Results of the Title VIMACT Reset Performance 

Tests on December 8, 10, 15, and 16, 2009 at 

United Taconite, LLC. - Processing Facilities 

Located in Forbes, Minnesota 

Line 1 Pellet Cooler Exhaust (SV047) 

Line 2A Waste Gas (SV048) 

Line 2B Waste Gas (SV049) 

Line 1 Kiln Cooler Discharge New (SVl16) 

MPCA AQD File No. 869A 

Air Emissions Permit No. 13700113-004 

Barr Project No. 23691027.03 001 

Prepared for 

United Taconite, LLC 

Forbes, Minnesota 

January 2010 
Results of the Title VIMACT Reset Performance 

Tests on Decembef5~, 10, 15, and 16, 2009 at 

United Taconite, LLC. - Processing Facilities 

Located in Forbes, Minnesota 

Line 1 Pellet Cooler Exhaust (SV047) 

Line 2A Waste Gas (SV048) 

Line 2B Waste Gas (SV049) 

Line 1 Kiln Cooler Discharge New (SVl16) 

MPCA AQD File No. 869A 

Air Emissions Permit No. 13700113-004 

Barr Project No. 23691027.03 001 

Prepared for 

United Taconite, LLC 

Forbes, Minnesota 

January 2010 

BARR 

4700 West 77th Street 

Minneapolis, MN 55435-4803 

Phone: (952) 832-2600 

Fax: (952) 832-2601 
Results of the Title V and MACT Reset Performance Tests on 

December 8, 10, 15, and 16, 2009 at United Taconite, LLC. -

Processing Facilities Located in Forbes, Minnesota 

Table of Contents 

Report Certification ...................................................................................................................................... iv 

Certification of Sampling Procedures: ................................................................................................. iv 

Certification of Analytical Procedures: ................................................................................................ iv 

Certification of Test Report by Testing Company: .............................................................................. iv 

Certification of Test Report by Owner or Operator of Emission Facility: ............................................ v 

Executive Summary ..................................................................................................................................... vi 

Introduction ................................................................................................................................................... 1 

Results Summary .......................................................................................................................................... 2 

Process Description ....................................................................................................................................... 4 

Stack Test Procedures and Methods .............................................................................................................. 6 

23691027 

11 
Table I 

Table 2 

Table 3 

Table 4 

Table 5 

Table 6 

Table 7 

List of Tables 

Particulate Matter Test Results - Line 1 Pellet Cooler Exhaust (SY047) 

Particulate Matter Test Results - Line 2A Waste Gas Stack (SY048) 

Gaseous Pollutant Test Results - Line 2A Waste Gas Stack (SY048) 

Particulate Matter Test Results - Line 2B Waste Gas Stack (SY049) 

Gaseous Pollutant Test Results - Line 2B Waste Gas Stack (SY049) 

Sulfur Dioxide Removal Efficiency Determination- Line 2 Waste Gas Stacks 

Particulate Matter Test Results - Line 1 Kiln Cooler Discharge New (SYl16) 

List of Figures 

Figure 1 Test Port Locations - Line 1 Pellet Cooler Exhaust (SY047) 

Figure 2 Traverse Point Locations - Line 1 Pellet Cooler Exhaust (SY047) 

Figure 3 Test Port Locations - Line 2A Waste Gas Stack (SY048, EU042) 

Figure 4 Traverse Point Locations - Line 2A Waste Gas Stack (SY048. EU042) 

Figure 5 Test Port Locations - Line 2B Waste Gas Stack (SY049, EU042) 

Figure 6 Traverse Point Locations - Line 2B Waste Gas Stack (SY049, EU042) 

Figure 7 Test Port Locations - Line 1 Kiln Cooler Discharge New (SYl16) 

Figure 8 Traverse Point Locations - Line 1 Kiln Cooler Discharge New (SYl16) 

Appendix A 

Appendix B 

Appendix C 

Appendix D 

Appendix E 

Appendix F 

Appendix G 

Appendix H 

Appendix I 

Appendix J 

23691027 

List of Appendices 

Report Calculations and Nomenclature 

Field Data Sheets 

Laboratory Reports and Sample Chain of Custody 

Instrument Output 

Calibration Data 

Cylinder Gas Certifications 

Visible Emissions Evaluator Certification 

Process Operating Data 

Stack Test Plan 

Project Participants 

111 
Report Certification 

Certification of Sampling Procedures: 

I certify under penalty of law that the sampling procedures were performed in accordance with 

. the approved test plan and that the data presented in this test report are, to the best of my 

knowledge and beUef, true, accurate, and complete. All exceptions are listed and explained 

below. 

Signature: _---:;JV:.-;;".~--.....:::.I.. _ _#,~I__~/C-:::..t..::?V\-~------­ Dan Kaschak It 

Air Quality Teclmician 

Barr Engineering Co. 

Certification of Analytical Procedures: 

Date 

I certify under penalty of law that the analytical procedures were performed in accordance with 

the requirements of the test methods and that the data present¢ for use in the test report were, 

to the best of my knowledge and belief, true, accurate, and complete. All exceptions are listed 

and explained below. 

Signature: _c2::"'-_~:....I<:i~~:=...a.=+(.-...: ~~ £2.::;;;:;:.=-1-_____ _ 

Sr. Air Quality Technician 

Barr Engineering Co. 

Certification of Test Report by Testing Company: 

Daft; , 

I certify under penalty of law that this test report and all attachments were prepared under my 

direction or supervision in accordance with a system designed to assure that qualified personnel 

properly gathered and evaluated the test information submitted. Based on my inquiry of the 

person or persons who performed sampling and analysis relating to the performance test, the 

information submitted in this test report is, to the best of my knowledge and belief, true, 

accurate, and complete. All exceptions are listed and explained below. 

Signature: ~ £L-2>/ l/z 7/ZcJ/ () 

Tom Kuc~ski Date 

Air Emission Testing Supervisor 

Barr Engineering Co, 

23691027 

iv 
Certification of Test Report by Owner or Operator of Emission 

Facility: 

I certify under penalty oflaw that the information submitted in this test report accurately 

reflects the operating conditions at the emission facility during this performance test and 

describes the date and nature orall operational and maintenance activities that were performed 

on the process and control equipment during the month prior to the performance test. Based on 

my inquiry of the person or persons who performed the operational and maintenance activities, 

the information submitted in this tl;:st repolt is, to the best of my knowledge and belief, true, 

accurate, and complete. All exceptions are listed and explained below. 

Signature: 

23691027 

v 
Executive Summa 

Barr Engineering Company performed tests on four sources at United Taconite, LLC's facility located 

in Forbes, Minnesota. One test was performed on the Line 1 Kiln Cooler Discharge (New) for 

particulate matter (PM) to re-establish operating parameters for the control devices to comply with the 

Taconite Maximum Achievable Control Technology (Taconite MACT) requirements found in 40 CFR 

Part 63 Subpart RRRRR. The Line 1 pellet cooler exhaust and the Line 2 waste gas stacks, 2A and 2B, 

were tested to demonstrate compliance with the facility's Air Emissions Permit 13700113-004. Testing 

was performed December 8,10 15-16, 2009. A summary of the results is reported in the Executive 

Summary Table. 

Stack ID, emission unit ID, test results and appropriate permitted emissions limits are presented in the 

Executive Summary Table. 

23691027 

VI 
Executive Summary Table 

Particulate Emissions 

Average Test Results 

Test Parameter Line 1 Line 2A Line 28 Line 1 Kiln 

Method 5/202,9 OTM028 Pellet Cooler Waste Gas Waste Gas Cooler 

Exhaust Stack Stack Discharge New 

Stack Vent No. SV047 SV048 SV049 SV116 

Emission Unit No. EU041 EU042 EU042 EU039 

Control Equipment None CE049 CE050 CE065 

Test Date 12/16/09 12/10109 12/8109 12/15/09 

Particulate Concentration, gr/dscf 

Dry Catch Only (Filterable) 0.064 0.013 0.007 0.001 

Dry Catch Plus Organic 0.065 0.013 0.008 -- Condensibles 

Permit Emissions Limits, gr/dscf 1 -- 0.029 0.030 --

Particulate Emissions Rate, Ib/hr 

Dry Catch Only (Filterable) 44.2 33.9 18.5 0.29 

Dry Catch Plus Organic 44.2 34.4 18.9 -- Condensibles 

Permit Emissions Limits, /b/hr 2 42.7 -- -- --

Visible Emissions, % opacity 3 0 0 0 --

I Total particulate compliance concentration limit determined from Minn. Rules 7011.0735 Table 2 for Title V Air Emissions 

Permit. Determination made using the sum of filterable and organic condensible particulate measured in the stack gas. 

2 Total particulate compliance emissions limit calculated from Minn. Rules 7011.0730 Table 1 for Title V Air Emissions 

Permit. Determination made using the sum of filterable and organic condensible particulate measured in the stack gas. 

3 Visible emissions limit less than or equal to 20%. Minn. Rules 7011.0710 subp. I(B), or 7011.0715 subp. I(B) 

23691027 

Vll 
23691027 

Executive Summary Table (Continued) 

Sulfur Emissions 

Test Parameter Line2A Line 28 

EPA Method 6C Waste Gas Waste Gas 

Stack Stack 

Stack Vent No. SV048 SV049 

Emission Unit No. EU042 EU042 

Control Equipment CE049 CE050 

Test Date S02 Emission Rate, Ib/hr 12/10/09 12/8/09 

S02 Concentration, ppm dry 212 146 

S02 Emission Rate, Ib/hr 650 431 

S02 Emission Rate, Ib/MMBtu 2.1 1.7 

S02 2A and 2B Combined 1081 Emission Rate, Ib/hr 

S02 2A and 2B Combined 3.8 Emission Rate, Ib/MMBtu 

S02 /b/MMBtu Emission Rate, 4 Limit 

S02 Removal Efficiency, %1 27.5 

I Determined by mass balance calculation 

viii 
Introduction 

Barr Engineering Co. performed emissions tests at United Taconite, LLC processing facility located in 

Forbes, Minnesota on December 8,10, 15 and 16,2009. Testing was performed at the Line 1 Pellet 

Cooler Exhaust (SV047), the 2A Waste Gas Stack (SV048), and the 2B Waste Gas Stack (SV049) for 

particulate matter to demonstrate compliance with the facility's Air Emissions Permit 13700113-004 for 

2009. The Line 1 Kiln Cooler Discharge New (SV 116) was tested to re-establish operating parameters 

for the control device to comply with the Taconite MACT requirements found in 40 CFR Part 63 

Subpart RRRRR. In addition, sulfur dioxide was tested at the 2A and 2B Waste Gas Stacks to 

demonstrate compliance with Title V permit limits and scrubber removal efficiency determination. 

A test plan was submitted November 16,2009 for five the sources to be tested. The plan was discussed 

on November 30,2009 via phone conference with Andy Place of the Minnesota Pollution Control 

Agency (MPCA), Candice Maxwell of United Taconite, Tom Kuchinski and Dan Koschak of Barr 

Engineering in attendance. The test plan was approved December 3,2009. A copy of the test plan, 

email correspondence from United Taconite to Andy Place of the MPCA pertaining to the test plan, and 

approval forms are provided in Appendix 1. 

7F Fine Crushing (EU017, SV023) was not tested and is discussed in the Performance Test Plan 

Approval located in Appendix 1. The actual test dates varied from what the test plan called out. Process 

problems and weather conditions caused the delays in testing. 

Dan Koschak led the Barr test team. Candice Maxwell of United Taconite, LLC provided testing 

coordination. The tests were not witnessed by the MPCA. A list of project participants is provided in 

Appendix J. 

Tests for Title V permit compliance demonstration at the Line 1 Pellet Cooler and 2A and 2B Waste 

Gas Stacks consisted of three one-hour runs for particulate and one hour opacity tests. Sulfur Dioxide 

testing coincided with the particulate runs at the 2A and 2B waste gas stacks. The opacity testing on 

the 2A and 2B Waste Gas Stacks was performed simultaneously because the plumes were combined. 

This approach was approved by Andy Place of the MPCA via telephone with Tom Kuchinski of Barr on 

December 8, 2009. The test at the Line 1 Kiln Cooler New consisted of three two- hour runs. All tests 

were performed at production rates listed in the test plan. 

23691027 
Results Summa 

Results of the particulate matter emissions performance tests are summarized in the Executive 

Summary Table. The results are summarized for filterable particulate matter, filterable plus organic 

particulate matter emissions, and total particulate matter emissions-the sum of filterable, and organic 

and inorganic condensibles. Filterable particulate matter (PM) plus organic condensible particulate 

matter emissions results are used when determining compliance with the applicable PM limit in the 

Minnesota Rules, expressed in grains per dry standard cubic foot (gr/dscf) and pounds per hour (Ib/hr). 

Line 1 Pellet Cooler Exhaust (SY047) 

Results of the December 16,2009 particulate test are provided in Table 1. The source does not meet the 

permitted emissions concentration limit determined using the average air flow rate of 80,000 dscfm, nor 

does it meet the mass emissions rate based on the fired pellet throughput rate of 251 LTPH. Visible 

emissions observations were performed concurrent with test run two. Results of the observations were 

not summarized because all observations were zero. A copy of the field observation sheet is located in 

Appendix B. No testing problems or process interruptions occurred during the testing. 

Line 2A Waste Gas Stack (SY048) 

Results of the December 10, 2009 particulate and opacity testing are provided in Table 2. Results of 

the sulfur dioxide testing are presented in Table 3. This source was scheduled to be tested on December 

9,2009 but was delayed was due to weather conditions that created a dangerous environment at the 

stack. This change in schedule was communicated with the MPCA. The source complies with the 

emissions concentration limit determined using the average air flow rate of 307,000 dscfm. No 

problems were encountered while testing. Sulfur dioxide emissions are discussed below. 

Line 2B Waste Gas Stack (SY049) 

Results of the December 8, 2009 particulate test are provided in Table 4. Results of the sulfur dioxide 

testing are presented in Table 5. The source complies with the emissions concentration limit determined 

using the average air flow rate of296,000 dscfm. An opacity determination was made by reading the 

combined plumes of the 2A and 2B Waste Gas stacks during the third particulate run. The highest sixminute average was 0.0 percent. No problems were encountered while testing. 

23691027 

2 
The 2A and 2B waste gas stacks combined sulfur dioxide emission rates is 3.8 pounds per million 

British thermal unit (lb/MMBTu) which complies with the 4 Ib/MMBtu permit limit. 

The mass balance and removal efficiency results are presented in Table 6. The removal efficiency of 

the scrubbers for sulfur dioxide is 27.5 percent. Samples of feed material (coal and greenballs) and exit 

points (taconite pellets and stack emissions) were used in the mass balance calculation. Laboratory 

analysis data for feed material and pellets is located in Appendix C. Coal samples were analyzed at two 

separate laboratories (Twin Ports Testing and SGS labs) for heat value and sulfur content. The coal 

analysis results from Twin Ports Testing were used for the calculations as this is the lab normally used 

by United Taconite for fuels analysis. Greenball and fired pellet sulfur content determined using the 

average results from Twin Ports testing and Lerch Bros. Two other laboratories (SGS and Legend 

Technical Services) also analyzed greenball and fired pellets. Data from these labs were not used due 

to incorrect methodology (SGS) and inconsistent results (Legend Technical Services) based on 

historical data. All laboratory data is provided in Appendix C. 

Line 1 Kiln Cooler Discharge New (SV116) 

Results of the December 15,2009 test are provided in Table 7. During run one, the process data 

collection system malfunctioned. Process data was lost from 0903-0923. No process upsets occurred 

while the data collection system was down. During run two, there was an 83 minute delay in testing 

starting at ~80 minutes into the test. A cooler upset caused the delay. 

23691027 

3 
Process Description 

Line 1 Pellet Cooler Exhaust (EU041, SV047) 

The Line 1 pellet cooler is an uncontrolled source that provides cooling of the pellets at the exit of the 

induration kiln. Process rates during the testing averaged 295 LTPH green balls and 251 L TPH fired 

pellet production. 

Line 2A and B Waste Gas Stacks (EU042, SV048, SV049) 

The Line 2 pellet induration is an Allis Chalmers rotary kiln (serial number B-4130 I), which is 130 feet 

in length with a 21' 6" diameter. The pellets pass through the kiln where they are heated to 

approximately 2400 degrees Fahrenheit. The heated gases from the kiln are mixed with recouped hot 

air from the pellet cooler. This air is used to dry the green pellets prior to the kiln in the preheat zones. 

The waste gases are divided into two sides which are served by identical Ducon venturi scrubbers (Size 

825/222 Type VVO), Side A (CE049, SV048) and Side B (CE050, SV049). 

The kiln was firing on coal/coke blend for the tests. The process rate for the 2A testing averaged 647 

LTPH greenball feed and 527 LTPH fired pellets. The process rate for the 2B testing averaged 632 

L TPH greenball feed and 512 L TPH fired pellets. Coal sample composites were collected and analyzed 

by ultimate proximate. The average heat input to the kiln was 308MMBtu/hr during the 2A test and 

257 MMBtu/hr for the 2B test. Samples of the greenball and fired pellets were analyzed for sulfur 

content for the sulfur mass balance calculations. Laboratory data is located in Appendix C. 

Line 1 Cooler Discharge New(EU39, SV116) 

The Cooler Discharge (EU039) is served by a two scrubbers for particulate emissions control at the 

point where cooled pellets are emptied from the Pellet Cooler; the old scrubber (SV045 and the new 

discharge scrubber (SV116). The Line I Cooler Discharge New control device is a Ducon Type 

dynamic wet scrubber Type UW-4 Model IV Size 120. The average water flow rate to the scrubber was 

88 GPM and the average pressure drop across the control device was 4.2 inches water column. 

Throughput rates during the testing period averaged 290 LTPH green ball and 248 LTPH fired pellets. 

23691027 

4 
Process data and control equipment parameter information for the testing is presented in the tables and 

in Appendix H. 

23691027 

5 
Stack Test Procedures and Methods 

Testing was performed from ports meeting EPA Method 1 criteria. The Method 1 criteria are listed in 

the table below. Sample port location and traverse point details are provided in Figures 1-8. 

Location SV# Distance to Distance to Number of Number of Average 

upstream downstream ports Points Absolute 

Disturbance, Disturbance, Yaw Angle 

(diameters) (diameters) 

SV047 -3 1 4 24 1.0 

SV048 -7.9 2.1 4 12 -

SV049 -7.1 2.1 4 12 -

SV116 4.25 1.9 2 24 2.3 

Volumetric airflow determinations were performed in accordance with EPA Method 2 using an S type 

pitot tube. Airflows were determined in conjunction with the EPA Method 5 tests. 

Stack gas compositions of the Line 1 Pellet Cooler Exhaust and the Line 1 Kiln Cooler New were at 

ambient concentrations. Line 2A and B stack gas composition was measured by EPA Method 3A. 

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

the EPA Method 5 tests. 

Filterable particulate concentration and emission rates were determined in accordance with EPA 

Method 5. Condensible particulate matter collected in the back half of the sample train was determined 

using EPA Method 202 at the Line 1 Pellet Cooler Exhaust and OTM028 at the Line 2A and B Waste 

Gas Stacks. 

EPA Method 6C was used to determine sulfur dioxide concentrations in the 2A and 2B Waste Gas 

stacks. Testing was conducted at three sample points in the stack through a heated probe and filter 

assembly. Sample was transported through Teflon line and conditioned to remove moisture prior to 

analyzing in an API Model 200EH analyzer. The analyzer was calibrated with EPA Protocol 1 gases. 

Copies of calibration gas certifications are located in Appendix F. Analyzer data was output to a data 

logger and recorded every 20 seconds. 

Visible emissions were evaluated by a certified observer following EPA Method 9. 

23691027 

6 
The test methods referenced above are found in 40 CFR part 60, Appendix A, except for EPA Method 

202, which is found in 40 CFR Part 51, Appendix M. OTM 028 is not a promulgated method at the 

time of this report. 

23691027 

7 
Tables 
Cliffs Natural Resources Inc. 

United Taconite, llC 

Forbes, Minnesota 

TABLE 1 

PARTICULATE MATTER TEST RESULTS 

Line 1 Pellet Cooler Exhaust (SV047) 

Parameter I Run 1 I Run 2 

Test Date i 12/16/2009 i 12/16/2009 

Test Period ! 819 - 933 i 1019 - 1126 , , Test Duration, min. i 60 60 

Avg. Stack Temperature, deg.F ! 595 580 

Avg. Moisture Content, %VN ! 1.0 0.8 I 

Particulate loading, g 

Dry Catch I 0.1687 0.1067 

Organic Condensibles ! 0.0000 i 0.0000 

Aqueous Phase Condensibles i 0.0041 : 0.0019 

Total I 0.1728 0.1086 I ! 

Air Flow Rate I 

acfm ! I 170,000 166,000 I 

scfm I 82,000 I 81,000 I I 

I 

dscfm I 81,000 : 81,000 , 

Sample Volume 

acf i 33.08 i 32.96 I 

dscf i 33.71 1 33.14 i 

Isokinetic Variation, % i 100.0 i 99.2 

Particulate Concentration, gr/dscf 

Dry Catch Only (Filterable) 0.077 i 0.050 i 

Dry Catch + Organic Condensibles 0.077 i 0.050 ! 

Dry Catch Only + Organic Condensibles + 0.079 

! 

0.051 

Aqueous Phase Condensibles (Total) 

Particulate Emissions Rate, Ib/hr 

Dry Catch Only (Filterable) 53.8 i 34.3 

Dry Catch + Organic Condensibles 53.8 i 34.3 

Dry Catch + Organic Condensibles + 55.1 34.9 

Aqueous Phase Condensibles ! 

Greenball Feed Rate, l TPH i 295 i 295 I 1 

Fired Pellet Production Rate, l TPH 252 , 251 

Total Particulate Emission Rate, Ib/l T Greenball 0.19 i 0.12 

Total Particulate Emission Rate, Ib/l T Fired Pellet I 0.22 i 0.14 

Barr Engineering Co. 

January 27,2010 

Run 3 Average 

! 

I 12/16/2009 --- 1156 - 1302 --- i 60 60 -

565 580 

0.4 0.8 

0.1383 0.1379 

0.0002 0.0001 

0.0013 0.0024 

I 0.1398 0.1404 

! 157,000 164,000 

1 78,000 80,000 

I 78,000 80,000 

I 32.27 32.77 

I 32.09 32.98 

i 99.1 99.4 

i 0.067 0.064 I 

I 0.067 0.065 i 

! 0.067 0.066 

, 44.5 44.2 

44.6 44.2 

i 45.0 45.0 

: 

295 295 , 251 251 

! 0.15 0.15 

0.18 0.18 
Cliffs Natural Resources Inc. 

United Taconite, llC. 

Forbes, Minnesota 

TABLE 2 

PARTICULATE MATTER TEST RESULTS 

Line 2A Waste Gas Stack (SV048) 

Parameter , Run 1 , I Run 2 , 

Test Date I 12/10/2009 : 12/10/2009 I 

Test Period 1102 - 1209 , 1239 - 1345 

Test Duration, min. I 60 60 

IAvg. Stack Tbl ItJcrature deg.F 122 , 123 

Avg. Moisture Content, %VN i 12.0 : 10.7 

Particulate loading, g 

Dry Catch 0.0386 0.0244 

Organic COl lucll .. ibles 0.0003 . 0.0004 

Aqueous Phase Condensibles , 

0.0110 0.0110 

Total 0.0499 0.0358 

Air Flow Rate 

acfm i 405,000 i 407,000 

scfm , 

347,000 ! 348,000 

dscfm 306,000 311,000 

Sample Volume 

acf 38.57 38.96 

dscf 37.80 38.04 

Isokinetic Variation, % ! 97.3 96.3 

Particulate Concentration, gr/dscf 

Dry Catch Only (Filterable) , 0.016 ! 0.010 , 

Dry Catch + Organic Condensibles I 0.016 I 0.010 

Dry Catch Only + Organic Condensibles + I 0.020 \ 

, 0.015 , 

Aqueous Phase Condensibles (Total) I 

Particulate Emissions Rate, Ib/hr 

Dry Catch Only (Filterable) 41.3 ! 26.4 I ! 

Dry Catch + Organic Condensibles 41.6 I 26.9 

Dry Catch + Organic Condensibles + 53.4 ! 38.7 ; 

Aqueous Phase Condensibles i 

Greenball Feed Rate, lTPH 647 [ 647 

Fired Pellet Production Rate, l TPH 527 526 

Total Particulate Emission Rate, Ib/lT Greenball I 0.083 , 0.060 I 

Total Particulate Emission Rate, Ib/l T Fired Pellet ; 0.101 0.074 

Highest Six-Minute Average Opacity*, % , -- i --

Barr Engineering Co. 

January 22,2010 

Run 3 Average 

12/10/2009 --- 1413 - 1519 --- 60 60 

123 123 

12.2 11.6 

0.0324 0.0318 

; 0.0005 0.0004 

: 0.0157 0.0125 

0.0486 0.0448 

! 404,000 405,000 

: 345,000 347,000 

303,000 307,000 

39.14 38.89 

38.08 37.97 

98.8 97.5 

0.013 0.013 

! 0.013 0.013 

0.020 0.018 

34.1 33.9 

i 34.7 34.4 

51.2 47.8 

648 647 

527 527 

0.079 0.074 

0.097 0.091 

i 0 --

*Opacity performed simultaneously with l2B WGS with approval from Andy Place on 12/08/09 (1432-1532) 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

TABLE 3 

GASEOUS POLLUTANT TEST RESULTS 

Line 2A Waste Gas Stack (SV048) 

Parameter , 

! Run 1 Ii Run 2 

Test Date I 12/10/2009 12/10/2009 

Test Period I 1102-1209 i 1239-1345 

t-ir Flow Rate 

ACFM i 405,000 -±Q7,000 

SCFM I 347,000 348,000 

DSCFM 306,000 311,000 

EPA Method 6C Results 

S02 Concentration, PPM i 212 I 213 

S02 Emission Rate, Iblhr I 648 660 

S02 Emission Rate, Ib/MMBtu i 2.1 2.2 

Process Data 

Heat input, MMBTU/hr 307 304 

Barr Engineering Co. 

January 26,2010 

Run 3 j Average 

i 12/10/2009 -- , 

I 1413-1519 --

j 404,000 405,000 ; 345,000 347,000 

303,000 307,000 

212 212 

641 650 

2.1 , 

, 2.1 

301 304 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

TABLE 4 

PARTICULATE MATTER TEST RESULTS 

Line 2B Waste Gas Stack (SV049) 

Parameter , 

i Run 1 I Run 2 

Test Date i 12/8/2009 i 12/8/2009 

Test Period I 1043 - 1153 i 1228 - 1336 I 

Test Duration, min. i 

60 I 60 

Avg. Stack Temperature, deg.F 122 118 

Avg. Moisture Content, %VN ! 11.3 I 11.0 i 

Particulate Loading g 

Dry Catch • 0.0181 0.0163 

Organic Condensibles i 0.0002 : 0.0004 

Aqueous Phase Condensibles 0.0107 , 0.0068 

Total i 0.0290 ! 0.0234 

Air Flow Rate 

acfm ! 381,000 ! 378,000 

scfm , 333,000 332,000 

dscfm 295,000 296,000 

Sample Volume 

acf i 38.27 I 38.44 

dscf i 36.35 I 37.66 

Iisokinetic Variation, % i 96.0 i 99.2 

Particulate Concentration, gr/dscf 

Dry Catch Only (Filterable) ! 0.0077 I 0.0067 I 

, 

Dry Catch + Organic Condensibles i 0.0078 ! 0.0068 

Dry Catch Only + Organic Condensibles + 0.0123 0.0096 

I ! 

Aqueous Phase Condensibles (Total) i I , 

Particulate Emissions Rate, Ib/hr 

Dry Catch Only (Filterable) I 19.5 i 16.9 

Dry Catch + Organic Condensibles 19.7 17.3 

Dry Catch + Organic Condensibles + I 31.2 24.3 i 

Aqueous Phase Condensibles 

Greenball Feed Rate, L TPH 631 632 

Fired Pellet Production Rate, L TPH 508 : 513 

Total Particulate Emission Rate, Ib/LT Greenball : 0.049 : 0.038 

Total Particulate Emission Rate, Ib/LT Fired Pellet : 0.061 I 0.047 

Barr Engineering Co. 

January 22, 2010 

! Run 3 Average 

! 12/8/2009 ---

! 1428 - 1553 ---

60 60 

• 119 120 

11.3 11.2 

0.0185 0.0176 

0.0006 0.0004 

i 0.0097 0.0091 

0.0287 0.0271 

• 

380,000 380,000 - , 

334,000 333,000 

296,000 296,000 

38.47 38.39 

37.83 37.28 

99.6 98.3 

! 0.0075 0.0073 

i 0.0078 0.0075 

0.0117 0.0112 

19.1 18.5 

19.7 18.9 

29.7 28.4 

- ----

634 632 

515 512 

0.047 0.045 

0.058 0.055 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

TABLE 5 

GASEOUS POLLUTANT TEST RESULTS 

Line 2B Waste Gas Stack (SV049) 

Parameter Run 1 i Run 2 

Test Date 12/8/2009 , 12/8/2009 

Test Period 1043-1152 1227-1336 

Air Flow Rate 

ACFM 381,000 f 378,000 

SCFM 333,000 i :n? 000 

DSCFM : 295,000 ! ?~R 000 

EPA Method 6C Results 

S02 Concentration, PPM 144 r 147 

S02 Emission Rate, Iblhr 424 I 432 I 

S02 Emission Rate, Ib/MMBtu 1.6 i 1.7 

Process Data 

Heat input, MMBTU/hr 260 259 

Barr Engineering Co. 

January 26,2010 

i Run 3 Average 

12/8/2009 -- 1428-1555 --

i 380,000 380,000 

i 334,000 333,000 

296,000 296,000 

-

148 146 

I 437 431 

i 1.7 1.7 

. 261 i 260 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

TABLE 6 

SULFUR DIOXIDE REMOVAL EFFICIENCY DETERMINATION 

Line 2 Waste Gas Stacks 

Sulfur Mass Balance Determination 

Barr Engineering Co. 

January 28,2010 

II-'arameter i waste Gas ~tack 2A : Waste Gas ~tack 2tj I 

Test Date ! 12/10/2009 I 12/8/2009 I 

Test Period i 1102-1509 I 1043-1055 I I 

* Fuel Consumption Rate, TPH ! 10.82 i 9.12 i 

** Fuel Moisture Content I 1.3 1.21 

* Greenball Feed Rate, L TPH 600 587 

** Greenball Moisture Content, % 9.56 9.63 

Taconite Production Rate, L TPH 527 512 

** Fuel Sulfur Content, % dry 3.61 I 3.67 

***Greenball Sulfur Content, % dry 0.005 0.005 

***Taconite Sulfur Content, % dry 0.003 0.002 I 

Total Sulfur input, Ib/hr (1) 832 722 

Sulfur Output with Fired Pellets, Ib/hr (2) 34 28 

Sulfur Loading to Scrubbers, Ib/hr (3) 798 I 694 i i 

Sulfur Dioxide Loading to Scrubbers, Ib/hr (4) I 1595 I 1388 i i 

Average Sulfur Dioxide Loading Rate to Scrubbers, Ib/hn 1492 I 

Sulfur Dioxide Emission Rate from Scrubbers, Ib/hr (5) I 1081 

Sulfur Dioxide Removal EffiCiency, % , 

t 27.5 I 

~ t- rom I-'rocess uata 

** Laboratory data from TPT 

*** Laboratory Results. ASTM Method 1915-07a (average ofTPT and Lerch Bros Results) 

(1) Sulfur Input, Ib/hr = [(Greenball Feedrate to Kiln,L TPH x 2240 Ib/L T) x (1-Greenball Moisture Content, 

%/100) x (Greenball Sulfur Content, %/100)] + [(Fuel consumption Rate, TPH x 2000 Ib/ton) x (1-Fuel 

Moisture Content, %/100) x (Fuel Sulfur Content) 

(2) Sulfur Output with Fired Pellets = (Fired Pellet Production Rate, L TPH x 2240 Ib/L T) x ( Fired Pellet 

Sulfur Content, %/100) 

(3) Sulfur Loading Rates to Scrubbers = (Sulfur Input - Sulfur Output with Fired Pellets) 

(4) S02 Loading Rate to Scrubbers = Sulfur Loading Rate, Ib/hr x Ib mol/32 Ib sulfur x 64 Ib S02/lb mol 

(5) As Determined from EPA Method 6C Stack Tests (combined average emissions from both stacks) 
Cliffs Natural Resources Inc. 

United Taconite, llC 

Forbes, Minnesota 

TABLE 7 

PARTICULATE MAnER TEST RESULTS 

Line 1 Kiln Cooler Discharge New (SV116) 

Parameter I Run 1 i I ! Run 2 

Test Date : 12/15/2009 12/15/2009 

Test Period 823 - 1032 : 

, 1100 - 1428 

Test Conditions 

Scrubber Water Flow Rate, gpm 34 117 I 

Scrubber Pressure drop, in w.c. 4.2 4.2 

Test Duration, min. 120 120 

Avg. Stack Temperature, deg.F 60 57 

Avg. Moisture Content, %VN ! 1.5 1.6 

Particulate loading, g 

Dry Catch 1 0.0050 ! 0.0045 

Air Flow Rate 

acfm Ii 36,000 35,000 

scfm ! 35,000 I 35,000 

dscfm : 34,000 34,000 

Sample Volume 

acf l 70.94 i 70.88 

dscf ! 72.26 ! 71.76 

Ils2J<:ineti~ Variation, % ! 99.1 i 98.7 

Particulate Concentration, gr/dscf 

Dry Catch Only (Filterable) 0.0011 I 0.0010 

Particulate Emissions Rate, Ib/hr 

Dry Catch Only (Filterable) i 0.32 i 0.28 I 

Greenball Feed Rate, l TPH i 290 i 286 

Fired Pellet Production Bate, l TPH 1 246 i 244 

Total Particulate Emission Rate, Ib/l T Greenball l 0.0011 I 0.0010 

Total Particulate Emission Rate, Ib/l T Fired Pellet i 

I 0.0013 i 0.0012 

Barr Engineering Co. 

January 22, 2010 

Run 3 Average 

12/15/2009 --- ! 1451 - 1654 ---

116 89 

, 4.1 4.2 

120 120 

57 58 

1.6 1.6 

0.0042 I 0.0046 

35,000 35,000 I 34,000 35,000 

34,000 34,000 

i 70.30 70.71 

i 70.65 71.56 

i 9~ 98.8 

; 0.0009 I 0.0010 

I 0.27 0.29 

295 290 

252 247 

0.0009 0.0010 

I 0.0011 0.0012 
Figures 
NOT TO SCALE 

4 TEST PORTS 

@ 90 DEGREES 

-I 119" ID I 

1 .0 DIAM ETERS 

o 

------- ROOF LINE 

t 

>3.0 DIAMETERS 

TEST PORT LOCATIONS 

UNITED TACONITE, LLC 

FORBES, MINNESOTA 

LINE 1 PELLET COOLER EXHAUST (SV047) 

FIGURE 1 
A 

D 

C 

NO. OF TEST PORTS 4 

PORT LENGTH 12.75" 

PORT DIAMETER 6" 

NO. OF TRAVERSE POINTS 24 

DUCT DIAMETER 119.00" 

TRAVERSE POINT LOCATIONS 

UNITED TACONITE, LLC 

FORBES, MINNESOTA 

POINT 

1 

2 

3 

4 

5 

6 

LINE 1 PELLET COOLER EXHAUST (SV047) 

NOT TO SCALE FIGURE 2 

B 

INSERTION 

DEPTH IN " 

2.53 

7.97 

14.06 

21.09 

29.75 

42.32 
-,--------

t 

I 

26.00' 

"-'7.9 DIAMETERS 

1147.00"-1 

o 

o 

FLOW 

TEST PORT LOCATIONS 

UNITED TACONITE, LLC 

FORBES, MINNESOTA 

LINE 2A WASTE GAS STACK (SV048, EU042) 

FIGURE 3 

NOT TO SCALE 

4 TEST PORTS 

@ 90' 

TESTING 

PLATFORM 

ROOF 
B 

NO. OF TEST PORTS 

PORT LENGTH UPPER 

PORT LENGTH LOWER 

PORT DIAMETER 

NO. OF TRAVERSE POINTS 

DUCT DIAMETER 

• 

A 

& 

X 

x 

x 

C 

D 

4 

e M2 POINTS x M6C POINTS 

POINT INSERTION 

DEPTH IN " 6.88" 

4.0" 1 6.40 

4.0" 

2 21.53 

12 

147.00" 3 43.49 

TRAVERSE POINT LOCATION 

UNITED TACONITE, LLC 

FORBES, MINNESOTA 

POINT INSERTION 

DEPTH IN " 

1 24.55 

2 73.50 

3 122.45 

LINE 2A WASTE GAS STACK (SV048, EU042) 

NOT TO SCALE FIGURE 4 
26.00' 

"-'7.1 DIAMETERS 

1146.25"-1 

o 

l' 

FLOW 

TEST PORT LOCATIONS 

UNITED TACONITE, LLC 

FORBES, MINNESOTA 

4 TEST PORTS 

@ 90· 

TESTING 

PLATFORM 

LINE 2B WASTE GAS STACK (SV049, EU042) 

FIGURE 5 

NOT TO SCALE 
B 

NO. OF TEST PORTS 4 

PORT LENGTH 7.0" 

PORT DIAMETER 6,0" 

NO. OF TRAVERSE POINTS 12 

DUCT DIAMETER 146.25" 

A 

• 

x 

x 

x 

• 

C 

e M2 POINTS 

POINT INSERTION 

DEPTH IN " 

1 6.37 

2 21.42 

3 43.27 

TRAVERSE POINT LOCATION 

UNITED TACONITE, LLC 

FORBES, MINNESOTA 

D 

x M6C POINTS 

POINT INSERTION 

DEPTH IN " 

1 24.42 

2 73.13 

3 121.83 

LINE 2B WASTE GAS STACK (SV049, EU042) 

NOT TO SCALE FIGURE 6 
2 TEST PORTS 

@ 90 DEGREES 

60" ID 

-I fo 

t 

I 

9' 6" 

I 

ROOF LINE 

21' 3" 

1----FLOW STRAIGHTNER 

SCRUBBER 

TEST PORT LOCATIONS 

UNITED TACONITE, LLC 

FORBES, MINNESOTA 

FROM KILN 

COOLER DISCHARGE 

LINE 1 KILN COOLER DISCHARGE NEW (SV116) 

NOT TO SCALE FIGURE 7 
NO. OF TEST PORTS 2 

PORT LENGTH 4.5" 

PORT DIAMETER 4" 

NO. OF TRAVERSE POINTS 24 

DUCT DIAMETER 60.0" 

• 

• 

TRAVERSE POINT LOCATIONS 

UNITED TACONITE, LLC 

FORBES, MINNESOTA 

POINT 

1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

LINE 1 KILN COOLER DISCHARGE NEW (SV116) 

NOT TO SCALE FIGURE 8 

INSERTION 

DEPTH IN " 

1.26 

4.02 

7.08 

10.62 

15.00 

21.36 

38.64 

45.00 

49.38 

52.92 

55.98 

58.74 
Appendices 
Appendix A 

Report Calculations and Nomenclature 
Calculation Equations - EPA Methods 3A, 6C, 7E, 10 

System bias adjustment on source concentration indicated by the analyzer. 

where: 

C -(c -C) CmA 

ppm - A a C C m - a 

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 (lb/hr). 

where: 

C _ MWxCppm 

(

.-!!!L) - 24.04 

dscm 

E{!b/llr) = (6.242 x 10-8)x C(.!!!L) x 60 x Qd 

dscm 

C(.!!!fL) 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 

whereMW= 

64 S02 

46 N02 

28 CO 

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 

W:\Business Units\EM\Subunit Admin\Technical & Support Services\AIR SAMPLlNG\Templates\Reports\Equations\analyzereq 

Compliance.doc 
Emission rate of pounds per MMBtu heat input. 

E E(tb/hr) 

(fbI MMBlu) = Heat Input(MMBtuIhr) 

Heat Input from operating data summary 

W:\Business Units\EM\Subunit Admin\Technical & Support Services\AIR SAMPLING\Templates\Reports\Equations\analyzereq.doc 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

Barr Engineering Co. 

January 27, 2010 

Determination of Volumetric Airflow Rate, Gas Composition, Moisture Content, and Particulate Emissions 

EPA Methods 2, 3, 4, 5, 202 

Line 1 Pellet Cooler Exhaust (SV047) 

Input Data I Symbol : Units Run 1 Run2 I Run3 

Test Date I 

, , - i 12116/2009 i 12116/2009 i 1211612009 

Test Period - : 819 - 933 ; 1019 -1126,1156 -1302 

Number of Sample Ports ! - i 4 4 , 4 

Number of Traverse Points : , ! - i 24 24 24 

Duct Dimensions (diameter or Length x Width) I D,LXW i inches i 119.00 I 119.00 I 119.00 

Barometric Pressure 1 Pbar in. Hg i 28.95 I 28.95 ! 28.95 

Stack Static Pressure i Pg in. H2O -D.22 i -D.22 -D.22 

Average Stack Temperature, dry bulb i Tsf , dewees F : 595 

, 580 i 565 I 

Actual Dry Gas Meter Volume ! Vm cubic feet : 33.08 ! 32.96 i 32.27 

Dry Gas Meter Calibration Factor , Y i 0.9886 i 0.9886 \ 0.9886 

Average Orifice Meter Pressure Drop i DH in H2O I 1.06 i 1.05 ! 1.00 

Average Meter Temperature : Tmf I degrees F 1 37 43 i 49 

Pitot Tube Coefficient I Cp i I 0.840 I 0.840 i 0.840 

Average Square Root of Velocity Head (DP)AO.5 , 

- 0.452 i 0.445 0.427 

Volume of Water vaeor Condensed in Imeingers Vwc ml , 0 i ·5 -4 

Mass of Water Vapor Collected in Desiccant VwSg g 7 : 11 7 

Orsat Results, Dry Basis 

Carbon Dioxide i %C02 OfrN/v 0.03 0.03 0.03 

Oxygen , %02 , %vlv 20.9 20.9 , 20.9 

Carbon Monoxide + Nitrogen %vlv 79.1 79.1 79.1 

Nozzle Diameter On in • 0.313 0.313 0.313 

Run Time : theta min 60 60 60 

Particulate Loading 

Dry Catch Mdry 0 0.1687 0.1067 0.1383 

Wet Catch Organic Fraction M org 9 0.0000 I 0.0000 0.0002 

Wet Catch Inorganic Fraction MIO , g 0.0041 0.0019 0.0013 

Total (Dry Catch + Organic Wet Catch) j Mn I 9 : 0.1728 0.1086 0.1398 

Calculated Data I Symbol : Units I Run 1 I Run2 i Run 3 

Average Absolute Stack Temperature (R) i Tsr 

I 

degrees R ! 1055 : 1040 i 1025 I 

Tsr = Tsf + 460 i i I 

Stack Pressure 

i Ps i inHg I 28.93 1 28.93 28.93 

Ps = Pbar + Pg 113.6 I , 

Duct Area ! A i Sq. ft : 77.236 , 77.236 77.236 

A = L xW/144 

Meter Volume at Standard Conditions 

: 

Vmstd i cubic feet 

! 

33.71 : 33.14 i 32.09 

Vmstd = 17.84 x Vm x Y x «Pbar+(DH/13.6))lTmr) i 

Average Moisture Content of Stack Gas , MC % Vol : 0.97 i 0.85 0.44 

MC = «.04707 x Vwc+.' . 04707 x Vwc+.04715'\1wsg) + Nmstd) x 100 i 1 , 

Molecular Weight of Stack Gas, dry Md Ibnbmol 28.84 i 28.84 28.84 

Md = (0.44x(%C02))+(0.32x(%02))+(0.2Bx(%N2+%CO)) , 

Molecular Weight of Stack Gas, wet 

! Ms Ibnbmol 28.73 28.75 28.79 

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

Average Stack Gas Velocity ! Vs ftlsec • 

36.61 I 35.73 , 33.98 

Vs = 85.49 x Cp x (dP)AO.5 x «Tsr/(Ps x Ms))AO.5) i I 

Actual Volumetric Flowrate 

i Qa ! acfm 169,641 165,561 ! 157,463 

Qa = 60 xVs xA i Volumetric Flowrate at Standard Conditions ! Qs scfm ! 82,070 81,251 78,420 

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

Dry Volumetric Flowrate at Standard Conditions 

i 

Qd ! dscfm I 81,274 80,562 78,075 

Qd = Qa x (1-(MC/100)) x (528ITsr) x (Ps/29.92) 

Nozzle Cross-Sectional Area ! An sq. ft i 0.000534 0.000534 0.000534 

An =( 3.14 x DnA2) 1(4 x 144) 

Isokinetic Variation 

1= (0.0945xTsrxVm)f(PsxVsxAn x theta x(1-(MCf100))) ! 

I % 100.0 i 99.2 I 99.1 

Particulate Concentration I 

I 

Dry Catch Cs(dry) = 15.432 x M dry / Vmstd I Cs(dry) I gr/dscf ! 0.0772 0.0497 i 0.0665 

Wet Catch Org Cs(org) = 15.432 x M org I Vmstd I CS(ol]) gr/dscf i 0.0000 0.0000 0.0001 

Wet Catch Inorg Cs(inorg) = 15.432 x M inorg I Vmstd I CS(inorg) ! gr/dscf i 0.0019 I 0,0009 I 0.0006 , 

Total Cs = 15.432 x Mn IVmstd Cs : gr/dscf 0.0791 0,0506 i 0.0672 

Particulate Emissions Rate, Dry Catch Only 

E(lblhr) = Cs(dry) x Qd x 60 17000 Edry ! Iblhr i 53.8 34.3 ! 44.5 

Particulate Emissions Rate, I 

I 

Dry Catch+Organic Wet Catch I 

E(lblhr) = Cs(dry)+Cs (oro) x Qd x 60 17000 ! Edry+org i Iblhr 53.8 34.3 44.6 

Particulate Emissions Rate, 

Dry Catch+Organic Wet Catch+ Inorganic Catch i 

E(lblhr) = Cs x Qd x 60 17000 Etot Iblhr , 55. 34.9 45.0 
ClllIs Natura! Resources In: 

i..Jnne::: Ta.:::mne, L!....:: 

FD~De.s, M nneso\2; 

Barr ::'nglneenn;'l :::0 

Ja~uar.; 2C. 2C1C 

DeI9~rr.!nation o~ VO!u.'T'retri: Alrl!:)w hal;:: Ga.s ::';OrTI.:)DSIt!:J:-', i ... ~ClIS!Ui'e Conten:, ar,d Part!:ulaie :;:m:sSlons 

::p,i., r:19!no:Js r :::,.:,::.. :JTtv',J25 

Average Moisture Content of Sta:k Gas 

t .. ~::: = {(.D4i07 x V'tic+.O~715·Vwsg)I((,O':707 >: v.· .. :::-.O~715·V .. ·:sg, - IVmstj))), iCO 

Molecular Weight of Stack Gas, 0:)' 

t.'id = (O,44x(%:::02)1"'(C.32x(%02)).,..(O.28x!~,oN2-~~::O)) 

Molecular Weigh! oi Stack Gas. we: 

Ms = Md x {1-(M8!10Q)J-18 x (M8/1 00) 

Average Stack Gas Velocity 

Vs = 85,49 x CD x (d?y-o.5 x {(Tsr!(Ps x 1"is)),,{),5\ 

Actual VOiumetri::: Flm'Jr3te 

De = 60 x Vs x A 

Volumetric FJowrate at Standard Conditions 

05 = Oa x (5281(Ts+460)) x (Ps'29.92) 

Dry Volumetric Fio\'o'rate al Standard Conditions 

Qd = Oa x (1-(MCl100)) x (528/Tsrj x (Ps/29.92) 

Nozzle Cross~Sectional Area 

An =( 3.14 x On"2) /(t. x 144) 

lsokinetic Variation 

I::: (O.0945xTsrxVm)!(PsxVsxAn x theta x(i-(t, .. '0100))) 

Particulate Concentration 

Dry Catch Cs(dry) = 15,432 x M dry I Vmstd 

Wet Catch Org Cs(org) = 15.432 x M org,' Vmstd 

Wet Catch !norg CS(inorg) = 15.432 x ~.i inorg" Vms\d 

Tota! Cs =: 15.432 x Mn / Vmstd 

Particulate Emissions Rate, Dry Catch Only 

E(lb!hr) = Cs!dcj) x Dd x 60 17DOO 

Particulate Emissions Rate, 

Dry Catch-+Organi: \'Vet Catch 

E(lb!hr) = CS(dry)+Cs (org) x Od x 6D! 7000 

Particulate Emissions Rate, 

Dry Catch ... Organic Wet Catch-+ Inorganic Catch 

E(lblhr) = Cs x Dd x 60 17000 

t,/.s 

Vs 

Oa 

05 

Od 

An 

Cs(dry) 

Cs!org) 

CS(inorg} 

Cs 

Edry' 

Edry-org I 

:::IO! 

\:)/lbmol 27.72 27.86 27.70 

IUse8 57.33 57.51 57.07 

acfm 405,411 406.698 403.564 

scfm 347,421 347,925 345,294 

dsclm 305,891 310,800 303,292 

sq. It 0.000250 0.000250 0.000250 

% 97.3 96.3 98.8 

gr/dscf 0.0158 0.0099 00131 

grJdscf 0.0001 0.0002 0.0002 

gr/cscf 0.0045 0.0044 0.0063 

gr/dscf 0.0204 0.0145 0.0197 

Ibihr 41.3 264 34.i 

Ib/hr 41.6 26.9 34.7 

lbihr 53.4 36.7 51.2 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

Barr Engineering Co. 

January 26, 2010 

Line 2A Waste Gas Stack (SV048) 

Bias Corrected Reference Method Data and Emissions Calculations 

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

Test Date 12/10109 12/10109 12/10109 

Run Time 1102-1209 1239-1345 1413-1519 

Zero 

Initial 0.1 0.1 0.1 

Final 0.1 0.1 0.1 

Mid Range 

Initial 20.0 20.0 19.9 

Final 20.0 19.9 20.0 

Cal Gas Value 20.0 20.0 20.0 

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

Zero 

Initial 0.0 0.0 0.0 

Final 0.0 0.0 0.0 

Mid Range 

Initial 4.0 4.0 4.0 

Final 4.0 4.0 3.9 

Cal Gas Value 4.0 4.0 4.0 

S02 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

Initial 2.7 4.5 4.2 

Final 4.5 4.2 2.4 

Mid Range 

Initial 260.6 260.0 261.2 

Final 260.0 261.2 261.4 

Cal Gas Value 261.9 261.9 261.9 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 18.1 18.1 18.1 

Average C02, %, dry 2.0 2.0 2.0 

Average S02, ppm 211.6 212.7 212.1 

CO2 %, dry Bias Corrected 2.0 2.0 2.0 

O2 %, dry Bias Corrected 18.1 18.1 18.1 

S02, ppm Bias Corrected 212.3 213.0 212.0 

Airflow Rates * Run 1 Run 2 Run 3 

ACFM 405,411 406,698 403,564 

SCFM 347,421 347,925 345,294 

DSCFM 305,891 310,800 303,292 

Emission Calculations Run 1 Run 2 Run 3 

S02,lb/hr 647.9 660.5 641.5 

I~" 307 304 301 

r IblMM Btu 

S02 I 2.1 2.2 2.1 

* Airflow rates performed dUring Method 5/0TM028 testing 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

EPA Method 7E (12 Pt) 

Stratification test 

Line 2A Waste Gas Stack (SV04S) 

PortA 

Port B 

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

Max read % diff from avg 

Min read % diff from avg 

1 

1 

4 

02 

1S.1 

1S.1 

1S.1 

1S.1 

1S.1 

1S.1 

0.0 

0.0 

O.OS 

0.06 

If < 5 percent sample from mean point in stack 

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

1{>lOperfortn 12points69n eachtraverse· 

C02 

2.0 

2.0 

2.0 

2.0 

2.0 

2.0 

0.0 

0.0 

0.47 

0.72 

Barr Engineering Co. 

January 22, 2010 

502 

209.2 

215.3 

210.1 

211.5 

215.3 

209.2 

3.7 

2.3 

1.77 

1.0S 
Clif!s I~al:';iai n8SCiJfCeS jn,: 

unnec la:::'0:1112, LL: 

roroes. Minnes0i2 

Determina!lon 0: VOI:Jmelfl:': AiriJO'" Ralf:. Ga~ COmOJ51lIor .. i'.~Dlsture ':Cf11en:. anj Pamculale ~m:ssions 

E~A t,,1elnGjS 2, 3 . ..:, 5 :JTM02B 

:....!ne 22 Was!:? Gas Sla:::r, (SVO~; 

Run Time 

?anl::u!a;e Load:ng 

V'Jet Gat.::::n Organl':: Fraello!, 

V·Jet Catch lnorgan::::: ~ra::::lior, 

TCla! (Dl"'j Cat:::n - O~gani:: Vie: C-a:::::n 

!831::UI31ed Data 

)AV8rage AnsDlule Sta>: temOeralUre (;;1 

IS! = lsi - 45C 

S;ao~ Prassure 

Ps = Poar - Pc; 13.5 

Du::t Area 

Meter Volume a: Stanoard CC:loiticns 

VIT';5iO = 17.6': x Vm >: Y x {(?oa, ~(DH!~3,6)LTm~, 

Average tv10isture Cement of 5ta:::.: Gas 

Me", ((.0':707 x V"'.-:::-.O':'715·\!wsgi'i:.O':'iO":'). v' .... -:-.D..:.7~5·VwSC;;·i - (Vms!d)) x 100 

Mo!e:.u:ar Weight of StaSr: Gas. ary 

rAe:::: (0.44x(%C02))+{D.32x(';;02))-{0.2Bxf";!;;N2-~!;;CC'r 

Molecular Weight 0; Stack Gas, wet 

t .. 1s::::: Mo x (1·{M8110·J))-18 x (M::::!10D) 

Average Stack Gas Velocity 

Vs : 85.49 x Cp x {dP)t·O.5 x {(isrl(Ps x Ms)!'-'O 5') 

Actual Vo!umatri: FIO'o';iale 

Qa: 60 x Vs x A 

VOlumetric Flowrate at Standard Conditions 

Os = Qa x (528/(Ts+460») x {Ps/29.92) 

Dry Volumetric F!owrate at Standard Conditl8ns 

Od -= Oa x (1~{MC/10Q) x (528fTsr) x (Ps/29,92) 

Nozzle Cross-Sectional Area 

An =( 3.1~ x 00'2) /I~ x 144) 

IS akinetic Variation 

I", (O.0945xTsrxVm)I(PsxVsx,A.n x theta x(1-(MC.'100))) 

Particulate Concentration 

Dry Catch Cs(dry) = 15.432 x tv~ dry / Vmstd 

Wet Catch Org Cs(org) = 15.432 x tJ1 org I Vrnstd 

WeI Calch Inorg Cs{inorg) -= 15432 x M Inorg IlJmstd 

T ota! Cs =: 15.-43.2 x Mn I Vmstd 

Partk::uJate Emissions Rate, Dry Catch Only 

E(lb!hr) = Cs(dryj x 0:1 x 60 i 7000 

Particulate Emissions Rate, 

Dry Catch+Organic Wet Caten 

E(lb!hr) = Cs(dry).Cs (org) x Od x 6o! 7000 

Particulate ~missions Rate, 

Dry Cateh+Organic Wet Catch ... Inorganic Catch 

E{lb/hr) = Cs x Od x 60 / 7000 

Note: Moisture Content limited to moisture at saturation 

r.:lc 

tJ1r, 

SymDJ, Units 

15- oegrees Po 

Ps : hg 

~. Sq I, 

Vmsid CUD::: lee: 

;,.riC e,;:- Vo 

t/ic l::Jii;)m:;1 

j../:5 iu.'!oma: 

Vs iUse:: 

Oa a:::..irn 

as 1 

setm 

ad os::tm 

An : sq. It 

~,~ 

Cs(dry) grJose! 

C5(org) grfdscf 

I CS(inorg) I grldscf 

Cs gridscf 

Edry lalnr 

Edry.,.ora lornr 

Etat Ib'hr 

0,0290 O.023-! 

;:;un 1 Run 2 

582 57E 

26.81 , 

115.659 ! 116.55& 

-'. 36.35 37.63 

11.20 ! 11.00 

see note 

29.00 29,01 

27,76 27.88 

5~.37 53.9.! 

360,546 3, f,54L 

332,562 332,174 

! 

295,104 295,635 

0.000250 0.000250 

95.0 99.2 

0.0077 0.0057 

0.0001 0.0001 

0.0045 0.0028 

0.0123 0.0096 

19.5 16.9 

19.7 17.3 

31.2 24.3 

0.0287 

Mun S 

579 

~ 16.659 

37.S~ 

see nGle 

27.1( 

5~.25 

379,709 

333.502 

295,763 

0.000250 

99,5 

0.0875 

0.0002 

0.0040 

0.0117 

19.1 

197 

297 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

Barr Engineering Co. 

January 26, 2010 

Line 2B Waste Gas Stack (SV049) 

December 8, 2009 

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

Run Time 1043-1152 1227-1336 1428-1555 

Zero 

Initial 0.1 0.1 0.0 

Final 0.1 0.0 0.0 

Mid Range 

Initial 20.0 20.0 20.0 

Final 20.0 20.0 19.9 

Cal Gas Value 20.0 20.0 20.0 

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

Zero 

Initial 0.0 0.0 0.0 

Final 0.0 0.0 0.1 

Mid Range 

Initial 4.0 4.0 4.0 

Final 4.0 4.0 4.0 

Cal Gas Value 4.0 4.0 4.0 

S02 Calibration, ppm Run 1 Run 2 Run 3 

Zero 

Initial 4.1 3.5 2.2 

Final 3.5 2.2 4.3 

Mid Range 

Initial 255.2 259.8 258.9 

Final 259.8 258.9 260.3 

Cal Gas Value 261.9 261.9 261.9 

Concentration Run 1 Run 2 Run 3 

Average O2 %, dry 18.4 18.5 18.4 

Average C02, %, dry 1.7 1.7 1.7 

Average S02, ppm 143.4 146.4 148.3 

CO2 %, dry Bias Corrected 1.7 1.7 1.7 

O2 %, dry Bias Corrected 18.3 18.5 18.5 

S02, ppm Bias Corrected 144.1 146.5 148.2 

Airflow Rates* Run 1 Run 2 Run 3 

ACFM 380,546 377,544 379,709 

SCFM 332,562 332,174 333,502 

DSCFM 295,104 295,635 295,783 

Emission Calculations Run 1 Run 2 Run 3 

S02,lb/hr 424 432 437 

In. ..... 

Heat Input MMBTU/hr 260 259 261 

Emission Factor Ib/MM Btu 

S02 1.6 1.7 1.7 

*Alrflow rates performed dUring Method 5/0TM028 testmg 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

EPA Method 7E (3 Pt) 

Stratification test 

Line 2B Waste Gas Stack (SV049) 

Point A 

Point B 

Point C 

Average 

Maximum 

Minimum 

IMax-avera~e 

Average-min 

Max read % diff from avg 

Min read % diff from avg 

1 

1 

4 

02 

18.4 

18.3 

18.3 

18 

18.4 

18.3 

0.0 

0.0 

0.27 

0.15 

If < 5 percent sample from mean paint in stack 

If> 5 and < 10 pick 3 paints 16.7, 50 1n 83.7 

If>1 () perforrn12Polnts6oneach.traverse 

C02 

1.7 

1.7 

1.7 

2 

1.7 

1.7 

0.0 

0.0 

1.28 

1.60 

Barr Engineering Co. 

January 22, 2010 

502 

133.6 

146.2 

149.2 

143 

149.2 

133.6 

6.2 

9.4 

4.33 

6.56 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

Barr Engineering Co. 

January 22, 2010 

Determination of Volumetric Airflow Rate, Gas Composition, MOisture Content, and Particulate Emissions 

EPA Methods 2, 3, 4, 5 

Line 1 Kiln Cooler New (SVl16) 

Input Data Svmbol I Units j Run 1 I Run2 Run3 

Test Date , - - 12115/2009 i 12115/2009 • 12115/2009 

Test Period j 

- - 823 - 1032 i 1100 -1428; 1451 - 1654 I 

Number of Sample Ports i - I - 2 2 2 

Number of Traverse Points i I 

- I - i 24 24 24 

Duct Dimensions (diameter or Length x Width) I 

D,LXW i inches I 60.00 . 60.00 60.00 

Barometric Pressure i Pbar in. Hg 28.90 . 28.90 28.90 , 

Stack Static Pressure i Pg : in. H2O I 

I 0.17 0.17 0.17 

Average Stack Temperature, dry bulb Tsf I degrees F i 

I 60 57 57 

Actual Dry Gas Meter Volume ! Vm I cubic feet I 70.94 i 70.88 I I 70.30 ! 

Dry Gas Meter Calibration Factor : y , - ! 0.9886 I 0.9886 0.9886 

Average Orifice Meter Pressure Drop ! DH i in H2O i 1.23 1.22 1.20 

Average Meter Temperature i Tmf r degrees F 36 i 39 43 

Pitot Tube Coefficient I Cp i I 0.840 , 

0.840 • 

- I 0.840 

Average Square Root of Velocity Head ! (DP)'0.5 , - 0.532 0.530 0.523 ! I 

Volume of Water Vapor Condensed in Impingers Vwc ml 4 4 7 

Mass of Water Vapor Collected in Desiccant Vwsg : g 1 20 20 20 

Orsat Results, Dry Basis I, \ 

Carbon Dioxide %C02 %vlv i 0.03 i 0.03 0.03 

Oxygen %02 %v/v 20.9 20.9 . 20.9 

Carbon Monoxide + Nitrogen - j %v/v I 79.1 79.1 79.1 

!Nozzle Diameter i Dn in 0.252 0.252 0.252 

!Run Time theta , 

min 120 120 120 

Particulate Loading : 

Dry Catch i Mdry g 0.0050 0.0045 , 0.0042 

Calculated Data : Symbol Units Run 1 Run 2 Run 3 

Average Absolute Stack Temperature (R) I Tsr degrees R I 520 517 517 

Tsr = Tsf + 460 ! I i 

Stack Pressure j Ps 

! 

in Hg 28.91 28.91 28.91 

Ps = Pbar + Pg 113.6 

Duct Area : A i Sq. ft I 19.635 19.635 19.635 

A= LxW/144 

Meter Volume at Standard Conditions Vmstd cubic feet I 72.26 I 71.76 70.65 

Vmstd = 17.64 x Vm x Y x «Pbar +(DH/13.6))/Tmr) : 

, 

, 

Average Moisture Content of Stack Gas . MC I % Vol 1.54 i 1.55 1.59 I 

MC = «.04707 x Vwc+.04715'Vwsg)/«.04707 x Vwc+.04715'Vwsg) + (Vmstd)) x 100 i see note I 

Molecular Weight of Stack Gas, dry I Md Ib/lbmol 28.84 28.84 28.84 

Md~m i , 

Molecular Weight of Stack Gas, wet Ms j Ib/lbmol 28.67 28.67 28.67 

Ms = Md x (HMC/l00))+18 x (MC/l00) ! • 

Average Stack Gas Velocity : Vs ftlsec 30.27 30.06 29.64 

Vs = 85.49 x Cp x (dP)'0.5 x «Tsr/(Ps x Ms))'0.5) : ; 

Actual Volumetric Flowrate Qa acfm 35,661 35,414 34,921 

Qa =60xVs xA i i , 

Volumetric Flowrate at Standard Conditions , 

Qs -: scfm 

\ 

35,024 34,921 34,447 

Qs ~ Qa x (528/(Ts+460)) x (P~I?!'l !'l?\ 

Dry Volumetric Flowrate at Standard Conditions Qd • 

dscfm ! 34,484 34,379 33,899 

Qd = Qa x (1-(MC/l00)) x (528/Tsr) x (Ps/29.92) i 

Nozzle Cross-Sectional Area An sq. ft 0.000346 0.000346 0.000346 

An =( 3.14 x Dn'2) 1(4 x 144) 

Isokinetic Variation I % , 99.1 98.7 , 98.5 

1= (0.0945xTsrxVm)/(PsxVsxAn x theta x(I-(MC/l00))) 

Particulate Concentration j 

Dry Catch Cs(dry) = 15.432 x M dry I Vmstd Cs(dry) gr/dscf 0.0011 , 0.0010 0.0009 

Particulate Emissions Rate, Dry Catch Only 

E(lb/hr) = Cs(dry) x Qd x 60/7000 Edrv Ib/hr 0.32 0.28 0.27 

Note: Moisture Content limited to moisture at saturation 
Appendix B 

Field Data Sheets 
BARR 

PrClject V.I V'\ (. --:-"~'--'----,;-:-----

Sampls Location L; "'$ \ C V) r LI ~ '1 r 

Dats 1 Z - } \., -.i " 

DDsrators 0\"-1.:.- / A ff 

Due: Dimensions J I '1 . u inches 

Port Length 1'2. i-C incnes 

Plio: Tubs No. S .-J Cp ().'\, 'f 

Manomste:' 10 C - f 8ar. 10 V l"l( 

Digitai Them: 10 C - 1 T.C. 10 5" _ :) . 

Traverse Point Iniormation Cyclonic 

Point Inches From: Fiovi Run i 

Number \i-/aii I POri /£:' \p 

PI-lit (~ 2,)~ f\',I.'6 ( 

If; f 1·9"1- 7\1·+1- I 

~ l~ ~ I . I \L-j.G Iv 110.'1>\ 0 

Y 11 3) i '21.~ ~ I 33.{i I 

\ r 119J.cl'Ii..S,," 2.. 

~ \t I q1.~ 'L I \),'-1- 1...-

& - (Cl; \ I I 1.. 

