9103·A sIn A1B289 

Hart Scientific 9140 sIn A1B086 

Temperature Calibration Points 

Reference Deg F (To) 

Probe Temp (deg F) 

Reference Temp (deg R) deg F + 460 

Probe Temp (deg R), deg F + 460 

Difference ( degrees) 

% Diff Abs. T 

THERMOCOUPLE CALIBRATION 

Cal Date: 

TRACEABILITY 

Report No. A1B0718 

Report No. A 1 B2024 

20 

20 

24.2 

480 

484.2 

-4.2 

0.9% 

THERMOCOUPLE ID C-6-0 

12/15/2008 Meter In or Out 

70 

70 

69.7 

530 

529.7 

0.3 

0.1% 

CALIBRATION TECHNICIAN: TYL 

DATE 

12/26/2007 

12/26/2007 

150 

150 

148.9 

610 

608.9 

1.1 

0.2% 

LABORATORY 

Hart Scientific 

Hart Scientific 

THERMOCOUPLE CALIBRATION 170o.-------~------~------------------------------------------------~ 

1600+-----~--~--~~--~--------~--------~~--------~------~.·~~~ 

~500 -1----'-1 

~1400 +----1 

<t: 

ffi1300~-~~==========================~~~----~~'~~~--~--~~~-~ 

~200+---~------~----~----~----------~~~'~~------~--------------l 

t:!1 mt\n +.'-______ _ w' 'O;v 

~~O+_~------~----~----~~~~~------~----~----~--------~ 0.. 

6900+--------~~~~~~~~------~---~~--~--~-~-~~~ 

~800~~--~~~~~~~~--A~~----~--~~--~$~C~al~ib,--a~tio-n~C-u~-e--~u~n·~ltU~n~d~-'r~T-es~t--I--~ 

~ 700 +-----------:~'---------'---------~ Upper Limii of Calibration 

W 

~ 600 +--~--'--~;<---------:---------~ Lower Limit of Calibration 

500~~~~ __________ ~_~---: ______ ~ __ ==-_~E~xt~ra~po~la~te~d~C=al=ibr~at~io~n~C=u~~'e~_~ __ ~ 

400~--~---:--~---,-----,---~----~--__ -----:---.-------,------~ 

400 500 600 700 

Technician signature 

QA signature 

800 900 1000 1100 1200 1300 1400 1500 1600 1700 

REFERENCE TEMPERATURE, deg.R 

FAHRENHEIT 

CALIBRATION RANGE 

-20 247 
THERMOCOUPLE CALIBRATION 

BARR 

'" 44 

THERMOCOUPLE ID 

Cal Date: 12/12/2008 

CALIBRATION TECHNICIAN: 

TC3-4 

M-5 Probe 

TYL 

REFERENCE STANDARDS TRACEABILITY DATE LABORATORY 

Hart Scientific 91 03·A sIn Ai B289 Report No. A1B0718 12/26/2007 Hart Scientific 

Hart Scientific 9140 sIn A 1 B086 Report No. A1B2024 12/26/2007 Hart Scientific 

Temperature Calibration Points 32 212 400 650 Ambient 

Reference Deg F (To) 32 212 400.1 650 70 

Probe Temp (deg F) 34 212 398 650 70.2 

Reference Temp (deg R) deg F + 460 492 672 860.1 1110 530 

Probe Temp (deg R), deg F + 460 494 672 858 1110 530.2 

Difference (degrees) ·2 0 2.1 0 -0.2 

% Diff Abs. T 0.4% 0.0% 0.2% 0.0% 0.0% 

Is difference less than 1.5% at all 

measured YES 

THERMOCOUPLE CALIBRATION 

1700.-------------------------~--------------------------------~_, 

1600~~~======================~----------~~~----~~·L-~ 

~500 -1-----1 

~1400 +----'-1 

« 

ffi1300~~~--~======================~--~~-----~~~--------------~ 

~200+---~~----~----------------------~~~-------------~---­

~1~0,~~~----~_7~~--~~------~--~~~~~~--~~------~----~--~ LLJOl 

~®O+-~~~--~--~~--~~~--~~--~--------~-------'-----~----~ 

6900+-----~------__ --~--__ ~;~-------------____ --~----~--~--------: 

g800+-----~~~-----~~~~------_r_~~~0nC~~~~~----i 

2 

~700+-------------~~=-----~------~--~ 

LLJ 

~600+-------~~----~--------~------~ 

500+---~=-------~------~-----------~~----~----------------~~~ 

400+---~----~--_.----~--_,----~--~----~--~~--~----~--_.--~ 

400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 ~ 

REFERENCE TEMPERATURE, deg.R 

Are extrapolated limits less than 1.5%? 

If not acceptable, describe corrective action: 

Technician signature 

QA Signature 

YES 

FAHRENHEIT CALIBRATION 

RANGE 

1500 -20 1200 

THERMOCOUPLE CALIBRATION 

BARR 

'" 44 

THERMOCOUPLE ID 

Cal Date: 12/12/2008 

CALIBRATION TECHNICIAN: 

TC3-4 

M-5 Probe 

TYL 

REFERENCE STANDARDS TRACEABILITY DATE LABORATORY 

Hart Scientific 91 03·A sIn Ai B289 Report No. A1B0718 12/26/2007 Hart Scientific 

Hart Scientific 9140 sIn A 1 B086 Report No. A1B2024 12/26/2007 Hart Scientific 

Temperature Calibration Points 32 212 400 650 Ambient 

Reference Deg F (To) 32 212 400.1 650 70 

Probe Temp (deg F) 34 212 398 650 70.2 

Reference Temp (deg R) deg F + 460 492 672 860.1 1110 530 

Probe Temp (deg R), deg F + 460 494 672 858 1110 530.2 

Difference (degrees) ·2 0 2.1 0 -0.2 

% Diff Abs. T 0.4% 0.0% 0.2% 0.0% 0.0% 

Is difference less than 1.5% at all 

measured YES 

THERMOCOUPLE CALIBRATION 

1700.-------------------------~--------------------------------~_, 

1600~~~======================~----------~~~----~~·L-~ 

~500 -1-----1 

~1400 +----'-1 

« 

ffi1300~~~--~======================~--~~-----~~~--------------~ 

~200+---~~----~----------------------~~~-------------~---­

~1~0,~~~----~_7~~--~~------~--~~~~~~--~~------~----~--~ LLJOl 

~®O+-~~~--~--~~--~~~--~~--~--------~-------'-----~----~ 

6900+-----~------__ --~--__ ~;~-------------____ --~----~--~--------: 

g800+-----~~~-----~~~~------_r_~~~0nC~~~~~----i 

2 

~700+-------------~~=-----~------~--~ 

LLJ 

~600+-------~~----~--------~------~ 

500+---~=-------~------~-----------~~----~----------------~~~ 

400+---~----~--_.----~--_,----~--~----~--~~--~----~--_.--~ 

400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 ~ 

REFERENCE TEMPERATURE, deg.R 

Are extrapolated limits less than 1.5%? 

If not acceptable, describe corrective action: 

Technician signature 

QA Signature 

YES 

FAHRENHEIT CALIBRATION 

RANGE 

1500 -20 1200 
BARR Manometer Calibration Sheet it; 

Manometer Number 

Date of Calibration 

Technician 

Oil Manometer 

CM-6 

1/9/2009 

BJM 

Manometer 

0.06 

0.20 

0.49 

0.78 

0.96 

1.50 

2.00 

2.50 

3.00 

3.50 

0.06 

0.20 

0.48 

0.78 

0.97 

1.50 

2.00 

2.50 

3.00 

3.50 

Pass/Fail based on +/- 5% of set value 

Technician signature: 1Je:<, .~~ 

QA signature: 

Leak Check: 

Negative 

Positive 

Pass/Fail 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

y 

@3" 

@3" 

BARR Manometer Calibration Sheet 

$4 

Manometer Number 

Date of Calibration 

Technician 

Oil Manometer 

CM-6 

1/9/2009 

BJM 

Manometer 

0.06 

0.20 

0.49 

0.78 

0.96 

1.50 

2.00 

2.50 

3.00 

3.50 

0.06 

0.20 

0.48 

0.78 

0.97 

1.50 

2.00 

2.50 

3.00 

3.50 

Pass/Fail based on +/- 5% of set value 

Technician signature: 1Je:<, .~~ 

QA signature: 

Leak Check: 

Negative 

Positive 

Pass/Fail 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

Pass 

y 

@3" 

@3" 
BARR Manometer Calibration Sheet 

Manometer Number CM-6 dP Leak Check: y 

Date of Calibration 1/9/2009 Negative @3" 

Technician PRC Positive @3" 

Oil Manometer Manometer Pass/Fail 

0.06 Pass 

0.21 Pass 

0.50 Pass 

0.77 Pass 

0.98 Pass 

1.45 Pass 

1.90 Pass 

2.40 Pass 

2.90 Pass 

3.40 Pass 

0.06 Pass 

0.20 Pass 

0.5 0.49 Pass 

0.8 0.78 Pass 

1 0.99 Pass 

1.45 Pass 

1.90 Pass 

2.45 Pass 

2.90 Pass 

3.40 Pass 

Pass/Fail based on +/- 5% of set value 

Technician signature: 

QA signature: 

BARR Manometer Calibration Sheet 

Manometer Number CM-6 dP Leak Check: y 

Date of Calibration 1/9/2009 Negative @3" 

Technician PRC Positive @3" 

Oil Manometer Manometer Pass/Fail 

0.06 Pass 

0.21 Pass 

0.50 Pass 

0.77 Pass 

0.98 Pass 

1.45 Pass 

1.90 Pass 

2.40 Pass 

2.90 Pass 

3.40 Pass 

0.06 Pass 

0.20 Pass 

0.5 0.49 Pass 

0.8 0.78 Pass 

1 0.99 Pass 

1.45 Pass 

1.90 Pass 

2.45 Pass 

2.90 Pass 

3.40 Pass 

Pass/Fail based on +/- 5% of set value 

Technician signature: 

QA signature: 
I 

BARR 

Pyrometer Number: 

Pyrometer Reference: 

Reference (OF) 

1000 

950 

900 

850 

800 

750 

700 

650 

600 

550 

500 

450 

400 

350 

300 

250 

200 

150 

100 

50 

0 

-50 

PYROMETER 

CALIBRATION 

C-6 Date: 

CL-300-1000F Technician: 

12/15/2008 

TYL 

Pyrometer 0 F 

Reference (0C) Reading Pass/Fail 

538 1004 Pass 

510 954 Pass 

482 903 Pass 

454 854 Pass 

427 803 Pass 

399 754 Pass 

371 704 Pass 

343 653 Pass 

316 601 Pass 

288 551 Pass 

260 500 Pass 

232 449 Pass 

204 400 Pass 

177 350 Pass 

149 , 30? !Pass 

121 252 Pass 

93 201 Pass 

67 152 Ipass 

38 99 Pass 

10 51 Pass 

-18 1 Pass 

-46 -48 Pass 

Pass/Fail based on +/- 0.75% of Renkin value 

Technician signiture: 

QA signiture: 

I 

I 

~ 

~ 

; 

j 

I 

BARR 

Pyrometer Number: 

Pyrometer Reference: 

Reference (OF) 

1000 

950 

900 

850 

800 

750 

700 

650 

600 

550 

500 

450 

400 

350 

300 

250 

200 

150 

100 

50 

0 

-50 

PYROMETER 

CALIBRATION 

C-6 Date: 

CL-300-1000F Technician: 

12/15/2008 

TYL 

Pyrometer 0 F 

Reference (0C) Reading Pass/Fail 

538 1004 Pass 

510 954 Pass 

482 903 Pass 

454 854 Pass 

427 803 Pass 

399 754 Pass 

371 704 Pass 

343 653 Pass 

316 601 Pass 

288 551 Pass 

260 500 Pass 

232 449 Pass 

204 400 Pass 

177 350 Pass 

149 , 30? !Pass 

121 252 Pass 

93 201 Pass 

67 152 Ipass 

38 99 Pass 

10 51 Pass 

-18 1 Pass 

-46 -48 Pass 

Pass/Fail based on +/- 0.75% of Renkin value 

Technician signiture: 

QA signiture: 

I 

I 

~ 

~ 

; 

j 
Field Barometer Calibration 

BARR Calibration to National Weather Service at Chisholm-Hibbing Airport 

Wi A 

Station elevation at Barr Hibbing Office 3128 14th Avenue East. Hibbing, MN 1460 ft. 

I I NWS Observation I Field Barometer Barr Office 

I Technician I I Altimeter I 

I Barometric Station 

Date Time 10 Time I Pressure Pressure Condition Remarks 

3/12/09 i DJK i 10:53 I 30.52 I DJK 12:02 I 29.12 29.06 In Calibration As Found 

4/13/09 I DJK 15:53 I 29.94 DJK 16:16 I 28.54 28.48 In Calibration As Found 

Field Barometer Calibration 

BARR Calibration to National Weather Service at Chisholm-Hibbing Airport 

Wi @ 

Station elevation at Barr Hibbing Office 3128 14th Avenue East. Hibbing, MN 1460 ft. 

I I NWS Observation I Field Barometer Barr Office 

I Technician I I Altimeter I 

I Barometric Station 

Date Time 10 Time I Pressure Pressure Condition Remarks 

3/12/09 i DJK i 10:53 I 30.52 I DJK 12:02 I 29.12 29.06 In Calibration As Found 

4/13/09 I DJK 15:53 I 29.94 DJK 16:16 I 28.54 28.48 In Calibration As Found 
BARR 

; @ 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack A 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

3/31- 4/1/2009 

TAK/DJK 

CAI-200 

21.2 % 

NIA 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 2_ Value 

Zero Gas: 0.0 

Mid-range: 9.0 

High-range: 21.2 

Cylinder 

Test Runs: 3 Value 

i 2er8 Gas: V.V " " 

Mid-range: 9.0 

~ High-range: I 21.2 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC28340 

High-range CA01247 

Analyzer Absolute Difference. 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 0.00% 

21.1 0.1 0.28% 

Analyzer Absolute Difference. 

Calibration Difference % of Span 

Response 

I 0.0 0.0 I 0.00% 

9.0 0.0 0.00% 

I 21.1 I 0.1 I 0.28% 

Note: System Cal bias cannot exceed +/- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial Values Firi§l ValuE3~ 

Analyzer Cal System Cal System Cal System Cal I System Cal 

Response. Response. Cal. Bias Response. I Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

'Zero Gas 0.0 0.1 0.24% 0.1 0.33% 

Upscale Gas 21.1 21.1 0.00% 21.0 -0.47% 

TEST RUN 2 

Zero Gas 0.0 0.1 0.33% 0.1 0.47% 

Upscale Gas 21.1 21.0 -0.47% 21.1 -0.24% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.47% 0.1 0.47% 

Upscale Gas 21.1 21.1 -0.24% 21.1 0.00% 

System Calibration BiaS = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 

Drift. 

Percent of 

I span 

0.09% 

-0.47% 

0.14% 

0.24% 

0.00% 

0.24% 

Certified Value 

0.0 

9.0 

21.2 

~ 

i 

02 

BARR 

; @ 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack A 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

3/31- 4/1/2009 

TAK/DJK 

CAI-200 

21.2 % 

NIA 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 2_ Value 

Zero Gas: 0.0 

Mid-range: 9.0 

High-range: 21.2 

Cylinder 

Test Runs: 3 Value 

2er8 Gas: I V.V " " 

Mid-range: 9.0 

~ High-range: I 21.2 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC28340 

High-range CA01247 

Analyzer Absolute Difference. 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 0.00% 

21.1 0.1 0.28% 

Analyzer Absolute Difference. 

Calibration Difference % of Span 

Response 

i 0.0 0.0 I 0.00% 

9.0 0.0 0.00% 

I 21.1 I 0.1 I 0.28% 

Note: System Cal bias cannot exceed +/- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal 

I 

System Cal 

Response. Response. Cal. Bias Response. Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

'Zero Gas 0.0 0.1 0.24% 0.1 0.33% 

Upscale Gas 21.1 21.1 0.00% 21.0 -0.47% 

TEST RUN 2 

Zero Gas 0.0 0.1 0.33% 0.1 0.47% 

Upscale Gas 21.1 21.0 -0.47% 21.1 -0.24% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.47% 0.1 0.47% 

Upscale Gas 21.1 21.1 -0.24% 21.1 0.00% 

System Calibration BiaS = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 

Drift. 

Percent of 

I span 

0.09% 

-0.47% 

0.14% 

0.24% 

0.00% 

0.24% 

Certified Value 

0.0 

9.0 

21.2 

I 

; 

i 

i 

02 
BARR 

e 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack A 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

3/31- 4/1/2009 

TAKlDJK 

CAI-200 

9.0 % --~-- NIA 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 2_ Value 

Zero Gas: 0.0 

Mid-range: 5.0 

High-range: 9.0 

Cylinder 

Test Runs: 3 Value 

I 

-"7 '"' .~-.. ,....... .......... 

L..t:IU ,-=>a;:,. V.V '" " 

Mid-range: 5.0 

High-range: 9.0 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CA01247 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

5.0 0.0 0.22% 

9.0 0.0 0.00% 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

I 0.0 0.0 0.00% 

I 4.9 0.1 I 1.33% 

9.0 0.0 0.00% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

I Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

'TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 5.0 5.0 -0.56% 5.0 0.00% 

TEST RUN 2 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 5.0 5.0 0.00% 5.0 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.1 1.11% 0.0 0.33% 

Upscale Gas 5.0 4.9 -1.11 % 4.9 -0.89% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) I Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) I Span] x 100 

Drift, 

Percent of 

span 

0.00% 

0.56% 

0.00% 

0.00% 

-0.78% 

0.22% 

Certified Value 

0.0 

5.0 

9.0 

, 

C02 

BARR 

e 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack A 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

3/31- 4/1/2009 

TAKlDJK 

CAI-200 

9.0 % --~-- NIA 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 2_ Value 

Zero Gas: 0.0 

Mid-range: 5.0 

High-range: 9.0 

Cylinder 

Test Runs: 3 Value 

I 

-"7 '"' .~-.. ,....... .......... 

L..t:IU ,-=>a;:,. V.V '" " 

Mid-range: 5.0 

High-range: 9.0 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CA01247 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

5.0 0.0 0.22% 

9.0 0.0 0.00% 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

I 0.0 0.0 0.00% 

I 4.9 0.1 I 1.33% 

9.0 0.0 0.00% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

I Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

'TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 5.0 5.0 -0.56% 5.0 0.00% 

TEST RUN 2 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 5.0 5.0 0.00% 5.0 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.1 1.11% 0.0 0.33% 

Upscale Gas 5.0 4.9 -1.11 % 4.9 -0.89% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) I Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) I Span] x 100 

Drift, 

Percent of 

span 

0.00% 

0.56% 

0.00% 

0.00% 

-0.78% 

0.22% 

Certified Value 

0.0 

5.0 

9.0 

, 

C02 
BARR 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack A 

3/31- 4/1/2009 

TAKlDJK 

Analyzer Modell SN API-100 EH 

Analyzer Range (span) 

Stripchart Speed (units): 

26.1 ppm 

NIA 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: 1 - 2 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

High-range: 26.1 

Cylinder 

Test Runs: 3 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

High-range: 26.1 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C 

ANALYZER CALIBRATION 

(502) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC99498 

High-range CA01819 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.1 0.1 0.38% 

13.1 0.1 0.34% 

26.3 0.2 0.77% 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

13.3 0.1 0.42% 

26.2 0.1 0.38% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.1 0.4 1.15% 0.3 0.77% 

Upscale Gas 13.1 12.3 -3.07% 12.4 -2.68% 

TEST RUN 2 

Zero Gas 0.1 0.3 0.77% 0.3 0.77% 

Upscale Gas 13.2 12.4 -3.03% 12.4 -3.03% 

TEST RUN 3 

Zero Gas 0.0 1.0 3.83% 0.3 1.15% 

Upscale Gas 13.3 12.8 -1.92% 13.9 2.30% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) I Span] x 100 

Drift = [(Final System Cal. Response -Initial System Cal Response) I Span] x 100 

Drift, 

Percent of 

span 

-0.38% 

0.38% 

0.00% 

0.00% 

-2.68% 

4.21% 

Certified Value 

0.0 

13.2 

26.1 

502 

BARR 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack A 

3/31- 4/1/2009 

TAKlDJK 

Analyzer Modell SN API-100 EH 

Analyzer Range (span) 

Stripchart Speed (units): 

26.1 ppm 

NIA 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: 1 - 2 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

High-range: 26.1 

Cylinder 

Test Runs: 3 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

High-range: 26.1 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C 

ANALYZER CALIBRATION 

(502) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC99498 

High-range CA01819 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.1 0.1 0.38% 

13.1 0.1 0.34% 

26.3 0.2 0.77% 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

13.3 0.1 0.42% 

26.2 0.1 0.38% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.1 0.4 1.15% 0.3 0.77% 

Upscale Gas 13.1 12.3 -3.07% 12.4 -2.68% 

TEST RUN 2 

Zero Gas 0.1 0.3 0.77% 0.3 0.77% 

Upscale Gas 13.2 12.4 -3.03% 12.4 -3.03% 

TEST RUN 3 

Zero Gas 0.0 1.0 3.83% 0.3 1.15% 

Upscale Gas 13.3 12.8 -1.92% 13.9 2.30% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) I Span] x 100 

Drift = [(Final System Cal. Response -Initial System Cal Response) I Span] x 100 

Drift, 

Percent of 

span 

-0.38% 

0.38% 

0.00% 

0.00% 

-2.68% 

4.21% 

Certified Value 

0.0 

13.2 

26.1 

502 
BARR 

Project 

Sample Lac. 

Date 

Operators 

f@j 

ArcelorMittal 

Furnace Stack A 

3/31- 4/1/2009 

TAKlDJK 

Analyzer Modell SN API Model 200 

Analyzer Range (span) 

Stripchart Speed (units): 

250.6 ppm 

NIA 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: 1 - 2 Value 

Zero Gas: 0.0 

Low-range 117.8 

Mid-range: 250.6 

High-range: 0.0 

N02 43.2 

Cylinder 

Test Runs: 3 Value 

I 

, Zero Gas: 0.0 

. Low-range 117.8 

Mid-range: 250.6 

! r~02 I 43.2 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 7E 

ANALYZER CALIBRATION 

(NOx) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Low-range CC74072 

Mid-range CC78164 

N02 CC101276 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

-0.2 0.2 0.08% 

116.6 1.2 0.48% 

250.7 0.1 0.04% 

0.0 0.0 0.00% 

41.9 1.3 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

I 0.3 0.3 0.12% 

117.3 0.5 0.20% 

I 250.6 0.0 0.00% 

41.8 I 1.4 I , - , 

t'-Jote: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial V;:l(, lOC:: ....::-..;v ..... I III I Q c; 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

'TEST RUN 1 PPM PPM % of Span PPM % of Span 

·Zero Gas -0.2 1.0 0.48% 0.6 0.32% 

Upscale Gas 116.6 113.9 -1.08% 111.7 -1.96% 

TEST RUN 2 

Zero Gas -0.2 I 0.6 0.32% 0.9 0.45% 

Upscale Gas 116.6 111.7 -1.96% 111.0 -2.23% 

TEST RUN 3 

Zero Gas 0.3 1.0 0.28% 1.4 0.44% 

Upscale Gas 117.3 113.6 -1.48% 113.3 -1.60% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) I Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) I Span] x 100 

Drift, 

Percent of 

span 

-0.16% 

-0.88% 

0.13% 

-0.28% 

0.16% 

-0.12% 

Certified Value 

0.0 

117.8 

250.6 

43.2 

Converter 

Efficiency 

% 

I 

97.0 

I 

Converter 

Efficiency 

I % 

I 

I 

I 96.8 ~ f; 

i 

NOx 

BARR 

Project 

Sample Lac. 

Date 

Operators 

f@j 

ArcelorMittal 

Furnace Stack A 

3/31- 4/1/2009 

TAKlDJK 

Analyzer Modell SN API Model 200 

Analyzer Range (span) 

Stripchart Speed (units): 

250.6 ppm 

NIA 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: 1 - 2 Value 

Zero Gas: 0.0 

Low-range 117.8 

Mid-range: 250.6 

High-range: 0.0 

N02 43.2 

Cylinder 

Test Runs: 3 Value 

I 

, Zero Gas: 0.0 

. Low-range 117.8 

Mid-range: 250.6 

! r~02 I 43.2 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 7E 

ANALYZER CALIBRATION 

(NOx) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Low-range CC74072 

Mid-range CC78164 

N02 CC101276 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

-0.2 0.2 0.08% 

116.6 1.2 0.48% 

250.7 0.1 0.04% 

0.0 0.0 0.00% 

41.9 1.3 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

I 0.3 0.3 0.12% 

117.3 0.5 0.20% 

I 250.6 0.0 0.00% 

41.8 I 1.4 I , - , 

t'-Jote: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial V;:l(, lOC:: ....::-..;v ..... I III I Q c; 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

'TEST RUN 1 PPM PPM % of Span PPM % of Span 

·Zero Gas -0.2 1.0 0.48% 0.6 0.32% 

Upscale Gas 116.6 113.9 -1.08% 111.7 -1.96% 

TEST RUN 2 

Zero Gas -0.2 I 0.6 0.32% 0.9 0.45% 

Upscale Gas 116.6 111.7 -1.96% 111.0 -2.23% 

TEST RUN 3 

Zero Gas 0.3 1.0 0.28% 1.4 0.44% 

Upscale Gas 117.3 113.6 -1.48% 113.3 -1.60% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) I Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) I Span] x 100 

Drift, 

Percent of 

span 

-0.16% 

-0.88% 

0.13% 

-0.28% 

0.16% 

-0.12% 

Certified Value 

0.0 

117.8 

250.6 

43.2 

Converter 

Efficiency 

% 

I 

97.0 

I 

Converter 

Efficiency 

I % 

I 

I 

I 96.8 ~ f; 

i 

NOx 
BARR 

w 9 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack B 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

4/1/2009 

TAKlDJK 

CAI-200 

21.2 % 

--N-I-A--

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 9.0 

High-range: 21.2 

SYSTEfvi CAliBRATION BiAS Ai\lD DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC28340 

High-range CA01247 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 I 0.00% 

21.1 0.1 0.28% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

[ Initial Values Final Values : I Analyzer Cal System Cal System Cal System Cal I System Cal I 

Response, Response, Cal. Bias Response, Cal. Bias 

,TEST RUN 1 ! PPM I PPM % of Span ! PPM I % of Span 

I Zero Gas I 0.0 0.1 0.47% 0.1 I 0.47% 

'Upscale Gas 21.1 21.1 0.00% 21.1 I 0.00% 

,TEST RUN 2 

Zero Gas 0.0 0.1 0.47% 0.1 0.61% 

Upscale Gas 21.1 21.1 0.00% 21.1 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.61% 0.1 0.57% 

Upscale Gas 21.1 21.1 0.00% 21.1 0.00% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) I Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) I Span] x 100 

Drift, 

Percent of 

I span I 

I 0.00% 

0.00% 

0.14% 

0.00% 

-0.05% 

0.00% 

Certified Value 

0.0 

9.0 

21.2 

~ 

i 

02 

BARR 

w 9 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack B 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

4/1/2009 

TAKlDJK 

CAI-200 

21.2 % 

--'-'NI7":A--

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 9.0 

High-range: 21.2 

SYSTEfvi CAliBRATION BiAS Ai\lD DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC28340 

High-range CA01247 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 I 0.00% 

21.1 0.1 0.28% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

[ Initial Values Final Values : I Analyzer Cal System Cal System Cal System Cal I System Cal I 

Response, Response, Cal. Bias Response, Cal. Bias 

,TEST RUN 1 ! PPM I PPM % of Span ! PPM I % of Span 

I Zero Gas I 0.0 0.1 0.47% 0.1 I 0.47% 

'Upscale Gas 21.1 21.1 0.00% 21.1 I 0.00% 

,TEST RUN 2 

Zero Gas 0.0 0.1 0.47% 0.1 0.61% 

Upscale Gas 21.1 21.1 0.00% 21.1 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.61% 0.1 0.57% 

Upscale Gas 21.1 21.1 0.00% 21.1 0.00% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) I Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) I Span] x 100 

Drift, 

Percent of 

I span I 

I 0.00% 

0.00% 

0.14% 

0.00% 

-0.05% 

0.00% 

Certified Value 

0.0 

9.0 

21.2 

~ 

i 

02 
, 

BARR 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack B 

4/1/2009 

TAKlDJK 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

CAI-200 

9.0 % 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 5.0 

High-range: 9.0 

SYSTEM CALIBRATION BIAS AND DRIFT OAT p,: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CA01247 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

4.9 0.1 1.33% 

9.0 0.0 0.00% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

'-"-~ -- . 

