Results of the December 20-21, 2000 

Nitrogen Oxides Engineering Tests on the 

Furnace 12 Waste Gas Stack and Hood 

Exhaust (1203 and 1205) and Furnace 6 

Hood Exhaust/Waste Gas Stack (602) at the 

Northshore Mining Company 

E. W. Davis Works Facility 

Located in Silver Bay, Minnesota 

MPCA AQD File No. 27A-0T-1 

Barr Project No. 2338065TMR003 

Prepared for 

Northshore Mining Company 

Silver Bay, Minnesota 

February 2001 

4700 West 77th Street 

Minneapolis, MN 55435 

Phone: (612) 832-2600 

Fax: (612) 832-2601 BARR 
Northshore Mining Company Barr Engineering Co. 

Silver Bay, Minnesota January 24, 2001 

Furnace 6 Hood Exhaust / Waste Gas Stack 602 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 12/21/00 12/21/00 12/21/00 

Test Period - 1200 1330 1445 

Number of Sample Ports - - 2 2 

Number of Traverse Points - - 24 24 24 

Duct Dimensions (diameter for circular duct) D inches 71.5 71.5 71.5 

Barometric Pressure Pbar in. Hg 29.15 29.15 29.15 

Stack Static Pressure Pg in. H20 0.45 0.37 0.45 

Average Stack Temperature, dry bulb Tsf degrees F 121 120 120 

Actual Dry Gas Meter Volume Vm cubic feet 45.91 46.16 46.35 

Dry Gas Meter Calibration Factor Y - 1.0000 1.0000 1.0000 

Average Meter Temperature Tmf degrees F 61.4 72.3 73.9 

Pitot Tube Coefficient Cp . - 0.840 0.840 0.840 

Average Square Root of Velocity Head (DP)^0.5 - 0.715 0.725' 0.717 

Collected Moisture Volume V ml 123 121 119 

Orsat Results, Dry Basis 

Carbon Dioxide %CO2 %v/v. 0.9 0: 9 * 0.9 

Oxygen %02 %v/v 18.6 18.6 18.6 

Carbon Monoxide + Nitrogen _ %v/v 80.5 80.5 80.5 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Average Absolute Stack Temperature (R) 

Tsr = Tsf +460 

Tsr degrees R 581 580 580 

Duct Area 

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

A sq ft 27.88 27.88 27.88 

Stack Pressure 

Ps = Pbar + Pg/13.6 

Ps in Hg 29.18 29.18 29.18 

Meter Volume at Standard Conditions 

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

Vmstd cubic feet 45.48 44.79 44.84 

Average Moisture Content of Stack Gas 

MC = ((.04707 x V)/((.04707 x V) + Vmstd))) x 100 

MC % Vol 11.3 11.3 11.1 

Molecular Weight of Stack Gas, dry 

Md = (0.44 x (%CO2))+(0.32 x (%02))+(0.28 x (%N2+%C0)) 

Md lb/lbmol - 28.89 28.89 28.89 

Molecular Weight of Stack Gas, wet 

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

Ms lb/lbmol 27.66 27.66 27.68 

Average Stack Gas Velocity 

Vs = 85.49 x Cp x (DP)^0.5 x ((TsrOs x Ms))^.5) 

Vs ft/sec 43.58 44.15 43.64 

Actual Volumetric Flowrate 

Qa = 60 x Vs x A 

Qa acfm 72,901 73,855 73,004 

Volumetric Flowrate at Standard Conditions 

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

Qs scfm 64,619 65,564 64,822 

Dry Volumetric Flowrate at Standard Conditions 

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

Qd dscfm 57,322 58,168 57,623 
Northshore Mining Company- E.W Davis Works 

Silver Bay, Minnesota 

Furnace 12 (1203 and 1205) and Furnace 6 (602) 

NO Engineering Stack Test Report 

Table of Contents 

Report Certification 1 

Executive Summary 2 

Introduction 3 

Results Summary 4 

Process Description 5 

Stack Test Procedures and Methods 6 

List of Tables 

Table 1 Furnace 12 Waste Gas Stack 1205 - Reference Method Analyzer Results Summary 

Table 2 Furnace 12 Hood Exhaust Stack 1203 - Reference Method Analyzer Results Summary 

Table 3 Furnace 6 Hood Exhaust/Waste Gas Stack 602 - Reference Method Analyzer Results Summary 

Table 4 Process Operating Data Summary 

List of Figures 

Figure 1 

Figure 2 

Figure 3 

Figure 4 

Figure 5 

Figure 6 

Furnace 12 Waste Gas Stack 1205 - Test Port Location 

Furnace 12 Hood Exhaust Stack 1203 - Test Port Location 

Furnace 6 Hood Exhaust/Waste Gas Stack 602 - Test Port Location 

Furnace 12 Waste Gas Stack 1205 - Traverse Point Locations 

Furnace 12 Hood Exhaust Stack 1203 - Traverse Point Locations 

Furnace 6 Hood Exhaust/Waste Gas Stack 602 - Traverse Point Locations 

List of Appendices 

Appendix A 

Appendix B 

Appendix C 

Appendix D 

Appendix E 

Appendix F 

Appendix G 

Appendix H 

Report Calculations 

Field Data Sheets 

Instrument Output 

Calibration Data 

Cylinder Gas Certifications 

Process Operating Data 

Stack Test Plan 

Project Participants 
CERTIFICATIONS REQUIRED FOR PERFORMANCE TEST REPORTS FOR 

June 1999 

NOTE: All performance test reports must contain a certification by the responsible parties that the test results have been reported 

accurately, that the field data is a true representation of the sampling procedures, and that the process data is a true indicator of the 

operating parameters of the emissions unit at the time of the performance test. (Ref Minn. R 7017.2040). Performance test results will 

not be accepted without certification of the report. 

1. Certification of sampling procedures by the team leader of the personnel conducting the 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 belief, true, accurate, and complete. All 

excepti. -. are us ed and e plained b-low.' 1„ 

Signature 

Title 

Printed Name of Person Signing 

Date 

2. Certification of analytical procedures'by the person responsible for the laboratory analysis of field samples: 

"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 presented 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." 

c) K'S /1 S 7(0 c 

Signature N/4 Printed Name of Person Signing 

Title Date 

3. Certification of test report by the senior staff person at the testing company who is responsible for compiling and 

checking the test report: 

"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 

exce isted and d below." 

/ 1.1 ..C.S /1 / 

Signature A Printed Name of Person Signing 

V,C-2°(;)17-65 e 

Title Date 

4. Certification of test report by owner or operator of the emission facility: 

"I certify under penalty of law 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 of all operational and maintenance 

activities that were performed on 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 test report is, to the best of my knowledge and belief, true, accurate, and complete. All exceptions are listed and 

explai d belp." 

e.rz,"■-r- 4,4 

igna re Printed Name of Person Signing 

EI4V tre.DIJ.t.V.)-1-rA .1,46, 4,7-- 1/8/D1 

Title Date 

This form is to be submitted as part of the performance test report to: North, Metro, or South District, Performance Test Coordinator,. 

MN Pollution Control Agency, 520 Lafayette ReL, St. Paul, MN 55155-4194. 

— 
Executive Summary 

Barr Engineering Co. performed nitrogen oxides engineering emission tests on the Furnace 12 Waste Gas and Hood 

Exhaust stacks (1205 and 1203) and the Furnace 6 Waste Gas/Hood Exhaust stack (602) at the Northshore Mining 

Company — E.W. Davis Works facility located in Silver Bay, Minnesota. The Furnace 12 Waste Gas stack and 

Hood Exhaust tests were conducted on December 20, 2000. The Furnace 6 Waste Gas/Hood Exhaust stack test was 

conducted on December 21, 2000. Each emission test included the measurement of nitrogen oxides (NO) 

concentration and mass emission rate. A summary of the test results (three run averages) is provided below: 

Test Parameter Furnace 12 

Waste Gas (1205) 

Furnace 12 

Hood Exhaust (1203) 

Furnace 6 

Waste Gas/Hood Exhaust (602) 

Test Date 12/20/00 12/20/00 12/21/00 

Stack Temperature, °F 142 115 120 

Moisture Content, % vol 15,4 10.4 11.2 

Gas Composition, % vol 

Oxygen 

Carbon Dioxide 

17,2 

1.7 

19.7 

0.4 

18.6 

0.9 

Volumetric Air Flow Rate ACFM 

SCFM 

DSCFM 

79,600 

68,400 

57,800 

83,000 

74,300 

66,500 

73,300 

65,000 

57,700 

Gaseous Pollutant Concentrations 

NOx, PPMV dry (bias corrected) 88.7 22.7 32.2 

Gaseous Pollutant Emission Rates 

NOx, lb/hr 

NOx, lb/MMBTU 

36.7 

0.28 

10.8 

0.088 

13.3 

0.19 

Fired Pellet Production Rate, LTPH 222 219 120 

Furnace Heat Input, MMBtu/hr 129 124 69 

2 
Introduction 

Barr Engineering Co. performed nitrogen oxides engineering emission tests on the Furnace 12 Waste Gas and Hood 

Exhaust stacks (1205 and 1203, respectively) and the Furnace 6 Waste Gas/Hood Exhaust stack (602) at the 

Northshore Mining Company — E.W. Davis Works facility located in Silver Bay, Minnesota. The tests were 

conducted on December 20-21, 2000. The purpose of tests was to develop current nitrogen dioxide emission factors. 

The pelletizing furnaces were fired on natural gas during the performance tests. 

Each test consisted of three 60-minute test runs. Test run 1 on the Furnace 12 Hood Exhaust stack 1203 was 

shortened to 47 minutes due to a process interruption. The electric service to the Wet-Wall Electrostatic Precipitator 

serving the Furnace 12 Hood Exhaust was interrupted during test runs 2 and 3, which did not notably effect the 

nitrogen oxides concentration or mass emission rate. Test run 1 on the Furnace 6 Waste Gas/Hood Exhaust stack 

602 was conducted in three periods over the course of 80 minutes, due to a brief reduction in furnace tonnage, in 

order to gather 60 minutes of emissions data for the test run. All other test runs were conducted over a 60-minute 

test period. 

A test team led by Curt Stock of Barr Engineering conducted the emission tests. Scott Gischia of Northshore Mining 

provided the coordination of the Barr test team with facility operations. A list of project participants is provided in 

Appendix H. 

Stuart Arkley, of the Minnesota Pollution Control Agency (MPCA), approved the stack test plan in correspondence 

dated December 7, 2000. A copy of the stack test plan and the MPCA approval is located in Appendix G. A 

representative of the MPCA did not witness the performance tests. 

Test results are presented in the following section. Field data along with supporting documentation is located in the 

appendices. 

3 
Results Summary 

Table 1 summarizes the NOx emissions test results for the Furnace 12 Waste Gas stack (1205). The nitrogen oxides 

emission rate averaged 36.7 pounds per hour (lb/hr) at an average dry concentration of 88.7 parts per million by 

volume (PPMV). Heat input to Furnace 12 averaged 122 million British thermal units per hour (MMBTU/hr) 

during the test, resulting in a NOx emission rate, as a function of heat input, of 0.28 lb/MMBTU. The fired pellet 

production rate during the Furnace 12 Waste Gas stack test averaged 222 long tons per hour (LTPH). 

Table 2 summarizes the NOx emissions test results for the Furnace 12 Hood Exhaust stack (1203). The nitrogen 

oxides emission rate averaged 10.8 lb/hr at an average dry concentration of 22.7 PPMV. The heat input to Furnace 

12 averaged 124 MMBTU/lir during the test, resulting in a NOx emission rate, as a function of heat input, of 0.088 

lb/MMBTU. The fired pellet production rate during the Furnace 12 Hood Exhaust stack test averaged 219 long tons 

per hour (LTPH). 

Table 3 summarizes the NOx emissions test results for the Furnace 6 Waste Gas/Hood Exhaust stack (602). The 

nitrogen oxides emission rate averaged 13.3 lb/hr at an average dry concentration of 32.2 PPMV. The heat input to 

Furnace 6 averaged 69 MMBTU/hr during the test, resulting in a NOx emission rate, as a function of heat input, of 

0.19 lb/MMBTU. The fired pellet production rate during the Furnace 12 Hood Exhaust stack test averaged 120 long 

tons per hour (LTPH). 

Table 4 summarizes the furnace process operating and fuel consumption rates, and WWESP operating parameters 

during each performance test. 

4 
Process Description 

Northshore Mining Company pelletizer's are straight-grate furnaces manufactured by Arthur G. McKee Company. 

The furnaces have three major operating zones, referred to as the drying zone, firing zone, and the cooling/recoup 

zone. 

Unfired green balls comprised of iron concentrate and a composite binder of bentonite and organic binder (starch) 

enter the furnace at the drying zone. Furnaces 11 and 12 utilize a layer of previously fired pellets, which are 

placed on the grate (hearth layer) and the green balls are then placed on the hearth layer at the furnace entrance. 

The green balls are dried using heat recouped from the furnace. The Line 6 furnace does not incorporate the 

hearth layer in the pellet firing the process. The air from the drying zone is directed to the Hood Exhaust. 