Lf I 

~ ~, I 0 

i ~\ I C 

.r""4 I D 

\. t I 7 

c.-\\} I I 

l. \ I I 

1. ...; J I I 

'1 ) I o~ I 

l..- I' I I 

0- I ~ I I 

1. r I 

) Yl I ~ )\ I 

r---t 

~ (/ 

Schematic oi Duct Cross-Section 

EPA METHOD 2 

FIELD DATA SHEET 

I RUr1 i 

I,iois: :;omem - c., I 

PilOI LS2k CnscL Positive: 

Velocity Head - inches HoO 

I Rur; 2: I riU~i 2 

I 

Run 4 

I ,\? I \f=' ,\p I I I I 

I I 

i I I I I 

I I I I ! 

I I I 

I ! 

I j 

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 

1 I I 

I 

I I I 

I 1 

I I , ! 

I I 

I I I 

I I I 

I I 

I I 

I I 

I 

... Run 1 

Stack Pres. - In Hg I 

Duct Area - Sq Ft. I 

Mole Weight - Md 

Mole Weight - Ms 

Avg. TemD. - OF 

Average~ I 

Gas Vel- FtlSee 

ACFM 

SCFM 

DSCFM 

Ru;; 2 Run 3 Run ~ 

I 

() ~c.... hJsgaiive: 

Stack Temperature - of 

Run 1 

I 

Run 2 

I 

RU~13 Hun L 

lam:J. Tame. Temo. Temo. 

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 1 I I 

I I I 

I I 

I 

! , I 

I 

I I 

I 

I 

I 

I 

I Run 2 Run 3 Run 4 

I I 

I 

I 

I 

I 
Barr EPA METHOD 5 - FIELD DATA SHEET - RUN 1 

Engineering Company 

Project Cliffs Natural Resources Inc. Train C-1, S-1, P-6 Pitot Tube No. 5-3 ______________ ~p~~1Q Sample Train Leak Rate, cfm: 

SampJe_Location$\l047 Line 1 Pellet Cooler EJ<haust Meter Y 0.9986 Bar.Press. 28.95 in. Hg Pretest 0.000 at 10 in. Hg 

Date 12/16/09 Test 1 Run # 1 Orifice H@ 1.9163 Stat Press. -0.22 in. H20 Posttest 0.000 at 7 in. H 

Operators DJKlAPP Probe Lenqth 5 ft. Probe Liner Tvpe: 1 Inconel 10ther 

Sample 

Point 

Start Time 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

14 

15 

16 

17 

18 

19 

20 

21 

22 

23 

24 

End Time 

RunTime 

Sample 

Time 

DT 

0819 

2.5 

5.0 

7.5 

10.0 

12.5 

15.0 

17.5 

20.0 

22.5 

25.0 

27.5 

30.0 

32.5 

35.0 

37.5 

40.0 

42.5 

45.0 

47.5 

50.0 

52.5 

55.0 

57.5 

60.0 

0933 

60 

Integrated Gas Sampling Data: 

Box No. NA 

Actual 

Meter Vol 

Vm,ft3 

225.63 

227.12 

228.70 

230.20 

231.75 

233.13 

234.58 

235.62 

236.98 

238.10 

239.18 

240.21 

241.20 

242.60 

244.10 

245.77 

247.42 

249.02 

250.51 

252.00 

253.38 

254.80 

256.13 

257.47 

258.71 

Velocity 

Head DP, 

in. H20 

Orifice 

DH 

in. H20 

. ::::::::::':::::::::'J:::':::: ::::. ::::::' 

0.220 1.16 

0.250 1.25 

0.260 1.33 

0.290 1.35 

0.200 1.03 

0.220 1.10 

0.140 0.75 

0.140 0.76 

0.120 0.66 

0.110 0.63 

0.100 0.56 

0.100 0.57 

0.220 1.16 

0.280 1.35 

0.340 1.53 

0.360 1.62 

0.300 1.38 

0.280 1.35 

0.230 1.14 

0.220 1.10 

0.190 1.03 

0.190 1.05 

0.160 0.89 

0.150 0.79 

AI/gDH- 1.06 

Leak Rate NA cclmin 

Ideal 

Point 

Volume 

Vm,ft" 

:::::::':,::::::::::::1::: 

1.43 

1.49 

1.54 

1.55 

1.35 

1.40 

1.15 

1.16 

1.09 

1.06 

1.00 

1.01 

1.44 

1.55 

1.65 

1.70 

1.57 

1.56 

1.43 

1.41 

1.36 

1.38 

1.27 

1.19 

Ideal 

Meter Vol 

Vm,ft3 

227.06 

228.55 

230.09 

231.64 

232.99 

234.39 

235.54 

236.70 

237.79 

238.85 

239.85 

240.86 

242.30 

243.85 

245.50 

247.21 

248.78 

250.33 

251.76 

253.17 

254.52 

255.90 

257.17 

258.36 

,:,:,:,:,:,:, ,:~ ~:':'I>::=:::'."" 

404232 

Sample 

Train 

Vacuum 

in. Hg 

:: :::::::: :::'::j::'y,y, . 

Stack 

Temp 

Ts:F 

'::: ;:::::: 

565 

620 

599 

702 

590 

620 

550 

538 

522 

477 

511 

480 

565 

666 

746 

749 

718 

667 

640 

624 

546 

518 

512 

565 

Sample Train Temperatures. OOF 

Filter Probe Impinger Meter 

Outlet Inlet 

:;:;:;:::: ·:::::::::::::::::::::I:::::::::::::::::::::::=t:::::::. 

35 

38 

36 

35 

36 

36 

36 

37 

37 

37 

37 

37 

38 

39 

40 

40 

40 

40 

40 

40 

40 

40 

40 

41 

::!Avg Ts- 595.42 I,::: ::::::::::: ::: A~ ~" ~< »>1 ::;,,:,:,:,: ....... . IAvgTmMOISTURE RECOVERY DATA: 

:::" 

Meter 

Outlet 

::::: :nT:'" 

33 

33 

34 

34 

34 

34 

34 

35 

35 

35 

35 

35 

36 

36 

36 

36 

37 

37 

37 

37 

37 

37 

37 

38 

Oxygen 

Content, 

% 

20.9 

36.81 I:::,~,~::,:::::::"· 

Impinger 1 2 3 4 Desiccant Total 

;:;: 

Bag No. 

Bag Vol. 

NA O2 Reading NA % 

Filter No. 

Nozzle No. 

Nozzle Dn. 

3-10 Final wi., g 92 108 100 0 1050::::::: >: :::::::::. 

NA O2 Analyzer No NA 0.313 Initial wi., g 100 100 100 0 1043 ;::::::::::::::/HH 

Difference -8 8 0 0 7 7 
Barr EPA METHOD 5 - FIELD DATA SHEET - RUN 2 

Engineering Company 

Project Cliffs Natural Resources Inc. Train C-1, 5-1, P-6 Pitot Tube No. 5-3 Cp 0.840 Sample Train Leak Rate, cfm: 

Sample Location SV047 Line 1 Pellet Cooler Exhaust Meter Y 0.9986 Bar.Press. 28.95 in. Hg Pretest 0.000 at 10 in. Hg 

Date 12/16/09 Test 1 Run # 2 Orifice H@ 1.9163 Stat Press. -0.22 in. H20 Posllest 0.000 at 7 in. H 

Operators DJKlAPP Probe Lenoth 5 fl. Probe Liner Tvpe: I Inconel I Other 

Sample Ideal Sample Oxygen 

Sample Time Actual Velocity Orifice Point Ideal Train Stack Sample Train Temperatures of Content, 

Point DT Meter Vol Head DP, DH Volume Meter Vol Vacuum Temp Filter Probe Impinger Meter Meter % 

Vm,fl3 in. H2O in. H2O Vm, fI' Vm,fl3 in. Hg Ts:F Outlet Inlet Outlet 

Start Time 1019 259.01 .;.: ::::::::;::.:. ::;:;:::::: .::::. ::::: : ,. :.:: ..... ::::::::::::::::: ,,<:::: ';::::::::. '<: :::;:; :;:;:; ::: ::: ::;:::: :::::: ::;: :::::. ... ;.:::::::::::: :':': ;",":-." :::;: ::::.:::'::. : .:::::: ::::::;:;::::::::::: 

1 2.5 260.12 0.110 0.68 1.11 260.12 410 39 38 20.9 

2 5.0 261.40 0.130 0.76 1.17 261.29 460 39 38 

3 7.5 262.44 0.120 0.66 1.08 262.37 526 40 39 

4 10.0 263.55 0.110 0.61 1.05 263.42 512 40 39 

5 12.5 264.59 0.100 0.58 1.02 264.44 478 41 39 

6 15.0 265.63 0.100 0.57 1.01 265.45 488 42 40 

7 17.5 266.97 0.190 0.99 1.34 266.79 575 43 41 

8 20.0 268.40 0.200 1.01 1.35 268.14 610 43 41 

9 22.5 269.75 0.220 1.11 1.42 269.56 611 44 41 

10 25.0 271.10 0.170 0.92 1.29 270.85 542 45 41 

11 27.5 272.40 0.160 0.92 1.29 272.14 489 45 42 

12 30.0 273.73 0.180 1.06 1.38 273.52 467 45 42 

13 32.5 275.30 0.270 1.41 1.60 275.12 580 45 42 

14 35.0 276.92 0.280 1.40 1.59 276.72 626 46 43 

15 37.5 278.57 0.330 1.57 1.69 278.40 688 47 43 

16 40.0 280.21 0.340 1.61 1.71 280.12 691 47 43 

17 42.5 281.80 0.310 1.37 1.58 281.69 776 48 44 

18 45.0 283.35 0.270 1.22 1.49 283.18 754 48 44 

19 47.5 284.78 0.190 1.05 1.38 284.57 530 48 44 

20 50.0 286.23 0.230 1.20 1.48 286.04 590 48 45 

21 52.5 287.71 0.240 1.18 1.47 287.51 654 48 45 

22 55.0 289.12 0.220 1.09 1.41 288.92 647 49 45 

23 57.5 290.57 0.220 1.10 1.42 290.34 634 49 45 

24 60.0 291.97 0.210 1.09 1.41 291.75 592 49 45 

End Time 1126 

RunTime 60 AVQ DH= 1.05 : ~ : ~ : ~ : ~ : ; : ::~:~:~:~ ~:j:j:~:!:~:~: Avq Ts= 580.42 :;:;:;:;:;: :>' ;:;:::: " <.):~ ::::~: : : ' : : : .: :::::::: : ~ : ~ AvgTm= 43.48 nn: :~:~:~ ):):~:: 

Integrated Gas Sampling Data: MOISTURE RECOVERY DATA: 

Box No. NA Leak Rate NA cclmin Filter No. 404233 Impinger 1 2 3 4 Desiccant Total 

Bag No. NA O2 Reading NA % Nozzle No. 3-10 Final wi., g 93 102 100 0 1061 ::::::::::> .:.;.:.'.' 

Bag Vol. NA O2 Analyzer No NA Nozzle Dn. 0.313 Initial wi., g 100 100 100 0 1050 1/ 

Difference -7 2 0 0 11 6 
Barr EPA METHOD 5 - FIELD DATA SHEET - RUN 3 

Engineering Company 

Project Cliffs Natural Resources Inc. IrainC--1,-S-1, P-6 Pitot ItllJl3 No. 5-3 0.84L_ Sample Trainl.E!£lKB£lte, cfm: 

Sample Location SV047 Line 1 Pellet Cooler Exhaust Meter Y 0.9986 Bar.Press. 28.95 in. Hg Pretest 0.000 at 10 in. Hg 

Date 12/16/09 Test 1 Run tI 3 Orifice H@ 1.9163 Stat Press. -0.22 in. H20 Posttest 0.000 at 7 in. H 

Ooerators DJKlAPP Probe LenQth 5 ft. Probe Liner Tvpe: 1 Inconel 1 Other 

Sample 

Point 

Start Time 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

14 

15 

16 

17 

18 

19 

20 

21 

22 

23 

24 

Sample 

Time 

DT 

1156 

2.5 

5.0 

7.5 

10.0 

12.5 

15.0 

17.5 

20.0 

22.5 

25.0 

27.5 

30.0 

32.5 

35.0 

37.5 

40.0 

42.5 

45.0 

47.5 

50.0 

52.5 

55.0 

57.5 

60.0 

End Time 11302 

RunTime 60 

Integrated Gas Sampling Data. 

Box No. NA 

Bag No. NA 

Bag Vol. NA 

Actual 

Meter Vol 

Vm,ft3 

Velocity 

Head DP, 

in. H20 

Orifice 

DH 

in. H20 

Ideal 

Point 

Volume 

Vm,ft' 

Ideal 

Meter Vol 

Vm,ft3 

Sample 

Train 

Vacuum 

in. Hg 

292.26 ::;: :::: ":~:::::::,,:,:, """",:t:",:::: ;.: ><,'1:,:,:,:, ::::1:::,,:,,:::::;. 

293.65 0.190 

295.20 0.250 

296.71 0.210 

298.22 0.260 

299.89 0.310 

301.37 0.220 

302.78 0.200 

304.42 0.330 

306.18 0.320 

307.72 0.340 

309.31 0.310 

310.89 0.280 

312.20 0.160 

313.47 0.160 

314.72 0.130 

315.97 0.150 

317.20 0.130 

318.28 0.110 

319.40 0.120 

320.52 0.100 

321.60 0.090 

322.59 0.080 

323.60 0.090 

324.53 0.070 

Avg DHLeak Rate NA 

O2 Reading ~ 

O2 Analyzer No NA 

1.00 1.36 

1.31 1.54 

1.20 1.48 

1.36 1.57 

1.51 1.66 

1.17 1.47 

1.11 1.43 

1.59 1.71 

1.48 1.65 

1.47 1.64 

1.39 1.60 

1.37 1.58 

0.88 1.27 

0.85 1.25 

0.76 1.18 

0.88 1.27 

0.77 1.19 

0.65 1.09 

0.69 1.13 

0.59 1.04 

0.54 0.99 

0.49 0.95 

0.53 0.99 

0.41 0.87 

1.00 

cclmin 

% 

:)~~:~:~:~: 

Filter No. 

Nozzle No. 

Nozzle Dn. 

293.62 

295.16 

296.64 

298.21 

299.87 

301.34 

302.76 

304.47 

306.12 

307.76 

309.35 

310.94 

312.20 

313.45 

314.64 

315.91 

317.09 

318.18 

319.31 

320.35 

321.35 

322.30 

323.29 

324.16 

d< ::, .... <: ,:;:;IAvg Ts404234 

3-10 

0.313 

Stack 

Temp 

TS,oF 

Filter 

Sampi13 J:rairLTemperatures. of 

Probe Impinger Meter 

Outlet Inlet -.:.; ::!::;;-.-. "T=::T:::I,:"""""":"::,:,,,I,:,,,:,:,,;:,:,::::. ,::::: .. , ::',<,: ,:1,: 

585 47 

590 48 

505 48 

593 48 

667 49 

571 49 

529 49 

679 50 

730 50 

816 51 

773 50 

664 51 

547 51 

578 51 

478 52 

485 51 

477 51 

472 51 

496 51 

474 51 

462 51 

440 52 

474 52 

481 52 

565.25 ",::::l;:::: :":"'" ::: :,:, ':':',',>JAvg TmMOISTURE RECOVERY DATA: 

Meter 

Outlet 

46 

46 

46 

46 

47 

47 

47 

47 

48 

48 

47 

48 

48 

48 

48 

49 

49 

48 

49 

49 

49 

49 

49 

50 

49.04 

Oxygen 

Content, 

% 

:;:;:; 

20.9 

-<:>-

Impinger 1 2 3 4 Desiccant Total 

Final wt., g 92 104 100 0 1068:' »»>1 

Initial wt., 9 100 100 100 0 1061 :1 

Difference -8 4 0 0 7 3 
BARR --

Project \A\/1c 

EPA METHOD 5 

FIELD DATA SHEET 

Mele!y u.qSyl Rm, - - Pies 2~,1\), III I-In 

Saml:Jie tJaill '=~~\flatfiJ~f!lIL ________ 

nUll 1 j n'02 

Smpl Lac L i v'h- I C0'::, 5 u t:.'/ ':;-Tesl No, RUlls 1, 2 "'II Cii> 1.(,111a'~ Sin!. Pres 'l'l. L L 111 H2O Prelcsl t:.·u at r"" in Ilg Protest 6 01 /0 in I If] 

Cp 0,8>- Prohn Lllqtll _ s::.-=f! Posttost \J ,0 at -1= ------'1--- Pitot No, ,5~~3 __ Date , Z '\ \0. - 'C('~ in Ilg Posttest L1 ,(,) at in Ilg 

Operator ~L )~(P CM_I_ SM -',- P _b_ Lillnr Ty!'n: I:'IGlnss [IS.8, "~Oliler :lI-L, Pilut (3 itL) Pas, ~>J, I2r Pitot (3 ill,) Pus, ~Q, d-- ,. 

TEST nUN I ----. . -_._- .- - . .-.- ----._- - _ .. _. __ .. _._ .. . .. _ .. _- - - ~~.-

. _ .. _- _ .. --- TEST nUN 2 

Sample Sample Moter Velocity Orifice Tlnin Stael( Sample Train TOIIIIl, "I' Mf!Wr Meter Meter Volocity Griner Trnin Sinel, __ ~~~~I!,lnl"_"I'_' _ Meter Mp.lpr 

Point Time Volul11e AP, "'1-1, Vnctllun T0I11I', hnpnqr Inlnt Onllet VOhllllP. AI', (\1-1, Vacuttrl' Tmop. hllpngr Inlel OulI,,1 

liT Vm, fl" in 1-1,0 in 1-1,,0 in, I fg Te, "I' Plolm riller Oullol Temp, ''I' TOIllP, "I' Vm, II' in 1-1:,0 in 11,,0 ill. I-Ig Ts, T rlObp. nUn! Ollllel rpl1l(J, "F lelllp, 'I' 

1. C') .1.1. --- --- Z.5'lD\ --- s1~-'- -3\" .- --- .. - ---- ------ ----- ----~ ------ -~---.----- ---_._--

(-1- \0 l.)~ 7..zt-Jl U.l."L ..J.l G, '7,.0 (\c.,- 'l ~ c'l -z. y( 3~3>_ <l:Ji,I_~ ~II- .ll~~_ __ I_'L,_ "110 1.. 'f l -Zr'L 'It:> _.2~ ___ 3" __ j' 0' /v U~.1:D 0,2.), ,.ll§- 1,.<> 6'1.'0 ?~J!~ jL~ SOl, 3_~ __ , _2~ (to VI c> \J,J 3 _u'l~_ 1.;- -}(.. l) l/'!L .:!~rL_ ,-- 'I 'f' 

--- ---- _3_L .LlL __ ------- ,-------- ~( 1- 1 { 1.1O:~0 D·2!..o J.3) 2.-:> 5"(11' 'Z y~, "tY/ f'Y _.3J9 3 Y 7b2.Y~ ~..h. _o±~ /'S S'l.~ "LVi .!:LL ---- l{ '1 I.JD 3~_ 

'} ,o;D Z3U5' 0, ~ '\ ,.')) 2..<)_ ...JCl'L '2. V 2> 7,., Y'2 52... 3, 3V 't(oJSL ,.11.'..1-1_ 0~ ,·r 511 z,y L -----!::Ji __ s'L '-/(:, 3~ 

1.. \ /..,.;~ Z»./J o·(,u 1.0 :, '2.=> 5-11<.:0. 21..<6 '2 '1/ -/'!- 3(.0 Jy l.I..V.\(\ 0.\1>.. o·r'6 -,.:.J_ 'nl~ 1...'12- 7.y / 5'3 lIt 3"1 __ -------- 1l,\1:r --- 0.)1-- v/?'b---- --- \ )\-;0 Uy,('(, ().t"L 1.1" 1. ." 61..'" 1.'1" 'l'31 '/6 ~- 3'( _\;l.t u Y-r- 'z.}, ( _tJ..-L --.I3_ '-It. If" 

lID . 3Y ·~":fD·~l --=-._---

J:I'l._ ):t,) z..»,~?.. 1),lt 0.15" u_ ~-5t\ 7..- 'II '2. yz ~..k __ _~~1_ -Q,j~- ..1.-_..\_'_ .;:1) '7.. ,( ( ,,- Y L S''6 YJ ~L_ 31,-- ---- TYL---,-,--5,-7-_ ----

) '20 .0 Z3bfl \{, 6·\'( C:'\t.o /,r 5 ~~ ';:. V<1 'l. If 1_ 3 1- Jf' I 10'/,.'/0 0,(" 

-,-~\- "Z .C\ 10/\\ -'L·Y L t13 __ l,IL_ -----

::!~I;'- '1..VT- -2.'1",- --Vy '( 7. '1. .)'- 1.}8,1l:> u,I'L () . to\.,;, <).,5 su, 1.. 1'1 Z' Y7_ .>6 LI::_ ---'3 ~ - 16j:\.) _~.L \.11 /....0. ,---- -,~ YL_ 

:, 'l.fp ;),1.1/ ~J_ ~12L I,)~ '11- \' '1., vy 1.-1/ ( L~ _:u- S'l 'l.1-IJ U ~., 1- \) ·(11.. Z.,\ SYL 7.- l{ ( '-'ly c.- SS- - ';/j=--- .:!L_ "L-,,- --~ ~2., If(--,----'[<0 1.. 'n-,\ Z'j:::.;L.\ 6,h9 b . .}-l /' )~ S'II l yz- 1..v( )V-Y-- )1- .J )-- FI?,q, ~?!.. b. c11. l..f'L tfr V'L 

Vyu 3) ~l'n'3 Cl, )6 _t,o\c, L .~, '1fv -:J- , ---------.y<.= I -'1,1:> ... , v211:t <::> 0::.. \ C> 'II, \''''1- I,) 7..-y I.... -z.. Y I '3 :j- 1.-v L 'Lit '-_ J--'~ ..!IS3'(5 41-\'.3 0 ---- ---

-G-!P--~ 'lVL.\n<:::> (:, ,'l:z.. /./I..e> t . ..:> \-1.0) ~ y ( 1,~ L n 5\" o.1..lo -,,'1 I '2.{" S1(u '7..Lf1.. l..YL 53 vr Vz. -,-------

-:1-.3 S'r' 1Y'(,10 0,2. 'Y) /,:5 j~' 2,...l .J::kl:. 7_ I{ { 1.,..VL 5 t

L )'1_ ...L~ l:j\!')HL o,L'6 /.c.f'U 1..\ (,,1.6 L~L L,YI <f"Y Y6 >'> 

----4- J:)-') rz. '/o:t.'\- \5 ,'!;y 1.5) 7..~- '1' 'Il.n '7r </ ( ·t, V-I.. 55 'Ie:, ~Io_ l'W, ;1- <J.TJ ,.)1- j,.J fo~y; 1/ Y L ~ S'1 J...l.... 'yJ 

~ '/,=>,0 7,(1-." L f:. .~!o 1.1"."l.. t.e :} \./"- ?-V~, 1_Vz" .>3 '10 :>6 1. '0(", 'l.. I ~':L /,I", \ J.e:> \d\ \ "\.'/L '1.. VI SJ If t- V] 

'I. VCI.:o.[ ---- 1. '(\."6-' 1.31- --- '111:' - --- '1- l/UI' D.'>'\:) ),s '6 l..\ ')'I'~- 'l. YL '1-'I[L ...D_ fit':>. 

-~ U:S J > . .::. /...'/L 'L y'(, ...:! <,-- --~~- tt_ --- -,-- --- \ 'l r·'> ,..l.S'b.':;) 6.li 1. ~) 1.) Io\'r 1..YL "1.. 1ft -~ "" 11-__ Z:Ii)."'( . U .1:1- 1·1.. L- .1:,\"'_ _1<>i 'l. y", 1..YL_ S) 'f'i L/L __ ---- --_. ------~ 

O-~ '/1.) 7.&1..,""'':> ~ .-[~ I.I Lf to' '" In 'I '" 'L1( '1.-y 2.. \/~ // " 31- l'll'1.':\.l( ~L_ I,':' )' 1.( )1~ 7- Y ( "l.Y'l.. V~ Y)? 'fy 

z)~Yi to "/. ~I 'I~ ('6\' .13 ---, -v?j--------- ') 50.0 Q.?'L I,ID .. '1/1/1 2..y,- ,/u ..J3:: D .l"~ '.LO 'l,r sri'> 'Ut '1_ V L V>6 'IS' L.'":> ,- Z('/,ij':::' ~ ,I c\ L~ ") (.0 _.51( J.., t3~ '1.'1'1- 'I)=--- 'jc\ 3'1- 1-131:11 -.::,. "'L1 -

_L!1 __ 1.,~_ 10\"( -''-Y7-- 1..(L '-'91\- _ ~/t._ y)- -'j .'S 1..,1 ---zy L- -~ -------

') ~f? (5"'.15 (:, • \ <\. I ,<::::' ') , z. -, SI"i\ zn 7... ~I ( L/l. '/" Jr' ~~ D:'t L ~'1.. ..3~:I by 7' "l. Yf 'f1 '/ r- .-

ul. "11 ---- -----vtj '7- '11'- ~''1' \ ,~ ,\~, '\)"6<\ 1-) 51'L "/. 'f ~l- '1.. vel '13 " u 3et z.e\oS' 0.1.. ""L I.fa 1.\ b3Y "/.YL 7.. V / V:f" 

V.'\) u"d':+1 0" I ~ .. ,:).1'(\ 5\0'1 ~ -n-' 7_QI,'lj-, ~CL - 1,6 '\ l''f---. ( "r ~Yl- .( 1- ~t I 1..\ 51L 1- Y<::. 'LVL ---£'=--- 'fJ- -------- 0= VI~~3 .~O b.'L\ (~i:i= I.~ \. rn=S'15,Yl. _,_ ,,_li',J~J 1.51iL '\t" " O;,(u ;"ihl,u', r~=.rrl.v l ' .;:.i:·,~.;i; TIII'I),V'(' - _.- ---. ,- - .- _ .. -- ---- -- -- ~- --- --

Illitializatioll Vnlues Test Run Till1es Of I SliT Syslelll Sample Train CO!!lp(]fle~ lIir rlows '---r-----

!vIeler OXYDen MolslllrF:! r:f~1I !lill • O~ 

I'lozzic Calibratioll 

Tecll, i'J:f \f-, DaleII-lb~ 

Tomp Conlrmt COlltent Slilll Tillie Elld Time Box foIo, 11G[J No, nn[J Vol al IS ill I-Ig Remlilln Filler flo, Nozzle No, Nozzle Dil IICFM DSCFM Nozzle No, '5 _ I U 3t- ""'<1 o,~ \)i\~ Ofr")'- ---- nUll 1 ""Yl}1~ (),) I~ Tb'\ )u"b 3:::.t? ----~ _~l~l~ nUll ~~ 3 ]1::..,,\ a ,t\\o I\)\(C 1\<-1.0 '/tlo/l}} 11 - /0 <::::',1/ IlcJl'lH ){\\·St.\;, 

1 ~.11"L 

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IIll~inger 1 2 3 De~;icca!lt Tolal 

Finnl wI" q ,\'L 1<::"-1, lei'" I\)\' 0 

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ViSiBLE EfvilSSIONS OBSERV,4TION FORf\11 

I ,'-': ' =acI'i'y f,,,,",· , I,.. /: ; \,'\"i (. to' i {i": +-

i Stree: .~.=Gr=5: 

, 

!-- - -- -"-

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uEs:rbe =:7:i~s::ms 

Star: ; ·~t (t..:~J' 

::1011SsiJilS CO)D~ 

Slart .:"~.\ ..... it:" ::nd 

Source Layout Sketch 

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Dra'.'.' Nc:1:1 .::",;':$.' 

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I Dale 
BARR 

EPA METHOD 2 

FIELD DATA SHEET Ii', = ... ":" 

I i_-:I~::-I~,-:~:~_rs_e_p-,-oi_nt_ln_~~lo::_~~_:~-=lt~,-~~-:-!:-, -I C~~~~.::'c 1-:::-_, .,-, :-VC:-"!IO_C:=-,;~t~,-r:~ H ___ ,~_aC1, I' --;::!~1_! ~j-;_-I~::-S -,'H:,--O :=-:_~_I~.! -:-:. -l---=~-. ,._-:.--;-St-:a~=-.~.~_;;-i ___ ~n-'-lP:-e-;::r~::-:~:-:~:::---: _~F:-:::-:-~~_::_.--;--.:---j 

liu~~:)er i '/:2., i ==::.: ':-, Te:~',,'.! !'ccr!:, I''':''':!.' !e:::~. 

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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 I Run 2 I Run 3 I Run 4 

Stack Pres. - In Hg I I I I 

DUCl Area - So Ft. I I I 

iviole Weight - !vid I I 

lviole Weight -!vis I I 

Avg. Temp. - QF I I Average~ I I 

Gas Vel - FtJSee I I 

ACFIvi I I 

SCFivi I I 

DSCFivi I I 

Senematie of Duct Cross-Seelion 
Barr EPI\ METHOD 5 - FIELD OI\TI\ SHEET - RUN 1 

Engineering Company 

Project Cliffs Natural Resources Inc. Train C-I, S-I, P-G Pitot Tube No. 5·2 

Sample Location SV040 Line 2A Waste Gas Stacl\ Meter Y 0.9986 . 

. ____ . __ ~P 0.B'IO __ . ________ 2B':!.'I)le 1Iain.1"al\ .fl.'!I.~LC!'II' __ ._ ... _ .. __ ._ Bar.Pless. 2[U() ill. Hq PJetest 0.000 at .. 10 ill. IllL ... __ .. _ 

Date 12/10109 Test I Run II 1 Orifice H@ UJtG3 Stat Press. -0.4 ill. H2U Posttest 0.000 at 8 ill. I:!y ___ _ 

Operators DJI<JTYL Probe Lenglll 5 It. Plobe Lille!.lY.pe:L._Q.IQ§~ __ L __ .... 10tilol 

Sumple 

Sample Time 

Point OT 

Start Time 1102 

I\ctual 

Meter Vol 

Vrn, ft3 

095.00 

Velocity 

I-lead DP, 

in. H,O 

Olifice 

DH 

ill. H"O 

Idaal S<lInph~ 

roillt Irlfml TI<lill Stacl\ 

Volurne Maim Vol VnCUl!11l Telllp '"111"1 

VITI, ft" VIII, ft3 ill. Ilg TS,T 

=,-__ ,-__ Sallll?!£ lraill Tel1lperatl:!!~~. _______ . ____ . 

Probe 1 illIpi!lqe~ MDt!"! I I Melf:'I 

Oullet I 11l1"t Oull,,1 

-------- 1 5.0 898.17 

2 10.0 901.32 

--4-3 --1. 150 

20.0 

-~--!~~--!~~\- ~V(.qO 0.850 }r~ -~\--~~1~=== .. =~tt==~~:=== ~~t~·~·~~~· ~~~~=:~:~~-.=~==.:-~.~: ::~ .. ~:-~~.=~~= .. 5 25.0 910.69 1.31 "i\2--. 91 0.70 .. -. --.--;----.. ·--123" . -.--.;-.. --.. -----,-.-- .. - --.--.. : .... -

OXV~1E'11 

COI1II?I1I, 

n;, 

.I.BL_ 

1 G 1 30.0 913.60 

~ 35.0 916.93 

40.0 920.45 

115,0 923.81 

10 50.0 927.17 

0.81_0 __ 

0.690 ----1-13--· 

0.960 1.57 

0.990 I.GO 

0.850 1.40 0.95-0--~ 

~I 'CO el~~~l!~~;;~if~::~;~;_~-:~;:~' 3.~O 927.07 ' 120 ' , ,-'. 

___ 1_1 ___ 55.0 930.42 

12 60'" (Yl'lr..7 

0.9-10--' -1A7 

0.840 1.36 

3:30-- l130.:J7-·· -.-,-'-- ··--·12B--···-·--,-----·---,-·-·-- .-....... ;---.... . 

__ ......!-=-___ I-_-== __ I_-'=""-' __ I----"'=-v __ 1 1_..JjS··-::: ~~:=.g3~j5 -.... ===~_:-:.:.._= =:::~i27.~::: ... _ :=.-:-.=~.=~ ==: .. -:-== __ . __ ._ .. __ -----1--------1-----1 1-··---+----·-1 ··-1----·--1----·----1---·-·-1-·-·-·----1-·------·-1-·-........ -....... - ··_---_····_-1----·---1·-----·_·1--···_· 

-----1-----1-----1 1---···-1------·--1-·--···----1-------·· 1-----····---·1·--··_·_-_···_·-1·---·-_···- 1--·---+-'" .... -.--.... _.-

1---'-1 1--·--·1········--· ········--·1·-··-·-·--·-_· ····-1···---··· __ ·• 

------- .. __ ......... -.......... _ ..__ .+_. .. ---.. -~-... ··--·1--····_······ f-·------·I----·--··---1----···-·----·1-·-····---··-+-.--.--.--.--.- .- .--.--•. - - i· 

1-····-_·_·_· 1··_·_·_·_-·-··-1·--·---- --._ .. -. 

1---------1------------·1------1-----1--·- 1-" .... -.. --.- ·1-----·····_··-1·--·---··--1-··----·-1---·--+-.-----.. 

I~~J~~;::~: 1

1209 601 IAV9DH= 1.40 1----1~9TS=-=l= 1;~.17-·1=======1===--=---1===~1=·---··--1---... -.-.... 1.--. 45.38 

in1egrated Gas Sampling Dala. 

Box No. NA 

Bag No NI\ 

Leal< Rate 

0, Reading 

NA cc/min 

NI\ % 

Bag Vol. ______ Nil O2 Analyzer No. ___ NA ~ __ 

Filter No. 

Nozzle No. 

Nozzle Dn. 

~0~225 .------- ~1-7 

0.214 

MOISTURE RECOVERY DI\TA 

Irflninnr.lr I I'~ "--"':~'----+--':"""--I""""==:;;:':':'--+--':":;':;:';"'--1 Fil1nl VI/I., q 

Illilialwl.. (J 

Difference 

o [) 1023 
Barr EPA METHOD 5 - FIELD D/\TA SIIEH - nUN 2 

Engineering Company 

Projeci Cliffs Nalural Resources Inc. Train C-1, S-I, r-G rillll.J-"'JBJ'l~ ___ ~? __ . ________ . ___________ . _Cp_ 0.!l4Q. _____ . __ . _____________ ..... _§_"1lIEi<'l..J:.Iili.11.1,,,ni<_fl'CiI'!, __ cfrl'--___ _ 

Sample Localion SV048 Lino 2A Waste Gas Slack Melel Y ___ 0.99fJG _________________ J3--'-l!.-Ple"'ic-___ 2.!L~ __ irlJ:!g __ . __________ ---'-'rBJ.<l.!iJ. ___ ._. __ Q,Q.Q~ _____ ~ 1.!L __ i"'-_tlg":'_ 

Oalo 12/10109 Tesll RUII 112 Olilico 1-1&]) 1.9163 Sial PIGf,S. -0.4 ill. 1-120 Posliesl... 0.000 al. 9 ill. 1-10 

Operillors OJI<JTYL Probe Longlh 5 1I._':::"'--===-===E-,-",-b8TiI.lfi!j'Yp~ r-- (-"I~iS=]=-:::_:.:.::::.:::::-:.:]QI~~C::::.:..==:.:_=_::::_==-=:.:~:::==::..:.._==_:== 

Sample 

Poi III 

Smnplo 

Til11e 

OT 

1239 

5.0 

10.0 

15.0 

20.0 

25.0 

~ 

30.0 

40.0 

45.0 

50.0 

55.0 

60.0 

Aclual I Meter Vol 

Vm,1I3 

933.85 

937.05 

E 

940.30 

943.35 

946.77 

950.11 

953.40 

---gs~ 

959.87 

963.07 

9GG.30 

969.62 

972 

Velocily 

Head OP, 

in. 1-1,0 

0.1' 

O.S! 

Orifico 

DI-I 

in. 1-170 

Icleal 

Point 

Volume 

Vm, fl' 

Icleal 

MBterV1I1 

VIII,1I3 

Saillple 

Trnill 

V<lCUUITl 

in. l'lg 

Slnel\ 

Tel\lp 

Ts:T' 

_~____ _ ___ ... §~!~g~. "'"fail I l£~!.!E..~t~!.!::~~L-. ___ r--~"-----

rilier J Probe I Il\Ipin[lPI r Metel M01PI 

Oullel IlIlel Oullel 

OXYf.lPfl 

Conlonl, 

" 

1---

1-----1 1--·-----\---·-------\---------1---1- ----1----------1--- ----1----------1------- -----1 

-----'-----1-----1 1-----1------1---------1--· .----1---------

---1------1-----·----1------- -1----

.. +·_----------1-_ .. _ ... ----------1------· ... _--- ----- ------·--1--.. ---·------\-----------\------- ---\--------\--------\------1 

End Til11e 

RUII Time 

Integrated Gas 

[lox No. 

Bag No. 

Bag Vol. 

Loal\ Rate NA ------ 0" Reading NA 

NA 0" Analyzer No. N/\ 

1.44 

cc/rnin Filler No. 

Nozzle No 

Nozzle 011. 

-1--------1· .. _______ -------1 

Avg Ts= 123.t7 Avg TIII= T- ,17.33 ---I 

MOISTUflE IlECOVER'I DATA 

40·122G hnpin[lel 2 3 DesicGall1 'Iolal 

3-7 rillDl wi, q GG 0 109 0 105,1 ---------- --- --_._- -----~.----.--

0.214 Illilial wi , Y [) 0 0 

Diffelp.II",., 
Barr EPA METHOD 5 - FIELD DATA SIIEET - RUN 3 

Engineering Company 

Project Cliffs Natural Resources Inc. Train C-l, S-l, P·6 PLt.'!t....It!!J.El .. ~ .. ___ .. _~~.2 ___________ .. __ _9'..Q840.. Sam!'!e Tlaill Leak Flale, dm: 

Sample Localion SV048 Line 2A Wasle Gas Slacl( Meier Y 0.998G _______ . ___ Bal·0~El2s'. __ 28.~l!~_ . ...Jt.t~!..!g=-",:--==~~~: __ PlelesC_~':'-::' 0.000 ~=iiT':'TIL_~.=~~Jili=':'_':'~=.: 

Date 12/10/09 Tesl1 Run 113 o.ri!l<.:~I!;i) ___ UJJGil Stal Press. ___ .~.:.'!......ill: .. r.t;z() ___ . ____ J'.o_slle~I __ . ____ .l!,Ooo __ .. _"I __ I_O __ J.t.I,_I~!g_ 

Operalors DJI<lTYL Probe Lellglh 5 It. ______ .. _____ Pr()lJ.E'JJlle_'-IV12.<d. __ QI"S2=:J. __ . ______ .JOII18-' __ . __ ... _._. ___ .. ___________ .. _. ________ . ________ _ 

Sample 

Poinl 

Vnlocity 

Heael DP, 

ill. H,O 

Orifice 

DH 

in. H,O 

leI",,1 S::llllplH 

Poilll Idf:!n.1 Trnin 

OhllllB Mol", Vol V(lC\IlJlfl 

VIlI, fI" Vltl,lt:l in. II~ 

Sinci! 

TOlllp 

15,"1' 

___ ----r---2'l'1I(lI"r Doin Tel'.'lJ.Ellilrllils.s,_I:... __ _ rillel Probe Illlpinqer Molcl 

Outlet Ililnl 

r\~plf:11 

0,,1i81 

OXyq0!1 

C(1I110lll, 

-~--

--_.-

1-----· .. _· .. 1-··-------1·_·--·· .. ---1·---·----

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I----I---·-----~=I====I-=====I=~.:.==I==.:.=-.:.=~~I=~==:=·=I~::~==~~=I------·-·----I-------·---··I .. - .. ----1----. -_._---

1----1 

----l----I--I-.-I--I--·=:--====:=.-~=-~=I::·=~-=~=~r=--:~=-~==l=~:-·==:=:~=~I~=--====~--I=:=:=:==-=-~I==~:=t===.:.-:=== 1--·--1·-·-·-· 

1-----+----_·_·---.. _·1·_ ..... --.. _--_ ...... 

Elld Time 

RUI1 TillIe 

Inlegrated 

Box No. 

Bag No. 

Bag Vol. 

1519 

60 

Gas Sampling Dala: 

NA 

NA 

NA 

AVJj DII= 1.43 

Leal( Rale NA cc/min rillel No. ------ 0, Readil1g NA % Nozzlo No. 

0, Analyzer No. N/\ Nozzle DI1. 

--_ ... ---_ ... _---···-1-----.. _·····_··_·1----···· .. _-- 1--_·-.. _ .. -1--·· .. -----1·----· .. --· .. -1----

-~ -~-- ---.~--~ ... ---~-~ ... ---.- .. --1-- "' ....... -------·t -...... -- ---.. -... -

iivgTs~- --r-- 1 <'300-\----------"1--------.-\.----·----\Avglili;; 4 O. 1 7-+- -_._-----

MOISTURE RECOVEIlY DM A : 

fl0{1;'~20 hllpillqPI 2 3 4 Desiccanl lolal -----_. 37 Filmlwl,q BO I()[i 0 1069 -------.---~- -

0.21'1 Inilialwl,f) 0 

DHfl:Hf1IH'0 [19 112 
BARR I 

EPA METHOD 5 

FIELD DATA SHEET 

§(}~!~}I" II rl!!.I,L~Qk D"~_(0_IIIL ______ _ ,,' " . . li.'IT;:;C . ,. ?k~J . ProjtOCI vI. i' ,.. Mnlny____ i3nl. riP', III lip 

Smpl LOG .i .. ~~,-_''::'J~L}i\/~''--__ Test 1'10. _____ 11un'~ ._~_:L_ 1\11 I"~, ~!~'=_L ",tnl. 1'1"';"' '.c" .-( J __ ill 11,,0 _--'2"~esl c ... !_~t I'~) In II~ __ . f'1P.t~I,,)"'L~~~~~!i1 

nUll 1 nIJ1I2 

Dnto J:3~ ... :~i·--·"'\ ~~ -.,). <\.:r', Pilot f'I(I. ~" I Cp {-~, '.: Prnhr: Lllqlll .. _--.-f.--:-ft Postlest U.u a~ ttf in /-iq rostlesl flO' ' ~~ 

Opnrnlol _.0.'::[:'_1_'_1_1-,::_ CI'11 ___ L __ ._ c.I,,1 r' (l; 1'\ . ~_,~I"r TVP'>: l~jnl""" I.IS.s. []OIlH" PiIol 3 ill. r'DS. 1~I-l(}q. lJl· Pilol (3 ill. Pos. ['i(1'11t'\1. ~ 

StIlIlIJIr. 

PClilll 

;:~[lInp!(' 

Til1lC' 

,1'1 

Mnlnl 

V(l!tnl1f~ 

VII', It' 

II,cilllUl'l I ~f,Tt~:- ",:::". -n' 1ESI nUI'I,' i I 

Vrlncily Orificp 'I rain Mr'lf"ll iVlp\I" 

,I I-I. V~H:l!1l111 T('!llp. Itllpl1qr Inlnl I 011110j 

SI;wl' ~:i~lIJlp!e IIi.1in -r rlllll, "F /1 M0.I~1 

ill H,,() I ill II,,() ill. III) '1 ". '1- {',oil,' rill'" ( )11111'1 11'11'1'. T 1 ""'11, or _ 

\f(lltrllw 

VIII, II' 

Vpll)citV 

AI', 

11111,,0 

Olificp Twill Slack . __ ._Sa"'.p'I'!.~t.:.a!:!J-"'_I.'IJc:.I_' _. __ -III. V~r.l!l!r11 Tplllp hllpnnr 

ill II}) i'L 11'1 [". 'r Plflhf' riltpI (J\l!l~:t 

r'i1p!r'l t,.'lnjP! 

hlln! 01l1lf'1 

If'J!Jp. ''F 1 ""'I','j, 

:1,'1').(.)" -:], 1 f:t;<;f 

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/1:, tlr-

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,---: ---i-,)- ~:,1o.-nT t, .1';'- I ;:,:c:. i/~-;- -~Xl~ .. ~i~-',;1=: -:; )~==~2lL~- ~'!\=-- u~~= _1yJ.~~):t:;,~~':?:.~ t-, >.t '!: f.. __ J 2'1_= Z_f 'L=-,'l--~~n~ ).. ~Yi- -Yr 

(,~ ,', " l Ijl:,\,li<-<; to '~) ~ 'L,. _ 1..1...:'--_ ...:~_L!: __ :~ -':' __ ~~JJL __ ~{~ _____ 23 ___ f1'ih ... L" _~B_J __ ~~_LL_ II:] I ~_ n y_~" ? 1...1.:7 I.fl --I---,-·--::jI(;(~-,--;;'1---i31 --;,,:,- -Ul _ __ '.~Y·~_.2-(,-, ___ ~~U!~'L_j~,-__ .\IY __ .."l~~_II_.3'-~iL_155 __ LL_iL~t _ ·Li.:,~) ?Ji>' ~·t;-6y ~/,'f-,-v(----

--~ ,I. ' ~i~~:~-J1 6-~\ __ .J.:.t.:~-'i~) ___ i2":' -2:~~l __ ..!..._l.'.l....~}lj_l\)' _...1i"--__ lry __ ~ljJ,'i<.:, ~,'~'f..,-...J.:J..l, 0,; _...11J,- ~l\.~0--~- it::....Q __ ~.J&_ 

..l..0_ -,~_~mJ 1;\ '1, \, .c\\;;!.....~J_.....5~ _L!.J_..:z 1~~ ____ ~._ ~;" J1;) __ J..1_ ~~_ jl)b,hl ~'-:~~~__ j'l V, ___ j~j~ __ _ lD_ -"l0-~ __ -'2!.L l:':.. _"-l_Y_'!.._ ~~_ 

, '(, _9J.iJ,;<; __ tJ..5:J()_L f .Ir,ll Uj L' LLC ____ L.LL __ .!lj_)~l~t _..!.~_..J:.L_ 1~·"b'l __ ~~~i.)~c....L" 'L-,L~ __ ~~ ~_ \~\-Z Y ~ ___ lj_~ ~r_._'!l __ 1 ___ " __ 'f _.' _ J]3~1...'- ....Q.,j)'S_~!. __ __ :L.J~ __ _ J.d ____ ZjjL ___ ':'.!_L __ !JLtl, __ y'_"I ____ '!.~_ 11!.2J!L~)~)_J __ -'.:J:_L_:>:_L __ 1~ ~r '2) y e'l ~L ~1-,~~ ___ ~t.. _ _ I '_' _ JJ1.-i ~L_\) r \5_ ._L5_~:'" "':'15 ___ .J_~'!::._ J:.Jj'~-I..:i-~ ... ~t~---:~'J J'.I __ . ___ sue. __ __ YL._ 'l_.Io"-'J~ _\.:>"'J:LL __ J'_'.L$ ___ ~LS ___ I.L~L L I' 1. __ :.z_tJ-=-=_~~i. t "" __ iL . ..Y...L_ __ 1._' _\_"_' _ ~gc<'{J.-=-_D-11 t __ !_:_'1J ____ ...:./. i" _ __ ~~~ ____ .2J~~ __ i)3::.- ~,J~\("I:'-_.YK ___ V.~ __ ~lh~l.,~_?~'c'tS __ Lt}_~_...'!:5.:.. ___ JJ;",, __ ~) ~_.3JL_!l )~ __ ...2~ __ YJ __ I I ~ ___ :L\}:iL~()[L-L',)\c '/,,- in_I~,)iL_~~~Jl~~ ___ 'L6_ nl.'6'L_Q~!l_-'-,z..~ __ ,!:_u_.l.U __ -1.'11 'LYi> b~I/'£_~~ vt _ 

__ 1 __ 1/ ___ 1 1----1----1----1---1------1---11----1-----1 /---1--1------1----1----1--1---

1-------11---1-----1----1------1----1-----1-----1----1-----1---11 

-1----..:1-----1------1----- ------·---------1·--1-----1---1-----1-------1----1-----1 

--1--1/ /--/---1------1·--------1--------1-----1----1 -I---.. ----I--·--I-------I-------I-·--------J.-------, .------., -------.. ----.-----

-----1----1--------1----+----1--·1·------------1---1------1------1/ 

:---1---11----1------1---1------1---1---1-----1---------1··--------1-··--------- -1-----1------1--.. -.. -1-------.. 1----·----1-----.. -1-------1--- .--------.--.. -.... --

11--1--/----1----1---1----1------/------1-------1-----11-----+----1·---·----- ---1-----1---·--1------1 .. ---·---_·_---,------------

-----------1--·-----1------.. 1-·----.. --1 1--------1------1-------1--------1------[--

,--_,-,-IG~_. -lIlV,',},~, ,;~ 1-~. ~)\]'\I k_I'I{, -I:~=J!;~~~'CQJ ~-=-=t---~-t=:~t-=--=lillIH~ JISJ1:i~)jJ~L():I~ JJilr~{,y,t~J::-_==~~J~IlLIJI-:--- .1_= .... =d i!"V.I~L r-- , 

r-_l-lllill~IiZllIiOIl VlIh'.'.:'_; ___ rA!;! rIlIli Till"'!; ________________ ul2::"..I\r sy.'.;tc'!l.. ________ ~;nl1ll~ 2rnill COII~~,-IS ___ ~~~_j_ t'Jozzle Calibrillioll 

f\J1Plpl OxyqPlI Moi~~lll1l~ Cclfllill • O~~ 

I I ~~L -":::~:~iJ- -~~- !';I.~~,-,-~ ~~~'-'~- ~)- ...£l:'~,,~,~_ ....E_QlJ_V,1Ji.. __ ~~~'-'3L ...D.':':1<!!"9 __ FiIt["d~- Hoe21" No, Nozzl" DIl '" ~~FMlI D~CI'M_ 

t.!1i'.!_L_ ....:-J...1 __ __ L~_'~ _1::1 __ ~l"-'--l~---G--\J~------ __________ . ______ ~w,~3.:.~-- IJ;lW ~1,J)+1Ml ~\JU_;U:LI ~ t) h . L ;." ,1 V, jr "1 -; 'I 'j'Ll" 1- t- '::,,1.-'I' I 'I.;)b~~t;) I.su ,',;, '~ 

Nuzzi" No. '1-- :.) 

reel1. Dnle 

~--I ---~---··----I 

"II)\!;""lI'"Er:'-'VEl~'i' !lUll I I 

___ ~~~.(_ll __ " ___ ---'t ' ._-_:_'--___ 'l __ ~ _~!Q.~~(2:~\i:d-.--J~~ __ __ r,:;'-"'.'.'::h.~ __ ...:?\~ ~ __ .J~:'. ________ l':slJ __ IIIHi:l1 wI., q '. ) t.... ') . ' " ~~:, 'v i 

--.------- -------------1---, .. Dill",,,"!;,, '.. ,.\ ·.S 'J '0 "L \ , I.) ,. 

[lUI'I:! 

,_1 _____ .J'-____ ,;1 ____ ,_I _. De~ecfll!!_~ 

~(L2 __ --..:~ ___ I ':'';L ____ L~S y _ .'. :.' 

-i-~- -'~~- ~~-- .--:.- Is¥tf-~t,~-

3 -~II:);'Evt ~-.---
BAI~R 

EPA IViETHOD 5 

fiELD DATA SHEET _lUl!Ul'2U 

P"'jocl -GLJ (js 

SlIlpl Loc _(;v1L_;:: il.L. _S_\.L~~L'{, __ _ T(;,cl 1,1(1. __ 1 ___ . 1·11111" :1· d 

Dnl.H __ L~-=- ; '~:..2:\:D __ . 

01'''111101 ..'f):"LLL~LY_.I...._.-'-

PHoll,lo .. _j~'-L .. 

(n'.'I __ 1 __ ._ !11,'1 

M"lr'l y (i /N?) \:, 

/\1-1 1(1! --::~-----'--

.L~.LL, '!, ell ~~_:J~':1~-

I' _JI' __ ~~~~ 

") .. " n,,1. r'",,, _~,J).:l'::._ ill I If) 

!"::\nt. Plr)~: .. ::~~.:L~_. ill I I}J 

F'rnlln I.liflll1 _~=-__ fI 

Lillnr Typr-: ['fClm,;, I X,. f·;. IIOIlIPI ,'c:~~·~::~i5rfj~~:c,"::~t"o,,-:d ii'slliliii ;1 

.t:;:lfllplp :.:',wnplfl fvll~If~1 VI~lndly 

P{1itJl Tilllt· \I {lll II Jl(~ i\P, 

XI" VlIJ, II" ;(111.,0 

(Jriliep I Tr:lill ~.:l;ld< ______ .!~~.I!.t~Pl~~~L~L~j~:~:.!.!lE,-~r-.. _-- Mrlr~l rv1r~lp! II Mr~lpt Vf'lf~Cit'l I (.JII 

{\II, Vi!C!!\llll "I r~l!lp. 1l!IPIlO! !111r~1 C1utlr>\ \jPI\UllI! :\\1, I ,\ 

---r---1r:----i'.--,---- ill H;,O Hl lin T!., OF P]olw Fillf,!! UnUe·'! I ['flIP, 1- 'PIliP, 'r \fill, I!' i!lll:~_(~~_~ 

L - ~~ - r~-:_ ~lji= ;:~~~-- J~:2~- ~1.t-= ~(tjt~c ~~~{5-= -~tjt ~~t~~ ~~S·u~ ~[~-==~~==-~~= _ --.-.( __ 7J. __ 1t.~;L:L~ D:_SS~L.J' Fa _:.L;,_'. _ J "L:> _ ~Z,J~j ____ ~,t+~ __ '~1 ~~-~. __ )~L ___ xi_ ------- ------ _. ____ 1 ___ --- 1 ____ 1 _____ 1 _______ 1 ____ . ____ 1_ -- ---.--- -- --

_2-=-3 ~~_ 0'E':'y'~~..:_ll~1::.53-~f.:5-·.- -IL::L ..:.l,J:~l:~ __ LU_'~L :rL_~Lr __ .J~---- _____________________________________ . __________ . _____ _ __ . ~_J_l=-_ )L'<·':}~.L~___:.:,)~IL~ __ ~_ ~L'6_ J1~~~~_ "L. V~"'-~~L _~_-\ __ y~ __ _ 

__ --'-I-~.:.:.·..::l)=--III~\ 'l,Tf t1. '6~_ ~3.s Y~3 i'L -f, l LS_ :'~.z .. ~_1{ Yt __ S~ ___ '5..~ __ _ 

------··-1---·--·1·_· -·-1---··_·_-,------. 

-_·_·---1·------1--·----1-

-----1·-----1------1·---1--·1---+·-----1---1-----1----II 

... -----. ----,·----·-11 

---,---"-----1----1-

---1----11----1----1·--·-1----1--·-1-_·_·- 1----·--·-1 

·_···· __ ·-_···\-_··_· __ ··\-·_-·--.. -1-.. -.. -.... -- I=-~~==I~~::~~==I~-·=~~=::··:==--=:=~:=.:---- -_·_······--1--··· .. ··--1---· .. ·-1·_···'-_·,-_··-·_-_···-

1·----·-·····--1·· __ ·_····_··· 1-·_··_·----1--··--·- -.. ·--1----··-···--·1-· ---.. -....... -+--.--... ---I . -. --.---.-J--

··----·-+-·---·-1·-------1·-----·--, -.--.--.. , --.-... ---,.--.-... ---.-., .. -.. --.-.-.--.' --.-.. -.--. ---.. --J.- ----.. -.-.. , .. -.-.-- 1-·--- 1-·---·--+·····---\--·---·--·-1·--·-

11---1---1-----·-1------,·_-_·_-,_···_·_---·_,----_·_-,----.---.--., .. - 1-' --..... -... - ... _--" 

1--·_·---1· __ · __ ·_-_·_·\-

1·_····_--·--·1·------·-1··-----· .. ·1-----·1-·_··----·1-.. -.----. 

1---1----11----1----1----1---1---·--1------1-

1---1-----11---1 1--·--1·-----1-·---1-·-·-·--1-----·1-· 

1-----.... -.--. 1·--··-·-------1---··---1-------~:·~=----==.I===:~=11 

1---1--11--1 1-'-"-1--1--1 1----1--·----1-----11-·:...-----1·-----1-··--·--1------1-------1---····---1--·--·-·-·--1----·--·---·1 

---,---,1---1--1·---·-1---1-----1---1----1-------1----1--·-·----11-----1----·--+--·--1-----··-·-1--·---1----'-'-'--.' .. - ·--'-1-··----.-.. -.. 

---I 1----1---1---+----·1---,-·--··-,.-.-.-. -'--·"_·_·_--'-·---1·--· I····· 

1---1---·-·11·-----1·-----1----1------1------1---1-------I ----_·-··--1·--.. ·----·1-------

,:'.' 10'.. Il~lifuEIL~~~~bl"-~\!'~]=:~=I.~~LU~~I:===~C~===[=-~-] ....... ~ .. ,.·--I;,,~l1IltE;~--:~t _ ... ___ -J,~~.~-~-t==~~==I~-~-~-~=~F~====-I~==~:::·~1=~-~~·J~L~~llll1,._~1 ~ ______ .::Ii.::lit:£~~!i~~~~t:.I:~~-:>--·-I~~!,!~~JF)!; .. _, _____ S?!_!~~_0~~y~~~:!~_. ____ .,_ .. ______ .. I __ 9:~~:~:J~~~~~I~~~]~~::'__.J __ ~~!,!.~~~.---I i'lonleCaliiJwlioll 

Mole! O;Wq{~11 I hlni:i\llle cclinill . O? red!. Dale --.-------.~-----.---

Inlill :1--1=- ~IF-I-I!~-I~~lf~l~~~ I_:~~~t;~c 1-~:i1iI==I~~~'\()~~I.-I~:~~~~I==~I~~-~I:!~ 1 :j~I~==I-~·I(~~~.I[J=I~~~I;~{I~~;~'j~~~I·.~~D~.I~Ji~i\~.~lcl;:~l~~~L IIlIlId 

l'lonl" 1'10. 

, Mf)r~~ Il'Jllr~ IIl:CUVFlIY: IIUI·l :l I 

___ \il.ll~'I_{!I_· __ -:-ric-- _.-, :! __ . ..,.,,_{: ______ '1 ___ '2~!!!"~",,!t..L~ Filial Vlt, q (h -\ . ..) ) U ....! g:'\J \ 

-- Ii'iti,;iwl., ~....--: -;') I:, I ~~,l.._ ~=-~::~-= =-i~J.:f::I" 'j" . 

D;II""'II"{! ,.t.,v\ ':' 'f·., ~L . 1~_ 

ltllIl'l 

I 2 :1 ,I 11J"';!CCilliI 1 lolnl -.---- -----,- --------- -- - -

---'-- ----- ----- ---

--- ----------- --. --.- ----·I-------~J_- --j 

:1 I··· .----.. ---... ----. - ... --. fwu. ill. 
BARR 

t.. 

L 

...) 

,-, 

: .. / 

") ... 

" .-' 

I 

I 

I 

Schematic of Duc! Cross-Section 

EPA METHOD 2 

FIELD DAT.A SHEET 

- . I Run 1 

Stack Pres. - In Hg I 

Duct Area .. Sq Ft. I 

Mola Weight .. Md I 

Mola Weight .. tvls I 

lwg. Temp ... of I Avaraga~ I 

Gas Val .. FtiSec I 

ACFtvi I 

SCFtvl I 

DSCFM I 

::C:r _ 

I 

I 

Run? I Run 3 I Run 4 

I I 

I I 

I 

I I 

I I I 

I I 

I I , , I 

I I 
Barr EPA METHOD 5 - FIELD DATA SIIEET - RUN 1 

Engineering Company 

£i2jecl Clilfs Nalural Resources Inc. Train C-1, S-1, P-G ________ . ____ PillJLI1'-ue_ Un .. ___ .lt~ __ ._. _______________ J::!J.2.cQ1lI.__ __~ __________ San}JJI<:'.l.'~rll.c'!i'~_.Il~le,.dlll~.~_._. 

Saml2le Location SV049 line 2B Wasle Gas Slael< Melel Y O.99BG __________ . ______ I3~PIe.>'.s,_. __ ...28.8(j_. __ . __ .. ilJ, 1.1fL_. ___ ....... _~J::I".t.e-".t. .. _____ QO(JlJ .... _ .. _,-'-U.2_ ... _irlc ... t!y ____ ._. 

~~ralors 6~~~Jf~~ Tesl I Pr~tll 5 ~un /I I . --Qlllic,,~~lr'(::.-J=~~-=-___ XrOIl[)_~~~!{~g~r: __ G~~~§::.:..l~~~~=~_]QtI],,'_~-'~:~OsL_===-_~~~2~~ __ ..::!?~_'==-:.::.~~tlg==~_ 

S8mple 

Poinl 

Sample 

Time 

DT 

1043 

5.0 

10.0 

~ 

15.0 

2~ 

~ 

30.0 

'W:O45.0 

50.0 

55.0 

GO.O 

Aclual 

Meier Vol 

VIrI,1I3 

77B.Q<; 

7B2.1C 

7B5.4: 

-----:m4'm 

~j 

]" 

Velocity 

1·lead DP, 

in. H,O 

Orifice 

DH 

in. 11,,0 

Icloal 

Poinl Id",,1 

Volull1e Meier Vol 

Vrn, II" Vln, 113 

Snrnple 

lInin 

V<lCIIUIlI 

in. 11'1 

Slack 

T",nl' 

'1 S, F 

·---Filt.;r~-l ·---pi(1:*nl1J.E!11-'-"~~;~,;;~;,er atlul.[)S''K.1et'rl--·--rj1~t~~t~~----

Outlel Inlel Outlet 

lh:yqPfl 

COllhml. 

I I r= I \ . . _. -----·-1---- --------.-- .. ---\--------·--\---------------1---·-·-----1----- .. ---------.------.. ---.. -.----.--... _- --------. 

--- ------1-- '---' --.. -------------------.---- -------.. 

--·---1-----------1---.. ---------.. ·--1- -------- ---1 .. ·-------·· .. - ---- --.------- ··1·--------

-l:.:.:=---- --.-~--. ---·I--~--·-·--·· 

I·-~-----I·--------l .. ------------·I------------I·---------· .. ---I-.. ---- --- --_ .. _-.---------_. 

..-

-------~I----I--~-I 1-------1------=--===1======-+---------- 1-- ·--· .... --·1 .... ---·-·-------

I-------I---------.. --I------~·---- ,---.. --------- · .... 1----- · .. -----1 .. ·--.. ------ ----I ---I-----I---------I---~--I------------I- -... _'-' .. _"" +-- _ .... --_ ... _ .. 

----L.I (wg Ts;-----I--·T2i~n3 .. --I------1 -llAVSJTiil~r--·li.5il--

foiller No. 

Nozzle Ha. 

Nozzle Dn. 

40'1221 

3-7 

021'1 

MOIS'I UnE nECOVEny DATA' 

IllIpinqm 1 2 3 ~ Desiccanl 'lolal 

final wi, q 9,'2 0 llo 0 103~.5 ------.--.-~--~-.-.--- ------- - ----------------. ------ Inilial wi , q 0 0 100 0 102,1.5 

DilfPlencp -~ '92 .... 
Burr EPA METHOD 5 - HELD DATA SIIEET - RUN 2 

Engineering Company 

£!:Qject Cliffs Natural Resources Inc. Train C-l, S-1, P-o rlt['-L[tJl:Jo ... !:J~:~. __ ~ ______ ~ ________ J:P 0 B·IO ~ _~_ SUillple Ilalil Leale Rate, elm 

Sample Location SV049 Line 2B Wasls Gas Stacie Meter Y 0.99fJG __________ ~"'..!.''2''.:''_ ____ :!.l!.~ ~1'_JJg_~::_~~ __ ----I~'_~tSi---_=_ _ _.:.u UOO- ==-j,Tlo _::-__ !!.l.~lig_:,:,_=_-:-_ 

g~~rators 6~1~~~ Test 1 Proj)8 Lengll'_ §J~u~. ~~=-____________ -()jl~~~-=-=___ 1~:=~_ - --=_~I~o~~:lli~I:~~T::: _____ ~i~;;=['~l~~~=~-=lOii1e;_~.:=o~~est_-:. ___ = __ ~u:~O--____ _=:~:.:.=:_=_--il'-- I ~L~::::=~ 

Sample 

Point 

.!.?. 

Swnple 

Time 

OT 

5 

10.0 

15.1 

20.0 

z,:-

3C 

35.1 

40.' 

45-

5( 

5[ 

Gi 

----~ ~--- ---~ I------I---~--I----- -1--

-----1----I=--===I:==~-==::-:=I~~=:::::::=]-.=~==-=--.=---·' 1----------1-------------

1-.. _·_ .. · .. _ .. _------ .-._- ~-

----~~ .. -

OX\'[lpn 

COllloll1, 

1------

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----~ ~------- ~-------+----I-------I I-----I-----.. -.. ··---I-----I---~·I---------I------I---------- ----II-------! --I---l-----!------!------~-----I-.. --~ .. --~-I------I------t------1-----------1 -~--- -------- --_._-----_ .. _- ._------- -----.---~~~=~====-... --~--- ---~---- -----~--.-.-.. I----~I-----I--------I--------I--.. ------·I .. ---

End Till10 Run Time Avg Ts_~~--I----1TT92--I-------I--------I------I7ivgTiiI..;---- 55.29 

--I·-.. ~----~-----I· .. -------I .... -~----I--------+---

Integrated Gas MOISTURE REr:C--'O'-'V....:E"'R-'..Y:...;....:D;.;.A""-I-'..A,:-:-. --o----r--".---r--

Box No. Leale Rate ___ N_A ___ cclrllill filler No. __ 'IO'I"2_~.... IlIIpill[]Rr I 2 :J 4 fatal 

Bag No. 0, Reading NA % Nozzle No. _~_____ Final wi, 9 _ ... _~_~_ . ___ ..£..._ .... ____ 9~_~ _____ ~_.9. 