I Initial Values I Fina! Values I 

i Analyzer Cal System Cal System Cal System Cal Drift, 

Response, Response, Cal. Bias Response, Cal. Bias Percent of 

'TEST RUN 1 I PPM 

System Cal I 

PPM % of Span I PPM I % of Span span 

Zero Gas I 0.0 0.0 0.33% 0.1 I 0.56% 

I 

Upscale Gas I 4.9 I 4.9 I 0.22% 1 

4.9 0.00% 

TEST RUN 2 

Zero Gas 0.0 0.1 0.56% 0.0 0.00% 

Upscale Gas 4.9 4.9 0.00% 4.9 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 4.9 4.9 0.00% 4.9 0.33% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 0.22% 

I -0.22% 

-0.56% 

0.00% 

0.00% 

0.33% 

Certified Value 

0.0 

5.0 

9.0 

I 

t 

I 

p 

I 

i 

C02 

! 

, 

BARR 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack B 

4/1/2009 

TAKlDJK 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

CAI-200 

9.0 % 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 5.0 

High-range: 9.0 

SYSTEM CALIBRATION BIAS AND DRIFT OAT p,: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CA01247 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

4.9 0.1 1.33% 

9.0 0.0 0.00% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

'-"-~ -- . 

I Initial Values I Fina! Values I 

i Analyzer Cal System Cal System Cal System Cal Drift, 

Response, Response, Cal. Bias Response, Cal. Bias Percent of 

'TEST RUN 1 I PPM 

System Cal I 

PPM % of Span I PPM I % of Span span 

Zero Gas I 0.0 0.0 0.33% 0.1 I 0.56% 

I 

Upscale Gas I 4.9 I 4.9 I 0.22% 1 

4.9 0.00% 

TEST RUN 2 

Zero Gas 0.0 0.1 0.56% 0.0 0.00% 

Upscale Gas 4.9 4.9 0.00% 4.9 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 4.9 4.9 0.00% 4.9 0.33% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 0.22% 

I -0.22% 

-0.56% 

0.00% 

0.00% 

0.33% 

Certified Value 

0.0 

5.0 

9.0 

I 

t 

I 

p 

I 

i 

C02 
BARR 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack B 

4/1/2009 

TAKlDJK 

Analyzer Modell SN API-100 EH 

Analyzer Range (span) 

Stripchart Speed (units): 

26.1 ppm 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

High-range: 26.1 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C RATA 

ANALYZER CALIBRATION 

(502) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC99498 

High-range CA01819 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

13.3 0.1 0.42% 

26.2 0.1 0.38% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.0 0.3 1.15% 0.8 3.07% 

Upscale Gas 13.6 13.6 0.00% 13.4 -0.77% 

TEST RUN 2 

Zero Gas 0.0 0.8 3.07% 1.0 3.83% 

Upscale Gas 13.6 13.4 -0.77% 13.4 -0.77% 

TEST RUN 3 

Zero Gas 0.0 1.0 3.83% 1.2 4.60% 

Upscale Gas 13.6 13.4 -0.77% 13.1 -1.92% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

1.92% 

-0.77% 

0.77% 

0.00% 

0.77% 

-1.15% 

Certified Value 

0.0 

13.2 

26.1 

502 

BARR 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack B 

4/1/2009 

TAKlDJK 

Analyzer Modell SN API-100 EH 

Analyzer Range (span) 

Stripchart Speed (units): 

26.1 ppm 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

High-range: 26.1 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C RATA 

ANALYZER CALIBRATION 

(502) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC99498 

High-ranqe CA01819 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

13.3 0.1 0.42% 

26.2 0.1 0.38% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.0 0.3 1.15% 0.8 3.07% 

Upscale Gas 13.6 13.6 0.00% 13.4 -0.77% 

TEST RUN 2 

Zero Gas 0.0 0.8 3.07% 1.0 3.83% 

Upscale Gas 13.6 13.4 -0.77% 13.4 -0.77% 

TEST RUN 3 

Zero Gas 0.0 1.0 3.83% 1.2 4.60% 

Upscale Gas 13.6 13.4 -0.77% 13.1 -1.92% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

1.92% 

-0.77% 

0.77% 

0.00% 

0.77% 

-1.15% 

Certified Value 

0.0 

13.2 

26.1 

502 
, 

BARR 

k 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Fumace Stack B 

4/1/2009 

TAKlDJK 

Analyzer Modell SN API Model 200 

Analyzer Range (span) 

Stripchart Speed (units): 

250.6 ppm 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

I Cylinder 

Test Runs: i - 3 Value 

Zero Gas: 0.0 

Mid-range: 117.8 

High-range: 250.6 

N02 43.2 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 7E 

ANALYZER CALIBRATION 

(NOx) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC74072 

High-range CC78164 

N02 CC101276 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

I 0.3 0.3 0.12% 

117.3 0.5 0.20% 

250.6 0.0 0.00% 

41.8 1.4 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

.-

I 

Analyzer Cal I System Cal System Cal System Cal I System Cal 

I Drift, 

Response, Response, Cal. Bias Response, I Cal. Bias Percent of 

TEST RUN 1 PPM i PPM % of Span PPM ! % of Span I span I , I 

~Zero Gas I 0.3 I 1.4 0.44% 1.4 ! 0.44% 1 0.00% 

Upscale Gas 117.3 113.3 -1.60% 114.1 -1.28% 

.TEST RUN 2 

Zero Gas 0.3 1.4 0.44% 1.3 0.40% 

Upscale Gas 117.3 114.1 -1.28% 112.4 -1.96% 

TEST RUN 3 

Zero Gas 0.3 1.3 0.40% 0.8 0.20% 

Upscale Gas 117.3 112.4 -1.96% 112.1 -2.08% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 0.32% 

-0.04% 

-0.68% 

-0.20% 

-0.12% 

Certified Value 

0.0 

117.8 

250.6 

43.2 

Converter 

Efficiency 

% 

96.8 ~. - ... 

i 

NOx 

, 

BARR 

k 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack B 

4/1/2009 

TAKlDJK 

Analyzer Modell SN API Model 200 

Analyzer Range (span) 

Stripchart Speed (units): 

250.6 ppm 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

I Cylinder 

Test Runs: i - 3 Value 

Zero Gas: 0.0 

Mid-range: 117.8 

High-range: 250.6 

N02 43.2 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 7E 

ANALYZER CALIBRATION 

(NOx) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC74072 

High-range CC78164 

N02 CC101276 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

I 0.3 0.3 0.12% 

117.3 0.5 0.20% 

250.6 0.0 0.00% 

41.8 1.4 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

.-

I 

Analyzer Cal I System Cal System Cal System Cal I System Cal 

I Drift, 

Response, Response, Cal. Bias Response, I Cal. Bias Percent of 

TEST RUN 1 PPM i PPM % of Span PPM ! % of Span I span I , I 

~Zero Gas I 0.3 I 1.4 0.44% 1.4 ! 0.44% 1 0.00% 

Upscale Gas 117.3 113.3 -1.60% 114.1 -1.28% 

.TEST RUN 2 

Zero Gas 0.3 1.4 0.44% 1.3 0.40% 

Upscale Gas 117.3 114.1 -1.28% 112.4 -1.96% 

TEST RUN 3 

Zero Gas 0.3 1.3 0.40% 0.8 0.20% 

Upscale Gas 117.3 112.4 -1.96% 112.1 -2.08% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 0.32% 

-0.04% 

-0.68% 

-0.20% 

-0.12% 

Certified Value 

0.0 

117.8 

250.6 

43.2 

Converter 

Efficiency 

% 

96.8 ~. - ... 

i 

NOx 
BARR 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack C 

4/2/2009 

TAKlDJK 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

CAI-200 

21.2 % 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 3_ Value 

Zero Gas: 0.0 

Mid-range: I 9.0 

High-range: 21.2 

SYSTEM CALIBRATiOhJ BIAS AI'.!D DRiFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC28340 

High-range CA01247 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 0.00% 

21.1 0.0 0.09% 

l\lote: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal 

I 

System Cal System Cal 

I 

System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

:TEST RUN 1 ! PPM I PPM % of Span PPM i % of Span 

;Zero Gas I 0.0 0.1 0.61% ,-, , V.I j 0.66% 

Upscale Gas 21.1 21.1 -0.19% 21.0 -0.66% 

TEST RUN 2 

Zero Gas 0.0 0.1 0.66% 0.1 0.57% 

Upscale Gas 21.1 21.0 -0.66% 21.1 -0.19% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.57% 0.1 0.57% 

Upscale Gas 21.1 21.1 -0.19% 21.1 -0.19% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 

Drift, 

Percent of 

span 

i i 0.05% 

I -0.47% 

-0.09% 

0.47% 

0.00% 

0.00% 

Certified Value 

0.0 

9.0 

21.2 

I 

02 

BARR 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack C 

4/2/2009 

TAKlDJK 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

CAI-200 

21.2 % 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 3_ Value 

Zero Gas: 0.0 

Mid-range: I 9.0 

High-range: 21.2 

SYSTEM CALIBRATiOhJ BIAS AI'.!D DRiFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC28340 

High-range CA01247 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 0.00% 

21.1 0.0 0.09% 

l\lote: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal I System Cal System Cal 

I 

System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 ! PPM I PPM I % of Span PPM i % of Span 

;Zero Gas I 0.0 0.1 0.61% ,-, , I 0.66% I V.I 

Upscale Gas 21.1 21.1 -0.19% 21.0 -0.66% 

TEST RUN 2 

Zero Gas 0.0 0.1 0.66% 0.1 0.57% 

Upscale Gas 21.1 21.0 -0.66% 21.1 -0.19% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.57% 0.1 0.57% 

Upscale Gas 21.1 21.1 -0.19% 21.1 -0.19% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 

Drift, 

Percent of 

span 

0.05% 

I -0.47% 

-0.09% 

0.47% 

0.00% 

0.00% 

Certified Value 

0.0 

9.0 

21.2 

02 
BARR 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack C 

Analyzer Model / SN 

Analyzer Range (span) 

Stripchart Speed (units): 

4/2/2009 

TAKlDJK 

CAI-200 

9.0 % 

--"':"N/"-'A--

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 3_ Value 

Zero Gas: 0.0 

Mid-range: 5.0 

High-range: 9.0 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CA01247 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

4.9 0.1 I 1.33% 

9.0 0.0 0.00% 

Note: System Cal bias cannot exceed +/- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial Values I ... ~ ~~ 

. Analyzer Cal I System Cal System Cal System Cal System Cal 

Response, I Response, Cal. Bias I Response, Cal. Bias 

TEST RUN 1 PPM I PPM % of Span PPM % of Span . 

! I I 

.Zero Gas 0.0 I 0.0 I 0.00% 0.1 I 0.67% 

I ! 

Upscale Gas 4.9 I I 5.0 1.11% 4.9 0.00% I , 

TEST RUN 2 

Zero Gas 0.0 I 0.1 0.67% 0.0 0.44% 

Upscale Gas 4.9 4.9 0.00% 4.9 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.0 0.44% 0.0 0.11% 

Upscale Gas 4.9 4.9 0.00% 4.9 0.00% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) / Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) / Span] x 100 

Drift. 

Percent of 

span 

I 0.67% 

~ -1.11 % t 

-0.22% 

0.00% 

-0.33% 

0.00% 

Certified Value 

0.0 

5.0 

9.0 

C02 

BARR 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack C 

Analyzer Model / SN 

Analyzer Range (span) 

Stripchart Speed (units): 

4/2/2009 

TAKlDJK 

CAI-200 

9.0 % --":"'N/;":'A--

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 3_ Value 

Zero Gas: 0.0 

Mid-range: 5.0 

High-range: 9.0 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CA01247 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

4.9 0.1 I 1.33% 

9.0 0.0 0.00% 

Note: System Cal bias cannot exceed +/- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial Values I I II I ~ ~~ 

. Analyzer Cal I System Cal System Cal System Cal System Cal 

Response, I Response, Cal. Bias I Response, Cal. Bias 

TEST RUN 1 PPM I PPM % of Span PPM % of Span . 

! I 

0.0 I I .Zero Gas I 0.0 I 0.00% 0.1 0.67% 

J 

! 

Upscale Gas 4.9 i I 5.0 1.11% , 4.9 0.00% I 

TEST RUN 2 

Zero Gas 0.0 I 0.1 0.67% 0.0 0.44% 

Upscale Gas 4.9 4.9 0.00% 4.9 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.0 0.44% 0.0 0.11% 

Upscale Gas 4.9 4.9 0.00% 4.9 0.00% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) / Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) / Span] x 100 

Drift, 

Percent of 

span 

I 0.67% 

I -1.11 % 

-0.22% 

0.00% 

-0.33% 

0.00% 

Certified Value 

0.0 

5.0 

9.0 

C02 
BARR 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack C 

4/2/2009 

TAKlDJK 

Analyzer Modell SN API-100 EH 

Analyzer Range (span) 

Stripchart Speed (units): 

26.1 ppm 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

High-range: 26.1 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C RATA 

ANALYZER CALIBRATION 

(S02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC99498 

High-range CA01819 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.2 0.2 0.77% 

13.0 0.2 0.73% 

26.0 0.1 0.31% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.2 0.5 1.15% 0.7 1.92% 

Upscale Gas 13.0 12.0 -3.83% 12.7 -1.15% 

TEST RUN 2 

Zero Gas 0.2 0.7 1.92% 1.3 4.22% 

Upscale Gas 13.0 12.7 -1.15% 12.7 -1.15% 

TEST RUN 3 

Zero Gas 0.2 1.3 4.22% 1.2 3.83% 

Upscale Gas 13.0 12.7 -1.15% 12.7 -1.15% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response -Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

0.77% 

2.68% 

2.30% 

0.00% 

-0.38% 

0.00% 

Certified Value 

0.0 

13.2 

26.1 

S02 

BARR 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack C 

4/2/2009 

TAKlDJK 

Analyzer Modell SN API-100 EH 

Analyzer Range (span) 

Stripchart Speed (units): 

26.1 ppm 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

High-range: 26.1 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C RATA 

ANALYZER CALIBRATION 

(S02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC99498 

High-range CA01819 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.2 0.2 0.77% 

13.0 0.2 0.73% 

26.0 0.1 0.31% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.2 0.5 1.15% 0.7 1.92% 

Upscale Gas 13.0 12.0 -3.83% 12.7 -1.15% 

TEST RUN 2 

Zero Gas 0.2 0.7 1.92% 1.3 4.22% 

Upscale Gas 13.0 12.7 -1.15% 12.7 -1.15% 

TEST RUN 3 

Zero Gas 0.2 1.3 4.22% 1.2 3.83% 

Upscale Gas 13.0 12.7 -1.15% 12.7 -1.15% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response -Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

0.77% 

2.68% 

2.30% 

0.00% 

-0.38% 

0.00% 

Certified Value 

0.0 

13.2 

26.1 

S02 
BARR 

i • 

Project 

Sample Loc. 

Date 

Operators 

Analyzer Model / SN 

ArcelorMittal 

Furnace Stack C 

4/2/2009 

TAKlDJK 

API Model 200 

Analyzer Range (span) 499.0 ppm -----

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 3_ Value 

Zero Gas: 0.0 

Mid-range: 250.6 

High-range: 499.0 

N02 43.2 

SYSTEM CALiBRATIOI\j BIAS AND DRIFT DATA: 

EPA METHOD 7E 

ANALYZER CALIBRATION 

(NOx) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC78164 

High-range CC12689 

N02 CC101276 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.3 0.3 0.06% 

251.6 I 1.0 0.20% 

499.0 0.0 0.00% 

42.2 1.0 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial Values Einal Values 

I Analyzer Cal System Cal I System Cal System Cal I System Cal 

I Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 I PPM I PPM ! % of Span I PPM ! % of Span 

Zero Gas I 0.3 I 0.4 0.02% 1.9 I 0.32% 

Upscale Gas I 251.6 244.1 -1.50% 245.0 -1.32% 

TEST RUN 2 

Zero Gas 0.3 1.9 0.32% 1.2 0.18% 

Upscale Gas 251.6 245.0 -1.32% 243.2 -1.68% 

TEST RUN 3 

Zero Gas 0.3 1.2 0.18% 1.2 0.18% 

Upscale Gas 251.6 243.2 -1.68% 245.0 -1.32% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) / Span] x 100 

I 

Drift, 

Percent of 

span 

0.30% 

0.18% 

-0.14% 

-0.36% 

0.00% 

0.36% 

Certified Value 

0.0 

250.6 

499.0 

43.2 

Converter 

Efficiency 

% 

97.7 

~ 

I 

; 

NOx 

BARR 

i • 

Project 

Sample Loc. 

Date 

Operators 

Analyzer Model / SN 

ArcelorMittal 

Furnace Stack C 

4/2/2009 

TAKlDJK 

API Model 200 

Analyzer Range (span) 499.0 ppm -----

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 3_ Value 

Zero Gas: 0.0 

Mid-range: 250.6 

High-range: 499.0 

N02 43.2 

SYSTEM CALiBRATIOI\j BIAS AND DRIFT DATA: 

EPA METHOD 7E 

ANALYZER CALIBRATION 

(NOx) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC78164 

High-range CC12689 

N02 CC101276 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.3 0.3 0.06% 

251.6 I 1.0 0.20% 

499.0 0.0 0.00% 

42.2 1.0 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial Values EinalY§lue~ 

I Analyzer Cal System Cal I System Cal System Cal I System Cal 

I Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 I PPM I PPM ! % of Span I PPM ! % of Span 

Zero Gas I 0.3 I 0.4 0.02% 1.9 I 0.32% 

Upscale Gas I 251.6 244.1 -1.50% 245.0 -1.32% 

TEST RUN 2 

Zero Gas 0.3 1.9 0.32% 1.2 0.18% 

Upscale Gas 251.6 245.0 -1.32% 243.2 -1.68% 

TEST RUN 3 

Zero Gas 0.3 1.2 0.18% 1.2 0.18% 

Upscale Gas 251.6 243.2 -1.68% 245.0 -1.32% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) / Span] x 100 

I 

Drift, 

Percent of 

span 

0.30% 

0.18% 

-0.14% 

-0.36% 

0.00% 

0.36% 

Certified Value 

0.0 

250.6 

499.0 

43.2 

Converter 

Efficiency 

% 

97.7 

~ 

I 

; 

NOx 
BARR 

4@ 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack D 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

4/2/2009 

TAKlDJK 

CAI-200 

21.2 % ----.;;;...;N/.;..;.A~-

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

, Test Runs: _1_ - _3_ Value 

Zero Gas: 0.0 

Mid-range: 9.0 

High-range: 21.2 

SYSTEM CALIBRATION BIAS Ar\jD DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC28340 

High-range CA01247 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 0.00% 

21.1 0.1 0.28% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial V::llllt:>s - -~ Cinal Values I " 

ITEST RUN 1 

I Analyzer Cal I System Cal System Cal I System Cal System Cal I 

Response, Response, Cal. Bias Response, Cal. Bias 

! PPM I PPM % of Span , 

I pprvi % of Span ' 

Zero Gas I 0.0 I 0.1 0.47% I 0.1 0.52% 

Upscale Gas ! 21.1 I 21.1 -0.24% 21.1 I -0.24% I 

'TEST RUN 2 

Zero Gas 0.0 0.1 0.52% 0.1 0.47% 

Upscale Gas 21.1 21.1 -0.24% 21.0 -0.33% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.47% 0.1 0.47% 

Upscale Gas 21.1 21.0 -0.33% 21.0 -0.33% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

0.05% 

0.00% 

-0.05% 

-0.09% 

0.00% 

0.00% 

Certified Value 

0.0 

9.0 

21.2 

I 

! 

. 

02 

BARR 

4@ 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack D 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

4/2/2009 

TAKlDJK 

CAI-200 

21.2 % 

---N/-A--

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

, Test Runs: _1_ - _3_ Value 

Zero Gas: 0.0 

Mid-range: 9.0 

High-range: 21.2 

SYSTEM CALIBRATION BIAS Ar\jD DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC28340 

High-range CA01247 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 0.00% 

21.1 0.1 0.28% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +/- 3 percent of span 

Initial V::lI"t:>s C:in~1 Values - -~ I I IICl 

ITEST RUN 1 

I Analyzer Cal I System Cal System Cal I System Cal System Cal I 

Response, Response, Cal. Bias Response, Cal. Bias 

! PPM I PPM % of Span , 

I pprvi % of Span ' 0-

Zero Gas I 0.0 0.1 0.47% I 0.1 0.52% I , 

Upscale Gas ! 21.1 I 21.1 -0.24% 21.1 I -0.24% I 

'TEST RUN 2 

Zero Gas 0.0 0.1 0.52% 0.1 0.47% 

Upscale Gas 21.1 21.1 -0.24% 21.0 -0.33% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.47% 0.1 0.47% 

Upscale Gas 21.1 21.0 -0.33% 21.0 -0.33% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

0.05% 

0.00% 

-0.05% 

-0.09% 

0.00% 

0.00% 

Certified Value 

0.0 

9.0 

21.2 

I 

! 

. 

02 
BARR 

&&6&& t4M 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack D 

4/2/2009 

TAKlDJK 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

CAI-200 

9.0 % 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1_ - _3_ Value 

Zero Gas: 0.0 

Mid-range: 5.0 

High-range: 9.0 

== 

SYSTEM CALIBRATION BIAS AND DR!FT DiHA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CA01247 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

4.9 0.1 1.33% 

9.0 0.0 0.00% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

i Analyzer Cal System Cal System Cal 

Response, Response, Response, 

;TEST RUN 1 PPM PPM % of Span PPM % of Span 

0.0 0.0 0.00% 0.0 0.44% 

'Upscale Gas I 4.9 I 4.9 I 0.00% I 4.9 I 0.44% 

TEST RUN 2 

Zero Gas 0.0 0.0 0.44% 0.1 0.67% 

Upscale Gas 4.9 4.9 0.44% 5.0 1.11% 

TEST RUN 3 

-Zero Gas 0.0 0.1 0.67% 0.1 0.78% 

Upscale Gas 4.9 5.0 1.11% 5.0 0.56% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

0.44% 

ti 0.44% 

0.22% 

0.67% 

0.11% 

-0.56% 

Certified Value 

0.0 

5.0 

9.0 

! 

I 

I 

I 

C02 

BARR 

&&6&& t4M 

Project ArcelorMittal 

Sample Loc. 

Date 

Operators 

Furnace Stack D 

4/2/2009 

TAKlDJK 

Analyzer Modell SN 

Analyzer Range (span) 

Stripchart Speed (units): 

CAI-200 

9.0 % 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1_ - _3_ Value 

Zero Gas: 0.0 

Mid-range: 5.0 

High-range: 9.0 

== 

SYSTEM CALIBRATION BIAS AND DR!FT DiHA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CA01247 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

4.9 0.1 1.33% 

9.0 0.0 0.00% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial VCjlues Final Values I Analyzer Cal System Cal 

I 

System Cal System Cal 

I 

System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

;TEST RUN 1 PPM PPM % of Span PPM % of Span 

Izero Gas 

I 0.0 I 0.0 I 0.00% 0.0 I 0.44% I 

I I I t i ,Upscale Gas i 4.9 4.9 0.00% I 4.9 I 0.44% 

TEST RUN 2 

Zero Gas 0.0 0.0 0.44% 0.1 0.67% 

Upscale Gas 4.9 4.9 0.44% 5.0 1.11% 

TEST RUN 3 

-Zero Gas 0.0 0.1 0.67% 0.1 0.78% 

Upscale Gas 4.9 5.0 1.11% 5.0 0.56% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I 

Drift, 

Percent of 

I span 

I 0.44% 

0.44% 

0.22% 

0.67% 

0.11% 

-0.56% 

Certified Value 

0.0 

5.0 

9.0 

! 

I 

I 

! 

! 

r, 

, 

, 

, 

I 

C02 
BARR 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack D 

4/2/2009 

TAKlDJK 

Analyzer Modell SN API-100 EH 

Analyzer Range (span) 

Stripchart Speed (units): 

26.1 ppm 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

1 26.1 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C RATA 

ANALYZER CALIBRATION 

(502) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC99498 

High-range CA01819 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.2 0.2 0.77% 

13.0 0.2 0.73% 

26.0 0.1 0.38% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.2 1.1 3.45% 1.0 3.07% 

Upscale Gas 12.7 12.7 0.00% 13.2 1.92% 

TEST RUN 2 

Zero Gas 0.2 1.0 3.07% 1.5 4.98% 

Upscale Gas 12.7 13.2 1.92% 13.5 3.07% 

TEST RUN 3 

Zero Gas 0.2 1.5 4.98% 1.2 3.83% 

Upscale Gas 12.7 13.5 3.07% 13.7 3.83% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response -Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

-0.38% 

1.92% 

1.92% 

1.15% 

-1.15% 

0.77% 

Certified Value 

0.0 

13.2 

26.1 

502 

BARR 

Project 

Sample Loc. 

Date 

Operators 

ArcelorMittal 

Furnace Stack D 

4/2/2009 

TAKlDJK 

Analyzer Modell SN API-100 EH 

Analyzer Range (span) 

Stripchart Speed (units): 

26.1 ppm 

N/A 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs 1 - 3 Value 

Zero Gas: 0.0 

Mid-range: 13.2 

1 26.1 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C RATA 

ANALYZER CALIBRATION 

(502) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC99498 

High-range CA01819 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.2 0.2 0.77% 

13.0 0.2 0.73% 

26.0 0.1 0.38% 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

Initial Values Final Values 

Analyzer Cal System Cal System Cal System Cal System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.2 1.1 3.45% 1.0 3.07% 

Upscale Gas 12.7 12.7 0.00% 13.2 1.92% 

TEST RUN 2 

Zero Gas 0.2 1.0 3.07% 1.5 4.98% 

Upscale Gas 12.7 13.2 1.92% 13.5 3.07% 

TEST RUN 3 

Zero Gas 0.2 1.5 4.98% 1.2 3.83% 

Upscale Gas 12.7 13.5 3.07% 13.7 3.83% 

System Calibration Bias = [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response -Initial System Cal Response) 1 Span] x 100 

Drift, 

Percent of 

span 

-0.38% 

1.92% 

1.92% 

1.15% 

-1.15% 

0.77% 

Certified Value 

0.0 

13.2 

26.1 

502 
BARR 

fit 

Project 

Sample Loc. 