The dried pellets enter the firing zone where they are heated sufficiently to initiate an exothermic reaction caused 

by the conversion of magnetite to hematite. Natural gas and oil burners are located in the firing zone to provide 

heat input. The furnaces were fired on natural gas during the stack tests. The waste gas is exhausted from the 

firing zone. The fired pellets enter the cooling/recoup zone, where the exothermic reaction of the pellets is 

completed. 

The hood exhaust and waste gas is directed to wet wall electrostatic precipitators (WWESPs) for emissions 

control. The Furnace 12 waste gas is split evenly between two WWESP's (stacks 1204 and 1205). The Furnace 

12 hood exhaust is split between three WWESPs (stacks 1201, 1202, and 1203). The combined exhaust of the 

Furnace 6 waste gas and hood exhaust is divided between three WWESPs (stacks 601, 602, and 603). 

Operating parameters of each furnace and the WWESP that was associated with each test were recorded during 

each test run. The furnace operating parameters included fuel usage and fired pellet production rate (LTPH). The 

WWESP recorded operating parameters included water flow rate (gpm), voltage and amperage. A summary of 

the process operating data is detailed in Table 4. The MPCA summaries for combustion sources, raw process 

operating and pollution control device operating data and hourly logs of the operating data are provided in 

Appendix F. 

5 
Stack Test Procedures and Methods 

Testing was performed from ports meeting EPA Method 1 (40 CFR Part 60, Appendix A) criteria. A 24-point 

traverse was performed at the test port location for each stack. Sample port locations and traverse point detail are 

provided in Figures 1-6. 

Volumetric airflow determinations were performed in accordance with EPA Method 2 (40 CFR Part 60, 

Appendix A) using an S-type pitot tube. 

Stack gas composition and molecular weight was determined by EPA Method 3A (40 CFR Part 60, Appendix A). 

Stack gas moisture content was determined by the performance of EPA Method 4 (40 CFR Part 60, Appendix A), in 

conjunction with the EPA Method 7E performance test. 

Nitrogen oxides concentrations were determined in accordance with EPA Method 7E (40 CFR Part 60, 

Appendix A). 

6 
Tables 
Barr Engineering 

January 29,2001 

Northshore Mining Company 

Silver Bay, Minnesota 

TABLE 1 

FURNACE 12 WASTE GAS STACK 1205 

CALIBRATION BIAS CORRECTION OF THE REFERENCE METHOD ANALYZER RESULTS 

EMISSION RATE AND EMISSION FACTOR CALCULATIONS 

RUN 1 0813-0913 12/20/00 RUN 2 0938-1038 12/20/00 RUN 3 1051-1151 12/20/00 

NOx 

PPM 

Oxygen ok 

CO2 

% 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

NOx 

PPM 

Oxygen ok CO2 

ok 

Concavg 85.6 16.9 87.8 17.0 

ci 

88.1 16.9 1.7 

Zeroinit 1.7 0.1 0.3 0.0 0.7 0.1 0.0 

Zerofinai 1.3 0.0 0.7 0.1 0.4 0.1 0.0 

Calm 238.0 17.8 94.0 17.7 94.0 17.7 3.0 

Calfinal 234.0 17.7 

Cf 

94.0 17.7 93.3 17.7 3.0 

Ca 'gas value 240.0 18,0 96.0 18.0 96.0 18.0 3.0 

Zeroavg 1.5 0.1 0.5 0.1 0.6 0.1 0.0 

Calavg 236.0 17.8 94.0 17.7 93.7 17.7 3.0 

Concoiaaoon. 86.1 17.1 1.7 89.6 17.3 1.7 90.3 17.2 1.7 

Airflowosono 57,900 57,200 58,400 

Emission Rateloihr 35.7 36.7 37.8 

Heat InputMMBtu/hr 130 129 129 

Emission Factorio/mmto 0.27 0.28 0.29 

Conoolasoorr = (Concavg-Zeroavg )*Calgasvaiod(Calayg-Zeroavg) 

CALIBRATION BIAS, CALIBRATION DRIFT AND ZERO DRIFT CALCULATIONS 

RUN 1 0813-0913 12/20/00 RUN 2 0938-1038 12/20/00 RUN 3 1051-1151 12/20/00 

NOx 

PPM 

Oxygen % 

CO2 

% 

NOx 

PPM 

Oxygen ok CO2 

ok 

NOx 

PPM 

Oxygen ok 

CO2 

% 

Zeroinit 1.7 0.1 0.3 0.0 0.7 0.1 

PP.

P c..)22 0 C C C oo o 

Zerofinai 1.3 0.0 0.7 0.1 0.4 0.1 

Calm 238.0 17.8 94.0 17.7 94,0 17.7 

Calfinai 234.0 17.7 43 

94,0 17,7 93.3 17.7 

Ca igas value 240.0 18.0 96.0 18.0 96.0 18.0 

Zeroavg 1.5 0.1 0.5 0.1 0.6 0.1 

Calavg 236.0 17.8 94.0 17.7 93.7 17.7 

Analyzer Calibration Range 500 25 10 100 25 10 100 25 10 

Analyzer Calibration Response 238.0 18.0 3.0 96.0 18.0 3.0 96.0 18.0 3.0 

Analyzer Zero Response 1.4 0.0 0.0 0.1 0.0 0..0 0.1 0.0 0.0 

Analyzer Calibration Difference 0.40% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 

Analyzer Zero Difference 0.28% 0.00% 0.00% 0.10% 0.00% 0.00% 0.10% 0.00% 0.00% 

Initial Calibration Bias 0.00% -0.80% 0.00% -2.00% -1.20% 0.00% -2.00% -1.20% 0.00% 

Final Calibration Bias -0.80% -1.20% 0.00% -2.00% -1.20% 0.00% -2.70% -1.20% 0.00% 

Initial Zero Bias 0.06% 0.40% 0.00% 0.20% 0.00% 0.00% 0.60% 0.40% 0.00% 

Final Zero Bias -0.02% 0.00% 0.00% 0.60% 0.40% 0.00% 0.30% 0.40% 0.00% 

Calibration Drift -0.80% -0.40% 0.00% 0.00% 0.00% 0.00% -0.70% 0.00% 0.00% 

Zero Drift -0.08% -0.40% 0.00% 0.40% 0.40% 0.00% -0.30% 0.00% 0.00% 
Northshore Mining Company Barr Engineering 

Silver Bay, Minnesota January 29,2001 

TABLE 2 

FURNACE 12 HOOD EXHAUST 1203 

CALIBRATION BIAS CORRECTION OF THE REFERENCE METHOD ANALYZER RESULTS 

EMISSION RATE AND EMISSION FACTOR CALCULATIONS 

RUN 1 1405-1452 12/20/00 RUN 2 1520-1620 12/20/00 RUN 3 1635-1735 12/20/00 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

Concavg 22.5 19.4 23.2 19,4 22.7 19.4 -1- 00

0 000 0 

ci ci ci ri 6 (- oi d oi 

1 I 

Zeroinit 0.7 0.1 0.6 0.1 0.8 0.1 

Zerofinal 0.6 0.1 0.8 0.1 0.7 0.1 

Calinit 44.2 17.7 44.2 17.9 44.4 17.7 

Calfinal 44.2 17.9 

CO 

0 

44.4 17.7 

C) 0 

44.2 17.7 

Calgas value 44.7 18.0 44.7 18.0 44.7 18.0 

Zeroavg 0.7 0.1 0.7 0.1 0.8 0.1 

Calavg 44.2 17.8 44.3 17.8 44.3 17.7 

ConCblJscorr 22.4 19.6 0.4 23.1 19.6 0.4 22.5 19.7 0.4 

AirflowoscFm 65,800 67,400 66,400 

Emission Rateibnir 10.6 11.1 10.7 

Heat I nputMMBtu/hr 112 128 131 

Emission Factoribimmt u 0.094 0.087 0.082 

COnCblascorr = (COnCavg -ZOrOavg)*Calgas value/(Calavg-Zeroavg) 

CALIBRATION BIAS, CALIBRATION DRIFT AND ZERO DRIFT CALCULATIONS 

RUN 1 1405-1452 12/20/00 RUN 2 1520-1620 12/20/00 RUN 3 1635-1735 12/20/00 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

NOx 

PPM 

Oxygen % CO2 

% 

NOx 

PPM 

Oxygen % CO2 

% 

Zeroinit 0.7 0.1 0.6 0.1 0.8 0.1 0 00

0 00 0 

c:i ci ri ri ri ci ri 

Zerofinal 0.6 0.1 0.8 0.1 0.7 0.1 

Calinit 44.2 17.7 44.2 17.9 44.4 17.7 

:Calfinal 44.2 17.9 

ci o 

44.4 17.7 

oi cp 

44.2 17.7 

Calgas value 44.7 18.0 44.7 18.0 44.7 18.0 

Zeroavg 0.7 0.1 0.7 0.1 0.8 0.1 

Calavg 44.2 17.8 44,3 17.8 44.3 17.7 

Analyzer Calibration Range 100 25 10 100 1 25 10 100 25 10 

Analyzer Calibration Response 44.8 18.0 3.0 44.8 18.0 3.0 44.8 18.0 3.0 

Analyzer Zero Response 0.1 0.0 0.0 0.1 0.0 0.0 0.1 0.0 0.0 

Analyzer Calibration Difference -0.10% 0.00% 0.00% -0.10% 0.00% 0.00% -0.10% 0.00% 0.00% 

Analyzer Zero Difference 0.10% 0.00% 0.00% 0.10% 0.00% 0.00% 0.10% 0.00% 0.00% 

Initial Calibration Bias -0.60% -1.20% 0.00% -0.60% -0.40% 0.00% -0.40% -1.20% 0.00% 

Final Calibration Bias -0.60% -0.40% 0.00% -0.40% -1.20% 0.00% -0.60% -1.20% 0.00% 

Initial Zero Bias 0.60% 0.40% 0.00% 0.50% 0.40% 0.00% 0.70% 0.40% 0.00% 

Final Zero Bias 0.50% 0.40% 0.00% 0,70% 0.40% 0.00% 0.60% 0.40% 0.00% 

Calibration Drift 0.00% 0.80% 0.00% 0.20% -0.80% 0.00% -0.20% 0.00% 0.00% 

,Zero Drift -0.10% 0.00% 1 0.00% 0.20% 0.00% 0.00% -0.10% 0.00% 0.00% 
Barr Engineering 

January 29,2001 

Northshore Mining Company 

Silver Bay, Minnesota 

TABLE 3 

FURNACE 6 HOOD EXHAUST / WASTE GAS STACK 602 

CALIBRATION BIAS CORRECTION OF THE REFERENCE METHOD ANALYZER RESULTS 

EMISSION RATE AND EMISSION FACTOR CALCULATIONS 

RUN 1 1140-1300 12/21/00 RUN 2 1310-1410 12/21/00 RUN 3 1422-1522 12/21/00 

NOx 

PPM 

Oxygen ok CO2 

% 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

Conoavg 31.2 18.6 1.0 31.7 18.6 1.0 32.3 18.6 1.0 

Zerofifit 0.4 0.1 0.1 1 .4 0.2 0.1 1.5 0.2 01 

Zerofinal 1.4 0.2 0.1 1.5 0.2 0.1 1.6 0.2 0.1 

Calm 43.6 18.0 3.0 43.7 18.0 3.0 43.6 18.0 3.0 

Calfinal 43.7 18.0 3.0 43.6 18.0 3.0 43.5 18.0 3.0 

Calgas value 44.7 18.0 3.0 44.7 18.0 3.0 44.7 18.0 3.0 

Zeroavg 0.9 0.2 0.1 1.5 0.2 0.1 1.6 0.2 0.1 

Calavg 43.7 18.0 3.0 43.7 18.0 3.0 43.6 18.0 3.0 

ConCblascorr 31.7 18.6 0.9 32.0 18.6 0.9 32.7 18.6 0.9 

AirflowDscFm 57,300 58,200 57,600 

Emission Rateibmr 13.0 13.4 13.5 

Heat InputmmEstu/hr 61 73 72 

Emission Factorfiymmatu 0.21 0.18 0.19 

COnCblascorr (COrICavg-Zer0„g)*Calgas valud(Calavg-ZerOavg) 

CALIBRATION BIAS, CALIBRATION DRIFT AND ZERO DRIFT CALCULATIONS 

RUN 1 1140-1300 12/21/00 RUN 2 1310-1410 12/21/00 RUN 3 1422-1522 12/21/00 

NOx 

PPM 

Oxygen' 