Nozzle Dn. 02 t ,I Illiti,-,I wi., q 0 0 100 0 

Diffpl RI1Cf! '--~~O--'-'---

Bag Vol. ______ 0, Analyzer NO. ______ _ NA NA 

HJ<1 
Barr EPA METHOD 5 - FIELD DATA SHEET - RUN 3 

Engineering Company 

Project Cliffs Nalural Resources Inc. Train C-I, S-1, P-G J::'il()LJ:~be_J'lQc_-..-S~? _____ . ______ . _____ I::I'-!l .. _8~~L ._. ___ . _ . San~)le '],ain Leak Rale, dm: 

Sample Location SV049 Line 2B Wasle Gas Slack Meier Y 0.9986 . .. ____ ..... __ Ba,£''''c~.~~_Q.5.. __ i_''J:!g_:::._. __ -----=~-. !'!;;t;;st-~~=-=OO<&:~-~::--tlt !'Q.·==J~~TIil=_~_ 

Dale 12/08109 Tesl1 Run 1/ 3 O'ific~ 1·1@_LqlG3_._. ____ Sln.0"-'-es5_. __ . ..:..tL!!... ___ ~'cU20 .. __ . r~osl!.(lsL ___ ._<!.12l10 _...i'L!t)_._.i'lHg 

Operalors D,Ji<fTYL _ _ ___ E'-'gb,e Len~JL _____ . _______ . . ___ . ____ .J::'r.Q~.e L"lQ!...!JI]{fC_ .Gla~5 __ [__ _ __ • __ ... [01110-'... _____ . ____ . __ . _" _____ ... _________ .. 

St<ld; 

Tnmp 

Is, r 

~-. 

._~]~plf? 1.!~~Dl!.I!Qt3f_0Il.IL,-,:~_,_-I~ __ . __ 

PloiJn ! hnpinpnl I Mnlf"'ll 

UlJth~t !!llet 

rvlpl~1 

Ouliel 

OXY~101l 

C{11It01It, 

r~ ~, 

---- . 

:~-= -'--1j~=~ }-::+ ~:y-' :.,c--I .. ··=:=I---~r_t:- ~-. -i=. 

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------.. ·---1-----------1-------1--

1---·------1----·--_·-.. _· I· --.. ·----------1---··-··-·---·-.. '--1-- ·--1---- - - ---- __ I . __ • _____ _ -._------- ,------ _ . . _-----_ .. -

-----·------1 

------1------------1--.. --1---·-·-----.. ·----1---.... ·------1-

------I--·-I----I==-~==I===--=I~==.:::-::I===~:==-I--=-~~.::=:-~-J==~=-~-:·--·J-==~=--=..::---L~.::=:=---=-.I~~==~.-~I~=·=----·· 

------1--------·\-----1----------1----+---·--+·-----1---·-1---·---·--\-·----··---1-·-·--·----1----·-----·-+---.. · 

1 End Time b 553 -, j·----I----------j·--·-· ----Avll Ts=-·----- .. --1i8.92-- .. -·-·I-------j----·-. -.--------. ---I----·-=:j·==_~=j====_-~I=====:I ---.. - Avg r",= 53AG Avg DH= 1.39 

Inlegrated Gas Sampling Dala: 

Box No. NA Leal< Rale NA cc/min 'iller No. 404223 

Bag No. 

Bag Vol. 

------ NA 0, Reading NA % Nozzle No. ,)7 ,.,,", ",' ~ ,,'--- NA 0;, Anolyzer No. NA [\11-\ Nozzle 1\ln77!p Dn I In n 021,1 '.J 1 II !I\ili:ll Inl rt 

Oiffn1811CP 

!JO 

2 

() 

o 

o 

3 

100 1-·--·-

100 

4 Desiccant lolnl 

0 1()B~ 

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

0 10G2}) 

":I-'-'i1's' 1 I 1.5 
BARR 

EPA METHOD 5 

FIELD DATA SHEET 

, _______ SOIl'lJte '11~ll:ceal( nale (~ ______ , __ 

Project 

8mpl Lor. 

Dnle 

Opurnlor 

Li! I Y-\ ( 

l. '~~~ tu (- ~" ,.1, u l

, 'f 'I T[-!Sf No. 

! ,~- "~"., ----

\')'1 1,_ / lJ~ eM --'----

11111", 1 • :~ 

Piiol No, ,\ ' 

sr,.'1 

Melery ()Ti~i'!', l:1ar. ['rpc, .:.:"7/l,;< \- illllr) nlill I 

,\11 Iii' I---'Ti(:~- ,' __ I., Ii' Sini. Proc, ... ; .. ;-0 ill 1-1;/) --~--'---':'- ,) I ( --~--

Cp t, - 'r: /' )c:)I"Jr i"loiJP. Lllrtlll _~\,--_ ---- -\r- - p C, ! LiIiN Typ": I~plnsc, [IS,S, [lOthor ----- / 

---------------------- ___ PI()Ie"1 ()....:_~_al_~~Q _ Prp.I~_1 _":-'_" __ -'-___ -"1 

Poslte,;t Cl ,'--' at 1(" ill H[j 

Pitot (3 ill,) Pm,_ [tl)T,Je(I, !\! ['ilot (3 ill, 

f 

'I Fc~T nUll I -, - I ES 1 nUI,1 :< 

S:lI'lrlf~ I ~~;lIl1p!f' Melf!! Vr:lor:ily Orilir.n lInin !~lnC,!; .~~plr:JJ.£~~!!IJ~.~=_ ___ , l rvlr!lnl" Mntp.1" Mp.I!~r Vn!ocily Orifice Tlain Slack __ S~~~ple l!..~··~l!!.l£:!!lI?:~F_-_ Mplf~1 Mr.tpr 

Point lillln Vnhmw {\P, /\H, VaetHt!!1 lrrllp. hnPIHll! Inlrl 01Jllrl Vohf!1!P {\r, .\1-1, VnClHI111 Tr:llIp. Irnpn(J1 Irtlnt nll!lf't 

,\'1 Ijlll, II" in 11:-') illll:,n ill, 1,1" r!:, 'F 1'",11I' nil", Ollt"" II, -I p,np, 'r 'I P'"I', T VIII, II' ill III) ill lip ill, II" T", T I'>o"e riliel Ollll"t 1 ""IP, "I' 'I ellll', 'F 

iJ.:..L __ ,_~ I ;-j2 1\ II "I\\. T-~ ~~-- i!(~ ~'--I~ ;,1' ~7:~J '"!~) \ 33__ j~~':':H~ =9::iL /,_:U-=-_ _l. ~~ ~_I 1 i'::'=II;:;--= -L LII-=_~;:~ '::'2.1 ___ :-\ 1 

n '/, :1,"' ----.-tJy ~'I/!." " "',,,': ' ',1 '; 

~ _'_'J __ '}_,1'\_' \_' J __ '_' _' (i~::...... J:.~'.'::. __ _ i_' '~ _____ I '_' ~ __ _ -_',_,: _________ '!_'r L _ __ ',::6 ~,~, ,.3:..~__~)__ :'6...~!:!._~ _.Q_:5~ _Ll..."L _:L~:'-__ __ t.!.._'i __ 2_>_1 _ __ :_'f_?-____ G_O ':L _£J_ ,_,_.l -_:L 

I I ~--; l~)'<! _':_~_~JJ_~~ ___ 2::_,' _ ..Jl~ __ .LO __ :~-~~':- Jb ,~I ~LL_ -1~2.__ __E_L~I_ j,j-'-.liL_ ~_'L +~.~ ___ l~ lL'.:. ___ .,...:::. Y f __ ':;'E _~~_.~J __ ci.J, __ 

-L7---~: '-, - ')~~h:~_ -1;,-.~~1,- -/-' :-;: -;_-_ -~~-._:_-=_ /;: '/---- ~: ~-:,'~ .,: \":'--I~~(;f~ !ii~~ __ _ ~~~_ ~~i~~~_"~~ )~~~ _J {{= i-;- _~= ~tft~~ -_-:_-;~-~= j~L~~ ~i~_- _y-l\-J . =i]~=-l~~~-= I J' ,/'ib,', ("I,U'! _I_'ll __ l:_' ___ L(:_: __ i-\'j ,",~ __ ~L_y~:. __ l~ ____ .....:L\."::.._ g.\i,J'I, ....':.'.:..I_L~,1.'i ___ ~~ __ ~~ __ Z_.):_L_...!:_Xy_,~L51 J\... SL_ 

1- ,_ _:, =-)' _ ~", \. I," -l" i ,1-= ~q~-- 3 ,: II ,_ - _2..;2 __ ~_~~', __ ~:L~' ,~l __ L~~.2_-': _g Llu' " __ ~~._lL _~_~~ _YS_--__ LU_ .£J:"'~ ___ 1::_L['_:D __ 3 L .Jl~ ___ , "\ t __ ___ 1 __ ·'_"_ \{(,I.',( I.,,',::,, J .n- ,\.\ J.!J_, __ lLL_\-"~I'L;' _~I", }.1~l_~! __ }'1_,JeJ _..::~l~ __ J.J;? ____ '~ ___ ~ ____ _ 1~~ __ .2':!J ___ ,7 Y_~ __ ~L ,3 __ ~.y,~ __ :!y_ " 

,/' "i,l.'~O{ , __ "-),, q, _I"~ I}'i, ,~i-ii ,'j-'/,,('It (,\) (01 ,'ayt".!~(),(,S I,ll I(.~) I/{ lYe, 7'11 ~3 n \~'(<:> ,IT I~~'-I ~-,-r:n,.'JI, 1,,-':'1. ,,'f;', :,., . ~-~,I \ i 2;:( j~[i.?,:_ (,'\ -(.:.10' ~i'I"/'-'_~::i:'~'~~-:;IL __ Y:L __ ~-I/l~~ZU~:l Y{--~r-~-=-J-)_=~~--

'- _1'-'_ 2L:'L ~_ J..:.l.L_ ~~:.._\ _ ~'-- !, "L !.,,' '1_ ;22.. __ l.J~ ___ ~-+- -.b,2-- ~~ ~5'L_ (', ll) _0...L ~ __ 1!..~ 1 11 Z3 \ '{J '!../ J~ £ __ ___ 1 __ "_' ___ ":/'/ " '1 '" -I, 'I L_-' \_nL __ I_' :l ____ I '::':_', ___ )_'5_'r' __ "_'-:'L_ 31::..., ,_5 _:l-__ j?...,_~ __ (,,_-1.,__ '<i~_J _' '6_\ __ tl_' 71_ -'~~~ __ J'_ ....___ JJ.L __ 7_\ (_t ___ .l:_~ _l __ Y.[~_ Y )~ _J::\ __ ~n __ _ 1-1-·---1----11--· .. -1----1-----1------1-----1------1-----/---1---1-------1----

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------------------------= ----------+--------------- --------------- --,- ----------I----lI 

11--/---1---1--1--1---1--==\=---=---' ---=-------====~======= ---~1----~ ----\- ------------- --------------------- ----------- --- ----- ---------11 

---:::-__ UL --:"".,. ~~i:dMl.'I.{_.~~l:EG;]. -•. 1 •• ~~~1==~~~ .. ~,;~~~ .~~~ •. ~OJiL",~~~~: ~.~=~~-=: .=:-~_lm:-I~':"'21 tv1{!I(~1 OXYflen Moi!lllllt: 

I~i;, ,I'i,,;, 1'",5 ,I'e'\~::.....1 -: ,) I'" ,- I ~''' •. ,\ \, "'j ,),("', ~~~.IC~~ T0~;t nUll! TilllC~~ . _____ r __ . ___ S~~::!.~I\T~X.:~~~~~_--,--_.I--~~~~~lifl C(~I~llts ___ I ____ ~.I_£~~_ 

cc/inin' \ O~~ 

I~I_~ __ }~0P _J~~~"I- J:;I,'~~,"1 ~';~I~'fc i1",~~=_I~~~~~==I--:l~:IO _I~:~{[I=~-=I~!:!-I" ill HrJ_I-:~:~I~I;~ii~-lf~~e 1_~~I:J~:Y~:~li~~lz ~~~~~ 111111:' y'-,; ',:" II. i.. 17 ,~',:, '-;:-3J.,: "'Il..l L)-- 1 FO.llt( rH,11'!i l'1't, "'tt 

1;1( 11~;T\lnE IlEcovnw: -.---;..nc.;url,;..I.:..I---,-----t;J 

___ I"'r'-'-"-Yc~ ____ 1 __ 1 ' --:'----,-I - J)""i~'l'l. _Tu!-,"_ _~\"h.y ___ .':11__ ," __ ..<J~-, j'-:q" 

hlllini wt., fI \,_. t· " 1 -I < -._ I r.\/4 '{.\ 

------------y:;-:---- -----.--------------C-,-'--

Dill,OI0""O '\ l <. ' '-I J.: , f. '\ 

RUIJ 2 

__1 _____ ?. _____ .2. .. ___ /L __ ~~Ca!lt I~~ 

(l'i '~ " '\ I':' ') Y 

--(-1 -- -T;- --W~ ---:.--"i"Gt-=:)- --------,------------1--.. --I w' ", - _\ t- I" 'y 

I'Juzzle CaliblaliOfI 

l~~;;I~P:=--'D;;;-;;IL~~ 

-No;j'e 1-10, > -'1: -----

L, __ _ Q~L:z:..._c.; _____ _ 2 0' L(,-

-:;----- G;-Z:::~ -== 

I\vU, ill, 1),1.. \ If 

,; .,.,; ;J 

BARR 

i / () [/' [? (..! ! -- '--" ~ \....."...., -~ 

:C 1-; ; ~" '6 ..7;. 

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'c ··c· ,r.-, ,-.-. r _. - j t, -- '~'-' ~ '--' ~ 

, ::.:: (,.-; (~) , ('-, .-

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c· i' 'c : G7- ,-"' .'. ; c.:) c~~ ! /""!;:: i '-~. .~; 

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: E> 

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c-' ! i c?> j :-..;;., :G • ,~ ! s , - , : ---::=:") -.)C. \",--,,"1 '''/ 

ie· i :;.' i D '-' ie) 10 : c) ! C· i 

10 i .c. v Ie 12) .-'-0 -1 ""!'L" 6 U : :5 ci 

1, !~, ! ,- C. ; ,~ -I - • I', ","", /~ . (j ! ,-'/ i '..-' '-' '-"' 

12 j ·['1 : ;-, v () ,U ~.::. C; or 6 t:::) 

13 :0 i !1} i /J T·c; 43 : ..... c I {) 'U (....1 

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15 Iv : (. D1-v ..+5 o· cs 1-0 ;--

v (....J 

I 16 I 

0 IA ! 0 j0 j 46 Ie' 10 i 

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I 18 ! 0 

I it; i 1-"0 I 48 /J I,~ I .... -, i~ 

i I I 0 ,~ I "-- I .'--"", 

Source L.ayout Sketch '0 I I I i'v 10 I p\1-D I -5 ,~ ! D 0 0 49 i I '-- ! 1 

20 ! 1 , 1/6 I 50 r) i, iD 10 1 U 1--0 I , I V I C? I 

21 I 0 1 0 16 I 1) I 51 10 10 18 I 0 

22 I 0 I () I ,(j I CO I 52 I 0 I C91 ,-.::"1 

I t;.J- I.G 

23 , I I I () I 53 10 10 10 In 6 v I 0 x Obser.,1at:::m Point 24 I 0 0 1 0 I v I 54 In ral 0 10 

25 I 

n I 0 I 55 10 0 I 0 I , (.9 0 V '1~ ,,-0 If] 10 0 1 ~v I 56 ! tr-I <0 I 0 1'0 

27 In I(~I '0 I 0 1 57 j°tB· 10 10 

28 110 I V D I~ I 58 I 9~~-+o" 10 I D 

29 I 0 I 0 fQ 1.-0 I 59 I~<i> I /" 

g 10 I G 

30 ,~ I 9 I Q I 0 I 60 10-1'23 Ie; Ie) D.-2.W Sun L~CfHio;-, 

\-a {'VI\..(~ I \1\1'") Ii f'q-J&\i 11vJ, CerJf'edby hV-O 'l~ J I Date \10: - ct-'b rJ\ 

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./+/ 

BARR 

Praise: 

Salnp!:::- L.o::;,Stion L ~ Vl<- \ .I\) ", .. ! G. " \,,, 1:::1-\ 

I L.- f:)":~ 

Ooerators 

JUCl DinlenS::::1S 

DOi~ Lsngti', 

\<) 10 ,D inches 

vj, S' Incnes 

Pitot TUDS I'Jc. 5"- L Cp t;, .~ '-I 

i"janOi1lelei'ID c., \ Bar, ID ,ol'lLD:giia' Tnei'f1:'I§:;C ~ I T.e. 1[, )-, "L 

Traverse Point Information C:.'c:oni: 

Poin: ! inches :=ro.,:: FIO\', 

f~u:;;De- I Vh::.l: I Po": .c:' 

f' \ ~/I~ I 

Uti I . T' s. "'t'b I 1- \ I 3 

1. "1;)11~1 I, I' I « ,St, L. 

" I :l -&J 1 I\,-)9 1- , 

.-' 1l •. "-'e 

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~ II\.~~ I [q.(,"'> j 

\... 1'21.1 y I'l\.";''f tl -. 

I Is~.1Jo ill],.\6 '2... 

nur, ~ 

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I 

Scnematic oi Duct Cross-Section 

EPA rl.~ETHOD 2 

FIELD DATA SHEET 

~., I 

':;";1", C' I:iees. I 0 ~ \" 

Pjto~ L-eak Cnscl: 

Velocity Head - Inches HoO 

I 

Rur. 2 i RUI, ::' I R'J:"! L 

; 

.ii=' : I ,\p \:: 

! I 

I I 

I 

I I 

i i i ! I 

I ! I 

I I 

I I 

I 

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i I I I 

i I 

1 I 

I i 

1 

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! I 

I I 1 I 

I 

1 I 

I 1 

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I 1 I 

I I 

I 1 

1 I 1 

1 I 

I 

I 

! ! 1 1 I 1 1 

I 1 

1 

1 

I I I 

I 

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Stack Pres, - In Hg I 

Duct Area - Sq Ft. I 

Mole Weight - Md I 

fviole Weight - Ms I 

Avg, Tem::!, - QF I 

Average .J::w I 

Gas Vel - FUSec I 

ACFM I 

SCFM I 

DSCFfvl I 

Stack I emperature - of 

r:ur ~ I RlF,2 ii~;-, 3 I Run L 

,ene I Tel1l:'::. le~;:). I ]8;;--)J. 

i I 

i 

i I 

! ! 1 

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! 1 

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I I I I I 

1 I 1 

1 I 1 

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I Run 2 Run 3 -' Run <1 

I I 

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I I I 

I I I 
Burr EPA METHOD 5 - FIELD DATA SHEET - RUN I 

Engineering COlnpnny 

Project Clilfs Natural Resources Inc. . Train C-l, 5-1, P-D. Pitot.J:.t!l!.E!.No~~5.._ ~~_ ... __ . ____ .~ ____ Cp OOiO ....... ___ ~ ____ ~ _______ :':;i1I"PI~Ji§lrL!o.f)'!I.< . .Jl<1l8,r;I.~£.._~_~ __ . __ .. 

Sample Location SVIIG Line 1 Kiln Cooler New Meier Y 0.99BG . Bar.Press. 28.90.. iILII\L......~_~. ___ Plelesl_~. __ ~QQQ.. ____ ~.1.!L __ . __ i'!c.l!g. ___ _ 

Date 12/15/09 Tesll Run II I . __ ~Qri!i~_'!..ll_@ _.1.~~162 _____ Stal rlc2"._~ -"-'-1·12g ___ .~ ____ F'<)~~Qs_'__ __ QlJ91) ____ '!l_7_~_ilJ.c..tlg .--

Operators DJI<lAPP Probe LOllq11l 5 II. .. ____ ~ __ 1'.'-()I).E!..Lille_.'J:ypeJ_._.9.@s§ _ _:J_ .. _~ ____ :JQ!I_'9'_. __ ~_~.~_~., __ . ___ . __ .,, __ ,,~ __ . __ ~ ____ ... ~_ 

Orifice 

DH 

ill. H"O 

IcJ0nl 

Poinl 

Volume 

VIl1, II" 

leI",,1 

M"lfH Vol 

V 111, II:J 

S:l.fIIple 

Trnill 

Var:tllllll 

ill. Ilg 

Slack 

TplllfJ 

1s,"F 

Filh~r ___ . ____ . ____ ~~~l !PiQ-1I! D~r,lll~!~}qL~~~tl~!-~·~!- ;~':;nr -~-. -------- Oullel Illlel Mnipi 

Oull,,1 

OyyqPfI 

C01110nl, 

J ;~:~~ 0.280 1~--2.'9{)'"- -15 40 -- ---•. --~~- ~----;--- ---. --- -~ ~-;--~-- ~---~ 32---I~ 

I <J.G4 0.310 P~--3~--18.5<l-'---;-------6~2-- - ------------:l4-- --32 

i.~~ ~.~~ --~,\;~ -----,--- =-~r==--~~=:= ---~-;....--=- ==. : .=..:.. -=-~-~t~=-===-~~~--I'---~--' 

--Ht--~ -~--- ---;~6}------:----=---- ~r== ~-==: ---: ==-;~=.:::.:::=~.-~==~-::- -==~=~--::-=- -==~r=--=i-:-- 1.25 2.98 - 33.65-- -~-~.,.-.--.-.. --S9~-. -~.~---;--~.- -~------;---.---~. -~----. -.~.--. '-'--"3G-~---"~- 3:J"-' .. - ... ~-. 

+---,,-,,~'-~--i' 1 ili_ =-t~~:=ili .~ ;----ji--~: ~~J~=}~-~~} ---[J_1- 1 -" .. _-

1.21 2.9'1 49. 10 . 59 . . . 3B .. - 1--0.-71--'---2.35 -----GI;j5-~~ ----;-.--~ -·-·~·ij2- .... · .~~--:--- ... ~. ----.. ~'C .. --~~-----;---.-~- . "--38'~"~ I·-.. ~·--"'::··· .. · .. · 

~I ~.0~4-- --2:7~3 --- ~- 54. I ij----.. ·-~-·'C .. --~----57 .. ~ ~~. - -----;---.. -.- ~--;-.. --..... ----.. ~-;---~~ -'~- 38 - .. -.-... 

0.9·1 2.60 -'-5G:m--~ -----:-~-.. - '---'01---- --"~-'--";""'--' .... ---;-.. ~----- ~--"----.- ~- - -----:JiJ.~ ... -.. 

1 ~--~-~--:=- =1~F"::: ----~~~~= =--=~=~-.. =~~~=--~::..--~==:~-=;:~~~:-- ::..::..==~----====-..:..=~~~=-=.- ---~t-"::---

---='-"":-"--- ~--::-o:~,-' -I ii~ _~E -.~~!gt~=~ _~~~~T;~·~ .=_Jt=-~~ =_==f~-~~==~-~~~;== ~~~~:~--:=- -~~~1~~~=-1-'--~C--"'-~' _. 

v.~vv 1.21 2.95 74.99 ' GO . • . 41 

t----:~;;::---l~~i--~~- ~-~ ~F-~ =--~--=~--~~--'~~ ..:..~~~ : == =-=~~-==--~. =- : =:==: -:-=-=~~~=---= I-"~---;;;:-- .--+ .. -.-... ---.~- 1.09 2.80 03.43 .-.. -.~- --~5B-~- --;---.~ '-~---. -- '--',-I(~J--

-I -------~----. --- -~---. -------.------ -------. -------.--- ---.--.-~--~- ----... - ---

---/----1---1 I----·---I------I----~-I~-----I-~--.. ·--... I·~------I~ .. ~·-· .. --I·--~-·---.. -~-I·-·-.. ---·-... 

1.23 ·-·--~----'i\Vq·E:;----·1~9.Go·'-~·· Avg llll= 36.31 

MOISTURE RECOVERY [)ATA 

---, ____ cc/1111n 

% 

i I "'Iller 1\10, tIU'ILL~ 11 llp1l1qr'1 I 2 3 DBsiccallt lolnl -~-----

Nozzle No. 3B rillal wI., <J Oll 10·1 ? 0 1ll.17 --_._--- -~--~-.. ~ .. ----- ---.. ------ .. --~--

Nozzle Dil. o.~~!);~ Illili"lwl,Cj 100 100 0 () 1027 

\)iffeH31ICp. 2 24 
Barr EPA METHOD 5 - fiELD DATA SIIEET - RUN 2 

Engineering Company 

Project Cliffs Natural Resources Inc. Train C-1. S·1, P·6 Pitot Tlil)!'...r::J," ... _._5.:? __ ... _ .. _ .. _________ ....,g~Sl, .. 8:LiL ......... ______ .. ____ SanIIJI(2...J.!.Q.il.!J,.y .. fI,I<..J}ale,_r:frI£.. _____ _ 

SalTlple Location SV11G Line 1 Kiln Cooler New Meter Y O.9fJS6 .. __ ... __ ........ ___ .. _._ ...... ]3i.1I,E'g~ .. ___ ~8J)Sl ___ il_I._Hg _____ .... __ ..Jl~~L ___ Q.OOO_ .. __ -''lt .. tL_ .. i'.!._!:IO ___ _ 

Date 12/15/09 Test Run 1/ 2 Olili[;13 11@ __ U:U_§.::l. ..... _____ Stat F'.r:ec,-~ _il,) 7 ir.!..H.2<:L_. _____ I"OJ.!illCo's.t .... _. __ {)J)()(L __ at,....? ____ Jr.'o..J:.I9.... __ .. _ Operators DJI</APP Probe Lenqth 5 It. .. _____ l:,tobe LiIIQ.l.J.l'E"L Glass _::::J 10lirer .. __ ... ___ . _______ ._ ........ __ ..... ______ _ 

Sample 

Point 

Slarl Time 

Sample 

Time 

DT 

1100 

Aclual 

Mete( Vol 

Vrn,1I3 

83.83 

Velocity 

l"lead DP, 

ill. H,O 

Orifice 

011 

ill H:.O 

Ideal 

Poillt 

VnhHllB 

Vrn, II" 

Sample 

Ideal T,nill 

Mn!prVo! VOCUU!II 

VIlI,1I3 ill IIq 

St<lr:k 

Tnll!p 

'1 s,' F ()ullet 

____ ·_· .... ·I __ ·_.....EiQI'!P.'-el .. 'I.:!.'!~!.!'E"raltu'eB,.::f......._ .. · .. ·_·I .... _ .. ----- Fillpl rroiJe llllpillqer Mpt/:"f Mete, 

Oullet IlIlel 

()XI'QAIl 

Conlon!, 

I--:fr-l=ii=dib =~-li .... ; ~=Il~~= .. ~~j~~~~~ .. ;~~~~~ .. =~=:;;~~:~r~ .... ~ ~~~;~- .. ~~ .. ~~---~;~~t_=~ ~;--="~~-=-: ' .. ~:~~~~="-~] -"-'--'C':::" 

95.51 0.3tO 1.35 3.t1 %.71' • 5'1 ' • , 

---1"--- 5.0 

L .. __ __ 10.0 

3 1---= 

;!O.9 

--go:Sy--" --.. 0.300 1.3 (----·-.. 3:0ii-- --·8U.II:i"-·-·" .. - ....... ~· .... --5;j .. ·- - ........... -, .. -..... -.. . .. -:- ... -..-~-

101.70 0.320 1.40 3.17 -.. -·102.00 .. -.... -.-.--;-.. --.... - ,,5 - .. -.-.. -;-.. -.... --........ -. ..,- .. 

-~ --I ~ gi:;~ g~~~ ~ :~~ .- ;g~ = =:~g~ =- .. =:=~-====~~~ .... -===~~==~-=~ .. -; .. -.. =-- =-.~~:~-==--~ 1_ .. · __ ·..:·"-_· .. · .. · .. _ .... 1 --............ - ..... .. 

5 ~ 25.0 

2.- 30.0 

7 35 n 

-8-----40. v 

1-· ..... 

I· 

_-::7" __ IJ---1..J.0.7B 0.280 1.22 2.96- =1Itlj2"-·===--;-"-===:==='iEi===.=~:._=_ ~ __ .. ~==:::==-:: __ =~===~:.::---.... .-- .......... -... 113.48 0.240 1.04 2.74 113.1G • 57 • • , 

9 45,0 

10 50.0 116.30 0.240 1.05 2.75 116.51 .... --·--.. 5;( .. -·----.... -· --.-.--.-;---.. - ... -.. -.. --;-.-.. ---.. 119.07 0.230 1.00 2.69 -lliJ.~----;----"--56 --- -- "-"--- ----;--------;- -.. -.. 1 ..--2 ..:...- ... - .. 1 ... ----;:;: .. -..... -.. -1 11 55.0 

12 60.0 

13 65.0 122.00 0.280 1.23 --2.98 .. - ..... -122.17- --...... -;-·- ...... - .... ---54 .... · ........ ---"" .......... - .---... : .. - .--........... - .. , ............. - -- ... - ........ ---

124.91 0.270 1.18 2:91 -"12!J.08 - .. -.. --.... 7 .. -----"5U .... - .. · .. · .. --·;--- .. -----;-·-.. ·---· .---.-;-... -- ...... - .. -.-" ..... 

127.74 0.270 1.17 - 2.90--.... --12Too"-"- --..... , ..... --....... --.(32 ........ --. "'--"-.,--.. -- .. -.... -.-"" ............ -. ---.... ;-.. ·--·-·1·--:.:..:.. .. ·-.. -·1-.... · .. ",,,- .. 

--':-",-,,--I---'-'~ 0.260 1.14 ·---;T.flG·-"--" '''-'''1:3U85' -.-.-;-........ - .. -""54"' .. ---.... --... ~.--.. - ............ -.--.. - ........ - ...... -;---.. _... -----.......... -

14 70.0 

1[) 75,0 16----so:o 17 85.0 133.37 0.300 1.30 -~-- '''-1'3'3:00 .. -- ..... - .. ....,--- .. _--GO--"- "---. ---. - .. - ... .,- -.. -.. _- .-----,-.--. .---.. -.. -.-

Hl 90.0 13G.50 0.310 1.34 ·-3':10---- --l3G:Ug"-'''-'' .. --.. --.. ~. "--"(;1""--- .-...... : ....... --.. ----., ..... --... -- .~ ........ -.-. ..-.. --... ---. 

___ 1!L _____ ~.. 139.80 _ O}QO __ ==--!.2T .. ==:=-3:oi..= .. ~=}4002==~===:::~~-:..~ ~:""=:-.. Qil .. :::"'-:" ::..::::- .:_= ~"::-="'::: .. ~.=: .... =:=-__ ':":-.. ::'::::': __ ._ ... :,~ ... __ ... _ ....I ... _--"'''-_ ...... I 20 100.0 142.95 0.320 1.38 3.15 H3.17 • (;1 ' • • 21 105.0 146.00 o.~eo 1.21 --2.~- --14o'j"3""'- .. -...... - . .,---- --.. -(;(j-...... - ---.. --.,.-..... - --.. -.,.--" 1·-.. -·-0· ...... ---1-.. -·-· .. ::= .. --.. _··, .. -·-"",-·-.. ·_ .. -1---

22 110.0 148.75 0.280 1.22 2.96 149.09 -.... """'59-.. ---.. -------.-.----.. -.... -7--- ---.. - ... --

~:-I -- ~~6g :;!;~ ~.~~~ ~----~~.:_~;J;t :::":::~:::"'-:":~::: .... = .. -.. :::..~~:~ .. ~== ........ ~:::~== .. ==~= .. ~~=====:= .. ::::~::: .. =.. ~=:= .. =====-:J 

End Time r428 

Run Time 120 I 

Inlegrated Gas Sarnpling Data: 

Box No. NA 

Bag No. NA 

Bag Vol. NA 

IAV\! DH~ 1.22 

Leal, Rate 'IA 

0, Reading NA 

--,-,,-,-__ ccltnill % 

---- Analyzer No. NA 

Filter No. 

Nozzh, No. 

Nozzlr~ DIl. 

40'1230 

3·fJ 

0.252 

IIV(l Ts~ 

--- _ ... ---_. -- ---+-.-- ..... __ .. _. _ .. _,,, .. _-_. __ .. _.- .... --.-----.-.~-.---

MOISTURE nECOVEny UATII 

hnpl!1f1p.1 i I 

filml VJC, ~I 

Illitial wI., 9 

IJlffnrellcP 

IO~ 

100 

~ 

2 3 

9fJ 2 

100 0 

:2 

-~---.------- .--------

. · .. · .. ·1· ...... '3938-.... 

,1 DesicC311t lotul 

0 1095 ._-----_. 0 1075 
Barr EPA METHOD 5 - FIELD DATA SHEET - RUN 3 

Engineering Cornpany 

Project Clills Natural Resources Inc. Train C- t, S-1, P-6 ______ .PJ.t91J . .tJ.b~_!!Y_'__. _____ 5~.L .. _____________________ C.l)O.8'1() _________________ ._S>£l!llrL~_T lail! __ .Lea"-.n'!!''-'-''I"l- ___ ._. ___ _ 

Sample Location SVI16 Line I I<iln Cooler New Meter Y 0.9986 ___ ...£li:r.r.~I_'!.~, _____ g.!L9.Q_. __ . ___ .ft.rc_I:!g __________ ._. _____ J'lslesL _____ O.OOO . _____ a_Ll!1 ....... m l",J:lg ___ .. __ _ 

Date 12/15/09 Test 1 Run tI 3 Orilice..I:1,,'_) __ 1--'!l.163 ______ ..sJ.<:'!.£'r..ess, __ QJ2:.... __ in. H~___ _Postlest _____ ._tL()!J() _____ -''l.!. __ ll __ .. ___ . __ ir''--JJ£L ____ _ 

Operators DJI<J APP Probe Length 5 It. ____________ ._. _____ ---'22.b_"J-l'-'~}y~"'J ___ .QI!l"_s. ____ L_._ _ ___ JOtlre.' ________________________ ... ______ .. ____ _ 

Sample 

Sample Time Actual 

Point DT Meter Vol 

Vm, 1t3 

ir:r.: nn 

Velocity 

I-lead DP, 

ill,I-I:,O 

Orifice 

DI-I 

in. 1-1,,0 

Ide,,1 

Point 

Volume 

VIII, It" 

Snl1lpln 

Idenl lInin 

MpterVol Vm:tllHIl 

VIII, It:l ill. IIg 

Stn"k 

Teulp 

TS,T 

___ . -- _______ , ____ SiJlllfJ!."rT!.!l!r! __ TfJ'-'-'l!.~a\hJlgS,-.:.!:....--

Plobp. Irnpillqr.r Melpl 

Outlet Illlei 

Filtel Metel 

Outlot 

OXYCiPII 

emllel)l, 

0.270 1.17 2.91 157.Dl ---·;--------(;0-------·-:--·--------, -.. ---- ---··---:-----I------:c:,-----I-----.,.----I-------I 

0.260 1.13 2.8G --160:76---------;---- -------59--- .. ----;-----------------;------ -. --------;------1---·-··----'-",---·-- 1 

Start Tillie 1451 

1 5.0 !'J/.~V 

2 10.0 160.80 

3 15.0 ~--\~~I~Fr______H~-+llt---- 163.79 -=~~~~ -~:=--~--=~- ~-==~...::::--:-== -:-=::..:. .:::~=~~ .. -- --::-- ==-:~==: 4 20.0 16G.65 

5 --25.-0----1= 

- I----G 30 n 

7 35.v 1 

0 40.-0----1 "'" 

9 45.0 

-~--c-3tEq~-=jf~==t= ---WI."I f-i~ ••• ·.~~-.:=1r~~f-~ ~--==7~~~1-----.:..~--.---.- S0-1 g~~~.~ .~~ =~ ~ ~---: : ~~~~_=:: ----, ---------~~ ----- :-~_ ~ =-= -_~_=- -~::_=-: -~ _____ ,_ _ I--------'~c:_: __ ... + __________ _ 10 50.0 184.'10 

11 55.0 187.82 

12 GO.O 191.00 

13 65.0 193.65 0.220 0.9G 2:6·1-- - 193.95--------, ---·----59-- ----,---- .. --------;------,--

----*-1 I--%:;cig : .~~ ;6~ --~- ~ : --=: ==-1,~--== =--~=-----=: =-~=----=-~ :=---:-:=== ·----::.0:·-·-+-----"'''----1----

0.280 1.23 299 --2(j2.~----,-----5G· ---------,-------- -----:----------·-;-----1------".:'------+---

14 70.0 196.31 

15 75.0 199.00 

16 80.0 201,99 0.270 1.18 -2~ -2(jS.l15--- ----0-------- ~------ ------, -- -. ---------;--- -----,------.-- .-.--. 

0.290 1.27 --iiM-- --:';00.;j9- - ---;---.-- --G(i----- ----7----··-- -----------;------.--.- -.-.--

0,270 I. 19 2.Q4 -2~----'---- --s(-; -------, ----.-- --.---:--.------ --. -----;-----\----:;.;,----+---.. -..:.=--.-

----:-~:--I ~'-'VV -, ~~;t---- --Wo-- ~:;~ --~:~~~~=---..;.---=-==::f,¥---=:---.::--~-:=-.::~ .::.:.~-=--~~----:-~.::::=-~-= 

-I I-{~ ~~ --- . ~.~~-= :=--~~~~'; -===-...::=;----=-=- =~~-====~-=--;=::-~=:..:-::-::-:~==::-: ~~=..;.-----=I----....:"'------~-

0.240 --uJ5-- -=- 2.TC= ---22G.G3---:::' =-=-_:==_=-= ==5[j":_==-=--= ,--:.:..-_ ===~== ==-~~=~ 

17 I 85.0 204.97 

10 90.0 208.00 

~r __ 1 

95.0 211.00 

100.0 214.03 

105.0 216.85 

110.0 n~n -.t~ 

~--I 115,0 ':::'-'::':::.DV 

24 120.0 225.30 

I~~:~ :~\~~i_---11654 120 I IAVg DI-I~ -I 1.20 I------I--=~=--=I~~~~~=~: I:~~= 57:!S~-=:1----------1---- I, I\v~ T,II;--t--~302--I-------

Illtngrated Gas Sampling Dala. 

Box No. NA Leal, Rate NA cc/min 

Bag No NA 0:, Reading NA 

Bag Vol NA a, Analyzer No. Nfl 

Filter No. 

Nozzl" No. 

Nozzle DII. 

1104231 

3-8 

0.252 

MOISTUF1E RECOVERY DAI A 

IlllphlqHI 

Fillnlwt.,q 

Illitial wt, q 

DHfpIPllcn 

107 

100 

i 2 :1 Total 

98 ~! 

11 

~ 0 I 

1 oo ______ !! _______ C'""_"~ 
/ 

BARR 

EPA MEnlOD 5 

FIELD DATA SHEET / 

Project \J\ 1 f\ L 

Smpl Loc bc_J..-.-&r;\J (cw) • .1 ')(J"l/ ... :resl Ho 

Metm y 0 .9ft '6fo 

/\1-1 ,a, }~~1JIQ)_ 

13m. Pies "2 ~ /1/). ill Hfl 

Sini. Pins {;-, I 1- ill 11,0 

Plohe Lllqlll - S-·-fI 

______ ~!!.!.lele Tlnill Lenl< nal?, (chIlL _____ . 

______ n~ ___ __ __ R~~~~ _____ _ 

Ruuo 1 - 2 Pretest 6...) ai"T Q ill Ilg Plel isl -0 ,J at Ie ill I-Ig 

Dale 11.. ~ If .09, 51) III G"" ----- Pitot No . . E=_~~ ___ _ Cp_O·'LlL 

P_!o_ 

--;;-;;;;;~;;;;-~-;;;-~ri,;H,;---r;-,;~li;;t(j.IJ;;t·----;;;-Mg 

Operator .lJ'0 'L I PrP f eM --- SM 1 UIlP,1 Typp,: [};(f3lass [IS.S. I]Othel Pi tot (3 in.) Pos. ~·ml:t. L~~- Pitot (3 ill.) Pos. 

IEST-RUNI-n----I EST nlJlT~ 

S;:unple Snmplf! Mete, Velocily Orificf~ Train St~H:k I ___ ~-"I'le Trn~r"'-"[~~I Iv1eter I Iv1ele, II Mnlp.1 Vf!lnr:ity Olifier. Twill Stack I Saillple T,aill·1 Oillp. 'T' r-: Ihlll'll'" -------T----I-i;;;-I~;;-

Mf'lpl k101PI 

Point Time Vnhnnf) ilP. 111-1. Vacuwll Tf!lTIp. 11110.1 Ollllni VnhllllP ,IP. 1111. V<lC\HJIIl "1f'lIlp 

lIT VIll. II' ill 11,0 ill 1-1,.0 ill. II,) Ts. "r Prohl: rille! Olltl{~1 relllP, "F Temp, "[7 VIII, fl' ill 11,,0 illii/J ill. 110 r", 'T Pro!lP Fillet Outlel 

In!nt (lullpl 

fPIIlP, 'r Tt:fflP, 'T 

(?'-''> <{. . . . . '6],''63 . . .' ... .. ' ..• 

JHh::-J~ -/l:S-1 .2. Z:1l _L-J~~ _~ _luJ- j;)..CrL L21 3--C-= _~3_3--=~t2 -~ ~1.J_~~=O:~I~_=i.:L~· 2.. ;'~=--S2-:~ i-i<!.. ___ ~) L.-~:t----}3--.. ___ ~J=_. _~\- 10 I )l.J?..'L~L_l.D.-__ L:l:>_. t:>7 __ -D...:.:]=-___ '2.1_L_y_~L __ ~" __ .3 ~_ ~V·() _J!~zi--l- z ~ Z_c, ___ .. J.: t_. __ ::,-'~' ____ 2_'ff __ X£ ___ .JJ~ ____ L_h_ 

I tv ~=--..3:.t.li. .).Jy i.':IJr, __ I~ SL 1."I __ L.:!-"=-__ L1:. ___ :'!.-._.J_? _____ j]...:'L(_j)._J=_5 __ -,-.'_l~ _3:.} ___ .Y..Y __ :::-y-1----~J'..~-. Vj _____ } __ L __ 2J::. __ _ ~ 2.:> 2jc...:)~ Q, )~cL.J· '2.1.-_...1 .0 _~~ __ '& \/>:> _~'IJ ___ fo _},S __ Jl._ ~t),S::.L _c2:1.J __ l:.:S~_.-!~_,,-___ ~ __ :~_'£I ___ ·L't_L._._£~ ____ 3_'1. __ ~J::: __ _ ~ _~ 2J-l~ () .'1<:> /. 'l (-I 1,0 )- '1 -};, I '1.. \/ J . 'i 1- _~ J >-_ .(;'-~1.J_ J,t1~ __ 13_L __ .!:.~ __ -"£.~ 1. '( J ___ ~l.l:_ .1.-~_:!...D... ___ ~L ___ _ ----.3: 3"" )oS:> t>,1.'b /.1..:> ,.,\ -.-b~ '2.::LL~_1 __ .S"J ____ <J., ___ ~~ ___ I~~:.!~_ o,~~ ___ .!~~~J ____ :;.J~ __ ~....!:.r_'_=__~_~ __ tj;;> ___ JX __ _ L }l~ 33.'j~ ~.J{L.J-1) ,_u .2.j_2~~1_7 .. ,?'£.)1. j~ __ ll __ l~cJ.1t:,o.j~~-,--? ___ ~ __ ~()_ '7.-yo ___ :::_LLL.f~ ____ cl"' ___ :U· ____ _ 

..;,- "10 J~\r,t> \),Y1. /.S(" ".:> b~ 23"1 2.,-/"" y( .3J~ __ 3j __ lo·l'·1.:?::..._~~L.J.:..L~..3..:.? __ O_, -ZY! ___ L.Y.!-__ S~ __ ...:!._I __ ;Lll __ . 

'i 't;_3'i·IoG u,3LJ,tjZ-- /.:;;. \~?_1:.2-'_23J-____ £L_L~3Y ___ )1c:>.}_'L~:.1:...'L..J~_L~"' __ ~ __ 7.r~, 'L/l.- r~ VI Jy; 

'7 s- 0 _ '/Z ,'1-'\- .J),}.!::::.--. /. y,r ~,_) _ --.01- _DL . 2 3 cl_ . ..l.3 __ 33 ____ '3y___ Li.2n. ~_~:1.... J.:.~.....!:..C ____ .0::.- 7:.~!..--=}-I1.. . =~r_ -- 'I L~_l~R= 

I.. I).i..-HS~~ \> ~_\ _L..J~ '.0 k,J"L ]~..2:...._ 7.]cL- __ LL.1...~_. J )O~::,>...<:'..j)..:~:1 I.D\ L_~_-.LL~ _~'!..,=-_SL..'!...I_LY._ I I "".0 I 1/i.I:l\, b,-t.<..( _/.~I /·r «I 1.r..!1 __ ~ __ f,",=-___ )_'6 __ J,_C __ !,(t.t:.'t.9_..1J_J.u9 __ ~JlL 'ZrL '1-y/ _~ '/2. J.:j __ _ 

6-12. ~\ 6vl'L O.H. ",t'\ (.~ fo~L ?/11L- &Vt_~L~_~J, __ ~_r; _ nvu _D2_~_ 1.7-~ __ 'L"__ ____ ~l_].~_lY_"'_ ___ l/..u ____ _'!._I_LL--"-

__ Il...._ ?J 6~.t'-"...J),1._'L -1:.:2.'f._L:c__ ) 1 ·UL1:::.. "l-r ,, ____ s_Y._ }_:i __ ?.J _____ /2.'(,1'1 C __ 0'l~ _ _ ~ __ ~J __ -.2J" 1. '( ( 1. Y·l,~ __ 'LI,., _______ '!.L __ _ -LL_. 

I;::) "1-~ S"b.'l)G l).l1. u.t\t( J.::.,;- 6 I v, L- ~c,,-:.: ____ J __ 3--'L_~_ JzJ1L 1\ '-Z'!/ __ lLL __ 2.:._.l __ 9-,<, .. __ '2yu ___ ..::....!:..~ ___ .'!i,. ___ VL __ ~f_ 

1.... )S ,) sq.ll.. D .1. L ~ __ _ l0"_ )- ~_? .. v~ ~L __ .1- .J~-- ], L_.bj'C,,__ ~_ 0, z (~ __ .LJ...'L_ ..i:_~ ____ [t__ 1. y'-' ____ :J_:L __ 1/ It.... ___ _ J'g ___ ,7lS __ _ 

__ i-~ __ Io1.."\(:, O,".)J 1.'11.. (.) (,,0'2 ,/.::., 7..~" _1....L_li_1J= __ 12l1·'" G.1_~....l:.3.~..L.o._~_l"'-=-_ L'"f/ ____ 1L_.J..rL_~ 

\- (1) b~.I» 0.'3'1 /·n- 2..0 U '2-'/..., 1-"11 )\LJ~ 3 Ie. l~b.~I:l\).~\ d'f ·Z.::> .101 7Y, 'l.y,_ SJ '/~ J~ 

\. Cj( ~<\..'L~ ~:!, \ _J.l{ 2. • .:;:>--S"'~- "VI-l-L~-CL--g)}-·-n--- t3-~.'6t.)·-~_:_3-~\--I.zT1"),--"'T·l..'/D--- ·1.y1_----51...-Y/-}-'I,---

I .;: \S\ 1t .)\Lu.t(l _J.l.f -Z.-' .~ 1-1'1'-' '7.'tL---..Jo·>:tl c, _ 3}-__. -rjl.r,)=~..S>il--J:~---:Z:;-~(- LVi-----7.rc--b~--==VZ:: --=lr==-= 

\( \Uf 1).1'> (), L-~ ,1.1..) '2.-,--' 'P-u-_L"-'. __ ~V __ Jo.J::c. ...'!J ___ ..2:L_'IJ!l~~ __ D. ?:_I.l:U __ _ L . .::> __ ~~ ? Y ~.L r L __ ~.J __ _'lj __ .. }_t ___ _ 

:" \,0 }-~ ,t') 'l i), q~ 1.1 '}- rl, '" c.'l '1. Y 1- 1. ~ ( \n L!..'-_ . ...l..~___ ill':""1-\ ~_~L.J. '2.?-- 2. .;::) j (1 ~.If L. Z 10 ~"'_! ___ _ ~L_} °f_. 

L \.L) ~i:::..,t () Q,1... y_ I...::> ')' ,. f ) .. ,. ~ __ ~ _h..L ___ 1/_, _ ~_. IST1-L i?.i1.~ /. Z 1_ ~_,.J_ 5 t __ ..::....'-t.L_ ~.~ __ !:--_L __ .Y.l ____ .~..':!_ It, V ~:} -L Q,'l')- _"c:>q, I.~_-_=-5' '3. 1.. .. ~\_~_---.k L y,:" ] \S' _ 1)1/. tt_ \).2.~ _'.1. 1. _ 't.:=>_ ~"'L_~~_LL~ b 1. ./ S .y~ __ 

0= vl~l;)~l'l I.LV~ t\ld.'2.~,_ TO=2'l)~' _.__ .__li~b,~i. __ .£I~_&1,jLlllkl:_~1- r"'~1"/1-- -;J~-~KInitialization VGllIp.s T05t nun Time!; 9~AT ~ySI~1I1 Snrnp!~ Traill CDn~~onnllts I Ail rlows 

MeIer OxYoen Moi~ItHQ CC/llIill' 02 

nU"_I __ ~~"P ~~ ~jCllt 1~*le 1-~~180X "'0 .. 1 [1"0 N°:...I_ n"lL Vlll_ .. 1-,,-,-15 ill 1101-.. n .. p.ndill~.- .. '-.I ~~~~.r..·L.,,~;~.I]~~~.;-.-.I.~.o.--.'I·.~.O .. z.iI.:~I1£~~~L ~;~~~~ nUll:' 1'I,l Z,.J.'\ J.i II"() 1'11'11__ "'Io.\'l'l~~ "\"C. _(),t)( 1,Y.l'6\' 1\'1.}1~ 

~\.,~ FlUN2 fl,lC.1!r;"rUnE nFl";OVFIlY: RUI<I1 

__ I.!.!.!phlCJOI 1 2 3 Dooic"alill Tolal 

Fi",,1 wI., 9 t~,& \I>'L L -,,-'n-- Initial Wt.1 q I"" ~, 1'\ I \) Iv· ... -1'-

DiflermlCO -:a_ t.\ 'L rtu r~::-,,--

&ow,,", 

'V,.......,--~'7-

S!.n t Q ... ".·t ~/ I 2.1 t\ 

Q. ~ )\oJ \- @.'. \ 1 C\ 'L ) 

*-~i. - ~ -:--'I-u';~~li~'~,".1 '00 \!I ';) () "~' .. :'. 

-------q- -L-::1:- -:c----- -rl.~\L - 1.'-1 -. 

.1:., \ \_ I 

II0lzie Calib",lioll 

~1<--L;;;-I~lL-=-lfA: 

-"j;~;;i,;"Nc~T~i---

---'---10 ' Z J \ :~ b ~1?-1.------

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Appendix C 

Laboratory Reports and Sample Chain of Custody 
.-' 

Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

Barr Engineering Co. 

January 27, 2010 

Results of Gravimetric Particulate Analysis 

Line 1 Pellet Cooler Exhaust (SV047) 

Filterable Particulate: 

I Front Half Wash ! Filter i Total 

Run i Weight, g I Volume, ml I Blank Corr. ! Net Wt., g Weight, 9 , I I Weight, 9 

R1 I 0.1698 i 165 I 0.0002 i 0.1696 ! , -0.0010 0.1687 i 

R2 1 0.1080 125 I 0.0001 I 0.1079 -0.0012 0.1067 ! 

R3 0.1:38_9 I 125 0.0001 0.1388 -0.0005 0.1383 

; ! ~ 

Blank ; 0.0002 i 200 i ----- : ----- 0.0000 -----

Condensible Particulate: 

Organics: 

M e th lYlene I Chl'd on e x E t t rac 

Run Weight, 9 I Volume, ml I Blank Corr. I 

I I i Net Wt., 9 

R1 1 0.0001 i 200 : 0.0003 I 

I 0.0000 

R2 i 0.0000 i 180 i 0.0002 0.0000 

R3 j 0.0005 i 210 0.0003 : 0.0002 

! I 

Blank ! 0.0001 I 100 ! ----- -----

Note: 0.0000 Net Wt. in Italics, represents a blank corrected value limited to zero. 

Inorganics: 

Run Weight, 9 i DI Volume, ml Blank Corr. Net Wt., 9 

R1 0.0051 i 

I 530 0.0010 0.0041 

R2 0.0029 i 510 0.0010 0.0019 

R3 0.0023 i 574 0.0011 0.0013 

! 

Blank 0.0007 i 370 ----- -----
BARR 

HIBBING LABORATORY REPORT 

PARTICULATE TESTING FRONT HALF GRAVIMETRIC RESULTS 

CLIENT United Taconite LLC. 

PROJECT No. 23691027.03001 003 

TEST T1 

TEST DATE 12/16/2009 

SOURCE ID Line 1 Pellet Cooler Exhaust SV047 

SAMPLING LOCATION Stack 

AIR FILTERS: 4 INCH GFF 

Run Filter ID Description 

R1 404232 C.lean 

R2 404233 Clean 

PROBE WASH: ACETONE 

Run Beaker ID Description 

REMARKS 

PAGE 1 OF 8 

Gross 

Weight 

0.63320 

0.63308 

0.63403 

0.63371 

Gross 

Weight 

ANALYZED ON: 

DatelTime 

DatelTime 

12/18 

Tare 

Weight 

Tare 

Weight 

12/21/2Q0910:32 102.23605 

12/22/2009 9:01 102.23580 

SAMPLES COLLECTED By DJK 

ANALYSIS PERFORMED By DJK 

DatelTime Uncorrected 

Net Mass (g) 

11/17/200913:43 

11/18/2009.9:58 -0.00095 

11/17/2009 13:44 

11/18/20099:57 -0.00116 

-0.00046 

-0.00003 

Is There 

Solvent Evidence of DatelTime Uncorrected Sample 

Net Mass (g) Loss? 

No 

No 

0.00020 No 

1/27/2010 
BARR 

------~~-- --- -------- - -----------

HIBBING LABORATORY REPORT 

PARTICULATE TESTING BACK HALF GRAVIMETRIC RESULTS 

CLIENT United Taconite LLC. 

PROJECT No. 23691027.03001 003 

TEST T1 

TEST DATE 12/16/2009 

SOURCE ID Line 1 Pellet Cooler Exhaust SV047 

SAMPLING LOCATION Stack ANALYZED ON 12/23 

Run Beaker ID Description 

Run Beaker ID Description 

GreyResidue 

REMARKS 

PAGE 2 OF 8 

Gross 

Weight 

Gross 

Weight 

98.95717 

98.95731 

·100.55939 

100.55978 

ANALYSIS PERFORMED By DJK 

DatelTime Tare 

Weight DatelTime 

121291200910:02 100.4477.1 11/18/20099:23 

Is There 

Solvent Evidence of 

Uncorrected Volume Sample 

Net Mass (g) (ml) Loss? 

1212912009.18:51 100:44810 11!18/20m~ 15:48 0.00005 200 No 

DatelTime 

12129/200910:15 

12129/200918:45 

96;85998 11/18/200.99:24 

96.86039 11/18/200915:48 

Tare DatelTime Weight 

98.95191 11/18/2009 9:27 

98.95232 1.1/18/200915:45 

102.13791 

102.13780 

0.00047 

Uncorrected 

Net Mass (g) 

0.00513 

0.00234 

180 No 

100 No 

Is There 

Solvent Evidence of 

Volume Sample 

(ml) Loss? 

530 No 

No 

570 No 

1/27/2010 
Cliffs Natural Resources Inc. 

United Taconite, LLC. 

Forbes, Minnesota 

Barr Engineering Co. 

January 20, 2010 

Results of Gravimetric Particulate Analysis 

Line 2A Waste Gas Stack (SV048) 

Filterable Particulate: 

I Front Half Wash Filter Total 

Run Weight, g Volume, ml Blank Corr. Net Wt.. g Weight. g Weight, g 

R1 0.0078 130 0.0001 0.0077 0.0309 0.0386 

R2 0.0048 130 0.0001 0.0047 0.0197 0.0244 

R3 0.0042 105 0.0001 0.0041 0.0283 0.0324 

Blank 0.0002 200 ----- ----- -0.0002 -----

Condensible Particulate: 

Organics: 

Methylene Chloride Extract 

Run Weight, g Volume, ml Blank Corr. Net Wt., g 

R1 0.0008 335 0.0005 0.0003 

R2 0.0009 290 0.0004 0.0004 

R3 0.0010 300 0.0004 0.0005 

Blank 0.0004 250 ----- -----

Inorganics: 

Run Weight g i DI Volume, ml . Blank Corr. Net Wt., g 

R1 I 0.0121 332 0.0011 ! 0.0110 

R2 0.0124 426 i 0.0014 0.0110 

R3 0.0168 i 350 0.0012 0.0151 

! 

Blank 0.0013 400 i ----- -----
___ 

BARR~ 1Ii1 

HIBBING LABORATORY REPORT 

PARTICULATE TESTING FRONT HALF GRAVIMETRIC RESULTS 

CLIENT United Taconite LLC. 

PROJECT No. 23691027.03001 003 

TEST T1 

TEST DATE 12/10/2009 

SOURCE ID Line 2A Waste Gas Stack SV048 

SAMPLING LOCATION Stack 

AIR FILTERS: 4 INCH GFF ANALYZED ON: 12/11 

Run Filter ID Description Gross Daterrime Tare 

Weight Weight 

0.66772 12/15/2009 19:26 0.63662 

R1 404225 Black 0.66774 12116/2009 17: 17 0.63702 

0.65134 12/15/2009 19:21 0.63162 

R2 404226 Black 0.65128 12/16/2009 17: 1 8 0.63158 

0.65988 12/15/2009 19:28 0.63129 

R3 404228 Black 0.65946 12/16/2009 17: 19 0.63150 

0.63438 12/15/2009 19:25 0.63424 

RO 404224 Blank 0.63408 12/16/2009 17: 16 0.63461 

PROBE WASH: ACETONE 

Run Beaker Description Gross Daterrime Tare 

ID Weight Weight 

100.31636 12115/2009 19: 1 I 100.30829 

R1 78 Grey Residue 100.31614 12116/2009 17:09 100.30859 

102.96105 12/15/2009 19: 19 102.95585 

R2 89 Grey Residue 102.96072 12116/2009 17: 10 102.95629 

97.37047 12115/2009 19: 19 97.36598 

R3 121 Grey Residue 97.37011 12116/2009 17:10 97.36618 

99.59210 12115/2009 19: 17 99.59170 

RO 120 Blank 99.59202 12/16/2009 17:08 99.59208 

REMARKS 

PAGE 1 OF2 

SAMPLES COLLECTED By DJK 

ANALYSIS PERFORMED By DJK ------

DateiTime Uncorrected 

Net Mass (g) 

11/17/200913:31 

11/18/2009 10:03 0.03091 

11/17/2009 13:38 

11/18/2009 10:02 0.01971 

11/17/200913:38 

11/18/2009 10: 01 0.02828 

11/17/200913:36 

11/18/2009 10:04 -0.00019 

Daterrime Solvent Is There 

Uncorrected Volume Evidence of 

Net Mass (9) (ml) Sample Loss? 

11/18/20099:08 

11/18/200915:25 0.00781 130 No 

11/18/20099:09 

11/18/2009 15:23 0.00481 130 No 

11/18/20099:10 

11/18/2009 15:38 0.00421 105 No 

11/18/2009 9:07 

11/18/2009 15:26 0.00017 200 No 

1/20/2010 
BARR 

OHMS LANE LABORATORY REPORT 

PARTICULATE TESTING BACK HALF GRAVIMETRIC RESULTS 

CLIENT United Taconite LLC. 

PROJECT No. 23691027.03 001 003 

TEST T1 

TEST DATE 12/10/2009 

SOURCE 10 Line 2A Waste Gas Stack SV048 

SAMPLING LOCATION Stack 

METHYLENE CHLORIDE EXTRACT (ORGANIC) 

Run Beaker Description Gross Date/Time Tare 

10 Weight Weight 

0.99535 12129/2009 18:55 0.99455 

R1 T31 Light colored 

0.99536 12/30/2009 7:33 0.99457 residue 

Light colored 0.99635 12/29/2009 18:56 0.99548 

R2 T32 residue 0.99636 12130/2009 7:34 0.99550 

Light colored 0.99214 12129/2009 18:56 0.99119 

R3 T33 residue 0.99215 12130120097:34 0.99118 

Light colored 0.99074 12129/2009 18:57 0.99035 

RO T34 residue 0.99072 12130/2009 7:35 0.99037 

WATER FRACTION (INORGANIC) 

Run Beaker Description Gross Date/Time Tare 

10 Weight Weight 

1.30322 12129/2009 19:05 1.29102 

R1 T45 White residue 1.30308 12130/2009 7:21 1.29104 

1.30385 12/29/2009 19: 12 1.29139 

R2 T46 White residue 1.30371 1213012009 7:27 1.29141 

1.28703 12129/2009 19:01 1.27003 

R3 T47 White residue 1.28668 12130/2009 7:24 1.27003 

1.30378 12129/2009 19:00 1.28202 

RD T48 White residue 1.28334 12130/2009 7:29 1.28199 

1.28334 12130/2009 19:54 

REMARKS 

PAGE 2 OF 2 

SAMPLES COLLECTED By TAK 

ANALYSIS PERFORMED By rv1Drv13 12/22 

Date/Time Solvent Is There 

Uncorrected Volume Evidence of 

Net Mass (g) (ml) Sample Loss? 

1217/2009 19:13 

1218/2009 20:42 0.00079 335 No 

1211/200919:12 

1218/2009 20:42 0.00087 290 No 

1217/200919:11 

1218/2009 20:45 0.00096 300 No 

121 112009 19:10 

1218/2009 20:46 0.00037 250 No 

Date/Time Solvent Is There 

Uncorrected Volume Evidence of 

Net Mass (g) (ml) Sample Loss? 

12126/2009 15:21 

12/27/200914:51 0.01212 420 No 

12126/2009 15:21 

12127/2009 14:52 0.01238 500 No 

12126/2009 15:20 

12/27/200914:54 0.01683 445 No 

12126/2009 15: 19 

12127/2009 14:54 0.00134 400 No 

1/20/2010 

1 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

Barr Engineering Co. 

January 20, 2010 

Results of Gravimetric Paliiculate Analysis 

Line 2B Waste Gas Stack (SV049) 

Filterable Particulate: 

I Front Half Wash Filter Total 

Run Weight. 9 Volume. ml Blank Corr. Net Wt., 9 Weight, 9 Weight. 9 

RI 0.0040 130 0.0001 0.0039 0.0142 0.0181 

R2 0.0034 130 0.0001 0.0032 0.0130 0.0163 

R3 0.0049 120 0.0001 0.0048 0.0131 0.0185 

Blank 0.0002 200 ----- ----- -0.0002 -----

Condensible Particulate: 

Organics: 

rvlethvlene Chloride Extract 

Run Weight, 9 Volume. ml Blank Corr. Net WI., g 

RI 0.0001 335 0.0005 0.0002 

R2 0.0008 325 0.0005 0.0004 

R3 0.0011 335 0.0005 0.0006 

Blank 0.0004 , 250 ----- -----

Inorganics: 

Run Weight, 9 . DI Volume, ml Blank Corr. Net Wt., 9 

RI 0.0120 i 382 0.0013 0.0107 

R2 0.0081 ! 403 0.0013 i 0.0068 

R3 0.0110 395 0.0013 i 0.0097 

I 

Blank , 0.0013 i 400 ----- , -----
HIBBING LABORATORY REPORT 

BARR PARTICULATE TESTING FRONT HALF GRAVIMETRIC RESULTS 

CLIENT United Taconite LLC. 

PROJECT No. 23691027.03 001 003 

TEST T1 

TEST DATE 12/8/2009 

SOURCE ID Line 2B Waste Gas Stack SV049 

SAMPLING LOCATION Stack 

AIR FILTERS: 4 INCH GFF ANALYZED ON: 12/11 

Run Filter ID Description Gross Daternme Tare 

Weight Weight 

0.64510 12/15/2009 19:23 0.63103 

R1 404221 Brownish Tan 0.64538 12/16/2009 17: 13 0.63106 

0.64467 12115/2009 19:24 0.63179 

R2 404222 Brownish Tan 0.64481 12116/2009 17: 14 0.63163 

0.64299 12/10/2009 19:25 0.62909 

R3 404223 Brownish Tan 0.64276 12116/2009 17: 15 0.62931 

0.63438 12115/2009 19:25 0.63424 

RO 404224 Blank 0.63408 12/16/2009 17: 16 0.63461 

PROBE WASH: ACETONE 

Run Beaker ID Description Gross Daterrime Tare 

Weight Weight 

100.62020 12/15/2009 19:14 100.61596 

SAMPLES COLLECTED By 

Date.Tfime Uncorrected 

Net Mass (g) 

11/17/200913:32 

11/18/2009 10:07 0.01420 

11 Ii f 12009 13:33 

11/18/2009 10:06 0.01303 

11/1 f 12009 13:34 

11/18/2009 10:05 0.01368 

11/17/2009 13:36 

11/18/2009 10:04 -0.00019 

Date.Tfime Solvent 

Uncorrected Volume 

Net Mass (g) (ml) 

11/18/2009 9:04 

R1 92 Light Grey 100.61972 12116/2009 17:05 100.61586 11118/2009 15:28 0.00405 130 

100.28477 12115/2009 19: 15 100.28111 11/18/2009 9:05 

R2 93 Light Grey 100.28427 12116/2009 17:06 100.28121 11/18/2009 15:28 0.00336 130 

97.13179 12115/2009 19: 16 97.12673 11/18/20099:06 

R3 41 Light Grey 97.13138 12116/2009 17:07 97.12666 11/18/2009 15:27 0.00489 120 

99.59210 12115/2009 19: 17 99.59170 11/18/20099:07 

RO 120 Blank 99.59202 12116/2009 17:08 99.59208 11/18/2009 15:26 0.00017 200 

REMARKS 

PAGE 1 OF2 

DJK 

DJK 

Is There 

Evidence of 

Sample Loss? 