Date 

Operators 

Analyzer Modell SN 

ArcelorMittal 

Furnace Stack D 

4/2/2009 

TAKlDJK 

API Model 200 

Analyzer Range (span) 499.0 ppm -----

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 3_ Value 

Zero Gas: 0.0 

Mid-range: 250.6 

High-range: 499.0 

N02 43.2 

SYSTEM CALIBRATiON BIAS AND DRIFT DATA: 

EPA METHOD 7E 

ANALYZER CALIBRATION 

(NOx) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC78164 

High-range CC12689 

N02 CC101276 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.5 0.5 0.10% 

252.2 1.6 0.32% 

499.2 0.2 0.04% 

42.1 1.1 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

initial Values Final Values 

I Analyzer Cal 

I 

System Cal System Cal System Cal I System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

!rEST RUN 1 I PPM PPM % of Span PPM , % of Span ! 

.Zero Gas I 0.5 I 1.3 0.16% 1.3 I 0.16% 

Upscale Gas 252.2 I 244.0 -1.64% 244.7 -1.50% 

TEST RUN 2 

Zero Gas 0.5 1.3 0.16% 1.6 0.22% 

Upscale Gas 252.2 244.7 -1.50% 245.0 -1.44% 

TEST RUN 3 

Zero Gas 0.5 1.6 0.22% 1.7 0.24% 

Upscale Gas 252.2 245.0 -1.44% 242.7 -1.90% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I Drift, 

Percent of 

! span 

, 0.00% 

0.14% 

0.06% 

0.06% 

0.02% 

-0.46% 

Certified Value 

0.0 

250.6 

499.0 

43.2 

Converter ~ Efficiency 

% 

97.5 

p 

t 

~ 

NOx 

BARR 

fit 

Project 

Sample Loc. 

Date 

Operators 

Analyzer Modell SN 

ArcelorMittal 

Furnace Stack D 

4/2/2009 

TAKlDJK 

API Model 200 

Analyzer Range (span) 499.0 ppm -----

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1 _ - _ 3_ Value 

Zero Gas: 0.0 

Mid-range: 250.6 

High-range: 499.0 

N02 43.2 

SYSTEM CALIBRATiON BIAS AND DRIFT DATA: 

EPA METHOD 7E 

ANALYZER CALIBRATION 

(NOx) 

Cylinder 

Serial No. 

Zero Gas SX037300 

Mid-range CC78164 

High-range CC12689 

N02 CC101276 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.5 0.5 0.10% 

252.2 1.6 0.32% 

499.2 0.2 0.04% 

42.1 1.1 

Note: System Cal bias cannot exceed +1- 5 percent of span. Drift cannot exceed +1- 3 percent of span 

initial Values Final Values 

I Analyzer Cal 

I 

System Cal System Cal System Cal I System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

trEsT RUN 1 I PPM PPM % of Span PPM , % of Span ! 

.Zero Gas I 0.5 I 1.3 0.16% 1.3 I 0.16% 

Upscale Gas 252.2 I 244.0 -1.64% 244.7 -1.50% 

TEST RUN 2 

Zero Gas 0.5 1.3 0.16% 1.6 0.22% 

Upscale Gas 252.2 244.7 -1.50% 245.0 -1.44% 

TEST RUN 3 

Zero Gas 0.5 1.6 0.22% 1.7 0.24% 

Upscale Gas 252.2 245.0 -1.44% 242.7 -1.90% 

System Calibration Bias - [(System Cal. Response - Analyzer Cal. Response) 1 Span] x 100 

Drift = [(Final System Cal. Response - Initial System Cal Response) 1 Span] x 100 

I Drift, 

Percent of 

! span 

, 0.00% 

0.14% 

0.06% 

0.06% 

0.02% 

-0.46% 

Certified Value 

0.0 

250.6 

499.0 

43.2 

Converter 

Efficiency 

% 

97.5 

i 

p 

t 

~ 

NOx 
AppendixE 

Cylinder Gas Certifications 
SIIII SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. e RIVERSIDE, CA 92507 

TELEPHONE (951) 653-6780 & FAX (95t) 653~2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

BARR01 REPORT NO: 54622-02 

TO: Barr Engineering Co 

Attn: Aaron Grosser 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2959 

CYLINDER NUMBER: CC28340 

COMPONENT 

CONCENTRATION (v/v) 

± EPA UNCERTAINTY 

Carbon dioxide 8.98 ± 0.09 % 

Oxygen 9.02 ± 0.05 % 

Nitrogen Balance 

ppm = umole/mole % = mole-% 

REPORT DATE: October 29,2008[; 

CUSTOMER PO NO: 20080912CPJR 

CYUNDER SIZE: 150A (141 std cu ft) CYLINDER PRESSURE: 2000 psig 

REFERENCE ANALYZER EXPIRATION REPLICATE 

STANDARD MAKE, MODEL, SIN. DETECTION DATE ANAL YSIS DATA 

GMIS Varian Model 3400 10/27/2011 10/27/2008 

CYLINDER#: Serial # 10680 8.98 % 

CC83094 Thermal Conductivity 8.98 % 

@8.09% Gas Chromotography 8.98% 

LAST CAL DATE: 10/24/2008 MEAN: 8.98 % 

GivllS Varian Model 3800 10/23/2011 10/23/2008 

CYLINDER#: Serial # 9.03 % 

CC51181 Thermal Conduciivity 9.01 % 

@ 10.04 % Gas Chromotography 9.01 % 

LAST CAL DATE: 10/2/2008 MEAN: 9.02 % 

The above analyses were perfonned in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97/121. dated 

September 1997. 

The above analyses are iov 

#f~ ANALYST: ____ ~~~~~~~ ______ APPROVED: ____ _+~---------------

M.S.Calhoun 

The only liability of this company for gas which fails to comply with this analysis shall be replace ent or reanalysis thereof by the company without extra cost 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 

SIIII SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. e RIVERSIDE, CA 92507 

TELEPHONE (951) 653-6780 & FAX (95t) 653~2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

BARR01 REPORT NO: 54622-02 

TO: Barr Engineering Co 

Attn: Aaron Grosser 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2959 

CYLINDER NUMBER: CC28340 

COMPONENT 

CONCENTRATION (v/v) 

± EPA UNCERTAINTY 

Carbon dioxide 8.98 ± 0.09 % 

Oxygen 9.02 ± 0.05 % 

Nitrogen Balance 

ppm = umole/mole % = mole-% 

REPORT DATE: October 29,2008[; 

CUSTOMER PO NO: 20080912CPJR 

CYUNDER SIZE: 150A (141 std cu ft) CYLINDER PRESSURE: 2000 psig 

REFERENCE ANALYZER EXPIRATION REPLICATE 

STANDARD MAKE, MODEL, SIN. DETECTION DATE ANAL YSIS DATA 

GMIS Varian Model 3400 10/27/2011 10/27/2008 

CYLINDER#: Serial # 10680 8.98 % 

CC83094 Thermal Conductivity 8.98 % 

@8.09% Gas Chromotography 8.98% 

LAST CAL DATE: 10/24/2008 MEAN: 8.98 % 

GivllS Varian Model 3800 10/23/2011 10/23/2008 

CYLINDER#: Serial # 9.03 % 

CC51181 Thermal Conduciivity 9.01 % 

@ 10.04 % Gas Chromotography 9.01 % 

LAST CAL DATE: 10/2/2008 MEAN: 9.02 % 

The above analyses were perfonned in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97/121. dated 

September 1997. 

The above analyses are iov 

#f~ ANALYST: ____ ~-=~~~~~ ______ APPROVED: ____ _+~---------------

M.S.Calhoun 

The only liability of this company for gas which fails to comply with this analysis shall be replace ent or reanalysis thereof by the company without extra cost 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 
Sent By: SCOTT-MARRIN INC.; 9516532430j Nov-iS-OS 7:31AM; Page 2/2 

i 

~ 

== IIII 

I 

! 

: 

i 

i 

I 

S4RR01 

TO: Bc:jrr Engineering Co 

Atin: Pete Rossmiiler 

7390 OHMS lane 

Edina. MN 55439-2330 

(9?2} 832-2634 

SCOTTM'A':RRIN, INC. 

6531 BOX SPRINGS BLVD_ .. RIVERSIDE, CA 92.507 

TELEPHONE (95!) 653 -6780 "r-AX (951) 653·2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

REPORT NO: 54044-07 

REPORT DATE: July 14, 2008f.1 

CUSTOMER PO NO: 200B0519AAGA 

CYLINDER NUMBER: CA01247 CYLINDERSIZ.E: 150A (141 std cu It) CYLINDER PRESSURE: 2000 psig 

COMP-ONENT CONCENTRATION (v/v) REFERENCE ANALYZER EXPIRATION REPLICATE 

: ± EPA UNCERTAINTY STANDARD V .... r.E. MODEL.. Sill. OETECTIOtl DATE ANALYSIS DATA 

Carbon d)0xide 5.02 ~ 0.05 % GIvIIS Varian Model 3400 718J20i1 7/8/2008 

CYLINDER #: Serial "# 10680 5.01 % 

CC83094 Thennel Conductivity 5.02 % 

@ 8.09 % GaG Chromatography 5.02% 

LAST CAL DATE: 718f2008 MEAN: 5.02% 

Oxygen 21.16;1:0.23% GMIS varian Model 3400 7/812011 71812008 

CYLINDERIf.: Serial # 10880 21.19% 

ALMO:31591 Thermal Conductivity 21.:5 % 

@24.39% Gas Chromotography 21.15 % 

LAST CAL DATE: 6/1812008 MEAN: 21.16 % 

Nitrogen: Balance 

ppm := un?ole/mo!1!l % ~ moIB-% 

Tho allov~ an<llyslis Wl're performed in accordance with Pro cadure G 1 of the EPA Troceability ProtJcot, Report Number EPA .. 600fR97/121. dated 

Septembcir 1897. 

::::~J:"""'1i(lld Cl:""'"" " "::::o:::"-di'j,(-()A-,~-'------ ; M.S.Ca!houn J. T. M,min 

ihe onli' li~~t;!y of this cornpefl)' lor gee vthie.'l foiis to comply wilt11h!s enety~l. 8~e:t be reploce .. ,en! or IBsneiynic thereof by U",e company wilt>cu\ eXli8 cast. 

STANDARD CALlE:lRATION GASES IN ALUMINUM CYLINDERS 

NOV 18 200S 09:07 9515532430 PAGE.02 

Sent By: SCOTT-MARRIN INC.; 9516532430j Nov-iS-OS 7:31AM; Page 2/2 

i 

~ 

== IIII 

I 

~ : 

i 

i 

I 

S4RR01 

TO: Bc:jrr Engineering Co 

Atin: Pete Rossmiiler 

7390 OHMS lane 

Edina. MN 55439-2330 

(9?2} 832-2634 

SCOTTM'A':RRIN, INC. 

6531 BOX SPRINGS BLVD_ .. RIVERSIDE, CA 92.507 

TELEPHONE (95!) 653 -6780 "r-AX (951) 653·2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

REPORT NO: 54044-07 

REPORT DATE: July 14, 2008f.l 

CUSTOMER PO NO: 200B0519AAGA 

CYLINDER NUMBER: CA01247 CYLINDERSIZ.E: 150A (141 std cu It) CYLINDER PRESSURE: 2000 psig 

COMP-ONENT CONCENTRATION (v/v) REFERENCE ANALYZER EXPIRATION REPLICATE 

: ± EPA UNCERTAINTY STANDARD V .... r.E. MODEL.. Sill. OETECTIOtl DATE ANALYSIS DATA 

Carbon d)0xide 5.02 ~ 0.05 % GIvIIS Varian Model 3400 718J20i1 7/8/2008 

CYLINDER #: Serial "# 10680 5.01 % 

CC83094 Thennel Conductivity 5.02 % 

@ 8.09 % GaG Chromatography 5.02% 

LAST CAL DATE: 718f2008 MEAN: 5.02% 

Oxygen 21.16;1:0.23% GMIS varian Model 3400 7/812011 71812008 

CYLINDERIf.: Serial # 10880 21.19% 

ALMO:31591 Thermal Conductivity 21.:5 % 

@24.39% Gas Chromotography 21.15 % 

LAST CAL DATE: 6/1812008 MEAN: 21.16 % 

Nitrogen: Balance 

ppm := un?ole/mo!1!l % ~ moIB-% 

Tho allov~ an<llyslis Wl're performed in accordance with Pro cadure G 1 of the EPA Troceability ProtJcot, Report Number EPA .. 600fR97/121. dated 

Septembcir 1897. 

::::~J:"""'ii(lld eL""'"" " "::::o:::"~'j,( ...... ()A_,_;-- _____ _ ; M.S.Ca!houn J. T. M,min 

ihe onli' li~~t;!y of this co.'11pefl)' lor gee vthie.'l foiis to comply wilt11h!s enety~l. 8~e:t be reploce .. ,en! or IBsneiynic thereof by U",e company wilt>cu\ eXli8 cast. 

STANDARD CALlE:lRATION GASES IN ALUMINUM CYLINDERS 

NOV 18 200S 09:07 9515532430 PAGE.02 
SIIII SCOTT-MARRIN, INC. 

6531 Box Springs Blvd • Riverside, CA 92507-0725 

Phone: +1 (951 )653-6780 • Fax: +1 (951 )653-2430 • www.scottmarrin.com 

Report Of Analysis 

EPA Protocol Gas Mixtures 

BARR01 

TO: Barr Engineering Co 

Attn: Pete Rossmiller 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2634 

CYLINDER NUMBER: CA01819 

COMPONENT CONCENTRATION (v/v) 

± EPA UNCERTAINTY 

Sulfur dioxide 26.10 ± 0.28 ppm 

Nitrogen Balance 

ppm = umole/mole % = mole-% 

REPORT NO: 54053-01 

REPORT DATE: July 15, 2008= 

CUSTOMER PO NO: 20080519AAGA 

CYLINDER SIZE: 150A (102 std cu tt) CYLINDER PRESSURE: 1450 psig 

REFERENCE ANALYZER EXPIRATION REPLICATE 

STANDARD MAKE, MODEL, SIN, DETECTION DATE ANAL YSIS OAT A 

GMIS BovarlW Res Model 922M 7/15/2010 7/15/2008 

CYLINDER#: Serial # 9228379-1 26.11 ppm 

ALM003641 Continuous 26.01 ppm 

@26.22ppmv UV Photometry 26.29 ~pm 

LAST CAL DATE: 7/11/2008 MEAN: 26.14 ppm 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97/121, dated 

September 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

ANALYST: ~ APPROVED: ______ ~----------------

M.J.Monson 

The only liability of this company for gas which fails to comply with this analysis shall be repla ment or reanalysis thereof by the company without extra cost. 

SIIII SCOTT-MARRIN, INC. 

6531 Box Springs Blvd • Riverside, CA 92507-0725 

Phone: +1 (951 )653-6780 • Fax: +1 (951 )653-2430 • www.scottmarrin.com 

Report Of Analysis 

EPA Protocol Gas Mixtures 

BARR01 

TO: Barr Engineering Co 

Attn: Pete Rossmiller 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2634 

CYLINDER NUMBER: CA01819 

COMPONENT CONCENTRATION (v/v) 

± EPA UNCERTAINTY 

Sulfur dioxide 26.10 ± 0.28 ppm 

Nitrogen Balance 

ppm = umole/mole % = mole-% 

REPORT NO: 54053-01 

REPORT DATE: July 15, 2008= 

CUSTOMER PO NO: 20080519AAGA 

CYLINDER SIZE: 150A (102 std cu tt) CYLINDER PRESSURE: 1450 psig 

REFERENCE ANALYZER EXPIRATION REPLICATE 

STANDARD MAKE, MODEL, SIN, DETECTION DATE ANAL YSIS OAT A 

GMIS BovarlW Res Model 922M 7/15/2010 7/15/2008 

CYLINDER#: Serial # 9228379-1 26.11 ppm 

ALM003641 Continuous 26.01 ppm 

@26.22ppmv UV Photometry 26.29 ~pm 

LAST CAL DATE: 7/11/2008 MEAN: 26.14 ppm 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97/121, dated 

September 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

ANALYST: ~ APPROVED: ______ ~----------------

M.J.Monson 

The only liability of this company for gas which fails to comply with this analysis shall be repla ment or reanalysis thereof by the company without extra cost. 
51111 SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. • RIVERSIDE, CA 92507 

TELEPHONE (951) 653-6780 • FAX (951) 653-2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

BARR01 

TO: Barr Engineering Co 

Attn: Aaron Aamold 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2959 

REPORT NO: 55316-01 

REPORT DATE: March 16, 20090 

CUSTOMER PO NO: 20090122-MTP 

CYLINDER NUMBER: CC99498 CYLINDER SIZE: 150A (141 std cu ft) CYLINDER PRESSURE: 2000 psig 

COMPONENT 

CONCENTRATION (v/v) REFERENCE ANALYZER EXPIRATION REP.LICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL, SiN, DETECTION DATE ANALYSIS DATA 

Sulfur dioxide 13.19 ± 0.14 ppm GMIS BovarNV Res Model 922M 9/13/2009 3/612009 3/13/2009 

CYLINDER#: Serial # 9228379-1 13.18 ppm 13.15 ppm 

CC12269 Continuous 13.28 ppm 13.21 ppm 

@ 10.37 ppmv UV Photometry 13.21 ppm 13.19 ppm 

LAST CAL DATE: 2/27/2009 MEAN: 13.22 ppm 13.18 ppm 

Nitrogen Balance 

ppm = umolelmole % :: mole-% 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-6001R97/121, dated 

September 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

ANALYST: ~ APPROVED: ____ ~~ __ --------------

M.J.Monson 

The only liability of this company for gas which fails to comply with this analysis shall be replace ent or reanalysis thereof by the company \\1thout extra cost 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 

51111 SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. • RIVERSIDE, CA 92507 

TELEPHONE (951) 653-6780 • FAX (951) 653-2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

BARR01 

TO: Barr Engineering Co 

Attn: Aaron Aamold 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2959 

REPORT NO: 55316-01 

REPORT DATE: March 16, 20090 

CUSTOMER PO NO: 20090122-MTP 

CYLINDER NUMBER: CC99498 CYLINDER SIZE: 150A (141 std cu ft) CYLINDER PRESSURE: 2000 psig 

COMPONENT 

CONCENTRATION (v/v) REFERENCE ANALYZER EXPIRATION REP.LICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL, SiN, DETECTION DATE ANALYSIS DATA 

Sulfur dioxide 13.19 ± 0.14 ppm GMIS BovarNV Res Model 922M 9/13/2009 3/612009 3/13/2009 

CYLINDER#: Serial # 9228379-1 13.18 ppm 13.15 ppm 

CC12269 Continuous 13.28 ppm 13.21 ppm 

@ 10.37 ppmv UV Photometry 13.21 ppm 13.19 ppm 

LAST CAL DATE: 2/27/2009 MEAN: 13.22 ppm 13.18 ppm 

Nitrogen Balance 

ppm = umolelmole % :: mole-% 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-6001R97/121, dated 

September 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

ANALYST: ~ APPROVED: ____ ~~ __ --------------

M.J.Monson 

The only liability of this company for gas which fails to comply with this analysis shall be replace ent or reanalysis thereof by the company \\1thout extra cost 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 
illlll 

BARR01 

SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. iii RIVERSIDE, CA 92507 

TELEPHONE (951) 653 - 6780 €I FAX (951) 653 - 2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

REPORT NO: 54774-02 

TO: Barr Engineering Co 

Attn: Aaron Aamold 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2959 

REPORT DATE: November 25,20080 

CUSTOMER PO NO: 20081023MGA 

CYLINDER NUMBER: CC74072 CYLINDER SIZE: 150A (141 stdcuft) CYLINDER PRESSURE: 2000 psig 

COMPONENT CONCENTRATION (v/v) REFERENCE ANALYZER EXPIRATION REPLICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL. S;N, DETECTION DATE ANALYSIS DATA 

Nitric oxide 117.8 ± 0.9 ppm GMIS Monitor Labs ModeJ 8440 11/25/2010 11/18/2008 11/25/2008 

NOx 117.8 ppm CYLINDER#-: Serial #- 136 117.6 ppm 117.6 ppm 

CC68777 Continuous 117.7 ppm 118.0 ppm Nitrogen dioxide < 0.6 ppm @ 101.1 ppmv Chemiluminescence 118.0 ppm 118.0 ppm 

LAST CAL DATE: 11/18/2008 MEAN: 117.8 ppm 117.9 ppm 

02-free Nitrogen Balance 

ppm = umole/mole % " mole-% 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Prolocol, Report Number EPA-600/R97/121, dated 

September 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

ANALYST: __________ t>.c~:M~ ~ __ =_~ __________ APPROVED: ____ ~~--__ -----------

D.C.Marrin 

The only liability of this company for gas whiGh fails to comply v,1th this analysis shall be replace ent or reanalysis thereof by the company without ex:ra cost 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 

SIIII 

BARR01 

SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. iii RIVERSIDE, CA 92507 

TELEPHONE (951) 653 - 6780 €I FAX (951) 653 - 2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

REPORT NO: 54774-02 

TO: Barr Engineering Co 

Attn: Aaron Aamold 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2959 

REPORT DATE: November 25,20080 

CUSTOMER PO NO: 20081023MGA 

CYLINDER NUMBER: CC74072 CYLINDER SIZE: 150A (141 stdcuft) CYLINDER PRESSURE: 2000 psig 

COMPONENT CONCENTRATION (v/v) REFERENCE ANALYZER EXPIRATION REPLICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL. S;N, DETECTION DATE ANALYSIS DATA 

Nitric oxide 117.8 ± 0.9 ppm GMIS Monitor Labs ModeJ 8440 11/25/2010 11/18/2008 11/25/2008 

NOx 117.8 ppm CYLINDER#-: Serial #- 136 117.6 ppm 117.6 ppm 

CC68777 Continuous 117.7 ppm 118.0 ppm Nitrogen dioxide < 0.6 ppm @ 101.1 ppmv Chemiluminescence 118.0 ppm 118.0 ppm 

LAST CAL DATE: 11/18/2008 MEAN: 117.8 ppm 117.9 ppm 

02-free Nitrogen Balance 

ppm = umole/mole % " mole-% 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Prolocol, Report Number EPA-600/R97/121, dated 

September 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

ANALYST: __________ t>.c~:M~ ~ __ =_~ __________ APPROVED: ____ ~~---------------

D.C.Marrin 

The only liability of this company for gas whiGh fails to comply v,1th this analysis shall be replace ent or reanalysis thereof by the company without ex:ra cost 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 
51111 SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. e RIVERSIDE, CA 92507 

TELEPHONE (951) 653·6780 III FAX (951) 653 - 2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

BARR01 

TO: Barr Engineering Co 

Attn: Pete Rossmiller 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2634 

REPORT NO: 53586-01 

REPORT DATE: April 24, 20080 

CUSTOMER PO NO; 20080226AAGA 

CYLINDER NHM8ER: CC78164 CYLINDER SIZE: 150A (141 sid cu ft) CYLINDER PRESSURE: 2000 psig 

COMPONENT 

CONCENTRATION (vlv) REFERENCE ANALYZER EXPIRATION REPLICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL, SIN, DETECTION DATE ANALYSIS DATA 

Nitric oxide . 250.6 ± 1.7 ppm GMIS Monitor Labs Model 8440 4/10/2010 4J3/2008 4J10/?OO8 

NOx 250.6 ppm CYLINDER#: Serial # 136 251.9 ppm 250.4 ppm 

CC72078 Continuous 250.8 ppm 250.7 ppm Nitrogen dioxide < 1.3 ppm @254.3ppmv Chemiluminescence 252.2 ppm 250.6 ppm 

LAST CAL DATE: 3/19/2008 rllEAN: 251.6 ppm 250.6 ppm 

02-free Nitrogen Balance 

ppm = umo!efmo!e % = mote-% 

The above analyses weJe performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97/121, dated 

September 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

fj).c_:M~ ANALYST: ____ ---'t!l.-"'--_____ APPROVED: ---f~--------

D.C.Marrin 

The only liab:!it)' of this company for gas Which fails to comply with this analysis shall be replace ent or reanalysis thereof by the company without extra cost 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 

51111 SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. e RIVERSIDE, CA 92507 

TELEPHONE (951) 653·6780 III FAX (951) 653 - 2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

BARR01 

TO: Barr Engineering Co 

Attn: Pete Rossmiller 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2634 

REPORT NO: 53586-01 

REPORT DATE: April 24, 20080 

CUSTOMER PO NO; 20080226AAGA 

CYLINDER NHM8ER: CC78164 CYLINDER SIZE: 150A (141 sid cu ft) CYLINDER PRESSURE: 2000 psig 

COMPONENT 

CONCENTRATION (vlv) REFERENCE ANALYZER EXPIRATION REPLICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL, SIN, DETECTION DATE ANALYSIS DATA 

Nitric oxide . 250.6 ± 1.7 ppm GMIS Monitor Labs Model 8440 4/10/2010 4J3/2008 4J10/?OO8 

NOx 250.6 ppm CYLINDER#: Serial # 136 251.9 ppm 250.4 ppm 

CC72078 Continuous 250.8 ppm 250.7 ppm Nitrogen dioxide < 1.3 ppm @254.3ppmv Chemiluminescence 252.2 ppm 250.6 ppm 

LAST CAL DATE: 3/19/2008 rllEAN: 251.6 ppm 250.6 ppm 

02-free Nitrogen Balance 

ppm = umo!efmo!e % = mote-% 

The above analyses weJe performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97/121, dated 

September 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

fj).c_:M~ ANAL YST: _____ t!l_"'--_____ APPROVED: ----f-'---------

D.C.Marrin 

The only liab:!it)' of this company for gas Which fails to comply with this analysis shall be replace ent or reanalysis thereof by the company without extra cost 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 
51111 

BARR01 

TO: Barr Engineering Co 

Attn: Pete Rossmfller 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2634 

SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. II RIVERSIDE, CA 92507 

TELEPHONE (951) 653-6780" FAX (951) 653-2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

REPORT NO: 53990-01 

REPORT DATE: July 1, 2008[: 

CUSTOMER PO NO: 20080519AAGA 

CYLlNDER NUflllBER: CC12689 CYLINDER SIZE: 15C,A (i4-1 std cu Tt) CYLINDER PRESSURE: 2000 psig 

COMPONENT CONCENTRATION (vlv) REFERENCE ANALYZER EXPIRATION REPLICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL, SIN, DETECTION DATE ANALYSIS DATA 

Nitric oxide 499 ± 3 ppm GMIS Monitor Labs Model 8440 6/30/2010 6/20/2008 6/30/2008 

NOx 499 ppm CYLINDER #: Serial # 136 500 ppm 497 ppm 

CC50638 Continuous 500 ppm 499 ppm Nitrogen dioxide <3 ppm @576 ppmv Chemiluminescence 502 ppm 499 ppm 

LAST CAL DATE: 6/20/2008 MEAN: 501 ppm 498 ppm 

02-free Nitrogen Balance 

ppm = umolelmole % = mole-% 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97/121, dated 

September 1997_ 

The above analyses are invalid:if the cylinder pressure is less than 150 psig_ 

ANALYST: _fD __ ._c_--_,_!t1-=_~ __ =-___ APPROVED: __ -f/A~~_z _' __ ' __ _ 

I 

D.C.Marrin L J_ T. Marrin 

The only liability orthis company for gas which fails to complyv.ith this analysis shall be replace ent or reanalysis thereof by the company without extra cost. 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 

51111 

BARR01 

TO: Barr Engineering Co 

Attn: Pete Rossmfller 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2634 

SCOTT-MARRIN, INC. 