% 

CO2 

% 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

NOx 

PPM 

Oxygen 

% 

CO2 

% 

Zerom 0.4 0.1 0.1 1.4 0.2 0.1 1.5 0.2 0.1 

Zerofinal 1.4 0.2 0.1 1.5 0.2 0.1 1.6 0.2 0.1 

Calfilit 43.6 18.0 3.0 43.7 18.0 3.0 43.6 18.0 3.0 

Calfinal 43.7 18.0 3.0. 43.6 18.0 3.0 43.5 18.0 3.0 

Calgas value 44.7 18.0 3.0 44.7 18.0 3.0 44.7 18.0 3.0 

Zeroavg 0.9 0.2 0.1 1.5 0.2 0.1 1.6 0.2 0.1 

Calavg 43.7 18.0 3.0 43.7 18.0 3.0 43.6 18.0 3.0 

Analyzer Calibration Range 100 25 10 100 25 10 100 25 10 

Analyzer Calibration Response 44.5 18.0 3.0 44.5 18.0 3.0 44.5 18.0 3.0 

Analyzer Zero Response 0.2 0.0 0.0 0.1 0.0 0.0 0.1 0.0 0.0 

Analyzer Calibration Difference 0.20% 0.00% 0.00% 0.20% 0.00% 0.00% 0.20% 0.00% 0.00% 

Analyzer Zero Difference 0.20% 0.00% 0.00% 0.10% 0.00% 0.00% 0.10% 0.00% 0.00% 

Initial Calibration Bias -0.90% 0.00% 0.00% -0.80% 0.00% 0.00% -0.90% 0.00% 0.00% 

Final Calibration Bias -0.80% 0.00% 0.00% -0.90% 0.00% 0.00% -1.00% 0.00% 0.00% 

Initial Zero Bias ' 0.20% 0.40% 1.00% 1.30% 0.80% 1.00% 1.40% 0.80% 1.00% 

Final Zero Bias 1.20% 0.80% 1.00% 1.40% 0.80% 1.00% 1.50% 0.80% 1.00% 

Calibration Drift 0.10% 0.00% 0.00% -0.10% 0.00% 0.00% -0.10% 0.00% 0.00% 

Zero Drift 1.00% 0.40% 0.00% 0.10% 0.00% 0.00% 0.10% 0.00% 0.00% 
Start Time 

End 

Time 

Production 

Rate, 

LTPH 

Fuel Input WWESP Data 

Natural Gas 

Amperage Voltage 

Water Flow 

Kcfh MMBTU/hr !Wm 

1405 1452 

1520 1620 

1635 1735 

210 

222 

225 

112 

128 

131 

112 

128 

131 

25 

N/A 

• N/A 

4.5 157 

N/A 156 

N/A 156 

I 219 124 124 I 25 4.5 156 

Run 

1 

2 

3 

Average 

Northshore Mining Company Barr Engineering 

Silver Bay, Minnesota January 29, 2001 

TABLE 4 

PROCESS OPERATING DATA SUMMARY 

FURNACE 12 Waste Gas Stack (1205) - December 20, 2000 

Run Start Time 

End 

Time 

Production 

Rate, 

LTPH 

Fuel Input WWESP Data 

Natural Gas 

Amperage Voltage 

Water Flow 

Kcfh MMBTU/hr clPm 

1 

2 

3 

0813 0913 

0938 1038 

1051 1151 

223 

222 

221 

130 

129 

129 

130 

129 

129 

14 

19 

18 

5 149 

6 149 

6 149 

Average 222 I 129 129 If 5.7 149 

FURNACE 12 Hood Exhaust Stack (1203) - December 20, 2000 

FURNACE 6 Waste Gas/Hood Exhaust Stack (602) - December 21, 2000 

Start Time 

End 

Time 

Production 

Rate, 

LTPH 

Fuel Input WWESP Data 

Natural Gas 

Amperage Voltage 

Water Flow 

Kcfh MMBTU/hr PPM 

1140 1300 105 61 61 5 1 149 

1310 1410 127 73 73 5 1 148 

1422 1522 129 72 72 5 1 148 

120 I 69 69 5 1.0 148 

Run 

1 

2 

3 

Average 
Figures 
NORTH SHORE MINING COMPANY 

FURNACE 12 

WASTE GAS WWESP STACK 

(SV 1205) 

TEST PORT LOCATION 

-71.5" I.D. 

-8' 

Two Sample Ports 

@ 90 Degrees 

Floor 

- 12' 

Flow 

WW ESP 

Drawing not to scale. Figure 1 BA 

Engineering Co. 
BA 

Engineering Co. Drawing not to scale. Figure 2 

Two Sample Ports 

@ 90 Degrees 

Floor 

12' 

—8' 

Flow 

WWESP 

NORTH SHORE MINING COMPANY 

FURNACE 12 

HOOD EXHAUST WWESP 

STACK 

(SV 1203) 

TEST PORT LOCATION 

—71.5" I.D. 
Two Sample Ports 

@ 90 Degrees 

— 12' 

Flow 

WWESP 

Drawing not to scale. Figure 3 BA 

Engineering Co. 

NORTH SHORE MINING COMPANY 

FURNACE 6 

WASTE GAS / HOOD EXHAUST WVVESP STACK 

(SV 602) 

TEST PORT LOCATION 

—71.5" I.D. 
69.98" 

66.71" 

63.05" 

58.83" 

53.63" 

46.07" 

25.43" 

17.86" 

12.67" 

8.45" 

4.79" 

1.52" 

TRAVERSE POINT LOCATION 

FURNACE 12 

Waste Gas WWESP Stack 

(SV 1205) 

North Shore Mining Company 

24 Traverse Points 

from 

2 Test Ports 

BARR 

Engineering Co. 

Figure 4 Drawing not to scale. 
69.98" 

66.71" 

63.05" 

58.83" 

53.63" 

46.07" 

25.43" 

17.86" 

12.67" 

8.45" 

4.79" 

1.52" 

TRAVERSE POINT LOCATION 

FURNACE 12 

Hood Exhaust WWESP Stack 

(SV 1203) 

North Shore Mining Company 

24 Traverse Points 

from 

2 Test Ports 

BARR 

Engineering Co. Figure 5 Drawing not to scale. 
69.98" 

66.71" 

63.05" 

58.83" 

53.63" 

46.07" 

25.43" 

17.86" 

12.67" 

8.45" 

4.79" 

1.52" 

. r BA 

Engineering Co. Drawing not to scale. Figure 6 

TRAVERSE POINT LOCATION 

FURNACE 6 

Waste Gas / Hood Exhaust WWESP Stack 

(SV 602) 

North Shore Mining Company 

24 Traverse Points 

from 

2 Test Ports 
Appendices 
Appendix A 

Report Calculations 
Northshore Mining Company Barr Engineering Co. 

Silver Bay, Minnesota January 24, 2001 

Furnace 12 Waste Gas Stack 1205 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 12/20/00 12/20/00 12/20/00 

Test Period _ - 845 1015 1115 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - 24 24 24 

Duct Dimensions (diameter for circular duct) D inches 71.5 71.5 71.5 

Barometric Pressure Pbar . in. Hg 29.30 29.30 29.30 

Stack Static Pressure Pg in. H20 0.18 0.24 0.37 

Average Stack Temperature, dry bulb Tsf degrees F 143 142 142 

Actual Dry Gas Meter Volume Vm cubic feet 45.92 45.47 45.82 

Dry Gas Meter Calibration Factor Y - 1.0000 1.0000 1.0000 

Average Meter Temperature Tmf degrees F 62.7 69.0 71.6 

Pitot Tube Coefficient Op - 0.840 0.840 0.840 

Average Square Root of Velocity Head (DP)^0.5 - 0.763 0.755 0.772 

Collected Moisture Volume V ml 173 173 176 

Orsat Results, Dry Basis 

Carbon Dioxide %CO2 %v/v 1.7 1.7 1.7 

Oxygen %02 %v/v 17.1 17.3 17.2 

Carbon Monoxide + Nitrogen - %v/v 81.2 81.0 81.1 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Average Absolute Stack Temperature (R) 

Tsr = Tsf +460 

Tsr degrees R 603 602 602 

Duct Area 

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

A sq ft 27.88 27.88 27.88 

Stack Pressure 

Ps = Pbar + Pg/13.6 

Ps in Hg 29.31 29.32 29.33 

Meter Volume at Standard Conditions 

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

Vmstd cubic feet 45.61 44.62 44.75 

Average Moisture Content of Stack Gas 

MC = ((.04707 k V)/((.04707 x V) + Vmstd))) x 100 

MC % Vol 15.1 15.4 15.6 

Molecular Weight of Stack Gas, dry 

Md = (0.44 x (%CO2))+(0.32 x (%02))+(0.28 x (%N2+%C0)) 

Md lb/lbmol 28.96 28.96 28.96 

Molecular Weight of Stack Gas, wet 

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

Ms lb/Ibmol 27.30 27.27 27.25 

Average Stack Gas Velocity 

Vs = 85.49 x Cp x (DP)^0.5 x ((Tsr/(Ps x Ms))^.5) 

Vs ft/sec 47.55 47.02 48.14 

Actual Volumetric Flowrate 

Qa= 60 xVsxA 

Qa acfm 79,543 78,670 80,542 

Volumetric Flowrate at Standard Conditions 

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

Qs scfm 68,237 67,611 69,242 

Dry Volumetric Flowrate at Standard Conditions 

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

Qd dscfm 57,899 57,177 58,425 
Barr Engineering Co. 

January 24, 2001 

Northshore Mining Company 

Silver Bay, Minnesota 

Furnace 12 Hood Exhaust 1203 

Determination of Volumetric Airflow Rate, Gas Composition and Moisture Content 

Data Entry Symbol Units Run 1 Run 2 Run 3 

Test Date - - 12/20/00 12/20/00 12/20/00 

Test Period - - 1425 1545 1650 

Number of Sample Ports - - 2 2 2 

Number of Traverse Points - - 24 24 24 

Duct Dimensions (diameter for circular duct) D inches 71.5 71.5 71.5 

Barometric Pressure Pbar in. Hg 29.15 29.15 29.15 

Stack Static Pressure Pg in. H20 0.48 0.39 0.43 

Average Stack Temperature, dry bulb Tsf degrees F 115 115 116 

Actual Dry Gas Meter Volume Vm cubic feet 39.34 45.78 45.63 

Dry Gas Meter Calibration Factor Y - 1.0000 1.0000 1.0000 

Average Meter Temperature Tmf degrees F 52.6 58.6 61.3 

P.itot Tube Coefficient Cp 0.840 0.840 0.840 

Average Square Root of Velocity Head (DP)^0.5 - 0.809 0.828 0.819 

Collected Moisture Volume * V ml 97 111 114 

Orsat Results, Dry Basis 

Carbon Dioxide %CO2 %v/v 0.4 0.4 0.4 

Oxygen %02 %v/v 19.6 19.6 19.7 

Carbon Monoxide + Nitrogen - %v/v 80.0 80.0 79.9 

Calculated Data Symbol Units Run 1 Run 2 Run 3 

Average Absolute Stack Temperature (R) 

Tsr = Tsf + 460 

Tsr degrees R 575 575 576 

Duct Area 

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

A sq ft 27.88 27.88 27.88 

Stack Pressure 

Ps = Pbar + Pg/13.6 

Ps in Hg 29.19 29.18 29.18 

Meter Volume at Standard Conditions 

Vmstd = 17.64 x Vm x Y x ((Pbar +(DH/13.6))frmr) 

Vmstd cubic feet 39.63 45.59 45.20 

Average Moisture Content of Stack Gas 

MC = ((.04707 x V)/((.04707 x V) + Vmstd))) x 100 

MC % Vol 10.3 10.3 10.6 

Molecular Weight of Stack Gas, dry 

Md = (0.44 x (%CO2))+(0.32 x (%02))+(0.28 x (%N2+%C0)) 

Md lb/lbmol 28.85 28.85 28.85 

Molecular Weight of Stack Gas, wet 

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

Ms lb/Ibmol 27.73 27.73 27.70 

Average Stack Gas Velocity 

Vs = 85.49 x Cp x (DP)^0.5 x ((Tsr/(Ps x Ms))^.5) 

Vs ft/sec 48.98 50.11 49.68 

Actual Volumetric Flowrate 

Qa= 60 xVsxA 

Qa acfm 81,945 83,833 83,107 

Volumetric Flowrate at Standard Conditions 

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

Qs scfm 73,399 75,073 74,302 

Dry Volumetric Flowrate at Standard Conditions 

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

Qd dscfm 65,817 67,354 66,418 

* - Moisture volumes were adjusted to calculate the maximum stack gas moisture content. Free moisture was collected. 
Appendix B 

Field Data Sheets 
02 Reading 

02 Analyzer No. 

Integrated Gas Sampling Data: 

Box No. Leak Rate, cc/min 

Bag No. 

Bag Vol. 

Engineering Company 

Project Ait c,4 S 

Sample Location /..;,,t 12. 4.1g)tv 6 ,•3 120C Metery 1, 0c-so Bar. Press. 

Date /0)(4-, Test j Run '3 Orifice AN @ 1. -711.s- 1 

Eff. Probe Length 7 ft Liner Type:El Glass 0 S.S. k-Other 

2d/.3 in Hg 

Sam

Pre

Post

D D BA 

Sample 

Point 

Sample 

Time 

6, 1 

Meter 

Volume 

vm, Tr 

Orifice 

AI-1, 

in H20 

Sample 

Volume 

AVM, ttSample 

Vacuum, 

in Hg 

Stack Sample Train Temperatures, °

Temp. 