No 

No 

No 

No 

1/20/2010 
OHMS LANE LABORATORY REPORT 

PARTICULATE TESTING BACK HALF GRAVIMETRIC RESULTS 

CLIENT United Taconite LLC. 

PROJECT No. 23691027.03001 003 

TEST T1 

TEST DATE 12/8/2009 

SOURCE ID Line 28 Waste Gas Stack SV049 

SAMPLING LOCATION Stack 

METHYLENE CHLORIDE EXTRACT (ORGANIC) 

Run Beaker ID Description Gross DatelTime Tare 

Weight Weight 

Light colored 0.99992 12129/2009 18:53 0.99923 

R1 T28 residue 0.99993 12/30/20097:31 0.99926 

Light colored 0.99580 12129/2009 18:54 0.99497 

R2 T29 residue 0.99583 12/30/20097:31 0.99498 

Light colored 0.99755 12/29/2009 18:54 0.99649 

R3 T30 residue 0.99758 12130/2009 7:32 0.99653 

Light colored 0.99074 12129/2009 18:57 0.99035 

RO T34 residue 0.99072 12130/20097:35 0.99037 

WATER FRACTION (INORGANIC) 

Run Beaker ID Description Gross DatelTime Tare 

Weight Weight 

1.29786 12129/2009 19: 13 1.28583 

R1 T42 White residue 1.29771 12/30/2009 7:28 1.28581 

1.30351 12129/2009 19:06 1.29532 

R2 T43 White residue 1.30341 12/30/2009 7:23 1.29532 

1.30796 12/29/2009 19: 13 1.29680 

R3 T44 White residue 1.30774 12130/2009 7:27 1.29684 

1.30378 12129/2009 19:00 1.28202 

RO T48 White residue 1.28334 12130/2009 7:29 1.28199 

1.28334 12/30/2009 19:54 

REMARKS 

PAGE 2 OF 2 

SAMPLES COLLECTED By TAK 

ANALYSIS PERFORMED By MDM3 12/22 

DatelTime Solvent Is There 

Uncorrected Volume Evidence of 

Net Mass (g) (ml) Sample Loss? 

1217/2009 19: 15 

12/8/2009 20:40 0.00068 335 No 

12/7/2009 19: 14 

12/8/2009 20:41 0.00084 325 No 

1217/200919:13 

1218/2009 20:41 0.00106 335 No 

121/1200919:10 

1218/2009 20:46 0.00037 250 No 

DatelTime Solvent Is There 

Uncorrected Volume Evidence of 

Net Mass (g) (ml) Sample Loss? 

12126/2009 15:22 

12127/2009 14:49 0.01197 470 No 

12126/2009 15:22 

12127/2009 14:50 0.00814 500 No 

12126/2009 15:21 

12127/200914:51 0.01103 485 No 

12126/2009 15: 19 

12127/2009 14:54 0.00134 400 No 

1/2012010 
Cliffs Natura! Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

Barr Engineering Co. 

January 20, 2010 

Results of Gravimetric Particulate Analysis 

Line 1 Kiln Cooler New (SV116) 

Filterable Particulate: 

I Front Half Wash Filtet· Total 

Run Weight, g. Volume, ml Blank Corr. Net Wt.. 9 Weight. 9 Weight. 9 

Rl 0.0054 75 0.0001 0.0053 -0.0003 0.0050 

R2 0.0056 75 0.0001 0.0055 -0.0010 0.0045 

R3 0.0059 i 15 0.0001 0.0058 -0.0015 0.0042 

Blank 0.0002 200 ----- ----- 0.0000 -----
BARR 

HIBBING LABORATORY REPORT 

PARTICULATE TESTING FRONT HALF GRAVIMETRIC RESULTS 

CLIENT United Taconite LLC. 

PROJECT No. 23691027.03001 003 

TEST TI 

TEST DATE 12/15/2009 

SOURCE 10 Line 1 Kiln Cooler (nev,,1) SV116 

SAMPLING LOCATION Stack 

AIR FILTERS: 41NCH GFF ANALYZED ON: 12/18 

Run Filter 10 Description Gross Datemme Tare 

Weight Weight 

0.63377 12/21/2009 10:44 0.63407 

R1 404229 Pink 0.63376 1212212009 9:08 0.63402 

0.63211 12/21/2009 10:45 0.63300 

R2 404230 Pink 0.63192 12/2212009 9:09 0.63306 

0.63200 12121/2009 10:46 0.63353 

R3 404231 Pink 0.63151 12/2212009 9: 1 0 0.63307 

0.63447 12121/200910:51 0.63434 

RO 404239 Blank 0.63413 12122/20099:13 0.63431 

PROBE WASH: ACETONE 

Run Beaker ID Description Gross DatelTime Tare 

Weight Weight 

97.08356 12/21/2009 10:28 9/.07825 

R1 123 Grey Residue 97.08378 12122/2009 9: 04 97.07832 

101.98520 12121/2009 10:29 101.97974 

R2 124 Grey Residue 101.98540 1212212009 9:03 101.97972 

99.41297 12121/200910:30 99.40696 

R3 125 Grey Residue 99.41273 1212212009 9:02 99.40694 

102.24486 12121/200910:35 102.24457 

RO 90 Blank 102.24481 1212212009 8:59 102.24469 

REMARKS 

PAGE 1 OF 1 

SAMPLES COLLECTED By DJK 

ANALYSIS PERFORMED By DJK -----

Date/Time Uncorrected 

Net Mass (g) 

11/17/2009 13:39 

11/18/2009 10:00 -0.00028 

11/17/200913:40 

11/18/2009 10:00 -0.00101 

11/17/200913:42 

11/18/20099:59 -0.00154 

11/1//200914:02 

11/18/2009 9:51 -0.00003 

Is There 

DatelTime Solvent Evidence of 

Uncorrected Volume Sample 

Net Mass (g) (ml) Loss? 

11/18/20099:11 

11/18/2009 15:37 0.00539 75 No 

11/18/2009 9: 12 

11/18/2009 15:36 0.00557 75 No 

11/18/2009 9: 13 

11/18/2009 15:36 0.00590 115 No 

11/18/20099:18 

11/18/200915:43 0.00020 200 No 

112012010 
..... 

BARR llequest for Laboratol"Y Analytical Services 

WI 

Check One: D BlIrr Bngineering COlllplIny D !farr Engiueerillg Compa 

470() West 77th Street 739() Ohms Lalll' 

Min/leapolis, MN 55435-48()3 Edillll, MN 55t/3 1)-233() 

Projeel NlIIlIhcr Z 3> . I I b" I 

Harr HlIgiTll'l'rillg COli/pail.!' 

470() Wl'st 77tft ,\-treet 

Milllleapolis, MN 55435-4803 

N~ 

I L~~_IZ, 7-, 0 

(952) 832-26()() (952) 832-26()() 1.1./'(.](,,7. 

Attention: VJ'-'Iv.. \<:c,~l.-4" L fl'>'/! Lll'i ..... ,r .-)~ ____ _ 

I'ft. (952) 832-26()() Fax (1)52) 832-260/ 

(Print Nnme) (Direct Phonc No.) 

Spccial instructions IInd/or spccific rcgulatory rC(luirclllcnts: 

(method, limit or detection, etc.) 

l)\'Ac.. 

Sample Identilieation 

2. 

3. 

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Date/Time 

Collected 

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Dislribution: White-Original Aecompanies Shipment to Lah; Yellow -- Field COJlY PI'" 01/01 
BARR R.equest for Laboratory Analytical Servic(~s 

DiMiD&U Jinuma ----Chcck Onc: 

OBarr E1lgilleering COlllpa1lY ~/Bll,.r E1lgi11eering 

47(}(} JVest 77th Street ~ 739() Ohms LallC 

Minneapolis, "'IN 55435-4803 Edinll, /lIN 55439-2330 

Projcct NUlIlhcr. Z 

!Jarr Ellgi1l{'cri1lg Compally 

4700 West 77tfT .')'trcct 

Minneapolis. /liN 55435-4803 

N2 

(952) 832-2600 (952) 832-260() 

Attention: thV1 r<:')L~' L L-(~" I~,d_ f(:c11<.v{j~ __ L_?J'l_?~~·5(,,~) Ph, (952) 832-2(i()() Pax (952) 832-26()f 

-, .. , "'".",,' (Uireci Phonc No.) 

Spccial instructions and/or' spccific rcgulatory "cquircll1cnts: 

(method, limit ordctcction, ctc.) 

LA ll~L- c I) 

Sample Idcntilication f) a t ci'ri III c Mcdia 

Collcctcd LD. II I o u ~~ 0' K -'I ~ / / / / / / / . . \, r - r I I I 

1. ljDI·IHI 

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3. /SS 3 I ljL1Y1. n ~. Y ------.---~ ---

" . ~I-:- IID0 lJ 0 '~!:.2 \L___ r r -- ,----- ---_ .. . _--- -------- ----

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'" !:i 

6 

( .. {~ 

Da t c/Ti mc 

Da t c/Ti mc 

LABORATORY: I~J\ e. ~ H. -,-111_ 

Rcccived by: late/Time 

Rcceivcd I late/Time 

1 2121 

Rcmarks 

g \"" 1(, 

~ rllll,· Method of Shipmcnt: 

< 

'J) 

~ Collcctors Signaturc: 

[J UPS Ot.hcr: 

_t~L/(\h.J 

I~cceivcd at Lah by: -------_.-

Sample COl1ditiol1 upon I~l'ceipt: ~lTeptahlc 

Uatl'ITill1C /2 -/D, 

[]()tl1cr (cxplain) 

~ Datc: 

Distrib\ltion: White-Original Accompanics Shipmcnt. t.o Lab; Yellow - Field Copy 

(je 

IIp\,.OWl\ 
sting'nc, 

1301 N. 3,d St. • Superior WI 54880 • 715-392-7114 • 800-373-2562 • F 715-392-7163 • www.twinportstesting.com 

United Taconite 

PO Box 180 

Eveleth, MN 55734 

Attn: Jennifel' Krause 

Sample Log No: 10C0274 

Sample Designation: 2B Test run Coal/Coke, 12/08/10 

METHOD UNITS 

Moisture Total ASTM 03173 wt. % 

Ash ASTM 03174 wt. % 

Volatile Matter ASTM 03175 wt. % 

Fixed Carbon By Difference ASTM 03175 wt. % 

Sulfur ASTM 04239 wt. % 

Gross Heating Value ASTM 05865 BTUllb 

Carbon ASTM D5373 wt% 

Hydrogen ASTM 05373 wt. % 

Nitrogen ASTM 05373 wt. % 

Oxnlen ASTM 03176 wt. % 

Ch!cri"e AS-rW. ')6721 tiij/g 

Flucrinc: ASTM 03761 ug/g 

MerctilY ASTM 06722 ug/g 

Sod:;. rn Oxide in Ash ASTM D3682 wt.% 

Hardgrove Grindability Index ASTIvl 0409 wt. !index 

Additional: 

Pre""ed 8y:_ ~1Jv,"a1M~U_[-- __ " __ _ 

Date Received: Jan 25, 2010 

Date Tested: Jan 25, 2010 

MOISTURE & MOISTURE AS 

ASH FREE FREE RECEIVED 

1.20 

4.52 4.47 

3.674 3.630 

15'126 14441 14268 

Date:_I:.1-M_W-L./_f 1) __ 
in Port 

1301 N. 3rd St. • Superior WI 54880 • 715-392-7114 • 800-373-2562 • F 715-392-7163 • www.twinportstesting.com 

United Taconite 

PO Box 180 

Eveleth, MN 55734 

Attn: Jennifer Krause 

Sarnple Log No: 10C0275 

Sili'('t);'\~ Q·.ls;gllation: 2A Test run Coal/Coke, 12/10/10 

METHOD UNITS 

ASTM 03173 'lit. % 

ASTrvl03174 wt. % 

Volatile MatteI' A8TM 03175 wt. % 

Fixed Carbon By Difference A8TM 03175 wt. % 

Sulfur A8TM 04239 wt. % 

Gross Heating Value A8TM 05865 BTUllb 

--~----~----

1\2-~! ')5373 w~. % 

Hydrcgen ASH! 05373 wt% 

Nitronen A8TM 05373 'lit. % 

A8Tfv1 03176 '1ft. % 

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

FI'}i~~illr. A8TfvI 03761 

~duj': -1'Y AS'rN ')6722 

Sc·c;~-_ :~' Oxide in Ash I\STfI/' 03682 

Ha!'(l~jfOVt.) (;nndability Index !-\8TM 0409 wt.lindex 

Additional: 

Date Received: Jan 25, 2010 

MOISTURE & 

ASH FREE 

14927 

Date Tested: Jan 25, 2010 

MOISTURE 

FREE 

4.57 

3.613 

14245 

AS 

RECEIVED 

1.31 

4.51 

3.566 

14058 

Preoared 8Y;~ __ ' _________ _ 
...;;:J,t1i~rnli;i "Inc . :{mrw.~",<!-," \'''.,~~:~''.t'' ~ 

• Superior, WI 54880 ·715-392-7114 • Fox 715-392-7163 

www.1winportstesting.com 800-373-2562 

Report to Name: . Invoi7e to Na~e: : Project #: jProject Name/P.O. 1 (UL1) 'I !.,,-7 /1 . . I" I L'-!vl' " . I / . 0\ tv 

I (' ~GV\(\lU t-'(fLI/l,,!/l --.JCf\ (;...l \(;t~(.it\.. Desired Service Tumaround 

~ddress; . ~ ,Address: 0 Normal 

'/1 -;/7- ,- I':': l,., J" \...., t/ '""'..... I· . ..) 

...- lr', 1 .. r-~-1 Ali t VI.( If {& 1 j r-::\1 :>./ , .J I 

" " ..)'1.' (, ~ 

:/\·~l J ',-

Phone: 

,-'"' ~ ....." .,. l(' 'C" "/1 \ .... ·:vl ... \\,..' J 

Fax: .-7: .15-:. :~I-!- , .. I~. 

Phone: ~ '(,flQ . .., . ( .. -!'-:'<...t; I C£?j ,,....""-.<.1 f 

.~~' -, I I .'~ t 

E.(M;lil: " ~ ,. ~ " r, J E·Mail: l. '"" , • ,..,,.. " .! I" ~. \ I , 

(;..10.·11(.; .llA>-ul';!(IL1J, r\f) (LIVI 

Fax:-:l-;/~.-f _ I . 

.")\"-\ l 

r::- TPT# Client I Sample I # of Sample Description: 

Sample Date ConID # tainers 

o Rush-Call Lab to receive pricing and 

to coordinate report date 

Remarks 

I -,,/ ,,,,,1,../. -'7 /1D 0 : ,f,. /'1 .~. Ir,;: .;/" .... ~ /"', .. ~'I· I ,:"."., ~:. I/Dt!-02./T I.:.'-!"sll~ -; .;....... ;-) I~'-""f: ~VL-V I iI/~:i~&!u --([,,(;1,.( l.~VJt<L\iV' rf)i7, l.i'ri'iVi.{ 

• ~ , •• '.-",,. ..,-:""'. '""'" l /' , :-. I" • i r ,....! ~ lOw -z. I...? I foul, 1 ~ ,)i- . IC')1 i<..L.l/l r· ,'(,l fI"Dr . I ;- ,1ft, )L'I \,./ '.-:'r,i.:,ul.,{S :('(/1 I>C~~\·t!-'t.-( , I • ' 

Received By: (TPn Relinquished By: Received By: 
1301 N. 3rd St .• Superior WI 54880' 715-392-7114 • 800-373-2562 • F 715-392-7163 • www.twinportstesting.com 

Barr Enginnering Company Date Received: 1/25/20.10. 

7390 Ohms Lane Date Reported: 1/27/20.10. 

Edina, MN 55439-2330 

Purchase Order # 

Attn: Tom Kuchinski 

TPT Log No: 1DeD335-0338 

Client Project Name: United Taconite 

Client Project Designation: 23/69-10.27.0.3 

ASTM E1915-07a 

Sample Total Sulfur 

TPT# Description Date Dry (wt. %) 

iDeO 335 Green Ball Pellets 12/8/0.9 0..0.0.6 

10eD 336 Fired Pellets 12/8/0.9 0..0.0.2 . 

1O.eO. 337 Green Ball Pellets 12/1010.9 0..0.0.6 

iO.eO 338 Fired Pellets 12/10.10.9 < 0.00.1 

Prepared 8y:_-.:l 1lm,"·a~~ ________________ _ Date:_~{_I_=!2-1!.-.· L1./ ,,",,0 __ _ 
BARR Request for Laboratory Analytical Services N2 12071 

iiAM'WWR4W 

Check One: 

D Barr Engineering Company / 

4700 West 77th Street 

Minneapolis, MN 55435-4803 

(952) 832-2600 

Attention: J:b ""I V:: U cJ-~'\5 k ,(e 

(Print Name) 

n=::r-'Barr Engineering Compa 

t::::5J 7390 Ohms Lane 

Edina, MN 55439-2330 

(952) 832-2600 

t- qs-~-~1:J-')..i:d.i- (Direct Phone No.) 

Special instructions and/or specific regulatory requirements: 

(method. limit of detection. ctc.) C i I Jl 11. 

L.Mot I \. I'-e S (j r':) to ' 

¥--0.::, ~ 1tlN\. \'" S ~ ,:) 

Sample Identification 

Collected by (Print Name): 

Relinquished by: -:)wv 

Relinquished by: 

Collectors Signature: 

t K.JI.-~~,\s k...: 

DatelTime 

Collected 

Media 

J.D. # 

UJ7J3S 

Date/Time 

o FcdEx 0 UPS Other: 

Date: 

Distribution: White-Original Accompanies Shipment to Lab: Yellow - field Copy 

Project Number .d-,l 

Barr Engineering Company 

4700 West 77th Street 

Minneapolis, MN 55435-4803 

Ph. (952) 8321f600 Fax (952)rl32-2601 

IIC ft£o v V\,.t<., I""' C!.:!£LqiJ(,~, _____ _ (Print N~nc) 

Remarks 

Received by: Daterrime 

Received by: Date/Time 

Received at Lab by: DatciTime 

Sample Condition upon Receipt: o Acceptable 0 Other (explain) 

R~·\. 03 II! 
REPORT 

OF 

ANALYSIS 

TO: Barr Engineering Company 

7390 Ohms Lane 

Edina, MN 55439-2330 

ATTN: Tom Kuchinski 

PHONE: (952) 832-2727 

E-Mail: tkuchinski@barr.com 

INVOICE 

LBI Lab # DESCRIPTION 

6090 Green Ball Pellet 

12/8/9 

6091 Fired Pellet 

12/8/9 

6092 Green Ball Pellet 

12110/9 

6093 Fired Pellet 

12110/9 

LAB # 

S 

.0040 

.0038 

.0042 

.0039 

LERCH BROTHERS, INC. 

1600 5th Ave. W. 

P.O. Box 8 

Hibbing, MN 55746 

Phone: (218) 262-3456 

Fax: (218) 262-5808 

DATE: January 27, 2010 

PURCHASE ORDER 

23/69-1027 
January 20,2010 

BARR ENGINEERING CO 

3128 14th AVENUE E 

HIBBING MN 55746 

ATTN: TOM LEIER 

Analysis Report 

Client Sample ID: Coal Composite 12/10109 Sample ID By: 

Date Sampled: Dec 10, 2009 Sample Taken At: 

Date Received: Dec 14, 2009 Sample Taken By: 

Product Description: COAL P.O.#: 

SGS Minerals Sample 10: 491-0941610-002 

Tests Method As Received 

Moisture, Total % ASTM D3302 1.30 

Ash % ASTM D3174 4.66 

Sulfur % ASTM 04239 Method B 3.28 

Gross Calorific Value BTU/LB ASTM D5865 14037 

Carbon % ASTM D5373 79.00 

Hydrogen % ASTM D5373 4.37 

Nitrogen % ASTM D5373 1.65 

Oxygen % ASTM 05373 (by diff) 5.74 

Minerals Services Division 

Barr Engineering 

Line 2A 

UTAC 

2009111/12 TYL 

Q.r£ 

4.72 

3.32 

14222 

80.04 

4.43 

1.67 

5.82 

Vanessa Chambliss 

Branch Manager 

Page 1 of 1 

OAF 

14927 

SGS North America Inc. 16130 Van Drunen Road South Holland t (708) 331-2900 f (708) 333-3060 www.sgs.comfminerals 

Member of the SGS Group (Societe Generale de Surveillance) 

This document is issued by the Company under its General Conditions of Service accessible at http://\vww.sgs,comAerms_and_conditions.hfm. Attention is drawn to the limitation of liability, 

indemnification and jun'sdiction issues defined therein. 

Any holder of this document is advised that information contained hereon reflects the Company's findings at the time of its intervention only and within the limits of Client's instructions, if any. The 

Company's sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and Obligations under the transar;fion documents. Any 

unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law 
January 20,2010 

BARR ENGINEERING CO 

3128 14th AVENUE E 

HIBBING MN 55746 

ATTN: TOM LEIER 

Analysis Report 

Client Sample ID: 

Date Sampled: 

Coal Composite 12/08/09 

Dec 8,2009 

Sample ID By: 

Sample Taken At: 

Date Received: Dec 14, 2009 Sample Taken By: 

Product Description: COAL P.O.#: 

SGS Minerals Sample 10: 491-0941610-001 

Tests Method As Received 

Moisture, Total % ASTM D3302 1.21 

Ash % ASTM D3174 4.71 

Sulfur % ASTM D4239 Method B 3.29 

Gross Calorific Value BTU/LB ASTM D5865 14159 

Carbon % ASTM D5373 78.71 

Hydrogen % ASTM D5373 4.46 

Nitrogen % ASTM D5373 1.32 

Oxygen % ASTM D5373 (by diff) 6.30 

Minerals Services Division 

Barr Engineering 

Line 2B 

UTAC 

2009/11/12 TYL 

4.77 

3.33 

14333 

79.67 

4.52 

1.34 

6.37 

Vanessa Chambliss 

Branch Manager 

Page 1 of 1 

15051 

SGS North America Inc. 16130 Van Drunen Road South Holland t (708) 331-2900 f (708) 333-3060 www.sgs.com/minerals 

Member of the SGS Group (Societe Generale de Surveillance) 

This document is issued by the Company under its General Conditions of Service accessible at http:lAvww.sgs.comAerms_and_conditions.htm. Attention is drawn to the limitation of liability, 

indemnification and juriSdiction issues defined therein. 

Any holder of this document is advised that information contained hereon reflects the Company's findings at the time of its intervention only and within the limits of Client's instructions, if any. The 

Company's sole responsibility is to its Cfient and this document does not exonerate parties to a transaction from exercising all their rights and obfigations under the transaction doc:uments. Any 

unauthoriZed alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law 
Analysis Report 

January 14.2010 

BARR ENGINEERING CO 

3128 14th AVENUE E 

HIB81i~G MN 55746 

ATTN TOM LEIER 

Client Sam::lie 10: 

Date Sampled: 

Date Received: 

Product Description: 

Greenball Composite 12/08/09 

Dec 8.2009 

Dec 14. 2009 

Mise Solid 

Sample ID By: 

Sample Taken At: 

Sample Taken 8y: 

Sample Type: 

P.O.#: 

SGS Minerals Sample ID: 491-0941611-001 

Moisture, Total % 

Sulfur % 

Method 

ASTM D3302 

ASTfvl 04239 Method B 

Minerals Services Division 

As Received 

9.56 

0.02 

Barr Engineering 

Line 2A 

UTAC 

Aggregate 

2009/11/12 TYL 

0.02 

Vanessa Chambliss 

Branch Manager 

Page 1 of 1 

SGS North America Inc. 16130 Van Drunen Road South Holland t (708) 331-2900 f (708) 333-3060 INVlw.sgs.comiminerals 

Member of the SGS Group (Societe Generale de Survef!1ance) 

Tnls oo:::ument IS Issued by the Company under irs Genera! Conditions 0,; Service ac:::essibfe at 17trp://,,,~,·,~,· •. sgs.cDmllenns_and_condj{jons.htm. Atlention is drawn to the limitation of liability, 

;ndemnii7:;ati~n and fun"sdiction issues defined therEI:" 

Any hofder of this do:ument is ad~'issd thai information cC'1lamad hereon renects the Company's findings at the time of its imervention only and within the limits of ClIent's instr'.1r:.tJons. if any. The 

Compan.~'·s sale responsibility is to its Client and this dOcument does net exonerate parries te a Iransa::tio!7 from sxercisin2 all their rights and obligations under the (ransaetbl do:::uments. Any 

unauthorized alteration. forgsryor fafs@:::ation of Ihe content or appaarance of this document is unlawful and cffendars may be prosecuted to the fullest axtent of Ihe law 
Analysis Report 

January 14,2010 

BARR ENGINEERING CO 

3128 14th .AVENUE E 

HIBBING MN 55746 

A TIN: Torvi LEIER 

Clien: Sample 10: 

Date Sampled: 

Date Received: 

Product Description: 

Fired Pellet Composite 12/08/09 

Dec 8,2009 

Dec 14, 2009 

Misc Solid 

Sample 10 By 

Sample Taken .A': 

Sample Taken By: 

Sample Type: 

P. O."F-: 

SGS Minerals Sample 10: 491-0941611-002 

Moisture, Tota! % 

Sulfur % 

Method 

ASTM 03302 

ASTM 04239 Method B 

Minerals Services Division 

As Received 

0.90 

<0.01 

Barr Engineering 

Line 2A 

UTAC 

Aggregate 

20091:1/12 TYL 

<0.01 

Page 1 of i 

( ... O--J /.~ .. _/ /. / ~ .• ,~ __ -) '. ,/.6'". ",-,,_, __ 

Vanessa Chambliss 

Branch Manager 

SGS North America Inc, 16130 Van Drunen Road South Holland t (708) 331-2900 f (708) 333-3060 '1,'ww.sgs.com/minerals 

ty1ember of the SGS Group (So::!ete Generale ce SurvEillance) 

This document is issued by the Company under its General Conditions of Servi:.e accessiDle at nitp.-P''I'''N:.sgS.:::O!T'.:'rerTTls_and_conditions.htm. Attention is drawn to Ihe I:mlfation of ilafli!ity, 

indemnirication and jurisdiction issues darined therein. 

Any ho!der of !nis document is advised that infonnalion cantsined hef'ecn rsne:;ts the Company's findings at tne time ol i:s intarver.!io,"l only and within the limits of Ciisnt's jnslr,;cticns. if any The 

Company's so!e responsibility is to its Client and this documen: aoes no: exonerate panies to a ,ransactbn frem exercising al/ their rights and obligations under the transaction dccumems Any 

unauthonzed alteration, forgery or i'a/si/i:;ation otthe content o,~appearanr::e of this document is unfawfuf and offenders may be prosecuted 10 Ihe fullest extenl of the law 
Analysis Report 

January 14,2010 

BARR ENGINEERING CO 

3~28 14th AVENUE E 

HIBBING MN 55746 

ATTN: TOM LEIER 

Client Sample ID: 

Date Sampled: 

Date Received: 

Product Description: 

Greenbal! Composite 12/10/09 

Dec 10. 2009 

Dec 14, 2009 

r\fJisc Solid 

Sample ID By: 

Sample Taken At: 

Sample Taken By: 

PO.I;. 

Sample Type: 

SGS Minerals Sample 10: 491-0941611-003 

Moisture, Total % 

Sulfur % 

Method 

ASTfvi 03302 

ASTfvi D4239 fviethod B 

Minerals Services Division 

As Received 

9.63 

<0.01 

Barr Engineering 

Line 2B 

UTAC 

2009,'11/12 TYL 

Aggregate 

<0.01 

Vanessa Chambliss 

Branch Manager 

Page '1 of 1 

SGS North America Inc. 16130 Van Drunen Road South Holland t (708) 331-2900 f (708) 333-3060 www.sgs.com/minerals 

r .. 1ember of the SGS Group {So:ie:e GE;>lerale de Sut'.'eil:ancel 

This d::;cumem is issued by Ine (0mpany under Its General Conditions of Service ac:::essible at hrtp:l!.v',v· ..... sgs,com/i8rrns_and_condfrions.hlm. Attention is drat..-n to the limitation of fiabiilty, 

inc&m.'lir;cation and ju,isdiclion iSSUeS deil!~ed therein 

Any holder of this do:;ument is advls?;] Iha! mformatJon contained hereon rellscts the Companys findings a; Ihe time of its intenrention only and within [he limits of elien!":; insrructions, if any. The 

Compan/s sole responsibility is to Ii,; Chen! anj this dOCument does not exonerate parties /0 a transa:;t:::m from cxer:ising all thel~~ nghts and obligations under rne transac!icn ao:;umeniS. Any 

unauthorized afteration, iorgerlor ialsffi:;"tlon of the content or app=arance 0,1 this document is un!a .. vfui and offenders mal be prosecuted /0 the iu!lest extent of the law 
Analysis Report 

January 14,2010 

BARR ENGINEERING CO 

3128 14th AVENUE E 

HIBBING MN 55746 

ATTN: TOM LEIER 

Client Sample 10: 

Date Sampled: 

Date Received: 

Product Description: 

Fired Pellet Composite 12/10/09 

Dec 10. 2009 

Dec 14. 2009 

Misc Solid 

Sample 10 By: 

SamDle Taken At: 

Sample Taken By: 

Sam pis Type: 

P 0.# 

SGS Minerals Sample ID: 491-0941611-004 

Moisture, Total % 

Sulfur % 

Method 

ASTM 03302 

ASTM 04239 Method B 

Minerals Services Division 

As Received 

0.61 

<0.01 

Barr Engineering 

Line 2B 

UTAC 

Aggregate 

2009/11/12 TYL 

<0.01 

Vanessa Chambliss 

Branch Manager 

Page I of 1 

SGS North America Inc. 16130 Van Drunen Road South Holland t (708) 331-2900 f (708) 333-3060 \WIW.sgs.comiminerals 

Membe: of Ine SGS Group (Socie:e Genera!e oe Surveillance) 

Tnls OCCUlTiSm is issued by the Company under i;s Genera! Gondftbns of Service a:::cesslbie a! http://'Nl,· .... ·/.sgs,com/i£frms_and_condilions,htm.Attentionisarawntothelimi,a!ior; of liability, 

Indemnification and jurisddion issues deiinad therein 

Any hofder of this d::x;:ument is advised tnat informa;;on comaineci nap-on f2fiec.ts the Company::; fin::,i1!1gs at the time of its inlarver;ti:::m only and within the limits of Cliant's instnJctio.'1S, if any, The 

Campan}"s sols raspens/bilit)' is to its Ciien: and this d:n;umen! does not exonerate parties te a transaction from exerCising all thefr righrs and aMgatiorls under the lransa::lbn a'~Cum=nrs Any 

unauthon'zed alteration, forgery or fa!sifica!fon of the con len! or appearam::e of this document is unla .... ful and offenders may be prosecuted to the fullest extent of the law 
E G E D 

Inc. 

www.legend-group.com 

January 26, 2010 

Mr. Tom Kuchinski 

Barr Engineering Co. 

4700 W 77th St 

Minneapolis, MN 55435 

Work Order Number: 1000314 

RE: 23691027 

88 Empire Drive 

St Paul, MN 55103 

Tel: 651-642-1150 

Fax: 651-642-1239 

Enclosed are the results of analyses for samples received by the laboratory on 01/25/10. If you have any questions concerning 

this report, please feel free to contact me. 

All samples will be retained by LEGEND, unless consumed in the analysis, for 30 days from the date of this report and then 

discarded unless other arrangements are made. 

Prepared by, 

LEGEND TECHNICAL SERVICES, INC 

Terri Olson 

Client Manager II 

tolson@legend-group.com 

Legend Technical Services, Inc. 

Erin Sloan 

Report Reviewer 

esloan@legend-group.com 

The results in this report apply to the samples analyzed in accordance with 

the chain of custody document. This analytical report must be reproduced 

in its entirety. 
E G IE N 88 Empire Drive 

Technical Services, Inc, 

St Paul, MN 55103 

Tel: 651-642-1150 

Fax: 651-642-1239 

www.legend group.com 

Barr Engineering Co. 

4700 W 77th St 

Minneapolis, MN 55435 

Sample 10 

Green Ball Pellet 

Fired Pellet 

Green Ball Pellet 

Fired Pellet 

Shipping Container Information 

Project: 23691027 

Project Number: 23691027003004 

Project Manager: Mr. Tom Kuchinski 

ANALYTICAL REPORT FOR SAMPLES 

Laboratory 10 

1000314-01 

1000314-02 

1000314-03 

1000314-04 

Matrix 

Other 

Other 

Other 

Other 

Work Order#: 1000314 

Date Reported: 01/26/10 

Date Sampled 

12/08/09 00:00 

12/08/09 00:00 

12/10109 00:00 

12/10109 00:00 

Date Received 

01/25/10 09:58 

01/25/10 09:58 

01/25/10 09:58 

01/25/10 09:58 

Default Cooler Temperature (DC): 

Received on ice: No 

Received on melt water: No 

Custody seals: No 

Case Narrative: 

Legend Technical Services, Inc. 

Temperature blank was not present 

Ambient: Yes 

Received on ice pack: No 

Acceptable (IH/ISO only): No 

The results in this report apply to the samples analyzed in accordance with 

the chain of custody document. This analytical report must be reproduced 

in its entirety. 

Page 2 of 6 
L IE G D 

Technical Services, Inc. 

www.legend-group.com 

Barr Engineering Co. 

4700 W 77th St 

Minneapolis, MN 55435 

Project: 23691027 

Project Number: 23691027003004 

Project Manager: Mr. Tom Kuchinski 

LECO 

Legend Technical Services, Inc. 

88 Empire Drive 

St Paul, MN 55103 

Tel: 651-642-1150 

Fax: 651-642-1239 

Work Order#: 1000314 

Date Reported: 01/26/10 

Analyte Result RL MOL Units Dilution Batch Prepared Analyzed Method Notes 

Green Ball Pellet (1000314-01) Other Sampled: 12/08/0900:00 Received: 01/25/10 9:58 

Sulfur 0.0057 0.00097 % BOA2611 01/26/10 01/26/10 ASTM 

E-1915-07a 

Fired Pellet (1000314-02) Other Sampled: 12108/09 00:00 Received: 01/25/10 9:58 

Sulfur 0.0026 0.00096 % BOA2611 01/26/10 01/26/10 ASTM 

E-1915-07a 

Green 8all Pellet (1000314-03) Other Sampled: 12/10/0900:00 Received: 01/25/10 9:58 

Sulfur 0.0043 0.00099 % BOA2611 01/26/10 01/26/10 ASTM 

E-1915-07a 

Fired Pellet (1000314-04) Other Sampled: 12/10/0900:00 Received: 01/25/10 9:58 

Sulfur 0.0088 0.00097 

Legend Technical Services, Inc. 

% BOA2611 01/26/10 01/26/10 ASTM 

E-1915-07a 

The results in this report apply to the samples analyzed in accordance with 

the chain of custody document. This analytical report must be reproduced 

in its entirety. 

Page 3 of 6 
L E G E N D 88 Empire Drive 

Technical Services, Inc. 

St Paul, MN 55103 

Tel: 651-642-1150 

Fax: 651-642-1239 

www.legend-group.com 

Barr Engineering Co. 

4700 W 77th St 

Minneapolis, MN 55435 

Analyte Result 

Batch BOA2611 - LECO ASTM E-1915-07a 

Blank (BOA2611-BLK1) 

Sulfur < 0.0010 

LCS (BOA2611-BS1) 

Sulfur 3.57 

LCS Dup (BOA2611-BSD1) 

Sulfur 3.54 

Legend Technical Services, Inc. 

Project: 23691027 

Project Number: 23691027003004 

Project Manager: Mr. Tom Kuchinski 

LECO - Quality Control 

Legend Technical Services, Inc. 

RL MOL Units 

Spike 

Level 

Source 

Result %REC 

%REC 

Limits 

Prepared & Analyzed: 01/26/10 

0.0010 % 

Prepared & Analyzed: 01/26/10 

0.0046 % 3.56 100 80-120 

Prepared & Analyzed: 01/26/10 

0.0050 % 3.56 99.5 80-120 

Work Order#: 1000314 

Date Reported: 01/26/10 

%RPD 

0.787 

%RPD 

Limit 

20 

Notes 

The results in this report apply to the samples analyzed in accordance with 

the chain of custody document. This analytical report must be reproduced 

in its entirety. 

Page 4 of 6 
L E G E 

Technical Services, Inc, 

www.legend-group.com 

Barr Engineering Co. Project: 23691027 

4700 W 77th St 

Minneapolis, MN 55435 

Project Number: 23691027003004 

Project Manager: Mr. Tom Kuchinski 

Notes and Definitions 

< Less than value listed 

dry Sample results reported on a dry weight basis 

NA Not applicable. The %RPD is not calculated from values less than the reporting limit. 

MOL Method Detection Limit 

RL Reporting Limit 

RPD Relative Percent Difference 

LCS Laboratory Control Spike = Blank Spike (BS) = Laboratory Fortified Blank (LFB) 

MS Matrix Spike = Laboratory Fortified Matrix (LFM) 

88 Empire Drive 

St Paul, MN 55103 

Tel: 651-642-1150 

Fax: 651-642-1239 

Work Order#: 1000314 

Date Reported: 01/26/10 

Legend Technical Services, Inc. The results in this report apply to the samples analyzed in accordance with 

the chain of custody document. This analytical report must be reproduced 

in its entirety. 

Page 5 of 6 
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Appendix D 

Instrument Output 
Cleveland Cliffs Natural Resources, Inc 

United Taconite, LLC 

Forbes, Minnesota 

Average Analyzer Results 

Run I 02, % 

1 18.1 

2 18.1 

3 ! 18.1 

CR1000 

02_Avg 

TS Percent 

Avg 

12/10/2009 8:02 0.0 

12/10/2009 8:03 0.0 

12/10/2009 8:03 0.0 

12/10/2009 8:03 0.0 

12/10/2009 8:04 0.0 

12/10/2009 8:04 0.0 

12/10/2009 8:04 0.0 

12/10/2009 8:05 14.6 

12/10/2009 8:05 20.0 

12/10/2009 8:05 20.0 

12/10/2009 8:06 20.5 

12/10/2009 8:06 11.2 

12/10/2009 8:06 9.0 

12/10/2009 8:07 9.0 

12/10/2009 8:07 15.5 

12/10/2009 8:07 0.5 

12/10/2009 8:08 10.8 

12/10/2009 8:08 19.4 

12/10/2009 8:08 3.6 

12/10/2009 8:09 0.1 

12/10/2009 8:09 0.1 

12/10/2009 8:09 0.1 

12/10/20098:10 0.1 

12/10/20098:10 0.1 

12/10/2009 8:10 13.1 

12/10/2009 8:11 0.3 

12/10/20098:11 0.0 

12/10/20098:11 0.0 

12/10/20098:12 1.7 

12/10/20098:12 13.5 

12/10/20098:12 0.1 

12/10/20098:13 0.0 

12/10/20098:13 0.0 

12/10/20098:13 0.0 

12/10/20098:14 0.0 

12/10/20098:14 0.0 

12/10/20098:14 0.0 

12/10/20098:15 18.3 

12/10/20098:15 21.0 

12/10/20098:15 21.0 

12/10/20098:16 21.0 

12/10/20098:16 19.3 

12/10/20098:16 13.2 

12/10/20098:17 4.9 

12/10/20098:17 0.5 

12/10/20098:17 12.2 

12/10/2009 8:18 20.8 

12/10/20098:18 20.9 

12/10/20098:18 20.9 

12/10/20098:19 20.9 

12/10/2009 8:19 20.9 

12/10/20098:19 20.9 

12/10/2009 8:20 13.2 

12/10/2009 8:20 0.4 

12/10/2009 8:20 0.2 

12/10/2009 8:21 0.1 

12/10/2009 8:21 0.1 

12/10/2009 8:21 0.1 

12/10/2009 8:22 0.1 

12/10/2009 8:22 0.1 

12/10/2009 8:22 0.1 

12/10/2009 8:23 0.1 

12/10/2009 8:23 0.1 

12/10/2009 8:23 0.6 

12/10/2009 8:24 9.4 

I 

I 

I 

I 

Reference Method Data 

Data Logger Output 

Line 2A WGS (SV048) 

C02,% I S02, ppm 

2.0 i 211.6 

2.0 ! 212.7 

2.0 i 212.1 

1362 CR1000.Std.08 

C02_Avg S02_Avg 

Percent PPM 

Avg Avg 

-0.1 0.1 

-0.1 0.1 

-0.1 0.1 

0.0 0.1 

0.0 0.6 

0.0 0.6 

0.0 0.7 

0.6 0.6 

4.0 0.1 

4.0 -0.1 

1.6 -0.1 

7.7 0.0 

9.0 0.0 

9.0 0.0 

3.4 1.3 

0.0 82.6 

0.1 122.8 

0.1 44.2 

0.0 185.0 

0.0 420.0 

0.0 466.9 

0.0 477.1 

0.0 477.8 

0.0 477.7 

0.1 332.0 

0.0 217.6 

0.0 257.0 

0.0 263.6 

0.0 263.3 

0.1 124.5 

0.0 56.4 

0.0 79.5 

0.0 91.8 

0.0 94.0 

0.0 94.4 

0.0 95.0 

0.0 95.2 

0.1 54.3 

0.1 7.3 

0.1 1.1 

0.1 0.3 

0.1 1.9 

0.1 15.7 

0.1 78.4 

0.0 62.7 

0.1 17.9 

0.1 6.1 

0.1 3.4 

0.1 2.1 

0.1 1.3 

0.1 0.9 

0.1 0.6 

0.1 0.6 

0.0 1.2 

0.0 1.5 

0.0 1.7 

0.0 1.4 

0.0 1.2 

0.0 1.0 

0.0 1.0 

0.0 1.0 

0.0 0.9 

0.0 0.9 

0.0 1.0 

0.1 0.7 

Page 1 of 15 

Comment Codes 

In Stack 

Bias Drift Check 

Standby In Stack 

Notes 

02, Co2, S02 Zero 

20.002, 4.0 Co2 

9.0 02, 9.0 CO2 

479 S02 

261.9 S02 

96.3 S02 

Barr Engineering 

Sampled on 12/10109 

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 

System bias Calibration 

System bias Calibration 

System bias Calibration 

System bias Calibration 

System bias Calibration 

System bias Calibration 

System bias Calibration 

System bias Calibration 

System bias Calibration 

System bias Calibration 

System bias Calibration 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10/09 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 8:24 8.3 1.6 0.5 System bias Calibration 

12/10/2009 8:24 19.8 3.9 0.4 System bias Calibration 

12/10/2009 8:25 19.9 3.9 0.3 System bias Calibration 

12/10/2009 8:25 19.9 4.0 0.3 System bias Calibration 

12/10/2009 8:25 20.0 4.0 0.2 System bias Calibration 

12/10/2009 8:26 20.0 4.0 0.1 System bias Calibration 

12/10/2009 8:26 20.0 4.0 0.1 System bias Calibration 

12/10/2009 8:26 20.0 4.0 0.1 System bias Calibration 

12/10/2009 8:27 20.0 4.0 0.1 System bias Calibration 

12/10/2009 8:27 20.3 2.8 0.1 System bias Calibration 

12/10/2009 8:27 20.2 3.2 0.1 System bias Calibration 

12/10/2009 8:28 12.6 2.6 11.7 System bias Calibration 

12/10/2009 8:28 0.3 0.2 138.7 System bias Calibration 

12/10/2009 8:28 0.2 0.1 220.8 System bias Calibration 

12/10/2009 8:29 0.1 0.1 244.3 System bias Calibration 

12/10/2009 8:29 0.1 0.1 250.9 System bias Calibration 

12/10/2009 8:29 0.1 0.1 253.5 System bias Calibration 

12/10/2009 8:30 0.1 0.1 255.6 System bias Calibration 

12/10/2009 8:30 0.1 0.1 256.6 System bias Calibration 

12/10/2009 8:30 0.1 0.1 257.1 System bias Calibration 

12/10/2009 8:31 0.1 0.1 257.1 System bias Calibration 

12/10/2009 8:31 0.1 0.1 258.5 System bias Calibration 

12/10/2009 8:31 0.1 0.1 259.2 System bias Calibration 

12/10/2009 8:32 0.1 0.1 259.7 System bias Calibration 

12/10/2009 8:32 0.1 0.1 259.6 System bias Calibration 

12/10/2009 8:32 16.0 0.1 191.2 System bias Calibration 

12/10/2009 8:33 20.8 0.1 57.4 System bias Calibration 

12/10/2009 8:33 20.9 0.1 20.5 

12/10/2009 8:33 20.9 0.1 11.0 

12/10/2009 8:34 20.9 0.1 6.8 

12/10/2009 8:34 20.9 0.1 5.0 

12/10/2009 8:34 20.9 0.1 4.1 

12/10/2009 8:35 20.9 0.1 3.3 

12/10/2009 8:35 20.9 0.1 2.9 

12/10/2009 8:35 20.9 0.1 2.5 

12/10/2009 8:36 20.9 0.1 2.2 

12/10/2009 8:36 20.9 0.1 2.1 

12/10/2009 8:36 20.9 0.1 1.9 

12/10/2009 8:37 20.9 0.1 1.6 

12/10/2009 8:37 20.6 0.3 2.3 

12/10/2009 8:37 18.4 1.8 82.5 

12/10/2009 8:38 18.3 1.8 156.1 

12/10/2009 8:38 18.3 1.9 171.3 

12/10/2009 8:38 18.3 1.9 175.7 

12/10/2009 8:39 18.3 1.8 176.9 

12/10/2009 8:39 18.3 1.9 177.7 

12/10/2009 8:39 18.3 1.9 179.4 

12/10/2009 8:40 18.3 1.8 179.8 

12/10/2009 8:40 18.3 1.9 179.0 

12/10/2009 8:40 18.3 1.9 177.9 

12/10/20098:41 18.4 1.9 177.1 

12/10/2009 8:41 18.3 1.9 175.9 

12/10/2009 8:41 18.3 1.9 175.8 

12/10/2009 8:42 18.4 1.8 175.7 

12/10/2009 8:42 18.4 1.9 174.5 

12/10/2009 8:42 18.4 1.8 175.0 

12/10/2009 8:43 18.4 1.8 175.1 

12/10/2009 8:43 18.4 1.9 175.0 

12/10/2009 8:43 18.4 1.9 176.6 

12/10/2009 8:44 18.4 1.8 177.6 

12/10/2009 8:44 18.4 1.8 176.1 

12/10/2009 8:44 18.4 1.8 174.4 

12/10/2009 8:45 18.4 1.8 173.9 

12/10/2009 8:45 18.4 1.8 174.2 

12/10/2009 8:45 18.4 1.8 175.0 

12/10/2009 8:46 18.3 1.9 175.7 

12/10/2009 8:46 18.4 1.9 175.9 

12/10/2009 8:46 18.3 1.9 176.2 

12/10/20098:47 18.3 1.9 176.2 

12/10/20098:47 18.3 1.9 175.0 

12/10/2009 8:47 18.3 1.9 174.2 

12/10/2009 8:48 18.3 1.8 174.1 

12/10/2009 8:48 18.3 1.9 174.3 

Page 2 of 15 
Cleveland Cliffs Natural Resources. Inc Reference Method Data Barr Engineering 

United Taconite. LLC Data Logger Output Sampled on 12110109 

Forbes. Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

1211012009 8:48 18.3 1.9 175.1 

1211012009 8:49 18.3 1.9 175.3 

1211012009 8:49 18.3 1.9 175.0 

1211012009 8:49 18.2 1.9 175.5 

1211012009 8:50 18.3 1.9 175.9 

1211012009 8:50 18.3 1.9 175.5 

1211012009 8:50 18.2 1.9 175.5 

12110120098:51 18.3 1.9 177.7 

1211012009 8:51 18.3 1.9 179.1 

1211012009 8:51 18.3 1.9 179.3 

1211012009 8:52 18.3 1.9 180.1 

1211012009 8:52 18.3 1.9 180.1 

1211012009 8:52 18.2 1.9 180.3 

1211012009 8:53 18.3 1.9 182.2 

1211012009 8:53 18.3 1.9 182.5 

1211012009 8:53 18.3 1.9 181.9 

1211012009 8:54 18.3 1.9 181.3 

1211012009 8:54 18.3 1.9 180.5 

1211012009 8:54 18.3 1.9 180.0 

1211012009 8:55 18.3 1.9 180.6 

1211012009 8:55 18.3 1.9 182.2 

1211012009 8:55 18.3 1.9 184.1 

1211012009 8:56 18.3 1 :9 185.5 

1211012009 8:56 18.3 1.9 185.9 

1211012009 8:56 18.3 1.9 186.2 

1211012009 8:57 18.3 1.9 186.6 

1211012009 8:57 18.3 1.9 185.5 

1211012009 8:57 18.3 1.9 183.6 

1211012009 8:58 18.3 1.9 183.2 

1211012009 8:58 18.3 1.9 184.3 

1211012009 8:58 18.3 1.9 185.9 

1211012009 8:59 18.3 1.9 186.8 

1211012009 8:59 18.3 1.9 187.0 

1211012009 8:59 18.3 1.9 188.1 

1211012009 9:00 18.3 1.9 189.1 

1211012009 9:00 18.3 1.9 188.3 

1211012009 9:00 18.3 1.9 187.1 

1211012009 9:01 18.3 1.9 185.8 

1211012009 9:01 18.3 1.9 185.9 

1211012009 9:01 18.3 1.9 185.8 

1211012009 9:02 18.3 1.9 184.4 

1211012009 9:02 18.3 1.9 182.6 

1211012009 9:02 18.3 1.9 182.1 

1211012009 9:03 18.3 1.9 182.1 

1211012009 9:03 18.3 1.9 181.9 

1211012009 9:03 18.3 1.9 182.3 

1211012009 9:04 18.3 1.9 182.0 

1211012009 9:04 18.3 1.9 180.9 

1211012009 9:04 18.3 1.9 179.9 

1211012009 9:05 18.3 1.9 179.9 

1211012009 9:05 18.3 1.9 180.5 

1211012009 9:05 18.4 1.9 180.1 

1211012009 9:06 20.6 0.4 116.0 

1211012009 9:06 20.9 0.2 32.7 

121101200910:39 20.9 0.1 0.2 

1211012009 10:40 8.9 0.1 38.5 System Bias Check 

1211012009 10:40 0.5 0.1 175.7 System Bias Check 

1211012009 10:40 0.1 0.1 234.5 System Bias Check 

121101200910:41 0.1 0.1 250.2 System Bias Check 

121101200910:41 0.1 0.1 255.0 System Bias Check 

1211012009 10:41 0.1 0.1 257.1 System Bias Check 

1211012009 10:42 0.1 0.1 257.9 System Bias Check 

1211012009 10:42 0.1 0.1 259.1 System Bias Check 

1211012009 10:42 0.1 0.1 260.6 S02261.9 System Bias Check 

121101200910:43 0.1 0.1 260.8 System Bias Check 

1211012009 10:43 0.7 0.1 259.8 System Bias Check 

1211012009 10:43 8.7 0.1 189.8 System Bias Check 

1211012009 10:44 5.7 1.1 211.9 System Bias Check 

1211012009 10:44 19.6 3.8 89.9 System Bias Check 

121101200910:44 19.9 3.9 23.0 System Bias Check 

1211012009 10:45 19.9 3.9 10.4 System Bias Check 

1211012009 10:45 19.9 3.9 6.5 System Bias Check 

1211012009 10:45 19.9 4.0 5.0 System Bias Check 

Page 3 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10109 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 10:46 20.0 4.0 4.0 02 20, C02 4.0 System Bias Check 

12/10/2009 10:46 20.2 3.0 3.5 System Bias Check 

12/10/2009 10:46 20.2 3.0 3.4 System Bias Check 

12/10/2009 10:47 13.0 2.6 3.3 System Bias Check 

12/10/200910:47 0.3 0.2 2.7 System Bias Check 

12/10/200910:47 0.2 0.1 2.7 System Bias Check 

12/10/2009 10:48 0.1 0.1 2.6 System Bias Check 

12/10/2009 10:48 0.1 0.0 2.7 02, C02, S02 Zero System Bias Check 

12/10/2009 10:48 0.1 0.0 2.5 System Bias Check 

12/10/2009 10:49 0.1 0.0 2.4 System Bias Check 

12110/2009 10:49 0.1 0.0 2.3 System Bias Check 

12/10/2009 10:49 0.1 0.0 2.2 System Bias Check 

12/10/2009 10:50 3.8 0.0 2.1 System Bias Check 

12110/2009 10:50 20.2 0.1 1.7 

12/10/2009 10:50 20.9 0.1 1.4 

12/10/2009 10:51 20.9 0.1 1.3 

12/10/2009 10:51 18.7 1.5 52.1 In Stack 

12/10/2009 10:51 18.1 1.9 164.5 In Stack 

12/10/2009 10:52 18.1 1.9 194.5 In Stack 

12/10/200910:52 18.1 1.9 196.7 In Stack 

12/10/2009 10:52 18.1 1.9 197.5 In Stack 

12/10/2009 10:53 18.1 1.9 199.6 In Stack 

12/10/2009 10:53 18.1 1.9 200.6 In Stack 

12/10/2009 10:53 18.1 1.9 200.4 In Stack 

12/10/2009 10:54 18.1 1.9 200.6 In Stack 

12/10/2009 10:54 18.1 1.9 201.3 In Stack 

12/10/2009 10:54 18.1 1.9 199.9 In Stack 

12/10/2009 10:55 18.1 1.9 200.3 In Stack 

12/10/2009 10:55 18.1 1.9 202.4 In Stack 

12/10/2009 10:55 18.1 1.9 203.4 In Stack 

12/10/2009 10:56 18.1 1.9 202.2 In Stack 

12/10/2009 10:56 18.1 1.9 201.2 In Stack 

12/10/200910:56 18.1 1.9 202.0 In Stack 

12/10/2009 10:57 18.1 1.9 201.8 In Stack 

12/10/2009 10:57 18.1 1.9 201.5 In Stack 

12/10/2009 10:57 18.1 1.9 203.7 In Stack 

12/10/2009 10:58 18.1 1.9 206.6 In Stack 

12/10/2009 10:58 18.1 1.9 206.5 In Stack 

12/10/2009 10:58 18.1 1.9 205.9 In Stack 

12/10/2009 10:59 18.1 1.9 206.6 In Stack 

12/10/200910:59 18.1 1.9 206.4 In Stack 

12/10/2009 10:59 18.1 1.9 206.7 In Stack 

12/10/2009 11 :00 18.1 1.9 207.1 In Stack 

12/10/2009 11 :00 18.1 1.9 206.1 In Stack 

12/10/2009 11 :00 18.1 1.9 203.9 In Stack 

12/10/2009 11 :01 18.1 1.9 202.3 In Stack 

12/10/2009 11 :01 18.1 1.9 202.7 In Stack 

12/10/2009 11 :01 18.1 1.9 203.9 In Stack 

12/10/2009 11 :02 18.1 2.0 205.1 Start Run 1 

12/10/2009 11 :02 18.1 2.0 205.3 Point A Run 1 

12/10/2009 11 :02 18.1 1.9 204.6 Point A Run 1 

12/10/2009 11 :03 18.1 1.9 202.3 Point A Run 1 

12/10/2009 11 :03 18.1 2.0 201.2 Point A Run 1 

12/10/2009 11 :03 18.1 1.9 201.7 Point A Run 1 

12/10/2009 11 :04 18.1 2.0 201.0 Point A Run 1 

12/10/2009 11 :04 18.1 2.0 200.7 Point A Run 1 

12/10/2009 11 :04 18.1 2.0 201.9 Point A Run 1 

12/10/2009 11 :05 18.1 2.0 202.6 Point A Run 1 

12/10/2009 11 :05 18.1 1.9 202.1 Point A Run 1 

12/10/2009 11 :05 18.1 2.0 200.9 Point A Run 1 

12/10/2009 11 :06 18.1 2.0 200.3 Point A Run 1 

12/10/2009 11 :06 18.1 2.0 200.5 Point A Run 1 

12/10/2009 11 :06 18.1 2.0 201.4 Point A Run 1 

12/10/2009 11 :07 18.1 2.0 202.3 Point A Run 1 

12/10/2009 11 :07 18.1 2.0 203.7 Point A Run 1 

12/10/2009 11 :07 18.1 2.0 205.6 Point A Run 1 

12/10/2009 11 :08 18.1 1.9 207.6 Point A Run 1 

12/10/2009 11 :08 18.1 1.9 207.3 Point A Run 1 

12/10/2009 11 :08 18.1 2.0 206.7 Point A Run 1 

12/10/2009 11 :09 18.1 2.0 207.3 Point A Run 1 

12/10/2009 11 :09 18.1 2.0 208.3 Point A Run 1 

12/10/2009 11 :09 18.1 1.9 208.8 Point A Run 1 

12/10/2009 11:10 18.1 2.0 209.1 Point A Run 1 

Page 4 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10109 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 11:10 18.1 2.0 210.7 Point A Run 1 

12/10/2009 11:10 18.1 1.9 212.1 Point A Run 1 

12/10/2009 11: 11 18.1 1.9 210.9 Point A Run 1 

12/10/2009 11: 11 18.1 2.0 210.0 Point A Run 1 

12/10/200911:11 18.1 2.0 209.9 Point A Run 1 

12/10/2009 11 :12 18.1 1.9 209.5 Point A Run 1 

12/10/200911:12 18.1 2.0 208.4 Point A Run 1 

12/10/2009 11 :12 18.1 1.9 208.7 Point A Run 1 

12/10/200911:13 18.1 1.9 208.2 Point A Run 1 

12/10/2009 11 :13 18.1 1.9 207.1 Point A Run 1 

12/10/2009 11 :13 18.1 2.0 206.9 Point A Run 1 

12/10/2009 11 :14 18.1 2.0 208.7 Point A Run 1 

12/10/2009 11 :14 18.1 2.0 210.1 Point A Run 1 

12/10/200911:14 18.1 2.0 212.0 Point A Run 1 

12/10/2009 11 :15 18.1 2.0 213.5 Point A Run 1 

12/10/2009 11 :15 18.1 2.0 214.3 Point A Run 1 

12/10/2009 11 :15 18.1 2.0 215.5 Point A Run 1 

12/10/200911:16 18.1 1.9 215.4 Point A Run 1 

12/10/200911:16 18.1 1.9 214.2 Point A Run 1 

12/10/2009 11 :16 18.1 2.0 214.0 Point A Run 1 

12/10/2009 11 :17 18.1 1.9 214.4 Point A Run 1 

12/10/2009 11 :17 18.1 2.0 214.0 Point A Run 1 

12/10/200911:17 18.1 2.0 214.9 Point A Run 1 

12/10/2009 11 :18 18.1 2.0 215.6 Point A Run 1 

12/10/2009 11 :18 18.1 2.0 215.9 Point A Run 1 

12/10/200911:18 18.0 2.0 216.2 Point A Run 1 

12/10/200911:19 18.0 2.0 217.0 Point A Run 1 

12/10/2009 11:19 18.1 2.0 217.5 Point A Run 1 

12/10/2009 11 :19 18.1 2.0 216.5 Point A Run 1 

12/10/2009 11 :20 18.1 1.9 215.4 Point A Run 1 

12/10/2009 11 :20 18.1 2.0 214.7 Point A Run 1 

12110/2009 11 :20 18.1 2.0 215.0 Point A Run 1 

12/10/2009 11 :21 18.1 1.9 215.2 Point A Run 1 

12/10/2009 11 :21 18.1 2.0 214.3 Point A Run 1 

12/10/2009 11 :21 18.1 2.0 214.6 Point A Run 1 

12/10/2009 11 :22 18.1 2.0 215.5 Point B Run 1 

12/10/2009 11 :22 18.1 2.0 216.1 Point B Run 1 

12/10/2009 11 :22 18.1 2.0 217.1 Point B Run 1 

12/10/2009 11 :23 18.1 1.9 218.5 Point B Run 1 

12/10/2009 11 :23 18.1 2.0 220.4 Point B Run 1 

12/10/2009 11 :23 18.1 2.0 223.7 Point B Run 1 

12/10/2009 11 :24 18.1 2.0 225.6 Point B Run 1 

12/10/2009 11 :24 18.1 2.0 226.3 Point B Run 1 

12/10/2009 11 :24 18.1 2.0 227.0 Point B Run 1 

12/10/2009 11 :25 18.1 1.9 225.8 Point B Run 1 

12/10/2009 11 :25 18.1 2.0 222.4 Point B Run 1 

12/10/2009 11 :25 18.0 2.0 220.5 Point B Run 1 

12/10/2009 11 :26 18.0 2.0 221.0 Point B Run 1 

12/10/2009 11 :26 18.0 2.0 220.4 Point B Run 1 

12/10/2009 11 :26 18.0 2.0 220.6 Point B Run 1 

12/10/2009 11 :27 18.1 2.0 220.5 Point B Run 1 

12/10/2009 11 :27 18.1 2.0 219.4 Point B Run 1 

12/10/2009 11 :27 18.0 2.0 218.6 Point B Run 1 

12/10/2009 11 :28 18.0 2.0 218.7 Point B Run 1 

12/10/2009 11 :28 18.1 2.0 218.3 Point B Run 1 

12/10/2009 11 :28 18.1 2.0 216.7 Point B Run 1 

12/10/2009 11 :29 18.1 2.0 216.0 Point B Run 1 

12/10/2009 11 :29 18.1 2.0 215.9 Point B Run 1 

12/10/2009 11 :29 18.1 2.0 215.9 Point B Run 1 

12/10/2009 11 :30 18.1 2.0 216.0 Point B Run 1 

12/10/2009 11 :30 18.1 2.0 215.2 Point B Run 1 

12/10/2009 11 :30 18.1 2.0 212.8 Point B Run 1 

12/10/200911:31 18.1 2.0 211.5 Point B Run 1 

12/10/200911:31 18.1 2.0 212.5 Point B Run 1 

12/10/200911:31 18.0 2.0 212.2 Point B Run 1 

12/10/2009 11 :32 18.0 2.0 212.4 Point B Run 1 

12/10/2009 11 :32 18.0 2.0 213.0 Point B Run 1 

12/10/2009 11 :32 18.1 2.0 214.3 Point B Run 1 

12/10/2009 11 :33 18.1 2.0 214.7 Point B Run 1 

12/10/2009 11 :33 18.1 2.0 214.1 Point B Run 1 

12/10/2009 11 :33 18.1 2.0 213.8 Point B Run 1 

12/10/2009 11 :34 18.1 2.0 215.4 Point B Run 1 

12/10/2009 11 :34 18.1 2.0 216.9 Point B Run 1 

Page 5 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10109 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 11 :34 18.0 2.0 217.6 Point B Run 1 

12/10/2009 11 :35 18.1 2.0 218.8 Point B Run 1 

12/10/2009 11 :35 18.1 2.0 218.1 Point B Run 1 

12/10/2009 11 :35 18.1 2.0 216.3 Point B Run 1 

12/10/2009 11 :36 18.1 2.0 216.3 Point B Run 1 

12/10/2009 11 :36 18.1 2.0 216.9 Point B Run 1 

12/10/2009 11 :36 18.1 2.0 217.2 Point B Run 1 

12/10/2009 11 :37 18.1 2.0 217.2 Point B Run 1 

12110/2009 11 :37 18.1 2.0 216.9 Point B Run 1 

12/10/2009 11 :37 18.1 2.0 215.3 Point B Run 1 

12/10/2009 11 :38 18.1 2.0 213.8 Point B Run 1 

12/10/2009 11 :38 18.1 2.0 211.9 Point B Run 1 

12/10/2009 11 :38 18.1 2.0 208.3 Point B Run 1 

12110/2009 11 :39 18.1 2.0 206.1 Point B Run 1 

12/10/2009 11 :39 18.1 2.0 206.1 Point B Run 1 

12/10/2009 11 :39 18.1 2.0 205.2 Point B Run 1 

12/10/2009 11 :40 18.1 2.0 204.1 Point B Run 1 

12/10/2009 11 :40 18.1 2.0 205.9 Point B Run 1 

12/10/2009 11 :40 18.1 2.0 207.6 Point B Run 1 

12/10/2009 11 :41 18.1 2.0 207.7 Point B Run 1 

12/10/2009 11 :41 18.1 2.0 207.2 Point B Run 1 

12/10/2009 11 :41 18.1 2.0 208.0 Point B Run 1 

12/10/2009 11 :42 18.1 2.0 209.0 Point B Run 1 

12/10/2009 11 :42 18.1 2.0 209.2 Point B Run 1 

12/10/2009 11 :42 18.1 2.0 209.8 Point B Run 1 

12/10/2009 11 :43 18.1 2.0 210.6 Point B Run 1 

12/10/2009 11 :43 18.1 2.0 209.5 Port Change Run 1 

12110/2009 11 :43 20.3 0.6 146.9 Port Change Run 1 

12/10/2009 11 :44 20.9 0.1 39.4 Port Change Run 1 

12/10/2009 11 :44 20.9 0.1 12.4 Port Change Run 1 

12/10/2009 11 :44 20.9 0.1 6.6 Port Change Run 1 

12/10/2009 11 :45 20.6 0.4 7.3 Port Change Run 1 

12/10/2009 11 :45 18.2 1.9 101.6 Port Change Run 1 

12/10/2009 11 :45 18.1 2.0 182.4 Port Change Run 1 

12/10/2009 11 :46 18.1 2.0 201.7 Port Change Run 1 

12/10/2009 11 :46 18.1 2.0 207.1 Port Change Run 1 

12/10/2009 11 :46 18.1 2.0 208.1 Port Change Run 1 

12/10/200911:47 18.1 2.0 209.6 Port Change Run 1 

12/10/200911:47 18.1 1.9 210.4 Port Change Run 1 

12/10/2009 11:47 18.1 1.9 206.6 Port Change Run 1 

12/10/2009 11 :48 18.1 1.9 206.4 Port Change Run 1 

12/10/2009 11 :48 18.1 2.0 207.6 Port Change Run 1 

12/10/2009 11 :48 18.1 2.0 211.6 Port Change Run 1 

12/10/2009 11 :49 18.1 2.0 212.9 Port Change Run 1 

12/10/2009 11 :49 18.1 2.0 213.2 Port Change Run 1 

12/10/2009 11 :49 18.1 2.0 211.7 Port Change Run 1 

12/10/2009 11 :50 18.1 2.0 211.1 Port Change Run 1 

12/10/2009 11 :50 18.1 1.9 210.2 Port Change Run 1 

12/10/2009 11 :50 18.1 1.9 207.6 Point C Run 1 

12/10/2009 11 :51 18.1 2.0 205.4 Point C Run 1 

12/10/2009 11 :51 18.1 2.0 204.4 Point C Run 1 

12/10/2009 11 :51 18.1 2.0 202.4 Point C Run 1 

12/10/2009 11 :52 18.1 2.0 201.3 Point C Run 1 

12/10/2009 11 :52 18.0 2.0 203.1 Point C Run 1 

12/10/2009 11 :52 18.1 2.0 205.1 Point C Run 1 

12/10/2009 11 :53 18.1 2.0 204.5 Point C Run 1 

12/10/2009 11 :53 18.1 2.0 203.8 Point C Run 1 

12110/2009 11 :53 18.1 2.0 206.6 PointC Run 1 

12/10/2009 11 :54 18.1 2.0 209.6 Point C Run 1 

12/10/2009 11 :54 18.1 2.0 209.5 Point C Run 1 

12/10/2009 11 :54 18.1 2.0 207.5 Point C Run 1 

12/10/2009 11 :55 18.1 2.0 206.7 Point C Run 1 

12/10/2009 11 :55 18.1 2.0 207.4 Point C Run 1 

12/10/2009 11 :55 18.1 2.0 207.8 Point C Run 1 

12110/2009 11 :56 18.1 2.0 207.5 Point C Run 1 

12/10/2009 11 :56 18.1 2.0 206.7 Point C Run 1 

12/10/2009 11 :56 18.1 2.0 206.7 Point C Run 1 

12/10/2009 11: 57 18.1 2.0 206.9 Point C Run 1 

12/10/2009 11 :57 18.1 2.0 208.2 Point C Run 1 

12/10/2009 11 :57 18.1 2.0 209.1 Point C Run 1 

12/10/2009 11 :58 18.1 2.0 210.1 Point C Run 1 

12/10/2009 11 :58 18.1 2.0 211.5 Point C Run 1 

12/10/2009 11 :58 18.1 1.9 211.8 Point C Run 1 

Page 6 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12110/09 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 11 :59 18.1 2.0 210.7 Point C Run 1 