6531 BOX SPRINGS BLVD. II RIVERSIDE, CA 92507 

TELEPHONE (951) 653-6780" FAX (951) 653-2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

REPORT NO: 53990-01 

REPORT DATE: July 1, 2008[: 

CUSTOMER PO NO: 20080519AAGA 

CYLlNDER NUflllBER: CC12689 CYLINDER SIZE: 15C,A (i4-1 std cu Tt) CYLINDER PRESSURE: 2000 psig 

COMPONENT CONCENTRATION (vlv) REFERENCE ANALYZER EXPIRATION REPLICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL, SIN, DETECTION DATE ANALYSIS DATA 

Nitric oxide 499 ± 3 ppm GMIS Monitor Labs Model 8440 6/30/2010 6/20/2008 6/30/2008 

NOx 499 ppm CYLINDER #: Serial # 136 500 ppm 497 ppm 

CC50638 Continuous 500 ppm 499 ppm Nitrogen dioxide <3 ppm @576 ppmv Chemiluminescence 502 ppm 499 ppm 

LAST CAL DATE: 6/20/2008 MEAN: 501 ppm 498 ppm 

02-free Nitrogen Balance 

ppm = umolelmole % = mole-% 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97/121, dated 

September 1997_ 

The above analyses are invalid:if the cylinder pressure is less than 150 psig_ 

ANALYST: _fD __ ._c_--_,_!t1--=_~ __ =-___ APPROVED: __ -f/A....::.-~_z _' __ ' __ _ 

I 

D.C.Marrin L J_ T. Marrin 

The only liability orthis company for gas which fails to complyv.ith this analysis shall be replace ent or reanalysis thereof by the company without extra cost. 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 
Sent By: SCOTT·MARRIN INC.; 

1 

te·1I11 

i 

; 

1 

, 

j 

~ARR01 . 

9516532430; Feb·2B·09 10:59AM; 

SCOTT-MARRIN, INC. 

6531 SOX SPRINGS SLVD. e RIVERSIDE, CA 92507 

TELEPHONE (95 t) 653-6760" FAX (951) 653-2430 

Report Of Analysis 

NlST· Traceable Gas Mixtures 

REPORT NO: 55176-01 

Page 2i2 

TO: ~arr Engineering Co 

Attn: Aaron Aamold 

~390 OHMS Lane 

[dina, MN 55439·2330 

(~52) 832-2959 

REPORT DATE: February 13. 200911 

CUSTOMER PO NO: 20090122AMM1<2 

i , 

I 

i 

1 

CYLl~DER NUMBER: CC101276 

1 

CO~~PONENT ) 

CONCENTRATION ('!tv) 

I d· ·d i'JitfOg1:f1 IOXI e 43.2 :t 0.9 P?nlV 

Nftrogdn Balanca 

i CYilnd~r Size: 150A (121 $td cu tt) 

Cylind~r Pressure: 1725 pslg 

Shelf 4fe: 6 months 

1 

~ ( 

1 

~ f 

1 

I 

ppm =i umolglmole % '" mole·% 

NIST TRACEABLE 

REFERENCE STANDARD 

SRM 1683b 

The t$ove analyses are traceable \0 the National instit:.Jie of Standards and Technology by intercomparison with ihe reference 

standprd listed herein; Where indicated. volumetric and gravimetric reference l>tandaros are traceable thru usc of our analyiical 

balanpe. NIST Report Number MMAP 232.09(202491. 

ANA~m b. C 41--./ 

i . D.CM.arnn J. T. Marrin 

The onl,.J liBtlIlIY~! \h;~ t<Jm~nT lor g~s which iail, b comply w/:h thi~ on"\yii& nh.J/ be replscs, ant or real'>ij!/.~is the roof I:Iy the company wltho:}t extra cest 

··1 . STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS f • 

APPROVED: ____ ~~ ____ .... --____ ----------

l 

I 

FEB 25 2083 12:28 8516532430 PAGE.02 

Sent By: SCOTT·MARRIN INC.; 

1 

te·1I11 

i 

; 

1 

, 

j 

~ARR01 . 

9516532430; Feb·2B·09 10:59AM; 

SCOTT-MARRIN, INC. 

6531 SOX SPRINGS SLVD. e RIVERSIDE, CA 92507 

TELEPHONE (95 t) 653-6760" FAX (951) 653-2430 

Report Of Analysis 

NlST· Traceable Gas Mixtures 

REPORT NO: 55176-01 

Page 2i2 

TO: ~arr Engineering Co 

Attn: Aaron Aamold 

~390 OHMS Lane 

[dina, MN 55439·2330 

(~52) 832-2959 

REPORT DATE: February 13. 200911 

CUSTOMER PO NO: 20090122AMM1<2 

i , 

I 

i 

1 

CYLl~DER NUMBER: CC101276 

1 

CO~~PONENT ) 

CONCENTRATION ('!tv) 

I 

i'JitfOg1:f1 dioxide 43.2 :t 0.9 P?nlV 

Nftrogdn Balanca 

i CYilnd~r Size: 150A (121 $td cu tt) 

Cylind~r Pressure: 1725 pslg 

Shelf 4fe: 6 months 

1 

~ ( 

1 

~ f 

1 

I 

ppm =i umolglmole % '" mole·% 

NIST TRACEABLE 

REFERENCE STANDARD 

SRM 1683b 

The t$ove analyses are traceable \0 the National instit:.Jie of Standards and Technology by intercomparison with ihe reference 

standprd listed herein; Where indicated. volumetric and gravimetric reference l>tandaros are traceable thru usc of our analyiical 

balanpe. NIST Report Number MMAP 232.09(202491. 

ANA~m b. C 41--./ 

i . D.CM.arnn J. T. Marrin 

The onl,.J liBtlIlIY~! \h;~ t<Jm~nT lor g~s which iail, b comply w/:h thi~ on"lyii& nh.J/ be replscs, ant or real'>ij!/.~is the roof I:Iy the company wltho:}t extra cest 

··1 . STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS f • 

APPROVED: ____ ~~ ____ .... --____ ----------

l 

I 

FEB 25 2083 12:28 8516532430 PAGE.02 
AppendixF 

Process Operating Data 
C>:n Form ST-05 

--...." !!!!!'" Operating Data Summary For Process Sources 

Minnesota 

PoUut:ion 

Control 

Agency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, lViN 55155-4194 (651)-296-6300 

Test Date(s): lvlarch 31-Aprill, 2009 Process Equipment NumberlIdentification: EU026 (SYOI4) 

Company Name: ArcelorMittal Minorca Mine 

Equipment & Operating Data 

I. Process Equipment Description: Straight grate kiln stack A 

2. Were the process and control equipment operated consistent with normal procedures? YES: If no, explain: 

6/9/06 

3. Include copy of production records or instrumentation which indicates rate of production or operation of the equipment, i.e. units 

per hour, pounds per hour, pressure, air flow, etc. 

4. Date(s) and procedure(s) oflast maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

No maintenance within the previous month. 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units ; Run 1 Run 2 Run3 

Fired pellet production rate (Long tons per hour) 343 347 327 

! 

Fuel Input (list units) Natural gas (MMsct) 168 171 180 

Heat Input (l06 British thermal units/hour) 168,000 171,000 179,000 

AveralZe 

339 

173 

173,000 

6 Summarize control equipment operating data documented during testing. Values reported should reflect maximum, minimum, averages, or as 

approved in the test plan. (See test plan and approval letter) 

Examples of APC equipment and parameters generally monitored. Monitor as in test plan and/or approval letter. 

;. Scrubber (list type of scrubber): Ll.P (in. w.c.) and feed rate (gpm and psi g) e Baghouse, Cyclone, and Multi-clone: Ll.P (in. w.c.) 

;(; Catalytic Incinerator :(OFin ,oF out) and Them1ul Ll1cinerator: o ESP: Number a11d identity of operating field(s) 

~~.PC gnd parameter mordtored 

Scmbber water flow (gpm) 

Pressure drop (in. w.c.) 

List DoHurant &; averacring b2Sis~-.. shouId reflect nerm!I ! 

Continuous Opacity rVlonitor(list hourly average) 

Monitor (list averaging basis): 

Monitor (list averaging basis): 

. 

Run 1 

1,131 

4.2 

Abbreviations: APC-air pollution control 

lbs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

Kun2 Kun .3 

1,133 1,139 

4.1 4.2 

REn2 Run 3 

. 

in. w.c.-inches of water column 

.iP- pressure drop 

Average 

1,134 

4.2 

.~yer2ge 

Note: This form provides only a summary of the operating conditions during the performance test. Additional and more detailed records are required 

to meet the requirements of Minn. R. 7017.2035, subp. 3. This form is to be submitted as part of the performance test report. 

aq-f6-ST05 Form ST-05, Page 1 of 1 

, 

I 

a:.:Z~ Form ST-05 

--...." !!!!!'" Operating Data Summary For Process Sources 

Minnesota 

PoUut:ion 

Control 

Agency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, lViN 55155-4194 (651)-296-6300 

Test Date(s): lvlarch 31-Aprill, 2009 Process Equipment NumberlIdentification: EU026 (SYOI4) 

Company Name: ArcelorMittal Minorca Mine 

Equipment & Operating Data 

I. Process Equipment Description: Straight grate kiln stack A 

2. Were the process and control equipment operated consistent with normal procedures? YES: If no, explain: 

6/9/06 

3. Include copy of production records or instrumentation which indicates rate of production or operation of the equipment, i.e. units 

per hour, pounds per hour, pressure, air flow, etc. 

4. Date(s) and procedure(s) oflast maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

No maintenance within the previous month. 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units ; Run 1 Run 2 Run3 

Fired pellet production rate (Long tons per hour) 343 347 327 

! 

Fuel Input (list un! ;) Natural gas (Mlvfsct) 168 171 180 

Heat Input (106 British thermal units/hour) 168,000 171,000 179,000 

AveralZe 

339 

173 

173,000 

6 Summarize control equipment operating data documented during testing. Values reported should reflect maximum, minimum, averages, or as 

approved in the test plan. (See test plan and approval letter) 

Examples of APC equipment and parameters generally monitored. Monitor as in test plan and/or approval letter. 

;. Scrubber (list type of scrubber): Ll.P (in. w.c.) and feed rate (gpm and psi g) e Baghouse, Cyclone, and Multi-clone: Ll.P (in. w.c.) 

;(; Catalytic Incinerator :(OFin ,oF out) and Them1ul Ll1cinerator: o ESP: Number a11d identity of operating field(s) 

~~.PC gnd parameter mordtored Run 1 Run 2 Run .3 Average 

Scmbbei' water flow (gpm) 1,131 1,133 1,139 1,134 

Pressure drop (in. w.c.) 4.2 4.1 4.2 4.2 

, 

! 

I '-------------------------------------:-----------------4----------1 

List DoHurant &; averaging b2Sis~-.. shouId reflect nerm!I Run 1 

Continuous Opacity rVlonitor(list hourly average) 

Monitor (list averaging basis): 

Monitor (list averaging basis): 

Abbreviations: APC-air pollution control 

lbs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

REn2 Run 3 

in. w.c.-inches of water column 

.iP- pressure drop 

Note: This form provides only a summary of the operating conditions during the performance test. Additional and more detailed records are required 

to meet the requirements of Minn. R. 7017.2035, subp. 3. This form is to be submitted as part of the performance test report. 

aq-f6-ST05 Form ST-05, Page 1 of 1 

, 

i 

I 

I 
Form ST-05 

Operating Data Summary For Process Sources 

Minnesot:a 

PolllUl1:ion 

Control 

A.gency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (651)-296-6300 

Test Date(s): ..;;.A;;J;p..;;.r..;;.il..;;.I.;.., 2;;;..0;;..;0;..:.9 ____ .,..--___ _ Process Equipment NumberlIdentification: EU026 (SYOI5) 

Company Name: ArcelorMittal Minorca Mine 

Equipment & Operating Data 

1. Process Equipment Description: Straight grate kiln stack B 

2. Were the process and control equipment operated consistent with normal procedures? YES: 'If no, explain: 

6/9/06 

3. Include copy of production records or instrumentation which indicates rate of production or operation of the equipment, i.e. units 

per hour, pounds per hour, pressure, air flow, etc. 

4. Date(s) and procedure(s) oflast maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

No maintenance within the previous month. 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units Run 1 Run 2 Run 3 Avera!re 

Fired pellet production rate (Long tons per hour) "''''') .).)- 333 330 "''''') .).)-

Fuel Input (list units) Natural gas (MMsct) 172 : 175 173 174 

Heat Input (106 British thermal units/hour) 172,000 , 175,000 173,000 I 173,000 

6 Summarize control equipment operating data documented during testing. Values reported should reflect maximum, minimum, averages, or as 

approved in the test plan. (See test plan and approval letter) 

:Examples of APC equipment and parameters generally monitored, Monitor as in test pian and/or approval letter. 

" Scrubber (list type of scrubber): .6.P (in. w.c.) and feed rate (gpm and psig) G Baghouse, Cyclone, and Multi-done: .6.P (in. w.c.) 

A4.PC and. narameter monitored 

Scrubber ,vater flow (gpm) 

Pressure drop (in. w.c.) 

.: List poHutant & averaging basis.--shouId reflect nermit i 

;Contiuuous Opacity lvlonitor(list houdy average) 

D~onitor (list averaging basis): 

~onitor (list averaging basis): 

Run 1 

1,646 

3.9 

Run 1 

gpm.-galions per minute 

. 

G ESP: Number and identity of operating field(s) 

Run 2 Run 3 I i~verage 

1,647 1,647 1,647 

3.9 4.0 3.9 

Run 2 Run 3 Average 

Abbreviations: APC-air pollution control 

Ibs.-pounds psig-pressure per square inch gauge 

in. w.c.-inches of water column 

ilP- pressure drop 

Note: This form provides only a summary of the operating conditions during the performance test. Additional and more detailed records are required 

to meet the requirements of Minn. R. 70 I 7.2035, subp. 3. This form is to be submitted as part of the perfo 

aq-f6-ST05 Form ST-05, Page 1 of 1 

! 

I 

I 

I 

Form ST-05 

Operating Data Summary For Process Sources 

Minnesot:a 

PolllUl1:ion 

Control 

A.gency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (651)-296-6300 

Test Date(s): ~A ..... p_r-:il_I-7' _-:?0:-0_9:-:-:-:--_~:-:--___ _ Process Equipment NumberlIdentification: EU026 (SYOI5) 

Company Name: ArcelorMittal Minorca Mine 

Equipment & Operating Data 

1. Process Equipment Description: Straight grate kiln stack B 

2. Were the process and control equipment operated consistent with normal procedures? YES: 'If no, explain: 

6/9/06 

3. Include copy of production records or instrumentation which indicates rate of production or operation of the equipment, i.e. units 

per hour, pounds per hour, pressure, air flow, etc. 

4. Date(s) and procedure(s) oflast maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

No maintenance within the previous month. 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units Run 1 Run 2 Run 3 Avera!re 

Fired pellet production rate (Long tons per hour) .).)- "''''? 333 330 .).)- "''''? 

, 

Fuel Input (list units) Natural gas (MMsct) 172 175 173 174 

Heat Input (106 British thermal units/hour) 172,000 , 175,000 173,000 I 173,000 

6 Summarize control equipment operating data documented during testing. Values reported should reflect maximum, minimum, averages, or as 

approved in the test plan. (See test plan and approval letter) 

:Examples of APC equipment and parameters generally monitored, Monitor as in test pian and/or approval letter. 

" Scrubber (list type of scrubber): .6.P (in. w.c.) and feed rate (gpm and psig) G Baghouse, Cyclone, and Multi-eione: .6.P (in. w.c.) 

G ESP: Number and identity of operating field(s) 

A4.PC and. narameter monitored Run 1 

Scrubber ,vater flow (gpm) 1,646 

Pressure drop (in. w.c.) 3.9 

t poHutant & averaging basis.--shouId reflect nermit i Run 1 

tiuuous Opacity lvlonitor(list houdy average) 

ionitor (list averaging basis): 

'Ionitor (list averaging basis): 

Abbreviations: APC-air pollution control 

Ibs.-pounds 

gpm.-galions per minute 

psig-pressure per square inch gauge 

Run 2 Run 3 I i~verage 

1,647 1,647 

3.9 4.0 

Run 2 Run 3 

in. w.c.-inches of water column 

ilP- pressure drop 

1,647 

3.9 

Average 

Note: This form provides only a summary of the operating conditions during the performance test. Additional and more detailed records are required 

to meet the requirements of Minn. R. 70 I 7.2035, subp. 3. This form is to be submitted as part of the perfo 

aq-f6-ST05 Form ST-05, Page 1 of 1 
Form ST-05 

Operating Data Summary For Process Sources 

Minnesota. 

Pollution 

ControM 

A.gency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (651)-296-6300 

Test Date(s): .;.A""'p;..;..r;.;.il ..... 2"-, 2 ..... 0:...;0..:.9:--~_-:-:~ ___ _ Process Equipment NumberlIdentification: EU026 (SV016) 

Company Name: ArcelorMittal Minorca Mine 

Equipment & Operating Data 

1. Process Equipment Description: Straight grate kiln stack C 

2. Were the process and control equipment operated consistent with nom1al procedures? YES: 'If no, explain: 

6/9/06 

3. Include copy of production records or instrumentation which indicates rate of production or operation of the equipment, i.e. units 

per hour, pounds per hour, pressure, air flow, etc. 

Date(s) and procedure(s) oflast maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

No maintenance within the previous month. 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units , Run 1 ; 

Run 2 : Run3 

Fired pellet production rate (Long tons per hour) 329 325 311 

, 

Fuel Input (list units) Natural gas (IvlMscf) 170 174 174 

Heat Input (106 British thermal units/hour) 169,000 173,000 , 173,000 

Average 

"?? .J __ 

171 

172,000 

6 Summarize control equipment operating data documented during testing. Values reported should reflect maximum, minimum, averages, or as 

approved in the test plan. (See test plan and approval letter) 

Examples of APe equipment and parameters generaiiy monitored. Monitor as in test plan and/or approval letter. 

;. Scrubber (list type of scrubber): L'lP (in. w.c.) ai1d feed rate (gpm and psig) G Baghouse, Cyclone, 2nd I\luiti-clone: L'lP (in. w.c.) 

List poHutant & averr.ging basis.--should reflect permit' Run 1 

·Continuous Opacity l\Ionitor(Hst hourly average) 

IVAonitor (list averaging basis): 

Monitor (list averaging basis): 

Abbreviations: APC-air pollution control 

Ibs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

Run 2 Run 3 

in. ",.c.-inches of water column 

AP- pressure drop 

A,:.verage 

Note: This form provides only a summary of the operating conditions during the performance test. Additional and more detailed records are required 

to meet the requirements of Minn. R. 7017.2035, subp. 3. This fonn is to be submitted as part of the perfo 

aq-f6-ST05 Form ST-05, Page 1 of 1 

! 

Form ST-05 

Operating Data Summary For Process Sources 

Minnesota. 

Pollution 

ControM 

A.gency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (651)-296-6300 

Test Date(s): _A ...... p_ri_I_2'-, 2_0_0_9 ________ _ Process Equipment Numberlldentification: EU026 (SV016) 

Company Name: ArcelorMittal Minorca Mine 

Equipment & Operating Data 

1. Process Equipment Description: Straight grate kiln stack C 

2. Were the process and control equipment operated consistent with nom1al procedures? YES: 'If no, explain: 

6/9/06 

3. Include copy of production records or instrumentation which indicates rate of production or operation of the equipment, i.e. units 

per hour, pounds per hour, pressure, air flow, etc. 

Date(s) and procedure(s) oflast maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

No maintenance within the previous month. 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units , Run 1 ; 

Run 2 : Run3 

Fired pellet production rate (Long tons per hour) 329 325 311 

, 

Fuel Input (list units) Natural gas (IvlMscf) 170 174 174 

Heat Input (106 British thermal units/hour) ; 169,000 173,000 : 173,000 

Average 

"?? .J __ 

171 

172,000 

6 Summarize control equipment operating data documented during testing. Values reported should reflect maximum, minimum, averages, or as 

approved in the test plan. (See test plan and approval letter) 

Examples of APe equipment and parameters generaiiy monitored. Monitor as in test plan and/or approval letter. 

;. Scrubber (list type of scrubber): L'lP (in. w.c.) ai1d feed rate (gpm and psig) G Baghouse, Cyclone, 2nd I\luiti-clone: L'lP (in. w.c.) 

List poHutant & averr.ging basis.--should reflect permit' Run 1 

·Continuous Opacity l\Ionitor(Hst hourly average) 

IVAonitor (list averaging basis): 

Monitor (list averaging basis): 

Abbreviations: APC-air pollution control 

Ibs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

Run 2 Run 3 

in. ",.c.-inches of water column 

AP- pressure drop 

A,:.verage 

Note: This fOffi1 provides only a summary of the operating conditions during the perfoffi1ance test. Additional and more detailed records are required 

to meet the requirements of Minn. R. 7017.2035, subp. 3. This fonn is to be submitted as part of the perfo 

aq-f6-ST05 Form ST-05, Page 1 of 1 

! 
,'!:In ... rS7""'"" 

Form ST-05 

Operating Data Summary For Process Sources TD --

MinnesOlta 

PollutiOln 

ContrOlI 

Agency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (651 )-296-6300 

6/9/06 

I 

I 

I 

i 

Test Date(s): _A ..... p_ri_I_2 .... ,2_0_0_9 ________ _ Process Equipment NumberlIdentification: EU026 (S\'O 17) 

Company Name: ArcelorMittal Minorca Mine 

Equipment & Operating Data 

1. Process Equipment Description: Straight grate kiln stack D 

2. Were the process and control equipment operated consistent with normal procedures? 'YES: 'If no, explain: 

3. Include copy of production records or instrumentation which indicates rate of production or operation of the equipment, i.e. units 

per hour, pounds per hour, pressure, air flow, etc. 

4. Date(s) and procedure(s) oflast maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

No maintenance within the previous month. 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units Run 1 Run 2 Run 3 

Fired pellet production rate (Long tons per hour) 333 334 331 

Fuel Input (list units) Natural gas (MMscf) 171 172 172 

Heat Input (106 British thermal unitslhour) 170,000 171,000 171,000 

Average 

333 

171 

171,000 

6 Summarize control equipment operating data documented during testing. Values reported should reflect maximum, minimum, averages, or as 

approved in the test plan. (See test plan and approval letter) 

! 1-----------

1 . List poHutant & averaging b2cSis.--shouid reflect permit: Run 1 

Continuous Opacity Monitor(Hst houriy average) , 

• BI0nitOr (list averaging basis): 

Monitor (list averaging basis): 

Abbreviations: APC-air pollution control 

lbs.-pounds 

gpm.-gaHons per minute 

psig-pressure per square inch gauge 

Kun2 Run 3 

in. w.c.-inches of water column 

~P- pressure drop 

Average 

Note: This foml provides only a summary of the operating conditions during the performance test. Additional and more detailed records are required 

to meet the requirements ondinn. R. 7017.2035, subp. 3. This foml is to be submitted as part of the perfo 

aq-f6-ST05 Form ST-05, Page 1 of 1 

i 

! 

,,!::Z~ Form ST-05 

... rS7""'"" 

TD --

Operating Data Summary For Process Sources 

MinnesOlta 

PollutiOln 

ContrOlI 

Agency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (651 )-296-6300 

Test Date(s): ..:.A.::.p;..:.r;..:.il..::;2 ... ,2::.,0:.,;0;..:.9 ________ _ Process Equipment NumberlIdentification: EU026 (S\'O 17) 

Company Name: ArcelorMittal Minorca Mine 

Equipment & Operating Data 

1. Process Equipment Description: Straight grate kiln stack D 

2. Were the process and control equipment operated consistent with normal procedures? 'YES: 'If no, explain: 

6/9/06 

3. Include copy of production records or instrumentation which indicates rate of production or operation of the equipment, i.e. units 

per hour, pounds per hour, pressure, air flow, etc. 

I 

I I 

I 

4. Date(s) and procedure(s) oflast maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

No maintenance within the previous month. 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units Run 1 Run 2 Run 3 

Fired pellet production rate (Long tons per hour) 333 334 331 

. 

Fuel Input (list units) Natural gas (MMscf) 171 172 172 

Heat Input (106 British thermal unitslhour) 170,000 171,000 171,000 

Average 

333 

171 

171,000 

6 Summarize control equipment operating data documented during testing. Values reported should reflect maximum, minimum, averages, or as 

approved in the test plan. (See test plan and approval letter) 

-Examples of APe equipment and parameters generally monitored. Monitor as in test plan andlor approvai lettel'. 

s Bughouse, Cydonel and Ivluiti-c~one: liP (in. \v.c.) 

i.