Is, "IProbe Filter lrnpinger 

_ Outlet 

Met

Inle

'" ( I ) ( 73c..YI )1...41‘. . c.,:z.:: 'Airki;','i'A - -':="-r- '-'1:- .z,•-, .,;;; . 

A - / 5- 73 11, 2-R i :15- 3. S'e) au iy2..._ ivz. 231 

z to 7c-zi V7S- 3.6)o "3-0 it./Z.. 1 'Z Z 33 

3 ir 'null 1 . / r 3.11. 3.O - "u 3 2y -1._ ZVI._ ."-(.... 

-7 t6-:7 7.. I 1( ?-5 . 3.c, /W 2 4-2... Z3 3 

c zc lt/1.5 . , i ,75- 3-SY 1. ('- )(1 ( 

G 3 6 .7 4- ) . -3/ t. 7 C 3.Y -3,0 i 5' Z. 25' 7 2:33 Y 7 1 

/3 -7 3r 7c7. 7 I i. 7 5 - 1. i 1,— iv( 25-4 233, (.. )- 7 

2 Lla -76 1 .0 L I7 — ) - t ro / 9 ? "22_ "Z 3!) (ci 75? 

.3 VC- 7Cti `&3 i.75:- 3. cy) 3.0 /Ye Zy z- z 3:5. 7 1 7S 

7M 6 -.S ( 75— 3.7J 3-d 1 ("Z. szct z -z sy -7 V 7 

77 2 .sto (-7 i` '3/0 3. c, ty-1 2VZ 7 Ns- '7 7 '7 

771, 30 i , 1 5 - 3. t , / cr'7-. 7..tiet 7...) ), - 7 7 5( _ ( ) 

(ils-3) • 

•--,.. 

CY= Vm= .S1=1"= ''.:,---,, .-,,,';g1, ,, Ts= 1E4)._ 

Operators DIIc 

EPA METHOD 4 

FIELD DATA SHEET 

CM 3 sm P Pitot No. IS- CP 

Moisture Recovery Data: 

Impinger 1 2 3 4 

Final wt., g Z z 

Initial wt., g i 0 i g C /0 

Difference 1 z. Z y 

at 15 in Hg 
Engineering Company 

Project A)W .ilk Six,/ c. ;v1; .1) 

Sample Location t:vid. It IZ osr 

Date ta2011 0,-- Test Run a 

Operators 

BA 

CM 3 SM P Pitot No. ( S- Cp Sam

Meter y I. cc ,:s Bar. Press. 2-1.3 4=, in Hg P

Orifice 6,1-1 @ i.7•2 / Po

Eff. Probe Length ---) ft Liner Type:0 Glass N- S.S. 0 Other 

EPA METHOD 4 

FIELD DATA SHEET 

Sample 

Point 

Sample 

Time 

A i 

Meter 

Volume 

vnn, ItOrifice 

AH, 

in H2O 

Sample 

Volume 

Avm, it 

Sample 

Vacuum, 

in Hg 

Stack 

Temp. 

I s, 'ISample Train Temperatures

Probe Filter Impinger 

Outlet 

M

In

ocil'i ) ( GV-T() 

Ggssy l. -7 63- '2. 3Li _5-. 5- ly 2. 2 y 3 2 

2 i 0 (.,92.3(i i. 73 3. so c. -5- / V '2_ '2 Y2_ Z323 

3 i c c,16.1s- t, 7 ,-' 3.7?- (..,0 '3 9 Z V Z- 23'S 4/9 7?

Vick- i -1 S- "3_ '74 6- 0 / Yr -2y 2_ Z.33 V 7 

c ZS- 7031L1 i. 7S- 3.- '73- 6.e- i V-4._ -zyt 1 3 V Y 7 7

'7 5- '3. 1 L 6.d 1 `If "2.Y Z 2.15.. 

71 ZS' 1 , 15- 3-S 4 (...0 i‘13 2 y 2- 2. 3) 

Z kiL) 115 I-'75- 1, s3 -0 C-.0 I Pr' -Z. t f "I_ 2.33 

3 vs- 7N.V (. -7s-- 3 . 9 ci 6 , 6 )(3 (..( SLI 1-2Z ,t, 3 i .7 S-- '3,9(.. C.6 i g 7 z y Z. 2.3, 3 5-5- 

5- cc- 72.6-5'1 /. 75'- 3.1Z.. , (- 0 I3 2 yz .2 1 s' s- -

i.c.) '710.31 , '7f (...6 . P-1 L 2Y 2. Z 3 c/ 

6049 

a= Vm= ATI= Th= I LII 

Integrated Gas Sampling Data: Moisture Recovery Data: 

Impinger 1 2 3 

Final wt., g z3 y ) Zy /Dv 

Initial wt., g I 00 Ito iC b. 

Difference 1311 2 Lii t/' 

Box No. 

Bag No. 

Bag Vol. 

Leak Rate, cc/min 

02 Reading 

02 Analyzer No. 

at 15 in Hg 
• ••■:, 

• 

Barr EPA METHOD 2 

Engineering Company FIELD DATA SHEET 

Project NU*? 111 

•Sample Location I zi.) 5 %,kp,:s1-.. &' ) 

Date )4 

Operators 6-3 k 

Duct Dimensions 74- inches 

Port Length inches 

Pitot Tube No. iç Cp 

Manometer ID •Bar. ID 

Digital Therm ID T.C. ID 

6Katt -0 Asti Run 1. Run 2 • Run 3 

Bar Press (In Hg) VI:3° . 2 13° ?...Li. 30 

Stat Press (In Hg) 4% 6, i si .1.- (.1,•-(7, + 0-37 4 o,y1 

Temp - Dry Bulb °F i y r so vi a • 

Temp - Wet Bulb °F )96 Pf .1 

Moist Content -% • 

0,, % • . • 

Time of Meas. DSYS-• it? ; .5- II i 6- 

•Pitot.Leak Check Positive: Negative: 

,., • S 

Traverse Point information Velocity Head inches H 0 \,__ Stack Temperature - °F 

• - 

• point , 

Number 

Inches From: Run 1. 

AP 

Run:2 -., 

- AP 

Run 3 . 

AP 

i{t0......L04 .

•• AP ' 

Run 1., 

1Temp. 

Rurf2,, 

Temp. 

Run 3. 

Temp.' 

: Run 4' 

Temp. ' Wall Port 

' 0,40 -t•: q z Q:31 .6. q - . . 0 .gfc t),/7. 6: co - 

3 ,,:413..; .c.I. 0, q - 1 . o . <Li-. 

b..(,;(9 , t. .L. 3 0.- CC> 0. 5 • S` -'0 -.. cy, -1Z 0 ;"71 c). -7 y. 0.(or . 

• - 73 - o..'. 

O. ' 6: 71 o . -7 2, 6.C,1 

eJ. 70.. 0 ..61, ,,.. 6'.' .. .6, co.q. .. 

.-3-') . • o..G.2- 0 ..-C,..6- 01; GI c. C.79 

•9- .1i.) . (::.5 r. -d- 5.- `•• e,, .r1 • 0.3". .7 

•.1` I ''t)-9 ° 111 6 6 -cl 1 ' 6..5- 0 

• • ‘. /7 • . d.g. o.g.z....0..141.1 •O. VS- • 

6. . --3•1 . 0. -z.:i • (., 3 ei 0• :se( 

z . . 5. LI Z. 4 3 ..... 0- -Z . a, 

• 0 f' c, ii.5- ot-S.z ,,,, C-:( . .,... 

76 

6..73 • 

•t, 73' C-7 (f (:,.. •3 &. ..7 • 

, 

• 1 0, :7N •0 ,1 y 6, 71 cv--7 3 ,. 

•t`..7 . 775-, C.1 . 7 :. L-.. -IA . 6.11 _ .,. 

0,7( • .0,.1 1 ... . t„) . I.( 6. 6;7 

W .• • C tj. 6•C:L k. ‘,1 03"-g 

. 'it 6.. Go. a .T.c. •D. 4. t 9 ..c Z . 

.1), (13 4.1. -S-i / .. . ch (47 . 

IVIWatatita Run 1 Run 2 Rurt,3 Run 4 

Stack Pres. - In Ng 1, 

Duct Area - Sq FL' 

Mole Weight : Md 

Mole Weight - Ms - > 

Avg. Temp. - °F 

Average ■/,0 

Gas Vel .:. Ft/Sec 

ACFM , 

DSCFM / , 

Schematic of Duct Cross-Section 
Moisture Recovery Data: 

Impinger 1 2 3 

Final wt., g z al i 2 ,;), e Gq 

Initial wt., g /b, b /06 

Difference ) z9 z.E, 13 

Integrated Gas Sampling Data: 

Box No. 

Bag No. 

Bag Vol. 

Leak Rate, cc/min 

02 Reading 

02 Analyzer No. 

at 15 in Hg 

PA EPA METHOD 4 

Engineering Company FIELD DATA SHEET 

Project Nortli /YLA:A3 CM 3 SM P Pitot No. 15- Cp . Sig Sa

Metery / Wo Bar. Press. 29.36 in Hg P

I Orifice EH @ t 7 Z.S7 Po

Eff. Probe Length 7 ft Liner Type:111 Glass 11 S.S. El Other 

Sample 

Point 

Sample 

Time 

zx i 

Meter 

Volume 

vm, tr 

Orifice 

EH, 

in H20 

Sample 

Volume 

AVnn, tr 

Sample 

Vacuum, 

in Hg 

Stack Sample Train Temperature

Temp. 

Is, "I-- 

Probe Filter lmpinger 

Outlet 

M

I

(J3 ) ( ( A - - :3 % 37.'' ) • - 

1;75' '1 „3 3,c I Li/ zyL z 3 Ei .7 41

z at) li,t/6 .17 I 7S-- '3,6. q Y. (.3" I L-// z 3 r. 2:S 41 .6

3 a Ss CS-D. CC- /. "75'" 1 g 9 0 i v VI"?' Z 3C, c 1 6

4/ 2 c- (,<LI "Zzi /. -7S- 3. / r Y S- i '37 vz z I 

r .2 s-- 6 5715- r'75-• s. i'-'. , y. 5- Hi* zstz_ zyz. 

C. i . '7 r i . '7 5'.- 3.9C tk s-- i LA-- •zY 7 z -0' (.3 (.-., 

i '7 r 3. (or if. S- /4, 5- zii z_ 2-3 1 & i 7

(.61.3s— I, 7s- 1 . 4) 4/ c-- i vs- z Y Z. z 3 -z_ 7Z 7 

3 v <- G73. IS— / 7s— 1. L-C 't, r /,/ V "2 y7_ z 3 S 7L 7

‘( Vlb 6%, S 1. 7 r- 3 „c1 c L/, C / Y 7_ zyt Z33 "7/ 7

r cs— c,,,I. --/s- 1,7 C 1 - ci7 1,/,r ) 'I Y zsiz_ z 33 

(:)(sst.:. Z. I- 7s- g- .5- I Li 2- 2 .12- 2_33 

1 ociirs") 

Vm= SI=1-= Ts= P-I5 

Sample Location (.;,.,c iz wi,4. 6.11 

Date I212u I a) Test I Run 

Operators 671c, 
Box No. 

Bag No. 

Bag Vol. 

Leak Rate, cc/min 

02 Reading 

02 Analyzer No. 

at 15 in Hg 

BA • EPA METHOD 4 

Engineering Company FIELD DATA SHEET 

Project A)'' /1/;41 ■ 11_5 CM 3 SM P Pitot No. I Cp Samp

Sample Location ElE4 120? Meter 7 l.c Bar. Press. 2.9./ i,n Hg • Pr

Date 2.) Test Z Run Orifice AH @ -7 2 s' I Po

Operators fyak f/c s Eff. Probe Length. 7 ft Liner Type:0 Glass 0 S.S. 0 Other 

Sample 

Point 

Sample 

Time 

Al 

Meter 

Volume 

VM, tr 

Orifice 

AH, 

in H 2O 

Sample 

Volume 

AVM, tr 

Sample 

• Vacuum, 

in Hg 

Stack 

Temp. 

Is, "ISample Train Temperatures

Probe Filter Impinger 

Outlet 

Me

In

II - Y .Z . ) ( (6)CcIl ) ' - ''.%',... 14 -03,:.:1 , . :'..fi '7 " -I' '`,.::-.V. .•:!, 7.6:'.::

A - t s-• s *6 7 Gs I .• 1s- 2.77 1.0 I'S" 2. YZ 2.32_ 

z ia 57- 3 . 0 0 i 73- 3- (32- 3 J.) i ic zy -z_ -z3 z... qtp- 5?

i S-- S '17 ,Z-1 l . 7 1 - Ts'? 3 ,t) i /S- 2. ---z -z..3 -?... 