12/10/2009 11 :59 18.1 2.0 211.6 Point C Run 1 

12/10/2009 11 :59 18.1 2.0 213.8 Point C Run 1 

12/10/2009 12:00 18.1 2.0 214.9 Point C Run 1 

12/10/2009 12:00 18.1 2.0 213.7 Point C Run 1 

12110/2009 12:00 18.1 2.0 212.1 PointC Run 1 

12/10/200912:01 18.0 2.0 212.8 PointC Run 1 

12/10/2009 12:01 18.0 2.0 214.7 PointC Run 1 

12/10/2009 12:01 18.0 2.0 216.1 Point C Run 1 

12/10/2009 12:02 18.1 2.0 216.2 Point C Run 1 

12/10/2009 12:02 18.0 2.0 214.2 Point C Run 1 

12/10/2009 12:02 18.0 2.0 214.1 Point C Run 1 

12/10/2009 12:03 18.1 2.0 214.8 Point C Run 1 

12/10/2009 12:03 18.1 2.0 213.9 Point C Run 1 

12/10/2009 12:03 18.0 2.0 212.2 Point C Run 1 

12/10/2009 12:04 18.0 2.0 211.7 Point C Run 1 

12/10/2009 12:04 18.1 2.0 211.3 Point C Run 1 

12/10/2009 12:04 18.0 2.0 210.8 Point C Run 1 

12/10/2009 12:05 18.1 2.0 210.8 Point C Run 1 

12/10/2009 12:05 18.1 2.0 209.9 Point C Run 1 

12/10/2009 12:05 18.1 2.0 210.2 Point C Run 1 

12/10/2009 12:06 18.1 2.0 210.2 Point C Run 1 

12/10/2009 12:06 18.1 2.0 210.8 Point C Run 1 

12/10/2009 12:06 18.1 2.0 211.8 Point C Run 1 

12/10/2009 12:07 18.0 2.0 212.8 Point C Run 1 

12/10/2009 12:07 18.1 2.0 215.1 Point C Run 1 

12/10/2009 12:07 18.1 2.0 215.9 Point C Run 1 

12/10/2009 12:08 18.1 2.0 213.9 Point C Run 1 

12/10/2009 12:08 18.1 2.0 212.2 Point C Run 1 

12/10/2009 12:08 18.1 2.0 212.9 End Run 1 

12/10/2009 12:09 18.1 2.0 213.4 

12/10/2009 12:09 18.1 2.0 213.0 

12/10/2009 12:09 18.1 2.0 213.0 

12/10/200912:10 18.1 2.0 211.4 

12/10/2009 12: 10 18.1 2.0 209.9 

12/10/2009 12:10 18.0 2.0 211.0 

12/10/2009 12:11 18.1 2.0 210.7 

12/10/2009 12:11 18.0 2.0 211.1 

12/10/200912:11 18.0 2.0 213.5 

12/10/200912:12 18.1 2.0 213.8 

12/10/200912:12 15.5 1.7 208.4 

12/10/200912:12 1.2 0.2 119.7 

12/10/200912:13 0.4 0.1 47.4 

12/10/2009 12:13 0.2 0.1 16.9 Drift Check 

12/10/200912:13 0.2 0.1 8.6 Drift Check 

12110/2009 12:14 0.1 0.1 6.2 Drift Check 

12/10/200912:14 0.1 0.0 5.2 Drift Check 

12/10/200912:14 0.1 0.0 4.5 02, C02, S02 Zero Drift Check 

12/10/200912:15 1.3 0.2 5.0 Drift Check 

12/10/200912:15 8.6 1.0 75.8 Drift Check 

12/10/200912:15 2.7 0.5 42.1 Drift Check 

12/10/200912:16 19.0 3.7 10.2 Drift Check 

12/10/200912:16 19.9 3.9 4.1 Drift Check 

12/10/200912:16 19.9 3.9 3.0 Drift Check 

12/10/200912:17 19.9 3.9 2.4 Drift Check 

12/10/200912:17 20.0 4.0 2.4 02 20, Co2 4.0 Drift Check 

12/10/200912:17 20.0 4.0 2.1 Drift Check 

12/10/2009 12:18 20.0 4.0 2.0 Drift Check 

12/10/200912:18 19.1 3.1 50.8 Drift Check 

12/10/200912:18 18.5 3.7 36.5 Drift Check 

12/10/200912:19 1.5 0.4 104.1 Drift Check 

12/10/200912:19 0.2 0.1 212.2 Drift Check 

12/10/200912:19 0.1 0.1 244.9 Drift Check 

12/10/2009 12:20 0.1 0.1 253.3 Drift Check 

12/10/2009 12:20 0.1 0.1 256.3 Drift Check 

12/10/2009 12:20 0.1 0.1 258.1 Drift Check 

12/10/200912:21 0.1 0.1 258.1 Drift Check 

12/10/2009 12:21 0.1 0.1 260.7 Drift Check 

12/10/200912:21 0.1 0.0 260.6 Drift Check 

12/10/2009 12:22 0.1 0.0 260.3 261.9 S02 Drift Check 

12/10/2009 12:22 0.2 0.1 260.5 Drift Check 

12/10/2009 12:22 14.5 1.6 255.6 Drift Check 

12/10/2009 12:23 18.0 1.9 224.0 Drift Check 

Page 7 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10109 

Forbes, Minnesota 

line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 12:23 18.0 2.0 215.3 

12/10/2009 12:23 18.0 2.0 213.9 In Stack 

12/10/2009 12:24 18.0 2.0 211.1 In Stack 

12/10/2009 12:24 18.0 2.0 209.0 In Stack 

12/10/2009 12:24 18.0 2.0 208.8 In Stack 

12/10/2009 12:25 18.0 2.0 205.4 In Stack 

12/10/2009 12:25 18.0 2.0 207.3 In Stack 

12/10/2009 12:25 18.0 2.0 210.6 In Stack 

12/10/2009 12:26 18.0 2.0 210.4 In Stack 

12/10/2009 12:26 18.0 2.0 209.4 In Stack 

12/10/2009 12:26 18.0 2.0 209.3 In Stack 

12/10/2009 12:27 18.0 2.0 209.5 In Stack 

12/10/2009 12:27 18.1 2.0 210.5 In Stack 

12/10/2009 12:27 18.1 2.0 210.1 In Stack 

12/10/2009 12:28 18.0 2.0 210.6 In Stack 

12/10/2009 12:28 18.1 2.0 212.4 In Stack 

12/10/2009 12:28 18.1 1.9 212.0 In Stack 

12/10/2009 12:29 18.1 2.0 209.9 In Stack 

12/10/2009 12:29 18.0 2.0 209.4 In Stack 

12/10/2009 12:29 18.1 2.0 210.9 In Stack 

12/10/2009 12:30 18.1 2.0 211.2 In Stack 

12/10/2009 12:30 18.1 2.0 209.8 In Stack 

12/10/2009 12:30 18.1 2.0 208.9 In Stack 

12/10/200912:31 18.0 2.0 209.4 In Stack 

12/10/200912:31 18.1 2.0 210.6 In Stack 

12/10/200912:31 18.1 2.0 210.1 In Stack 

12/10/2009 12:32 18.1 2.0 209.3 In Stack 

12/10/2009 12:32 18.0 2.0 210.2 In Stack 

12/10/2009 12:32 18.1 2.0 211.8 In Stack 

12/10/2009 12:33 18.1 2.0 212.7 In Stack 

12/10/2009 12:33 18.0 2.0 212.3 In Stack 

12/10/2009 12:33 18.0 2.0 212.8 In Stack 

12/10/2009 12:34 18.0 2.0 214.2 In Stack 

12/10/200912:34 18.1 2.0 215.3 In Stack 

12/10/2009 12:34 18.0 2.0 216.2 In Stack 

12/10/2009 12:35 18.1 2.0 216.9 In Stack 

12/10/2009 12:35 18.1 2.0 215.6 In Stack 

12/10/2009 12:35 18.0 2.0 214.5 In Stack 

12/10/2009 12:36 18.0 2.0 215.3 In Stack 

12/10/2009 12:36 18.0 2.0 217.1 In Stack 

12/10/200912:36 18.0 2.0 216.5 In Stack 

12/10/2009 12:37 18.0 2.0 215.8 In Stack 

12/10/2009 12:37 18.0 2.0 216.5 In Stack 

12/10/200912:37 18.0 2.0 217.0 In Stack 

12/10/2009 12:38 18.0 2.0 217.0 In Stack 

12/10/2009 12:38 18.0 2.0 218.0 In Stack 

12/10/2009 12:38 18.0 2.0 219.5 In Stack 

12/10/2009 12:39 18.0 2.0 219.6 Start Run 2 

12/10/2009 12:39 18.0 2.0 221.0 Run 2 

12/10/2009 12:39 18.1 2.0 221.6 Run 2 

12/10/2009 12:40 18.1 2.0 221.7 Run 2 

12/10/2009 12:40 18.0 2.0 223.0 Run 2 

12/10/2009 12:40 18.1 2.0 225.3 Run 2 

12/10/200912:41 18.1 2.0 226.3 Run 2 

12/10/200912:41 18.0 2.0 226.0 Run 2 

12/10/2009 12:41 18.1 2.0 226.6 Run 2 

12/10/2009 12:42 18.1 2.0 225.8 Run 2 

12/10/2009 12:42 18.1 2.0 224.8 Run 2 

12/10/2009 12:42 18.0 2.0 224.7 Run 2 

12/10/2009 12:43 18.1 2.0 224.1 Run 2 

12/10/200912:43 18.1 2.0 222.2 Run 2 

12/10/2009 12:43 18.0 2.0 220.3 Run 2 

12/10/2009 12:44 18.0 2.0 220.8 Run 2 

12/10/200912:44 18.1 2.0 221.1 Run 2 

12/10/200912:44 18.1 2.0 220.4 Run 2 

12/10/2009 12:45 18.1 2.0 220.7 Run 2 

12/10/2009 12:45 18.1 2.0 221.1 Run 2 

12/10/2009 12:45 18.1 2.0 220.4 Run 2 

12/10/2009 12:46 18.1 1.9 218.4 Run 2 

12/10/2009 12:46 18.1 1.9 215.6 Run 2 

12/10/200912:46 18.1 1.9 214.2 Run 2 

12/10/2009 12:47 18.1 1.9 213.1 Run 2 

12/10/200912:47 18.1 1.9 212.4 Run 2 

Page 8 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10109 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/200912:47 18.1 1.9 212.7 Run 2 

12/10/2009 12:48 18.1 1.9 212.0 Run 2 

12/10/2009 12:48 18.1 2.0 211.3 Run 2 

12/10/2009 12:48 18.1 1.9 212.6 Run 2 

12/10/2009 12:49 18.1 1.9 212.2 Run 2 

12110/2009 12:49 18.1 1.9 210.9 Run 2 

12/10/2009 12:49 18.1 1.9 210.7 Run 2 

12/10/200912:50 18.1 1.9 210.7 Run 2 

12/10/2009 12:50 18.1 1.9 210.8 Run 2 

12/10/2009 12:50 18.1 1.9 211.6 Run 2 

12/10/2009 12:51 18.1 1.9 212.4 Run 2 

12/10/200912:51 18.1 1.9 212.5 Run 2 

12/10/2009 12:51 18.1 1.9 212.8 Run 2 

12/10/2009 12:52 18.1 2.0 213.3 Run 2 

12/10/2009 12:52 18.1 2.0 214.3 Run 2 

12110/2009 12:52 18.1 1.9 215.1 Run 2 

12/10/2009 12:53 18.1 1.9 214.4 Run 2 

12/10/2009 12:53 18.1 1.9 213.4 Run 2 

12/10/2009 12:53 18.1 1.9 214.2 Run 2 

12/10/2009 12:54 18.1 1.9 214.5 Run 2 

12/10/2009 12:54 18.1 1.9 214.7 Run 2 

12/10/200912:54 18.1 1.9 213.0 Run 2 

12/10/200912:55 18.1 1.9 210.7 Run 2 

12/10/2009 12:55 18.1 2.0 210.3 Run 2 

12/10/2009 12:55 18.1 2.0 211.0 Run 2 

12/10/2009 12:56 18.1 2.0 209.9 Run 2 

12/10/2009 12:56 18.1 2.0 209.1 Run 2 

12/10/2009 12:56 18.1 1.9 211.3 Run 2 

12/10/2009 12:57 18.1 1.9 212.0 Run 2 

12/10/2009 12:57 18.1 1.9 211.5 Run 2 

12/10/2009 12:57 18.1 1.9 211.2 Run 2 

12/10/2009 12:58 18.1 1.9 209.3 Run 2 

12/10/2009 12:58 18.1 1.9 206.8 Run 2 

12/10/2009 12:58 18.1 1.9 206.6 Run 2 

12/10/2009 12:59 18.1 1.9 206.6 Run 2 

12/10/2009 12:59 18.1 2.0 205.8 Run 2 

12/10/2009 12:59 18.1 1.9 205.4 Run 2 

12/10/2009 13:00 18.1 2.0 205.5 Run 2 

12/10/2009 13:00 18.1 2.0 206.5 Run 2 

12/10/2009 13:00 18.1 2.0 207.5 Run 2 

12/10/2009 13:01 18.1 2.0 209.3 Run 2 

12/10/200913:01 18.1 2.0 211.2 Run 2 

12/10/2009 13:01 18.1 1.9 210.7 Run 2 

12/10/2009 13:02 18.1 2.0 208.2 Run 2 

12/10/2009 13:02 18.1 2.0 207.5 Run 2 

12/10/2009 13:02 18.1 2.0 208.2 Run 2 

12/10/2009 13:03 18.5 1.7 204.9 Port Change Run 2 

12110/2009 13:03 20.8 0.2 98.1 Port Change Run 2 

12/10/2009 13:03 20.9 0.1 24.9 Port Change Run 2 

12/10/2009 13:04 20.9 0.1 9.6 Port Change Run 2 

12/10/2009 13:04 20.5 0.4 8.4 Port Change Run 2 

12/10/200913:04 18.2 1.9 105.9 Port Change Run 2 

12/10/2009 13:05 18.1 2.0 186.3 Port Change Run 2 

12/10/2009 13:05 18.1 2.0 204.9 Port Change Run 2 

12/10/2009 13:05 18.1 2.0 211.0 Port Change Run 2 

12/10/2009 13:06 18.1 1.9 213.0 Port Change Run 2 

12/10/2009 13:06 18.1 1.9 211.1 Port Change Run 2 

12/10/2009 13:06 18.1 1.9 212.1 Port Change Run 2 

12/10/2009 13:07 18.1 1.9 213.7 Port Change Run 2 

12/10/2009 13:07 18.1 2.0 213.6 Port Change Run 2 

12/10/2009 13:07 18.1 2.0 213.8 Port Change Run 2 

12/10/2009 13:08 18.1 1.9 211.3 Port Change Run 2 

12/10/2009 13:08 18.1 1.9 210.7 Port Change Run 2 

12/10/2009 13:08 18.1 2.0 210.7 Port Change Run 2 

12/10/2009 13:09 18.1 2.0 212.6 Port Change Run 2 

12/10/2009 13:09 18.1 2.0 213.6 Port Change Run 2 

12/10/2009 13:09 18.1 2.0 212.8 Port Change Run 2 

12/10/200913:10 18.1 2.0 212.5 Run 2 

12/10/200913:10 18.0 2.0 213.4 Run 2 

12/10/200913:10 18.1 2.0 213.6 Run 2 

12/10/2009 13:11 18.1 2.0 212.2 Run 2 

12/10/2009 13:11 18.1 2.0 212.0 Run 2 

12110/200913:11 18.1 2.0 211.4 Run 2 

Page 9 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10109 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 13:12 18.1 2.0 210.9 Run 2 

12/10/200913:12 18.1 2.0 212.1 Run 2 

12/10/200913:12 18.1 2.0 212.5 Run 2 

12/10/200913:13 18.1 2.0 213.7 Run 2 

12/10/200913:13 18.1 2.0 215.4 Run 2 

12/10/2009 13:13 18.1 2.0 216.3 Run 2 

12/10/2009 13:14 18.1 2.0 215.7 Run 2 

12/10/200913:14 18.1 2.0 215.2 Run 2 

12/10/200913:14 18.1 2.0 215.4 Run 2 

12/10/200913:15 18.1 2.0 215.1 Run 2 

12/10/200913:15 18.1 2.0 216.0 Run 2 

12/10/200913:15 18.1 2.0 217.5 Run 2 

12110/200913:16 18.1 2.0 218.8 Run 2 

12/10/200913:16 18.1 2.0 219.4 Run 2 

12/10/200913:16 18.1 1.9 218.0 Run 2 

12/10/200913:17 18.1 2.0 216.4 Run 2 

12/10/2009 13:17 18.1 2.0 217.3 Run 2 

12/10/2009 13:17 18.1 2.0 218.9 Run 2 

12/10/2009 13:18 18.1 2.0 220.7 Run 2 

12/10/200913:18 18.1 1.9 221.5 Run 2 

12/10/200913:18 18.1 1.9 220.6 Run 2 

12/10/200913:19 18.1 1.9 220.2 Run 2 

12/10/200913:19 18.1 2.0 219.7 Run 2 

12/10/200913:19 18.1 2.0 219.7 Run 2 

12/10/2009 13:20 18.1 2.0 220.0 Run 2 

12/10/2009 13:20 18.1 2.0 219.7 Run 2 

12/10/2009 13:20 18.1 2.0 218.7 Run 2 

12/10/200913:21 18.1 1.9 217.9 Run 2 

12/10/200913:21 18.1 1.9 216.1 Run 2 

12/10/2009 13:21 18.1 2.0 213.6 Run 2 

12/10/2009 13:22 18.1 2.0 212.5 Run 2 

12/10/2009 13:22 18.1 2.0 213.9 Run 2 

12/10/2009 13:22 18.1 2.0 215.4 Run 2 

12/10/2009 13:23 18.1 2.0 216.0 Run 2 

12110/2009 13:23 18.1 2.0 216.0 Run 2 

12/10/2009 13:23 18.1 2.0 216.1 Run 2 

12/10/2009 13:24 18.1 2.0 217.1 Run 2 

12/10/2009 13:24 18.1 2.0 216.9 Run 2 

12/10/2009 13:24 18.1 2.0 216.0 Run 2 

12/10/200913:25 18.1 2.0 215.8 Run 2 

12/10/2009 13:25 18.1 2.0 215.9 Run 2 

12/10/2009 13:25 18.1 2.0 215.9 Run 2 

12/10/2009 13:26 18.1 2.0 215.4 Run 2 

12/10/2009 13:26 18.1 2.0 214.0 Run 2 

12/10/2009 13:26 18.1 2.0 212.0 Run 2 

12/10/2009 13:27 18.1 2.0 209.7 Run 2 

12/10/2009 13:27 18.1 2.0 208.2 Run 2 

12/10/2009 13:27 18.1 2.0 207.2 Run 2 

12/10/2009 13:28 18.1 2.0 206.8 Run 2 

12/10/2009 13:28 18.1 2.0 207.0 Run 2 

12/10/2009 13:28 18.1 2.0 206.7 Run 2 

12/10/200913:29 18.1 2.0 206.3 Run 2 

12/10/2009 13:29 18.1 2.0 206.6 Run 2 

12/10/2009 13:29 18.1 2.0 206.7 Run 2 

12/10/2009 13:30 18.1 2.0 205.9 Run 2 

12/10/2009 13:30 18.1 2.0 204.8 Run 2 

12/10/2009 13:30 18.1 2.0 203.7 Run 2 

12/10/200913:31 18.1 2.0 203.1 Run 2 

12/10/2009 13:31 18.1 2.0 203.3 Run 2 

12/10/200913:31 18.1 2.0 204.3 Run 2 

12/10/2009 13:32 18.1 2.0 205.5 Run 2 

12/10/2009 13:32 18.1 2.0 206.4 Run 2 

12/10/2009 13:32 18.1 2.0 206.2 Run 2 

12/10/2009 13:33 18.1 2.0 206.3 Run 2 

12/10/2009 13:33 18.1 2.0 206.4 Run 2 

12/10/2009 13:33 18.1 2.0 205.7 Run 2 

12/10/2009 13:34 18.1 1.9 204.0 Run 2 

12/10/2009 13:34 18.1 2.0 203.2 Run 2 

12/10/2009 13:34 18.1 1.9 204.2 Run 2 

12110/2009 13:35 18.1 2.0 204.1 Run 2 

12/10/2009 13:35 18.1 2.0 203.8 Run 2 

12/10/2009 13:35 18.1 2.0 204.4 Run 2 

12/10/2009 13:36 18.1 2.0 204.8 Run 2 

Page 10 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10109 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 13:36 18.1 2.0 204.3 Run 2 

12/10/2009 13:36 18.1 2.0 202.9 Run 2 

12/10/2009 13:37 18.1 2.0 202.1 Run 2 

12110/2009 13:37 18.1 2.0 203.0 Run 2 

12/10/2009 13:37 18.1 2.0 203.5 Run 2 

12/10/2009 13:38 18.1 2.0 202.8 Run 2 

12/10/2009 13:38 18.1 2.0 203.9 Run 2 

12/10/2009 13:38 18.1 2.0 205.7 Run 2 

12/10/200913:39 18.1 2.0 205.8 Run 2 

12/10/2009 13:39 18.1 2.0 205.8 Run 2 

12/10/2009 13:39 18.1 2.0 205.1 Run 2 

12/10/2009 13:40 18.1 2.0 205.0 Run 2 

12/10/2009 13:40 18.1 2.0 206.1 Run 2 

12/10/2009 13:40 18.1 2.0 206.8 Run 2 

12/10/2009 13:41 18.1 2.0 207.2 Run 2 

12/10/2009 13:41 18.1 2.0 208.3 Run 2 

12/10/200913:41 18.1 2.0 209.1 Run 2 

12/10/2009 13:42 18.1 2.0 209.4 Run 2 

12/10/2009 13:42 18.1 2.0 211.8 Run 2 

12/10/2009 13:42 18.1 2.0 216.7 Run 2 

12/10/2009 13:43 18.1 2.0 219.2 Run 2 

12/10/2009 13:43 18.1 2.0 219.8 Run 2 

12/10/2009 13:43 18.1 2.0 219.3 Run 2 

12/10/2009 13:44 18.1 2.0 217.4 Run 2 

12/10/2009 13:44 18.1 2.0 216.9 Run 2 

12/10/2009 13:44 18.0 2.0 217.7 End Run 2 

12/10/2009 13:45 18.0 2.0 220.2 

12/10/2009 13:45 18.0 2.0 224.5 

12/10/2009 13:45 18.0 2.0 226.5 

12/10/200913:46 18.0 2.0 226.5 

12/10/2009 13:46 18.0 2.0 226.3 

12/10/2009 13:46 18.0 2.0 225.0 

12/10/200913:47 18.0 2.0 224.1 

12/10/200913:47 18.0 2.0 222.2 

12/10/2009 13:47 18.0 2.0 219.7 

12/10/2009 13:48 18.0 2.0 219.4 Drift Check 

12/10/2009 13:48 15.9 1.8 220.4 Drift Check 

12/10/2009 13:48 1.4 0.2 220.6 Drift Check 

12/10/2009 13:49 0.5 0.1 230.7 Drift Check 

12/10/200913:49 0.2 0.1 252.6 Drift Check 

12/10/2009 13:49 0.2 0.1 257.8 Drift Check 

12/10/2009 13:50 0.2 0.0 259.9 Drift Check 

12/10/2009 13:50 0.2 0.0 261.5 Drift Check 

12/10/2009 13:50 0.2 0.0 261.1 Drift Check 

12/10/200913:51 0.2 0.0 261.2 Drift Check 

12/10/2009 13:51 0.1 0.0 261.2 261.9 S02 Drift Check 

12/10/200913:51 0.1 0.0 262.1 Drift Check 

12/10/2009 13:52 2.5 0.3 262.8 Drift Check 

12/10/2009 13:52 4.2 0.5 262.2 Drift Check 

12/10/2009 13:52 3.2 0.4 256.1 Drift Check 

12/10/2009 13:53 17.5 1.9 224.9 Drift Check 

12/10/2009 13:53 18.0 1.9 211.7 Drift Check 

12/10/2009 13:53 18.1 1.9 207.4 Drift Check 

12/10/2009 13:54 18.1 1.9 206.0 Drift Check 

12/10/2009 13:54 18.1 1.9 205.7 Drift Check 

12/10/2009 13:54 18.1 2.0 204.6 Drift Check 

12/10/2009 13:55 18.1 2.0 205.2 Drift Check 

12/10/2009 13:55 18.1 2.0 206.0 Drift Check 

12/10/200913:55 18.1 1.9 205.9 Drift Check 

12/10/2009 13:56 17.8 1.9 204.9 Drift Check 

12/10/2009 13:56 2.9 0.4 145.9 Drift Check 

12/10/2009 13:56 0.3 0.1 50.2 Drift Check 

12/10/2009 13:57 0.2 0.1 18.1 Drift Check 

12/10/2009 13:57 0.1 0.1 9.2 Drift Check 

12/10/2009 13:57 0.1 0.0 6.7 Drift Check 

12/10/2009 13:58 0.1 0.0 5.9 Drift Check 

12/10/2009 13:58 0.1 0.0 5.2 Drift Check 

12/10/2009 13:58 0.1 0.0 4.9 02, C02, S02 Zero Drift Check 

12/10/2009 13:59 9.6 1.1 53.4 Drift Check 

12/10/2009 13:59 0.5 0.1 57.9 Drift Check 

12/10/200913:59 15.5 3.0 14.9 Drift Check 

12/10/2009 14:00 19.8 3.9 5.3 Drift Check 

12/10/2009 14:00 19.9 3.9 3.7 Drift Check 

Page 11 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10109 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 14:00 19.9 3.9 3.1 Drift Check 

12/10/2009 14:01 19.9 4.0 2.8 Drift Check 

12/10/200914:01 19.9 4.0 2.7 Drift Check 

12/10/200914:01 19.9 4.0 2.5 Drift Check 

12/10/200914:02 19.9 4.0 2.4 Drift Check 

12/10/200914:02 19.9 4.0 2.3 02 20.0, C02 4.0 Drift Check 

12/10/200914:02 19.9 4.0 2.2 Drift Check 

12/10/2009 14:03 18.9 2.9 34.7 Drift Check 

12/10/2009 14:03 18.0 2.1 156.1 Drift Check 

12/10/2009 14:03 18.0 2.0 196.1 In Stack 

12/10/2009 14:04 18.0 2.0 199.7 In Stack 

12/10/200914:04 18.0 2.0 200.6 In Stack 

12/10/200914:04 18.0 2.0 202.0 In Stack 

12/10/2009 14:05 18.0 2.0 204.6 In Stack 

12/10/2009 14:05 18.0 2.0 207.5 In Stack 

12/10/200914:05 18.0 2.0 208.2 In Stack 

12/10/200914:06 18.0 2.0 207.1 In Stack 

12/10/2009 14:06 18.0 2.0 207.4 In Stack 

12/10/200914:06 18.1 2.0 206.9 In Stack 

12/10/200914:07 18.1 2.0 204.9 In Stack 

12/10/200914:07 18.0 2.0 204.1 In Stack 

12/10/200914:07 18.0 2.0 205.6 In Stack 

12/10/200914:08 18.1 2.0 207.3 In Stack 

12/10/2009 14:08 18.1 2.0 207.9 In Slack 

12/10/200914:08 18.0 2.0 208.1 In Stack 

12/10/2009 14:09 18.0 2.0 209.7 In Slack 

12/10/200914:09 18.1 2.0 210.1 In Stack 

12/10/2009 14:09 18.1 2.0 208.2 In Stack 

12/10/2009 14:10 18.0 2.0 206.7 In Slack 

12/10/2009 14:10 18.0 2.0 207.9 In Stack 

12/10/200914:10 18.0 2.0 209.0 In Stack 

12/10/2009 14:11 18.0 2.0 207.8 In Stack 

12/10/200914:11 18.1 2.0 207.7 In Stack 

12/10/200914:11 18.1 1.9 208.1 In Stack 

12/10/200914:12 18.1 2.0 207.3 In Stack 

12/10/200914:12 18.0 2.0 206.7 In Stack 

12/10/200914:12 18.0 2.0 207.6 In Slack 

12/10/200914:13 18.0 2.0 208.7 Start Run 3 

12/10/200914:13 18.0 2.0 208.3 Run 3 

12/10/2009 14:13 18.0 2.0 208.1 Run 3 

12/10/200914:14 18.0 2.0 206.0 Run 3 

12/10/200914:14 18.0 2.0 205.8 Run 3 

12/10/2009 14:14 18.0 2.0 208.0 Run 3 

12/10/200914:15 18.0 2.0 209.4 Run 3 

12/10/200914:15 18.0 2.0 210.1 Run 3 

12/10/200914:15 18.0 2.0 211.4 Run 3 

12/10/200914:16 18.1 2.0 211.1 Run 3 

12/10/200914:16 18.1 2.0 207.7 Run 3 

12/10/200914:16 18.1 2.0 206.4 Run 3 

12/10/200914:17 18.0 2.0 208.0 Run 3 

12/10/2009 14:17 18.0 2.0 210.6 Run 3 

12/10/200914:17 18.0 2.0 212.7 Run 3 

12/10/200914:18 18.0 2.0 214.5 Run 3 

12/10/200914:18 18.0 2.0 214.1 Run 3 

12/10/2009 14:18 18.0 2.0 212.6 Run 3 

12/10/2009 14:19 18.0 2.0 210.8 Run 3 

12/10/200914:19 18.0 2.0 209.6 Run 3 

12/10/200914:19 18.0 2.0 208.5 Run 3 

12/10/2009 14:20 18.0 2.0 209.0 Run 3 

12/10/2009 14:20 18.1 2.0 210.9 Run 3 

12/10/2009 14:20 18.1 2.0 210.2 Run 3 

12/10/200914:21 18.1 2.0 208.7 Run 3 

12/10/200914:21 18.0 2.0 209.7 Run 3 

12/10/200914:21 18.0 2.0 212.4 Run 3 

12/10/2009 14:22 18.0 2.0 214.2 Run 3 

12/10/2009 14:22 18.0 2.0 215.3 Run 3 

12/10/2009 14:22 18.0 2.0 216.8 Run 3 

12/10/2009 14:23 18.0 2.0 217.3 Run 3 

12/10/2009 14:23 18.0 2.0 216.6 Run 3 

12/10/2009 14:23 18.0 2.0 216.1 Run 3 

12/10/200914:24 18.0 2.0 217.2 Run 3 

12/10/2009 14:24 18.0 2.0 219.2 Run 3 

12/10/2009 14:24 18.0 2.0 221.1 Run 3 

Page 12 of 15 
Cleveland Cliffs Natural Resources. Inc Reference Method Data Barr Engineering 

United Taconite. LLC Data Logger Output Sampled on 12/10109 

Forbes. Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12110/2009 14:25 18.0 2.0 221.1 Run 3 

12/10/200914:25 18.0 2.0 219.8 Run 3 

12/10/2009 14:25 18.0 2.0 218.1 Run 3 

12/10/2009 14:26 18.0 2.0 215.6 Run 3 

12/10/2009 14:26 18.0 2.0 212.4 Run 3 

12/10/2009 14:26 18.0 2.0 209.9 Run 3 

12110/2009 14:27 18.0 2.0 209.6 Run 3 

12/10/200914:27 18.1 2.0 210.6 Run 3 

12/10/200914:27 18.0 2.0 211.8 Run 3 

12/10/200914:28 18.1 2.0 212.5 Run 3 

12/10/200914:28 18.0 2.0 212.1 Run 3 

12/10/2009 14:28 18.1 2.0 210.9 Run 3 

12/10/2009 14:29 18.1 2.0 209.2 Run 3 

12/10/2009 14:29 18.1 2.0 208.8 Run 3 

12/10/2009 14:29 18.0 2.0 209.3 Run 3 

12110/200914:30 18.1 2.0 210.6 Run 3 

12/10/200914:30 18.1 2.0 211.1 Run 3 

12/10/200914:30 18.1 2.0 211.9 Run 3 

12/10/200914:31 18.1 2.0 212.5 Run 3 

12/10/200914:31 18.1 2.0 211.8 Run 3 

12/10/200914:31 18.1 2.0 211.6 Run 3 

12/10/2009 14:32 18.1 2.0 211.9 Run 3 

12/10/2009 14:32 18.1 2.0 211.7 Run 3 

12/10/2009 14:32 18.1 2.0 210.4 Run 3 

12/10/2009 14:33 18.1 2.0 210.5 Run 3 

12/10/2009 14:33 18.0 2.0 211.7 Run 3 

12/10/200914:33 18.0 2.0 212.6 Run 3 

12/10/2009 14:34 18.0 2.0 213.5 Run 3 

12/10/2009 14:34 18.0 2.0 214.2 Run 3 

12/10/2009 14:34 18.1 2.0 212.5 Run 3 

12/10/2009 14:35 18.0 2.0 210.9 Run 3 

12/10/2009 14:35 18.0 2.0 211.4 Run 3 

12/10/2009 14:35 18.0 2.0 212.0 Run 3 

12/10/200914:36 18.0 2.0 212.9 Run 3 

12/10/200914:36 18.0 2.0 214.0 Run 3 

12/10/200914:36 18.0 2.0 215.4 Run 3 

12/10/2009 14:37 18.0 2.0 215.9 Run 3 

12/10/2009 14:37 18.1 2.0 216.5 Run 3 

12/10/200914:37 18.0 2.0 217.2 Run 3 

12/10/200914:38 18.1 2.0 217.5 Run 3 

12/10/200914:38 18.1 2.0 217.1 Run 3 

12/10/2009 14:38 18.0 2.0 215.2 Run 3 

12/10/2009 14:39 18.0 2.0 212.3 Run 3 

12/10/2009 14:39 18.0 2.0 209.5 Run 3 

12/10/2009 14:39 18.0 2.0 209.1 Run 3 

12/10/2009 14:40 18.0 2.0 210.4 Run 3 

12/10/2009 14:40 18.0 2.0 211.9 Run 3 

12/10/200914:40 18.1 2.0 212.6 Run 3 

12/10/200914:41 18.0 2.0 212.5 Run 3 

12/10/2009 14:41 18.1 2.0 213.3 Run 3 

12/10/200914:41 18.1 2.0 212.9 Run 3 

12/10/2009 14:42 18.1 2.0 212.2 Run 3 

12/10/2009 14:42 18.0 2.0 210.4 Run 3 

12/10/2009 14:42 18.0 2.0 209.4 Run 3 

12/10/2009 14:43 18.1 2.0 208.8 Run 3 

12/10/2009 14:43 18.0 2.0 208.5 Run 3 

12/10/2009 14:43 18.1 2.0 209.8 Run 3 

12/10/2009 14:44 18.1 2.0 210.7 Run 3 

12/10/2009 14:44 18.1 2.0 211.2 Run 3 

12/10/2009 14:44 18.1 2.0 212.3 Run 3 

12/10/2009 14:45 18.1 2.0 211.8 Run 3 

12/10/2009 14:45 18.1 1.9 209.1 Run 3 

12/10/200914:45 18.1 2.0 208.1 Run 3 

12/10/200914:46 18.1 1.9 208.0 Run 3 

12/10/200914:46 18.1 1.9 206.5 Run 3 

12/10/2009 14:46 18.1 1.9 206.2 Run 3 

12/10/200914:47 18.1 1.9 207.2 Run 3 

12/10/200914:47 18.1 1.9 207.6 Run 3 

12/10/200914:47 18.1 2.0 208.3 Run 3 

12/10/2009 14:48 18.0 2.0 209.3 Run 3 

12/10/2009 14:48 18.0 2.0 209.1 Run 3 

12/10/2009 14:48 18.1 2.0 208.4 Run 3 

12/10/200914:49 18.1 2.0 207.9 Run 3 

Page 13 of 15 
Cleveland Cliffs Natural Resources, Inc Reference Method Data Barr Engineering 

United Taconite, LLC Data Logger Output Sampled on 12/10/09 

Forbes, Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/2009 14:49 18.0 2.0 209.0 Run 3 

12/10/2009 14:49 18.0 2.0 210.8 Run 3 

12/10/2009 14:50 18.0 2.0 211.2 Run 3 

12/10/2009 14:50 20.4 0.5 144.3 Port Change Run 3 

12/10/2009 14:50 20.9 0.1 37.8 Port Change Run 3 

12110/200914:51 20.9 0.1 12.5 Port Change Run 3 

12/10/200914:51 20.4 0.5 11.3 Port Change Run 3 

12/10/200914:51 18.1 1.9 113.9 Port Change Run 3 

12/10/200914:52 18.0 2.0 187.7 Port Change Run 3 

12/10/200914:52 18.0 2.0 205.5 Port Change Run 3 

12/10/2009 14:52 18.0 2.0 209.6 Port Change Run 3 

12/10/2009 14:53 18.0 2.0 211.4 Port Change Run 3 

12/10/2009 14:53 18.0 2.0 213.9 Port Change Run 3 

12/10/2009 14:53 18.0 2.0 215.6 Port Change Run 3 

12/10/200914:54 18.0 2.0 217.6 Port Change Run 3 

12/10/200914:54 18.0 2.0 220.0 Port Change Run 3 

12/10/2009 14:54 18.0 2.0 220.6 Port Change Run 3 

12/10/2009 14:55 18.0 2.0 221.0 Port Change Run 3 

12/10/2009 14:55 18.0 2.0 220.9 Port Change Run 3 

12/10/2009 14:55 18.1 2.0 220.3 Port Change Run 3 

12/10/2009 14:56 18.0 2.0 217.9 Port Change Run 3 

12/10/2009 14:56 18.1 2.0 217.9 Port Change Run 3 

12/10/2009 14:56 18.1 2.0 218.0 Port Change Run 3 

12/10/200914:57 18.1 2.0 217.7 Port Change Run 3 

12/10/2009 14:57 18.1 1.9 217.4 Run 3 

12/10/200914:57 18.1 1.9 215.3 Run 3 

12/10/2009 14:58 18.1 1.9 212.2 Run 3 

12/10/2009 14:58 18.1 2.0 210.2 Run 3 

12/10/2009 14:58 18.1 2.0 209.1 Run 3 

12/10/2009 14:59 18.1 2.0 208.1 Run 3 

12/10/2009 14:59 18.1 2.0 209.1 Run 3 

12/10/2009 14:59 18.0 2.0 210.2 Run 3 

12/10/2009 15:00 18.1 2.0 210.6 Run 3 

12/10/2009 15:00 18.1 2.0 211.4 Run 3 

12/10/2009 15:00 18.0 2.0 213.4 Run 3 

12/10/2009 15:01 18.0 2.0 216.2 Run 3 

12/10/2009 15:01 18.0 2.0 218.1 Run 3 

12/10/2009 15:01 18.1 2.0 218.1 Run 3 

12/10/2009 15:02 18.1 1.9 217.7 Run 3 

12/10/2009 15:02 18.1 2.0 218.1 Run 3 

12/10/2009 15:02 18.1 2.0 219.8 Run 3 

12/10/2009 15:03 18.1 1.9 219.7 Run 3 

12/10/2009 15:03 18.1 2.0 218.0 Run 3 

12/10/2009 15:03 18.1 1.9 216.9 Run 3 

12/10/2009 15:04 18.1 1.9 216.5 Run 3 

12/10/2009 15:04 18.1 1.9 217.5 Run 3 

12/10/2009 15:04 18.1 1.9 220.2 Run 3 

12/10/2009 15:05 18.1 1.9 221.7 Run 3 

12/10/2009 15:05 18.1 1.9 221.7 Run 3 

12/10/2009 15:05 18.1 1.9 220.9 Run 3 

12/10/200915:06 18.1 1.9 219.3 Run 3 

12/10/2009 15:06 18.1 1.9 217.2 Run 3 

12/10/2009 15:06 18.1 1.9 215.3 Run 3 

12/10/200915:07 18.1 2.0 214.3 Run 3 

12/10/2009 15:07 18.1 1.9 213.9 Run 3 

12/10/2009 15:07 18.1 2.0 212.9 Run 3 

12/10/2009 15:08 18.0 2.0 211.4 Run 3 

12/10/2009 15:08 18.1 2.0 211.3 Run 3 

12/10/2009 15:08 18.1 2.0 211.1 Run 3 

12/10/2009 15:09 18.0 2.0 211.3 Run 3 

12/10/2009 15:09 18.0 2.0 212.4 Run 3 

12/10/2009 15:09 18.0 2.0 214.0 Run 3 

12/10/200915:10 18.1 2.0 213.7 Run 3 

12/10/200915:10 18.1 2.0 212.0 Run 3 

12/10/2009 15:10 18.0 2.0 210.6 Run 3 

12/10/2009 15:11 18.0 2.0 210.6 Run 3 

12/10/200915:11 18.1 2.0 211.5 Run 3 

12/10/200915:11 18.0 2.0 212.0 Run 3 

12/10/200915:12 18.0 2.0 212.0 Run 3 

12/10/200915:12 18.1 2.0 211.7 Run 3 

12/10/200915:12 18.1 1.9 210.9 Run 3 

12/10/200915:13 18.1 1.9 208.4 Run 3 

12/10/200915:13 18.1 2.0 207.5 Run 3 

Page14of15 
Cleveland Cliffs Natural Resources. Inc Reference Method Data Barr Engineering 

United Taconite. LLC Data Logger Output Sampled on 12/10109 

Forbes. Minnesota 

Line 2A WGS (SV048) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/10/200915:13 18.1 1.9 208.9 Run 3 

12/10/200915:14 18.1 1.9 209.9 Run 3 

12/10/2009 15:14 18.1 1.9 211.1 Run 3 

12/10/200915:14 18.1 1.9 212.4 Run 3 

12/10/200915:15 18.1 1.9 214.1 Run 3 

12/10/2009 15:15 18.1 1.9 214.4 Run 3 

12/10/200915:15 18.1 1.9 213.3 Run 3 

12/10/200915:16 18.1 2.0 211.8 Run 3 

12110/200915:16 18.0 2.0 211.8 Run 3 

12/10/200915:16 18.0 2.0 212.0 Run 3 

12/10/200915:17 18.1 2.0 210.7 Run 3 

12110/200915:17 18.1 2.0 208.1 Run 3 

12/10/200915:17 18.1 2.0 205.5 Run 3 

12/10/2009 15:18 18.1 2.0 203.2 Run 3 

12/10/200915:18 18.1 1.9 201.4 Run 3 

12/10/200915:18 18.1 1.9 199.9 End Run 3 

12/10/200915:19 18.1 2.0 199.2 

12/10/200915:19 18.1 2.0 198.2 

12/10/200915:19 18.1 1.9 197.0 

12/10/2009 15:20 18.1 1.9 195.8 Drift Check 

12/10/2009 15:20 18.1 1.9 194.5 Drift Check 

12/10/2009 15:20 18.1 2.0 194.6 Drift Check 

12/10/2009 15:21 18.1 2.0 196.3 Drift Check 

12/10/200915:21 19.4 3.1 132.1 Drift Check 

12/10/200915:21 19.8 3.6 46.6 Drift Check 

12/10/2009 15 :22 20.0 3.9 16.5 Drift Check 

12/10/2009 15:22 20.0 3.9 7.5 Drift Check 

12/10/2009 15:22 20.0 3.9 5.1 Drift Check 

12/10/2009 15:23 20.0 3.9 4.3 Drift Check 

12/10/2009 15:23 20.0 3.9 3.7 0220.0. C02 4.0 Drift Check 

12/10/2009 15:23 19.2 3.1 29.3 Drift Check 

12/10/2009 15:24 19.9 3.9 51.5 Drift Check 

12/10/2009 15:24 6.6 1.4 13.0 Drift Check 

12/10/2009 15:24 0.3 0.1 5.5 Drift Check 

12/10/2009 15:25 0.2 0.1 3.6 Drift Check 

12/10/2009 15:25 0.2 0.1 3.0 Drift Check 

12/10/2009 15:25 0.2 0.0 2.9 Drift Check 

12/10/2009 15:26 0.2 0.0 2.7 Drift Check 

12/10/2009 15:26 0.1 0.0 2.6 Drift Check 

12/10/2009 15:26 0.1 0.0 2.4 02. C02. S02 Zero Drift Check 

12/10/2009 15:27 0.1 0.0 2.3 Drift Check 

12/10/2009 15:27 6.7 0.0 2.1 Drift Check 

12/10/2009 15:27 0.5 0.0 2.0 Drift Check 

12/10/2009 15:28 0.1 0.0 98.0 Drift Check 

12/10/2009 15:28 0.1 0.0 220.6 Drift Check 

12/10/2009 15:28 0.1 0.0 248.8 Drift Check 

12/10/2009 15:29 0.1 0.0 255.2 Drift Check 

12/10/2009 15:29 0.1 0.0 258.4 Drift Check 

12/10/2009 15:29 0.1 0.0 258.8 Drift Check 

12/10/2009 15:30 0.1 0.0 259.4 Drift Check 

12/10/2009 15:30 0.1 0.0 259.8 Drift Check 

12/10/2009 15:30 0.1 0.0 259.9 Drift Check 

12/10/2009 15:31 0.1 0.0 261.3 Drift Check 

12/10/200915:31 0.1 0.0 261.1 Drift Check 

12/10/200915:31 0.1 0.0 261.4 261.9 S02 Drift Check 

Page 15 of 15 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 7:09 0.0 0.0 0.6 Analyzer Cal 

12/8/2009 7:09 0.0 0.0 0.6 Analyzer Cal 

12/8/20097:10 0.0 0.0 0.6 Analyzer Cal 

12/8/20097:10 0.0 0.0 0.5 Analyzer Cal 

12/8/20097:10 0.0 0.0 0.5 Analyzer Cal 

12/8/20097:11 0.0 0.0 0.5 Analyzer Cal 

12/8/20097:11 0.0 0.0 0.5 Analyzer Cal 

12/8/20097:11 0.0 0.0 0.3 Analyzer Cal 

12/8/20097:12 0.0 0.0 0.1 02, C02, S02 Zero Analyzer Cal 

12/8/20097:12 0.0 0.0 0.4 Analyzer Cal 

12/8/20097:12 0.0 0.0 0.4 Analyzer Cal 

12/8/20097:13 0.0 0.0 0.3 Analyzer Cal 

12/8/20097:13 12.0 0.0 0.1 Analyzer Cal 

12/8/20097:13 18.2 2.7 -0.5 Analyzer Cal 

12/8/20097:14 19.9 4.0 -0.9 Analyzer Cal 

12/8/20097:14 19.9 4.0 -0.9 Analyzer Cal 

12/8/20097:14 20.0 4.0 -0.9 02 20.0, C02 4.0 Analyzer Cal 

12/8/2009 7:15 20.0 4.0 -0.9 Analyzer Cal 

12/8/20097:15 20.4 2.6 -0.9 Analyzer Cal 

12/8/20097:15 14.5 4.5 -0.9 Analyzer Cal 

12/8/20097:16 9.0 8.9 -0.8 Analyzer Cal 

12/8/20097:16 9.0 8.9 -0.8 Analyzer Cal 

12/8/20097:16 9.0 8.9 -0.8 02 9.0, C02 9.0 Analyzer Cal 

12/8/20097:17 13.9 3.8 -0.8 Analyzer Cal 

12/8/20097:17 0.1 0.1 -0.8 Analyzer Cal 

12/8/20097:17 0.0 0.1 -0.6 Analyzer Cal 

12/8/20097:18 0.0 0.1 -0.3 Analyzer Cal 

12/8/20097:18 0.0 0.0 0.0 Analyzer Cal 

12/8/20097:18 0.0 0.0 0.1 Analyzer Cal 

12/8/20097:19 0.0 0.0 0.1 Analyzer Cal 

12/8/20097:19 0.0 0.0 0.3 Analyzer Cal 

12/8/20097:19 3.1 0.0 0.4 Analyzer Cal 

12/8/2009 7:20 16.3 0.1 6.1 Analyzer Cal 

12/8/2009 7:20 0.2 0.0 139.0 Analyzer Cal 

12/8/2009 7:20 0.0 0.0 228.3 Analyzer Cal 

12/8/2009 7:21 0.0 0.0 252.0 Analyzer Cal 

12/8/2009 7:21 0.0 0.0 257.1 Analyzer Cal 

12/8/2009 7:21 0.0 0.0 257.5 Analyzer Cal 

12/8/2009 7:22 0.0 0.0 260.0 Analyzer Cal 

12/8/2009 7:22 0.0 0.0 261.2 Analyzer Cal 

12/8/20097:22 0.0 0.0 261.8 S02261.9 Analyzer Cal 

12/8/20097:23 2.0 0.0 255.6 Analyzer Cal 

12/8/20097:23 11.7 0.1 115.1 Analyzer Cal 

12/8/2009 7:23 0.0 0.0 75.5 Analyzer Cal 

12/8/2009 7:24 0.0 0.0 86.4 Analyzer Cal 

12/8/20097:24 0.0 0.0 91.5 Analyzer Cal 

12/8/2009 7:24 0.0 0.0 92.7 Analyzer Cal 

12/8/20097:25 0.0 0.0 92.8 Analyzer Cal 

12/8/2009 7:25 0.0 0.0 93.6 Analyzer Cal 

12/8/2009 7:25 0.0 0.0 93.9 S0293.9 Analyzer Cal 

12/8/2009 7:26 0.0 0.0 93.6 Analyzer Cal 

12/8/2009 7:26 0.0 0.0 93.8 Analyzer Cal 

12/8/2009 7:26 1.1 0.0 92.4 Analyzer Cal 

12/8/2009 7:27 12.2 0.1 44.6 Analyzer Cal 

12/8/2009 7:27 0.0 0.0 11.3 Analyzer Cal 

12/8/20097:27 0.0 0.0 2.2 Analyzer Cal 

12/8/2009 7:28 0.0 0.0 0.7 Analyzer Cal 

12/8/2009 7:28 3.4 0.0 0.4 

12/8/2009 7:28 20.7 0.1 -0.3 

12/8/2009 7:29 20.9 0.1 -0.3 

12/8/2009 7:29 20.6 0.1 -0.3 

12/8/2009 7:29 7.8 0.1 0.2 

12/8/2009 7:30 0.5 0.0 0.1 

12/8/2009 7:30 0.2 0.0 0.1 

12/8/2009 7:30 0.2 0.0 0.3 

12/8/2009 7:31 0.2 0.0 0.4 

12/8/20097:31 0.1 0.0 0.3 

12/8/20097:31 0.1 0.0 0.4 System Bias 

12/8/2009 7:32 0.1 0.0 0.4 System Bias 

12/8/20097:32 0.1 0.0 0.4 System Bias 

12/8/2009 7:32 0.1 0.0 0.4 System Bias 

12/8/2009 7:33 0.1 0.0 0.4 02, C02 Zero System Bias 

12/8/2009 7:33 0.1 0.0 0.4 System Bias 

Page 1 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 7:33 0.1 0.0 0.4 System Bias 

12/8/2009 7:34 0.1 0.0 0.4 System Bias 

12/8/2009 7:34 0.1 0.0 0.4 System Bias 

12/8/2009 7:34 1.3 0.0 0.4 System Bias 

12/8/2009 7:35 11.3 0.3 0.1 System Bias 

12/8/2009 7:35 18.3 3.5 -0.3 System Bias 

12/8/2009 7:35 19.9 3.9 -0.4 System Bias 

12/8/2009 7:36 19.9 4.0 -0.5 System Bias 

12/8/2009 7:36 20.0 4.0 -0.5 System Bias 

12/8/2009 7:36 20.0 4.0 -0.5 0220.0, C02 4.0 System Bias 

12/8/2009 7:37 20.0 4.0 -0.5 System Bias 

12/8/2009 7:37 20.0 4.0 -0.5 System Bias 

12/8/2009 7:37 20.0 4.0 -0.5 System Bias 

12/8/2009 7:38 20.0 4.0 -0.5 System Bias 

12/8/2009 7:38 20.1 3.4 -0.5 System Bias 

12/8/2009 7:38 13.4 1.9 -0.5 System Bias 

12/8/2009 7:39 0.6 0.2 -0.4 System Bias 

12/8/2009 7:39 0.2 0.1 -0.3 System Bias 

12/8/2009 7:39 0.2 0.1 0.0 System Bias 

12/8/2009 7:40 0.1 0.1 0.3 System Bias 

12/8/2009 7:40 0.1 0.1 0.3 System Bias 

12/8/2009 7:40 0.1 0.1 0.4 System Bias 

12/8/2009 7:41 0.1 0.1 0.4 System Bias 

12/8/2009 7:41 0.1 0.1 0.4 

12/8/2009 7:41 7.9 0.1 0.4 

12/8/2009 7:42 1.2 0.1 16.4 

12/8/2009 7:42 0.1 0.1 65.2 

12/8/2009 7:42 0.1 0.1 81.0 

12/8/2009 7:43 0.1 0.1 85.7 

12/8/2009 7:43 0.1 0.1 87.2 

12/8/2009 7:43 0.1 0.1 87.9 

12/8/2009 7:44 0.0 0.1 89.0 

12/8/2009 7:44 0.0 0.1 89.5 

12/8/2009 7:44 0.0 0.1 89.9 

12/8/2009 7:45 0.0 0.1 90.2 

12/8/2009 7:45 12.7 0.1 77.0 

12/8/2009 7:45 20.8 0.1 24.7 

12/8/2009 7:46 20.9 0.1 8.2 

12/8/2009 7:46 20.9 0.1 4.2 

12/8/2009 7:46 20.9 0.1 2.7 

12/8/2009 7:47 20.9 0.1 2.1 

12/8/2009 7:47 20.9 0.1 1.5 

12/8/2009 7:47 20.9 0.1 1.1 

12/8/2009 7:48 20.9 0.1 0.8 

12/8/2009 7:48 14.9 0.1 3.3 

12/8/20097:48 0.4 0.1 50.9 

12/8/2009 7:49 0.1 0.1 80.7 

12/8/2009 7:49 0.1 0.1 87.7 

12/8/2009 7:49 0.1 0.1 89.7 

12/8/2009 7:50 0.1 0.1 90.3 

12/8/2009 7:50 0.1 0.1 90.6 

12/8/2009 7:50 0.1 0.1 90.9 

12/8/2009 7:51 0.1 0.1 91.2 

121812009 7:51 5.7 0.1 89.1 

12/8/20097:51 12.2 0.8 51.7 

12/8/2009 7:52 19.4 3.9 29.7 

12/8/2009 7:52 19.9 4.0 6.6 

12/8/2009 7:52 20.5 1.9 2.6 

12/8/2009 7:53 20.9 0.2 2.5 

12/8/2009 7:53 20.9 0.2 2.5 

12/8/2009 7:53 20.9 0.3 2.0 

12/8/2009 7:54 20.1 3.7 1.7 

12/8/2009 7:54 20.0 4.0 0.9 

12/8/2009 7:54 20.0 4.0 0.4 

12/8/2009 7:55 20.0 4.0 0.2 

12/8/2009 7:55 20.0 4.1 0.2 

12/8/2009 7:55 20.6 1.3 0.1 

12/8/2009 7:56 21.0 0.2 0.2 

12/8/2009 7:56 21.0 0.2 0.4 

12/8/2009 7:56 21.0 0.2 0.4 

12/8/2009 7:57 21.0 0.2 0.5 

12/8/2009 7:57 21.0 0.2 0.4 

12/8/2009 7:57 21.0 0.1 0.3 

Page 2 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

1218/2009 7:58 21.0 0.1 0.3 

12/8/2009 7:58 19.9 0.9 11.3 

12/8/2009 7:58 18.5 1.7 98.9 

12/8/2009 7:59 18.5 1.7 135.7 

12/8/2009 7:59 18.5 1.7 139.8 

12/8/2009 7:59 18.4 1.7 137.9 

12/8/2009 8:00 18.4 1.7 137.0 

12/8/2009 8:00 18.4 1.7 137.3 

12/8/2009 8:00 18.4 1.7 137.2 

12/8/2009 8:01 18.4 1.7 138.7 

12/8/2009 8:01 18.4 1.7 140.0 

12/8/2009 8:01 18.4 1.7 141.1 

12/8/2009 8:02 18.4 1.7 142.3 

12/8/2009 8:02 18.4 1.7 142.1 

12/8/2009 8:02 18.4 1.7 140.8 

12/8/2009 8:03 18.4 1.7 140.2 

12/8/2009 8:03 18.4 1.7 140.1 

12/8/2009 8:03 18.4 1.7 139.6 

12/8/2009 8:04 18.9 2.6 131.3 

12/8/2009 8:04 20.0 4.1 38.9 

12/8/2009 8:04 19.0 2.3 36.2 

12/8/2009 8:05 3.3 0.4 59.6 

12/8/2009 8:05 0.0 0.1 13.6 

12/8/2009 8:05 0.0 0.1 3.0 

12/8/2009 8:06 0.0 0.1 1.5 

12/8/20098:06 0.0 0.1 1.1 

12/8/2009 8:06 0.0 0.1 0.7 

12/8/2009 8:07 0.0 0.1 0.7 

12/8/2009 8:07 0.0 0.1 0.7 

12/8/2009 8:07 10.6 1.1 3.2 Analyzer Cal 

12/8/2009 8:08 11.0 0.9 12.2 Analyzer Cal 

12/8/2009 8:08 0.0 0.1 34.7 Analyzer Cal 

12/8/2009 8:08 0.0 0.1 45.4 Analyzer Cal 

12/8/2009 8:09 0.0 0.1 47.4 Analyzer Cal 

12/8/2009 8:09 0.0 0.1 47.7 Analyzer Cal 

12/8/2009 8:09 0.0 0.1 47.8 Analyzer Cal 

12/8/2009 8:10 0.0 0.1 307.5 Analyzer Cal 

12/8/2009 8:10 0.0 0.1 470.8 Analyzer Cal 

12/8/2009 8:10 0.0 0.1 473.0 Analyzer Cal 

12/8/20098:11 0.0 0.1 478.0 Analyzer Cal 

12/8/20098:11 0.0 0.1 477.6 Analyzer Cal 

12/8/20098:11 0.0 0.1 477.8 S02479 Analyzer Cal 

12/8/20098:12 0.0 0.1 477.4 Analyzer Cal 

12/8/20098:12 2.6 0.4 475.3 Analyzer Cal 

12/8/20098:12 11.2 1.0 293.8 Analyzer Cal 

12/8/20098:13 0.0 0.1 248.7 Analyzer Cal 

12/8/20098:13 0.0 0.1 262.3 Analyzer Cal 

12/8/20098:13 0.0 0.1 265.2 Analyzer Cal 

12/8/2009 8:14 0.0 0.1 265.9 S02261.9 Analyzer Cal 

12/8/2009 8:14 0.0 0.1 266.6 Analyzer Cal 

12/8/20098:14 0.0 0.1 266.7 Analyzer Cal 

12/8/20098:15 0.0 0.1 266.0 Analyzer Cal 

12/8/20098:15 0.0 0.1 266.9 Analyzer Cal 

12/8/20098:15 0.0 0.1 266.2 Analyzer Cal 

12/8/20098:16 0.0 0.1 265.9 Analyzer Cal 

12/8/20098:16 4.0 0.5 263.0 Analyzer Cal 

12/8/2009 8:16 5.9 0.5 164.4 Analyzer Cal 

12/8/20098:17 0.0 0.1 37.5 Analyzer Cal 

12/8/2009 8:17 0.0 0.1 7.6 Analyzer Cal 

12/8/2009 8:17 0.0 0.1 2.4 Analyzer Cal 

12/8/2009 8:18 4.4 0.5 4.6 Analyzer Cal 

12/8/2009 8:18 10.6 0.9 77.4 Analyzer Cal 

12/8/20098:18 0.7 0.2 90.5 Analyzer Cal 

12/8/20098:19 5.1 0.6 98.2 Analyzer Cal 

12/8/2009 8:19 6.9 0.7 107.2 Analyzer Cal 

12/8/2009 8: 19 8.0 0.8 111.3 Analyzer Cal 

12/8/2009 8:20 8.8 0.9 113.3 Analyzer Cal 

12/8/2009 8:20 0.6 0.1 106.7 Analyzer Cal 

12/8/2009 8:20 0.0 0.1 98.0 Analyzer Cal 

12/8/20098:21 0.0 0.1 95.9 Analyzer Cal 

12/8/2009 8:21 0.0 0.1 96.3 Analyzer Cal 

12/8/2009 8:21 0.0 0.1 96.2 S0296.3 Analyzer Cal 

12/8/2009 8:22 0.0 0.1 95.9 Analyzer Cal 

Page 3 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 8:22 11.9 1.2 103.4 

12/8/2009 8:22 18.5 1.7 125.6 

12/8/2009 8:23 18.7 2.1 121.3 

1218/2009 8:23 5.2 0.9 92.9 

1218/2009 8:23 0.1 0.1 44.8 

12/8/2009 8:24 0.1 0.1 20.7 

12/8/2009 8:24 0.1 0.1 12.8 

12/8/2009 8:24 0.1 0.1 10.0 

12/8/2009 8:25 0.1 0.1 8.0 

12/8/2009 8:25 0.1 0.0 6.6 

12/8/2009 8:25 0.1 0.0 5.8 

12/8/2009 8:26 0.1 0.0 5.2 

12/8/2009 8:26 0.0 0.0 4.7 

12/8/2009 8:26 0.0 0.0 4.6 

12/8/20098:27 0.0 0.0 4.4 

12/8/2009 8:27 0.0 0.0 4.2 

12/8/2009 8:27 0.0 0.0 4.0 

12/8/2009 8:28 0.0 0.0 3.8 

12/8/2009 8:28 0.0 0.0 3.7 

12/8/2009 8:28 0.0 0.0 4.0 

12/8/2009 8:29 0.0 0.0 3.7 

12/8/2009 8:29 0.0 0.0 3.4 System Bias 

12/8/2009 8:29 0.0 0.0 3.2 System Bias 

12/8/2009 8:30 0.0 0.0 3.0 System Bias 

12/8/2009 8:30 0.0 0.0 3.0 System Bias 

12/8/2009 8:30 0.0 0.0 3.0 System Bias 

12/8/2009 8:31 8.2 0.8 4.3 System Bias 

12/8/2009 8:31 6.7 0.6 48.2 System Bias 

12/8/20098:31 0.1 0.0 113.4 System Bias 

12/8/2009 8:32 0.1 0.0 207.3 System Bias 

12/8/2009 8:32 0.0 0.0 239.8 System Bias 

12/8/2009 8:32 0.0 0.0 248.8 System Bias 

1218/2009 8:33 0.0 0.0 251.9 System Bias 

12/8/2009 8:33 0.0 0.0 253.9 System Bias 

12/8/2009 8:33 0.0 0.0 254.9 System Bias 

12/8/2009 8:34 0.0 0.0 255.4 System Bias 

12/8/2009 8:34 0.0 0.0 255.6 System Bias 

12/8/2009 8:34 0.0 0.0 254.7 System Bias 

12/8/2009 8:35 0.0 0.0 255.8 System Bias 

12/8/2009 8:35 0.0 0.0 255.7 System Bias 

1218/2009 8:35 0.3 0.0 256.5 System Bias 

1218/2009 8:36 15.7 1.4 250.8 System Bias 

12/8/2009 8:36 18.3 1.6 196.1 System Bias 

12/8/2009 8:36 18.3 1.6 168.9 

12/8/2009 8:37 18.4 1.6 160.7 

12/8/2009 8:37 18.4 1.6 155.6 

12/8/2009 8:37 18.4 1.7 153.5 

12/8/2009 8:38 18.4 1.7 152.8 

12/8/2009 8:38 18.4 1.7 152.6 

12/8/2009 8:38 18.4 1.7 152.9 

12/8/2009 8:39 18.3 1.7 153.6 

12/8/2009 8:39 18.3 1.7 154.4 

12/8/2009 8:39 18.3 1.7 154.7 

12/8/2009 8:40 18.3 1.7 154.7 

12/8/2009 8:40 18.3 1.7 154.6 

12/8/2009 8:40 18.3 1.7 153.4 

12/8/2009 8:41 18.3 1.7 151.7 

1218/2009 8:41 5.5 0.5 132.0 

12/8/2009 8:41 0.0 0.0 36.4 

12/8/2009 8:42 0.0 0.0 7.6 

12/8/2009 8:42 0.0 0.0 2.8 

12/8/2009 8:42 2.5 0.3 2.5 

12/8/2009 8:43 13.8 1.2 79.0 

12/8/2009 8:43 0.1 0.0 294.6 

12/8/2009 8:43 0.0 0.0 443.6 

12/8/2009 8:44 0.0 0.0 473.3 

12/8/2009 8:44 0.0 0.0 477.0 

12/8/2009 8:44 0.0 0.0 478.2 

12/8/2009 8:45 0.0 0.0 478.2 

12/8/2009 8:45 0.0 0.0 478.0 

12/8/2009 8:45 0.0 0.0 478.8 

12/8/2009 8:46 0.0 0.0 479.3 

12/8/2009 8:46 11.6 1.0 379.0 

Page 4 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 8:46 0.1 0.0 128.2 

12/8/2009 8:47 0.0 0.0 24.0 

12/8/2009 8:47 0.0 0.0 5.2 

12/8/2009 8:47 0.0 0.0 2.2 

12/8/2009 8:48 0.0 0.0 1.5 

12/8/2009 8:48 0.0 0.0 1.4 

12/8/2009 8:48 0.0 0.0 1.3 

12/8/2009 8:49 0.0 0.0 1.1 

12/8/2009 8:49 0.0 0.0 1.1 

12/8/2009 8:49 0.0 0.0 1.1 

12/8/2009 8:50 10.4 1.0 28.2 

12/8/2009 8:50 3.1 0.2 206.2 

12/8/2009 8:50 0.0 0.0 422.7 

12/8/2009 8:51 0.0 0.0 469.4 Analyzer cal check 

12/8/2009 8:51 0.0 0.0 476.1 Analyzer cal check 

12/8/20098:51 0.0 0.0 478.0 Analyzer cal check 

12/8/2009 8:52 0.0 0.0 478.3 Analyzer cal check 

12/8/2009 8:52 0.0 0.0 478.6 Analyzer cal check 

12/8/2009 8:52 1.9 0.2 477.9 Analyzer cal check 

12/8/20098:53 8.5 0.7 323.3 Analyzer cal check 

12/8/2009 8:53 0.0 0.0 265.3 Analyzer cal check 

12/8/2009 8:53 0.0 0.0 266.6 Analyzer cal check 

12/8/2009 8:54 0.0 0.0 265.9 Analyzer cal check 

12/8/2009 8:54 0.0 0.0 267.1 Analyzer cal check 

12/8/2009 8:54 10.2 1.0 245.7 Analyzer cal check 

12/8/2009 8:55 1.5 0.0 120.8 

12/8/2009 8:55 0.0 0.0 24.1 

12/8/2009 8:55 0.0 0.0 5.1 

12/8/2009 8:56 0.0 0.0 2.1 

12/8/2009 9:48 8.3 0.7 130.6 System Bias 

12/8/2009 9:48 0.2 0.1 169.7 System Bias 

12/8/2009 9:49 0.1 0.1 225.4 System Bias 

12/8/2009 9:49 0.1 0.0 247.2 System Bias 

12/8/2009 9:49 0.1 0.0 254.2 System Bias 

12/8/2009 9:50 0.1 0.0 257.0 System Bias 

12/8/2009 9:50 0.0 0.0 258.5 System Bias 

12/8/2009 9:50 0.0 0.0 259.2 System Bias 

12/8/2009 9:51 0.0 0.0 260.6 System Bias 

12/8/2009 9:51 0.0 0.0 261.4 System Bias 

12/8/2009 9:51 0.0 0.0 261.0 System Bias 

12/8/2009 9:52 0.0 0.0 261.3 System Bias 

12/8/2009 9:52 0.4 0.1 261.9 System Bias 

12/8/2009 9:52 6.7 0.6 245.5 System Bias 

12/8/2009 9:53 0.1 0.1 169.2 System Bias 

12/8/2009 9:53 0.0 0.0 70.8 System Bias 

12/8/2009 9 :53 0.0 0.0 35.6 System Bias 

12/8/2009 9:54 0.0 0.0 23.0 System Bias 

12/8/2009 9:54 0.0 0.0 17.1 System Bias 

12/8/2009 9:54 0.0 0.0 13.9 System Bias 

12/8/2009 9:55 0.0 0.0 11.5 System Bias 

12/8/2009 9:55 0.0 0.0 9.7 System Bias 

12/8/2009 9:55 0.0 0.0 8.8 System Bias 

12/8/2009 9:56 0.0 0.0 7.6 System Bias 

121812009 9:56 0.0 0.0 6.9 System Bias 

12/8/2009 9:56 0.0 0.0 6.3 System Bias 

12/8/2009 9:57 0.0 0.0 6.0 System Bias 

12/8/2009 9:57 0.0 0.0 5.4 System Bias 

12/8/2009 9:57 0.0 0.0 5.2 System Bias 

12/8/2009 9:58 0.0 0.0 4.8 System Bias 

12/8/2009 9:58 0.0 0.0 4.5 System Bias 

12/8/2009 9:58 0.0 0.0 4.2 System Bias 

12/8/2009 9:59 0.0 0.0 4.1 System Bias 

12/8/2009 9:59 0.7 0.1 3.9 System Bias 

12/8/2009 9:59 8.5 0.8 18.5 System Bias 

12/8/2009 10:00 0.1 0.0 86.1 System Bias 

12/8/2009 10:00 0.0 0.0 190.4 System Bias 

12/8/2009 10:00 0.0 0.0 230.9 System Bias 

12/8/2009 10:01 0.0 0.0 240.8 System Bias 

12/8/2009 10:01 0.0 0.0 244.5 System Bias 

12/8/2009 10:01 0.0 0.0 247.2 System Bias 

12/8/2009 10:02 0.0 0.0 249.9 System Bias 

12/8/2009 10:02 0.0 0.0 251.7 System Bias 

12/8/2009 10:02 0.0 0.0 253.9 System Bias 

Page 5 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 10:03 0.0 0.0 255.2 261.9 S02 System Bias 