: Scrubber (list type of scrubber): ~P (in. w.c.) and feed rate (gpm and psi g) 

Catalytic Incinerator :(OF;" ,OF Oll') and The1111al Incinerator: (OF"mo",,,",,) • ESP: Number and identity of operating field(s) i ___________ -~_~p_c~C_&~r~'u~·~p~a~r~a~rr~'e~~t..:.e~r~n~1u~-r~ii~tu~~f~'e~u~: ________ ~ __ ~R~li=n~l~ ______ ~R~:u=l=u~Z~: ________ ~R=-u~'n~.~3 ____ ~I ____ ~p~~v~e~ra~g~e~ __ ~ 

i Scrubber water flow (gpm) 1,186 1,186 1 186 I 1,186 I hmuco clmp (i,-.-\\-'.--c.c...:)-------------- 6.2 6.2 ~.2 ji ____ 6_.2 __ 

. List poHutant & averaging b2cSis.--shouid reflect pel'mit : Run 1 

Continuous Opacity Monitor(Hst houriy 

Monitor (list averaging basis): 

Monitor (list averaging basis): 

Abbreviations: APC-air pollution control 

lbs.-pounds 

gpm.-gaHons per minute 

psig-pressure per square inch gauge 

Run 2 Run 3 

in. w.c.-inches of water column 

~P- pressure drop 

Average 

Note: This f01111 provides only a summary of the operating conditions during the performance test. Additional and more detailed records are required 

to meet the requirements of Minn. R. 7017.2035, subp. 3. This foml is to be submitted as part of the perfo 

aq-f6-ST05 Form ST-05, Page 1 of 1 
Tot 

"PREHEAT" "S" Chamber "A" Chamber TOTAL PLANT GAS Indurating BTU x 10' LTPH BTU ILT Gas Flow Gas Flow Gas Flow 

timestamp msec Al0~PH01G.-..s_U5_LST_Hi'\_VALO A l0:3CC1BG:'S_US_LST _H.q_ v;,.:.o A lC0CC1AG;..S_US _LST _HK_ VA!.O PlJITiOT_G':'S_US_LSiJiR_VAl..O 

4/3/2009 5:00 761 71000 44200 53900 213000 169100 168,559 304 554,470 

4/3120094:00 793 67000 43600 56000 209000 166600 166,067 308 539,178 4/3/2009 3:00 590 76000 43700 54600 217000 174300 173,742 327 531,322 4/3/2009 2:00 621 78000 44000 57500 222000 179500 178,926 333 537,314 4/312009 1 :00 709 80000 44200 56600 224000 180800 180,221 342 526,963 4/3/2009 0:00 740 78000 42300 56200 219000 176500 175,935 352 499,816 4/2/2009 23:00 787 77000 43100 52700 214000 172800 172,247 342 503,646 4/2/200922:00 834 76000 42200 53200 216000 171400 170,852 339 503,987 

4121200921 :00 850 77000 43000 52600 216000 172600 172,048 338 509,017 

4/212009 20:00 896 76000 41000 54400 218000 171400 170,852 326 524,084 

4/2/2009 19:00 943 77000 43800 57200 221000 178000 177,430 324 547,625 

4/2/2009 18:00 975 77000 42500 54700 220000 174200 173,643 328 529,398 

4/21200917:00 6 77000 43300 53200 216000 173500 172,945 340 508,661 

4/212009 16:00 53 77000 40800 53300 214000 171100 170.552 329 518,397 

4/212009 15:00 84 77000 42400 52900 215000 172300 171,749 333 515,762 

412/2009 14:00 100 77000 42000 51800 216000 170800 170,253 335 508.219 

4/2/2009 13:00 53 77000 40600 52700 214000 170300 169,755 330 514,409 

4/212009 12:00 975 77000 41800 54100 218000 172900 172,347 306 563.225 

4/2/2009 11 :00 912 77000 43200 54400 222000 174600 174,041 315 552,512 

4/2/2009 10:00 912 78000 41400 53200 217000 172600 172,048 334 515.113 

4/2/2009 9:00 834 77000 39700 53000 216000 169700 169,157 329 514,155 

412120098:00 881 79000 43200 56100 225000 178300 177.729 328 5~1.858 

4/212009 7:00 912 81000 43100 52800 222000 176900 176,334 339 520,159 

4/212009 6:00 943 82000 42000 52900 220000 176900 176,334 339 520.159 

4/212009 5:00 990 81000 41800 53000 222000 175800 175,237 344 509,411 

4/2/20094:00 37 81000 40900 56600 221000 178500 177,929 346 514,245 

41212009 3:00 84 81000 43000 56300 223000 180300 179,723 332 541.3~ 

4/212009 2:00 115 81000 43200 54700 223000 178900 178,328 337 529.162 

4/2/2009 1 :00 210 81000 43500 54600 222000 179100 178,527 341 523,539 

41212009 0:00 257 80000 43000 53700 218000 176700 176,135 333 528,933 

411/200923:00 288 78000 43900 54400 218000 176300 175,736 332 529,325 

4/1/200922:00 195 76000 42500 54400 214000 172900 172,347 339 508,397 

4/1/200921:00 241 76000 41700 54800 213000 172500 171,948 161 1,068,000 

4/1/200920:00 288 76000 43900 58200 218000 178100 177.530 8 22,191,260 

4/1/2009 19:00 320 75000 41700 54900 212000 171600 171,051 100 1,710,509 

4/1/200918:00 366 74000 42000 56600 213000 172600 172,048 326 527,754 

4/11200917:00 320 75000 42100 57000 214000 174100 173,5~3 333 521,150 

4/1/200916:00 304 74000 43700 59000 217000 176700 176,135 332 530.526 

4/1/2009 15:00 179 74000 43900 59100 219000 177000 176,434 331 533,032 

4/1/2009 14:00 132 76000 43500 56700 216000 176200 175,636 347 506,156 

4/1/2009 13:00 179 77000 47600 58300 223000 182900 182,315 306 595,800 

4/1/200912:00 210 62000 47600 55100 207000 16';700 164,173 171 960,076 

4ii,2009 j i :00 257 o:;,vuu A~An"\ 

5~5~Q 216000 ~ 7<1000 173,443 3.18 498.400 

4/1/2009 10:00 304 66000 44000 57100 209000 167100 166,565 335 497.210 

4/112009 9:00 273 76000 42500 55100 219000 173600 173,044 352 491,604 

4/1/20098:00 257 76000 39900 50700 210000 166600 166,067 365 454.978 

4/1/20097:00 288 79000 38600 51300 208000 168900 168,360 339 496,636 

411/20096:00 320 80000 39500 52500 211000 172100 171,549 330 519.846 

4/1/20095:00 366 80000 41300 54100 217000 175400 174,839 349 500,971 

4/1/2009 4:00 398 79000 40600 54600 214000 174400 173,842 334 520.485 

4/1120093:00 445 80000 41700 55200 218000 176900 176,334 351 502.376 

4/1/20092:00 ~76 80000 41000 54800 218000 175800 175.237 356 492,240 

4/1/20091:00 507 80000 40600 52500 215000 173100 172,546 350 492.989 

411/20090:00 523 80000 40400 53600 217000 174000 173,4~3 3~5 502.734 

3/31/200923:00 476 79000 43000 54200 221000 176200 175,636 341 515.062 

3/31/200922:00 460 79000 42800 54300 221000 176100 175.535 350 501,533 

31311200921:00 507 78000 41800 54200 219000 174000 173,443 351 494,140 

3/31/200920:00 538 78000 42700 53400 219000 i74100 173,543 333 521,150 

3/31/2009 19:00 585 79000 40400 50100 215000 169500 168.958 324 521.474 

3/31/200918:00 632 78000 41800 52700 218000 172500 171.9~8 329 522,635 

3/31/2009 17:00 648 79000 40900 51800 217000 171700 171,151 334 512,427 

3131/200916:00 695 78000 43200 54400 223000 175600 175.038 318 550,434 

31311200915:00 726 79000 43900 54500 225000 177400 175,832 341 518,570 

3/31/200914:00 788 80000 41400 48000 219000 169400 158,858 352 479,710 

3/31/200913:00 695 81000 41400 50300 219000 172700 172,147 342 503,355 

3131/2009 12:00 648 77000 41200 51700 219000 169900 169,356 337 502,541 

3/31/200911:00 523 71000 43100 52500 215000 166700 166,167 348 477,490 

3/31/200910:00 570 72000 44500 55400 221000 171900 171,350 138 1,241,666 

3/31/20099:00 601 73000 43000 56400 225000 172400 171.848 10 17,184,832 

3/31/20098:00 632 76000 37200 50600 212000 163800 153,276 3 54,425,280 

3/31120097:00 653 78000 38400 51900 215000 168300 167,761 55,920,480 

3131/20096:00 710 82000 37400 50800 214000 170200 169,655 20 8,482,768 

3/31/20095:00 757 81000 37900 49800 212000 168700 168,160 85 1.978,355 

3/31/20094:00 788 81000 36000 48300 209000 155300 164,771 37 4,453,271 

3/31/20093:00 210 81000 37300 49000 211000 167300 166.765 93 1,793,168 

3/31/20092:00 132 81000 37700 52300 214000 171000 170,453 310 549.848 

3/31/2009 1:00 231 82000 36300 54100 216000 174400 173,842 316 550,133 

3/31/20090:00 200 81000 38700 53100 216000 172800 172,247 321 536,595 

3/30/2009 23:00 75 78000 42000 55200 214000 175200 174,639 299 584,078 

3/30/2009 22:00 91 78000 44600 57800 221000 180400 179,823 305 589,583 

3/30/200921 :00 138 79000 44900 56700 220000 180600 180,022 321 560,816 

3/30/2009 20:00 169 79000 44100 54900 216000 178000 177,430 330 537,668 

3/30/2009 19:00 200 79000 43100 54900 217000 177000 176,434 337 523,542 

3130/200918:00 247 79000 43800 55700 216000 178500 177,929 286 622,129 

3/30/2009 17:00 278 79000 44000 54000 214000 177000 176,434 328 537,907 

Tot 

"PREHEAT" "S" Chamber "A" Chamber TOTAL PLANT GAS Indurating BTU x 10' LTPH BTU ILT Gas Flow Gas Flow Gas Flow 

timestamp msec Al0~PH01G.-..s_U5_LST_Hi'\_VALO A l0:3CC1BG:'S_US_LST _H.q_ v;,.:.o A lC0CC1AG;..S_US _LST _HK_ VA!.O PlJITiOT_G':'S_US_LSiJiR_VAl..O 

4/3/2009 5:00 761 71000 44200 53900 213000 169100 168,559 304 554,470 

4/3120094:00 793 67000 43600 56000 209000 166600 166,067 308 539,178 4/3/2009 3:00 590 76000 43700 54600 217000 174300 173,742 327 531,322 4/3/2009 2:00 621 78000 44000 57500 222000 179500 178,926 333 537,314 4/312009 1 :00 709 80000 44200 56600 224000 180800 180,221 342 526,963 4/3/2009 0:00 740 78000 42300 56200 219000 176500 175,935 352 499,816 4/2/2009 23:00 787 77000 43100 52700 214000 172800 172,247 342 503,646 4/2/200922:00 834 76000 42200 53200 216000 171400 170,852 339 503,987 

4121200921 :00 850 77000 43000 52600 216000 172600 172,048 338 509,017 

4/212009 20:00 896 76000 41000 54400 218000 171400 170,852 326 524,084 

4/2/2009 19:00 943 77000 43800 57200 221000 178000 177,430 324 547,625 

4/2/2009 18:00 975 77000 42500 54700 220000 174200 173,643 328 529,398 

4/21200917:00 6 77000 43300 53200 216000 173500 172,945 340 508,661 

4/212009 16:00 53 77000 40800 53300 214000 171100 170.552 329 518,397 

4/212009 15:00 84 77000 42400 52900 215000 172300 171,749 333 515,762 

412/2009 14:00 100 77000 42000 51800 216000 170800 170,253 335 508.219 

4/2/2009 13:00 53 77000 40600 52700 214000 170300 169,755 330 514,409 

4/212009 12:00 975 77000 41800 54100 218000 172900 172,347 306 563.225 

4/2/2009 11 :00 912 77000 43200 54400 222000 174600 174,041 315 552,512 

4/2/2009 10:00 912 78000 41400 53200 217000 172600 172,048 334 515.113 

4/2/2009 9:00 834 77000 39700 53000 216000 169700 169,157 329 514,155 

412120098:00 881 79000 43200 56100 225000 178300 177.729 328 5~1.858 

4/212009 7:00 912 81000 43100 52800 222000 176900 176,334 339 520,159 

4/212009 6:00 943 82000 42000 52900 220000 176900 176,334 339 520.159 

4/212009 5:00 990 81000 41800 53000 222000 175800 175,237 344 509,411 

4/2/20094:00 37 81000 40900 56600 221000 178500 177,929 346 514,245 

41212009 3:00 84 81000 43000 56300 223000 180300 179,723 332 541.3~ 

4/212009 2:00 115 81000 43200 54700 223000 178900 178,328 337 529.162 

4/2/2009 1 :00 210 81000 43500 54600 222000 179100 178,527 341 523,539 

41212009 0:00 257 80000 43000 53700 218000 176700 176,135 333 528,933 

411/200923:00 288 78000 43900 54400 218000 176300 175,736 332 529,325 

4/1/200922:00 195 76000 42500 54400 214000 172900 172,347 339 508,397 

4/1/200921:00 241 76000 41700 54800 213000 172500 171,948 161 1,068,000 

4/1/200920:00 288 76000 43900 58200 218000 178100 177.530 8 22,191,260 

4/1/2009 19:00 320 75000 41700 54900 212000 171600 171,051 100 1,710,509 

4/1/200918:00 366 74000 42000 56600 213000 172600 172,048 326 527,754 

4/11200917:00 320 75000 42100 57000 214000 174100 173,5~3 333 521,150 

4/1/200916:00 304 74000 43700 59000 217000 176700 176,135 332 530.526 

4/1/2009 15:00 179 74000 43900 59100 219000 177000 176,434 331 533,032 

4/1/2009 14:00 132 76000 43500 56700 216000 176200 175,636 347 506,156 

4/1/2009 13:00 179 77000 47600 58300 223000 182900 182,315 306 595,800 

4/1/200912:00 210 62000 47600 55100 207000 16';700 164,173 171 960,076 

4ii,2009 j i :00 257 o:;,vuu A~An"\ 

5~5~Q 216000 ~ 7<1000 173,443 3.18 498.400 

4/1/2009 10:00 304 66000 44000 57100 209000 167100 166,565 335 497.210 

4/112009 9:00 273 76000 42500 55100 219000 173600 173,044 352 491,604 

4/1/20098:00 257 76000 39900 50700 210000 166600 166,067 365 454.978 

4/1/20097:00 288 79000 38600 51300 208000 168900 168,360 339 496,636 

411/20096:00 320 80000 39500 52500 211000 172100 171,549 330 519.846 

4/1/20095:00 366 80000 41300 54100 217000 175400 174,839 349 500,971 

4/1/2009 4:00 398 79000 40600 54600 214000 174400 173,842 334 520.485 

4/1120093:00 445 80000 41700 55200 218000 176900 176,334 351 502.376 

4/1/20092:00 ~76 80000 41000 54800 218000 175800 175.237 356 492,240 

4/1/20091:00 507 80000 40600 52500 215000 173100 172,546 350 492.989 

411/20090:00 523 80000 40400 53600 217000 174000 173,4~3 3~5 502.734 

3/31/200923:00 476 79000 43000 54200 221000 176200 175,636 341 515.062 

3/31/200922:00 460 79000 42800 54300 221000 176100 175.535 350 501,533 

31311200921:00 507 78000 41800 54200 219000 174000 173,443 351 494,140 

3/31/200920:00 538 78000 42700 53400 219000 i74100 173,543 333 521,150 

3/31/2009 19:00 585 79000 40400 50100 215000 169500 168.958 324 521.474 

3/31/200918:00 632 78000 41800 52700 218000 172500 171.9~8 329 522,635 

3/31/2009 17:00 648 79000 40900 51800 217000 171700 171,151 334 512,427 

3131/200916:00 695 78000 43200 54400 223000 175600 175.038 318 550,434 

31311200915:00 726 79000 43900 54500 225000 177400 175,832 341 518,570 

3/31/200914:00 788 80000 41400 48000 219000 169400 158,858 352 479,710 

3/31/200913:00 695 81000 41400 50300 219000 172700 172,147 342 503,355 

3131/2009 12:00 648 77000 41200 51700 219000 169900 169,356 337 502,541 

3/31/200911:00 523 71000 43100 52500 215000 166700 166,167 348 477,490 

3/31/200910:00 570 72000 44500 55400 221000 171900 171,350 138 1,241,666 

3/31/20099:00 601 73000 43000 56400 225000 172400 171.848 10 17,184,832 

3/31/20098:00 632 76000 37200 50600 212000 163800 153,276 3 54,425,280 

3/31120097:00 653 78000 38400 51900 215000 168300 167,761 55,920,480 

3131/20096:00 710 82000 37400 50800 214000 170200 169,655 20 8,482,768 

3/31/20095:00 757 81000 37900 49800 212000 168700 168,160 85 1.978,355 

3/31/20094:00 788 81000 36000 48300 209000 155300 164,771 37 4,453,271 

3/31/20093:00 210 81000 37300 49000 211000 167300 166.765 93 1,793,168 

3/31/20092:00 132 81000 37700 52300 214000 171000 170,453 310 549.848 

3/31/2009 1:00 231 82000 36300 54100 216000 174400 173,842 316 550,133 

3/31/20090:00 200 81000 38700 53100 216000 172800 172,247 321 536,595 

3/30/2009 23:00 75 78000 42000 55200 214000 175200 174,639 299 584,078 

3/30/2009 22:00 91 78000 44600 57800 221000 180400 179,823 305 589,583 

3/30/200921 :00 138 79000 44900 56700 220000 180600 180,022 321 560,816 

3/30/2009 20:00 169 79000 44100 54900 216000 178000 177,430 330 537,668 

3/30/2009 19:00 200 79000 43100 54900 217000 177000 176,434 337 523,542 

3130/200918:00 247 79000 43800 55700 216000 178500 177,929 286 622,129 

3/30/2009 17:00 278 79000 44000 54000 214000 177000 176,434 328 537,907 
3/30/2009 16:00 325 79000 44300 52800 214000 176100 175,536 324 541,779 

3/30/2009 15:00 278 79000 43100 53000 218000 175100 174,540 342 510,350 

3/30/2009 14:00 278 79000 42800 53600 217000 175400 174,839 311 562,182 

3/30/2009 13:00 310 75000 42600 54000 215000 171600 171,051 314 544,748 

3/30/2009 12:00 341 77000 43300 55800 222000 176100 175,536 345 508,801 

3/30/2009 11 :00 388 77000 42000 54600 224000 173600 173,044 336 515,013 

3/30/2009 10:00 419 78000 41200 52800 220000 172000 171,450 341 502,785 

3/3012009 9:00 481 81000 40300 49400 220000 170700 170,154 352 483,391 

3130/2009 8:00 497 79000 38700 47900 213000 165600 165.070 352 468,949 

3/30/2009 7:00 560 79000 40600 51000 217000 170600 170,054 344 494.343 

3/30/2009 6:00 497 81000 39500 50000 216000 170500 169,954 345 492,621 

3/30/2009 16:00 325 79000 44300 52800 214000 176100 175,536 324 541,779 

3/30/2009 15:00 278 79000 43100 53000 218000 175100 174,540 342 510,350 

3/30/2009 14:00 278 79000 42800 53600 217000 175400 174,839 311 562,182 

3/30/2009 13:00 310 75000 42600 54000 215000 171600 171,051 314 544,748 

3/30/2009 12:00 341 77000 43300 55800 222000 176100 175,536 345 508,801 

3/30/2009 11 :00 388 77000 42000 54600 224000 173600 173,044 336 515,013 

3/30/2009 10:00 419 78000 41200 52800 220000 172000 171,450 341 502,785 

3/3012009 9:00 481 81000 40300 49400 220000 170700 170,154 352 483,391 

3130/2009 8:00 497 79000 38700 47900 213000 165600 165.070 352 468,949 

3/30/2009 7:00 560 79000 40600 51000 217000 170600 170,054 344 494.343 

3/30/2009 6:00 497 81000 39500 50000 216000 170500 169,954 345 492,621 
GreenFeed - GP2 Fines Coming Back - GFR-5 Pi 

timestamp msec Ai 04CV07CNVYR_SCALE_LSTHR_ VALO Ai06CV05CNVYR_SCALE_LSTHR_VALO Aii OCV02CNVYR_SCALE_LSTHR_ VALO 

4/3/2009 9:00 777 523 121.3383378 333 

4/3/2009 8:00 761 510 140.8898285 337 

4/3/2009 7:00 793 522 157.2568043 316 

4/3/2009 6:00 730 510 143.8898368 333 

4/3/2009 5:00 761 514 153.494326 304 

4/3/2009 4:00 793 513 203.7573958 308 

4/3/2009 3:00 590 522 176.7980257 327 

4/3/2009 2:00 621 526 163.5913891 333 

4/3/2009 1 :00 693 529 149.1881654 342 

4/3/2009 0:00 740 524 149.4036291 352 

4/2/2009 23:00 787 533 137.6579313 342 

4/2/2009 22:00 834 518 145.6001626 339 

4/2/2009 21 :00 865 523 145.3843113 338 

4/2/2009 20:00 896 530 180.3987571 326 

4/2/2009 19:00 928 529 179.2932829 324 

41212009 18:00 990 516 139.5118946 328 

41212009 17:00 6 524 160.5001932 340 

4/2/2009 16 :00 53 530 166.492042 329 

4/2/2009 15:00 84 518 155.659293 333 

4/2/2009 14:00 100 521 156.3882122 335 

4/2/2009 13:00 53 526 158.6001591 330 

4/2/2009 12:00 975 522 179.4222691 306 

4/2/2009 11 :00 912 518 185.9686212 315 

4/2/2009 10:00 912 535 175.8786082 334 

4/2/2009 9:00 818 526 161.0555311 329 

4/2/2009 8:00 881 532 173.4551175 328 

41212009 7:00 912 523 160.8775976 339 

4/2/2009 6:00 959 534 160.1757902 339 

4/2/2009 5:00 990 533 150.1489586 344 

41212009 4:00 37 530 155.587586 346 

4/2/2009 3:00 84 529 154.110103 332 

41212009 2:00 115 510 140.8445626 337 

4/2/2009 1 :00 210 506 135.8711736 341 

41212009 0:00 257 526 141.0105723 333 

4/1/200923:00 288 514 149.5927711 332 

4/1/200922:00 195 520 151.6271272 339 

4/1/200921 :00 241 523 159.0350066 161 

4/1/2009 20:00 288 520 190.9193996 8 

4/1/200919:00 320 537 198.2861567 100 

4/1/2009 18:00 366 532 179.9174214 326 

4/1/2009 17:00 320 540 177.8479794 333 

4/1/2009 16:00 304 529 164.1743903 332 

4/1/200915:00 163 531 161.867485 331 

4/1/200914:00 148 530 162.9887433 347 

4/1/200913:00 179 519 155.8745558 306 

4/1/2009 'j 2:00 2'jO 225 65.41663835 II; 

4/1/2009 11 :00 257 522 145.4377003 348 

4/1/200910:00 304 530 152.0195557 335 

4/1/20099:00 273 528 146.2396233 352 

4/1/20098:00 257 530 142.3516168 365 

4ti/20097:00 288 532 152.6036301 ~oa ,,~, 

4/1/20096:00 320 547 171.9365121 330 

4/1/20095:00 366 528 157.1588351 349 

4/1/20094:00 398 521 140.3775505 334 

4/1/2009 3:00 445 529 141.8786129 351 

4/1/20092:00 476 525 138.6399638 356 

4/1/2009 1 :00 507 522 138.0563515 350 

4/1/20090:00 523 533 141.7937748 345 

3/31/200923:00 476 524 136.557808 341 

3/31/200922:00 476 520 139.6641472 350 

3/31/200921 :00 507 527 145.83229 351 

3/31/200920:00 538 529 151.2606927 333 

3/31/2009 19:00 585 521 153.9729043 324 

3/31/2009 18 :00 632 527 170.5808162 329 

3/31/200917:00 648 538 158.651208 334 

3/31/200916:00 695 522 165.4676053 318 

3/31/2009 15:00 726 529 166.8888674 341 

3/31/2009 14 :00 773 555 111.3823189 352 

3/31/200913:00 695 555 168.4659592 342 

3/31/2009 12:00 648 543 167.6142095 337 

3/31/2009 11 :00 523 554 186.5596413 348 

3/31/200910:00 570 551 183.1374694 138 

GreenFeed - GP2 Fines Coming Back - GFR-5 Pi 

timestamp msec Ai 04CV07CNVYR_SCALE_LSTHR_ VALO Ai06CV05CNVYR_SCALE_LSTHR_VALO Aii OCV02CNVYR_SCALE_LSTHR_ VALO 

4/3/2009 9:00 777 523 121.3383378 333 

4/3/2009 8:00 761 510 140.8898285 337 

4/3/2009 7:00 793 522 157.2568043 316 

4/3/2009 6:00 730 510 143.8898368 333 

4/3/2009 5:00 761 514 153.494326 304 

4/3/2009 4:00 793 513 203.7573958 308 

4/3/2009 3:00 590 522 176.7980257 327 

4/3/2009 2:00 621 526 163.5913891 333 

4/3/2009 1 :00 693 529 149.1881654 342 

4/3/2009 0:00 740 524 149.4036291 352 

4/2/2009 23:00 787 533 137.6579313 342 

4/2/2009 22:00 834 518 145.6001626 339 

4/2/2009 21 :00 865 523 145.3843113 338 

4/2/2009 20:00 896 530 180.3987571 326 

4/2/2009 19:00 928 529 179.2932829 324 

41212009 18:00 990 516 139.5118946 328 

41212009 17:00 6 524 160.5001932 340 

4/2/2009 16 :00 53 530 166.492042 329 

4/2/2009 15:00 84 518 155.659293 333 

4/2/2009 14:00 100 521 156.3882122 335 

4/2/2009 13:00 53 526 158.6001591 330 

4/2/2009 12:00 975 522 179.4222691 306 

4/2/2009 11 :00 912 518 185.9686212 315 

4/2/2009 10:00 912 535 175.8786082 334 

4/2/2009 9:00 818 526 161.0555311 329 

4/2/2009 8:00 881 532 173.4551175 328 

41212009 7:00 912 523 160.8775976 339 

4/2/2009 6:00 959 534 160.1757902 339 

4/2/2009 5:00 990 533 150.1489586 344 

41212009 4:00 37 530 155.587586 346 

4/2/2009 3:00 84 529 154.110103 332 

41212009 2:00 115 510 140.8445626 337 

4/2/2009 1 :00 210 506 135.8711736 341 

41212009 0:00 257 526 141.0105723 333 

4/1/200923:00 288 514 149.5927711 332 

4/1/200922:00 195 520 151.6271272 339 

4/1/200921 :00 241 523 159.0350066 161 

4/1/2009 20:00 288 520 190.9193996 8 

4/1/200919:00 320 537 198.2861567 100 

4/1/2009 18:00 366 532 179.9174214 326 

4/1/2009 17:00 320 540 177.8479794 333 

4/1/2009 16:00 304 529 164.1743903 332 

4/1/200915:00 163 531 161.867485 331 

4/1/200914:00 148 530 162.9887433 347 

4/1/200913:00 179 519 155.8745558 306 

4/1/2009 'j 2:00 2'jO 225 65.41663835 II; 