Y 7,1 c-1 -31.1 r" I .7S 3.7ç" 3.) us-" 7-YZ Z. 3 ••3 .5 -3 6,

s31. cit; i , 7 Se 3, S7.-- 3. v . ? 1 4-- 2-Y Z.. 2 3 1-- ,3-7 6

(.. 53C:lz /.7 -- 3 , 3 -3 ..5- j i 5— Z V Z. 2 .' (.._ -3- c

1 r VZ.S 5- i 7) 3 - c.c) 3. (--, 1 11 "Z '-/z, z ''S z... cr., 1 il; 

Z ‘-f& Scit. 3 <3 1, 75- '3 .1. i 2. 0 1I r" ai z_ z 3 -7---. 3 WC- tSb , 19 /.75" 3 • .- ci 1/ C., 2Y Z. Z 3 *3 6 6 6 S

5‘4 , 0 '-/' I • 7i— 3. S3 '3 .. 0 1i -LY L_ Z3) 5- 7 6.5

c 5"i 7 1 - 7r •_ ). '&7-- -3,C) 1/ • 10. Gi 1:75- 3- CZ- '3. b i !C. -vi 7._ 2. 3 3 5" c-- GC

( i 6 .47-) 

, Qr= VM= AFr= ' -. • , 7:1.. --, ..,c. ' - i 

Integrated Gas Sampling Data: Moisture Recovery Data: 

Impinger 1 2 3 

Final wt.; g i: - I% II L. 

Initial wt., g /0c, to cl ;(..),:_, 

Difference 96 i7_ ID 
Box No. 

Bag No. 

Bag Vol. 

Leak Rate, cc/nnin at 15 in Hg 

02 Reading 

02 Analyzer No. 

" Project A.) .,.,.-4 I\ Au', &I: 0'. ,,, cm .3 SM P Pitot NO. • ) c Cp Sam

Meter y i. coo Bar. Press. 2.q.1c- in Hg. P

Orifice AH @ 1,-M S- 1 Po

-i' • ft Liner Type:0 Glass 0 S.S. tswy Other

Sample 

Point 

Sample 

Time 

6,1 

Meter 

Volume 

vm, it' 

Orifice 

.6,H, - 

in H20 

Sample 

Volume 

6..vm,_ ty 

Sample 

Vacuum, 

i n H9 

Stack 

Temp. 

Is, 

Sample Train Temperatures

Probe 

0 

Filter lmpinger 

Outlet 

, M

In

( 163G ) (5/./ve.. 13 (.3) .',5,7k ,,-1.-- .2 , - ..,- ..F. i T,;.! ' :Wi'''' • fp. 

• C Sk,C, 1 G / , 7S- a 7.1.. 44-d 1 1 C zci L. 

z.33 4(7 

e673.35- 1:7 5- •5:7 ci , d /16 25, Z. '23-S 4,7 (-,

107, 7( 1-75 - 3. 51 -i. e J1 (..: -"zYZ_ Z3.3 Y 7 6 

5- 2.,' i - -7 5- 3 - 83 ..--t 5- .1 1 C z Ce / 7_ 3 -1, c-Q, k

• 6 3 ° (4.5— i 7 r :3 . 4g1 'I,s- ( I C 7 5ii . 2.3 '5 k

- i 15- et4i4i-V, 1-7s- 3. 79 y. r. )1 C 7 (IL z3 

Z L( ) 19 Z ,VS-- t. 75 3-1t q, s-- r r G 2 Y 2- 2- S _.? 

3 45- vt& -7....5- i. 7s- 1 . (4, q S if C 2. (Y Z.. Z 5 4 .5- 5- 

.LI ciao.65- 1,7S- 3<7Cg ilf,s--- Jr 2Y z-- Z33 cs--- : 

5-- • s-s- 963 ,V3 j.75 • 3-W i-/,5- // ‘ 2. / Z-3.3. 6 

It. Co qD7 , 63 /,rs' 51 - S- 1/ (a --Lrf z„ -z .3. 5 6

- --(-44-3-5H- 

( 1 -739 ) 

• 

• 

• 

, 

Vnn= A-Fr= ,,, ..'t =' . ,^7. ,:!:,c...tpi-A.: :`....y:, :...?: '1';',..'4 

Sample Location Ex), •1 263 

Date. j 2-12.4)c. Test • Run: AI 3. 

Operators WI( . (443 Eff. Probe Length 

- Moisture Recovery Data: 

lmpinger . 1 • 2 

Final wt., g • +ft. 17z 11.L IN I C'( 

Initial wt., g ...E WO Jot i u0 

Difference 97_ i y 0 

Integrated Gas Sampling Data: 

BA 

Engineering Company 

• EPA METHOD 4 

FIELD DATA SHEET 
BA B I 

Engineering Company 

EPA METHOD 2 

FIELD DATA SHEET 

Traverse Point Information Cyclonic 

Flow 

.L° 

Ve ocity Head - Inches H 20 Stack Temperature - ° 

Point 

Number 

Inches From: Run 1 

AP 

Run 2 

AP 

Run 3 

AP 

4210 

AP 

Run 2 Run 3 _--- 

Wall Port Temp. 

1) - 1 0 . 31 o. 34 6. ‘0 e,3"/ e, Yi 

z. () .9) 6 ( S-t- t). (;,, 4, 3 0 (0 

3 o.S1 c), 5"Y (., gy a W tti 5- 2 

54 & YZ. 

C c.). s?- c), sT 0, c /- .,, 41 c.-..., C. C 

C. 0, s- 1( 0 , 60 b., 59- 0,, SY ty C (1 

7 6( ‘,6 C.( 

6, s-y ,.)..5- V ,,,Gi9 0. CY o.5's" D. 5- i 

to 6..57 0, cz 

ic O. SO 6, 5° O. ti3 tli c/f.. h. ill_ 

f L a. (A21 t> yy 6( iit 6, 91 6, q6 

6, i17 

Z. b ' 53 074. 43,V° 

3 

o. Go . G 0, 6 4 J. CO cs. (6 

1 .). cg 6,- 51 GI- r q 

T 0- 5-/ 04 c) 6...c7 

1 , 6, cA, b. tiff 0, SO 

(0 

6 , v2_ 

6. V3 

(I pi VS 0, qf • 

Cll 0 , Y ° 

Schematic of Duct Cross-Section 

Project MN-0. S4: rs 

Sample Location 66 ?— 

Date IZIZ114 

Operators /‹.- 

Duct Dimensions -7 re) inches 

Port Length .0e, inches 

Pitot Tube No. r Cp 

Manometer ID Bar. ID 

Digital Therm ID T.C. ID 

Run 1 Run 2 Run 3 Run 4 

Bar Press (In Hg) 21,/5- 2,/.5" -2,1)c- 79. )s-- 

Stat. Press (In H20) 4- 085— 4-0,31- it a_cts- t‘o,q6 

Temp - Dry Bulb °F i 7 0 17,0 1 7 1 i 61 

Temp - Wet Bulb °F i i 41, I t 9 i I ct n C4 

Moist Content - % 

02% 

Time of Meas. !'M$ , i33c I il Lir i 445- 

Pitot Leak Check Positive: Negative: 

Run 1 Run 2 Run 3 Run 4 

Stack Pres. - In Hg 

Duct Area - Sq Ft. 

Mole Weight - Md 

Mole Weight - Ms 

Avg. Temp. - °F 

Average ‘rAT" 

Gas Vet - Ft/Sec 

ACFM 

SCFM 

DSCFM. 
Engineering Company 

Project yU , ) cm 3 

Sample Location 

Date 1 -4-111\06 Test 3 Run I 

cfl 

BA 

Operators 

EPA METHOD 4 

FIELD DATA SHEET 

SM P Pitot No. Cp Sample 

Meter y 1,M6 Bar. Press. Zel./C in Hg Pret

Orifice AH @ Postt

Eff. Probe Length 7 ft Liner Type:0 Glass 0 S.S. rkiOther 

Sample 

Point 

Sample 

Time 

6, I 

Meter 

Volume 

Vm, Tr 

Orifice 

AH, 

in H2O 

Sample 

Volume 

AVm, tr 

Sample 

Vacuum, 

in Hg 

Stack 

Temp. 

Is, "F 

Sample Train Temperatures, °

Probe Filter Impinger 

Outlet 

Meter 

Inlet 

— ( 1 1 9° ) Meg , /51-) 1SO litt:',. IZIAN 

Pr- I s- moot 1.-7( 3.'%(. (1.0 i To 'zyz. z-3 -z- 3--s— 5" 3 

2. / ''. 9)5-,c1C _1_, 7 5.- 3. .7-51 1- .0 rZa •Zcit, 2.3 ( ...5`' z- 5-5- 

3 lc 919,11 /.7.5- ••%1 3 , S- 12 0 Z'? Z. 3 V 5- f & 6 

Y 2.. qz 3. em L'ir -3. <61 3- r / -z./ Z y -z 

s. itc,,qt 1.7c 3.%3 7- 5- 11 ( 2. 4( Z- -Z. S3 5- 5-- 67 

7c 3- S'Y 3.0 ) 7 i 2'/z. 

e), - I ) c 13`1- Li`i 1.7( 1 , ic 5- 7, cr /W 7.4, 1_ 13 3 <- 7- /o 

1. ye. el 5 t. _2 '1 . '-‘ /, 7 c 3 .S5 3. 5- 1 Z I 2 4.1 2- 233 S" I( 4—f.

5 to- 4 Liz:Co 1, 7s- 3,q3 9 A /2-( "Liz- 47 Z 

Li c- 9(403 / .7r 1.7-5— 14.0 i z. ( V1 1- 

C cc- q yet. 14% /.75- 1.. g5.-- q.(.) / 21 2Se Z.— S-1 '79' 

I. Go eig- 3- 7 3 1..75- 3. S5- ci a /2 6 -zvz_ z33 (4' '7Y 

(IzS3") 

o-= \ft= AFr= , __ , Th= ••• • •'•'.,.. _ ,- ' P ..„. , 4,

Integrated Gas Sampling Data: Moisture Recovery Data: 

Impinger 1 2 3 4 

Final wt., g /iv / i i toy 

Initial wt.,g 00 it) 6 i o ;) 

Difference CI L/ I Lf Li 

Box No. 

Bag No. 

Bag Vol. 

Leak Rate, cc/min 

02 Reading 

02 Analyzer No. 

at 15 in Hg 
BA 

Engineering Company 

EPA METHOD 4 

FIELD DATA SHEET 

Project /1)C.4L S 11 01 t- NI . r1.1-0 CM 3 SM P Pitot No. I C Cp Samp

Sample Location GO'L Meter y /.06, Bar. Press. 29.lc in Hg Pr

Date I 2- 12-L La Test 3 Run -T._ Orifice AEI @ i•7Z-S-1 Pos

Operators 0"11( ( ( (13 Eff. Probe Length 7 ft Liner Type:0 Glass 0 S.S.trOther 

Sample 

Point 

Sample 

Time 

A I 

Meter 

Volume 

Vm, nOrifice 

AH, 

in H20 

Sample 

Volume 

AVm, Tr 

Sample 

Vacuum, 

in Hg 

Stack 

Temp. 

I s, "F 

Sample Train Temperatures, 

Probe Filter Impinger 

Outlet 

Me

Inl

( 13)0 ) ( 9V9,03) 

, -.- 9574Y 1.7? '311 (1.5- / 20 2 y) z3c.t, 

Z. /.. 10 , 0 /. 75- 3.1.0 g. 5- / ZO Zq Z- Z33 Go 1

3 ir citE.s-s-- /.7s— 3. IL. 

3. 34, 

1:i67-- ei. $' 

i 2 (--' I zo 

-z.vz_ 

•zY2- 

2 3 

v - 100 ( /. ii— Z-3 z-- c.5— 1

c L$- et73.Ze 1.71 7,9, I 9. r i Z(- ZS/2 Z4 47/ 5-2' 

C. 3' — 1 7706 /. 7 $— 3. $ (1' Si. s— / zo 24.-/2... t 5 (?" S- 1 

C 950.9 Z. /.3S- 3. cg., Li, s4" i 70 "Z VI_ Z 3 2 S's g 7

'16 9S1.15 L 7 C 3. 83 c-6 i 2 4> 7Y Z. "Z33, l el • 

3 cis' 0118 121- /. 7 C 5. 40- 5 . .b 1 1 a -2 4/ 2- Z.33, a6 

„( 3-, 4 q1. ,(7 1./ c 7. '65 s'--- 6 / 2 0 "Z V I._ Z. ; ? C I 7 

cc sr 9ctL-3Z- / ..7c. 3 - S:5- S-- 6 i z ,..) Z y z_ 2 3/ 6, '5 7 

e, & 6. l000,1 01 i .7ç -3.5c1- c.o. J 7 1-4/2_ Z3.1, .L. 5" 7 

, 

Qr= Vm= ATI= 

Integrated Gas Sampling Data: Moisture Recovery Data: 

lmpinger 1 2 3 

Final wt., g / 1 y tit/ , 101- 

Initial wt., g 10 0 / 6i) i (.)i) 

Difference I `1 

Box No. 

Bag No; 

Bag Vol. 