12/8/2009 10:03 0.1 0.0 256.7 System Bias 

12/8/2009 10:03 7.6 0.7 257.9 System Bias 

12/8/2009 10:04 0.2 0.0 191.0 System Bias 

12/8/2009 10:04 0.0 0.0 77.5 System Bias 

12/8/2009 10:04 0.0 0.0 36.9 System Bias 

12/8/2009 10:05 0.0 0.0 22.4 System Bias 

12/8/2009 10:05 0.0 0.0 16.1 System Bias 

12/8/2009 10:05 0.0 0.0 12.8 System Bias 

121812009 10:06 0.0 0.0 10.6 System Bias 

12/8/2009 10:06 0.0 0.0 8.8 System Bias 

12/8/2009 10:06 0.0 0.0 7.6 System Bias 

12/8/2009 10:07 0.0 0.0 6.9 System Bias 

12/8/2009 10:07 0.0 0.0 6.2 System Bias 

12/8/2009 10:07 0.0 0.0 6.0 System Bias 

12/8/2009 10:08 0.0 0.0 5.5 System Bias 

12/8/2009 10:08 0.0 0.0 5.2 System Bias 

12/8/2009 10:08 0.0 0.0 4.8 System Bias 

12/8/2009 10:09 0.0 0.0 4.2 System Bias 

12/8/2009 10:09 0.0 0.0 4.3 System Bias 

12/8/2009 10:09 0.0 0.0 4.2 System Bias 

12/8/200910:10 0.0 0.0 4.2 System Bias 

12/8/200910:10 0.0 0.0 4.1 S02 Zero System Bias 

12/8/200910:10 9.1 0.9 7.4 

12/8/200910:11 18.3 1.6 65.4 

12/8/200910:11 18.4 1.6 109.5 In Stack 

12/8/200910:11 18.4 1.6 126.6 In Stack 

12/8/200910:12 18.4 1.6 134.4 In Stack 

12/8/200910:12 18.4 1.6 137.9 In Stack 

12/8/200910:12 18.4 1.6 141.1 In Stack 

12/8/200910:13 18.4 1.6 142.4 In Stack 

12/8/200910:13 18.4 1.6 145.1 In Stack 

12/8/200910:13 18.4 1.6 146.1 In Stack 

12/8/200910:14 18.4 1.6 147.2 In Stack 

12/8/200910:14 18.4 1.6 147.6 In Stack 

12/8/200910:14 18.4 1.6 147.8 In Stack 

12/8/200910:15 18.4 1.6 148.8 In Stack 

12/8/200910:15 18.4 1.6 150.3 In Stack 

12/8/2009 10: 15 18.4 1.6 150.2 In Stack 

12/8/200910:16 18.4 1.6 149.8 In Stack 

12/8/200910:16 18.4 1.6 149.4 In Stack 

12/8/200910:16 18.4 1.6 148.5 In Stack 

12/8/2009 10:17 18.4 1.6 148.6 In Stack 

12/8/200910:17 18.4 1.6 149.3 In Stack 

12/8/2009 10:17 18.4 1.6 150.7 In Stack 

12/8/200910:18 18.4 1.6 151.9 In Stack 

12/8/2009 10:18 18.4 1.6 152.0 In Stack 

12/8/2009 10:18 18.4 1.6 151.8 In Stack 

12/8/2009 10:19 18.4 1.6 152.3 In Stack 

12/8/200910:19 18.4 1.6 152.8 In Stack 

12/8/2009 10:19 18.4 1.6 153.2 In Stack 

12/8/2009 10:20 18.4 1.6 154.4 In Stack 

12/8/2009 10:20 18.4 1.6 157.2 In Stack 

12/8/2009 10:20 18.4 1.6 160.1 In Stack 

12/8/2009 10:21 18.4 1.6 162.2 In Stack 

12/8/2009 10:21 18.4 1.6 164.4 In Stack 

12/8/2009 10:21 18.4 1.6 166.5 In Stack 

12/8/2009 10:22 18.5 1.6 168.1 In Stack 

12/8/2009 10:22 18.5 1.6 169.7 In Stack 

12/8/2009 10:22 18.5 1.6 170.6 In Stack 

12/8/2009 10:23 18.5 1.6 169.3 In Stack 

12/8/2009 10:23 18.5 1.6 167.6 In Stack 

12/8/2009 10:23 18.5 1.6 165.8 In Stack 

12/8/2009 10:24 18.5 1.6 163.8 In Stack 

12/8/2009 10:24 18.5 1.6 161.8 In Stack 

12/8/2009 10:24 18.5 1.6 161.3 In Stack 

12/8/2009 10:25 18.4 1.6 160.4 In Stack 

12/8/2009 10:25 18.5 1.6 158.5 In Stack 

12/8/2009 10:25 18.5 1.6 157.8 In Stack 

12/8/2009 10:26 18.5 1.6 157.1 In Stack 

12/8/2009 10:26 18.5 1.6 155.7 In Stack 

12/8/2009 10:26 18.5 1.6 154.9 In Stack 

12/8/2009 10:27 18.5 1.6 153.8 In Stack 

Page 6 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 10:27 18.5 1.6 152.0 In Stack 

12/8/2009 10:27 18.5 1.6 149.9 In Stack 

12/8/2009 10:28 18.5 1.6 147.8 In Stack 

12/8/2009 10:28 18.5 1.6 146.4 In Stack 

12/8/2009 10:28 18.4 1.6 145.2 In Stack 

12/8/2009 10:29 18.5 1.6 143.7 In Stack 

12/8/2009 10:29 18.5 1.6 142.7 In Stack 

12/8/2009 10:29 18.5 1.6 142.3 In Stack 

12/8/2009 10:30 18.5 1.6 142.1 In Stack 

12/8/2009 10:30 18.5 1.6 141.4 In Stack 

12/8/2009 10:30 18.5 1.6 140.2 In Stack 

12/8/200910:31 18.5 1.6 138.8 In Stack 

12/8/200910:31 18.5 1.6 137.8 In Stack 

12/8/200910:31 18.5 1.6 136.6 In Stack 

12/8/2009 10:32 18.5 1.6 135.1 In Stack 

12/8/2009 10:32 18.5 1.6 132.9 In Stack 

12/8/2009 10:32 18.5 1.6 130.5 In Stack 

12/8/2009 10:33 18.5 1.6 128.6 In Stack 

12/8/2009 10:33 18.5 1.6 126.7 In Stack 

12/8/2009 10:33 18.5 1.6 124.9 In Stack 

12/8/2009 10:34 18.5 1.6 123.5 In Stack 

12/8/2009 10:34 18.5 1.6 122.1 In Stack 

12/8/2009 10:34 18.5 1.6 120.8 In Stack 

12/8/2009 10:35 18.5 1.6 119.2 In Stack 

12/8/2009 10:35 18.5 1.6 117.4 In Stack 

12/8/2009 10:35 18.5 1.6 115.4 In Stack 

12/8/2009 10:36 18.5 1.6 113.0 In Stack 

12/8/2009 10:36 18.5 1.6 111.6 In Stack 

12/8/2009 10:36 18.5 1.6 111.0 In Stack 

12/8/2009 10:37 18.5 1.6 111.0 In Stack 

12/8/2009 10:37 18.5 1.6 111.5 In Stack 

12/8/2009 10:37 18.5 1.6 112.4 In Stack 

12/8/2009 10:38 18.5 1.6 112.7 In Stack 

12/8/2009 10:38 18.5 1.6 112.9 In Stack 

12/8/2009 10:38 18.5 1.6 113.2 In Stack 

12/8/2009 10:39 18.5 1.6 113.7 In Stack 

12/8/2009 10:39 18.5 1.6 114.4 In Stack 

12/8/2009 10:39 18.5 1.6 114.6 In Stack 

12/8/2009 10:40 18.5 1.6 114.5 In Stack 

12/8/2009 10:40 18.5 1.6 114.8 In Stack 

12/8/2009 10:40 18.5 1.6 117.6 In Stack 

12/8/2009 10:41 18.5 1.6 120.9 In Stack 

12/8/2009 10:41 18.5 1.6 122.2 In Stack 

12/8/2009 10:41 18.5 1.6 123.1 In Stack 

12/8/2009 10:42 18.5 1.6 123.8 In Stack 

12/8/2009 10:42 18.5 1.6 124.8 In Stack 

12/8/2009 10:42 18.5 1.6 125.4 In Stack 

12/8/2009 10:43 18.5 1.6 126.1 Point A Run 1 

12/8/2009 10:43 18.5 1.6 126.4 Point A Run 1 

12/8/2009 10:43 18.5 1.6 125.1 Point A Run 1 

12/8/2009 10:44 18.5 1.6 123.7 Point A Run 1 

12/8/2009 10:44 18.5 1.6 122.9 Point A Run 1 

12/8/2009 10:44 18.5 1.6 121.9 Point A Run 1 

12/8/2009 10:45 18.5 1.6 121.0 Point A Run 1 

12/8/2009 10:45 18.5 1.6 120.7 Point A Run 1 

12/8/2009 10:45 18.5 1.6 120.2 Point A Run 1 

12/8/2009 10:46 18.4 1.6 119.6 Point A Run 1 

12/8/2009 10:46 18.4 1.6 119.9 Point A Run 1 

12/8/2009 10:46 18.4 1.6 120.3 Point A Run 1 

12/8/200910:47 18.4 1.6 120.9 Point A Run 1 

12/8/200910:47 18.4 1.6 121.1 Point A Run 1 

12/8/200910:47 18.4 1.6 121.2 Point A Run 1 

12/8/2009 10:48 18.4 1.6 121.0 Point A Run 1 

12/8/2009 10:48 18.4 1.6 121.2 Point A Run 1 

12/8/2009 10:48 18.4 1.6 121.5 Point A Run 1 

12/8/2009 10:49 18.4 1.7 121.9 Point A Run 1 

12/8/2009 10:49 18.4 1.7 122.4 Point A Run 1 

12/8/2009 10:49 18.4 1.7 123.8 Point A Run 1 

12/8/2009 10:50 18.4 1.6 126.0 Point A Run 1 

12/8/2009 10:50 18.4 1.7 128.2 Point A Run 1 

12/8/2009 10:50 18.4 1.7 130.3 Point A Run 1 

12/8/200910:51 18.4 1.7 132.7 Point A Run 1 

12/8/2009 10:51 18.4 1.7 135.7 Point A Run 1 

Page 7 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/200910:51 18.4 1.7 139.0 Point A Run 1 

1218/2009 10:52 18.4 1.7 141.1 Point A Run 1 

12/8/2009 10:52 18.4 1.7 142.1 Point A Run 1 

12/8/2009 10:52 18.4 1.7 143.0 Point A Run 1 

12/8/2009 10:53 18.4 1.7 144.2 Point A Run 1 

12/8/2009 10:53 18.4 1.7 145.0 Point A Run 1 

12/8/2009 10:53 18.4 1.7 144.8 Point A Run 1 

12/8/2009 10:54 18.4 1.7 144.6 Point A Run 1 

12/8/2009 10:54 18.4 1.7 144.2 Point A Run 1 

12/8/2009 10:54 18.4 1.7 143.8 Point A Run 1 

12/8/2009 10:55 18.4 1.7 142.8 Point A Run 1 

12/8/2009 10:55 18.4 1.7 141.8 Point A Run 1 

12/8/2009 10:55 18.4 1.7 141.0 Point A Run 1 

12/8/2009 10:56 18.3 1.7 140.5 Point A Run 1 

12/8/2009 10:56 18.3 1.7 140.9 Point A Run 1 

12/8/2009 10:56 18.3 1.7 141.1 Point A Run 1 

12/8/2009 10:57 18.3 1.7 141.4 Point A Run 1 

12/8/2009 10:57 18.3 1.7 141.2 Point A Run 1 

12/8/2009 10:57 18.4 1.7 141.1 Point A Run 1 

12/8/2009 10:58 18.3 1.7 140.0 Point A Run 1 

12/8/2009 10:58 18.4 1.7 139.8 Point A Run 1 

12/8/2009 10:58 18.4 1.7 140.6 Point A Run 1 

12/8/2009 10:59 18.4 1.7 140.7 Point A Run 1 

12/8/2009 10:59 18.4 1.7 140.5 Point A Run 1 

12/8/2009 10:59 18.4 1.7 139.3 Point A Run 1 

12/8/2009 11 :00 18.4 1.7 138.5 Point A Run 1 

12/8/2009 11 :00 18.4 1.7 138.9 Point A Run 1 

1218/2009 11 :00 18.4 1.7 138.8 Point A Run 1 

12/8/2009 11 :01 18.4 1.7 139.4 Point A Run 1 

12/8/2009 11 :01 18.4 1.7 140.6 Point A Run 1 

12/8/2009 11 :01 18.4 1.7 141.9 Point A Run 1 

12/8/2009 11 :02 18.4 1.7 142.6 Point A Run 1 

12/8/2009 11 :02 18.4 1.7 142.7 Point A Run 1 

12/8/2009 11 :02 18.4 1.7 143.1 Point A Run 1 

12/8/2009 11 :03 18.4 1.7 144.2 Point B Run 1 

12/8/2009 11 :03 18.4 1.7 145.4 Point B Run 1 

12/8/2009 11 :03 18.3 1.7 145.8 Point B Run 1 

12/8/2009 11 :04 18.3 1.7 146.8 Point B Run 1 

1218/2009 11 :04 18.4 1.7 148.4 Point B Run 1 

12/8/2009 11 :04 18.4 1.7 149.1 Point B Run 1 

12/8/2009 11 :05 18.4 1.7 148.9 Point B Run 1 

12/8/2009 11 :05 18.3 1.7 148.6 Point B Run 1 

12/8/2009 11 :05 18.3 1.7 148.8 Point B Run 1 

12/8/2009 11 :06 18.3 1.7 149.3 Point B Run 1 

12/8/2009 11 :06 18.3 1.7 149.6 Point B Run 1 

1218/2009 11 :06 18.3 1.7 148.1 Point B Run 1 

12/8/2009 11 :07 18.3 1.7 146.2 Point B Run 1 

12/8/2009 11 :07 18.3 1.7 145.1 Point B Run 1 

12/8/2009 11 :07 18.3 1.7 144.4 Point B Run 1 

12/8/2009 11 :08 18.3 1.7 144.0 Point B Run 1 

12/8/2009 11 :08 18.3 1.7 143.3 Point B Run 1 

12/8/2009 11 :08 18.3 1.7 142.7 Point B Run 1 

12/8/2009 11 :09 18.4 1.7 142.4 Point B Run 1 

12/8/2009 11 :09 18.3 1.7 141.5 Point B Run 1 

12/8/2009 11 :09 18.3 1.7 141.2 Point B Run 1 

12/8/2009 11:10 18.3 1.7 141.2 Point B Run 1 

12/8/2009 11:10 18.3 1.7 141.0 Point B Run 1 

12/8/2009 11:10 18.3 1.7 140.5 Point B Run 1 

12/8/200911 :11 18.3 1.7 140.3 Point B Run 1 

12/8/2009 11 :11 18.3 1.7 140.3 Point B Run 1 

12/8/2009 11 :11 18.3 1.7 141.2 Point B Run 1 

12/8/2009 11 :12 18.3 1.7 143.1 Point B Run 1 

12/8/2009 11 :12 18.3 1.7 144.5 Point B Run 1 

12/8/200911 :12 18.3 1.7 144.4 Point B Run 1 

12/8/2009 11 :13 18.3 1.7 144.0 Point B Run 1 

12/8/2009 11 :13 18.3 1.7 144.3 Point B Run 1 

12/8/200911:13 18.3 1.7 145.3 Point B Run 1 

12/8/200911 :14 18.3 1.7 146.6 Point B Run 1 

12/8/200911 :14 18.3 1.7 146.6 Point B Run 1 

12/8/200911 :14 18.3 1.7 146.4 Point B Run 1 

12/8/2009 11 :15 18.3 1.7 145.9 Point B Run 1 

12/8/2009 11 :15 18.3 1.7 145.9 Point B Run 1 

12/8/2009 11 :15 18.3 1.7 146.5 Point B Run 1 

Page 8 of 21 
eliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg e02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 11 :16 18.3 1.7 146.7 Point B Run 1 

12/8/200911:16 18.3 1.7 146.2 Point B Run 1 

12/8/2009 11 :16 18.3 1.7 146.2 Point B Run 1 

12/8/2009 11 :17 18.3 1.7 145.7 Point B Run 1 

12/8/200911 :17 18.3 1.7 144.7 Point B Run 1 

12/8/2009 11 :17 18.3 1.7 144.5 Point B Run 1 

12/8/200911:18 18.3 1.7 144.5 Point B Run 1 

12/8/2009 11 :18 18.3 1.7 144.9 Point B Run 1 

12/8/2009 11 :18 18.3 1.7 145.1 Point B Run 1 

12/8/2009 11 :19 18.3 1.7 145.5 Point B Run 1 

12/8/2009 11 :19 18.3 1.7 145.7 Point B Run 1 

1218/2009 11 :19 18.3 1.7 145.1 Point B Run 1 

12/8/2009 11 :20 18.3 1.7 145.3 Point B Run 1 

12/8/2009 11 :20 18.3 1.7 146.1 Point B Run 1 

1218/2009 11 :20 18.3 1.7 146.9 Point B Run 1 

12/8/2009 11 :21 18.3 1.7 146.9 Point B Run 1 

12/8/2009 11 :21 18.3 1.7 147.0 Point B Run 1 

12/8/2009 11 :21 18.3 1.7 148.1 Point B Run 1 

12/8/2009 11 :22 18.3 1.7 149.4 Point B Run 1 

12/8/2009 11 :22 18.3 1.7 152.2 Point B Run 1 

12/8/2009 11 :22 18.3 1.7 154.5 Point B Run 1 

12/8/2009 11 :23 18.3 1.7 155.4 Point B Run 1 

12/8/2009 11 :23 18.3 1.7 155.8 Point B Run 1 

12/8/2009 11 :23 18.3 1.7 156.0 Point B Run 1 

12/8/2009 11 :24 18.3 1.7 156.2 Point B Run 1 

12/8/2009 11 :24 20.0 0.6 139.5 Run 1 

12/8/2009 11 :24 20.8 0.1 69.1 Run 1 

12/8/2009 11 :25 20.8 0.1 31.4 Run 1 

12/8/2009 11 :25 20.8 0.1 18.5 Run 1 

12/8/2009 11 :25 20.3 0.5 13.3 Run 1 

12/8/2009 11 :26 18.4 1.7 46.3 Run 1 

12/8/2009 11 :26 18.3 1.7 112.4 Run 1 

12/8/2009 11 :26 18.3 1.7 141.8 Run 1 

12/8/2009 11 :27 18.3 1.7 153.5 Run 1 

12/8/2009 11 :27 18.3 1.7 157.3 Run 1 

12/8/2009 11 :27 18.3 1.7 158.5 Run 1 

12/8/2009 11 :28 18.3 1.7 157.6 Run 1 

12/8/2009 11 :28 18.3 1.7 156.5 Run 1 

12/8/2009 11 :28 18.3 1.7 154.4 Run 1 

12/8/2009 11 :29 18.3 1.7 152.8 Point e Run 1 

12/8/2009 11 :29 18.3 1.7 152.8 Point e Run 1 

12/8/2009 11 :29 18.3 1.7 153.3 Point e Run 1 

12/8/2009 11 :30 18.3 1.7 153.4 Pointe Run 1 

12/8/2009 11 :30 18.3 1.7 153.5 Point e Run 1 

12/8/2009 11 :30 18.3 1.7 154.0 Point e Run 1 

12/8/2009 11 :31 18.3 1.7 154.5 Pointe Run 1 

12/8/2009 11 :31 18.3 1.7 153.7 Pointe Run 1 

12/8/200911 :31 18.4 1.7 152.2 Point e Run 1 

12/8/2009 11 :32 18.4 1.7 151.3 Point e Run 1 

12/8/2009 11 :32 18.4 1.7 151.3 Point e Run 1 

12/8/2009 11 :32 18.3 1.7 150.3 Point e Run 1 

12/8/2009 11 :33 18.3 1.7 150.0 Point e Run 1 

12/8/2009 11 :33 18.3 1.7 149.4 Point e Run 1 

12/8/2009 11 :33 18.3 1.7 148.1 Point e Run 1 

12/8/2009 11 :34 18.3 1.7 147.5 Point e Run 1 

12/8/2009 11 :34 18.3 1.7 147.0 Point e Run 1 

12/8/2009 11 :34 18.4 1.7 147.6 Pointe Run 1 

12/8/2009 11 :35 18.4 1.7 148.4 Pointe Run 1 

12/8/2009 11 :35 18.4 1.7 147.7 Point e Run 1 

12/8/2009 11 :35 18.3 1.7 147.4 Point e Run 1 

12/8/2009 11 :36 18.3 1.7 147.7 Point e Run 1 

12/8/2009 11 :36 18.3 1.7 147.9 Point e Run 1 

12/8/2009 11 :36 18.3 1.7 148.0 Point e Run 1 

12/8/2009 11 :37 18.3 1.7 148.3 Point e Run 1 

12/8/2009 11 :37 18.3 1.7 149.5 Point e Run 1 

12/8/2009 11 :37 18.3 1.7 149.3 Point e Run 1 

12/8/2009 11 :38 18.3 1.7 148.1 Pointe Run 1 

12/8/2009 11 :38 18.3 1.7 147.2 Pointe Run 1 

12/8/2009 11 :38 18.3 1.7 147.0 Point e Run 1 

12/8/2009 11 :39 18.3 1.7 147.0 Pointe Run 1 

12/8/2009 11 :39 18.3 1.7 146.8 Point e Run 1 

12/8/2009 11 :39 18.3 1.7 146.7 Point e Run 1 

12/8/2009 11 :40 18.3 1.7 146.9 Point e Run 1 

Page 9 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 11 :40 18.3 1.7 146.8 Point C Run 1 

12/8/2009 11 :40 18.3 1.7 145.6 Point C Run 1 

12/8/200911 :41 18.3 1.7 144.0 PointC Run 1 

12/8/2009 11 :41 18.3 1.7 143.3 PointC Run 1 

12/8/2009 11 :41 18.3 1.7 142.5 PointC Run 1 

12/8/2009 11 :42 18.3 1.7 142.3 PointC Run 1 

12/8/2009 11 :42 18.3 1.7 142.9 Point C Run 1 

12/8/2009 11 :42 18.3 1.7 144.1 PointC Run 1 

12/8/2009 11 :43 18.3 1.7 145.7 Point C Run 1 

12/8/2009 11 :43 18.4 1.7 147.2 Point C Run 1 

12/8/2009 11 :43 18.4 1.7 147.8 Point C Run 1 

12/8/2009 11 :44 18.3 1.7 148.9 Point C Run 1 

12/8/2009 11 :44 18.3 1.7 150.6 Point C Run 1 

12/8/2009 11 :44 18.4 1.7 152.6 Point C Run 1 

12/8/2009 11 :45 18.4 1.7 153.3 Point C Run 1 

12/8/2009 11 :45 18.4 1.7 153.1 Point C Run 1 

12/8/2009 11 :45 18.4 1.7 152.4 PointC Run 1 

12/8/2009 11 :46 18.3 1.7 151.8 Point C Run 1 

12/8/2009 11 :46 18.3 1.7 152.4 Point C Run 1 

12/8/2009 11 :46 18.3 1.7 153.1 Point C Run 1 

1218/2009 11:47 18.3 1.7 153.1 Point C Run 1 

12/8/200911 :47 18.4 1.7 152.7 Point C Run 1 

12/8/2009 11 :47 18.4 1.7 152.2 Point C Run 1 

12/8/2009 11 :48 18.4 1.7 151.9 Point C Run 1 

12/8/2009 11 :48 18.4 1.7 152.3 Point C Run 1 

12/8/2009 11 :48 18.4 1.7 152.0 PointC Run 1 

12/8/2009 11 :49 18.3 1.7 151.7 PointC Run 1 

12/8/2009 11 :49 18.3 1.7 152.0 Point C Run 1 

12/8/2009 11 :49 18.3 1.7 151.7 PointC Run 1 

12/8/2009 11 :50 18.3 1.7 150.8 PointC Run 1 

12/8/2009 11 :50 18.3 1.7 149.1 Point C Run 1 

12/8/2009 11 :50 18.3 1.7 146.9 PointC Run 1 

12/8/2009 11 :51 18.3 1.7 144.6 Point C Run 1 

12/8/200911 :51 18.3 1.7 143.0 PointC Run 1 

12/8/2009 11 :51 18.3 1.7 142.9 Point C Run 1 

12/8/2009 11 :52 18.3 1.7 144.0 

12/8/2009 11 :52 18,3 1.7 145.5 

12/8/2009 11 :52 18.3 1.7 146.1 

12/8/2009 11 :53 18.3 1.7 147.6 

12/8/2009 11 :53 18.3 1.7 149.4 

12/8/2009 11 :53 18.3 1.7 149.5 

12/8/2009 11 :54 18.3 1.7 148.6 

12/8/2009 11 :54 18.3 1.7 147.8 

12/8/2009 11 :54 18.3 1.7 147.9 

12/8/2009 11 :55 18.6 1.5 147.9 

12/8/2009 11 :55 20.6 0.2 111.1 

12/8/2009 11 :55 20.8 0.1 47.8 

12/8/2009 11 :56 20.8 0.1 23.4 

12/8/2009 11 :56 20.8 0.1 14.5 

121812009 11 :56 20.8 0.1 10.5 

12/8/2009 11 :57 20.8 0.1 8.1 

12/8/2009 11 :57 20.8 0.1 6.6 

12/8/2009 11 :57 20.8 0.1 5.6 

12/8/2009 11 :58 20.8 0.1 4.9 

12/8/2009 11 :58 20.8 0.1 4.6 

12/8/2009 11 :58 20.1 0.1 4.0 

12/8/2009 11 :59 14.9 0.1 3.9 

12/8/2009 11 :59 20.7 0.1 5.0 Drift Check 

12/8/2009 11 :59 17.8 0.1 4.8 Drift Check 

12/8/2009 12:00 0.8 0.0 3.9 Drift Check 

12/8/2009 12:00 0.1 0.0 3.7 Drift Check 

12/8/2009 12:00 0.1 0.0 3.5 02, C02, S02 Zero Drift Check 

12/8/2009 12:01 0.1 0.0 3.4 Drift Check 

12/8/2009 12:01 0.1 0.0 3.3 Drift Check 

12/8/2009 12:01 11.9 0.1 2.9 Drift Check 

12/8/2009 12:02 1.0 0.0 17.8 Drift Check 

12/8/2009 12:02 0.1 0.0 138.0 Drift Check 

12/8/2009 12:02 0.1 0.0 212.0 Drift Check 

12/8/2009 12:03 0.0 0.0 237.5 Drift Check 

12/8/2009 12:03 0.0 0.0 247.1 Drift Check 

12/8/2009 12:03 0.0 0.0 251.7 Drift Check 

12/8/2009 12:04 0.0 0.0 253.4 Drift Check 

12/8/2009 12:04 0.0 0.0 255.9 Drift Check 

Page 10 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes. Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 12:04 0.0 0.0 256.2 Drift Check 

12/8/2009 12:05 0.0 0.0 258.7 Drift Check 

12/8/2009 12:05 0.0 0.0 258.4 Drift Check 

1218/2009 12:05 0.0 0.0 259.2 Drift Check 

12/8/2009 12:06 0.0 0.0 259.2 Drift Check 

1218/2009 12:06 0.0 0.0 259.2 Drift Check 

12/8/2009 12:06 0.0 0.0 259.4 Drift Check 

12/8/2009 12:07 1.7 0.0 259.8 261.9 S02 Drift Check 

12/8/2009 12:07 10.5 0.6 204.5 Drift Check 

12/8/2009 12:07 18.9 3.8 135.0 Drift Check 

1218/2009 12:08 19.8 3.9 55.5 Drift Check 

12/8/2009 12:08 19.9 4.0 27.8 Drift Check 

1218/2009 12:08 20.0 4.0 17.5 Drift Check 

12/8/2009 12:09 20.0 4.0 12.8 Drift Check 

12/8/2009 12:09 20.0 4.0 9.9 Drift Check 

12/8/2009 12:09 20.0 4.0 8.2 Drift Check 

12/8/200912:10 20.0 4.0 6.9 Drift Check 

12/8/200912:10 20.0 4.0 6.1 0220.0. C02 4.0 Drift Check 

12/8/200912:10 20.0 4.0 5.0 Drift Check 

12/8/200912:11 20.0 4.0 4.6 Drift Check 

12/8/200912:11 20.3 2.5 4.5 Drift Check 

12/8/200912:11 20.9 0.2 4.7 Drift Check 

12/8/200912:12 20.9 0.1 4.6 Drift Check 

12/8/200912:12 20.9 0.1 4.3 Drift Check 

12/8/200912:12 20.9 0.1 4.2 Drift Check 

12/8/200912:13 21.0 0.1 4.1 Drift Check 

12/8/200912:13 21.0 0.1 3.9 

12/8/2009 12: 13 21.0 0.1 3.6 

12/8/200912:14 21.0 0.1 3.2 

12/8/200912:14 21.0 0.1 2.8 

12/8/200912:14 21.0 0.1 2.6 

12/8/200912:15 21.0 0.1 2.4 

12/8/200912:15 21.0 0.1 2.2 

12/8/2009 12:15 21.0 0.1 2.1 

12/8/200912:16 21.0 0.1 1.9 

12/8/2009 12:16 21.0 0.1 1.7 

12/8/200912:16 21.0 0.1 1.5 

12/8/2009 12:17 21.0 0.1 1.5 

12/8/200912:17 21.0 0.1 1.4 

12/8/200912:17 21.0 0.1 1.3 

12/8/200912:18 21.0 0.1 1.4 

12/8/200912:18 21.0 0.1 1.2 

12/8/200912:18 21.0 0.1 1.3 

12/8/200912:19 21.0 0.1 1.1 

12/8/200912:19 21.0 0.1 1.1 

12/8/2009 12: 19 21.0 0.1 1.0 

12/8/2009 12:20 21.0 0.1 0.9 

12/8/2009 12:20 21.0 0.1 1.0 

12/8/2009 12:20 21.0 0.1 1.0 

1218/2009 12:21 21.0 0.1 0.9 

12/8/2009 12:21 21.0 0.1 0.9 

12/8/2009 12:21 21.0 0.1 0.9 

12/8/2009 12:22 21.0 0.1 0.8 

12/8/2009 12:22 19.3 1.3 9.6 

12/8/2009 12:22 18.5 1.7 75.6 In Stack 

12/8/2009 12:23 18.5 1.7 117.6 In Stack 

12/8/2009 12:23 18.5 1.7 131.4 In Stack 

12/8/2009 12:23 18.5 1.7 136.7 In Stack 

12/8/2009 12:24 18.5 1.7 139.3 In Stack 

12/8/2009 12:24 18.5 1.7 139.1 In Stack 

12/8/2009 12:24 18.5 1.7 138.0 In Stack 

12/8/2009 12:25 18.5 1.7 138.3 In Stack 

12/8/2009 12:25 18.5 1.7 136.8 In Stack 

12/8/2009 12:25 18.5 1.7 136.1 In Stack 

12/8/2009 12:26 18.5 1.7 135.8 In Stack 

12/8/2009 12:26 18.5 1.7 135.0 In Stack 

12/8/2009 12:26 18.5 1.7 134.9 In Stack 

12/8/2009 12:27 18.5 1.7 135.3 Run 2 

12/8/2009 12:27 18.5 1.7 136.6 Run 2 

12/8/2009 12:27 18.5 1.7 137.7 Run 2 

12/8/2009 12:28 18.5 1.7 138.2 Run 2 

12/8/2009 12:28 18.5 1.7 138.5 Run 2 

12/8/2009 12:28 18.5 1.7 139.1 Run 2 

Page 11 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 12:29 18.5 1.7 138.6 Run 2 

12/8/2009 12:29 18.5 1.7 138.5 Run 2 

12/8/2009 12:29 18.5 1.7 138.6 Run 2 

12/8/2009 12:30 18.5 1.7 139.0 Run 2 

12/8/2009 12:30 18.5 1.7 140.0 Run 2 

12/8/2009 12:30 18.5 1.7 140.8 Run 2 

12/8/2009 12:31 18.5 1.7 141.5 Run 2 

12/8/200912:31 18.5 1.7 142.5 Run 2 

12/8/200912:31 18.4 1.7 143.0 Run 2 

12/8/2009 12:32 18.4 1.7 142.7 Run 2 

12/8/2009 12:32 18.4 1.7 142.4 Run 2 

12/8/2009 12:32 18.5 1.7 142.5 Run 2 

12/8/2009 12:33 18.5 1.7 141.7 Run 2 

12/8/2009 12:33 18.5 1.7 141.2 Run 2 

12/8/2009 12:33 18.5 1.7 141.6 Run 2 

12/8/2009 12:34 18.5 1.7 141.5 Run 2 

12/8/2009 12:34 18.5 1.7 140.6 Run 2 

12/8/2009 12:34 18.5 1.7 140.9 Run 2 

12/8/2009 12:35 18.5 1.7 141.2 Run 2 

12/8/2009 12:35 18.5 1.7 140.4 Run 2 

12/8/2009 12:35 18.5 1.7 140.2 Run 2 

12/8/2009 12:36 18.5 1.7 141.5 Run 2 

12/8/2009 12:36 18.5 1.7 141.7 Run 2 

12/8/2009 12:36 18.5 1.7 142.2 Run 2 

12/8/2009 12:37 18.5 1.7 143.2 Run 2 

12/8/2009 12:37 18.5 1.7 143.8 Run 2 

12/8/2009 12:37 18.5 1.7 144.3 Run 2 

12/8/2009 12:38 18.5 1.7 144.9 Run 2 

12/8/2009 12:38 18.5 1.7 145.6 Run 2 

12/8/2009 12:38 18.5 1.7 146.0 Run 2 

12/8/2009 12:39 18.5 1.7 145.7 Run 2 

12/8/2009 12:39 18.4 1.7 145.8 Run 2 

12/8/2009 12:39 18.4 1.7 146.2 Run 2 

12/8/2009 12:40 18.4 1.7 147.2 Run 2 

12/8/2009 12:40 18.4 1.7 148.9 Run 2 

12/8/2009 12:40 18.4 1.7 150.2 Run 2 

12/8/2009 12:41 18.4 1.7 150.3 Run 2 

12/8/200912:41 18.4 1.7 150.4 Run 2 

12/8/2009 12:41 18.4 1.7 150.3 Run 2 

12/8/2009 12:42 18.4 1.7 150.7 Run 2 

12/8/2009 12:42 18.4 1.7 153.2 Run 2 

12/8/2009 12:42 18.4 1.7 155.6 Run 2 

12/8/2009 12:43 18.4 1.7 156.4 Run 2 

12/8/2009 12:43 18.5 1.7 156.3 Run 2 

12/8/2009 12:43 18.4 1.7 156.3 Run 2 

12/8/2009 12:44 18.5 1.7 157.2 Run 2 

12/8/2009 12:44 18.4 1.7 158.5 Run 2 

12/8/2009 12:44 18.4 1.7 159.0 Run 2 

12/8/2009 12:45 18.5 1.7 159.3 Run 2 

12/8/2009 12:45 18.4 1.7 160.0 Run 2 

12/8/2009 12:45 18.4 1.7 160.3 Run 2 

12/8/2009 12:46 18.4 1.7 159.5 Run 2 

12/8/2009 12:46 18.4 1.7 159.2 Run 2 

12/8/2009 12:46 18.4 1.8 159.0 Run 2 

12/8/200912:47 18.4 1.8 158.1 Run 2 

12/8/200912:47 18.4 1.8 157.4 Run 2 

12/8/2009 12:47 18.4 1.8 157.6 Run 2 

12/8/2009 12:48 18.4 1.8 158.1 Run 2 

12/8/2009 12:48 18.4 1.8 158.2 Run 2 

12/8/2009 12:48 18.4 1.7 157.9 Run 2 

12/8/2009 12:49 18.4 1.7 157.4 Run 2 

12/8/2009 12:49 18.4 1.7 157.0 Run 2 

12/8/2009 12:49 18.4 1.7 157.3 Run 2 

12/8/2009 12:50 18.5 1.7 157.0 Run 2 

12/8/2009 12:50 18.5 1.7 156.0 Run 2 

12/8/2009 12:50 18.5 1.7 155.4 Run 2 

12/8/2009 12:51 18.4 1.7 154.9 Run 2 

12/8/2009 12:51 18.4 1.7 154.9 Run 2 

12/8/200912:51 18.5 1.7 155.4 Run 2 

12/8/2009 12:52 18.5 1.7 155.3 Run 2 

12/8/2009 12:52 18.4 1.7 154.3 Run 2 

12/8/2009 12:52 18.4 1.7 153.5 Run 2 

12/8/2009 12:53 18.4 1.7 153.7 Run 2 

Page 12 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 28 WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 12:53 18.4 1.7 154.3 Run 2 

12/8/2009 12:53 18.4 1.7 153.9 Run 2 

12/8/2009 12:54 18.5 1.7 153.3 Run 2 

12/8/2009 12:54 19.2 1.2 151.9 Run 2 

12/8/2009 12:54 20.9 0.1 98.4 Run 2 

12/8/2009 12:55 20.9 0.1 41.3 Run 2 

12/8/2009 12:55 20.9 0.1 21.2 Run 2 

12/8/2009 12:55 20.9 0.1 13.7 Run 2 

12/8/2009 12:56 20.9 0.1 10.2 Run 2 

12/8/2009 12:56 20.9 0.1 8.1 Run 2 

12/8/2009 12:56 20.9 0.1 6.8 Run 2 

12/8/2009 12:57 20.9 0.1 5.8 Run 2 

12/8/2009 12:57 20.6 0.4 4.9 Run 2 

1218/2009 12:57 18.5 1.7 30.2 Run 2 

12/8/2009 12:58 18.4 1.7 94.7 Run 2 

12/8/2009 12:58 18.4 1.7 125.9 Run 2 

12/8/2009 12:58 18.4 1.7 137.2 Run 2 

12/8/2009 12:59 18.4 1.7 141.4 Run 2 

12/8/2009 12:59 18.4 1.7 142.7 Run 2 

12/8/2009 12:59 18.4 1.7 145.1 Run 2 

12/8/2009 13:00 18.4 1.7 144.6 Run 2 

12/8/2009 13:00 18.5 1.7 142.0 Run 2 

12/8/2009 13:00 18.5 1.7 140.6 Run 2 

12/8/2009 13:01 18.5 1.7 140.7 Run 2 

12/8/2009 13:01 18.5 1.7 141.4 Run 2 

12/8/2009 13:01 18.5 1.7 142.8 Run 2 

12/8/2009 13:02 18.5 1.7 143.9 Run 2 

12/8/2009 13:02 18.5 1.7 144.3 Run 2 

12/8/2009 13:02 18.5 1.7 144.5 Run 2 

12/8/2009 13:03 18.5 1.7 143.8 Run 2 

12/8/2009 13:03 18.5 1.7 144.1 Run 2 

12/8/2009 13:03 18.5 1.7 145.1 Run 2 

12/8/2009 13:04 18.5 1.7 145.4 Run 2 

12/8/2009 13:04 18.5 1.7 145.1 Run 2 

12/8/2009 13:04 18.5 1.7 144.2 Run 2 

12/8/2009 13:05 18.5 1.7 143.6 Run 2 

12/8/2009 13:05 18.5 1.7 143.4 Run 2 

12/8/2009 13:05 18.5 1.7 143.2 Run 2 

12/8/2009 13:06 18.5 1.7 142.6 Run 2 

12/8/2009 13:06 18.4 1.7 142.1 Run 2 

12/8/2009 13:06 18.5 1.7 142.3 Run 2 

12/8/2009 13:07 18.4 1.7 142.9 Run 2 

12/8/2009 13:07 18.4 1.7 143.5 Run 2 

12/8/2009 13:07 18.4 1.7 143.4 Run 2 

12/8/2009 13:08 18.5 1.7 141.9 Run 2 

12/8/2009 13:08 18.4 1.7 140.8 Run 2 

12/8/2009 13:08 18.4 1.7 141.4 Run 2 

12/8/2009 13:09 18.4 1.7 142.5 Run 2 

12/8/2009 13:09 18.4 1.7 143.7 Run 2 

12/8/2009 13:09 18.4 1.7 143.9 Run 2 

12/8/200913:10 18.4 1.7 144.2 Run 2 

12/8/2009 13:10 18.4 1.7 144.8 Run 2 

12/8/200913:10 18.5 1.7 145.0 Run 2 

12/8/2009 13:11 18.5 1.7 145.5 Run 2 

12/8/2009 13:11 18.5 1.7 145.5 Run 2 

12/8/2009 13:11 18.4 1.7 145.4 Run 2 

12/8/2009 13:12 18.5 1.7 145.8 Run 2 

12/8/200913:12 18.5 1.7 147.2 Run 2 

12/8/2009 13:12 18.5 1.7 147.8 Run 2 

12/8/200913:13 18.4 1.7 148.0 Run 2 

12/8/200913:13 18.4 1.7 149.1 Run 2 

12/8/200913:13 18.4 1.7 150.6 Run 2 

12/8/200913:14 18.5 1.7 151.9 Run 2 

12/8/200913:14 18.5 1.7 152.6 Run 2 

12/8/200913:14 18.5 1.7 152.7 Run 2 

1218/200913:15 18.4 1.7 152.0 Run 2 

12/8/200913:15 18.5 1.7 152.3 Run 2 

12/8/2009 13:15 18.5 1.7 152.4 Run 2 

12/8/2009 13:16 18.4 1.7 152.1 Run 2 

12/8/2009 13:16 18.5 1.7 152.7 Run 2 

12/8/200913:16 18.5 1.7 152.7 Run 2 

12/8/200913:17 18.5 1.7 152.2 Run 2 

12/8/200913:17 18.5 1.7 151.4 Run 2 

Page 13 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/200913:17 18.5 1.7 151.4 Run 2 

12/8/200913:18 18.5 1.7 152.1 Run 2 

12/8/200913:18 18.5 1.7 152.9 Run 2 

12/8/200913:18 18.5 1.7 153.4 Run 2 

12/8/200913:19 18.5 1.7 153.3 Run 2 

12/8/200913:19 18.5 1.7 152.6 Run 2 

12/8/200913:19 18.5 1.7 151.1 Run 2 

12/8/2009 13:20 18.5 1.7 149.6 Run 2 

1218/2009 13:20 18.5 1.7 148.5 Run 2 

12/8/2009 13:20 18.5 1.7 148.5 Run 2 

12/8/200913:21 18.5 1.7 148.4 Run 2 

12/8/2009 13:21 18.5 1.7 147.6 Run 2 

12/8/2009 13:21 18.5 1.7 148.0 Run 2 

12/8/2009 13:22 18.5 1.7 148.4 Run 2 

12/8/2009 13:22 18.5 1.7 148.0 Run 2 

12/8/2009 13:22 18.5 1.7 147.4 Run 2 

12/8/2009 13:23 18.5 1.7 146.8 Run 2 

12/8/2009 13:23 18.5 1.7 146.7 Run 2 

1218/2009 13:23 18.5 1.7 147.3 Run 2 

12/8/2009 13:24 18.5 1.7 146.8 Run 2 

12/8/2009 13:24 18.5 1.7 146.4 Run 2 

12/8/2009 13:24 18.5 1.7 146.5 Run 2 

12/8/2009 13:25 18.5 1.7 145.6 Run 2 

12/8/2009 13:25 18.5 1.7 144.9 Run 2 

12/8/2009 13:25 18.5 1.7 143.7 Run 2 

12/8/2009 13:26 18.5 1.7 142.6 Run 2 

12/8/2009 13:26 18.5 1.7 140.6 Run 2 

12/8/2009 13:26 18.5 1.7 137.7 Run 2 

12/8/2009 13:27 18.5 1.7 136.0 Run 2 

12/8/2009 13:27 18.4 1.7 136.1 Run 2 

12/8/2009 13:27 18.5 1.7 136.6 Run 2 

12/8/2009 13:28 18.5 1.7 136.6 Run 2 

12/8/2009 13:28 18.5 1.7 136.4 Run 2 

12/8/2009 13:28 18.4 1.7 136.9 Run 2 

12/8/2009 13:29 18.5 1.7 137.2 Run 2 

12/8/2009 13:29 18.5 1.7 136.9 Run 2 

12/8/2009 13:29 18.5 1.7 136.3 Run 2 

12/8/2009 13:30 18.5 1.7 135.6 Run 2 

12/8/2009 13:30 18.5 1.7 135.9 Run 2 

12/8/2009 13:30 18.5 1.7 136.6 Run 2 

12/8/200913:31 18.5 1.7 136.7 Run 2 

12/8/200913:31 18.5 1.7 137.0 Run 2 

12/8/200913:31 18.5 1.7 136.7 Run 2 

12/8/2009 13:32 18.5 1.7 136.6 Run 2 

12/8/2009 13:32 18.5 1.7 136.5 Run 2 

12/8/2009 13:32 18.5 1.7 137.1 Run 2 

12/8/2009 13:33 18.5 1.7 138.4 Run 2 

12/8/2009 13:33 18.5 1.7 139.0 Run 2 

12/8/2009 13:33 18.5 1.7 139.5 Run 2 

12/8/2009 13:34 18.5 1.7 140.3 Run 2 

12/8/2009 13:34 18.5 1.7 141.2 Run 2 

12/8/2009 13:34 18.5 1.7 142.5 Run 2 

12/8/2009 13:35 18.5 1.7 143.8 Run 2 

12/8/2009 13:35 18.5 1.7 143.9 Run 2 

12/8/2009 13:35 18.5 1.7 143.3 

12/8/2009 13:36 18.5 1.7 143.2 

12/8/2009 13:36 18.5 1.7 143.1 

12/8/2009 13:36 18.5 1.7 143.0 

12/8/2009 13:37 18.5 1.7 143.3 

12/8/2009 13:37 18.5 1.7 143.5 

12/8/2009 13:37 18.5 1.7 143.7 

12/8/2009 13:38 18.5 1.7 143.0 

12/8/2009 13:38 19.0 1.3 141.3 

12/8/2009 13:38 20.9 0.1 98.2 

12/8/2009 13:39 20.9 0.1 44.0 

12/8/2009 13:39 20.9 0.1 23.0 

12/8/2009 13:39 20.9 0.1 15.0 

12/8/2009 13:40 20.9 0.1 11.0 

12/8/2009 13:40 20.9 0.1 8.4 

12/8/2009 13:40 20.9 0.1 7.1 

12/8/200913:41 20.9 0.1 6.0 

12/8/200913:41 20.9 0.1 5.1 

12/8/2009 13:41 20.9 0.1 4.5 

Page 14 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes. Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 13:42 20.9 0.1 4.4 

12/8/2009 13:42 20.9 0.1 4.4 

12/8/2009 13:42 20.9 0.1 4.3 

12/8/2009 13:43 20.9 0.1 3.9 

12/8/2009 13:43 20.9 0.1 3.0 

12/8/2009 13:43 20.9 0.1 2.5 Drift Check 

12/8/2009 13:44 20.9 0.2 2.2 Drift Check 

12/8/2009 13:44 20.0 3.1 2.2 Drift Check 

12/8/2009 13:44 20.0 3.9 2.7 Drift Check 

12/8/2009 13:45 20.0 4.0 3.0 0220.0. C02 4.0 Drift Check 

12/8/2009 13:45 20.0 4.0 2.5 Drift Check 

12/8/2009 13:45 20.3 2.4 2.0 Drift Check 

12/8/2009 13:46 13.3 1.7 1.8 Drift Check 

12/8/2009 13:46 0.3 0.1 1.7 Drift Check 

12/8/2009 13:46 0.1 0.1 1.7 Drift Check 

12/8/200913:47 0.1 0.1 2.1 Drift Check 

12/8/200913:47 0.1 0.1 2.3 Drift Check 

12/8/2009 13:47 0.1 0.1 2.4 Drift Check 

12/8/2009 13:48 0.1 0.1 2.3 Drift Check 

12/8/2009 13:48 0.1 0.0 2.5 Drift Check 

12/8/2009 13:48 0.1 0.0 2.3 Drift Check 

12/8/2009 13:49 0.0 0.0 2.2 02. C02. S02 Zero Drift Check 

12/8/2009 13:49 0.0 0.0 2.2 Drift Check 

1218/2009 13:49 0.0 0.0 2.2 Drift Check 

12/8/2009 13:50 0.0 0.0 2.1 Drift Check 

12/8/2009 13:50 0.0 0.0 2.0 Drift Check 

12/8/2009 13:50 0.0 0.0 2.0 Drift Check 

12/8/2009 13:51 10.6 0.1 1.7 Drift Check 

12/8/2009 13:51 0.8 0.0 19.5 Drift Check 

12/8/2009 13:51 0.1 0.0 133.7 Drift Check 

12/8/2009 13:52 0.0 0.0 204.2 Drift Check 

12/8/2009 13:52 0.0 0.0 230.8 Drift Check 

12/8/2009 13:52 0.0 0.0 242.0 Drift Check 

12/8/2009 13:53 0.0 0.0 247.9 Drift Check 

12/8/2009 13:53 0.0 0.0 250.5 Drift Check 

12/8/2009 13:53 0.0 0.0 253.1 Drift Check 

12/8/2009 13:54 0.0 0.0 254.3 Drift Check 

12/8/2009 13:54 0.0 0.0 256.0 Drift Check 

12/8/2009 13:54 0.0 0.0 256.3 Drift Check 

12/8/2009 13:55 0.0 0.0 258.0 Drift Check 

12/8/2009 13:55 0.0 0.0 258.1 Drift Check 

12/8/2009 13:55 0.0 0.0 258.9 261.9 S02 Drift Check 

12/8/2009 13:56 4.7 0.1 256.7 Drift Check 

12/8/2009 13:56 20.4 0.1 160.3 

12/8/2009 13:56 20.8 0.1 63.2 

12/8/2009 13:57 20.9 0.1 33.2 

12/8/2009 13:57 20.9 0.1 22.0 

12/8/2009 13:57 20.9 0.1 16.4 

12/8/2009 13:58 20.9 0.1 12.6 

12/8/2009 13:58 20.9 0.1 10.0 

12/8/2009 13:58 20.9 0.1 8.3 

12/8/2009 13:59 20.9 0.1 7.0 

12/8/2009 13:59 20.9 0.1 6.2 

12/8/2009 13:59 20.9 0.1 5.3 

12/8/2009 14:00 20.9 0.1 5.1 

12/8/2009 14:00 20.9 0.1 4.4 

12/8/200914:00 20.9 0.1 4.1 

12/8/2009 14:01 20.9 0.1 3.7 

12/8/2009 14:01 20.9 0.1 3.4 

12/8/2009 14:01 20.9 0.1 3.0 

12/8/200914:02 20.9 0.1 2.9 

12/8/2009 14:02 20.9 0.1 2.5 

12/8/200914:02 20.9 0.1 2.4 

12/8/2009 14:03 20.9 0.1 2.1 

12/8/200914:03 20.9 0.1 2.0 

12/8/200914:03 20.9 0.1 1.8 

12/8/2009 14:04 20.9 0.1 1.7 

12/8/200914:04 20.9 0.1 1.7 

12/8/2009 14:04 20.9 0.1 1.6 

12/8/2009 14:05 20.9 0.1 1.4 

12/8/200914:05 20.9 0.1 1.4 

12/8/200914:05 20.9 0.1 1.4 

12/8/200914:06 20.9 0.1 1.3 

Page 150f21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 14:06 20.9 0.1 1.2 

12/8/2009 14:06 20.9 0.1 1.2 

12/8/2009 14:07 20.9 0.1 1.2 

12/8/2009 14:07 20.9 0.1 1.2 

12/8/2009 14:07 20.9 0.1 0.9 

12/8/2009 14:08 20.9 0.1 0.9 

12/8/2009 14:08 20.9 0.1 0.8 

12/8/2009 14:08 20.9 0.1 0.9 

12/8/2009 14:09 20.9 0.1 0.8 

12/8/200914:09 20.9 0.1 0.8 

12/8/2009 14:09 20.9 0.1 0.8 

12/8/200914:10 20.9 0.1 0.7 

12/8/200914:10 20.9 0.1 0.7 

12/8/200914:10 20.9 0.1 0.7 

12/8/200914:11 20.9 0.1 0.6 

12/8/2009 14:11 20.9 0.1 0.7 

12/8/200914:11 20.9 0.1 0.7 

12/8/200914:12 20.9 0.1 0.6 

12/8/200914:12 20.9 0.1 0.5 

12/8/200914:12 20.9 0.1 0.7 

12/8/200914:13 20.9 0.1 0.7 

12/8/200914:13 20.9 0.1 0.6 

12/8/200914:13 20.9 0.1 0.7 

12/8/200914:14 20.9 0.1 0.6 

12/8/200914:14 20.9 0.1 0.6 

12/8/200914:14 20.9 0.1 0.6 

12/8/2009 14:15 20.9 0.1 0.7 

12/8/200914:15 20.9 0.1 0.8 

12/8/200914:15 20.9 0.1 0.5 

12/8/200914:16 20.9 0.1 0.5 

12/8/200914:16 20.9 0.1 0.6 

12/8/200914:16 20.9 0.1 0.5 

12/8/2009 14: 17 19.5 1.0 5.5 In Stack 

12/8/2009 14:17 18.5 1.7 69.0 In Stack 

12/8/200914:17 18.5 1.7 118.2 In Stack 

12/8/200914:18 18.5 1.7 134.6 In Stack 

12/8/200914:18 18.5 1.7 141.0 In Stack 

12/8/200914:18 18.5 1.7 142.4 In Stack 

12/8/200914:19 18.5 1.7 144.7 In Stack 

12/8/2009 14:19 18.5 1.7 145.9 In Stack 

12/8/200914:19 18.5 1.7 145.4 In Stack 

12/8/2009 14:20 18.5 1.7 144.5 In Stack 

12/8/2009 14:20 18.5 1.7 145.3 In Stack 

12/8/2009 14:20 18.5 1.7 144.6 In Stack 

12/8/200914:21 18.5 1.7 144.7 In Stack 

12/8/2009 14 :21 18.5 1.7 143.0 In Stack 

12/8/2009 14:21 18.5 1.7 140.7 In Stack 

12/8/2009 14:22 18.5 1.7 140.0 In Stack 

12/8/200914:22 18.5 1.7 139.9 In Stack 

12/8/2009 14 :22 18.5 1.7 139.0 In Stack 

12/8/2009 14 :23 18.5 1.7 137.5 In Stack 

12/8/2009 14:23 18.5 1.7 136.7 In Stack 

12/8/200914:23 18.5 1.7 135.4 In Stack 

12/8/2009 14:24 18.5 1.7 134.1 In Stack 

12/8/200914:24 18.5 1.7 133.4 In Stack 

12/8/2009 14:24 18.5 1.7 133.0 In Stack 

12/8/2009 14:25 18.5 1.7 132.6 In Stack 

12/8/2009 14 :25 18.5 1.7 131.9 In Stack 

12/8/2009 14:25 18.5 1.7 131.8 In Stack 

12/8/200914:26 18.5 1.7 132.1 In Stack 

12/8/2009 14:26 18.5 1.7 132.0 In Stack 

12/8/2009 14:26 18.5 1.7 131.6 In Stack 

12/8/2009 14:27 18.5 1.7 131.6 In Stack 

12/8/2009 14 :27 18.5 1.7 132.0 In Stack 

12/8/200914:27 18.5 1.7 132.2 In Stack 

12/8/200914:28 18.5 1.7 132.3 Run 3 

12/8/200914:28 18.5 1.7 133.0 Run 3 

12/8/2009 14 :28 18.5 1.7 133.1 Run 3 

12/8/2009 14:29 18.5 1.7 134.6 Run 3 

1218/2009 14:29 18.5 1.7 136.5 Run 3 

12/8/200914:29 18.5 1.7 137.4 Run 3 

12/8/200914:30 18.5 1.7 137.9 Run 3 

12/8/200914:30 18.5 1.7 139.5 Run 3 

Page 16 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 14:30 18.5 1.7 141.8 Run 3 

12/8/200914:31 18.5 1.7 142.8 Run 3 

12/8/200914:31 18.5 1.7 142.8 Run 3 

12/8/2009 14:31 18.5 1.7 143.4 Run 3 

12/8/2009 14:32 18.5 1.7 144.0 Run 3 

12/8/2009 14:32 18.5 1.7 143.5 Run 3 

12/8/2009 14:32 18.5 1.7 142.4 Run 3 

12/8/2009 14:33 18.5 1.7 141.8 Run 3 

12/8/2009 14:33 18.5 1.7 142.1 Run 3 

12/8/2009 14:33 18.5 1.7 142.2 Run 3 

12/8/2009 14:34 18.5 1.7 142.0 Run 3 

12/8/2009 14:34 18.5 1.7 141.3 Run 3 

1218/2009 14:34 18.5 1.7 139.9 Run 3 

1218/2009 14:35 18.5 1.7 139.1 Run 3 

12/8/200914:35 18.5 1.7 139.1 Run 3 

12/8/200914:35 18.5 1.7 140.3 Run 3 

12/8/200914:36 18.5 1.7 141.8 Run 3 

12/8/200914:36 18.5 1.7 143.1 Run 3 

12/8/2009 14:36 18.5 1.7 143.7 Run 3 

12/8/2009 14:37 18.5 1.7 143.6 Run 3 

12/8/2009 14:37 18.5 1.7 144.0 Run 3 

12/8/2009 14:37 18.5 1.7 144.3 Run 3 

12/8/2009 14:38 18.5 1.7 144.5 Run 3 

12/8/2009 14:38 18.5 1.7 144.8 Run 3 

12/8/2009 14:38 18.5 1.7 144.1 Run 3 

12/8/2009 14:39 18.5 1.7 143.5 Run 3 

12/8/2009 14:39 18.5 1.7 143.6 Run 3 

12/8/2009 14:39 18.5 1.7 142.7 Run 3 

12/8/2009 14:40 18.5 1.7 142.1 Run 3 

12/8/2009 14:40 18.5 1.7 142.7 Run 3 

12/8/2009 14:40 18.5 1.7 142.5 Run 3 

12/8/200914:41 18.5 1.7 141.6 Run 3 

12/8/200914:41 18.5 1.7 140.9 Run 3 

12/8/2009 14:41 18.5 1.7 140.8 Run 3 

12/8/2009 14:42 18.5 1.7 140.4 Run 3 

12/8/2009 14:42 18.5 1.7 140.4 Run 3 

12/8/200914:42 18.5 1.7 140.4 Run 3 

12/8/2009 14:43 18.5 1.7 140.2 Run 3 

12/8/2009 14:43 18.5 1.7 140.3 Run 3 

12/8/2009 14:43 18.5 1.7 141.1 Run 3 

12/8/2009 14:44 18.5 1.7 141.2 Run 3 

12/8/2009 14:44 18.5 1.7 140.7 Run 3 

12/8/2009 14:44 18.5 1.7 139.6 Run 3 

12/8/2009 14:45 18.5 1.7 139.1 Run 3 

12/8/2009 14:45 18.5 1.7 138.9 Run 3 

12/8/2009 14:45 18.5 1.7 138.1 Run 3 

12/8/2009 14:46 18.4 1.7 137.9 Run 3 

12/8/200914:46 18.4 1.7 138.7 Run 3 

12/8/200914:46 18.4 1.7 139.7 Run 3 

12/8/200914:47 18.4 1.7 141.1 Run 3 

12/8/200914:47 18.4 1.7 142.1 Run 3 

12/8/200914:47 18.5 1.7 142.2 Run 3 

12/8/2009 14:48 18.4 1.7 141.7 Run 3 

12/8/200914:48 18.4 1.7 142.5 Run 3 

12/8/200914:48 18.4 1.7 144.0 Run 3 

12/8/2009 14:49 18.4 1.7 145.2 Run 3 

12/8/2009 14:49 18.4 1.7 145.3 Run 3 

12/8/2009 14:49 18.4 1.7 144.2 Run 3 

12/8/2009 14:50 18.4 1.7 143.4 Run 3 

12/8/2009 14:50 18.4 1.7 142.8 Run 3 

12/8/2009 14:50 18.4 1.7 142.0 Run 3 

12/8/200914:51 18.4 1.8 141.0 Run 3 

12/8/200914:51 18.4 1.8 141.0 Run 3 

12/8/2009 14:51 18.4 1.7 142.4 Run 3 

12/8/2009 14:52 18.4 1.8 144.0 Run 3 

12/8/200914:52 18.4 1.7 145.2 Run 3 

12/8/2009 14:52 18.4 1.7 146.6 Run 3 

12/8/2009 14:53 18.4 1.7 147.2 Run 3 

12/8/200914:53 18.4 1.7 147.7 Run 3 

12/8/2009 14:53 18.4 1.7 147.5 Run 3 

12/8/2009 14:54 18.4 1.7 146.7 Run 3 

12/8/200914:54 18.4 1.7 146.2 Run 3 

12/8/2009 14:54 18.4 1.7 145.5 Run 3 

Page 17 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 14:55 18.4 1.7 144.7 Run 3 