4/1/2009 11 :00 257 522 145.4377003 348 

4/1/200910:00 304 530 152.0195557 335 

4/1/20099:00 273 528 146.2396233 352 

4/1/20098:00 257 530 142.3516168 365 

4ti/20097:00 288 532 152.6036301 ~oa ,,~, 

4/1/20096:00 320 547 171.9365121 330 

4/1/20095:00 366 528 157.1588351 349 

4/1/20094:00 398 521 140.3775505 334 

4/1/2009 3:00 445 529 141.8786129 351 

4/1/20092:00 476 525 138.6399638 356 

4/1/2009 1 :00 507 522 138.0563515 350 

4/1/20090:00 523 533 141.7937748 345 

3/31/200923:00 476 524 136.557808 341 

3/31/200922:00 476 520 139.6641472 350 

3/31/200921 :00 507 527 145.83229 351 

3/31/200920:00 538 529 151.2606927 333 

3/31/2009 19:00 585 521 153.9729043 324 

3/31/2009 18 :00 632 527 170.5808162 329 

3/31/200917:00 648 538 158.651208 334 

3/31/200916:00 695 522 165.4676053 318 

3/31/2009 15:00 726 529 166.8888674 341 

3/31/2009 14 :00 773 555 111.3823189 352 

3/31/200913:00 695 555 168.4659592 342 

3/31/2009 12:00 648 543 167.6142095 337 

3/31/2009 11 :00 523 554 186.5596413 348 

3/31/200910:00 570 551 183.1374694 138 
3/31/20099:00 601 534 172.1611722 10 

3/31/2009 8 :00 632 516 141.5256971 3 

3/31/20097:00 663 530 161.0130524 3 

3/31/20096:00 710 534 161.7357117 20 

3/31/20095:00 741 530 146.1446946 85 

3/31/20094:00 788 522 155.1544078 37 

3/31/20093:00 210 521 173.6096057 93 

3/31/20092:00 132 519 175.4946158 310 

3/31/2009 1 :00 231 516 184.8142743 316 

3/31/20090:00 200 516 171.614002 321 

3/30/2009 23:00 75 509 166.3862627 299 

3/30/2009 22:00 91 509 171.112068 305 

3/30/2009 21 :00 138 503 156.752098 321 

3/30/2009 20:00 153 502 149.3436671 330 

3/30/2009 19:00 200 506 135.7576885 337 

3/30/2009 18:00 247 504 155.3090451 286 

3/30/2009 17:00 278 508 172.7202363 328 

3/30/2009 16:00 325 508 155.4202945 324 

3/30/2009 15:00 278 505 157.6313471 342 

3/30/2009 14:00 278 546 168.7272553 311 

3/30/2009 13:00 310 531 200.4614973 314 

3/30/2009 12:00 341 526 163.0435035 345 

3/30/2009 11 :00 388 530 142.1296992 336 

3/30/2009 10:00 419 517 145.2780252 341 

3/30/2009 9:00 481 544 163.4916014 352 

3/30/2009 8:00 497 557 176.7944038 352 

3/30/2009 7:00 544 569 194.2364032 344 

3/30/2009 6:00 497 548 162.9309276 345 

3/30/2009 5:00 497 545 161.0834031 345 

3/30/2009 4:00 528 534 165.8916022 334 

3/30/2009 3:00 200 508 145.755575 339 

3/30/2009 2:00 231 527 162.1105078 332 

3130/2009 1 :00 355 509 139.1787574 336 

3/30/2009 0:00 386 509 135.121179 331 

3/31/20099:00 601 534 172.1611722 10 

3/31/2009 8 :00 632 516 141.5256971 3 

3/31/20097:00 663 530 161.0130524 3 

3/31/20096:00 710 534 161.7357117 20 

3/31/20095:00 741 530 146.1446946 85 

3/31/20094:00 788 522 155.1544078 37 

3/31/20093:00 210 521 173.6096057 93 

3/31/20092:00 132 519 175.4946158 310 

3/31/2009 1 :00 231 516 184.8142743 316 

3/31/20090:00 200 516 171.614002 321 

3/30/2009 23:00 75 509 166.3862627 299 

3/30/2009 22:00 91 509 171.112068 305 

3/30/2009 21 :00 138 503 156.752098 321 

3/30/2009 20:00 153 502 149.3436671 330 

3/30/2009 19:00 200 506 135.7576885 337 

3/30/2009 18:00 247 504 155.3090451 286 

3/30/2009 17:00 278 508 172.7202363 328 

3/30/2009 16:00 325 508 155.4202945 324 

3/30/2009 15:00 278 505 157.6313471 342 

3/30/2009 14:00 278 546 168.7272553 311 

3/30/2009 13:00 310 531 200.4614973 314 

3/30/2009 12:00 341 526 163.0435035 345 

3/30/2009 11 :00 388 530 142.1296992 336 

3/30/2009 10:00 419 517 145.2780252 341 

3/30/2009 9:00 481 544 163.4916014 352 

3/30/2009 8:00 497 557 176.7944038 352 

3/30/2009 7:00 544 569 194.2364032 344 

3/30/2009 6:00 497 548 162.9309276 345 

3/30/2009 5:00 497 545 161.0834031 345 

3/30/2009 4:00 528 534 165.8916022 334 

3/30/2009 3:00 200 508 145.755575 339 

3/30/2009 2:00 231 527 162.1105078 332 

3130/2009 1 :00 355 509 139.1787574 336 

3/30/2009 0:00 386 509 135.121179 331 
LTPH 

600-,-----.-------.---.---" ... -.~··,.·-·······-"··-·,,---···-···'-·· .. --'-----·-'~'--.. "------·-C'-'--· .. ·--· .. ------.--.---.--.--.~--.------.-.. --.-.-.--.----~ 

500+------~--·~·~--~~,~~~·--·-----·-----------·--·-··,··'---"-'-'-'-'--"-*~U-~'"---''''~'''--'C--''''''''~---'-----.. ··~-----·---~-··~--·-1 

400 -j-,.------,------.----'-.-.. --.--.--... --:-'-.----------.-.. --·, .... ,--·-,·-·"--.. --,-:--,--·,-,,---:-:-·1,-11---·'-,,·,:-·-,,-"'-·· .. -,--~·-" .. -·--"-,,.:..,,·-.. ----:---------,,-""---·-:.........----I 

J: ___ _ __ .. _ .. _, __ 0.. 300 +--.--- I- ._-_ .. _._---

-' 

200-/ -------~~ 

100 -

o ·1 --.... ·r-·-------,----·---,---'--,.--·---'r------r-----r--;,......---,----~-l 

3/29/2009 3/30/2009 3/30/2009 3/31/2009 3/31/2009 4/1/2009 4/1/2009 4/2/2009 4/2/2009 4/3/2009 4/3/2009 4/4/2009 

12:00 0:00 12:00 0:00 -12:00 0:00 12:00 0:00 12:00 0:00 12:00 0:00 

Date 

-GP2 

GFR-5 

Pi 

LTPH 

500+------.~--~·.--~~,-~~~~---·--·----·---------------··-··--·--·----,--···-*~u~--··----·-~··,--~--··-·-···~---·---·----~--·-~·----~--~-----1 

400-1~---------------·----~---·------··-,----··--------------,-----~---~.-.,.-----r,-" 

J: f= 300 ----------.-.. --.. -... ------. --.-- --.. ---.-.---- -.-.-.-....... -...---.. --.-..... -

-' 

200-1-~------------~~------·--· 

100 - ----.---.--.------.-.---.--..... -.. -.-- -.. ------. --·-·-·-·-·:· .. ·--...... -.. ·-·-··---·,,-·-·----·-·-.. :r:--··.-.-.-. - --.. --.-.----...... -.-.-.-.--.. -.. ---.-... --.-.--.---.... -.--.. -.--..... ----.-.-

o -i----r----r-I ----·-·-r-·------,--------...,--·-r------~---_r__--........,..---....,........--~ 

3/29/2009 3/30/2009 3/30/2009 3/31/2009 3/31/2009 4/1/2009 4/1/2009 4/2/2009 4/2/2009 4/3/2009 4/3/2009 4/4/2009 

12:00 0:00 12:00 0:00 '12:00 0:00 12:00 0:00 12:00 0:00 12:00 0:00 

Date 

-GP2 

GFR-5 

Pi 
A108IM01TEMPBURNTHRU_ A108IM01TEMPPREHEAT A108IM01TEMPPREHEAT _ A108CC1ATEMP _CHMBR_ A108CC1BTEMP _CHMBR_ 

timestamp msec 30MIN_AVG_VALO _ZONE A VALO ZONE_B_VALO VALO VALO 

4/2/200915:50 716.7277167 1829.059829 2157.509158 2345.543346 

41212009 15:49 

4/2/2009 15:48 

4/2/2009 15:47 

41212009 15:46 

41212009 15:45 

41212009 15:44 

4/212009 15:43 

4/212009 15:42 

4/2/2009 15:41 

4/212009 15:40 

41212009 15:39 

4/212009 15:38 

4/2/2009 15:37 

4/212009 15:36 

4/212009 15:35 

4/212009 15:34 

4/212009 15:33 

4/2/200915:32 

4/212009 15:31 

41212009 15:30 

4/212009 15:29 

4/212009 15:28 

41212009 15:27 

41212009 15:26 

4/2/2009 15:25 

4/212009 15:24 

4/2/2009 15:23 

41212009 15:22 

41212009 15:21 

4/21200915:20 

4121200915:19 

4/2/200915:18 

4/212009 15:17 

41212009 15:16 

4/212009 15:15 

4/21200915:14 

4/21200915:13 

4/2/2009 15:12 

4/21200915:11 

4/212009 15:10 

41212009 15:09 

4/2/2009 15:08 

4/2}2009 15:07 

41212009 15:06 

4/2/2009 15:05 

41212009 15:04 

4/212009 15:03 

4!2J20DS 15:02 

4/212009 15:01 

4/2/2009 15:00 

4121200914:59 

4/2/2009 14:58 

4/2J2009 i4:57 

4/2/2009 14:56 

412/2009 14:55 

4/2/2009 '14:54 

4/2/2009 14:53 

4/212009 14:52 

4/212009 14:51 

4/212009 14 :50 

4/2/2009 14:40 

4/2/2009 14:39 

4/2/200914:38 

41212009 14:37 

41212009 14:36 

4/212009 14:35 

4/21200914:34 

4/21200914:33 

4/212009 14:32 

4/2/2009 14:31 

4/2/2009 14:30 

4/2/2009 14:29 

4/2/200914:28 

4/212009 14:27 

4/2/2009 14:26 

4/2/2009 14:25 

4/2/2009 K24 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

716.1172161 

715.5067155 

715.5067155 

714.2857143 

713.6752137 

713.6752137 

712.4542125 

713.0647131 

713.0647131 

713.0647131 

712.4542125 

712.4542125 

711.2332112 

710.01221 

710.01221 

708.1807082 

706.3492063 

706.3492063 

704.5177045 

702.6862027 

702.6862027 

702.0757021 

702.0757021 

702.0757021 

700.8547009 

700.2442002 

700.2442002 

700.2442002 

699.6336996 

699.6336996 

699.023199 

699.023199 

699.023199 

699.6336996 

700.8547009 

700.8547009 

702.6862027 

702.6862027 

702.6862027 

702.6862027 

701.4652015 

701.4652015 

699.6336996 

698.~ 126984 

698.4126984 

697.1916972 

695.970696 

G85.570(;96 

695.360195~ 

695.3601954 

695.3601954 

695.3601954 

695.3601954 

695.3601954 

694.7496947 

694.7496947 

694.7496947 

694.7496947 

695.3601954 

695.3601954 

686.2026862 

683.7606838 

683.7606838 

683.1501832 

683.1501832 

683.1501832 

683.7606838 

684.3711844 

684.3711844 

684.3711844 

683.1501832 

683.1501832 

682.5396825 

683.1501832 

683.1501832 

683.1501832 

683.1501832 

1827.228327 2166.666667 2338.827839 

1827.228327 2109.89011 2291.819292 

1824.786325 2131.868132 2390.10989 

1818.070818 2129.426129 2297.924298 

1816.849817 2122.710623 2322.344322 

1810.744811 

1804.029304 

1805.860806 

1811.355311 

1812.576313 

1816.239316 

1822.954823 

1830.28083 

1841.269841 

1846.153846 

1851.037851 

1852.869353 

1848.595849 

1843.101343 

1843.711844 

1845.543346 

1846.764347 

1844.322344 

1846.764347 

1841.269841 

1836.996337 

1829.67033 

1827.838828 

1827.228327 

1830.28083 

1833.333333 

1835.775336 

1832.722833 

1831.501832 

1827.228327 

1824.175824 

1827.838828 

1830.891331 

1833.333333 

1830.891331 

1830.28083 

1832.722833 

1823.565324 

1824.786325 

1821.123321 

1816.239316 

1621.733822 

IB23.565324 

~ 824.175824 

1827.228327 

1824.786325 

1822.344322 

1818.070818 

1813.186813 

1811.355311 

'i815.018315 

1814.407814 

1814.40781'; 

1806.471306 

1805.250305 

1824.786325 

1827.228327 

1827.228327 

1828.449328 

1830.28083 

1836.996337 

1836.385836 

1838.827839 

1829.67033 

1826.617827 

1819.90232 

1814.407814 

1807.692308 

1804.639805 

1797.924298 

1799.145299 

1798.534799 

2117.826618 

2126.373626 

2120.26862 

2119.65812 

2124.542125 

2121.489621 

2118.437118 

2135.531136 

2156.898657 

2156.898657 

2137.973138 

2121.489621 

2143.467643 

2154.456654 

2148.351648 

2172.771673 

2147.130647 

2166.666667 

2136.141636 

2147.130647 

2129.426129 

2144.078144 

2129.426129 

2113.553114 

2130.647131 

2128.205128 

2118.437118 

2144.688645 

2116.605617 

2143.467643 

2145.299145 

2148.351648 

2138.583639 

2166.056166 

21~2.246642 

2116.605617 

2116.605617 

2119.65812 

2101.953602 

2122.100122 

2143.467643 

2115.384615 

2123.S3162~ 

2136.141636 

2133.089133 

2137.973138 

2131.868132 

2141.636142 

2148.351648 

2123.931624 

2141.025641 

2133.699634 

2128.205128 

2125.763126 

2111.721612 

2105.616606 

2132.4 78632 

2128.205128 

2112.942613 

2139.194139 

2137.362637 

2132.478632 

2139.194139 

2154.456654 

2103.785104 

2117.216117 

2131.868132 

2128.815629 

2115.995116 

2148.351648 

2155.067155 

2128.205128 

2305.860806 

2312.576313 

2273.504274 

2241.758242 

2311.355311 

2252.136752 

2287.545788 

2294.871795 

2275.335775 

2229.54823 

2293.040293 

2282.661783 

2326.617827 

2331.501832 

2354.700855 

2393.772894 

2316.849817 

2332.722833 

2250.915751 

2313.797314 

230<;,029304 

2310.744811 

2313.186813 

2224.053724 

2316.849817 

2299.7558 

2301.587302 

2265.567766 

2291.208791 

2337.606838 

2323.565324 

2336.996337 

2330.28083 

2361.416361 

2351.648352 

2290.598291 

2315.628816 

2305.860806 

2316.239316 

2324.786325 

2364.468864 

2291.819292 

2313.7S731~ 

2300.976801 

2327.838828 

2310.744811 

2326.617827 

2338.827839 

2393.162393 

2379.73138 

2342.490542 

2288.156288 

2319.90232 

2288.766789 

2326.617827 

2302.808303 

2308.302808 

2232.600733 

2266.178266 

2300.3663 

2333.943834 

2296.703297 

2318.681319 

2344.322344 

2314.407814 

2278.998779 

2307.081807 

2333.943834 

2349.81685 

2329.67033 

2319.90232 

2326.007326 

2349.206349 

2349.206349 

2337.606838 

2348.595849 

2336.996337 

2338.217338 

2324.175824 

2334.554335 

2307.081807 

2328.4~9328 

2342.490842 

2342.490842 

2340.04884 

2341.880342 

2340.659341 

2322.344322 

2338.217338 

2338.217338 

2340.659341 

2339.438339 

2353.479853 

2354.700855 

2349.81685 

2348.595849 

2336.995337 

2314.407814 

2333.943834 

2323.565324 

2330.28083 

2328.449328 

2328.449328 

2332.722833 

2327.228327 

2309.52381 

2335.775336 

2370.573871 

2338.827839 

2344.932845 

2339.438339 

2346.764347 

2368.742369 

2345.543346 

2345.043346 

2348.595849 

2348.595849 

2349.206349 

2354.700855 

2344.322344 

23~";.S32b45 

.2346.764347 

2366.910867 

2330.28083 

2368.131868 

2357.142857 

2363.858364 

2376.678877 

2374.235874 

2344.932845 

2338.827839 

2331.501832 

2335.775336 

2349.81685 

2352.869353 

2338.827839 

2337.606838 

2317.460317 

2344.322344 

2338.827839 

2351.648352 

2349.81685 

2337.606838 

2313.186813 

2310.744811 

2353.4 79853 

2354.700855 

2336.385836 

2335.164835 

2353.4 79853 

A108IM01TEMPBURNTHRU_ A108IM01TEMPPREHEAT A108IM01TEMPPREHEAT _ A108CC1ATEMP _CHMBR_ A108CC1BTEMP _CHMBR_ 

timestamp msec 30MIN_AVG_VALO _ZONE A VALO ZONE_B_VALO VALO VALO 

4/2/200915:50 716.7277167 1829.059829 2157.509158 2345.543346 

41212009 15:49 

4/2/2009 15:48 

4/2/2009 15:47 

41212009 15:46 

41212009 15:45 

41212009 15:44 

4/212009 15:43 

4/212009 15:42 

4/2/2009 15:41 

4/212009 15:40 

41212009 15:39 

4/212009 15:38 

4/2/2009 15:37 

4/212009 15:36 

4/212009 15:35 

4/212009 15:34 

4/212009 15:33 

4/2/200915:32 

4/212009 15:31 

41212009 15:30 

4/212009 15:29 

4/212009 15:28 

41212009 15:27 

41212009 15:26 

4/2/2009 15:25 

4/212009 15:24 

4/2/2009 15:23 

41212009 15:22 

41212009 15:21 

4/21200915:20 

4121200915:19 

4/2/200915:18 

4/212009 15:17 

41212009 15:16 

4/212009 15:15 

4/21200915:14 

4/21200915:13 

4/2/2009 15:12 

4/21200915:11 

4/212009 15:10 

41212009 15:09 

4/2/2009 15:08 

4/2}2009 15:07 

41212009 15:06 

4/2/2009 15:05 

41212009 15:04 

4/212009 15:03 

4!2J20DS 15:02 

4/212009 15:01 

4/2/2009 15:00 

4121200914:59 

4/2/2009 14:58 

4/2J2009 i4:57 

4/2/2009 14:56 

412/2009 14:55 

4/2/2009 '14:54 

4/2/2009 14:53 

4/212009 14:52 

4/212009 14:51 

4/212009 14 :50 

4/2/2009 14:40 

4/2/2009 14:39 

4/2/200914:38 

41212009 14:37 

41212009 14:36 

4/212009 14:35 

4/21200914:34 

4/21200914:33 

4/212009 14:32 

4/2/2009 14:31 

4/2/2009 14:30 

4/2/2009 14:29 

4/2/200914:28 

4/212009 14:27 

4/2/2009 14:26 

4/2/2009 14:25 

4/2/2009 K24 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

716.1172161 

715.5067155 

715.5067155 

714.2857143 

713.6752137 

713.6752137 

712.4542125 

713.0647131 

713.0647131 

713.0647131 

712.4542125 

712.4542125 

711.2332112 

710.01221 

710.01221 

708.1807082 

706.3492063 

706.3492063 

704.5177045 

702.6862027 

702.6862027 

702.0757021 

702.0757021 

702.0757021 

700.8547009 

700.2442002 

700.2442002 

700.2442002 

699.6336996 

699.6336996 

699.023199 

699.023199 

699.023199 

699.6336996 

700.8547009 

700.8547009 

702.6862027 

702.6862027 

702.6862027 

702.6862027 

701.4652015 

701.4652015 

699.6336996 

698.~ 126984 

698.4126984 

697.1916972 

695.970696 

G85.570(;96 

695.360195~ 

695.3601954 

695.3601954 

695.3601954 

695.3601954 

695.3601954 

694.7496947 

694.7496947 

694.7496947 

694.7496947 

695.3601954 

695.3601954 

686.2026862 

683.7606838 

683.7606838 

683.1501832 

683.1501832 

683.1501832 

683.7606838 

684.3711844 

684.3711844 

684.3711844 

683.1501832 

683.1501832 

682.5396825 

683.1501832 

683.1501832 

683.1501832 

683.1501832 

1827.228327 2166.666667 2338.827839 

1827.228327 2109.89011 2291.819292 

1824.786325 2131.868132 2390.10989 

1818.070818 2129.426129 2297.924298 

1816.849817 2122.710623 2322.344322 

1810.744811 

1804.029304 

1805.860806 

1811.355311 

1812.576313 

1816.239316 

1822.954823 

1830.28083 

1841.269841 

1846.153846 

1851.037851 

1852.869353 

1848.595849 

1843.101343 

1843.711844 

1845.543346 

1846.764347 

1844.322344 

1846.764347 

1841.269841 

1836.996337 

1829.67033 

1827.838828 

1827.228327 

1830.28083 

1833.333333 

1835.775336 

1832.722833 

1831.501832 

1827.228327 

1824.175824 

1827.838828 

1830.891331 

1833.333333 

1830.891331 

1830.28083 

1832.722833 

1823.565324 

1824.786325 

1821.123321 

1816.239316 

1621.733822 

IB23.565324 

~ 824.175824 

1827.228327 

1824.786325 

1822.344322 

1818.070818 

1813.186813 

1811.355311 

'i815.018315 

1814.407814 

1814.40781'; 