Leak Rate, cc/min 

02 Reading 

02 Analyzer No. 

at 15 in Hg 
BA EPA METHOD 4 

Engineering Company FIELD DATA SHEET 

Project 4,i( 4 L m ; cm sm P Pitot No. Cp Sample 

Sample Location (-Oz- Meter y I .060 Bar. Press. z9, I5- in Hg Pret

Date 12.1z110 4 Test 3 Run 7 Orifice All @ / zS"/ Postt

Operators bItc-- ( CH) Eff. Probe Length ft Liner Type:0 Glass 0 S.S. k- Other 

Sample 

Point 

Sample 

Time 

A I 

Meter 

Volume 

Vm, ttOrifice 

,AH, 

in H20 

Sample 

Volume 

AVm, tr 

Sample 

Vacuum, 

in Hg 

Stack 

Temp. 

Is, °ISample Train Temperatures, °F 

Probe Filter lmpinger 

Outlet 

Mete

Inlet 

( 14 ZZ-) (Doo..1‘) .,..:`: - ' ,g!.-.' , 

tW ;1=8) 1.7S- 3 - gH 3, S". / 2-(=. Vi3 73) 6 3 "1-1 

2. / 6 os, 0 CS j.7-C. 3. ci, (1,, 3.5- i -zc . 29- z_ Z33 4, 6 7S- 

3 fr I,13 I.4se- 3.3C 3.< 

11 2 4.- 15.-Ci /-75- 3.Sq 3,,S Iz`-) zi-/ z__ -z3 -z-__ C.6 '-l< 

ici.49 r,7s- 3. cd (6 3.S- i 2 `. 2 41 Z._ 2-3 -3 c-9 :7-1 

2 3 .0- f. 7 r '3- 11.g 3-5" / 2 4-1 2.41Z. Z3 3 S- 9 "-17 

6 . 3 C- Z7. (17 I. 7s- 3. 1,(a 3-5- /Z 1..Y3 7..33 cg 49 

2 Yb 31,3o 1 , 7 r 3. e61- 3.5- it -zy z_ 2)3 5 ? •7g' 

-5 Yr 35-, IS f, 7 C 5, 15- 3.5 17(. Z'Yr_ 23 3 57- 7 

sr-':' 39. 0(-) t. 7C. 3- 40- 3.5" i 7 ,1 2Y z: 233 S..if' 7 1 

C -5- c- Lit .(43- f. 7 (..- 3. S.c 3.5- / l'-' zy z_ Z3. 3 Sic -T et 

1. 7c 3- VC, 1,5--- Z.3"3 S' c1 

(is-zy) 

i 

_ 

-. - Vm= ,A-Ft= , ,V.O.'•V .= ' ,..,,,,, 4, ' -:;',, 

Integrated Gas Sampling Data: Moisture Recovery Data: 

lmpinger 1 2 3 4 

Final wt., g I qz- /I G 106 

Initial wt., g 16 b ic.) 0 t 4,-> 

Difference ej Z. I (.40 . a 

Box No. 

Bag No. 

Bag Vol. 

Leak Rate, cc/min 

02 Reading 

02 Analyzer No. 

at 15 in Hg 
Appendix C 

Instrument Output 
I 

11

I 

11

1 

1

1 1, 

Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

NOx Output 

1047,A Wholiallo M MI w 

ommnuomnInnunnnnonnnnonnonnminnunnurnionnunnonnomn nwnimimmonnmennonnumniummonnommonmommumnumunom 

•NENENINHENENENNENENNESMEEMERNEEENNENNEMNENEMNONEN 

NONENNENNEEEMMEMMEENNOMENNENNEMENSONNENNOMENNNNENE 

EINMENNEEHENEEMENGUM WEEMMEZET.ENENNNENNEMINENNEME 

MEENEEMEEMNE■F"MMEgRNIEPAINKSEMENOMEMENENENEMENENNEN 

EMEMMEMMENEMENEENESE NONNONEWm0MSENANNENNOMENNONEE 

MMERMMEMMIUMEMEMMINIMEMPANRIMMEMEMIMMINIMEIMMUMM 

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........ ..... 

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P ' 

P..- 1 

'- 

Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

NOx Output 

• mommomummummumummomummommommul smssmmmummlmmmmnmiuumnmlmmmmmmmmmmn• 

MENNEMMEINNUMME EMMEMMENMEMENM MENNENNEEMENEMEMENE 

MEMMEMENOWEIMMEINNEMINEEMMENEWININNBINEVENNEMBINEMt 

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NNUMBEMMENNEMENNUMEMEENEEMENUMMENNEENNEMENUMMUMME 

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Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

NOx Output 

mommummindimmommlummumummilommummommommummm• nummmummumummimmommilmommummummumuglimmumm 

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Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

NOx Output 

EMINIMMUNEMMUMONEMMENEMEE • • _ m..., ... ■ 

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Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

1;;;;;;11111 1101 1 I I 001 I 1 II 1111111111101111 111111111111111111111010111101011811111101111101011111110100111 011111111011111 11101111011011111111111111111MINIENNIIII momumorn ino onumpumpummoidintomoliumununol mouumum uppowinunumummoofinummommumpoom 1 1110111111411111111111111111111111111111111111111111111. 1 

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Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

(-- 

111111111111MOMIM111111011111161111011111111filiiiiilid11111111INIMUMEMIll 

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Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

111111111111,11111,111111111l 1 l. 

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6 
CO2Output 

Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

02 Output 

Urn HUM 01111111111111 11111111111111111111111111111 1111111 11111 MINN I NEM 

0 0 ill 0 011111111110111111111 III I 0 0 I 111111 .11..uoim.u...nooLlum.o... 1111111111111111 111111111111111111111111111111111111111111111111111111111111111111111111111111111111 imomillommelmmoppiimoommommomi 111110111111111111111111N1111111011111111111111111111111111101111111111 11111101111111111111111111111111 1111111111111111111111111111110111111111111111111111111111111 

. - - - - ---1 

, ..011.111 II 

111111111111111111111111111111111111111 1111111111111111111111111111111111111111111111111 

.2. 1 liffilii1111611111111 11111111M11111011111111 iiiiiiiifibliall1111111i 

1111111

i

1111111111111111111111111111111111111111111111111111111111 11111111111111111111111 1 1111111111111111111111111 1 1111111 

1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 

11111111111111111111111111011111111111111111110111111111 1 11111 111111111111111111111111111 

11 II 

111111111 111111111111111111111111111111111111111111111111111111111111111111111111111111111 

.1111111 IIIIIIIIIII0 111111111111111111111111111 111111111101111111111111 

III 11111111111111111111111111111111111111111111111111111111111111111111111

1

1

1

1

1

1

1

1

1

1

1

1

1

1 

11 1 1111 I

III 11111111111111111 1111111111111111 01 1 111111111101111111111111111111111 11 
CO2Output 02Output 

Northshore Mining Company 

Line 12 Waste Gas Stack 

12/20/00 

, g i ' i • 0 

PLINNENINg It I giiillintabliMINIMMIM1111001061111111110111111111111111 1 Full Ir gr ' if I I 

1111111111111111111/111111111111101111111111111111111111111111101111IIIIIIIIIIHINIIMIIIIIII 

11111111111111111611111111 PI I AMP' If ' 11 111 t "T. airing' 1 g' ' ' I ' 1 

momonmoiifinummummuummumummiliiikimmiimgomom 

hu qm u hm r; NIII I I I 11111111 IIIIIIIilh umummumnommummommoomonvoinitmorwin 

0 

11111.. AIN ,4111111111121 ■ 1rniiii MiltSWUM 1111111111111111111MMINIUM Innisainginsiumummummiumoneumuumummunmullon 

I(IIIHhIIIIIIIIIIIIllhIIIIIIIIUIPllUuIIIH000 lIIIIlIIHlIIIuIlIIIIIIOhIII 

01111111111110 I NM 11 11011111 Of Mk' ,1 ihdiNiE111 1 

-p 

, 

11111111111111 11 

I I

11111111 111111111111 11111111111101111111111111111111111111111111111111111111111 

1111111,1111111101 i 

I 1 1 1 i 1 I 

1111111111111111 11111100111 111111111111111111111111111111 1111 11111 111111111 111111111111 

01111111 1111111111111111111111111111111111 HI 111111 IMRE 111111111111111111111111111 

1111111111111111 IM11111111111101111111111111111111111111111 111111101111111111111111111111 . 1 

! 

i4 

II I 
Northshore Mining Company 

Line 12 Hood Exhaust Stack 

12/20/00 

NOx Output 

rimis n 

MEMEMEMEMMEMEMEMMEMMEMEWAMWM6EFEEMEEMEEMEEMEMEMEME 

 •MEMEEWERWEEMEM•EEE••M•M•••E 

EMEME•EMEM••••EMEM•••EMEMEMEWEE•ZWEE=IM•MEMEME••ME 

MEMMINEEEPOEMEMEEMEMMEMMENEENEMEMEnrWMEMEMEMEEMEME 

EMEEMEEMEMEMMEMEMEMENEMENEMEMEMEMEWAMEMEEMEMEMEME 

LEMEMENEEMMEEMOMMEMEMEMEMEEMEMEMEMEEMEMEMEMEEMEEME milommommummummummmummummimmummmommummm. 

REEEMMEMMEMEMEEMMEEMEEMMEMEEMEMEMEMEMEMEEEMMEMEEME 

MEEEMEMEEMMEMEMEMEEMMEEMENEMEEMEEMEMEEMEMEEMEMEENE 

OMEMEMEEMBEEMMEMEMEEMEMEMEEMEEMMEMEMEMEMEMEMEEMEEE 

MMEEMMEMEMEMMEMEEEMMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEM 

ME•E•ME••MM•M•MEM•M•••EEMM•E•MME•MM•M•••••ME••EE•M 

EMMEMEEMEMEEEENINE,ZEMEEMEMMEMIEMEEMENEEMMEEMMEMMM mormarmilimmommia-amwmorcswarmammommumummum mummummummaimmmammillimisaimmmummimmommuum 

• EMMEMEMEW4EMEEMMEEMEEEMMEMEMEMUWEEMMEMIEMEMEMEM 

• EEE••E•EENMERE•E••M•••••M•MEEM•LEM••E••E•••••E 

EMEMEMEMEMPUEEMMEMEMEMEMMEMEMEMMENEMEMENEEMMEMEMEM 

MEMEMEMMEMEMEMEMEMENNEEMEMEMEEMEEMEMEMEEMEMEMEMEEM 

EEMEIMEEEMNUEMMEEEMEMEEMMEMEMEEEEEMMEMEMEMEMMEEEM 

MEEEMMEEEMPEEMEMEEMEEEMEMEEEMEEEEEImEMMEMEMEMEEME 

EEEEMEMEEMMEMEMMEMEMEMEMEMEMEIMEMEMENEEMEMMEEMMEEM 

••••M•••••EME•E••••EMEEMEMME•EMEN•EME••E•EMEM•ME• 

••M•ME••••LI•••••MEMM•M•ME••ME••MEMEM•••ME••MEM••• 

=EMMEN' NEEMEEEMMEEEEMEMEMMEEMEMENEEEMEMEMEEEM 

••1•11•••11•1•1•••1•11•1••1•••••••••••1•1••••11•• 

EMEEMMEMEMMEEMEMEMEEMMEMEMMEMEMEMEEMENEMEMEMEMEEME 

MEMMEMMEMMEOMEMEEEEMENEEMEEMEMEMEEMMEMEMEMEMEMEMEM 

MEMEMEEMEMEITEMEMEMEEMMEMEMEMEMEMEEEMEMEMEMEMEMEMEM 

MEMEMMEMEMENEEMEMEMIEMEMEMEMEMMEMMEMEEEEEEEEMMEMEM 

MEMEMMEMEMEnEEMEMEMUMEMEMMEENEMEMEMEMEMEMEMEMENEME 

EMEEMMEMEMENEMEMEMEMEEEMEMEMEMESEEMEMEMEEMEMEMEMME 

MEUMMEMMEMIUMEMEMEEE EMEIMEMENEEMENEMENIMMEMEMEMEM 

NEmEMEMEEPWEEMMEMEEE EEMEMEMErOMEMEMEEMPEEMEEMEEME alummumrsmilimmilm mmillimmiammommummummiu 

MUMMEMEMMEMEMEMMEMEM MUM 1 REMEMEMEMEMEENEEMEMEME MEEMMEEEMEWIEEMEMEEMMEEMI MEUMEEEMEMMEENEmmumrn 

MEMEMEENEMEZM EMEMEMEMEIEMEMEMEMEIMEEEEEEENEEMEUEM 

EMENEMEEMErm MMEMEMEHEEMEMIMEMEMMEMMEMEMEMEEMEmEM 

I =MUMMER ME EMEMENEEMMENEEMIEMEMEMENEMEMMEEEMMEM NEEEMMEEME AM MEMEMEMMEMEmEME mmimmommommommumms 

im

nommompammmummummummi minimmommommummi mommommgi mmom immumummummummommumm mommummwmormi MMUMEMEMEMMEMMEMEMMEMEMEMEEM 

EMEMEMEMEMERAMEM IEEE•MigNEMEMMEMEMEMENEEMEMEMEMEME UMIEMEMEEMMEMEE EMU EimmEMEMEMEMMERIEMmEEMENEEEMEME 1 

EEEMEINEEVieNENEEEMEMEMMEMEMMEMEMEMEMEMEMMEEMEEEM 

MEMEMEMMEMEVEMEMEMEMEMEMEMEM MEMENUMEMEMEMEMEMEMEM 

MEMEMEMMEMEMEMEMMENEEMEMEMEM

I 

MIME EMEMEmEMEMEMEM 

EMEMEMEMEMEMMEMEMEMEMEEMMEMEEMMEMEM mopmmummommom 1 mmummummmwmommummumwwwwwwommom•mmmommmummmom 

MEMMEMMEMMEMEMMOMMEMMINIMMEMMEMEMEMM MEMEMEMMESEMEM 

MEEEMEMEEMMEMEMEEMEmMEMEMEMEEMIEEEEMMEMEMEMEMEEEEE 

EMMEMEMEMEgaMMEMEMEMEMEMEMEMEMEMMEEMEEMEMEMMEMEEME 

IIIIIIIIISIIIIIIIIIIIIIIIIIIINAIIIIIIIMAIIIIIIII1 .........N.N...............m.m............mimm. •...•..•.•r..•••mw•••••....•..•••....••••.•.•.. ..........A......1.........mirm...r....... immilimmme mom' Implomplm. momm.mom mmommilmm MEMEMEMEMEREEMEME•MENEFEE.= EMMEN•MEMEMEMEEE 

EMMEUMEmEM 

MEEMEMMEMEIMEMEMMEMI ME MMEEMMEMIMEEEMIEUMMEME 

NEEEMENNEE RMENEEME ME momMEmEMMENEEMEME EMEMEMEM 

I 

AMENEMEM ENIETEMEMEEMMEMEME MENEM. 