12/8/2009 14:55 18.4 1.7 144.5 Run 3 

12/8/2009 14:55 18.4 1.7 144.3 Run 3 

12/8/2009 14:56 18.4 1.7 144.9 Run 3 

12/8/2009 14:56 18.4 1.7 145.6 Run 3 

12/8/2009 14:56 18.4 1.7 145.0 Run 3 

12/8/2009 14:57 18.4 1.7 143.9 Run 3 

12/8/2009 14:57 18.4 1.7 144.3 Run 3 

12/8/2009 14:57 18.4 1.7 145.1 Run 3 

12/8/200914:58 18.4 1.7 145.9 Run 3 

12/8/2009 14:58 18.4 1.7 146.8 Run 3 

12/8/200914:58 18.4 1.7 147.7 Run 3 

12/8/200914:59 18.4 1.7 148.6 Run 3 

12/8/2009 14:59 18.4 1.7 149.0 Run 3 

12/8/2009 14:59 18.4 1.7 149.3 Run 3 

12/8/2009 15:00 18.4 1.7 150.7 Run 3 

12/8/2009 15:00 18.4 1.7 152.3 Run 3 

12/8/2009 15:00 18.4 1.7 153.2 Run 3 

12/8/2009 15:01 18.4 1.7 153.4 Run 3 

12/8/2009 15:01 18.4 1.7 154.5 Run 3 

12/8/2009 15:01 18.4 1.8 155.8 Run 3 

12/8/2009 15:02 18.4 1.7 157.7 Run 3 

12/8/2009 15:02 18.4 1.7 158.3 Run 3 

1218/2009 15:02 18.4 1.8 157.6 Run 3 

12/8/2009 15:03 18.4 1.8 158.1 Run 3 

12/8/2009 15:03 18.4 1.8 159.2 Run 3 

12/8/2009 15:03 18.4 1.8 159.3 Run 3 

12/8/2009 15:04 18.4 1.8 159.9 Run 3 

12/8/2009 15:04 18.4 1.7 161.5 Run 3 

12/8/2009 15:04 18.4 1.7 162.4 Run 3 

12/8/2009 15:05 18.4 1.7 162.1 Run 3 

12/8/2009 15:05 18.4 1.8 161.8 Run 3 

12/8/2009 15:05 18.4 1.7 161.8 Run 3 

12/8/2009 15:06 18.4 1.8 160.8 Run 3 

12/8/2009 15:06 18.4 1.8 159.8 Run 3 

12/8/2009 15:06 18.4 1.8 159.7 Run 3 

12/8/2009 15:07 18.4 1.8 159.6 Run 3 

12/8/2009 15:07 18.4 1.8 159.7 Run 3 

12/8/2009 15:07 18.4 1.8 160.0 Run 3 

12/8/2009 15:08 18.4 1.8 160.2 Run 3 

12/8/2009 15:08 18.4 1.7 160.3 Run 3 

12/8/2009 15:08 18.4 1.8 160.6 Run 3 

12/8/2009 15:09 18.4 1.8 161.0 Run 3 

12/8/2009 15:09 18.4 1.7 161.4 Run 3 

12/8/2009 15:09 18.4 1.7 160.5 Run 3 

12/8/2009 15:10 18.4 1.7 158.9 Run 3 

12/8/2009 15:10 18.4 1.7 158.8 Run 3 

12/8/2009 15:10 18.4 1.7 158.9 Run 3 

12/8/2009 15:11 18.4 1.7 158.5 Run 3 

12/8/2009 15:11 18.4 1.7 158.2 Run 3 

12/8/2009 15:11 18.4 1.7 158.0 Run 3 

12/8/2009 15:12 18.4 1.7 157.6 Run 3 

12/8/2009 15:12 18.4 1.7 157.6 Run 3 

12/8/2009 15:12 18.4 1.7 157.6 Run 3 

12/8/2009 15:13 18.4 1.7 157.1 Run 3 

12/8/2009 15:13 18.4 1.7 156.1 Run 3 

12/8/2009 15:13 18.4 1.7 155.9 Run 3 

12/8/200915:14 18.4 1.7 155.2 Run 3 

12/8/200915:14 18.4 1.8 154.3 Run 3 

12/8/200915:14 18.4 1.7 153.9 Run 3 

12/8/2009 15:15 20.3 0.5 136.8 Run 3 

12/8/200915:15 20.9 0.1 65.6 Run 3 

12/8/200915:15 20.9 0.1 30.5 Run 3 

12/8/200915:16 20.8 0.2 17.9 Run 3 

12/8/200915:16 18.6 1.6 34.3 Run 3 

12/8/200915:16 18.4 1.7 97.4 Run 3 

12/8/200915:17 18.4 1.7 125.8 Run 3 

12/8/200915:17 18.4 1.7 136.1 Run 3 

12/8/200915:17 18.4 1.8 140.9 Run 3 

12/8/2009 15:18 18.4 1.7 142.0 Run 3 

12/8/200915:18 18.4 1.7 142.9 Run 3 

12/8/200915:18 18.4 1.8 144.2 Run 3 

12/8/2009 15:19 18.4 1.8 145.1 Run 3 

Page 18of21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes, Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/200915:19 18.4 1.8 144.5 Run 3 

12/8/2009 15:19 18.4 1.8 145.2 Run 3 

12/8/2009 15:20 18.4 1.8 145.0 Run 3 

12/8/2009 15:20 18.4 1.8 145.4 Run 3 

12/8/2009 15:20 18.4 1.8 145.5 Run 3 

1218/2009 15:21 18.4 1.8 145.3 Run 3 

12/8/200915:21 18.4 1.8 146.3 Run 3 

12/8/200915:21 18.4 1.8 147.5 Run 3 

1218/2009 15:22 18.4 1.8 148.1 Run 3 

12/8/2009 15:22 18.4 1.8 149.6 Run 3 

12/8/2009 15:22 18.4 1.8 151.7 Run 3 

12/8/2009 15:23 18.4 1.8 152.2 Run 3 

12/8/2009 15:23 18.3 1.8 152.5 Run 3 

12/8/2009 15:23 18.4 1.8 153.2 Run 3 

12/8/2009 15:24 18.3 1.8 153.5 Run 3 

12/8/2009 15:24 18.3 1.8 154.4 Run 3 

12/8/2009 15:24 18.3 1.8 155.3 Run 3 

12/8/2009 15:25 18.4 1.8 155.3 Run 3 

12/8/2009 15:25 18.4 1.8 154.8 Run 3 

12/8/2009 15:25 18.4 1.8 154.6 Run 3 

12/8/2009 15:26 18.4 1.8 154.6 Run 3 

12/8/2009 15:26 18.4 1.8 154.3 Run 3 

12/8/2009 15:26 18.4 1.7 154.1 Run 3 

12/8/2009 15:27 18.4 1.8 153.4 Run 3 

12/8/2009 15:27 18.4 1.7 152.4 Run 3 

12/8/2009 15:27 18.4 1.8 151.1 Run 3 

12/8/2009 15:28 18.4 1.8 150.2 Run 3 

12/8/2009 15:28 18.4 1.8 149.4 Run 3 

12/8/2009 15:28 18.4 1.8 148.1 Run 3 

12/8/2009 15 :29 18.4 1.8 147.9 Run 3 

12/8/2009 15:29 18.4 1.8 149.6 Run 3 

12/8/2009 15:29 18.4 1.8 150.6 Run 3 

12/8/2009 15:30 18.4 1.8 151.1 Run 3 

12/8/2009 15:30 18.4 1.8 152.1 Run 3 

12/8/2009 15:30 18.4 1.8 153.4 Run 3 

12/8/200915:31 18.4 1.7 155.3 Run 3 

12/8/200915:31 18.4 1.7 156.7 Run 3 

12/8/200915:31 18.4 1.7 155.9 Run 3 

12/8/2009 15:32 18.4 1.7 154.2 Run 3 

12/8/2009 15:32 18.4 1.7 152.8 Run 3 

12/8/2009 15:32 18.4 1.7 151.5 Run 3 

12/8/2009 15:33 18.4 1.7 150.6 Run 3 

12/8/2009 15:33 18.4 1.7 149.7 Run 3 

12/8/2009 15:33 18.4 1.8 149.6 Run 3 

12/8/2009 15:34 18.4 1.7 150.7 Run 3 

12/8/2009 15:34 18.4 1.7 151.3 Run 3 

12/8/2009 15:34 18.4 1.8 151.1 Run 3 

12/8/2009 15:35 18.4 1.7 150.8 Run 3 

12/8/2009 15:35 18.4 1.8 150.5 Run 3 

12/8/2009 15:35 18.4 1.7 150.2 Run 3 

12/8/2009 15:36 18.4 1.7 149.9 Run 3 

12/8/2009 15:36 18.4 1.7 149.3 Run 3 

12/8/2009 15:36 18.4 1.7 148.2 Run 3 

12/8/2009 15:37 18.4 1.7 146.7 Run 3 

12/8/2009 15:37 18.4 1.7 145.9 Run 3 

12/8/2009 15:37 18.4 1.7 145.5 Run 3 

12/8/2009 15:38 18.4 1.7 145.2 Run 3 

12/8/2009 15:38 18.4 1.8 145.1 Run 3 

12/8/2009 15:38 18.4 1.8 145.3 Run 3 

12/8/2009 15:39 18.4 1.8 145.5 Run 3 

12/8/2009 15:39 18.4 1.7 145.9 Run 3 

12/8/2009 15:39 18.4 1.7 145.6 Run 3 

12/8/2009 15:40 18.4 1.7 145.4 Run 3 

12/8/2009 15:40 18.4 1.7 146.1 Run 3 

12/8/2009 15:40 18.4 1.7 146.7 Run 3 

12/8/2009 15:41 18.4 1.7 146.5 Run 3 

12/8/2009 15:41 18.4 1.7 145.4 Run 3 

12/8/2009 15:41 18.4 1.7 144.2 Run 3 

12/8/2009 15:42 18.4 1.7 143.9 Run 3 

12/8/2009 15:42 18.4 1.7 143.9 Run 3 

12/8/2009 15:42 18.4 1.7 143.9 Run 3 

12/8/2009 15:43 18.4 1.7 143.3 Run 3 

12/8/2009 15:43 18.4 1.7 141.9 Run 3 

Page 19 of 21 
Cliffs Natural Resources Inc Reference Method Data Barr Engineering 

United Taconite Data Logger Output Sampled on 12-8-09 

Forbes. Minnesota 

Line 2B WGS (SV049) 

TIMESTAMP 02_Avg C02_Avg S02_Avg 

TS Percent Percent PPM 

12/8/2009 15:43 18.4 1.7 141.1 Run 3 

12/8/2009 15:44 18.4 1.7 141.4 Run 3 

12/8/2009 15:44 18.4 1.7 141.1 Run 3 

12/8/2009 15:44 18.4 1.7 139.7 Run 3 

12/8/2009 15 :45 18.4 1.7 137.7 Run 3 

12/8/2009 15:45 18.4 1.7 137.2 Run 3 

12/8/2009 15:45 18.4 1.7 138.1 Run 3 

12/8/2009 15:46 18.4 1.7 139.1 Run 3 

12/8/2009 15:46 18.4 1.7 139.9 Run 3 

12/8/2009 15:46 18.4 1.7 140.6 Run 3 

12/8/200915:47 18.4 1.7 141.6 Run 3 

12/8/200915:47 18.4 1.7 143.5 Run 3 

12/8/200915:47 18.4 1.7 145.6 Run 3 

12/8/2009 15:48 18.4 1.7 146.8 Run 3 

12/8/2009 15:48 18.4 1.7 147.4 Run 3 

12/8/2009 15:48 18.4 1.8 147.8 Run 3 

12/8/2009 15:49 18.4 1.8 148.7 Run 3 

12/8/2009 15:49 18.4 1.8 149.4 Run 3 

12/8/2009 15:49 18.4 1.8 149.4 Run 3 

12/8/2009 15:50 18.4 1.8 150.1 Run 3 

12/8/2009 15:50 18.4 1.8 151.2 Run 3 

12/8/2009 15:50 18.4 1.7 152.3 Run 3 

12/8/200915:51 18.4 1.8 153.6 Run 3 

12/8/2009 15:51 18.4 1.7 156.3 Run 3 

12/8/2009 15:51 18.4 1.8 157.5 Run 3 

12/8/2009 15:52 18.4 1.7 158.4 Run 3 

12/8/2009 15:52 18.4 1.7 159.1 Run 3 

12/8/2009 15:52 18.4 1.8 158.0 Run 3 

12/8/200915:53 18.4 1.8 158.1 Run 3 

12/8/2009 15:53 18.4 1.8 158.2 Run 3 

12/8/2009 15:53 18.4 1.8 158.3 Run 3 

12/8/2009 15:54 18.4 1.8 159.1 Run 3 

12/8/2009 15:54 18.3 1.8 160.1 Run 3 

12/8/2009 15:54 18.3 1.8 160.9 Run 3 

12/8/2009 15:55 18.3 1.8 162.1 

12/8/2009 15:55 14.7 2.5 158.5 Drift Check 

12/8/2009 15:55 19.9 3.9 87.9 Drift Check 

12/8/2009 15:56 19.9 4.0 37.7 Drift Check 

12/8/2009 15:56 19.9 4.0 20.5 Drift Check 

12/8/2009 15:56 19.9 4.0 13.4 Drift Check 

12/8/2009 15:57 19.9 4.0 9.8 02 20.0. C02 4.0 Drift Check 

12/8/2009 15:57 19.9 4.0 7.8 Drift Check 

12/8/2009 15:57 19.8 3.7 6.5 Drift Check 

12/8/2009 15:58 15.9 2.4 30.0 Drift Check 

12/8/2009 15:58 0.7 0.2 34.8 Drift Check 

12/8/2009 15:58 0.1 0.1 17.1 Drift Check 

12/8/2009 15:59 0.1 0.1 9.9 Drift Check 

12/8/2009 15:59 0.1 0.1 7.5 Drift Check 

12/8/2009 15:59 0.1 0.1 6.3 Drift Check 

12/8/2009 16:00 0.1 0.1 5.6 Drift Check 

12/8/2009 16:00 0.1 0.1 4.9 Drift Check 

12/8/2009 16:00 0.0 0.1 4.5 Drift Check 

12/8/2009 16:01 0.0 0.1 4.3 02. C02. S02 Zero Drift Check 

12/8/2009 16:01 6.4 0.7 5.2 Drift Check 

12/8/2009 16:01 2.6 0.3 44.5 Drift Check 

12/8/2009 16:02 0.1 0.1 143.7 Drift Check 

12/8/2009 16:02 0.0 0.1 215.4 Drift Check 

12/8/2009 16:02 0.0 0.1 240.5 Drift Check 

12/8/2009 16:03 0.0 0.1 248.6 Drift Check 

12/8/2009 16:03 0.0 0.1 250.9 Drift Check 

12/8/2009 16:03 0.0 0.1 252.5 Drift Check 

12/8/2009 16:04 0.0 0.1 253.0 Drift Check 

12/8/2009 16:04 0.0 0.1 253.6 Drift Check 

12/8/2009 16:04 0.0 0.1 254.1 Drift Check 

12/8/2009 16:05 0.0 0.1 255.5 Drift Check 

12/8/2009 16:05 0.0 0.1 255.8 Drift Check 

12/8/2009 16:05 0.0 0.1 255.9 Drift Check 

12/8/2009 16:06 0.0 0.1 256.6 Drift Check 

12/8/2009 16:06 0.0 0.1 257.9 Drift Check 

12/8/2009 16:06 0.0 0.1 258.8 Drift Check 

12/8/2009 16:07 0.0 0.1 259.9 Drift Check 

12/8/2009 16:07 0.0 0.1 259.9 Drift Check 

12/8/2009 16:07 0.0 0.1 260.3 261.9 S02 Drift Check 

Page 20 of 21 
Cliffs Natural Resources Inc 

United Taconite 

Forbes, Minnesota 

TS 

TIMESTAMP 

12/8/2009 16:08 

12/8/2009 16:08 

12/8/2009 16:08 

1218/2009 16:09 

12/8/2009 16:09 

12/8/2009 16:09 

12/8/200916:10 

12/8/200916:10 

12/8/200916:10 

12/8/200916:11 

02_Avg 

Percent 

0.0 

9.9 

2.0 

0.1 

0.0 

0.0 

0.0 

0.0 

0.0 

0.0 

Reference Method Data 

Data Logger Output 

Line 2B WGS (SV049) 

C02_Avg S02_Avg 

Percent PPM 

0.1 261.1 

1.0 262.5 

0.2 240.7 

0.1 122.2 

0.1 48.8 

0.1 25.6 

0.1 16.5 

0.1 12.6 

0.1 10.0 

0.1 8.7 

Page 21 of 21 

Drift Check 

Drift Check 

Drift Check 

Drift Check 

Drift Check 

Drift Check 

Drift Check 

Drift Check 

Barr Engineering 

Sampled on 12-8-09 
Appendix E 

Calibration Data 
Project 

Sample Loc. 

Date 

Operators 

Title V Compliance 

ine 2A Waste Gas Stack (SV048) 

12/10/2009 ---T=A-:-:-Kl~D=-J KlTYL 

Analyzer Model / SN 

Analyzer Range (span) 

CAl Model 200 

20.0 % 

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 9.0 

HiRh-range: 20.0 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas XC024800B 

Mid-range CC28340 

High-range CC86018 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

9.0 0.0 0.00% 

20.0 0.0 0.00% 

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 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 0.50% 0.1 0.50% 

Upscale Gas 20.0 20.0 0.00% 20.0 0.00% 

TEST RUN 2 

Zero Gas 0.0 0.1 0.50% 0.1 0.50% 

Upscale Gas 20.0 20.0 0.00% 19.9 -0.50% 

TEST RUN 3 

Zero Gas 0.0 0.1 0.50% 0.1 0.50% 

Upscale Gas 20.0 19.9 -0.50% 20.0 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 

0.00% 

0.00% 

0.00% 

-0.50% 

0.00% 

0.50% 

Certified Value 

0.0 

9.0 

20.0 

02 
Project 

Sample Loc. 

Date 

Operators 

Title V Compliance 

ine 2A Waste Gas Stack (SV048) 

12/10/2009 

---T--A-'-K/"'""D'-J K/TYL 

Analyzer Modell SN 

Analyzer Range (span) 

CAl Model 200 

9.0 % 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +1- 2 percent of span 

Cylinder 

Test Runs: _1_ - ~ Value 

Zero Gas 0.0 

Mid-range 4.0 

High-range: 9.0 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas XC024800B 

Mid-range CC86018 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

4.0 0.0 0.00% 

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 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 4.0 4.0 0.00% 4.0 0.00% 

TEST RUN 2 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 4.0 4.0 0.00% 4.0 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 4.0 4.0 0.00% 3.9 -1.11 % 

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% 

0.00% 

0.00% 

0.00% 

0.00% 

-1.11 % 

Certified Value 

0.0 

4.0 

9.0 

C02 
Project 

Sample Lac. 

Date 

Operators 

Title V Compliance 

ine 2A Waste Gas Stack (SV048) 

__ -=-:-:12-:-:/1~0/2009 

TAKlDJ K1TYL 

Analyzer Model / SN 

Analyzer Range (span) 

API Model 100AH 

479.0 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 261.9 

High-range: 479.0 

Upper - range: 96.5 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C 

ANALYZER CALIBRATION 

(502) 

Cylinder 

Serial No. 

Zero Gas XC024800B 

Mid-range CC74126 

High-range CC12700 

Upper-range CC62345 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.6 0.6 0.13% 

263.6 1.7 0.35% 

478.0 1.0 0.21% 

95.0 1.5 0.31% 

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 System Cal 

Response, Response, Cal. Bias Response, Cal. Bias 

TEST RUN 1 PPM PPM % of Span PPM % of Span 

Zero Gas 0.6 2.7 0.44% 4.5 0.81% 

Upscale Gas 263.6 260.6 -0.63% 260.0 -0.75% 

TEST RUN 2 

Zero Gas 0.6 4.5 0.81% 4.2 0.75% 

Upscale Gas 263.6 260.0 -0.75% 261.2 -0.50% 

TEST RUN 3 

Zero Gas 0.6 4.2 0.75% 2.4 0.38% 

Upscale Gas 263.6 261.2 -0.50% 261.4 -0.46% 

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 

0.38% 

-0.13% 

-0.06% 

0.25% 

-0.38% 

0.04% 

Certified Value 

0.0 

261.9 

479.0 

96.5 

502 
BARR 

Project 

Sample Lac. 

Date 

Operators 

Compliance Testing 

Line 2B Waste Gas Stack 

12/8/2009 -----:T~A:-:-KJ-:-:=-DJ KJTYL 

Analyzer Modell SN 

Analyzer Range (span) 

CAl Model 200 

20.0 o· 

/0 

ANALYZER CALIBRATION DATA 

f\jote: Difference must be less than +1- 2 percent of span 

Test Runs 1 __ ~, -_0_ 

Zero Gas 

Mid-range 

High-range: 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

Cylinder 

Value 

0.0 

9.0 

20.0 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(Oxygen) 

Cylinder 

Serial No. 

Zero Gas XC024800B 

Mid-range CC28340 

High-range CC86018 

Analyzer Absolute Difference. 

Calibration Difference '}o of Span 

Response 

0.0 0.0 O.OO,}" 

9.0 0.0 0.00% 

20.0 0.0 0.00% 

Note: System Cal bias cannot exceed +/- 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 0.1 0.50% 0.1 0.50% 

Upscale Gas 20.0 20.0 0.00% 20.0 0.00% 

TEST RUN 2 

Zero Gas 0.0 0.1 0.50% 0.0 0.00% 

Upscale Gas 20.0 20.0 0.00% 20.0 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 20.0 20.0 0.00% 19.9 -0.50% 

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 

0.00% 

0.00% 

-0.50% 

0.00% 

0.00% 

-0.50% 

Certified Value 

0.0 

9.0 

20.0 

02 
BARR 

Project 

Sample Loc. 

Date 

Operators 

Compliance Testing 

Line 2B Waste Gas Stack 

12/8/2009 

-----:T:::-A:-:"K"'"'/-::-DJ KlTYL 

Analyzer Modell SN 

Analyzer Range (span) 

CAl Model 200 

9.0 D' /0 

ANALYZER CALIBRATION DATA 

Note: Difference must be less than +/- 2 percent of span 

Cylinder 

Test Runs: 1 - ,.., Value 2 

Zero Gas 0.0 

Mid-range 4.0 

High-range: 9.0 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 3A 

ANALYZER CALIBRATION 

(C02) 

Cylinder 

Serial No. 

Zero Gas XC024800B 

Mid-range CC86018 

High-range CC28340 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.0 0.0 0.00% 

4.0 0.0 O,OO'?~ 

8.9 0,1 1.11 % 

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 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 4.0 4.0 0.00% 4.0 0.00% 

TEST RUN 2 

Zero Gas 0.0 0.0 0.00% 0.0 0.00% 

Upscale Gas 4.0 4.0 0.00% 4.0 0.00% 

TEST RUN 3 

Zero Gas 0.0 0.0 0.00% 0.1 1.11 % 

Upscale Gas 4.0 4.0 0.00% 4.0 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 

O.OOD/O 

0.00% 

0.00% 

0.00% 

1.11% 

0.00% 

Certified Value 

0.0 

4.0 

9.0 

C02 
BARR 

Project 

Sample Loc. 

Date 

Operators 

Compliance Testing 

ine 2B Waste Gas Stack (SV049) 

12/8/2009 -----::T::-:A~KI-:-::D=-J KlTYL 

Analyzer Modell SN 

Analyzer Range (span) 

API Model 100AH 

479.0 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 261.9 

High-range: 479.0 

Upper - range: 96.5 

SYSTEM CALIBRATION BIAS AND DRIFT DATA: 

EPA METHOD 6C 

ANALYZER CALIBRATION 

(502) 

Cylinder 

Serial No. 

Zero Gas XC024800B 

Mid-range CC74126 

High-range CC12700 

Upper-range CC62345 

Analyzer Absolute Difference, 

Calibration Difference % of Span 

Response 

0.6 0.6 0.13% 

266.0 4.1 0.86% 

478.0 1.0 0.21% 

96.2 0.3 0.06% 

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 0.6 4.1 0.73% 3.5 0.61% 

Upscale Gas 266.0 255.2 -2.25% 259.8 -1.29% 

TEST RUN 2 

Zero Gas 0.6 3.5 0.61% 2.2 0.33% 

Upscale Gas 266.0 259.8 -1.29% 258.9 -1.48% 

TEST RUN 3 

Zero Gas 0.6 2.2 0.33% 4.3 0.77% 

Upscale Gas 266.0 258.9 -1.48% 260.3 -1.19% 

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 

-0.13% 

0.96% 

-0.27% 

-0.19% 

0.44% 

0.29% 

Certified Value 

0.0 

261.9 

479.0 

96.5 

502 
Routine Dry Gas Meter Calibration 

Control Module: C-1 Leak checks 

Date: 12/04/09 Negative-- BARR Technician: MDM3 Positive--

ok 

ok 

Orifice Wet Test Dry Gas Meter Wet I est Dry Gas 

Diff Volume, Temp, of Meter Volume 

Pressure H Ft' Inlet Outlet Temp. of Ft3 

Nominal Iinitial Initial Initial Initial Initial 

0.500 5522.00 72.0 71.0 74.0 736.840 

Actual Final Final Final Final Final 

5527.00 72.0 72.0 74.0 741.845 

0.50 Total I Average Average Average Total 

5.00 72.0 71.5 74.0 5.005 

71.8 

Nominal Initial Initial Initial Initial Initial 

1.000 5514.00 72.0 71.0 75.0 728.830 

Actual Final Final Final Final Final 

5521.00 72.0 71.0 74.0 735.835 

1.00 Total Average Average Average Total 

7.00 72.0 71.0 74.5 7.005 

71.5 Tm 

Nominal Initial Initial Initial Initial Initial 

2.000 5508.00 71.0 71.0 75.0 722.825 

Actual !Final Final Final Final Final I 

5513.00 72.0 71.0 75.0 727.830 

2.00 Total Average Average Average IT( tI 

5.00 71.5 71.0 75.0 5.005 

71.3 Tm 

['.lominal Initial I Initial Initial Initial Initial 

3.000 5528.00 I 72.0 72.0 74.0 742.845 

Actual Final Final I Final Final Final 

5540.00 74.0 73.0 73.5 754.875 

3.00 Total Average Average Average Total 

12.00 73.0 72.5 73.8 12.030 

72.8 Tm 

Nominal Initial Initial Initial Initial Initial 

4.000 5543.00 74.0 72.0 73.5 757.890 

Actual Final Final Final Final Final 

5555.00 74.0 73.0 75.0 769.955 

4.00 Total Average Average Average Total 

12.00 74.0 72.5 , 74.3 12.065 

73.3 Tm 

Control Module 1 

Barometric Press. --

>5 W.C. Previous Y --

>15 in.Hg Previous Delta H --

Elapsed Meter 

Time of Coefficient 

Cal. Point Y 

Minutes SEC 

I? 32.03 

Minutes 

12.53 0.9935 

Minutes SEC 

12.0 33.92 

12.57 0.9912 

Minutes SEC 

6 28.13 

6.47 0.9870 

Minutes I SEC 

12.0 38.56 

12.64 0.9882 

Minutes SEC 

11.0 4.54 

11.08 0.9829 

Average 0.9886 

29.22 

0.9907 

1.9199 

Orifice 

Coefficien 

dH@ 

1.8288 

1.8808 

1.9576 

1.9327 

1.9815 

1.9163 
Cliffs Natural Resources Inc. 

United Taconite. LLC 

Forbes, Minnesota 

Barr Engineering Co. 

Emission Measurement Center (EMC) Approved Alternate Method (AL T -009) 

Alternative Method 5 Post-Test Calibration 

TEST 1 

Line 1 Pellet Cooler Exhaust (SV047) 

Input Data Symbol Units Run 1 Run 2 

Tesl date 12/16/2009 12.'16/2009 

Test period 819 - 933 1019 - 1126 

Total run time min 60 60 

, otal sample volume measured by dry gas meter v'" acf 33.1 33.0 

Absolute average dry gas meter temp OF 36.8 43.5 

Absolute average dry gas meter temp . '"" 496.5 503.1 

Barometric pressure inches Hg 29.0 29.0 

Conversion factor (29.92/528)(0.75)2 (in Hg' 'R) clm" 0.0319 0.0319 

Average orifice meter differential 1.06 • 

1.05 

Orifice meter calibration coefficient 1.92 1.92 

Dry molecular weight of stack gas Ib/lb-mole 28.84 28.84 

Dry molecular weight of air Ib/lb-mole 29.00 29.00 

Spe~iiic gravity 0; mercury Dimensionless 13.60 13.60 

Dry gas meter calibration check value Dimensionless 1.0006 1.0042 

Dry gas meter calibration factor y Dimensionless 0.9886 0.9886 

January 20. 2010 

Run 3 

12/16/2009 

1156 - 1302 

60 

32.3 

49.0 

29.0 

0.0319 

1.00 

1.92 

28.84 

29.00 

13.60 

1.0074 

0.9886 

Average of Yq,'s from test run series 1.0041 . 

Dry gas meter calibration factor 0.9886 Y = _t_ / __ 0_._0_3_1_9_._T';:11c...: ___ 2_9_ e (-1 Ilh a v." ) :== r:o-:-' -'-d::"·ff':-----b'-"-'t=.:==.:..:.::.='-Y-, --d-Y----i-..::.:.::;;:.;:-=-+---4 qc \I,,: ' A I. /1,1 ", /e I erence e ween average qa S an -1.57% \'!lJJ ( P , U,1I, " 

(must be within + 5%) - : rs;. Ii' 1_~).6 
Cliffs Natural Resources Inc. 

United Taconite, LLC. 

Forbes, Minnesota 

Barr Engineering Co. 

Emission Measurement Center (EMC) Approved Alternate Method (ALT-009) 

Alternative Method 5 Post-Test Calibraiion 

TEST 1 

Line 2A Waste Gas Stack (SV048) 

Inout Data Symbol Units Run 1 Run 2 

Test date - 12/10/2009 ! 12/10/2009 

Test period - - 1102-1209 1239 - 1345 

ITotal run time t min 60 ! 60 

Total sample volume measured by dry gas meter Vm act 38.6 39.0 

Absolute average dry gas meier iemp Tm cF 45.4 ! 47.3 

Absolute average dry gas meter temp Tm , OR 505.0 : 507.0 

Barometric pressure , Po inches Hg 28.3 ! 28.3 

Conversion factor (29.921528)(0.75)2 --- ; (in Hg!'R) c!m2 ; 0.0319 ! 0.0319 

.l\verage orifice meter differential iI h.'9 in. H2O 1.40 1.44 

Orifice meter calibration coefficient 6 H" in. H2O : 1.92 i 1.92 

Dry mOlecular weight of stack gas Me Ib/lb-mole 29.04 29.04 

. 

Dry molecular weight of air --- Ib/lb-mole 29.00 29.00 

Specific gravity of mercury --- Dimensionless, 13.60 13.60 

IDry gas meter calibration check value Yqa Dimensionless 1.0000 1.0069 

Dry gas meter calibration factor Y Dimensionless 0.9886 0.9886 

: 

Average of Y qo's from test run series 1.0022 

r-D_ry"-"'g_as_m_e_te_r_c;..:a""li __ b__ ra __ ti..:.o:..:n""fa"'c:..:to;:..;r _______ -+ __ 0._9 __ 8_8_6 -1,..----1Ync 

% difference between average Yqo'S and Y -1.37% 

(must be within ... 5%) 

January 20.2010 

Run 3 

12/10/2009 

1413 - 1519 

60 

39.1 

49.2 

508.8 

28.3 

0.0319 

, 1.43 

1.92 

29.04 

29.00 

13.60 

0.9995 

0.9886 
Cliffs Natural Resources Inc. 

United Taconite, LLC 

Forbes, Minnesota 

Barr ::ngineering Co. 

::mission Measurement Center (EMC) Approved Allernate Method (ALT-009) 

Alternative Method 5 Post-Test Calibration 

TEST 1 

Line 2B Waste Gas Slack (SV049) 

Input Data Symbol Units Run 1 Run 2 

ITest date 12/8/2009 12/8/2009 

Test period - 1043 - 1153 1228 - 1336 

Total run time t min 60 60 

Total sample volume measured by dry gas meter Vrn acf 38.3 38.4 

Absolute average dry gas meter temp i". of ; 71.5 55.3 

Absolute average dry gas meter temp I'm oR 531.2 515.0 

Barometric pressure P, inches Hg i 28.9 28.9 

Conversion factor (29.92628)(0.75)2 --- (in HgI'R) cfm2 0.0319 0.0319 

Average orifice meter differential " ha·.'~ in. H2O 1.35 1.38 

Orifice meter calibration coefficient ::; H", in. H2O 1.92 1.92 

Dry molecular weight of stacf'. gas Me Ib/lb-mole 29.00 29.01 

Dry molecular weight 0; air --- Ib/lb-mole 29.00 29.00 

Spe:::ific gravity of mercury --- Dimensionless 13.60 13.60 

Dry gas meter calibration check value Yea Dimensionless 1.0080 0.9979 

Dry gas meter calibration factor Y , Dimensionless 0.9886 0.9886 

January 20, 2010 

Run 3 

12/8/2009 

1428 - 1553 

60 

38.5 

53.5 

513.1 

28.9 

0.0319 

1.39 

1.92 

29.01 

29.00 

13.60 

0.9980 

0.9886 

Average of Yq;S from test run series 1.0015 I 

t 0.0319 . Till 29 . i.' . c-- f"D::..;I)..I..'-,gl.:ia=s:..:m.:..:.:::.et:..:e:..:r.:::c.:::a:.::lib::.:r.:::ac::ti:::;on:.:...:;fa:::c:..:to:::;r~ _______ +--=0.:.:.9:.:8:.:8:.:6~+---lYqc: = -- t .61 e ('V .6.ll(H.,r:) ~ 

% difference between averageYq;s and Y -1.30% I'/!; \1 AU (P , I In:·p !if" 

1- I un@.b-;--1--:<-.-6-

(must be within + 5%) _, 

-

. 
Cliffs Natural Resources Inc. 

United Taconite. LLC 

Forbes, Minnesota 

Emission Measurement Center (EMe) Approved Alternate r,~ethod (ALT-009) 

Alternative Method 5 Post-Test Calibration 

TEST 1 

Line 1 Kiln Cooler New (SV116) 

Input Data Symbol Units , Run 1 

Barr t:ngineering Co. 

January 20.2010 

Run 2 Run 3 

Test date - i 12/15/2009 12/15/2009 12115/2009 

ITest period - - 823 - 1032 1100 - 1428 1451-1654 

Total run time t min 120 120 120 

Total sample volume measured by dry gas meter V ITo aci , 70.9 70.9 70.3 

Absolute average dry gas meter temp Tm i OF 36.3 39.4 , 43.0 

Absolute average dry gas meter 1emp T , OR 496.0 499.0 502.7 'rr. 

Barometric pressure Po inches Hg 28.9 28.9 28.9 

ConverSion factor (29.92/528)(0.75)2 --- (in Hg'"R) cfm2 0.0319 0.0319 0.0319 

IAverage oriiice meter differential t:. ha," in. H:O ! 1.23 1.22 1.20 

Oriiice meter calibration coefficient t:. H" in. H2O 1.92 1.92 1.92 

Dry molecular weight of stack gas Me Ib/lb-mole 28.84 28.84 , 28.84 

Dry molecular weight oi air --- Ib/lb-mole 29.00 29.00 29.00 

Specific gravity oi mercury --- Dimensionless 13.60 13.60 13.60 

Dry gas meter calibration check value Yqa Dimensionless 1.0024 1.0047 1.0070 

Dry gas meter calibration factor Y Dimensionless 0.9886 0.9886 0.9886 

Average of Yqa's from test run series 1.0047 I J I I 

t 0.0319 . 7" 29 

Dry gas meter calibration factor 0.9886 ·-t IYq" -- - I I> !! h' (-Vi.). q., ) ! 

% difference between average Yqa'S and Y -1.63% V, ! i.).hal''' M i 

IH \,!:J-l (P -'- -' .- (. -I ! @ . b ' 13.6 i--

(must be within + 5%) I 

, 
THERMOCOUPLE CALIBRATION 

BARR 

THERMOCOUPLE ID C-1-1 

Cal Date: 12/2212008 Meter In 

CALIBRATION TECHNICIAN: BJM 

REFERENCE STANDARDS TRACEABILITY DATE LABORATORY 

Hart Scientific 91 03-A sIn A 1 B289 Report No. A 1 B0718 12/26/2007 Hart Scientific 

Hart Scientific 9140 sIn A 1 B086 Report No. A 1 B2024 12/26/2007 Hart Scientific 

Temperature Calibration Points 20 70 150 

Reference Deg F (To) 20 70 150 

Probe Temp (deg F) 18 69.7 147.2 

Reference Temp (deg R) deg F + 460 480 530 610 

Probe Temp (deg R), deg F + 460 478 529.7 607.2 

Difference (degrees) 2 0.3 2.8 

% Diff Abs. T 0.4% 0.1% 0.5% 

1700 THERMOCOUPLE CALIBRATION 

1600 

a: 1500 r;;, 

" 1400 ." 

ui 

c: 1300 ~ <:: 

c: 

UJ 1200 "-

:;; 1100 UJ 

rUJ , ...J 1000 : Co 

i :0 

0 

tl 900 ,~ c: 800 !!! 

;:: 700 

600 

500 

400 

400 500 600 700 

---e-- Calibra~ion Curve - Unit Under Test 

800 900 1000 1100 1200 1300 1400 1500 1600 1700 I 

REFERENCE TEMPERATURE, deg.R 

FAHRENHEIT 

CALIBRATION RANGE 

-20 516 

Technician signature 13£:'.< .d;;t~/ 

QA signature -r' 

-:::) --~ 
~---~--

THERMOCOUPLE CALIBRATION 

BARR 

THERMOCOUPLE ID C-1-0 

Cal Date: 1212212008 Meter Out 

CALIBRATION TECHNICIAN: BJM 

REFERENCE STANDARDS TRACEABILITY DATE LABORATORY 

Hart Scientific 91 03-A sIn Ai B289 Report No. Ai B0718 12/26/2007 Hart Scientific 

Hart Scientific 9140 sIn Ai B086 Report No. A 1 B2024 1212612007 Hart Scientific 

Temperature Calibration Points 20 70 150 

Reference Deg F (To) 20 70 150 

Probe Temp (deg F) 20 69.6 144.3 

Reference Temp (deg R) deg F + 460 480 530 610 

Probe Temp (deg R), deg F .;- 460 480 529.6 604.3 

Difference (degrees) 0 0.4 5.7 

% Diff Abs. T 0.0% 0.1% 0.9,;!;' 

1700 THERMOCOUPLE CALIBRATION 

a: 

:;, 

"0 " 

ui 

a: 

::> 

!-

< 

a: 

ill 

c.. 

:;; 

ill 

!-

ill 

-' 

c.. 

::> 

0 

(.l 

0 

:;; 

a: 

!!! 

;:: 

1600 

1500 

1400 

1300 

1200 

1100 

1000 

900 

800 

700 

600 

".----_._--.. __ ... 

--s-- Calibration Curve - Uni: Under Test 

Upper Limit of Calibration 

.. -. - - LOVier Limit of Calibralion 

500 +-__ ~~~ __________________________________ --- ___ E_xt_ra~po_la_te_d_Ca_li_br_a!_ion_C_u_~_e ______ .~~ 

400 ~--------~----------~----~--------~----~----~--~--------------~ 

400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 

REFERENCE TEMPERATURE, deg.R 

FAHRENHEIT 

CALIBRATION RANGE 

-20 153 

Technician Signature !~,~f0-.p/ 

QA signature '-:::" ' 

<::.5 ....... :.--\.. ", 
BARR 

Pyrometer Number: 

PYROMETER 

CALIBRATION 

e-1 Date: 12/23/2008 

Pyrometer Reference: eL-300-1000F Technician: BJM 

Pyromeier Q F 

Reference (OF) Reference (Oe) Reading Pass/Fail 

1000 538 1001 Pass 

950 510 952 Pass 

900 482 901 Pass 

850 454 851 Pass 

800 427 800 Pass 

750 399 751 Pass 

700 371 701 Pass 

650 343 652 Pass 

600 316 601 Pass 

550 288 550 Pass 

500 260 499 Pass 

450 232 448 Pass 

400 204 399 Ipass 

350 177 349 Pass 

300 149 300 Pass 

250 121 251 Pass 

200 93 199 Pass 

150 67 150 Pass 

100 38 97 Pass 

50 10 48 Pass 

0 -18 -1 Pass 

-50 -46 -46 Fail 

Pass/Fail based on +/- 0.75% of Renkin value 

Unit not to be used at range in which failure occurred 

Technician 

QA signiture: 

signiture: ~~~ .-;:--' 

.. ::.> '1-' .. ~~. 
-------

, 

J 

BARR 

REFERENCE STANDARDS 

Hart Scientific 91 03-A sIn Ai 8289 

Hart Scientific 9140 sIn Ai B086 

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 

Is difference less than 1.5% at all 

measured 

THERMOCOUPLE CALIBRATION 

THERMOCOUPLE ID TC5-2 

Cal Date: 12/1212008 M-5 Probe 

CALIBRATION TECHNICIAN: TYL 

TRACEABILITY DATE LABORATORY 

Report No. Ai B0718 12126/2007 Hart Scientific 

Report No. Ai B2024 12/26/2007 Hart Scientific 

32 212 400 650 Ambient 

32 212 400 650 70 

33.6 212 399 651 69.5 

492 672 860 1110 530 

493.6 672 859 1111 529.5 

-1.6 0 1 -1 0.5 

0.30

/0 0.0% 0.1% 0.1% 0.1% 

YES 

THERMOCOUPLE CALIBRATION 1700 

1600 

t:: 1500 ci> 

0 1400 '::l 

,uS 

'0:: 

::J 1300 ~ t:: 

w 1200 c. 

:;; 

w 1100 !-

w 

...J 

c. 1000 ::J 

0 

() 900 0 

:;; 

0:: 800 '!!! 

i= 

700 

600 

500 

400 

400 500 

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

~ Calibration Curve - Unit Under Test 

Upper Limit of Calibration 

Lower Limit of Calibration 

Calibration Curve 

600 700 800 900 1000 1100 1200 1300 1400 1500 1 600 1700 

REFERENCE TEMPERATURE, deg.R 

Are extrapolated limits less than 1.5%? YES 

FAHRENHEIT 

CALIBRATION RANGE 

-20 1200 

If not acceptable, describe corrective action: 

Technician signature 

QA signature 
BARR 

Pitot Tube Number: 

,-- \ 

Length: V --=----

Function: ~ / Free 

1. Are iace openings perpendicular to lube axis? 

~YES ( go to 2) 0 NO (go to 1a) 

,;~s;:,:! I ~~~ ------!-----~~-----t-------

j--~~--: , , 

2. Are face openings paralielto longitudinal axis? 

DYES ( go to 3) ~'fQO (go to 2a) 

, :; ..... fb·. 

S-Type Pitot Tube 

Geometry Check 

Inspection Date: I~·- ig I 0 ~ 

Technician:, __ ·_-_r=L-'_I_L=-______ _ 

1 a. If NO. is angle less lhan 10'? 

DYES (go to 2) 

~r : --¥.:::.:tE:~-~ --. 

! ! 

2n. If NO, is angle less than 5 ... ·? 

~-9E~ ( go to 3) 

D NO (discontinue use) 

:'"i -11 --¥;?rcd---' 

! ~ 

D NO (discontinue use) 

~1·--=---~-v17 ~1.-----,·~,i7 

L.:..,. __ ~~::: 1- Zi_ I ~' .. ';-:{..;::~ Ej:! v~=~=~~RS:~-~~-:J;:~~:,:::," '''", .. :::.,..;: .. --

1 ... 1 )"., ....... 

< ----::--..-- .J"~ ·f ... ··I#.,·~--,=-

3. Are legs of equallenglh? 

~YES ( go to 4) n NO (go to 3a) 

--&----~~----~-)-----

4. Are center· lines of legs coincident? . 

DYES ( go to 5) ~'O (go to 4a) 

--~----~~----{--)-----

5. Does this pilollube pass all of the above criteria? 

___ _ 'iv_.::\; ..,'. 

3a. Ii NO, is difierence less lhan li8 inch? 

D YES(got04) D NO (discontinue use) 

4a. If NO, are cenler·lines of face openings less than 1/32 inch? 

~~ ( go to 5) D NO (discontinue use) 

ArYES DNO 
THERMOCOUPLE CALIBRATION 

BARR 

THERMOCOUPLE 10 TC5-3 

Cal Date: 3/4/2009 M-5 Probe 

CALIBRATION TECHNICIAN: 

REFERENCE STANDARDS TRACEABILITY DATE LABORATORY 

Hart Scientific 91 03-A sIn A 1 B289 Report No. A 1 B0718 12/26/2007 Hart Scientific 

Hart Scientific 9140 sIn A 1 B086 Report No. A 1 B2024 12/26/2007 Hart Scientific 

Temperature Calibration Points 32 212 400 650 Ambient 

Reference Deg F (To) 31.8 212 400 650 70 

Probe Temp (deg F) 31 210 397 650 69 

Reference Temp (deg R) deg F + 460 491.8 672 860 1110 530 

Probe Temp (deg R), deg F + 460 491 670 857 1110 529 

Difference (degrees) 0.8 2 3 0 1 

% Diff Abs. T 0.2~~ 0.3% 0.3% 0.0% 0.2% 

Is difference less than 1.5% at all measured 

YES 

1700 THERMOCOUPLE CALIBRATION 

1600 t---~~==========================~------------------------~ 

c: 1500 ::i> 

'" 1400 "0 

we: 

::> 1300 I-

< 

e: 

w 1200 c.. 

:;: 

w 1100 IW 

..J 

c.. 1000 ::> 

: 0 

u 900 0 

:;: 

c: : 800 !# i i= 

~ Calibration Curve - Unit Under Test 

700 -----.. Upper LImit 0; Calibration 

600 --~~-. Lowar Limit of Calibration 

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%? YES 

FAHRENHEIT 

CALIBRATION RANGE 

-20 1200 

If not acceptable, describe corrective action: 

Technician signature 

QA signature 
BARR 

Pitot Tube Number: 5 - 3 

, 

S-Type Pitot Tube 

Geometry Check 

Length: s\ -'""---- Function: 

~Free 

Inspection Date: ) - '( - CJ ~ 

Technician: MV-i K'C1. Are face openings perpendk:ular to tube axis? 

~ES (go to 2) D NO (go to 1a) 

/ I ~::-e.-~ I r...c..",.,jl,.o'::j; I I 

"'-~ ------T-----~~------i-------

I .. ..;:.. I 1---"""..., __ ' 

; ">r_. I I I 

2. Are face openings parallel to longitudinal axis? 

~ YES ( go to 3) 

v 

3. Are legs of e::juallength? 

~ES(9ot04) 

D NO (go to 2a) 

o NO (go to 3a) 

--F----~.'t--- -'(-::-)-----

4. Are center-lines of legs coincident? 

rES ( go to 5) 0 NO (go to 4a) 

--)jO----~~.----'E-)-----

5. Does this pitot tube pass all of the -above criteria? 

1a. If NO, is angle less than 10°? 

DYES ( go to 2) 

2a. If NO, is angle less than 50? 

DYES (go to 3) 

.--___ .:r7 

~. V 

DNO (discontinue use) 

~ ~ l' 'I.. __ ¥~-=:::I __ . ~c.:::t ! 1 . . 

o NO (discontinue use) 

3a. If NO. is difference less than liB inch? 

o YES(go io 4) o NO (discontinue use) 

tv .-;;----r.,..~~1 ___ . 

4a. Ii NO, are center-lines of face openings less than 1/32 inch? 

DYES ( go to 5) o NO (discontinue use) 

D<-+ YES o NO 
BARR 

EPA METHOD 5 

FIELD DATA SHEET 

Sample Train Leal< Hate (dm 

Project 

Smpl Lac 

tAlf\L. 

L "2. (;, \,U 1.-. . .5~t.'-fj Tesl'No. )' 

Metery O.9~1,?~ Bm.Pres ?o·l5~ inHfJ 

Runs 1-2 <'.H @ .L..'1!.L.~ 01(11'-1.:1 Stal. Pres - D.S-v in 1-1,,0 

RlIIl1 Rut12 

Prete!;t 0'U at ) U ill I-Ig Pretest u.<I at 1 G in I-!g 

Date 12.- 'b-c:. 'i Pltot No. S., ~_ Cp D . ¥ '( r-:)~:::r Probe Ln9t11 )- It PosHest Il.", at r ill IIg PosHest '-l. '" at 9 ill 110 

Operator O'J Ie... ( JiL eM l' SM . P l, I If Linm Type: l(!plass OS.S. OOtiler PitoL(3 in.) Pas. !]JNeg. r!J Pitot (3 in.) Pas. [d.NEl~LQ 

TEST RUN 1 r -II TEST RUI~ 2 

Stnet, Snll1Qle Train TenlR~1 Meter Meter 

Telnp. IrnplJqr Inlr-!t Otlll·,t 

l';,T Probe; r~ Otlliet Te",p, T TPIllP, T 

Sample Sample Motor veloc.ity Orifice Train"1 Stacl< ,"r ~ Meter I Meter II Meter. Velocity Olifice Train 

Point Timo Volume LIP, III-!, Vacuum Temp. IIIII'n9r Intet Oullet Votullle {IP, ,II-I, Vaelllllll 

LIT VIll, It' in H,O in 1-1,0 in. I-If! Ts, "F OutlJ.,1 \ Telllp, 'T Telllp, "r Vln. It' in 1'1:.0 in 11:.0 in. Ilg 

1~-'3;I'::;')~~:: ~~t~." :'~~:it'·::'7:~::;:~·,~i;t';2"!!:;')~\2~-; ;Z-> 1 ~1~ .3.; ~~ ;~~:~t ().;n ~f .r.<o' , l~i:;Ly'D' '-'1/.' G~) l ~;1 l. 11\ t'b),YJ 0 ,<t:L //1'<. 7J.5" I'LL 2f'J{ 7.y]. r,.-1.~ _~ 1-_J <{lY.II. O.'1c f.Jel r.~ (/1 2.>1 '1..-YL (,0 ~--.lJ_....:L_) 

I I)' 1~~'<)) u,+\ /'LL '};,.) J21.- 1.\S l..t'\, ...lha3J---~ 'bl.1,<J1_D.c..:l1L...!.J'<6 J,u Ill. Zrz. L'tl Sf~..J.-i __ j~_ 

({.1, LV ;mGy t:.7'1 1·3~ 3·) 119 2,<0 '2,-L S.::. I" 1-15' 1-y lS~q.~ 0·7l" 1.3r '1.(' 11'6 1'0 1 7.; In '(:> ft". s-,F 

].. z) }P/.\\ D·1L /,21 1.) 121 2\~ I.» Y'6 '1l ~-4. "1-(.., Y;J>.'6~ 6'1'\ ~ lJ.( II'J. Lj'{ Lil t);) YL.J~ S'y 

\ 'J, tql.(6~ b.~'( 1<\(3.~ 17,0 l.)'q ~~~!t. -:J-c.\ 1t" S3).,,;, --'=-:lL~ Y·I lie. .1-..)~~_~l......n· ~ s-v 

( - i ') ) 

"'l '1.7 

))b1,I" D.'T>L... l.~ :l.r- 1/('" L<;,\ -2\y ~lJQ 1"f -;u Slft>.'1 G. tv 1.1 \ \IS II j li ~ 'Lf 'j 31 ~_r) _y __ ~":-t.ly D.'3t. l.Jl 3.e /2.i LH 1..sy sl:. 3l 0 "l (., 9 ~'13JG D·l!:> J.T5 '/.)- Il.L l'f( zn 5$ 3_S s)- s-y 

\"" --

'-IJ 

0- "!. j/ 

.\-, -

JI'iltll .. l.J b.t" 1.1.,,,, 1.( Wi, U'zl Z('b ~l l tJK (,,~----, 'iYIc.l~ D.VS /,11 'I . .;; III 'lYe. 7'1'1 17> l.:L 0\s -..lJ:::. 

'-/)b.t/'b IJ.~'{, ,.'1% '3.) 121 L\~y l5':1 3}B l.o\' (,~<t'l~.(/"'O.'1S\.) '.'11 '1-f- IIl_lU TYV .1L~~_-_£)_ 

JI£3I'J,.qL:> 1-,.·1,(1 I.) I J.\ 17.2- 2.\\ 'L'IY ))r ')l' 1;, '--( b; 'tiil.S?, (},1I) '·'13 5.", )/L lfJ' 23, '{J yI Sl" Sy 

:1 "'I " ~n-,o::r \:).(\L il.'\~ ].5'11'6 <''3,( 'l..rJ 363l fo3. c.J, 1lS)','?,\ tJ·t1 1.1L .J.... rn- 7r(t. en YS- t(r- J~ SJ --" 

~ II .. :-=---- .. ~ ~ 1-'-1-1 11-, 

'-

"1 'I I' II 1--1-\ II-! I 

jl 

/

., .. ··:.,······v·" I II 1.' L I o· .'.:;,T~I;I- 7 r I 1- t <;/1 4';!..',i.'::'ii·);,\·~ 0= I!rjl"-'6.1 'I. !;i!f.'1~\";,\" 111-1=1.) 1 TsJ 1.0 > 

Dl.~ 11l'~1 \'6.{', 'i'6·S' Iii.\,,) \'6,\.,\ '.i '{)I~.I.~-it.0¥·": ~r6.f' 

Initialization Values Test Run Times 

Meter Oxygen I Temp Box No. 

IRlIn.1 1:9 

RlIn2 r'6 MOISTUI1E I1ECOVERY: RUN 1 

Imninoer 1 2 3 4 Desiccant Tolal 

Final wI., 9 "ll .!) q\c )01Y,~~ :;:~:t:( Initial wI., Q \0 \\ 1"0 I ()1.'/.<;,-

Difference "\1- <:> - ~( I~ qi 

I-I . II-~ 

Ban No. 

, .... :"., .. ,"'\ ... "./- :t\ )-YII :<. :~~":I't:~\\':t\,:"i'!'~~\~ TII1=r • \li11 

ORSAT System 

ec/rnin' I 

BagVol I at 151n Hq RI 

.~ 

~'l 

\5 

q'l 

N0 L 2 L l=-

C ~ L'-"~D t 1-1- T t\jvv 

~ 

~l· .O::(!I -1-;~ --r~I~;;td ',":1 

-·-·-1----\---

-1-\--1---1---

=I=1-I-j II 

. ~:';:::.·:::./TIIIJr:·_li 

Nozzle Calibratioll 

Tecll.~JU- Datell~g·<.I '1 

Nozzle No. 3 -1:-

~-+W{;'. 

.. __ 3_1 1...). <--J'-'I ; 

I\vu. ill. () .1.. t C 
BARR 

'. EPA METHOD 5 

FIELD DATA SHEET 

/ 

/ 

Project IA 1: 'A L 

Smpl Lac L;"" \ Air\..) (",\ • .1 Su"l!..,Test No. __ _ 

MeteryO.9C\&fo 8m, Pros Z 1I ,q Q. in Hg 

Stat. Pres '0, I 1-- in H"O 

Probe Lngth __ £_ ft 

(cf"'L.) _____ _ 

Run 1 !3LH12 

Date 1'2.~ ,r -0,\ .s\)~lG 

'Runs 1 ·2 lIl-I Iii) J8.L/P-.l. 

Pitot No, _£:'_~ Gp 0·'6 V 

Pretest 6.j at I U in 1-1;,,- PI etk~t------O • ..1 at /0 in I-Ig 

Posllest 0 . ..:::. at + In I-Iql Pustlest (). ,() at ::,. in I-iq 

Operator D'1''L I q'Pf CM __ _ SM I P--.!a_ Liller Type: I),(Blass llS.S. fJOther Pitot (3111.) Pas, ~t, L\rl Pitot (3 in,) Pos. CiM~ljSample 

Poinl 

Sample 

Time 

6T 

TEST RUN 1 11" TEST nUN 2 

Meter Velocity Orifice Train Slaci< Sam Ie Train Temp, "F Meier Meter Meier Velocity Orifice Train Slacl, Sample Train Tenp, "I" _ Meier Mptpl 

Volume "P, 111-1, Vacuum Temp. h11pngr 0111101 Inlel Oullel Volume ill', 1111, Vacuu", Temp. hopoor Inlel 

Vrn, fl" In H"O In H20 in,l-Ig Ts, "I" P,oiJe Filler Oullel Temp, "I" Temp, "F Vrn, ft' inll"O in H,O in.l-Ig T5, "1" Probe Fillel Oull('1 Temp, T 'f e",p, "I" 

....... "": .. "."".,, .. ,., ...... J'">'5;(7I· ••. :.,..", .. ,,,., .... ,, .•• ,,, .• II· .. \., ... ' I,,: ....... ···:':,.,'··,·,··: . .'·,.·, "'.',:" : .. " .. ' ".:. <61oJ3 ": ,...::;·:~~··· .. :.:G:·:""'''.i·.I':.<'·'''':. ',.":"', '.: , ...... , .c·.·:.' .. ' .... >': ·:'i:'T-·:,,',"'·;; <.. '1:1:'-' .. ,; ',i,:):.·. 1::::.\', ... :,,·;.' I):,'·.::·,·~,··.,·:· v'. "' .. '."', .. ' ·.;,t·· ", .... ~ .....!!..l.,O .,' "", .: ... j c' ... ,-; :,iI" ··,..,.-'(,',:':111.' ... ': .... :, .. ;· ..... ' _---:..:.: ~",:::,_., _._:.'_".~.': I 

IIH~ !>' 1') .. n O.L':I1 I.I'd}. 1·0 ~_~lG __ ~3~.3~.~LZ_ '61c.1.~ .. +_(). z.to LI<..f '2..0 S2- 1..<{U ...... 3:jJ_ 3~_..2L __ ~_1=_.1 

~10 l<g.\"~ D31 '.h 1.1>' b'1.. 2\:1- 'ZiLy:> 31/ 32 t\.\oD 6.2'6 I.ZL: Z,l>. ~ 'L'/. ZYr VJ __ ..1..L_..:L1-_ 

tv h- 1..1.9.) L\.JY I·LI!.. I.,)~· S~ 1.'-1/ 1,'it:>...:1..1- 3-:> ..1l_..l?:.l<Lo."l..j ,.z~ 'Z . .) !Y -z...Y-J_'LY'"L 'Ii- 3)(' ">J:::...-

<\ 2...;. lll,~I\·2.:L ,·2.3 '.0 h'3 ?\h, 'l-'i\ fc 1f :n 95'.s-\ D,:!' \ I.?) '1_" {'v "'"L-Yl __ UL-. .r1.l3_'f._~I-_ 

(( zrn.Gf oJ\."> !.1.,,\ I·u >1 ,> I 1..-\f.J 'i1- 31." :n_ £J<6.)1- b~ H, L., s) 't'tJ "lYl.. .r L <J u .~ 

l 3-.:::. l'IDs:> t),1.'\, /.7...:> H ~ 1.1\ ?->~. (I .16 g Ie-I.'!.:> 0:32. I.'I~ 2..~ ;-r 'Z..-f( l..YL j"y IIi) 3~ 

I. ,})~ 33.)<> \),'2.0\ ),1.,) I·e 5"1.2.11' '2.-.,1[' S1.. _~:r3 l~cJ.1(:, D.3e:. 1..3° 'V" t"u 'Z. yo -z... Y J J r '/0, )3_ ~ '-4..) 3'<l.\o:> ~:yz '.H" /.,> 10'\ 23'1 .• ?".'-/e> y( 1J., 31( 101,'11.. CI.z1 ,.1.('" "1.e:> ~ 'Z-Y( LY1. s\,. ..:!.L.._:llt._ "(~; 3'\·\01.:> u .3» '.tJL I·;:, e.g l.~ I 2 n· .-2J n- 3J.. __ llc>,'vi t::.' l. '6 ,. 2. L 1.", 51.. -z.. r" 1-{ l.. n' Vi J Y; 

"Ii" '5-") \JZ.t-\ 1),'1,1.-- f.3('{' 1,1:) ----.£:f. 1.3"l 2'J.:L- .J3 ..L~'3y ]11,\fftJ.1-'/ /.1>\( /.) -0= -ZY( 1....J'L S'J tl/ 11§ 

1. f{' ItI(·'1o 0~\ /. 31, I.v . Io'£... Z!,)= 1..]4 £Y .3~3)" .Ilb.)U D·l-·r t.o\ Z.u J Y t...~ LY,- LL L1/ ~ 

11'-12.. 

\'u yq~,\\" b;U{ 1.2.1 I·r ~ 1.'Iv tYu ,to ~'6 35""' /,tt,1.> 1- 0,2..3 I.uo (.u .>10 'ZfL 'l- Y I ....::{£ '/2 1!/..-

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I \1 1 1.) i~v.to C.1."1 /.;;,y ,.,\ )1 "LIJ..J:::. 7..y" <;y 3'i 3\" /: if..:, '1/ ...LK 

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~!.\.,1..~ 1>.3\ ,.1.,( l.= S'(~ 1...'Il l..'1' \.L 'S15 Z\.. (,. ' 5\'" 'If H r C1) 

'10 

7... \1\ 

'11..;)'1( u.l.ctJ·U "l.;J )''1 t..ti"" '1.'tL~1....- L/o 37- 1 ;1)1\ _ L (",1> 'IL ff 

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Meier Oxygen Moisture cc/min· 

Temp Conlent Content Siall Time End Time Box No. Bag No, Bag Vol al15 in I-Ig ~ Nozzle Calib\ allan 

Teell.::D 1"1<.......... Dale It, If A 

Nozzle No. ~ ~ '-b 

Run 1 1.1- 1.\\~ ,.) is'll> 16 31.- nlln 2 '1.J. z,.::> .'1 __ .. t-,-C __ h\j\:) 141:'r 1 U,~J\ 

2 ..... , (1_ 

3 () , l f '\...-. 

RUN 2 

Impinger 1 2 3 <\ Desiccanl Tolal ?~ 1 2 3 Desiccallt Tolal 

Avg, in, 'lJ."Ln:::--

Ii) \( ~2. 1....- l"llt{ : ~/ .:' . -I ;:'{l~' IL!}C> l ~,,, (:) ~ ('.;, , .::.' , 

q r 'L-' 1... 'I," 1...'1 

Finalwl.,q "\~ \t,,'( "L jU'I 1".,.,;,:'.>: s~t I?,.,,,, t.~, 12.\1\) 

Inilialwl.,~ I~l> 1..11 \) '- 1-:1 '1-"\" c.:' .. ".'., Q. ... l\.J~@.,·. \1<\'1.-

Difference -:t "l.\ /..... '1.U"L'( >-.. 

't1:, \ \. i COW,,-
BARR 

EPA METHOD 5 

FIELD DATA SHEET 

...- Sampie Train Leak !late (cfn:0. 

Project \J'. '\ Ac J Run 1 RlIl12 

SmpiLoc Lio/l y I CIJ,:> 5U\>'11-TestNo._~_ Runs 1·2 

Melmy O.r1l~1,. tlH @ 1.6116,) 

Bm. Pre~ 2~''\) inHg 

Slat. Pres - l}.?. L In H20 

Probe Lnglil __ S:: __ 1t 

Prelest b·(;) at 1'1:. in Hg Pretest 6U at 10 ill 11,) 

Date 'Z - \ "" - 91 .. Pilot No .. s:::.3_ .. Cp 6·By p_b __ Postlest V ,0 at ~l- in I-Ig Postlest (j .<.) at ~t: ill 1-10 

Operator m l(... ([\=~p eM_I- SM l Liner Type: [IGlns5 i]S.8. '{1DTher :l1-C.. Pitot (3 ill.) Pos·'11S1~g· I2r Pitot (3inLPos. ~9~~' 

.----------~- TEST RUN 1 'IEST RUN 2 

lInin 

VaclHlln 

ill. Hg 

~l'I" . .L~I~Il]I~ Meter Meier 

Point lulet Oullel 

.. :c;::" .. ; i·,·.,. .. :·,:··, .. ··,· 11',· ':":'c',. ,",,. ...... ' , .. ,.,.,.... .. '. ", ..... : ... : '. .' ,. . .:.' .. (,<I \ . . ..... '. :,... .. ":;,:., , ....... -: i.'h'::·:::':'::·,,: .ZZ'S'.<O ,.:,",',' .... :-:,::. :.:,"'.:': .,.: .. ,.; .. ,,';-'" . ,. ", ,,: ,',!': " . ....'.:.:. .•.. ' .: :".' :'" ' ... " ... : :'. :: .. '. . '.': Z J f D "':' ,'''1' ..•. , :'.:' : ·'i.':: •• .'. . . ': .1·. 