1806.471306 

1805.250305 

1824.786325 

1827.228327 

1827.228327 

1828.449328 

1830.28083 

1836.996337 

1836.385836 

1838.827839 

1829.67033 

1826.617827 

1819.90232 

1814.407814 

1807.692308 

1804.639805 

1797.924298 

1799.145299 

1798.534799 

2117.826618 

2126.373626 

2120.26862 

2119.65812 

2124.542125 

2121.489621 

2118.437118 

2135.531136 

2156.898657 

2156.898657 

2137.973138 

2121.489621 

2143.467643 

2154.456654 

2148.351648 

2172.771673 

2147.130647 

2166.666667 

2136.141636 

2147.130647 

2129.426129 

2144.078144 

2129.426129 

2113.553114 

2130.647131 

2128.205128 

2118.437118 

2144.688645 

2116.605617 

2143.467643 

2145.299145 

2148.351648 

2138.583639 

2166.056166 

21~2.246642 

2116.605617 

2116.605617 

2119.65812 

2101.953602 

2122.100122 

2143.467643 

2115.384615 

2123.S3162~ 

2136.141636 

2133.089133 

2137.973138 

2131.868132 

2141.636142 

2148.351648 

2123.931624 

2141.025641 

2133.699634 

2128.205128 

2125.763126 

2111.721612 

2105.616606 

2132.4 78632 

2128.205128 

2112.942613 

2139.194139 

2137.362637 

2132.478632 

2139.194139 

2154.456654 

2103.785104 

2117.216117 

2131.868132 

2128.815629 

2115.995116 

2148.351648 

2155.067155 

2128.205128 

2305.860806 

2312.576313 

2273.504274 

2241.758242 

2311.355311 

2252.136752 

2287.545788 

2294.871795 

2275.335775 

2229.54823 

2293.040293 

2282.661783 

2326.617827 

2331.501832 

2354.700855 

2393.772894 

2316.849817 

2332.722833 

2250.915751 

2313.797314 

230<;,029304 

2310.744811 

2313.186813 

2224.053724 

2316.849817 

2299.7558 

2301.587302 

2265.567766 

2291.208791 

2337.606838 

2323.565324 

2336.996337 

2330.28083 

2361.416361 

2351.648352 

2290.598291 

2315.628816 

2305.860806 

2316.239316 

2324.786325 

2364.468864 

2291.819292 

2313.7S731~ 

2300.976801 

2327.838828 

2310.744811 

2326.617827 

2338.827839 

2393.162393 

2379.73138 

2342.490542 

2288.156288 

2319.90232 

2288.766789 

2326.617827 

2302.808303 

2308.302808 

2232.600733 

2266.178266 

2300.3663 

2333.943834 

2296.703297 

2318.681319 

2344.322344 

2314.407814 

2278.998779 

2307.081807 

2333.943834 

2349.81685 

2329.67033 

2319.90232 

2326.007326 

2349.206349 

2349.206349 

2337.606838 

2348.595849 

2336.996337 

2338.217338 

2324.175824 

2334.554335 

2307.081807 

2328.4~9328 

2342.490842 

2342.490842 

2340.04884 

2341.880342 

2340.659341 

2322.344322 

2338.217338 

2338.217338 

2340.659341 

2339.438339 

2353.479853 

2354.700855 

2349.81685 

2348.595849 

2336.995337 

2314.407814 

2333.943834 

2323.565324 

2330.28083 

2328.449328 

2328.449328 

2332.722833 

2327.228327 

2309.52381 

2335.775336 

2370.573871 

2338.827839 

2344.932845 

2339.438339 

2346.764347 

2368.742369 

2345.543346 

2345.043346 

2348.595849 

2348.595849 

2349.206349 

2354.700855 

2344.322344 

23~";.S32b45 

.2346.764347 

2366.910867 

2330.28083 

2368.131868 

2357.142857 

2363.858364 

2376.678877 

2374.235874 

2344.932845 

2338.827839 

2331.501832 

2335.775336 

2349.81685 

2352.869353 

2338.827839 

2337.606838 

2317.460317 

2344.322344 

2338.827839 

2351.648352 

2349.81685 

2337.606838 

2313.186813 

2310.744811 

2353.4 79853 

2354.700855 

2336.385836 

2335.164835 

2353.4 79853 
4/212009 14:23 

4/2/2009 14:22 

4/2/200914:21 

4/2/2009 14:20 

4/2/200914:19 

4/21200914:18 

4/2/200914:17 

4/2/200914:16 

4/21200914:15 

4/2/200914:14 

4/2/200914:13 

4/21200914:12 

4/2/200914:11 

4/2/200914:10 

4/212009 14:09 

4/21200914:08 

4/2/200914:07 

4/2/2009 14:06 

4/2/200914:05 

4/21200914:04 

4/21208914:03 

4/21200914:02 

4/2/200914:01 

4/21200914:00 

41212009 13:59 

41212009 13:58 

41212009 13:57 

4/212009 13:56 

41212009 13:55 

41212009 13:54 

41212009 13:53 

41212009 13:52 

4/21200913:51 

4/2/2009 13:50 

4/212009 13:49 

41212009 13:48 

412120G9 13:47 

412/2009 13:46 

4121200913:45 

41212009 13:44 

41212009 13:43 

41212009 13:42 

4/21200913:41 

4121200913:40 

4/2/2009 13:30 

4/212009 13:29 

412/2009 13:28 

412/2009 13:27 

41212009 13:26 

41212009 13:25 

4/212009 13:24 

4/212009 13:23 

4J2!20G9 13:22 

412/200913:21 

412/2009 13:20 

41212009 13:19 

4121200913:18 

412/2009 13:17 

4/212009 13:16 

412/200913:15 

412/2009 13:14 

4/2/200913:13 

4/2/2009 13:12 

4/2/200913:11 

4/2/200913:10 

4/2/2009 13:09 

4/212009 13:08 

4/212009 13:07 

4/2/200913:06 

41212009 13:05 

4/212009 13:04 

41212009 13:03 

412/2009 13:02 

412/200913:01 

4/21200913:00 

412/200912:59 

41212009 12:58 

412/200912:57 

4/212009 12:56 

4/2/2009 12:55 

412:2009 12:54 

4/212009 12:53 

4/212009 12:52 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

683.1501832 

683.7606838 

683.7606838 

683.7606838 

683.1501832 

681.9291819 

681.9291819 

681.3186813 

680.7081807 

680.7081807 

680.0976801 

680.7081807 

680.7081807 

681.9291819 

681.9291819 

681.9291819 

681.9291819 

680.7081807 

680.7081807 

680.0976801 

679.4871795 

679.4871795 

679.4871795 

680.0976801 

680.0976801 

681.3186813 

681.9291819 

681.9291819 

683.7606838 

683.7606838 

686.2026862 

686.8131868 

686.2026862 

686.2026862 

685.5921856 

685.5921856 

684.981685 

684.3711844 

684.3711844 

683.1501832 

681.9291819 

681.9291819 

680.7081807 

679.4871795 

672.1611722 

670.9401709 

668.4981685 

668.4981685 

666.6666667 

664.2246642 

664.2246642 

661.7826618 

659.3406593 

659.3406593 

658.1196581 

656.8986569 

656.8986569 

656.8986569 

657.5091575 

657.5091575 

657.5091575 

659.3406593 

659.3406593 

659.3406593 

658.7301587 

658.7301587 

657.5091575 

657.5091575 

657.5091575 

657.5091575 

656.8986569 

656.8986569 

655.6776557 

655.0671551 

655.0671551 

654.4566545 

653.2356532 

653.2356532 

652.014652 

650.7936508 

650.7936508 

649.5726496 

648.962149 

1800.3663 

1806.471306 

1811.355311 

1816.849817 

1822.344322 

1825.396825 

1827.228327 

1830.28083 

1830.28083 

1833.333333 

1836.385836 

1840.659341 

1841.880342 

1843.101343 

1837.606838 

1830.891331 

1826.617827 

1824.786325 

1824.175824 

1818.070818 

1813.186813 

1807.692308 

1800.976801 

1798.534799 

1803.418803 

1807.081807 

1813.186813 

1820.512821 

1826.007326 

1829.059829 

1830.891331 

1834.554335 

1828.449328 

1833.943834 

1834.554335 

1835.164835 

1827.228327 

1821.733822 

1818.070818 

1810.744811 

1806.471306 

1800.976801 

1801.587302 

1793.650794 

1849.206349 

1854.700855 

1853.479853 

1847.985348 

1834.554335 

1827.228327 

1818.070818 

1814.407814 

1808.302808 

1807.692308 

1810.744811 

1807.692308 

1811.965812 

1816.849817 

1823.555324 

1823.565324 

1826.007326 

1822.344322 

1829.059829 

1824.175824 

1827.228327 

1824.175824 

1822.344322 

1820.512821 

1819.90232 

1820.512821 

1819.291819 

1815.628816 

1817 .460317 

1814.407814 

1814.407814 

1815.018315 

1813.797314 

1812.576313 

1809.52381 

1814.407814 

1815.628816 

1814.407814 

1819.90232 

2112.942613 

2126.984127 

2132.478632 

2135.531136 

2124.542125 

2139.194139 

2134.310134 

2145.299145 

2137.973138 

2127.594628 

2126.373626 

2114.163614 

2121.489621 

2143.467643 

2123.321123 

2119.65812 

2128.815629 

2115.384615 

2146.520147 

2124.542125 

2134.310134 

2119.65812 

2122.710623 

2123.931624 

2138.583639 

2127.594628 

2115.384615 

2135.531136 

2115.384615 

2119.047619 

2124.542125 

2144.688645 

2134.310134 

2131.257631 

2139.80464 

2150.793651 

2141.6361<;2 

2103.174603 

2145.299145 

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2107.448107 

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2118.437118 

2151.404151 

2159.95116 

2145.299145 

2161.782662 

2149.57265 

2129.426129 

2132.478632 

2149.57265 

2128.205128 

2126.373626 

2125.763126 

2116.605617 

2132.478632 

2135.531136 

2120.26852 

2128.205128 

2116.605617 

2137.973138 

2138.583639 

2136.752137 

2155.067155 

2132.478632 

2122.710623 

2107.448107 

2103.785104 

2125.152625 

2141.025641 

2151.404151 

2137.973138 

2109.89011 

2156.288156 

2137.362637 

2134.310134 

2125.763126 

2139.80464 

2087.912088 

2127.594628 

2156.288156 

2119.65812 

2322.344322 

2236.263736 

2236.874237 

2240.537241 

2380.34188 

2295.482295 

2368.742369 

2332.722833 

2282.661783 

2333.333333 

2245.421245 

2313.186813 

2258.241758 

2351.648352 

2319.291819 

2298.534799 

2307.081807 

2291.208791 

2319.90232 

2302.808303 

2308.913309 

2297.313797 

2280.830281 

2227.716728 

2307.081807 

2290.598291 

2262.515263 

2277.167277 

2297.313797 

2304.029304 

2304.029304 

2343.711844 

2374.236874 

2347.374847 

2303.418803 

2330.28083 

2299.7558 

2304.029304 

2412.087912 

2311.965812 

2321.733822 

2393.772894 

2327.838828 

2373.626374 

2345.5~3346 

2316.239316 

2324.175824 

2366.300366 

2361.416361 

2348.595849 

2329.059829 

2360.805861 

2307.692308 

2341.269841 

2335.775336 

2302.197802 

2369.352869 

2315.018315 

2302.808303 

2369.352869 

2291.819292 

2306.4 71306 

2329.67033 

2233.821734 

2332.722833 

2344.322344 

2257.631258 

2302.197802 

2307.081807 

2294.261294 

2390.10989 

2376.068376 

2322.344322 

2321.123321 

2343.1013<;3 

2308.302808 

2321.733822 

2318.681319 

2325.396825 

2307.692308 

2297.924298 

2322.344322 

2294.261294 

2349.81685 

2322.954823 

2312.576313 

2321.733822 

2369.96337 

2344.322344 

2371.184371 

2353.479853 

2344.932845 

2354.090354 

2346.764347 

2345.543346 

2351.648352 

2352.869353 

2355.921856 

2344.932845 

2340.04884 

2334.554335 

2335.775336 

2324.175824 

2306.471306 

2326.007326 

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2324.175824 

2307.081807 

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233';.554335 

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2353.479853 

2352.258852 

2325.396825 

2345.543346 

2327.838828 

2349.81685 

2357.142857 

2351.648352 

2344.932845 

2368.131868 

2353.4 79853 

2362.026862 

2378.510379 

2335.775336 

2366.300366 

2361.416361 

2362.637363 

2366.910867 

2354.700e55 

2350.19536 

2321.733822 

2335.827839 

2344.322344 

2340.659341 

2345.5~3346 

2336.996337 

2359,58486 

2345.543346 

2338.827839 

2318.661319 

2335.775336 

2333.943834 

2342.490842 

2340,659341 

2330.28083 

2340.659341 

2338.827839 

2339.438339 

2361.416361 

2344.932845 

2321.733822 

2332.722833 

2342.490842 

2340.659341 

2333.333333 

2326.617827 

2329.059829 

2334.554335 

2332.112332 

2334.554335 

2332.722833 

4/212009 14:23 

4/2/2009 14:22 

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4/212009 14:09 

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4/2/200914:05 

4/21200914:04 

4/21208914:03 

4/21200914:02 

4/2/200914:01 

4/21200914:00 

41212009 13:59 

41212009 13:58 

41212009 13:57 

4/212009 13:56 

41212009 13:55 

41212009 13:54 

41212009 13:53 

41212009 13:52 

4/21200913:51 

4/2/2009 13:50 

4/212009 13:49 

41212009 13:48 

412120G9 13:47 

412/2009 13:46 

4121200913:45 

41212009 13:44 

41212009 13:43 

41212009 13:42 

4/21200913:41 

4121200913:40 

4/2/2009 13:30 

4/212009 13:29 

412/2009 13:28 

412/2009 13:27 

41212009 13:26 

41212009 13:25 

4/212009 13:24 

4/212009 13:23 

4J2!20G9 13:22 

412/200913:21 

412/2009 13:20 

41212009 13:19 

4121200913:18 

412/2009 13:17 

4/212009 13:16 

412/200913:15 

412/2009 13:14 

4/2/200913:13 

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4/2/200913:11 

4/2/200913:10 

4/2/2009 13:09 

4/212009 13:08 

4/212009 13:07 

4/2/200913:06 

41212009 13:05 

4/212009 13:04 

41212009 13:03 

412/2009 13:02 

412/200913:01 

4/21200913:00 

412/200912:59 

41212009 12:58 

412/200912:57 

4/212009 12:56 

4/2/2009 12:55 

412:2009 12:54 

4/212009 12:53 

4/212009 12:52 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

683.1501832 

683.7606838 

683.7606838 

683.7606838 

683.1501832 

681.9291819 

681.9291819 

681.3186813 

680.7081807 

680.7081807 

680.0976801 

680.7081807 

680.7081807 

681.9291819 

681.9291819 

681.9291819 

681.9291819 

680.7081807 

680.7081807 

680.0976801 

679.4871795 

679.4871795 

679.4871795 

680.0976801 

680.0976801 

681.3186813 

681.9291819 

681.9291819 

683.7606838 

683.7606838 

686.2026862 

686.8131868 

686.2026862 

686.2026862 

685.5921856 

685.5921856 

684.981685 

684.3711844 

684.3711844 

683.1501832 

681.9291819 

681.9291819 

680.7081807 

679.4871795 

672.1611722 

670.9401709 

668.4981685 

668.4981685 

666.6666667 

664.2246642 

664.2246642 

661.7826618 

659.3406593 

659.3406593 

658.1196581 

656.8986569 

656.8986569 

656.8986569 

657.5091575 

657.5091575 

657.5091575 

659.3406593 

659.3406593 

659.3406593 

658.7301587 

658.7301587 

657.5091575 

657.5091575 

657.5091575 

657.5091575 

656.8986569 

656.8986569 

655.6776557 

655.0671551 

655.0671551 

654.4566545 

653.2356532 

653.2356532 

652.014652 

650.7936508 

650.7936508 

649.5726496 

648.962149 

1800.3663 

1806.471306 

1811.355311 

1816.849817 

1822.344322 

1825.396825 

1827.228327 

1830.28083 

1830.28083 

1833.333333 

1836.385836 

1840.659341 

1841.880342 

1843.101343 

1837.606838 

1830.891331 

1826.617827 

1824.786325 

1824.175824 

1818.070818 

1813.186813 

1807.692308 

1800.976801 

1798.534799 

1803.418803 

1807.081807 

1813.186813 

1820.512821 

1826.007326 

1829.059829 

1830.891331 

1834.554335 

1828.449328 

1833.943834 

1834.554335 

1835.164835 

1827.228327 

1821.733822 

1818.070818 

1810.744811 

1806.471306 

1800.976801 

1801.587302 

1793.650794 

1849.206349 

1854.700855 

1853.479853 

1847.985348 

1834.554335 

1827.228327 

1818.070818 

1814.407814 

1808.302808 

1807.692308 

1810.744811 

1807.692308 

1811.965812 

1816.849817 

1823.555324 

1823.565324 

1826.007326 

1822.344322 

1829.059829 

1824.175824 

1827.228327 

1824.175824 

1822.344322 

1820.512821 

1819.90232 

1820.512821 

1819.291819 

1815.628816 

1817 .460317 

1814.407814 

1814.407814 

1815.018315 

1813.797314 

1812.576313 

1809.52381 

1814.407814 

1815.628816 

1814.407814 

1819.90232 

2112.942613 

2126.984127 

2132.478632 

2135.531136 

2124.542125 

2139.194139 

2134.310134 

2145.299145 

2137.973138 

2127.594628 

2126.373626 

2114.163614 

2121.489621 

2143.467643 

2123.321123 

2119.65812 

2128.815629 

2115.384615 

2146.520147 

2124.542125 

2134.310134 

2119.65812 

2122.710623 

2123.931624 

2138.583639 

2127.594628 

2115.384615 

2135.531136 

2115.384615 

2119.047619 

2124.542125 

2144.688645 

2134.310134 

2131.257631 

2139.80464 

2150.793651 

2141.6361<;2 

2103.174603 

2145.299145 

2134.310134 

2107.448107 

2111.111111 

2147.741148 

2118.437118 

2151.404151 

2159.95116 

2145.299145 

2161.782662 

2149.57265 

2129.426129 

2132.478632 

2149.57265 

2128.205128 

2126.373626 

2125.763126 

2116.605617 

2132.478632 

2135.531136 

2120.26852 

2128.205128 

2116.605617 

2137.973138 

2138.583639 

2136.752137 

2155.067155 

2132.478632 

2122.710623 

2107.448107 

2103.785104 

2125.152625 

2141.025641 

2151.404151 

2137.973138 

2109.89011 

2156.288156 

2137.362637 

2134.310134 

2125.763126 

2139.80464 

2087.912088 

2127.594628 

2156.288156 

2119.65812 

2322.344322 

2236.263736 

2236.874237 

2240.537241 

2380.34188 

2295.482295 

2368.742369 

2332.722833 

2282.661783 

2333.333333 

2245.421245 

2313.186813 

2258.241758 

2351.648352 

2319.291819 

2298.534799 

2307.081807 

2291.208791 

2319.90232 

2302.808303 

2308.913309 

2297.313797 

2280.830281 

2227.716728 

2307.081807 

2290.598291 

2262.515263 

2277.167277 

2297.313797 

2304.029304 

2304.029304 

2343.711844 

2374.236874 

2347.374847 

2303.418803 

2330.28083 

2299.7558 

2304.029304 

2412.087912 

2311.965812 

2321.733822 

2393.772894 

2327.838828 

2373.626374 

2345.5~3346 

2316.239316 

2324.175824 

2366.300366 

2361.416361 

2348.595849 

2329.059829 

2360.805861 

2307.692308 

2341.269841 

2335.775336 

2302.197802 

2369.352869 

2315.018315 

2302.808303 

2369.352869 

2291.819292 

2306.4 71306 

2329.67033 

2233.821734 

2332.722833 

2344.322344 

2257.631258 

2302.197802 

2307.081807 

2294.261294 

2390.10989 

2376.068376 

2322.344322 

2321.123321 

2343.1013<;3 

2308.302808 

2321.733822 

2318.681319 

2325.396825 

2307.692308 

2297.924298 

2322.344322 

2294.261294 

2349.81685 

2322.954823 

2312.576313 

2321.733822 

2369.96337 

2344.322344 

2371.184371 

2353.479853 

2344.932845 

2354.090354 

2346.764347 

2345.543346 

2351.648352 

2352.869353 

2355.921856 

2344.932845 

2340.04884 

2334.554335 

2335.775336 

2324.175824 

2306.471306 

2326.007326 

2301.587302 

2314.407814 

2322.344322 

2343.101343 

2324.175824 

2307.081807 

2335.775336 

233';.554335 

2342.490542 

2371.184371 

2353.479853 

2352.258852 

2325.396825 

2345.543346 

2327.838828 

2349.81685 

2357.142857 

2351.648352 

2344.932845 

2368.131868 

2353.4 79853 

2362.026862 

2378.510379 

2335.775336 

2366.300366 

2361.416361 

2362.637363 

2366.910867 

2354.700e55 

2350.19536 

2321.733822 

2335.827839 

2344.322344 

2340.659341 

2345.5~3346 

2336.996337 

2359,58486 

2345.543346 

2338.827839 

2318.661319 

2335.775336 

2333.943834 

2342.490842 

2340,659341 

2330.28083 

2340.659341 

2338.827839 

2339.438339 

2361.416361 

2344.932845 

2321.733822 

2332.722833 

2342.490842 

2340.659341 

2333.333333 

2326.617827 

2329.059829 

2334.554335 

2332.112332 

2334.554335 

2332.722833 
4121200912:51 

41212009 12:50 

41212009 12:49 

41212009 12:48 

41212009 12:47 

41212009 12:46 

41212009 12:45 

41212009 12:44 

41212009 12:43 

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41212009 12:41 

41212009 12:40 

41212009 12:39 

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41212009 12:37 

41212009 12:36 

41212009 12:35 

41212009 12:34 

41212009 12:33 

41212009 12:32 

4/212009 12:31 

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4/212009 11 :35 

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41212009 11 :33 

41212009 11 :32 

41212009 11:31 

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41212009 11 :29 

4/212009 11 :28 

412/2009 11 :27 

4/212009 11 :26 

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41212009 11 :24 

4/212009 11 :23 

41212009 11 :22 

41212009 11 :21 

4/212009 11 :20 

4/212009 11 :19 

4/212009 11:1 8 

41212009 11 :17 

41212009 ',1 :16 

4/2/2009 11: 15 

41212009 11: 14 

4/21200911:13 

4/2/2009 11 :12 

41212009 11 :11 

4/21200911 :10 

4/212009 11 :09 

412/2009 11 :08 

41212009 11 :07 

412/2009 '11 :06 

4/212009 1'1 :05 

4/212009 11 :04 

41212009 11 :03 

4J2J20ag 11 :02 

4/212009 11 :01 

41212009 11 :00 

41212009 10:59 

412/2009 10:58 

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4/21200910:56 

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4/212009 10:54 

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4/212009 10:51 

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41212009 10:49 

4121200910:48 

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412/2009 10:46 

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41212009 10:44 

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41212009 10:40 

4/212009 10:39 

4/212009 10:38 

4121200910:37 

4/2/200910:36 

4121200910:35 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

6 

648.962149 

650.1831502 

651.4041514 

651.4041514 

653.8461538 

658.1196581 

658.1196581 

663.003663 

667.2771673 

667.2771673 

672.1611722 

676.4346764 

676.4346764 

681.3186813 

685.5921856 

685.5921856 

689.2551893 

692.3076923 

692.3076923 

695.3601954 

697.8021978 

697.8021978 

750.3052503 

749.0842491 

749.0842491 

748.4737485 

749.0842491 

749.0842491 

750.3052503 

749.6947497 

749.6947497 

749.0842491 

747.8632479 

747.8632479 

745.4212454 

742.979243 

742.979243 

739.9267399 

737.4847375 

737.4847375 

736.2637363 

734.4322344 

734.4322344 

732.6007326 

731.3797314 

731.379731':; 

730.1587302 

729.5482295 

729.5482295 

728.9377289 

727.7167277 

727.7167277 

727.7167277 

727.1062271 

727.1062271 

725.8852259 

72~.6642247 

724.6642247 

721.6117216 

721.6117216 

719.7802198 

718.5592186 

718.5592186 

717.9487179 

717.9487179 

717.9487179 

717.9487179 

717.9487179 

717.9487179 

717.3382173 

716.1172161 

716.1172161 

714.2857143 

712.4542125 

712.4542125 

711.8437118 

710.6227106 

710.6227106 

709.4017094 

709.4017094 

709.4017094 

709.4017094 

709.4017094 

1829.059829 

1838.217338 

1844.322344 

1846.764347 

1849.206349 

1846.153846 

1843.101343 

1837.606838 

1836.385836 

1832.112332 

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1838.827839 

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1846.153846 

1847.374847 

1852.869353 

1858.974359 

1861.416361 

1863.858364 

1862.026862 

1864.468864 

1858.974359 

1855.311355 

1855.921856 

1855.921856 

1854.090354 

1849.206349 

1847.374847 

1846.153846 

1852.258852 

1854.700855 

1857.753358 

1854.090354 

1858.974359 

1858.974359 

1855.921856 

1853.479853 

1850.42735 

1849.206349 

1846.153846 

1843.711844 

1835.775336 

1833.333333 

1835.164835 

1833.333333 

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2304.029304 

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2328.449328 

2317.460317 

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2314.407614 

2372.405372 

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663.003663 

667.2771673 

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672.1611722 

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681.3186813 

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689.2551893 

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745.4212454 

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718.5592186 

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6 

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6 

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701.4652015 

699.023199 

697.8021978 

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698.4126984 

699.023199 

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694.1391941 

694.1391941 

691.6971917 

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685.5921855 

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680.7081807 

679.4871795 

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2164.224664 

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2289.377289 

2324.786325 

2332.722833 

2340.04884 

2353.479853 

2311.355311 

2250.30525 

2319.90232 

2398.656899 

2348.595849 

2319.291819 

2313.797314 

2296.703297 

2315.018315 

2299.7558 

2236.874237 

2310.744811 

2310.74461"1 

2340.6593':; 1 

2304.029304 

2345.543346 

2332.112332 

2304.029304 

2335.775336 

2331.501832 

2257.631258 

2250.915751 

2403.540904 

2316.849817 

2326.007326 

2394.993895 

2249.69475 

2338.827839 

2334.554335 

2254.578755 

2393.162393 

2332.722833 

2327.228327 

2369.96337 

2255.189255 

2240.537241 

2308.302808 

2299.145299 

2327.838828 

2380.34188 

2346.153846 

2319.90232 

2318.681319 

2348.595849 

2345.543346 

2332.722833 

2345.543346 

2332.112332 

2330.28083 

2318.681319 

2333.333333 

2347.985348 

2369.96337 

2343.711844 

2344.322344 

2384.004884 

2361.416361 

2376.068376 

2350.42735 

2353.479853 

2335.775336 

2333.943834 

2351.037851 

2347.374847 

2334.554335 

2343.711844 

2307.081807 

2326.617827 

2318.070818 

2318.681319 

2316.849817 

2327.838828 

2319.291819 

2305.250305 

2333.943834 

2336.385836 

2316.239316 

2342.490842 

2343.7118~4 

2322.344322 

23.:14.932845 

2358.363858 

2380.34188 

2326.617827 

2351.648352 

2381.562882 

2363.858364 

2385.225885 

2357.142857 

2346.764347 

2374.847375 

2354.090354 

2349.206349 

2346.153846 

2354.090354 

2326.007326 

2373.015673 

2343.101343 

2351.648352 

2358.363858 

2330.891331 

2336.996337 

2338.827839 

2322.954823 

2341.269841 

2352.869353 

2348.595849 

2362.637363 

2355.311355 

2349.206349 

2346.153846 

2358.974359 

2345.543346 

2359.58486 

2368.131868 

2343.711844 

2341.880342 

2318.070818 

2341.269841 

2329.67033 

2340.659341 

2347.3748~7 

2342.490842 

2341.880342 

2335.775336 

2347.985348 

~1212009 8:39 

41212009 8:38 

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6 

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668.4981685 

671.5506716 

671.5506716 

672.7716728 

673.992674 

673.992674 

675.2136752 

677.6556777 

677.6556777 

680.7081807 

683.1501832 

683.1501832 

684.981685 

687.4236874 

687.4236874 

688.6446886 

688.6446886 

688.6446886 

688.034188 

686.8131868 

686.8131868 

686.8131868 

686.8131868 

686.8131868 

687.4236874 

687.4236874 

687.4236874 

688.6446886 

689.8656899 

689.8656899 

691.6971917 

691.6971917 

694.1391941 

697.8021978 

697.8021978 

701.4652015 

703.9072039 

703.9072039 

706.3492063 

708.1807082 

666.6666667 

666.6666667 

665.4456654 

663.6141636 

663.6141636 

661.7826618 

660.5616606 

660.5616606 

658.7301587 

659.3406593 

659.3406593 

659.3406593 

659.3406593 

659.3406593 

659.3406593 

658.7301587 

658.7301587 

658.7301587 

657.5091575 

657.5091575 

656.2881563 

655.6776557 

655.6776557 

655.0671551 

654.4566545 

654.4566545 

655.0671551 

655.0671551 

655.0671551 

656.2881563 

658.1196581 

658.1196581 

659.95116 

662.3931624 

662.3931624 

664.8351648 

667.8876679 

667.8876679 

671.5506716 

674.6031746 

674.6031746 

676.4346764 

677.045177 

1856.532357 

1860.805861 

1859.58486 

1858.974359 

1857.753358 

1858.974359 

1863.247863 

1866.910867 

1874.847375 

1877.899878 

1878.510379 

1880.34188 

1877.899878 

1877.289377 

1874.236874 

1871.184371 

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1874.847375 

1874.847375 

1871.794872 

1865.079365 

1862.026862 

1856.532357 

1854.090354 

1854.700855 

1852.258852 

1852.258852 

1853.479853 

1849.81685 

1847.985348 

1846.76434 7 

1849.81685 

1856.532357 

1868.742369 

1880.952381 

1893.162393 

1898.046398 

1902.930403 

1907.203907 

1823.565324 

1828.449328 

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1826.617827 

1824.175824 

1822.954823 

1823.565324 

1816.849817 

1815.018315 

1813.186813 

1814.40781 " 

1808.913309 

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1800.976801 

1802.197802 

1791.819292 

1782.661783 

1775.335775 

1775.946276 

1772.893773 

1778.388278 

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1780.21978 

1778.998779 

1791.819292 

1791.819292 

1798.534799 

1798.534799 

1799.7558 

1804.029304 

1799.145299 

1807.081807 

1799.7558 

1813.186813 

1817.460317 

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1825.396825 

1824.786325 

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1824.786325 

1823.565324 

1824.175824 

1821.733822 

2169.71917 

2183.150183 

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2169.108669 

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2167.277167 

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2130.647131 

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21760434676 

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2211.233211 

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2147.130647 

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2125.152625 

2106.227106 

2112.942613 

2130.03663 

2~116.605617 

2119.047619 

2111.111111 

2139.80464 

2120.879121 

2089.133089 

2123.321123 

2141.636142 

2101.953602 

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2086.080586 

2098.901099 

2131.257631 

2122.710623 

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2119.65812 

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2135.531136 

2136.752137 

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2109.89011 

2100.732601 

2144.688645 

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2134.920635 

2151.404151 

2170.32967 

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2136.141636 

2334.554335 

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2241.758242 

2316.239316 

2236.874237 

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2354.090354 

2302.808303 

2346.764347 

2318.070818 

2307.081807 

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2318.070818 

2265.567766 

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2296.703297 

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2291.819292 

2297.924298 

2330.28083 

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2324.786325 

2332.722833 

2340.04884 

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2319.291819 

2313.797314 

2296.703297 

2315.018315 

2299.7558 

2236.874237 

2310.744811 

2310.74461"1 

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2304.029304 

2345.543346 

2332.112332 

2304.029304 

2335.775336 

2331.501832 

2257.631258 

2250.915751 

2403.540904 

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2326.007326 

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2249.69475 

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2332.112332 

2330.28083 

2318.681319 

2333.333333 

2347.985348 

2369.96337 

2343.711844 

2344.322344 

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2307.081807 

2326.617827 

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2327.838828 

2319.291819 

2305.250305 

2333.943834 

2336.385836 

2316.239316 

2342.490842 

2343.7118~4 

2322.344322 

23.:14.932845 

2358.363858 

2380.34188 

2326.617827 

2351.648352 

2381.562882 

2363.858364 

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2357.142857 

2346.764347 

2374.847375 

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2359.58486 

2368.131868 

2343.711844 

2341.880342 

2318.070818 

2341.269841 

2329.67033 

2340.659341 

2347.3748~7 

2342.490842 

2341.880342 

2335.775336 

2347.985348 
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-iJli200S "j5:56 

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677.045177 

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678.8766789 

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680.0976801 

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680.0976801 

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678.8766789 

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677.6556777 

677.045177 

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686.2026862 

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684.3711844 

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682.5396825 

681.3186813 

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680.0976801 

680.0976801 

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680.7081807 

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683.1501832 

683.7606838 

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682.5396825 

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677.6556777 

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672.7716728 

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670.9401709 

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671.5506716 

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673.3821734 

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668.4981685 

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2320.512821 

2343.711844 

2349.206349 

2338.827839 

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2349.206349 

2339.438339 

2341.880342 

2354.700855 

2346.764347 

2346.153846 

2320.512821 

2343.711844 

2322.954823 

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2335.164835 

233o.3858~6 

23~2.490S~2 

2358.974359 

2347.985348 

2334.554335 

2351.648352 

2345.543346 

2345.595849 

2347.374847 

2340.659341 

2354.090354 

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2342.490842 

2318.070818 

2332.112332 

2358.363858 

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2333.943834 

2340.04884 

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2357.142857 

2355.311355 

2362.026862 

2321.733822 

2340.659341 

2321.123321 

2341.269841 

2344.932845 

2332.722833 

4/1/2009 15:07 

4/1/200915:06 

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4/1/2009 15:04 

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4/11200914:24 

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4/1 /2009 14 :2t: 