ENEMEMMEMEMIEMEMMEm ME pp mpommpommommemommommmm mummmmmimptmmommpmm mm m. mmmmmummommmommmummmm 

mmompomm mmnpummmgm popmemsmmummmmommummmmumm mourn' mmEmmimmomm mmmompommommm EMEMMEMEMEMEMEM 

MEMEMEMEMEIMME MEM MEEMMEMEMEMEM EMEEMMEMEMEMEEM 

I MEMEMEMEMIENEE morn EMMEMMEMMEMEE EMMEMEMEMEMEEME 

EEEENEEEE-woMEMEMEE EMEMEMEEMMEEE•MEMMEMEMEEMEEME 

MM 

nommommommwommmipmp mmommmEmmommummummommommumm 

HEMEMMEMEMEMEEMikW ImirOgIENNEMEMEMEMEMEMEM 

MENEMENEEMEMEMEMMIN mEki 4411A pimAMINEMEMEMEMEMI OMMEMEMEMPEENIEME ,MEM MEM hm EMEMEEMMEMEMEMEMJ limmmummmommunimmomm mmm mom mmummummommommomm pummommmmimmmommulmmmom mwmpommmommmommummumwm 

elommillum milmmill mmmmmm EE miemil mprommimmummum mormimffiiiimiimmirm ,i_ mmemmilmmammummiumm 

mom mmommommumm MEM I FIN ENEMENEFEEMEMMEMMEME PENN NEMMERWINNEMMMEE MUM MEE MNEMEaMOMEMMEMENEEME nmmemmummtmsniamMUMMummommommommommommommummummm wmpmmnompirmgmmulmmommimmommummommommimmommommm ME.MMEMEPE mmmommomm mums mmummummmommmummommm ograunfig mom= ...11.1110.....1........ml all• mmommummummommmmmonnum MEMEMEMENEWffil We:2MM= mommummommommommommmumm mompmmunimilmmenormmum mmummummummmmommmmmmi ImIlimmimponnimiantonmm mEMEMEMEMEMEMEMEEEEM MEN N INN NI mumN EN EEME MEMEIMMEIMI u MEMEMEMEMi mi Ilp imp ilmimmom imili u 

mmmmimmom 

mom pmm • mommmmomm Arm w • • mm mmmm VIIIImmIle " 911111,1111 maw pii6p4,..mp mommommom 

iimEmillmiiiiii MIMI 1 mIlk1111111111111111111 

mmemipmmem 

I 

mmompliminapom imp" 1

mm•imm

mm mmmmimmmmmmom mmmo mftmmmillica mom mmmm mmmm mm mom mom moms mom rWmmmmpm imam i mi

u

mmi minimum mm'ImmIrprimmpimp mmom pwmp p•pm mmm mm Immipmummomm 

INENUE/CM,MMMAMA EmElimEEm • mE MEM NM EMMEMEMEMEME - EMEEMEIMEMEEMMMENEE MEIN ME MEM m mmmmommommmmmi mos mmommmmimmom mum mommummommmummmummommmmmpmm mumnsormammul morwrimmwsrmimpsimm- mmumummumgpm aminmopmanWpit mmwrionummoweagmmomm- MEMMEMMEMEMMmAR UREMAmEMIIEWM EMEME_AMEMSOMEEMEMEM • MMEMMEMEMENEMEMEMEMEMEEMMEMEMPEMEMEMEMEEMEMEMEMEM 

EMEEMENEMMMEMMEwEEEMEMEIMEEMEMEMEZEMEEEMEMEMEMEEEM mommummosimmommNimimplim milimmdmommummmommeammem 

EMEMEMEEVMENEME•PMEMEEN EMEWEEMEWOUMMEMUUSMEEMEMEM 

• mmwmommaam•ommammem•mommunimmimmummumminimmommomm EMEMMEMEMEMENEMEMEMEMEMErEP MEMEHMEMESEEMEMEMEM 

•••••••••••••••••1•••••M'wligraDAEWESZEMEEMEIMEEMEME 

mommummummummmomm MEMEMEEEMEMEMEWEEMMEMMEUM 

A••MEME•EMME•EMEM••EEM•EMEMEMEMMEMENEMEWEEMEMEMEAU 

MEEEEMEEEMMEEMEMENEEEMEIMMEMEEEEMMERMEEEEIMMEEM 6MEMEM=GMEMmmEMMEME2m==mg2EmMO '77MX=MmMEEEM EMEMEMEMEMEmmEENNEEEEMEMEmEMEEMEMEMEIMMEMEMMIUMEM,; 

MEMEMEMEMENEMEMEEMMEMEMEMEMEMEMEEMEMAoWapOMEMBEEM 

• EMMEN M ME •U ME ME•EM•E•E' IRS • • IEEE 
Northshore Mining Company 

Line 12 Hood Exhaust Stack 

12/20/00 

NOx Output 

immUNMERICAMMUMOPMEMEMIUMEMMEMBEINMEMEN CM MOMEMENDOMMEMINMEMMEMEMEMMEMEMMEM 

luMEMMEMMEMENOMMMEANCENEMEMEMMUNNEMEMEMEMEM 

HIMOMMEMEMEMEMINEEMEMEMEMEMMINNOMMIMMEMEMEMMEN 

MUMEMEMIIMEEMINMENEMEMEMMEMBOMEMMUNMEOMMEMMEM 

MEMAMPICOMMELMAMOMMINMEMMENIIININEMIUMMEMENN 

WEMMIEMNAMMWOMMUNIMEMMUMBERIMMEMEMENMEMENEE 

MIUMUMNEMEMEMMEUEEMMEMMEMEMOMMENEMEMINMEEMMEM MR PINIIIIIINMMMMMEMINMMNMMMEMMMMMMMMMEM mommommunimmomimmaiminmommemsnwpmmunwommumm 

WIMMEMMAMPIMENOMMENMEMMIIMMILMMWRIOEMORAMORMEEDI 

NMEEEEEENMMMMMNMMMMRPNENMMWMMMNMNMNMMUMUMMMMEREMMM IMMINMEMMUMw mm mR010me4MMUMWAIIME,PREMommilimummilmo IIMEMNIimMOMENIMMSEMMEOMMRCINAILMCAMEMEMEMEMERNMENE 

MENIMMEMMEMMEEMMOMMEMMEIMMEMIUMEMUNIMUMMEMEME 

IMMEMEMEMMEMMEMMEMENNUNCEMEMENIMMEMEINIMMEMEME 

IIMMUNINNUMIMMUMNIWINFMMMREEMIMINEEEMMEEMMUMEME 

i 

WIEMEMEWMPROMMUMMEEMENMEAWMIMMOMMEMIUMEMEE= 1, MEMEEMORMEMWEIMMUMEMIUMIMMIE MOMEMEMMEMEEMEN 

MMEMMEMINEMMEMEMEMEMMESNMEM MENICUMEMEMONMUM mommimmmomminimmommummin EMEMEMEMMEMIUMMEMEM IMMEMMEMLIMINNERMEMEIMEMMIWOMEEMMIUMMEEMI 

MENENMENEMENUMENIMMEMMUMMIUMEMMEEMIMMENUMMONNEM 

MEMMEMEINUMMUMMONEMMUMMINUMEMEMEEMEMEMOM 

IMEMMEMEMEENEMENIMMUNMEMEMEMMEMEMOMMIMMEME 

MEMEMMUMENW2MEMIMMEMIUMMUMMUIREMEMEMMEMMEMI mummumummammummimmummommommommummenimm 

MEEMEEMEENOMMEEIMMEMEMMENNEEMEMMUMENEMMOMMENE 

MIMOMMUMEMMUMMINEEMEMEMMEINUMEMEMMINIMMEMEMN 

ImEMEMENMEENNIMMEMEMEMEMEMMEMENEUMENEMEMOMMEMEMM 

WOMMEMMEMPAICOMEMEMMEMMEMMEMEMESMEMINEEMENEMEMENIC mmommommuwirommumummommumummummommummom ummummummumommummummimminummmummommk 

IMMEMENENIFICOMEMNMEMEMEMEMMEMOMMINEMOMEMEMMUF 

MEMEMEMEMELMEMEMENEEMEMIMMEEMEMMOMMESEMINEMEE 

MINEMMEMEMMUMMEMMUNEMEMIMOMENIUMMINEEMOMMEMEMM 

MMEMMEEMEMMEWEEMEMEMEMMICIMMEMEMEMENUMEMENEM 

IIMMMINIMMENWAIMMOIREMMIUMINMERMIENMENEMEMIUMMIMMOMW 

MEMMEMMEMEMOMMEMEMMEMEMEMOMMEMMEMMEMMEMMIMMOMMEMEM 

MEMEEMENEIMAMMEMIUMIUMOMENMEEMMEMUMNINWEEEM 

MEMMEMMINNIPMEEMEMEMEIMMEMEMINMEMEMOMMIMMEMM" 

limmilEUMMOMMENEREMEMMENSNEMEMEMENNMEEMNEMMEMININE' 

IMMENEMEMEMWMINMEMEMENEMUNIUMEMMINEMEMMUMMIUM 

ME•••NUMIE•EN•N•INU••ENEMEIMIEMEMMEMMONOME 

INIMEMINMEMMEEMEMEMEMEMMEIMMEMIMMEMUNWIM• 

INIMMUMENEMAMMUMMEMEMEMEMENIUMEMEMOMMEMEMMEM 

INUMNIMMORMEMMUMMEMEEMUMMEENEMEMEEMMEMEMEMEMEM 

IIMMUME•UMMU•M••EN•MEMEMMENWIMMEMEMEMEEMME 

OEMEREMENLANNEXEMEMEMEISSUMMIMMUMMENEMEM. 