(-1--\0 2..')~ ~n,Jl U.1.'"2.. 1'1.:, '7,.0 ( toe'l.)9 -z.YI 51- ;)\ 33_ 11:A.1.1::...~1_1_ O.\o'b IT ~JJa 1..'1l "'tY1... yr;,_2~_3" 

S \S")::J '2.l~·1e O.L) I.l~ ~(;"l'b 2~"A:S"i Sl, 3~.J3 7~Vfa u./3 o.1-~_ ,.) ,)(.(; v'lL -Zr; '/l:' 9. :5 %' 

'1 1-1':. 1.10 ."1.0 c:>,'2to ).}3 2.J .f4'1'~ 1.YI )Y _3JQ 3 Y 7b2,Yy:' ~),}LD.l"pfo I·S S'l\o '""L Y(·z..rL~~-VD -~.J~ 

'3 10;0 23U)' 0,2.'\ ,.)) L.u lD1.. ?.Yc> ?.y?.. 52.. :" :w 'tfc,JSL_~ ().(,.I I·r 5 11_ 7.·Y_L'!:::lL J'L... '/0 _~_ 

1- IL,,, l)J,/J O.i"::' l.e3'.=> S-qa 2J.~ 2'1/ '/1:-- 36 3'1 l.I.Y.SL0.1t>. tJ·r~ \.J 'J1-~ 7..-Yl.. ,-Y/ S-3 LI( .:L~ 

\ lS'i~ Uy.(~ Q,t'L \.1" 'Z.\.) 61.'" 1..'100 'Z11 "6 3t" 3 'I ''It,,q~ .J).~(\ ~,r"F J.5, Y/rb 'Z..Y( . LY7.. r1' \oil. .. It(, 

_~,l:, rJ.r .... 2..'~:).~l.O,''l Q.}, /.\ )-50. ,&'/1 2Y7.. 1)'0 3!.c. 3y (1o(o,HO.I'1 ~ 2 . ..l1 s::/) "7.-'(( "Ln. :)"'6 Yj .Y/ 

)- l.c.O Z3bfi'60.1'( 0.'"\\.0 I.j 51~ 1.1"0 "1.1(1- 3i 31- 3\ 1../"v.,,'/0 1,).7." l.i::IL'"l.~ (a I\) l.-YL l.Yt... ~-7-- tl3 ~I 

'( h.1 l.)&vlb u.t'l- C),toto t·r su_ 1-Y, z.yz.. :)(p l..J:: 'Ji 1Z69.t(,~L. \.11 toe:. Coil "1.-VL z..Yr 5<:' Yy W 

;, 1.5".0 ~'1.1I~, ~'IoJ 1.:)- n .. \- "LV,! 1--11( ~tp .lJ-_.J'l 'l.t-IJ(J~.l"t 0.9'L !-. .::. . SYL '2.'I[ 1..}''l. ss- ~=--.-YL 

1.. -n ... \ 'Z'jo:t-\ u.I@ D.,rl ,.)--- .:>11 ZYL l..V( _:>~).J' __ . .1)-... n?·'-J: Q~_()'~1. 'L. _V/)9 t..1{( L~_['S=_ </r._vL.._ 

l'ti:> . .:> '211,'I.1:::>c>,\c> .... \1- ,.j Yyo "2.--YL..'1.--'11 v:> >1- .>r- ;r;n~JL.L()1c.:, {.,,, YI.::.7-1..-YL"Llt,-~ ,/,':;-' Y,,--. 

-C...::.-\.o 3~s 2VL,~<::> ()/21. I·/~ t . ...:> r<or l..-V( '1.-h_ 53 3'(? 1~ +\.300,'l..lo I.vf 'Z.)"""' S'liw <-tIL z..YL S3 t/r Vz.. 

1.' r", ..r:... 3S'? IN.1O o.z..~ 1.35- Z...) IolD\"::' "'LIt! 1...,.YL 5V ::!'l .lk.._ DI."I;tLO,2..'6 J.</~ ... 

t- 3~t'; Vlo.1-'\- \5:~y I.S) 7..';- 1·'/(" 1.-'1 ( 't.y .. !. S5"~ 31.0 l ~ '1,=>,0 ZO·,,!·L .:I.~I.:, /.\"'1.. t,r 1'1,\ 1. v,;., -Qz...'>"3 ,/", )10 'l' 

S~3 'I"" 13~ IP·: 

5 'L ,t l\ . J 1- [2. ) 

o-\; Y/.( l".~>· ."L, \.I<j 11 .• I ~ ,/0 "II 'LY2. V, ,'1. J r tl 

5" S~,0 HU'i u:t 'L 1.1e::. 1..;0. Io-z."t 7.11/1 z..y,- ----.Jj_ .:!~. 3 t ('i 

Y- 51...1 Z('I.~e::. ~,I ~ I.~ -:> Z.'> 31(1,.. t3,\ 1..'1"1- ")= 'Jc, J 1- q 

l \f? 1.51o.\3 ~.I'\. I .~). 2.,..) II'?> 'zn &~l( ~)6 'J'" .. H- 1.B~ 

1.. {1.\ Ut."'/Hl.\\p ,\).'?,'\ f.)" 511... 1."(1- "'L'I9' '13 II.:> 31- 20 

;\)6 z. 2 L E 

C r-1 L~~ is t 1-\- T 't ~'I\/ 

( I <lY ~t6 y> =. Sy_~' yy n lit- V3 

.5'1.... I '1'& IYL 

J"J I Y'6 I L/Y 

'1~ I Y'g I 'fy 

=-1~Ft'6H =-~ -~TB Ys- Y f' 

'Ii '11 'I J~ 

{ ~(1 '('s- ::- !,,1:1- yq yr - 'i .. ·~"li,,'..".i\;;' -.--

~:;':G:i':',:,"'''' Tm,!J.V'6 

Initialization Values Test Run Times ORSI\ T Systelli 

Meter Oxygen Moisilire cr.llnin· I 

Temp Content Content SlaltTime End Time Box No. Bag No. Bag Vol at 15 in Hg Rei 

'2 ':"'J. ----------. Nozzle Calibration 

1 eell. UJ V:-. Datel1.::&::L 

Hozzle No. "5 _ I U 

Hun 1 -S'l O. <; lJi\3, ()~"l 1 ~:1' 1.. 

Run 2 11~ 11:>.'\ a .~\o It:) Il\ 1\ 1..\0 

MOISTUHE l1r::coVEnY; HUN 1 

\ Impinger 1 2 3 4 Desiccant Tolal \ 

Final wI., 9 1\1.., 1:)'\ I:>'" \\)\"u 

Inillal wI., 9 \ II> \ I'" i pI \..,'13 :,'::/";!,,k.~' Difference - '6 '{, D T -- ._- l 

I ~.~' . 4 Desiccant ~ Cf3 _I&"L .~1\ ,1::>10\ 

\u) ,..vi). lu ~C) I~~~I I 'L D \-\-

2 ._-- 0.311- 3 C. J t 

_P\fg·.Jr~~ ____ _ C'i.Jl) 
Field Barometer Calibration 

BARR Calibration to National Weather Service at Chisholm-Hibbing Airport 

Station elevation at Barr Hibbing Ofiice 3128 14th Avenue East, Hibbing, MN 1460 It. 

Date Technician Time Altimeter 10 Time Pressure Pressure Condition Remarks 

12/2/09 DJK 1:53 29.90 DJK 8:48 28.53 28.44 • In Calibration. As Found 

12/22/09 DJK 12:53 30.26 DJK 13:34 28.90 28.80 In Calibration As Found 
Appendix F 

Cylinder Gas Certifications 
EIIII SCOTT-M~ARRIN, INC. 

6531 BOX SPRINGS BLVD. <1' RIVERSIDE, CA 92507 

TELEPHONE (951) 653-6780 & FAX (951) 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 

REPORT DATE: October 29, 2008[ 

CUSTOMER PO NO: 20080912CPJR 

CYLINDER NUMBER: CC28340 CYLINDER SIZE: 150A (141 std cu ft) CYLINDER PRESSURE: 2000 psig 

COMPONENT CONCENTRATION (v/v) REFERENCE ANALYZER EXPIRATION REPLICATE 

± EPA UNCERTAINTY STANDARD MAKE, MODEL, SIN, DETECTION DATE ANAL YSIS DATA 

Carbon dioxide 8.98 ± 0.09 % GMIS Varian Model 3400 10/27/2011 10/27/2008 

CYLINDER#-: Serial #- 10680 8.98 % 

CC83094 Thermal Conduciivity 8.98 % 

@8.09% Gas Chromatography 8.98 % 

LAST CAL DATE: 10124/2008 MEAN: 8.98 % 

Oxygen 9.02 ± 0.05 % GMIS Varian Mode! 3800 10123/2011 10/23/2008 

CYLINDER#-: Serial #- 9.03 % 

CC51181 Thermal Conductivity 9.01 % 

@ 10.04 % Gas Chromatography 9.01 % 

LAST CAL DATE: 10/2/2008 MEAN: 9.02 % 

Nitrogen Balance 

ppm = umole/mole % = 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 inva id if the ylinder pressure is less than 150 psig. 

~Jj I 

ANALYST: __ %1--'( ........ ,,-=-l-I:-F-""'---=--'---- APPROVED: __ -+..:..t _~ ______ _ 

M.S.Calhoun J. T. Marrin 

The only liability of this company for gas which fails to comply \\~th this analysis shall be replace ent or reanaiysis thereof by the company without extra cos I. 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 
" I 

jUN-11-2009 15:53 

Sent By: SCOTT-MARRIN INC.; 

BARR EHGIN':::'ERING 

9516532430; 

9528322501 P.02/02 

Jun-11 -09 1 :58PM; Page 2/2 

! 

Ilaal I 

j 

, 

1 

! 

l 

B~R01 

S C '" "'""r -r '1\ If .l\ .r::) 'R' T 1\ T T l\ i r-

\....I 1 1 -1 V 1 J-\. 1\..' 11-'\1 t ! 1·"'\1 '- 0 

6531 BOX SPRINGS BLVD. • RIVERSIDE, CA 92507 

TELEPHONE:(951)6SS·S780· FAX (95i) 653-2.430 

Report Of Analysis 

EPA Protocol Ga s Mixtures 

REPORT NO: 54424·01 

TO: Ba~r Engineering Co 

Attrp: Aaron Grosser 

73~ OHMS Lane 

Edina. MN 55439-2330 

(9q2) 832~2959 

REPORi DATE: SeptEmbSi 12, 2006;:) 

CUSTOMER PD NO: 20080825AMMV..2 

1 

1 

i 

i 

I 

i 

CYLlND!::R NUMBER: CCSS01S 

! 

CYUNDER SIZE: 150A (141 sid cu ft) 

Carbon dibxide 

I 

I 

I 

Oxygen I 

i 

, 

1 

I 

, 

, 

Nitrogen I 

I 

i 

I 

I 

CONCENTRATION ("Iv) REFEReNCE 

± EPA UNCERTAlNTY STANDARD 

4_00 ±O.Q1 % 

20,00 :: 0.21 % 

Balance 

GMIS 

CYLINDER#: 

CC122661 

@3.80% 

GMIS 

CYLINDER #-: 

ALM031591 

@24.S9% 

ANALVZER 

!.!AKE, l!ODEi., SIN, .tlETECTlON 

VarJan Model 3400 

Saria!;;' t0680 

Thermal ConducliYlty 

Gas Chromotography 

LAST CAL DATE: 8/13/2008 

Varian Model 3800 

Seria!# 

Thermal Conductivity 

Gas Chrornoto-~raphy 

l.AST CAL. OATE: 8/2512008 

CYUNDE~ PRESSURE: 2000 psig 

EXPIRATION 

DATE 

91912011 

REPLICATE 

ANALYSIS DATA 

~f9l2008 

3.99% 

4.00% 

4.00% 

MEAN: 4,00% 

9/1112011 9/"11120D8 

20.000/0 

20.{)1 % 

20.00% 

MEAN: .~Q_OO % 

ppmdu. l8!mole % '" mole·% 

The analyses Willie performerlln accordance wiih Procedure G1 of the EPA Trnceabilily ProtOCOl. Repon Number EPA-600!R97/1Z1. dated 

September 1997. 

Tha aba'1 analyses are inv;,l!d If tha linda! pressure is ies.;; than 150 psig. 

1 

! .. 

ANALYS~: APPROVED: __ -+.::... ___ - __ _ 

1:..-: :. M.S.Calhoun J. T. Marrin 

The oniy Iiat~m)' of this company for lias wflich fails to comp1y wilh Ihls anBJr.;1i shill) be repll! , nt or i'!Ian!1ym \hen;!Of byiha COmpal\y Without extr<! coaL I STANDARD CALIBRATION GASES IN ALUMINUM CYLlNDERS 

! 

TOTAL P.02 
alill SCOTT-I'v'IARRIN, INC. 

6531 BOX SPRINGS BLVD. • RIVERSIDE, CA 92507 

TELEPHONE (951) 653-6780 e 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: 56059-02 

REPORT DATE: August 13, 2009C 

CUSTOMER PO NO: 20090730AAGA 

CYLINDER NUMBER: CC62345 CYLINDER SIZE: 150,". (134 std CL: Tt) CYLINDER PRESSURE: 1900 psig 

COMPONENT 

Sulfur dioxide 

CONCENTRATION (vlv) REFERENCE 

± EPA UNCERTAINTY STANDARD 

ANALYZER EXPIRATION 

MAKE, MODEL, SIN, DETECTION DATE 

96.5 ± 0.5 ppm GMIS BovarM! Res Mode! 922M 8/4/2011 

CYLINDER f..: Serial f.. 9228379-1 

ALM003672 Continuous 

@ 116.9 ppmv UV Photometry 

REPLICATE 

ANALYSIS DATA 

8/4/2009 

96.5 ppm 

96.5 ppm 

96.6 ppm 

LAST CAL DATE: 7/20/2009 MEAN: 96.5 ppm 

Niirogen Balance 

ppm = umolelmole % = mole-% 

The above analyses were performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R97i121, dated 

Septem ber 1997. 

The above analyses are invalid if the cylinder pressure is less than 150 psig. 

ANALYST: f~ 

M.J.Monson 

(/ d Af-;'-

APPROVED: ____ ~~V~L~----·------------

J. T. Marrin 

The only liability of this company for gas which fails to comply with this analysis shall be rep:a~e , ent or reanalysis thereof by the company without eXlra cost. 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 
'3523J22E.D1 F' . lJ 1 /02 

[lCT -17-2DD:::: 1 E,: JE: 

sent By: SCOTT-MARRIN INC.; 

BRRF: a~G I ['lEER I t'iG 

19516532.130 j Oct-17-08 2:35PM; Page 1/2 

IIIII SCOTT-MARRIN, INC. 

653 1 BOX SPRJNGSBLVD. • RIVERSfDE, CA92507 

TELEPHONE (951) 653" 6780 ~ FAX (951) 653 - 2430 

I 

! 

Report Of AnaJysis 

EPA Protocol Gas Mixtures 

i 

Bf;RR01 

TO: Bim Engineering Co 

Atn: Pete Rossmiller 

7 90 OHMS Lane 

REPORT NO: 54050-006 

REPORT DATE: July 15, 2008:J 

CUSTOMER PO NO: 20080519AAGA 

E ina, MN 55439-2330 

(%2) 832·2634 I 

I 

i 

CYLlNdER NUMBER: CC74126 

I 

CYUNDERSIZE: 150A (141 sId CU ft) 

I 

COM!!,ONENT 

I 

I 

Sulfur diq,ads 

, 

Nitrogen \ 

i 

i 

I 

I 

i 

1 

j 

I 

I 

\ 

1 

, 

i 

I 

CONCENTRATION (v/v) REFERENCE 

± EPA UNCERTAINTY STANDARD 

261.9 ± 1.4 ppm 

Balance 

GMIS 

CYUNDER#; 

CC37810 

@ 287,7 ppmv 

ANALYZER 

MAKE, MODEL, SfN, OETfiCllQN 

Boverf\N Res Model 922M 

Serial # 9228379-1 

Continuous 

UV Photometry 

LAST CAL DATE: 7111/2008 

CYLINDER PRESSURE: 2000 psig 

EXPIRATION 

DATe 

REPLICATE 

ANAL YSIS DATA 

7/14/2010 6126120Q8 7!1412008 

26~.7 ppm 261.4 ppm 

262.5 ppm 261.9 ppm 

262.4ppm 262,0 ppm 

MEAN: 262.2 ppm 26U3 ppm 

ppm !: um~eJmOle % ;;; mol~% . 

Th@ above 4naIY,9$9 were parte/mea in accord.mce with Procedul'!l G10f the EPA Traceability Protocol, Report Number EPA·500IR97/121, dated 

September 1997. . 

The above ~nalyses are invalki If the cylinder pressure Is less than 150psig. 

ANALYSTj 

! : 

f1:::~~ . APPROVED: ---J:...!' 

~' .. _._. 

. 

_____ 

~ 

_ 

1>:M:J.Monson 7 J, r. Marrin . 

Tile only IIsbllj~.cif thJ~ ¢::)n'lpany tor g;\S which l~ils to CDrt'lp/y ,,~th ml~ ~nalY'J.l$ shall be rnpl<lO<ln<em or rean~lysls !hereof by the company Wllhout IlXlfa cost 

! STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 

\ 
51111 

BARRO: 

TO: Barr Engineering Co 

Attn: Pete Rossmiller 

7390 OHMS Lane 

Edina, MN 55439-2330 

(952) 832-2634 

SCOTT-tv'IARRIN, INC. 

6531 BOX SPRINGS BLVD. 0 RIVERSIDE, CA 92507 

TELEPHONE (951) 653 - 6780 '" FAX (95 n 653 -2430 

Report Of Analysis 

EPA Protocol Gas Mixtures 

REPORT NO: 53586-04 

REPORT DATE: April 24, 2008:..: 

CUSTOMER PO NO: 20080226A.A.GA 

CYLINDER NUMSER: CCt2700 CYLINDER SIZE: 'T5GA (:4i std ell ttl CYLINDER ;:>RESS~J~{E: 2000 f)sig 

COMPONENT 

Sulfur dioxide 

Nitrogen 

CONCENTRATION (v/v) REFERENCE ANALYZER EXPIRATION 

± EPA UNCERTAINTY STANDARD MAKE, MODEL,SIN,DETECTION DATE 

479 ± 2 ppm 

Balance 

GMIS BovarM! Res Mode! 922rv1 

CYLINDER #: Serial '# 9228379-1 

AAL 11136 

@ 566 ppmv 

Continuous 

UV Photometry 

LAST CAL DATE: ·3/3/2008 

4/2/2010 

MEAN: 

ppm = umolefmole % = mole-% 

REPLICATE 

ANALYSIS DATA 

3/2512008 4/?/2008 

477 ppm 479 ppm 

479 ppm 479 ppm 

479 ppm 480 ppm 

478 ppm 479 ppm 

The abOVe analyses were performed in accordance with Procedure G1 of the EPA Traceability Protocol, Report Number EPA-600/R971121, dated 

September 1997. 

T;he ab9ve analyses are invalid if the cylinder pressure is less than 150 psig. 

ANALYST: ~ APPROVED: ____ -+~ ______________ __ 

M.J.Monson J. T. Marrin 

The only liability of this company for gas INhich fails to comply with this analysis shall be replace em or reanalysis thereof by the company without extra CDS .. 

STANDARD CALIBRATION GASES IN ALUMINUM CYLINDERS 
Appendix G 

Visible Emissions Evaluator Certification 
r 

Engineering, Inc. 

~\'-" 5 0 I u f ion 5 f 0,. a C I) (] n gin 9 E n vir 0 11 rn e n f 

Certification of Visible Opacity Reading 

Tom Leier 

qualified to conduct EPA Method 9 Tests for visible opacity in accordance with the 

mej-hods esfablished for such quolificoUon in 40 CFf~ Port 60 Appendix A. 

Certification Date: October 8, 2009 Expiration Date: April 8, 2010 

AeroMet Instructor: WO-.t..fTUL-. R~ 

Wayne Redden 

<t: 

J: 

tVI 

IJJ 

u:: 

j::: 

n: 

IJJ 

u 

0 I-

~ (1) 

0 'ro 

-I !!: 

n: E 

LU 0 LIJ f- 2: 

(5 

2: 

IJJ 

tIoU 

=E 

0 

!Y. 

IoU 

<t 

0, 

'0 

o 

-:f: CJ 

lLI '1) ", ··_1 

CD "'2 ..;~ C" "'t V) U" 

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Cl Q: V) '0. '0 ",I lLJ :::-J lij ('J if ~ <.( '0 

i% Lij ,~ (') 

t" 1,1,.1 a,: \J t.{) UV)C 

o 2: ~ 0 V) 0 o. U o </) -<t: '0 V) 0 (J) ('0, 

til Q) :;::: '0 0 c: ~~ LQ "t: '-

~ 0 '- 0 ~ g CL (/) 

ill 0- 0 i:j ::> V) "'I' (l) 0 0 -:Jg ::::J 

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,:.:: !!!.. 

L 

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0_ 
Appendix H 

Process Operating Data 
Form ST-05 

Minnesota 

Pollution 

Control 

Agency 

Operating Data Summary For Process Sources 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (651)-296-6300 

6/9/06 

Test Date(s): ...:;1.;;,2/;.,,;1..;;.0;.,;;12..;;.0..;;,,09~ ________ _ Process Equipment Numberlldentification: ...:S;...V;...0;...4.:..;8~ _____ _ 

Company Name: United Taconite, LLC. 

Equipment & Operating Data 

I. Process Equipment Description: Line 2 Pellet Induration A side 

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) of last maintenance/cleaning within 6 months: DRemains unchanged from info. provided in test plan 

Between 12/3 and 12/13/08 Sandblasting of fans, cleaned and replaced water nozzles, cleaned ducting, cleaned drying zone manifolds, 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel t)'Pe(s) and 

ratios as appropriate 

Process Parameter: list type and units I Run 1 ! Run 2 i Run 3 

Greenball Feed, L TPH I 647 647 ! 648 : 

Fired Pellets, L TPH 527 526 i , 527 

Fuel Coal, TPH-wet 10.92 10.8 I 10.72 

Coal BTU content/lb, wet 14058 14058 14058 

Mbtu!hr . 304 , 

307 1 301 

Averae:e 

647 

527 

10.82 

14058 

304 

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): ~P (in. w.c.) and feed rate (gpm and psig) • Baghouse, Cyclone, and Multi-clone: tlP (in. w.c.) 

• Catalytic Incinerator :(OFin ,OFou,) and Thermal Incinerator: (OFtemoerature) • ESP: Number and identity of operating field(s) 

APC and parameter monitored I Run 1 i Run 2 i Run 3 Averae:e 

Delta P 10.67 i 10.73 i 10.7 10.7 

Scrubber Flow Rate, GPM i 2766 I 2769 2770 2768 1 

i 

1 

I i 

List pollutant & averaging basis.--should reflect permit ! Run 1 I Run 2 ! Run 3 Average 

Continuous Opacity Monitor(list hourly average) 1 I i I 1 , 

JMonitor (list averaging basis): I 

1 I , 

, I I 

IMonitor (list averaging basis): I i 

! , 

1 

Abbreviations: APC-air pollution control 

Ibs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

in. w.c.-inches of water column 

AP- 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 
Run 1: 

Run 2: 

Run 3: 

start 

12/10/09 11:02 

12/10/09 11: 17 

12/10/09 11:32 

12/10/09 11:47 

12/10/09 12:02 

end 

11:02 

12:39 

14:13 

12/10/0911:17 

12/10/09 11:32 

12/10/09 11:47 

12/10/09 12:02 

12/10/09 12:17 

Average 

start end 

12/10/09 12:39 12/10/09 12:54 

12/10/09 12:54 12/10/09 13:09 

12/10/0913:09 12/10/09 13:24 

12/10/09 13:24 12/10/09 13:39 

12/10/09 13:39 12/10/0913:54 

Average 

start end 

12/10/09 14:13 12/10/09 14:28 

12/10/09 14:28 12/10/09 14:43 

12/10/09 14:43 12/10/09 14:58 

12/10/09 14:58 12/10/09 15:13 

12/10/09 15:13 12/10/09 15:28 

Average 

12:09 

13:45 

15:19 

Line 2A 

dP 

10.58 

10.65 

10.70 

10.71 

10.70 

10.67 

Line 2A 

dP 

10.73 

10.76 

10.73 

10.71 

10.71 

10.73 

Line 2A 

dP 

10.82 

10.69 

10.75 

10.64 

10.59 

10.70 

L2AWG 

Flow 2 

2764.79 

2761.44 

2759.41 

2771.22 

2771.46 

2765.66 

L2A WG 

Flow 2 

2765.41 

2766.28 

2771.45 

2769.47 

2770.83 

2768.69 

L2AWG 

Flow 2 

2112.84 

2770.25 

2767.11 

2766.34 

2771.44 

2769.60 

Greenball 

Rate 

TPH 

643.38 

647.99 

645.49 

648.21 

649.52 

646.92 

Greenball 

Rate 

TPH 

645.00 

651.37 

644.83 

646.57 

648.77 

647.31 

Greenball 

Rate 

TPH 

646.83 

642.95 

654.47 

643.34 

653.12 

648.14 

Fired 

Pellet 

TPH 

523.75 

527.80 

526.26 

526.89 

527.96 

526.53 

Fired 

Pellet 

TPH 

523.32 

529.62 

525.30 

526.10 

527.05 

526.28 

Fired 

Pellet 

TPH 

527.10 

524.22 

530.91 

520.01 

531.47 

526.74 

12641.72 

548.1 

Fuel 

Coal 

TPH 

10.82 

10.94 

10.94 

10.96 

10.96 

10.92 

Fuel 

Coal 

TPH 

10.88 

10.94 

10.79 

10.71 

10.71 

10.81 

Fuel 

Coal 

TPH 

10.85 

10.80 

10.77 

10.60 

10.57 

10.72 

13154.4 4801356 

11838.96 
Form ST-05 ,t: .. z~ ~....... -- Operating Data Summary For Process Sources 

Minnesota 

Pollution 

Control 

Agency 

Minnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (651)-296-6300 

6/9/06 

Test Date(s): 12/8/2009 

~~~~~----------------- Process Equipment NumberlIdentification: ..;;S;..V;..0;;..4.;,;;9 ______ _ 

Company Name: United Taconite, LLC. 

Equipment & Operating Data 

I. Process Equipment Description: Line 2 Pellet Induration B side 

2. Were the process and control equipment operated consistent with normal procedures? YES: NO: DIfno, 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 

Between 12/3 and 12113/08 Sandblasting offans, cleaned and replaced water nozzles, cleaned ducting, cleaned drying zone manifolds, 

5. Process rate (amount ofraw 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 i Run 1 I Run 2 ! Run 3 

Greenball Feed, L TPH 631 i 632 634 

Fired Pellets, L TPH 508 513 , 515 

Fuel Coal, TPH wet ! 9.12 i 9.08 9.16 

Coal Heat Content BTU/lb , 14268 i 14268 14268 

Mbtu/hr I 260 ! 259 i 261 

Avera2e 

632 

512 

9.12 

14268.0 

260 

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): LlP (in. w.c.) and feed rate (gpm and psi g) • Baghouse, Cyclone, and Multi-clone: LlP (in. w.c.) 

• Catalytic Incinerator :(OFin ,oF out) and Thermal Incinerator: (OFtemverature) • ESP: Number and identity of operating field(s) 

APC and parameter monitored I Run 1 I Run 2 ! Run 3 Avera2e 

DeltaP ! 10.05 . 9.88 i 9.84 9.9 

Scrubber Flow Rate, GPM 2586 I 2585 2584 2585 i 

• 

i 

! : 

List pollutant & averaging basis.--should reflect permit I Run 1 ! Run 2 I Run 3 Average 

Continuous Opacity Monitor(list hourly average) i j I 

JMonitor (list averaging basis): i I 

IMonitor (list averaging basis): ! i : 

Abbreviations: APC-air pollution control 

Ibs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

in. w.c.-inches of water column 

LlP- 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-OS, Page 1 of 1 
Run 1: 

Run 2: 

Run 3: 

start 

12/8/09 10:43 

12/8/09 10:58 

12/8/09 11:13 

12/8/09 11:28 

12/8/09 11:43 

end 

10:43 

12:28 

14:28 

12/8/09 10:58 

12/8/09 11:13 

12/8/09 11:28 

12/8/09 11:43 

12/8/09 11:58 

Average 

start end 

12/8/09 12:28 12/8/09 12:43 

12/8/09 12:43 12/8/09 12:58 

12/8/09 12:58 12/8/09 13:13 

12/8/0913:13 12/8/09 13:28 

12/8/0913:28 12/8/09 13 :43 

Average 

start end 

12/8/09 14:28 12/8/09 14:43 

12/8/09 14:43 12/8/09 14:58 

12/8/09 14:58 12/8/09 15:13 

12/8/09 15:13 12/8/09 15:28 

12/8/09 15:28 12/8/09 15:43 

12/8/09 15:43 12/8/09 15:58 

Average 

11:53 

13:36 

15:53 

Line 2B 

dP 

10.15 

10.11 

10.01 

10.00 

9.98 

10.05 

Line 2B 

dP 

9.93 

9.72 

9.88 

9.79 

10.08 

9.88 

Line 2B 

dP 

9.98 

9.98 

9.80 

9.74 

9.74 

9.82 

9.84 

L2B WG 

Flow 1 

2584.21 

2582.31 

2586.71 

2588.74 

2586.33 

2585.66 

L2B WG 

Flow 1 

2585.02 

2583.86 

2587.59 

2583.17 

2587.24 

2585.38 

L2B WG 

Flow 1 

2584.20 

2582.44 

2589.08 

2583.10 

2582.44 

2583.77 

2584.17 

Greenball Fired Fuel 

Rate Pellet Coal 

TPH TPH TPH 

636.31 514.67 8.95 

628.36 508.57 9.21 

633.45 511.77 9.33 

624.65 501.32 9.14 

630.14 505.51 8.96 

630.58 508.37 9.12 

Greenball Fired Fuel 

Rate Pellet Coal 

TPH TPH TPH 

628.76 510.25 9.16 

633.81 515.71 9.17 

629.81 511.15 9.08 

636.27 515.87 8.98 

632.20 513.04 9.02 

632.17 513.20 9.08 

Greenball Fired Fuel 

Rate Pellet Coal 

TPH TPH TPH 

633.98 514.93 8.87 

631.96 513.90 9.11 

632.42 513.02 9.21 

635.47 514.38 9.22 

634.09 514.98 9.12 

637.19 516.94 9.42 

634.18 514.69 9.16 
,!.::z~ Form ST-05 

--- tEE 

Minneso1:a 

Pollu1:ion 

Con1:rol 

Agency 

Operating Data Sunnnary For Process Sources 

Minnesota Pollution Control Agency 

520 Lafayette Rd. K. Saint Paul, IVIN 55155-4194 (651J-296-6300 

6/9/06 

Test Date(sJ: 12i1512009 Process Equipment Numberiidentification: ...;S_\_71...;1...;6~ _____ _ 

Company Name: United Taconite. LLC. 

Equipment & Operating Data 

1. Proces~ Equipment Description: Line 1 Kiln Cooler Discharge (New) 

Were the process and control equipment oper31ed consistent with normal pro:edures" 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 hOUL pounds per hour. pressure. air flow. etc. 

4. Datel S} and pro:edure(s i of last maintenance/cleaning within 6 months: II]Remains unchanged from info. provided in test plan 

5. Process rate (amount of raw material or finished product per hour. wet or dry basisl while combusting (list fuel type(s) and 

ratios as appropriate 

Process Parameter: list type and units Run 1 Run 2 Run 3 Average 

Greenball Pellets. TPH 290 286 295 290 

Fired Pellets, TPH 247 244 252 247.5 

6 Summarize control equipment operating data documented during testing. Values reponed should reflect maximum. minimum, averages. or as 

approved in the test plan. (See tes: plan and approval lette(1 

Examples of APC equipment and parameters generally monitored. Monitor as in test plan and/or approval letter. 

0 Scrubber (list type of scrubber): M (in. w.c.) and feed rate (gpm and psi g) • 

• Catalytic Incinerator :(OFin • OF outl and Thermal Incinemtor: (OF1emmr:;:;.rur::!) 0 

APC and parameter monitored Run 1 

Delta P ,1 ) "'1" • .;..- i 

Scrubber Flow Rate, GPM 33.5 i 

i 

I i 

I I 

i 

List pollutant & averaging basis.--should reflect permit i Run 1 ,I 

Continuous Opacity Monitor(iist hourly average) i I 

Monitor (list averaging basis): ! i I 

Monitor (list averaging basis): 

Abbreviations: APC-air pollution control 

lbs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

Baghouse, Cyclone, and Multi-clone: M (in. w.c.) 

ESP: Number and identity of operating fieJd(s.i 

Run 2 Run 3 

4.22 , 4.07 

115.9 ! 115.6 

i 

Run 2 i Run 3 

i 

I 

i 

in. w.c.-inches of water column 

~P- pressure drop 

AYerage 

4.2 

88 

Average 

Note: This form provides only a summary of the operating conditions during tbe 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 pan of tbe performance test report. 

aq-f6-ST05 Form ST-05, Page 1 of 1 
Run 1: 8:23 10:32 

Run 2: 11:00 12:19 

13:42 14:28 

Run 3: 14:51 16:54 

Greenball Fired 

Cooler New Cooler New Rate Pellets 

start end Flow dP TPH TPH 

12/15/09 8:23 12/15/09 8:33 34.04 4.11 290.06 245.94 

12/15/09 8:33 12/15/098:43 34.77 4.11 290.41 247.64 

12/15/098:43 12/15/098:53 34.00 4.11 289.70 246.15 

12/15/09 8:53 12/15/09 9:03 33.78 4.11 289.07 244.66 

12/15/09 9:03 12/15/09 9:13 Bad Bad Bad Bad 

12/15/09 9:13 12/15/09 9:23 Bad Bad Bad Bad 

12/15/099:23 12/15/099:33 32.87 4.24 290.44 245.47 

12/15/09 9:33 12/15/09 9:43 33.03 4.24 290.30 247.45 

12/15/099:43 12/15/09 9:53 33.17 4.24 290.11 247.96 

12/15/09 9:53 12/15/09 10:03 33.31 4.24 289.28 246.51 

12/15/09 10:03 12/15/09 10:13 33.52 4.24 289.42 248.49 

12/15/09 10:13 12/15/09 10:23 32.77 4.24 289.58 247.59 

12/15/09 10:23 12/15/09 10:33 33.02 4.24 289.35 246.84 

Average 33.48 4.20 289.79 246.79 

Process data collection system unavailable during this time. No process 

upsets experienced while data collection system was down. 

Greenball Fired 

Cooler New Cooler New Rate Pellets 

start end Flow dP TPH TPH 

12/15/09 11:00 12/15/0911:10 114.74 4.24 289.97 246.52 

12/15/09 11:10 12/15/09 11:20 116.60 4.24 289.02 245.61 

12/15/09 11:20 12/15/09 11:30 115.52 4.24 290.51 247.25 

12/15/09 11:30 12/15/09 11:40 114.74 4.24 289.58 246.92 

12/15/09 11:40 12/15/09 11:50 116.32 4.24 289.87 247.48 

12/15/09 11:50 12/15/09 12:00 116.90 4.24 289.02 246.76 

12/15/09 12:00 12/15/09 12:10 115.13 4.24 289.46 245.80 

,.12/15/09 12:10 12/15/09 12:20 116:03 . 4.24. .. 217.11 186.65 

12/15/09 13:42 12/15/09 13:52 115.31 4.20 295.18 252.26 

12/15/09 13:52 12/15/09 14:02 115.23 4.44 294.70 250.74 

12/15/09 14:02 12/15/0914:12 116.27 4.09 295.29 251.78 

12/15/0914:12 12/15109 14:22 116.40 4.07 294.53 252.22 

12/15/09 14:22 12/15/09 14:32 116.82 4.07 295.32 252.22 

Average 115.85 4.22 286.12 244.02 
start 

12/15/09 14:51 

12/15/09 15:01 

12/15/09 15:11 

12/15/09 15:21 

12/15/09 15:31 

12/15/09 15:41 

12/15/09 15:51 

12/15/09 16:01 

12/15/09 16:11 

12/15/09 16:21 

12/15/0916:31 

12/15/09 16:41 

12/15/0916:51 

Cooler upset resulted in a temporary break in testing. Drop in process data 

reflects the upset conditions. 

Greenball Fired 

Cooler New Cooler New Rate Pellets 

end Flow dP TPH TPH 

12/15/09 15:01 116.17 4.07 295.06 252.07 

12/15/0915:11 115.65 4.07 295.33 251.97 

12/15/09 15:21 115.61 4.07 294.87 251.27 

12/15/09 15:31 116.38 4.07 295.39 251.81 

12/15/09 15:41 115.66 4.07 295.04 252.04 

12/15/09 15:51 115.45 4.07 295.33 251.93 

12/15/09 16:01 116.31 4.07 294.37 249.95 

12/15/0916:11 116.15 4.07 295.39 251.97 

12/15/0916:21 114.57 4.07 295.83 252.56 

12/15/09 16:31 114.03 4.07 295.14 251.45 

12/15/09 16:41 114.66 4.07 295.89 252.84 

12/15/0916:51 116.07 4.07 295.31 252.22 

12/15/0917:01 115.88 4.07 294.64 250.93 

Average 115.58 4.07 295.20 251.77 
Form ST-05 

Operating Data Sunlmary For Process Sources 

Minneso1:a 

PoUu1:ion 

Control 

Agency 

I'vIinnesota Pollution Control Agency 

520 Lafayette Rd. N. Saint Paul, MN 55155-4194 (6511-296-6300 

Test Date(s): 12116/2009 Process Equipment NumberlIdentification: SV047/EU(J41 

Company Name: United Taconite. LLC. 

Equipment & Operating Data 

I. Proceso, Equipmem Description: Line 1 Pellet Cooler Exhaust 

\Vere the pro:es, and control equipmem operated conslstem with normal pro:edures~' 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.c. unit, 

per hour. pounds per hour. pressure, air flow. etc. 

4. Date\s I and pro:edurc\s) of last maintenance/cleaning within 6 months: DRemains unchanged from infG. provided in test plan 

Within a 60 day period. emergency patching was done to SlOp leaks in the cooler. 

5. Process rate (amount of raw material or finished product per hour. wet or dry basisl whiie combusling (list fucltype(s 1 and 

ratios as appropriate 

Process Parameter: list type and units Run 1 Run 2 Run 3 Average 

Greenball Feed. TPH 295 295 295 295 

Fired Peliets. TPH ..,-.., _J_ 251 251 251 

6 Summnrize control equipment operating data documented during testing. Values reponed 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!: ~ (in, \\.C.) and feed rate (gpm and psig) • 

• Catalytic Incinerator :(OF," ."Foell) and Thermal Incinerator: (OFtenmerarure) • 

APe and parameter monitored Run 1 I 

N/A , 

I 

i 

i , 

, 

List pollutant & averaging basis.--should reflect permit' Run 1 ! 

Continuous Opacity Monitor(Iist hourly average) , 

Monitor (list averaging basis): ! 

Monitor (list averaging basis): : 

Abbreyiations: APC-air pollution control 

lbs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

Baghouse. Cyclone, and Multi-clone: ll.P (in. \\.C.I 

ESP: Number and identity of operating field(s'l 

Run 2 , Run 3 

I 

! 

Run 2 i Run 3 

i 

, 

in. \\ .. c.-inches of water column 

ilP- pressure drop 

Average 

Average 

Note: This form provides only a summary of the operating conditions during the performance test. Additional and more detailed records nre required 

to meet the requirements ofi\'linn. R. 70 ]7,2035. subp. 3. This form is 10 be submilled as pnrt of the perfo 

aq-f6-ST05 Form ST -05, Page 1 of 1 
Line 1 Pellet Cooler 

Run 1: 

Run 2: 

Run 3: 

start 

12/16/098:19 

12/16/09 8:34 

12/16/09 8:49 

12/16/09 9:04 

12/16/09 9:19 

end 

8:19 

10:19 

11:56 

12/16/09 8:34 

12/16/09 8:49 

12/16/09 9:04 

12/16/09 9:19 

12/16/09 9:34 

Average 

start end 

12/16/0910:19 12/16/09 10:34 

12/16/09 10:34 12/16/09 10:49 

12/16/09 10:49 12/16/09 11:04 

12/16/09 11:04 12/16/0911:19 

12/16/09 11:19 12/16/09 11:34 

Average 

start end 

12/16/09 11:56 12/16/0912:11 

12/16/0912:11 12/16/09 12:26 

12/16/09 12:26 12/16/09 12:41 

12/16/09 12:41 12/16/09 12:56 

12/16/09 12:56 12/16/0913:11 

Average 

9:33 

11:26 

13:02 

Greenball 

Rate 

TPH 

294.37 

294.70 

295.34 

294.65 

296.33 

295.08 

Greenball 

Rate 

TPH 

294.80 

295.14 

294.65 

294.90 

294.51 

294.80 

Greenball 

Rate 

TPH 

294.74 

295.61 

295.19 

295.24 

295.18 

295.19 

Fired 

Pellets 

TPH 

252.05 

251.57 

251.68 

251.50 

253.67 

252.09 

Fired 

Pellets 

TPH 

250.70 

251.32 

250.97 

251.35 

251.44 

251.16 

Fired 

Pellets 

TPH 

250.76 

252.09 

251.02 

250.80 

251.42 

251.22 
Appendix I 

Stack Test Plan 
loms.com 

Minnesota Pollution 

Control Agency 

520 Lafayette Roael 

S:.Paul.l.,.\N 55155-4194 

Air Performance Test Form 

Performance Test Plan Approval 

Facility Information (please print) 

Facility name: United Taconite. LLC. AO#:: 

Facility contact: Ms. Candice Maxwell. Environmental Engineer 

Address: 1200 West Hwy. 16. Forbes, iv1N 55738 

Phone: 

Line 1 Pellet Cooler (EU041), Line 1 Kiln Cooler Discharge (SV116 new, not yet in permit), Line 2 Induration 

Unit(s) to be tested: Stacks 2A and 28 (EU042/SV048 & SV049) 

Scheduled for: December 8, 2009 at your facility located in: ---,V...:..irc.;;;g",in..:.:.i::.:.a,--. ______ _ iv1innesota. 

Test Plan 

Submitted on (date): November 16, 2009 Discussed on (date): November 30, 2009 

Your test plan has been approved by the Minnesota Pollution Control Agency (MPCA) as follows: 

Shortened test notification approved 

D Test plan approved without modification 

[g] Test plan approved with the following provisions: 

1. At the time of the pretest meeting, Line 1 remained down. This will affect testing schedule and may further 

postpone testing of Line 1 stacks. If test is iurther delayed the facility is to contact the MPCA to provide status 

updates and upon successful start-up to determine appropriate schedule for testing. 

2. February, 2007 test on SV022 will count towards schedule of GP003. Next test for Group due in 2012 on 

SV023. 

3. SV116 to be tested for corrective action to establish new minimum operating limit fOl' Taconite NESHAP. 

4. Communicate the facility's intent for each stack's test with regard to applicable standards, emission results, and 

operating limits in the test report. 

5. Along with pellet processing data include combustion data as summary of operating data. At a minimum 

provide fuel usage rate as well as heat input. 

6. Please be reminded all periods indicating noncompliance with emission limits must be reported to the MPCA. 

This includes any periods of engineering tests. Operaiing at a rate other than that required by the current air 

permit must also be reported. Deviations ultimately need to be reported on the facility's semiannual deviation 

and annual compliance certification forms. 

7. Label on CD copy should include: Facility Name, AO File No., Emission Unit Designator, and Test Date. 

Attached Forms 

[g] Operating Data Summary - Combustion Sources 

[g] Operating Data Summary - Process Sources 

[Zl Certifications Form 

[Zl Performance Test Report Completeness Criteria 

D Operating Data Summary - Waste Combustors 

D Operating Data Summary - Asphalt Plants 

[Zl Microfiche/CD-ROM Submittal Form 

Note: Forms are also available at www.pca.state.mn.us/airiperformancetesLhtml 

aq-l6-08 

5/1/07 Page 1012 
Approved by: 

Andrew Place, Pollution Control Specialist 

Compliance and Enforcement Unit 

Minnesota Pollution Control Agency 

Date: December 3. 2009 

Please contact me at 651-757-2652 if you have any questions regarding this approval. 

Please be aware that enforcement action will be taken for performance test failures indicating emissions above applicable limits 

(excess actual emissions to the environment). Failures commonly result in assessment of a monetary penalty. Upon the first test 

failure, the Company should take immediate measures to minimize emissions. The measures taken should be documented, as they 

will become part of the record of corrective actions. 

Hard Copy Performance Test Reports and Microfiche or CD Copy submittals will be addressed to: 

Air Qualit)1 Compliance Tracking Coordinator 

Minnesota Pollution Control Agency 

520 Lafayette Road North 

S1. Paul, Minnesota 55155-4194 

cc: Tom Kuchinski, Barr Engineering (email) 

Steve Palzkill, MPCA (email) 

aq-f6-08 

5/1/07 Page 2 of 2 
Test Pian 

For A Taconite Production Facility 

United Taconite, LLC 

FORBES, MINNESOTA 

Date Test Plan created/revised: November 12, 2009 

Scheduled Test Dates: December 8-15, 2009 

PART I: General Information 

i Emissions facility 

I location 

I United Taconite, LLC 

1200 West Hwy 16 

Forbes, Minnesota 

55738 

i Facility contact 

! 

i Candice Maxwell 

! Environmental Engineer 

I United Taconite, LLC 

! P.O. Box 180 

I

i Eveleth, Minnesota .55738 

(218)744-7849 

(218) 744-7635 (fax) 

Minnesota Air Emissions Permit Number: 13700113-004 

AQD File Number: 869A 

Reason emissions units are to be tested: 

Testing company contact 

Dan Kaschak 

Sr. Air Quality Technician 

Barr Engineering Company 

312814tn Avenue East 

Hibbing, MN 55746 

(218)225-8635 

Testing will be performed to comply with Title V permit requirements for SV023. SV047, SV048, 

and SV049. The Line 1 Kiln Cooler discharge scrubber (new) (SV116) will be tesTed to re-set 

parametric parameters for MACT RRRRR. The Line 1 Pellet Cooler will be tested to satisfy 2008 

testing and 2009 since the line was unexpectedly shut down and could not be tested prior to the 

end of 2008. Two tests will be conducted during this mobilization on the Line 1 Pellet Cooler to 

satisfy both 2008 and 2009 annual testing requirements. 

The table below provides the emissions units' plant nomenclature and permit identification. Stack 

drawings showing stack dimensions and test port orientation and locations relative to airflow 

disturbances are attached. 

Process unit Emissions unit Stack vent I Group No. 

nomenclature number number 

7F Fine Crushing EU017 SV023 003 (Title V) 

Line 1 Pellet Cooler EU041 SV047 -- Exhaust 

Line 1 Kiln Cooler EU039 I SV116 

Discharge (new) I--

East Line 2 EU042 SV048 -- Induration Stack 2A 

West Line 2 EU042 I SV049 

Induration Stack 28 I--
PART II: Testing Requirements 

The following table identifies pollutants to be determined: applicable emissions limit and units, 

and associated regulation for each emissions unit and stack vent. 

; Process unit I Limitation Basis of Pollutant 

: nomenclature I Tested , I 

7F Fine 

Crusher 

(SV023) 

I 

I

I Total particulate matter: less 

than or equal to 0.3 grains 

I per dry standard cubic foot of 

I exhaust gas unless required 

I 

to further I'educe emissions to 

comply with the less stringent 

I limit of either Minn R. 

,----------1

1 

7011.0730 or Minn R. 

Line 1 Pellet 7011.0735 

Cooler I' 

Exhaust I Minn R. 7011.0715, subp. 

(SV047) 1 (A), subp.3. and subp 1 (8) 

I 

I I Line 2 Waste 

I Gas Stack 

i 2A (SV048) 

LJ i I 

I 

Line 2 Waste 

Gas Stack 

28 (SV049) 

Total particulate matter: less 

than or equal to 0.3 grains 

per dry standard cubic foot of 

exhaust gas unless required 

to further reduce emissions to 

comply with the less stringent 

limit of either Minn R. 

7011 .0730 or Minn R. 

7011.0735 

Minn R. 7011.0610, subp. 

1 (A) (1) and Minn R, 

7011.0715, subp 1 (A), subp 3 

and subp 1 (A)(2) 

Sulfur Dioxide: less than or 

equal to 4 Ibs/million Btu heat 

input using 3 hour rolling 

average when a solid fossil 

fuel is burned 

Minn. R. 7011.060 subp. 

2(B). 

Testing requirement: 

Minn R. 7017.2020, subp. 1. 

Sulfur mass balance 

Pollutant 

Tested/Permit Limit 

Total ParticulateLimi~ to comply vvith 

Industrial Process 

Equipment Rule 

(I PER) 

Opacity: 

Less than or equal 

to 20 percent 

Total Combined 

ParticulateLimit to comply with 

Industrial Process 

Equipment Rule 

(IPER) 

Opacity: 

Less than or equal 

to 20 percent each 

stack 

Sulfur Dioxide: 

Less than or equal 

to 4 Ib/million Btu 

Specific 

Methods/Procedures 

Required Citation 

EPA Method 1-5 

40 CFR Part 60 Appendix 

A 

and 

EPA Method 202 

40 CFR Part EPA 51, 

Appendix M 

3 -test runs to collect >32 

dscf 

lone-hour opacity 

observation period 

I EPA Method 1-5 

! 40 CFR Part 60 Appendix 

! A 

and 

OTM 028 for 

condensibles 

Three test runs to collect 

>32 dscf 

1 one-hour opacity 

observation period 

(may need to read 2A 

and 28 opacity 

Simultaneously if steam 

plumes combine) 

EPA Method 6C- Three 

one-hour runs 

Sulfur mass balance: 

Stack emissions S02, 

fuel, green ball and 

taconite sampled and 

analyzed for sulfur 

content. Daily composite 

of each material. 

Testing will be performed 

on consecutive days for 

the SV048 and SV049 

2 
Process unit 

nomenclature 

Line 1 Kiln 

Cooler 

DischargeNew 

(SV116) 

Limitation Basis of Pollutant 

Tested 

MACT RRRRR 40 CFR Part 

63.9590 Table 1 

Part III: Operating Conditions 

I

I Pollutant 

Tested/Permit Limit 

Filterable 

particulate less 

than or equal to 

0.008 grains per 

dry standard cubic 

foot of exhaust gas 

flow for the flow 

weighted average 

for applicable 

MACT group 

I Specific 

i Methods/Procedures 

! Required Citation 

i stacks 

II

I 

EPA Method 1-5 

I 40 CFR Part 60 AppendiX I 

A II 

Three-120 minute test 

runs 

I Process equipment description for units to be tested 

I Emission Unit #(s) I Stack Vent # Description 

I EU017 I SV023 I Fine crushing of taconite ore 

I EU041 I SV047 I Line 1 pellet cooling after induration 

I EU039 SV116 I Line 1 kiin cooler discharge-new scrubber 

I EU042 SV048, SV049 I Line 2 induration process waste gases 

Process Parameters to be Monitored: all units to be tested at 90 percent or greater of 

maximum production 

I Emission Unit #(s) I 

Process Units Frequency I Range Parameter 

lOre Crushing I Long tons/hour 

I 

EU017 I rate 15 minutes 

I 

330-430 

I EU041 (Line 1) Greenball Feed i 

Rate Long tons/hour 15 minutes I 250 

EU039 (Line 1) I Fired Pellets Long tons/hour 15 minutes 210-230 

Greenball feed Long Tons per 15 minutes 630 rate hour 

Finished pellet Long Tons per 15 minutes -600 production rate, hour 

EU042 (Line 2) 

Coal/coke 

I 

Tons/hour 15 minutes -7.0-9.0 blend fuel input 

1 sample per 

run 

Fuel sample grab composited -- for one 

analysis per 

day 

3 
Control equipment 

ID 

I Control equipment 

I description 

Monitored parameters 

Control device parameters recorded at 

minimum of 15 minute intervals during the test 

i CEOI8, SV023 

7F fine crusher 

'II Wet scrubber high 

efficiency w/out lime 

Scrubber water flow rate, gpm 

Pressure drop across scrubber, inches w.c. 

I SV047 

I Line 1 Pellet cooling 

I CE065, SV116 

i Line 1 Kiln Cooler 

i Discharge (new) 

i None 

I 

, 

I 

Wet scrubber high 

efficiency w/out lime 

I 

i Wet scrubber high 

none 

Scrubber water flow rate, gpm 

Pressure drop across scrubber, inches w.c. 

i CE049, SV048 i Scrubber water flow rate, gpm 

I CE050, SV049 

! 

I efficiency w/out lime i Pressure drop across each scrubber. inches I ' 

I w.c. 

Part IV: Test Methods 

All tests will be performed using the following USEPA reference test methods. 

I Test methods 

!I Method 1 I Sample and Velocity Traverses for Stationary Sources. Once per 

, J location 

I 

Method 2 I EPA Method 2 for stack gas velocity and volumetric flow rate. 

i One determination per EPA Method 5 test run. 

Method 3A I I EPA Method'" ..) or 3A to determine s'ack l gas molecular weight I at 

I the Line 2 Waste Gas stacks All other sources are nonI combustions sources and ambient concentrations for oxygen and 

I carbon dioxide are expected. A portable oxygen meter will be 

I I used to verify ambient sources 

! Method 4 I EPA Method 4 for determination of moisture content in stack gas 

will be performed in conjunction with EPA Method 5/202 or OTM 

028 testing. 

Method 5 EPA Method 5for the determination of filterable particulate matter. 

Three test runs at least 60 minutes in length obtaining >32 dscf 

sample volume. MACT testing will be 120 minutes 

Method 202 EPA Method 202 for condensible particulate matter. SV023 and 

SV047 

EPA Sulfur Dioxide. Instrumental procedure. 3- 60 minutes sample 

Method 6C periods per stack 

Method 9 EPA Method 9 on all Title V sources. 1 hour of readings per 

source 

OTM 028 Condensible particulates determined from the 2A and 2B waste 

gas stacks in conjunction with the EPA Method 5 

4 
Part V: Continuous Emissions Monitors 

There are no operating CEMS at these locations. 

Part VI: Other 

Particulate emissions will be reported in gr/dscf. Ib/hour and Ib/long ton of process feed (i.e. 

greenball, fired pellets or ore feed rates). EP.A 5/202 or OTM028 results will be reported as 

filterable, filterable plus organics and "total" including: filterable, organic condensible and aqueous 

phase condensibles. Filterable plus organic will be used to compare to the MN rules limits. The 

total represents PM1 0/PM2.5 and may be used for emission inventory purposes. MACT test 

results at SV116 will be reported as filterable particulate in grains/dry standard cubic foot of 

exhaust gas. 

SV048 and SV049 waste gas stacks are scheduled to be tested on consecutive days. Sulfur 

dioxide will be reported as Ib/hour and Ib/fvHv1Btu. A composite fuel sample (coal/coke blend) will 

be analyzed for Btu content, moisture and sulfur content. Composite fuel, green balls and fired 

pellets will be analyzed for sulfur content to be used in the mass balance to determine S02 

removal efficiency. Sulfur mass balance will be reported as percent removal efficiency. 

The test report will be submitted on or before the 45th day from the last day of testing within the 

mobilization. 

Test Dates: December 8-15, 2009. The proposed test schedule follows i: 

Monday Tuesday \Vednesday Thursday Friday 

December 7, 2009 December 8. 2009 December 9. 2009 December 10, 2009 December 11, 2009 

Test Test Test Test 

Test Line 2B Waste Gas Line 2A \\'aste Line 1 Kiln Cooler Line 1 Pellet 

Line 1 Pellet Stack SV049 Gas Stack SV048 Discharge Cooler Discharge 

Cooler Discharge SV1l6 SV047 (test:2 for 

SV047 (test 1 for 3 one- hour runs 3 one- hour runs 3 two- hour runs 2009) 

2008) Particulate. S02 Particulate, S02 particulate-MACT 3 one- hour runs 

3 one- hour runs lone-hour - lone-hour - Particulate 

Particulate Opacity Opacity 0700-1700 lone-hour run 

lone-hour run 0700-1400 0700-1400 Opacity 

Opacity 0700-1400 

0700-1400 

Setup 

Setup Line 2A Waste 

Line 2B Waste Gas Stack 

Gas Stack SV049 SV048 

1400-1500 

1200-1600 

5 
Monday Tuesday 

December 1.:1. December 15. 

2009 2009 

Tes! 

Fourth Stage 

Crusher #7 

SV023 

3 one hour runs 

particulate 

lone-hour run 

Opacity 

0700-1700 

1 The test schedule may be modified prior to the test dates 

United Taconite and Barr Engineering contacts will make themselves available for a pretest 

meeting prior to November 30,2009. At the preference of the MPCA, United Taconite suggests 

the pretest meeting be conducted by telephone. 

Maintenance: A description of any necessar)' work done within 30 days prior to the test and the 

normal maintenance schedule followed will be included in the test report. 

Test Reports: One hard copy and one electronic copy in .pdf format on CD of the test report 

will be submitted to the MPCA on or before the 45 day from the last test date of the mobilization 

Test plans and report submittals will be addressed to: 

Andrew Place 

Performance Test Coordinator 

Minnesota Pollution Control Agency 

520 Lafayette Road 

St. Paul, MN 55155-4194 

Closing Remarks 

If there are questions or comments about the information provided, please contact me by 

telephone or e-mail. 

Candice Maxwell 

Environmental Engineer 

United Taconite, LLC 

Attachments: 

Figure 1-5; SV023, SV047, SV048, SV049, SV116-Test port location drawings 

c: Dan Koschak-Barr Engineering Company 

6 
Dan Koschak 

From: 

Sent: 

Place. Andrew (MPCA) [Andrew.Place@state.mn.us] 

Wednesday, December 09,20092:34 PM 

To: Maxwell, Candice A. 

Cc: 

Subject: 

Tom Kuchinski; Dan Koschak; Aagenes, Jason D. 

RE: United Taconite - Day 2, Line 2A Stack Testing 

after lon10iT()\\' e)r Y(IUr pruc..:~~sin~ r:J.r:.lnlel~r chdngc~ i~~~ Inc' kn(l\~. C)thej"\Vl:.;t' 

is::;u::~. in th,-' report. 

ThullL~. 

P/(!(:t 

ivlinnesora Fi.J!luLit)rt Cunrrol.:'-l.gcnc:" 

52U 1 ,Jfayertl~ Fc,<1d 

St. PZ111L JdJ\ 55155-,:,P~j~ 

Andrew. Placel(i!state .mn. us 

Andre··.Plac@@,?CC1.St2te.:;rln.us 

From: Maxwell, Candice A. [mailto:Candice.Maxwell@cliffsnr.com] 

Sent: Wednesday, December 09, 2009 12:24 PfvJ 

To: Place, Andrew (fvJPCA) 

Cc: Tom Kuchinski; 'Dan Koschak'; Aagenes, Jason D. 

Subject: United Taconite - Day 2, Line 2A Stack Testing 

Good Afternoon Andy, 

As follow up to our conversation this morning, we have postponed the Line 2A stack testing until tomorrow due to 

unfavorable wind conditions directing the plume of 2B onto the 2A testing platform. Assuming the wind changes 

directions and is not impeding testing on 2A, we will complete the Line 2 portion of our stack testing tomorrow (12/10). 

United Taconite is not anticipating any process changes within the next 24-48 hours. 

Please let me know if you have any questions or need any additional information. 

Thank you, 

CLIFFS 

P 2Ei.744.7G4~· ;::: 218.7.:1.:1.7635 candice.maxwell@clifisnr.com 

CLIFFS NATURAL RESOURCES 

Uniied Taconite LLC 

PO Box 180, Eveleth, MN 55734 

1 
Dan Koschak 

From: 

Sent: 

To: 

Cc: 

Subject: 

Place, Andrew (rv1PCA) [Andrew.Place@state.mn.us] 

Tuesday, December 08, 2009 4:19 PM 

Maxwell. Candice A. 

Tom Kuchinski; Dan Koschak 

RE: Opacity Readings 

Thai :-..ounLi~ ~k\ .. \:p~uhk·. if' ~':Uli ~!.ppc.ai- ttl h:,::~ii; J!~~\·ir!; curnpliancc i~:-';LI(:~:· clUe' l(, til:: ;-;l~L ... L p~LllTI'':_~ h;..·ill~ L·i..Hrlt,jnc~ll L'Ui1t~lCt 

111C~ anci \\:~ can di.<_:us~ !lCl\\ LC1 pro:.:c~·.d ane h~Uk!I:: tjeL' dat~t currcntl~ collecled. ()lhc;,\,. i:'"\~'. "l \\'il; it:Si !eli,':!,_ LJr~: LCIJ11bincd 

opacity 1:::';: iri Iil:.: r~~p:~)rL Pi~..:asc.' h~t\':~: ~run: nUle lh:.:: :;,ltuallun \Vit!lin lh(: ri:.~pun ~!:; \,::::?L, 

lvlinncs(;Lu P':JllULic;:-l C(:T1Lrol_ 

52U LarJye[[t' R(~Jcl 

St. Paul; fvl!\ 55!55-4i9~ 

Andre\\·.Place(G'state.mn.llS 

~!\.ndrev·. P13cQ~c'I)~:..s~a te .111:1. us 

From: rvJaxwell, Candice A. [mailto:Candice.fvlaxwell@c1iffsnr.com] 

Sent: Tuesday, December 08, 2009 4: 15 PM 

To: Place, Andrew (MPCA) 

Cc: Tom Kuchinski; 'Dan Koschak' 

Subject: Opacity Readings 

Good Afternoon Andy, 

I received word from Tom Kutchinski that they have been taking opacity readings from the combined plume of Line 2A, 

2B, and Line 1 waste gas stacks with little incident. I will let you know if we experience any further problems. 

Thanks again for returning my call this afternoon. Please let me know if you have any questions. 

Candice 

CLIFFS NATURAL RESOURCES 

United Taconi1e LLC 

PO Box 180. Eveleth, fvlN 55734 

This electronic message and any attachments included with this message are for the exclusive use of the 

individual or entity to which it is intended to be addressed. This message may contain inf01mation that is 

1 
b5!-7S-:-2b52 

/\nclreV;. PIJ.Ct·!.~1~.--)r2 ~!_'. niL. U~ 

A++f!-rL'\\ .~!J~:-':Z:·p~~-a~.;-:"!r;.:..:£ 

From: Maxweli, Candice A. [mailto:Candice.Maxwell@cliffsnr.com] 

Sent: Wednesday, November 18, 2009 10:30 AM 

To: Place, Andrew (MPCA) 

Cc: Aagenes, Jason D.; Tom Kuchinski; Dan Kaschak 

Subject: RE: December Stack Test Plan for United Taconite 

Good Morning .4noy. 

Thank you for your response. \IIJe wili remove S\l023 frorn the December test plan and proceed with testing S\/023 prio!' 

to February 201:::. 

Would you be available f'Jovember 30 at 10:00 a.m. for the pt'etest rneeting-;:' Piease let me know if that wil! work into 

your schedule. 

Thanks and have c: g!'eat daV, 

CandiCe 

candice. maxwell @cliffsnr.com 

CLIFFS NATURAL RESOURCES 

United Taconite LLC 

From: Place, Andrew (MPCA) [mailto:Andrew.Piace@state.mn.us] 

Sent: Tuesday, November 17, 2009 3:18 PM 

To: Maxwell, Candice A. 

Cc: Aagenes, Jason D.; Tom Kuchinski; Dan Kaschak 

Subject: RE: December Stack Test Plan for United Taconite 

Candice. 

Allowing SVU2~ to be tc:slc:d is acceptable. 1 C~!ll'l j~nd a strong reason for the: sLacL ordc:r in rhe permit either. I think [he 

best and leasl confusing way to handle this \\ould be to move SV022 up in the rolaLion and then just go back to [he order 

outlined in the permit. So, SV023 would be tested no;! sometime prior to February. 2012. \Ve can discus:; the test plan 

and rest of the units to be tested in a couple w;:;eks. How docs that sound? Aft;:;]' you :=;ee what 'works as a facility, let me 

know a time that you would like (0 do the pretesl meeting. 

Thanks, 

Andy Place 

Performance Test Coordinator 

Minnesota Pollution Control Agency 

520 Lafayette R.oad 

St. Paul. MN 55155--P94 

651-75;-:~·652 

Andrew.Place@state,mn.us 

2 
Appendix J 

Project Participants 
Project Participants and Contact Information 

Minnesota Pollution Control Agency 

Andrew Place - Performance Test Coordinator 

United Taconite, LLC 

Jason Aagenes - Manager, Minnesota and Canadian Environmental Affairs 

Candice Maxwell -Environmental Engineer - Plant 

Barr Engineering Company 

Tim Russell - Vice President/Chemical Engineer 

Tom Kuchinski - Stack Testing Supervisor 

Dan Koschak - Senior Air Quality Technician/Project Manager 

Richard Berg - Senior Air Quality Technician 

Tom Leier - Air Quality Technician 

CONTACT INFORMATION 

MPCA United Taconite, LLC 

Andrew Place Candice Maxwell 

Performance Test Coordinator Environmental Engineer 

Compliance and Enforcement P.O. Box 180 

Section-Industrial Division Eveleth, MN 55734 

Minnesota Pollution Control (218) 744-7849 

Agency 

520 Lafayette Rd. N. candice.maxwell\a>.cliffsnr.com 

Saint Paul, Minnesota 55155 

(651) 296-7169 

andrew.Qlace@state.mn.us 

#23691027 

Barr Engineering Co. 

Dan Koschak 

Sr. Air Quality Technician 

Barr Engineering Company 

3128 14th Ave East 

Hibbing, MN 55746 

(218) 262-8635 

dkoschak@barr.com