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4/1/200913:42 

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4/1/2009 13:40 

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4/112009 13:35 

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4/1/2009 13:33 

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4/1/2009 13:30 

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4/1/2009 13:28 

4/1/2009 13:27 

4/1/2009 13:26 

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4/1/200913:24 

4/1/2009 13:23 

4/1/2009 13:22 

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7 

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670.9401709 

672.1611722 

672.1611722 

673.3821734 

675.2136752 

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677.045177 

679.4871795 

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681.3186813 

683.1501832 

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682.5396825 

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683.1501832 

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684.3711844 

685.5921856 

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688.034188 

691.0866911 

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693.5286935 

695.970696 

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697.8021978 

698,4126984 

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699.023199 

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697.1916972 

696.5811966 

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687.~236S74 

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686.2026862 

086.6131868 

686.8131868 

888.034188 

688.6446886 

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705.1282051 

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710.01221 

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1836.385836 

1829.67033 

1826.007326 

1823.565324 

1817.460317 

1824.175824 

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1826.007326 

1827.838828 

1830.28083 

1833.943834 

1841.269841 

1841.880342 

1846.153846 

1839.438339 

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1836.996337 

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1827.228327 

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1825.396825 

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233o.3858~6 

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4/1/2009 13:20 

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411/200913:17 

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4/1/200913:15 

4/1/200913:14 

4/1/200913:13 

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4/1/200913:09 

4/1/2009 13:08 

4/1/2009 13:07 

4/112009 13:06 

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4/1/2009 13:00 

4/1/2009 12:59 

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3:31l2009 12:44 

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31311200910:50 

3/31/200910:49 

3/31/2009 10:48 

31311200910:47 

3/311200910:46 

3/31i20Q8 'j 0:";5 

3!31i20D9 "10:44 

3'31/200910:43 

3/31/200910:42 

3/311200910:41 

3131/200910:40 

3/31/200910:39 

3'311200910:38 31

31/200910:37 

3/31/2009 10:36 3131/2009 10:35 

31311200910:34 3l 311200910:33 

3/31/200910:32 

3/311200910:31 

3!31/200910:30 

3/31/200910:29 

3131/200910:28 

3'311200910:27 

3131/200910:26 

3131/200910:25 

313112009 10:24 

3131/200910:23 

3!3112009 10:22 

31311200910:21 

3/31/200910:20 

3131/200910:19 

3131/200910:18 

3/31/200910:17 

3/311200910:16 

31311200910:15 

7 

7 

7 

7 

7 

7 

7 

7 

7 

7 

7 

7 

7 

7 

23 

7 

7 

7 

7 

7 

7 

637.3626374 

637.3626374 

637.973138 

638.5836386 

638.5836386 

639.1941392 

639.8046398 

639.8046398 

639.8046398 

641.025641 

641.025641 

641.025641 

642.2466422 

642.2466422 

659.3406593 

659.3406593 

658.7301587 

658.1196581 

658.1196581 

659.3406593 

660.5616606 

660.5616606 

663.6141636 

667.2771673 

667.2771673 

670.3296703 

672.1611722 

672.1511722 

672.7716728 

673.3821734 

673.3821734 

67~.6031746 

677.0<;5177 

677.045177 

660.7081807 

683.7606838 

683.7606838 

686.2026862 

688.034188 

688.034188 

688.6446886 

688.6446886 

688.6446886 

690.4761905 

693.5286935 

693.5286935 

697.8021978 

704.5177045 

704.5177045 

710.6227106 

716.1172161 

716.1172161 

719.7802192 

722.2222222 

722.2222222 

724.0537241 

724.6642247 

724.66~2247 

727.1062271 

730.1587302 

730.1557302 

733.8217338 

736.2637363 

736.2637363 

736.8742369 

736.2637363 

736.2637363 

734.4322344 

730.7692308 

730.7692308 

725.8852259 

719.1697192 

719.1697192 

711.8437118 

706.3492063 

1851.037851 

1851.037851 

1847.985348 

1847.985348 

1848.595849 

1842.490842 

1846.76434 7 

1841.880342 

1836.996337 

1830.891331 

1830.28083 

1829.67033 

1828.449328 

1826.617827 

1805.860806 

1813.797314 

1818.681319 

1818.681319 

1822.954823 

1827.228327 

1826.617827 

1832.112332 

1835.775336 

1832.722833 

1828.449328 

1824.786325 

1822.344322 

1818.681319 

1814.407814 

1815.628816 

1823.565324 

1823.565324 

1826.007326 

1827.228327 

1827.838828 

1829.67033 

1827.22&327 

1827.228327 

1829.059829 

1822.344322 

1822.954823 

1821.733822 

1822.344322 

1824.786325 

1824.756325 

1822.344322 

1823.555324 

1821.733822 

1816.849817 

1818.681319 

1816.239316 

1818.070818 

1317.450317 

1815.849817 

1818.070818 

1813.186813 

1811.355311 

1803.418803 

1788.766789 

1783.882784 

1780.21978 

1785.714286 

1794.871795 

1799.7558 

1801.587302 

1800.976801 

1801.587302 

1798.534799 

1793.650794 

1783.272283 

1770.45177 

1757.020757 

1744.810745 

1735.042735 

1733.821734 

2167.277167 

2128.205128 

2135.531136 

2152.625153 

2158.730159 

2144.078144 

2149.57265 

2148.351648 

2142.246642 

2112.942613 

2122.710623 

2129.426129 

2103.785104 

2136.752137 

2143.467643 

2136.141636 

2169.108669 

2132.478632 

2132.478632 

2133.69963':; 

2119.047619 

2136.141636 

2168.498168 

2130.647131 

2134.310134 

2149.57265 

2113.553114 

2135.531136 

2143.467643 

2130.03663 

2133.089133 

2144.078144 

2132.478632 

2147.130647 

2139.194139 

2121.489621 

2121.489621 

2095.238095 

2132.478632 

2116.605617 

2134.920635 

2119.047619 

2165.445665 

2141.636142 

2095.238095 

2137.362637 

2145.299145 

2142.e57143 

2135.531136 

2092.185592 

2133.699634 

2122.710623 

2137.973133 

2127.594628 

2147.130647 

2141.636142 

2111.111111 

2125.763126 

2109.279609 

2072.039072 

2132.478632 

2095.238095 

2131.257631 

2137.973138 

2086.691087 

2114.163614 

2123.931624 

2090.964591 

2101.953602 

2101.343101 

2056.166056 

2048.840049 

1992.673993 

1952.380952 

1954.212454 

2332.112332 

2304.029304 

2320.512821 

2321.123321 

2360.19536 

2386.446886 

2304.639805 

2320.512821 

2255.799756 

2260.683761 

2297.924298 

2304.639805 

2293.040293 

2280.830281 

2371.184371 

2249.084249 

2306.471306 

2293.040293 

2312.576313 

2302.808303 

2239.92674 

2294.871795 

2315.018315 

2326.617827 

2305.860806 

2381.562882 

2297.924298 

2236.263736 

2323.565324 

2364.466864 

2376.066376 

2336.996337 

2302.808303 

2297.924298 

2278.998779 

2321.733822 

2308.302808 

2235.042735 

2307.081807 

2295.482295 

2290.598291 

2237.464737 

2320.512821 

2379.120879 

2277. 'i67277 

2288.156288 

2374.236874 

2327.838828 

2291.208791 

2225.885226 

2310.744811 

2230.769231 

23S4.0J438

L; 

2347.985348 

2383.394383 

2368.278388 

2268.620269 

2305.250305 

2272.283272 

2294.871795 

2374.235874 

2233.211233 

2326.007326 

2340.659341 

2296.092796 

2379.120879 

2340.04884 

2263.125763 

2329.67033 

2349.206349 

2250.915751 

2342.490842 

2329.67033 

2327.838828 

2332.722833 

2340.04884 

2329.67033 

2359.58486 

2336.996337 

2338.217338 

2346.764347 

2329.059829 

2332.722833 

2309.52381 

2327.838828 

2326.617827 

2313.797314 

2327.838828 

2306.471306 

2352.258852 

2303.418803 

2332.722833 

2327.228327 

2321.733822 

2332.722833 

2322.954823 

2327.228327 

2338.827839 

2314.407814 

2332.722833 

2338.827839 

2326.617827 

2313.797314 

2330.28083 

235';.700855 

2333.943834 

2351.037851 

2312.576313 

2326.617827 

2329.059829 

2332.722833 

2345.543346 

2331.501832 

2344.322344 

2330.891331 

2335.164835 

2332.112332 

2343.711844 

2340.659341 

2336.996337 

2314.407814 

2340.04884 

2335.164835 

2309.52381 

2327.228327 

2333.943834 

2323.555324 

2340.04884 

2363.247863 

2344.322344 

2346.153846 

2336.996337 

2317.460317 

2326.617827 

2324.786325 

2332.722D33 

2329.67033 

2345.043346 

2351.037851 

2350.42735 

2385.836386 

2360.19536 

2360.805861 

2343.711844 

2360.19536 

2349.206349 

2343.101343 

2347.374847 

2354.700855 

2366.300366 
Pn3!i1eat alllidl Chamber Temps 

3000 'r-------'----'---, ........ '' .. '''' .. ··,·'' .... · .... · ... · .. , .. '''·'''· "' ...... , ..... , ......... ,"' .... "' .................. -, .... --"'---"' ......... ---... --..... --,-..... ,-.. -"'--'-....,------

2750 ,1---.. --'·''''..,--'''---,--'-..... ''' .. -... ,,''',-.. ,..-,''',..''','''''', .. '''''':'-.. ''' .. ,-''' ............ , ...... "' .. , ..... -'-, .... -.... -.. "' .... "' .. "'''',.... ............. -''' .. ''' .. ''''''--'''-.. '''--.. ''' .... '''''''-"'''' .... ''', .. -.. -.. -... '''-''''' ........... ''''''-.. -,--......... ''' .. '''-''''''' .. ''''''--'''''',-.. ,1 

2500 .. I-"'-"'--c--""""-... --"'--..................... ---"--c"' ...... "'''' .. ,''' .. '''''' .... -''''-'''''-...... --''''''''' .. ''' .... ''' .... ''' .. _'''''-''' .......... ,''''''' ...... '''''''''''' .. '''''' .. , ...... -'''' .. ,-.""-,-,; .... "' .. "'--..... "' ........ -"' .... "'" .. ,"'''''''''' .. ,''' ......... , ...... '''''', ... '''-............ - ........ ,"'--.. 1 

2250 .. ,,"' ...... -"' .... , .... "' ..... -, ... -.. ,--, .... , ....... "., ... , .. - "-.. -' .... "' ............................. , ...... "' .. "' ............ "'-."" ..... ,-- .... ,"' ..... '" --'" ."' ............. ,-'" '" , .. ,", ........ , ..... -- .............................. "", ..... , ............. "' .. "'--"'''''' ........ ,-.. -'''''' .... --Preheat Zone A 

0.. --Preheat Zone B E 

Chamber A <Il 

I2000 ' Chamber B 

1750 .. 1--C ~~.--~- .--.-~-.-..... -,--~---------

15001-. ----"'-"'-------.. --.. -----"'-'-"'----.. ,--.. "'''''-.. -,-, .. --'', .. ,-'''''''-"' .. , ....... -....... -.. ,-... "" .. ,--"'.-,-..,,;, .. --"'-....:--.... "',-...... --...... ,--.. ,---'''''''-''''''''--c------. - .. I 

1250 ' -r--'---' .. ·~'-.,--...,_-·-·--·--··-"--.,--·------.... r__----.. ----,-

4/1/2009 4/2/2009 4/2/2009 4/2/2009 4/2/2009 4/2/2009 4/3/2009 4/3/2009 4/3/2009 4/3/2009 

19:12 0:00 4:48 9:36 '14:24 19:12 0:00 4:48 9:36 14:24 

Date 

0.. 

E 

<Il 

IPn3!i1eat alllidl Chamber Temps 

2250 ---...... --......... -..... -. , ..-... --, ..... ,_ ... ,',' .".- " ......... -....... -",,,,,,,,,,,,,,,,,,, .. , ............................. -.............. -..... - .. - ........................... , ..................... "-'" .................................................. -................ --.-.. -........ .. 

1750 ___ c 

1250 .. '-------~-------T--.............. ·-..... , .. ---.. -....... -,-~ ... - ..... -----r----.. --.. ·-,--·--~-r~----~-------I 

4/1/2009 4/2/2009 4/2/2009 4/2/2009 4/2/2009 4/2/2009 4/3/2009 4/3/2009 4/3/2009 4/3/2009 

19:12 0:00 4:48 9:36 '14:24 19:12 0:00 4:48 9:36 14:24 

Date 

- Preheat Zone A 

- Preheat Zone B 

Chamber A 

Chamber B 
STACK jJ~ '" ~narch 2009 Stack lest 

A108DC01FLOW_VVATER A108DC01SCRBR_STARTUP_C 

timestamp I 5MNAVG V~LO _~.~_5M~_AVG=VALO__ MPL_VALO 

3/31/0910:00 AM 4.205128205 1130.989011 

3/31/0910:15 AM 4.21978022 '1130. '10989 1 

3/31/0910:30 AM 4.142857143 1130.549451 1 

3/31/09 10:45 AM 4.135531136 1130.989011 1 

3/31/0911 :00 AM 4.139'194139 1130.989011 1 

3/31/09 11 : 15 AM 4.135531136 1130. '10989. 1 

3/31/09 12:00 PM 4.098901099 '1130.989011 1 

3/31/0912:15 PM 4.1172'16117 '1131.868132 1 

3/31/0912:30 PM 4.106227106 '1131.868132 1 

3/31/09 12:45 PM 4.091575092 '1132.307692 1 

3/31/091 :00 PM 4.04029304 '1134.505495 1 

3/31/09 1 :15 PM 4,043956044 '1138.021978, 1 

4/1/09 12:45 PM 4.172161'172 1132.307692 1 

4/1/09 1 :00 PIVi 4.2521"47253 1135.824176. 

4/1/091:15 PM 4.201465201 1138.901099 1 

4/1/09 1 :30 PM 4.194139'194 '1143.736264 1 

4/1/09 1 :45 PM 4.205128205 '1145.934066 1 

STACK jJ~ '" ~narch 2009 Stack lest 

A 1 08DC01 DIFF PRES1 A 1 08DC01 FLOWV'-V ,,-\ T=E--R-r-A1 0-8'""'D""""C-0-1 S""'"C"""R-"'Bo-R"---S=TA-'-R--T--U-P-"""'C ,- -;- - '-

timestamp SMN AVG VALO 15MN AVG VALO MPL VALO 

----:3:-;:/3:-:'1-:-:/0:-::-9-:-1"';:-0::-::-00::-7'"A~M.L-----=-'--:4--::.20S f 2-820S--------113-0. 9890 11 -

3/31/0910:15 AM 

3/31/0910:30 AM 

3/31/09 10:45 AM 

3/31/0911 :00 AM 

3/31/09 11 : 15 AM 

3/31/09 12:00 PM 

3/31/0912:15 PM 

3/31/0912:30 PM 

3/31/09 12:45 PM 

3/31/091 :00 PM 

3/31/09 1 :15 PM 

4/1/09 12:45 PM 

4/1/09 1 :00 PIVI 

4/1/091:15 PM 

4/1/09 1 :30 PM 

4/1/09 1 :45 PM 

4.21978022 

4.142857143 

4.135531136 

4.139'194139 

4.135531136 

4.098901099 

4.1172'16117 

4.106227106 

4.091575092 

4.04029304 

4,043956044 

4.172161'172 

4.252'747253 

4.201465201 

4.194139'194 

4.205128205 

'1130. '10989 

1130.549451 

1130.989011 

1130.989011 

1130. '10989. 

'1130.989011 

'1131.868132 

'1131.868132 

'1132.307692 

'1134.505495 

'1138.021978. 

1132.307692 

1135.824176. 

1138.901099 

'1143.736264 

'1145.934066 

1 

1 

1 

1 

1 

1. 

1 

1 

1 

1 

1 

1 

1 

1 

1 
STACK B m March 2009 Stcu:l{ Test r------:----r-. A:-:1:-:::0~8D::::-C::::0::-::2:-:::D:-:-::IF=::F:--.:....=PRES I Ai 08DC02';::-;F::7"L-::::07':W-:-_-;-;;W"';"";A:-::::T:-:::E-=R"":"l1 r-::A-:-1 0::::-:8::-;::D:-:::C:-:::-0:::-:2S~C:::-;:R:::-;:B:-;::R:-_-:;::CST:;::-A;;-;R::"I 

timestamp I 15MN AVG VALO 5MN AVG V~\LO TUP CMPL VALO 

4/1/092:00 PM 3.827838828 164[.912088 1 

4/1/092:15 PM 3.725274725 1644.835165 1 

4/1/092:30 PM 3.827838828 1647'.472527 1 

4/1/092:45 PM 3.868'131868 1646.593407 1 

4/1/09 3:00 PM 3.934065934 1644.395604 1 

4/1/093:15 PM 3.94139'1941 1641:;.274725 1 

4/1/09 3:30 PM 3.956043956 1648,791209 1, 

4/1/093:45 PM 3.937"128938 1647.472527 1 

4/1/09 4:00 PM 3.915'150916 1645.274725 1, 

4/1/094:15 PM 3.981684982 1645.714286 1 

4/1/09 4:30 PM 3.937728938 1645.'114286 1 

4/1/09 4:45 PM 4.003663004 1646.1 53846 1 

4/1/095:00 PM 3.952380952 1646.593407 1 

4/1/095:15 PM 4.010989011 1645.714286 1 

4/1/095:30 PM 4.0622'11062 1647,032967 1 

4/1/095:45 PM 4.062271062 1648.351648 1 

STACK B m March 2009 Stcu:l{ Test 

..---------,-A":'""1'"""0..".8=-OC=0=2=OC':":IF=F=-.:....-=-=PRES I Ai 08DC02=F:::'"L-::'O-:-:::W"'-_7":W-:-:A=T=E=R"""1 I""'":"A-:'"10:::"":8=O=C=0:::"":2S::-:C=R=B=R:-"_=ST=-A::-:R::-J 

timestamp 15MN AVG VALO 5MN AVG V~\LO TUP CMPL VALO 

4/1/092:00 PM 3.827838828 164[.912088 1 

4/1/092:15 PM 3.725274725 1644.835165 1 

4/1/092:30 PM 3.827838828 1647'.472527 1 

4/1/092:45 PM 3.868'131868 1646.593407 1 

4/1/09 3:00 PM 3.934065934 1644.395604 1 

4/1/093:15 PM 3.94139'1941 1641:;.274725 1 

4/1/09 3:30 PM 3.956043956 1648,791209 i· 

4/1/093:45 PM 3.937"128938 1647.472527 1: 

4/1/09 4:00 PM 3.915'150916 1645.274725 1: 

4/1/094:15 PM 3.981684982 1645.714286 1 

4/1/09 4:30 PM 3.937728938 1645.'114286 1 

4/1/09 4:45 PM 4.003663004 1646.1 53846 1 

4/1/095:00 PM 3.952380952 1646.593407 1 

4/1/095:15 PM 4.010989011 1645.714286 1 

4/1/095:30 PM 4.0622'11062 1647,032967 1 

4/1/095:45 PM 4.062271062 1648.351648 1 
STACK C = 20019 Stac:~{ Test 

timestamp 

A 1 08DC03DIFF_PRElJ A 1 08DC03FLQW _WATER A 1 OSDC03SCRBR_STA 

5MN AVG VALO .15MN AVG VALO. RTUP CMPL VALO - ...=.-,-- ------==----==..-..~-,-- -- 4/2/09 8:00 AM 4.710622711 1230.769231 1 

4/2/098:15 AM 4.736263736 1236.923077 1 

4/2/09 8:30 AM 4.743589744 1243.516484 1 

4/2/09 8:45 AM 4.765567766 1246.593407 1 

4/2109 9:00 AM 4.703296703 1243.956044 1 

4/2/09 9: 15 AM 4.7509157!)1 1240.43956 

4/2/09 9:30 AM 4.743589744 1235.604396 1 

4/2/09 9:45 AM 4.7838827134 1231.648352 1 

4/2/09 10:00 AM 4.769230769 1232.527473 1 

4/2/0910:15 AM 4.75457137!'i5 1231.648352 1 

4/2/09 10:30 AM 4.8095238'1 1232.087912 1 

4/2/09 10:45 AM 4.791208791 '1232.967033 1 

4/2/09 11 :00 AM 4.83150'1832 1232.527473 1 

4/2/09 11 :'15 AM 4.838[327839 1231.208791 1 

4/2/0911 :30 AM 4.805[360806 '1232.527473' 1 

4/2/09 11:45 AM 4.84981685 '1234.725275 1 

STACK C = IMarch 20019 Stac:~{ Test 

I

A 1 08DC03DIFF_PRES1 A 1 08DC03FLQW _WATER A 1 OSDC03SCRBR_STA 

timestamp· .5MN AVG VALO __ .1§~~!CAVG_V/~_0_ RTUP _CMPL_VALO 

4/2/098:00AM 4.710622711 1230.769231 1 

4/2/098:15 AM 4.736263736 1236.923077 1 

4/2/098:30 AM 4.743589744 1243.516484 1 

4/2/098:45 AM 4.765567766 1246.593407 1 

4/2109 9:00 AM 4.703296703 1243.956044 1 

4/2/09 9: 15 AM 4.7509157!)1 1240.43956 

4/2/09 9:30 AM 4.743589744 1235.604396 1 

4/2/09 9:45 AM 4.7838827134 1231.648352 1 

4/2/09 10:00 AM 4.769230769 1232.527473 1 

4/2/0910:15 AM 4.75457137!'i5 1231.648352 1 

4/2/09 10:30 AM 4.8095238'1 1232.087912 1 

4/2/09 10:45 AM 4.791208791 '1232.967033 1 

4/2/09 11 :00 AM 4.83150'1832 1232.527473 1 

4/2/09 11 :'15 AM 4.838[327839 1231.208791 1 

4/2/0911 :30 AM 4.805[360806 '1232.527473' 1 

4/2/09 11:45 AM 4.84981685 '1234.725275 1 
STAC~{ D = 2009 Stac~{ Test 

Ai 08DC04DIFF _PRESi t A 108DC04FLOW .. ::.W P.,.TERA 1 08DC04SCRBR_START 

timestamp I 5MN AVG VALO _._1_5_I'I!!N-=AVG_yAl(~ UP _CMPL_VALO 

4/2/09 12:30 PM 6.172161172 1186.373626 

4/2/09 12:45 PM 

4/2/091 :00 PM 

4/2/091 :15 PM 

4/2/09 1 :30 PM 

4/2/09 1:45 PM 

4/2/09 2:00 PM 

4/2/092:15 PM 

4/2/09 2:30 PM 

4/2/09 2:45 PM 

4/2/09 3:00 PM 

4/2/093:15 PM 

4/2/09 3:30 PM 

4/2/093:45 PM 

4/2/094:00 PM 

6.139194139 

6.216117216 

6.20879"209 

6.227106227 

6.227106227 

6.205128205 

6.20"46520" 

6.234432234 

6.263736264 

6.241758242 

6.23076923" 

6.234432234 

6.252747253 

6.263736264 

1185.494505 

1186.373626 

1185.494505 

1185.054945 

1185.494505 

1185.494505 

1186.813187' 

1186.813187 

1184.615385 

1185.934066 

1186.373626 

1185.934066 

1186.373626 

1186.373626 

1 

1 

1 

1 

1 

1 

1 

1 

1 

1 

1 

1 

STAC~{ D = ~#llarch 2009 Stac~{ Test 

A 1 080C040lFF _PRES1 A 1 080C04FLOW-,-WATE....,.R-.-A-1-08""""O,....,C-0-4S-C"""""R--B--R-_-S=TA-...,R:--T-.· 

I--_.;..,.,-~~~~,.L_~ timestamp 5MN __ AVG VALO 15MN AVG VALO UP CMPL VALO =-_~-==---.,-. ___ . __ . __ .. _-= __ """___ --

4/2/09 12:30 PM 6.172161172 1186.373626 

4/2/09 12:45 PM 

4/2/091 :00 PM 

4/2/091 :15 PM 

4/2/09 1 :30 PM 

4/2/09 1:45 PM 

4/2/09 2:00 PM 

4/2/092:15 PM 

4/2/09 2:30 PM 

4/2/09 2:45 PM 

4/2/09 3:00 PM 

4/2/093:15 PM 

4/2/09 3:30 PM 

4/2/093:45 PM 

4/2/094:00 PM 

6.139194139 

6.216117216 

6.20879'1209 

6.227106227 

6,227106227 

6.205128205 

6.20'146520'1 

6.234432234 

6.263736264 

6.241758242 

6.23076923'1 

6.234432234 

6.252747253 

6.263736264 

1185.494505 

1186.373626 

1185.494505 

1185.054945 

1185.494505 

1185.494505 

1186,813187' 

1186.813187 

1184.615385 

1185.934066 

1186.373626 

1185.934066 

1186.373626 

1186.373626 

1 

1 

1 

1 

1 

1 

1 

1 

1 

1 

1 

1 
AppendixG 

Project Participants and Contact Information 

AppendixG 

Project Participants and Contact Information 
Project Participants and Contact Information 

ArcelorMittal Minorca Mine, Inc. 

Jaime Baggenstoss - Environmental Engineer 

Jon Maki - Process Engineer 

Barr Engineering Company 

Tom Kuchinski - Stack Testing Supervisor 

Dan Koschak - Senior Stack Test Technician 

Tom Leier - Stack Test Technician 

Richard Berg - Senior Air Quality Technician/Project Manager 

CONTACT INFORMATION 

ArcelorMittal Minorca Mine 

Jaime Baggenstoss 

Environmental Engineer 

ArcelorMittal Minorca Mine, Inc. 

P.O. Box 1 

5950 Old Hwy 53 

Virginia, MN 55792 

(218) 749-5910 ext. 283 

(218) 749-5256 

jaime.baggenstoss@arcelormittal.com 

#2369C06003 

Barr Engineering Co. 

Richard Berg 

Sr. Air Quality Technician 

Barr Engineering Company 

4700 W. 77 Street 

Minneapolis, MN 55435 

(952) 832-2787 

(952) 832-2601 fax 

rberg@barr.com 

Project Participants and Contact Information 

ArcelorMittal Minorca Mine, Inc. 

Jaime Baggenstoss - Environmental Engineer 

Jon Maki - Process Engineer 

Barr Engineering Company 

Tom Kuchinski - Stack Testing Supervisor 

Dan Koschak - Senior Stack Test Technician 

Tom Leier - Stack Test Technician 

Richard Berg - Senior Air Quality Technician/Project Manager 

CONTACT INFORMATION 

ArcelorMittal Minorca Mine 

Jaime Baggenstoss 

Environmental Engineer 

ArcelorMittal Minorca Mine, Inc. 

P.O. Box 1 

5950 Old Hwy 53 

Virginia, MN 55792 

(218) 749-5910 ext. 283 

(218) 749-5256 

jaime.baggenstoss@arcelormittal.com 

#2369C06003 

Barr Engineering Co. 

Richard Berg 

Sr. Air Quality Technician 

Barr Engineering Company 

4700 W. 77 Street 

Minneapolis, MN 55435 

(952) 832-2787 

(952) 832-2601 fax 

rberg@barr.com