MEMMENUMUCOMMEIMILIMMEMENIMMEMOMMUNICIMEME 

AMMOMEMINIMEMMEEMEEMIMMEMUIENEMIECAMMEMIC 

MEMEMEMEIPMEMMUMEMMEMMEMENEMEMMEMMIUMBEE= 

MEMEMEMMEMMINEMEEMEMMEMENEMEEMEMUMENEMEENMEMEIMEM 

MOMMEMEMEMAIMMEMEMINUMINEEMOMUMMEMEMEMEMEMN 

MEMMEMBILMUNMEMEEMMEIMMUMMENEMEMMEMMOMMEMEM 

MEEIMIUMEMERMIMMAMMIWOMOMMUMEMEMEMMEMNEMEMEM 

MEMMEMEMEMENEMEMUMMEMEEMMEMEMIUMMMEEMENUMM 

EIMEMEMMEREEMMEEMEEMEMMEEMIUMMEMEMMEMMINE 

MMUMMINMMOVAIMMIMMIMMEMMEMMUMMEMMINIMMINIUMMEM 

MMEMMMINIMMEMMEMMEMMEMEMEMMIIMMOMMEMIUMMIWIMMEMMEM 

MMEINIMMEMOMEMEMOMMEMMEMEMUMMEMMMENNEMEMEMMOMMEMME 

MMEMEMMINIMMUUMMOMMEMIMMOMMEMMEMEMEMEMMIIMMEMMEMM • MEMMEMMEMO••E•EMMOM••M•EMME•I•E•M • MEMMINUMMMEMME 

MEMEMERUMMEMEMMUMMEMEMEMIMMIMMENIMMEMEMMUMINNE 

••M•••M••MERV•NE•OMEMEMLUMEMEEMEINIMEIMMUMMUM 

MEMEMMEMMORMEMIUMENMEMENEMEMEMEMNUMMEMEMMEEMME 

• UMMI•E•M•NUMEMMUNMEMEI•EMMUMMUMMIUMEIM 

NUMMEMEMOMMITMEMEME IMMEMENMEMMOMMEMMINEEME MNEMEMBEVOLOM EINUNOMEME 

MEMEMINU 

morimmiummommonnommum 

1 amommmmommiliMMm mmummommummi.mmimmomummommimiu 

MEM UMEMEMEMEMMEN MUMWMENEMEMEMEEM 

MININEEMEMEMM IMMEMENNOMMINUN MMEEMNIMMINMEM 

IMMUMNEEMEMMIEUEMEMMUNIMMEME EMMEMEMMEMMEMEMEM milimmimmilsimmommummilmmummumimmummomm immuummmammiummummumummmiummommommumms immumommmumnimmummumismommumminimmimmomm mmummimmummommumminummimmumnimmumm mummummmummommum mommilimmummommumumm immimmummirmaimmimmin immummim

mminimmommum milimmummummummummommummimum•mommumm 

mom

miumummormimmimmummommommur um mommommum Immmumummummimm

mmim

smmmu

imommi immunimmommumm mummumminmi ium mommommummummin mommummmimmAimm ms mums mmommommommimmmou simmmummimmwommommummommummummmiummomm emsram------mommtpAsmorminviummommummammmumm miumemmommillammum-ammirmaimplummmumm 

mummommummmummommmos EIMO:=MAMMEMMEMEMEMEME mammommilimmummumminium moommulgswirlummmummem 

AMNIMINIEWAINNIMENEEMEMMERNMEMENEMIWA4AMENEMMEAU 

MEINIMMEMMOMMIIMMEMMEMMEMMEMMEMEMMEMINIAMEMMEMMEM 

MEMOMEMMIRMIIMMENNIUMMEMMUMMEMMEMMEMMEMEMMUMMEM 

MIME EmmIEMENWEEMMEMEMMEMEMOMMUM 

MIUMMEMEMMIUMMEMEMIEMEMMOMMEMEMEMMEMMUMEMENN 

moms EMEMEIMMEMEEMEMMINEEMEWIWMWESIMENIMMEMMUMMEEM 

mummummarmummommuumm ommummommummummummummimgwommummommumm umwmpampamminommommummmummumnpriummummomm 

HOOMM•INIMOMMMU•MEMMII••E•M•MMME•MENAMMEMEMEMMEMEN 

UMMEMMEMEMMEMEMMMEMMEMMIUMEMMUMMEMMUNOMMOMMIMMEMM 

MEMMEMMEMMEMEMEMEMMIUMMEMMIMMOMMEMOMEMMEMEMUMMEMM 

WINIMMIUMMINIMMIUMMIMMEMIEMMOMMEMMEMEMEMONMEME 

WIIIIMMEMM••MU•MEMMTEM•MME••ME•EMMEMMIMEMMEMEM 

SMINIMMEMEMMEMMEMEMMOMM MMEMMEMMEMEMOMMEMEMMEMMEMEM 1.1111111MMUMMIIMMOMMMEMMEN mumminimmummilimmummim mummummummummimmummemmmimmommommummm mmilmmommummummammummoommwmummummommimm ImmuommorRanammaramplormsrwarommummommmum milmommummuldwerammidadaymemmommummummul 

MEMEMENEMIMMIIIMMEIMMOMMISMOUWARNIMMEMEMEMEMN sumumminummommusimmuminm INEWUEMEMEMINEEMEN ••M•OMM•MIPMEMEEM•M•EMEMEMIMMOMEMMEMENIMMEMMI 

EMEMMINIMOMEMIUMMUMEMIUMMOMENIUMEEMMOMEME 

ENEEMMEMERNMEMMUMMEMEMMOMMEEMOMMINEMMEEMEMMEM 

EIMMEMINEMPIAMMEMEMMEMEEMMINIMMUmmamEMOMMEMEMMEM 

MIONOMEMMMIIIMMEMOMMIENIMEMMEEMEMMOMEMIUMEEMEN 

IMMOIMMURAMIUMMEMENMEMINEMOMMEMENEMMENEM 

MIUM MEMICIIMEMOMMUMMINIUMMEMNREMENIEMIUMEE 

MN= MEW NIUMEMMEMEMEn MEMNIMOMMOME MIME • ME INNEMM4 II • • •U • Elki • • MIME • MOM 

0.) 
Northshore Mining Company 

Line 12 Hood Exhaust Stack 

12/20/00 

NOx Output 

mummoommommmummomm mom. km. mmmmmm • Aummammarammummummummummummummummummomin g kkikekkkkumkkoommemmummumnimmmommommummmommos 

111111111MMINIMMOMMEMEMMOMMEMMIIMEMEMINIMEMEMMINIMMEMEM 

MEMMUMMEEMMINEMEMEMMINIMMEMMIIMMEMENIMEMMEMOMMMEMMEM 

MMEMMEMENUMINUMMIMMEMENIUMEMMEMMUMMEMMINIMINIMMEMN 

MAIMMUMMMUMMEMEMEMEMMEMEMEMMEMENMEMMEMEMMEMEMEMEMEM 

MIAMMINIMMENEMEMMEMEMEMEMEMMEMEMMEMMEMEMEMEMMEMMIUME 

EMEMMEMEMMEMMEMMEMMINIMMEMMEMENNIMMEMEMEMEMEMEMMEM 

EMEMIIMMEMEMEMEMMEMMEMMEMMIMMUMEMEMEMEMMEMMEMMEMME 

MINIMMIMMEMEMEMMUMEMMUMMEMEMEMMENNIMMEMMENIUMMEMEM 

• MEMMOMMEMINIMMEmEMMEMMEMMEMMEMMMEMEMEMENME•M•••EM 

MUMMUMMEIMMIMMIMIMMINIMMEMEMENIONMEMEMMEMENUMEMMEMM 

IMUMMEMUMUM•MBEMBINI•M••••MM•M••MEMM•MEMI•MEM••••M• 

UWEEMEMMMUMEMMEONOMOMMINIMMEMMEMEMEMMUMMEMEMMMEN 

IMMEMMEMMENNMEMEMMIMMOMMVINICEMMEMMUMMEMMUMMEMEMMEM momommimmommummummummulrmirmsmwkamummsammommum 

MMEMMINIMMEMMEMEMMENNMOMMIIMMINIMEMMUSMMERIAMMEMEMMIIN 

niMiNmERwRiNERMIEWNEMINNEMMEMMEMEMUMMEMMEMEMEMMEME 

UME•EMMEMMENNIM•INI••OIME•EMM•M•E•••N••M••ENION•EMMEM 

INMEMEMONOMMEOMMINIMEMMEMEMEMMNIMEMEMMMEMIUMMEMEMEN ufmwmampaommommorm•ommo•micomm••m•vimmummum kmokummakmokummommmommummommummummimmumm mommommmummummumummommommummmommummummilmm ommommormoommommummimmumummommummummummomm mmummomminimmummilimmummumommummmumm 

MEMEMMMINIMMIMMEMMOMESENIMEMMMUMMEMEMMEMUMMEMMMEMEME 

MMEMMEMEMENWOMMEMMWMONOESOMMEMMEMINIUMMUMMEMEMESEM 

MIMUMMEMEMMOMMEMENUMMENUNENNANIMMEMMEMEMMENIMINIMME 

MEMIIMMEMEMMEMMENEDEMMEMOMONEMMINIENNMEMEMMEMMEMEMEM 

1111MMEMIMMEEMMEMMEWIlaMOZWAIINEMEMMEMMINIMMEMMEMMENNME 

EMMEMMEMEMWMINMEMffiataNEMNIVIINPIMINEMMINIMEMMOIMMEMEM 

MINIMMENSUMEMINEMMUMMEMIMMEANWIMPROMMEMMEMMEMMEMINIM 

EMEMEMMEMEGICIMMEMEMSOMMENSEMEMMEMINIMMEMMEMEMMIMINIM 

INIMMENIMMINIAMMEMMENUMMEMMEMMEMMMIMMEMMEMMEMEMEMMM 

MIMMEMMIIMMIMMENUMMEMMEME•MEM•MINMEME•E•ME••NNME••M 

MEMMEMEMMIMENNMEMMUMEMENNEMMEMMEMMEMEMMEMEMEMEMEN 

IIIMMENNEMEMMEMMEMEMEMEMMEMEMENSWIMMEMEMUMMEMMUUMMEM 

IIIMMEMMEMMENCRIMEMMEMMEMMEMIMMEMMEMMMEMEMEMEMMINMEM mummilimmonrammummmummommmommummommommummo 

ENUMMUMEMENIMMEMMEMMEMMEMMENEMMENIONEMENUMMEMMEMEN 

NMEMMEMMIMMEMEMMIEWAMEMMEMMUMMINNIMEMEMEMMEMEMMW 

MIIIMMEMMEMMINIMMEEMEMMUMEMMEMEMEMENUMMEMMEMEMMEMEM 

MEMEMMENNEWIEMMIMMEMEMENEMMMEMEMEMMEMBEMMENNIONMEM momommummum&mommummilimmmummummummimummoom 

sommommowsmommummummummommummmommommums inimmummonommumummummummmummummommummumm limmummisommmumummummoommumummommummomm milmomommammmimmimmournmsmomommmummummumm misommiummummummommilmmmummommummummmomm 

• mommummineummum•unkkom•mm•mmumommommum 

MMEMNIMEMINAMMINEMMMIUMMEMMEMMEMEN•IMMMEMEMMEME• 

• OMMEMMEMEMEMEMMEMMUMMENNEMMEMME•EMME••EMMUMEM•• 

MIIIMEMMEMMIIMMAMMEMEMMEMENNE•M••NEMMEMM•INIMMENNUMM•• 

MEMMEMEMEMNIMMNIMINIMMMEMMEMMUMMEMMEMEMMUMMOMEMEM 

MEMEMENUNIEWIMMEMEMENIMMINEEMEMEMEMMEMEMMEMENNEM 

MEIMMEMEMMEMMEMEMIMINENUMMEMMEMEMEMMEMEMINIMMEMMEME 

111111MMEMEMMEMMUMMEMMEMMEMEMMEMMEMMEMMEMEMOIMMEMEMMINI 

MUMMINUMMENDIMMIIMMUMEMMUMM•MMEMEMMIM•MEMMINM•M•IN 

MEMEMEMMEMEMMMEMMENTIME•MEMMEMEMMEMI•NME•M•MMINMEM 

AMMEMMEMMICaNUMMENE mommommumummommorrimmummaN ornimmomminwommomm•mimmum••o•mummumminum••m mmummimmeammummommumommum••sim•mmumum•omm 

• mmilmmummilmorminumommin•u•••o•m•mmomm•• 

• immommismommommommoommisommummummummmom Emmomminkimmisummmomummmummkommommilimmum mommummummkp•mmu•mmuu•m•mm•mommummilmm milmommummommkumminmimmummommommommommumm 

• ommilmommina•mmikommommil•mgmummumumm•um 

• ilkommommkummkommilimmw•mommukom•umu•miu••o• 

MIMMEMENNMENOMUMMEMNIMEMEMUMMUMEMENNMEMEMMEMMEMMEN 

MIUMMIIIIMMENAMMEMENNIMMENNEMMEMEMEMEMMEMUMMINIMMEMN 

• MEMEMEMEMMERIM•MU•ME•MINMEMMEMEMEMMEMENIMMEM•MIN• 

• ENNIMMEMMEMENIMUMMEMMM•IMMEMENNEMMEMEMMEMMEMINEMM 

• mumminumakmilimmummiumm•mmum•••okommomm 

MEMMEMENNEMANIMMEMEMMEMMEMMU•MEMMOI•NUMM•MM•UMMEMEM 

MMEMEMMMEMEMMIEMIMMEMENNIMMIIMME••EM•E•ENNU•ME• 

MMINIMMEMENNEMEM MEMMENUMEMEMMUMMEMMEHMEMMEMMUMME 

MMEMMEMEMEMMEMN MEMINIIMMEMMEMMMEMMEMMEMMEMMEMMEM 

• EMMEMEMEMINIMMEMEMM•IMEMMEMMEMMEM•IMMEME•EMEM•MEM 

roMMIIMMEMMEZMEMMEMMMEMEMENUMEMMIIIMMEMENCRIMMENN40 • IIMMEMENIMMUMENIEMEMINIEMM•MENUM••EMMENNAMEMME••OMME 

• 111•MUMME•MEMMEMMUMEMEMEMMEMNIMM•M••EM•EN•MMEMMOM 

MEMMEMEMMEMEEMMMENEMEMENIMEMIUMMEMMEMMEMEMMEMEMEN 

EMMEMENUMEMMEMMEMIN IIMMIIMIMEMEmEMEMENNEMEMMEM 

MINMEMMEMMIMMEMIENNE•MMIIMMEMME MUMEMEMENOMMEMEMINIM 

MENNINIMENIINAMMENMEMM mommukg immikmmummummmom • millimmommammumm••mommku•mk•um•omm•m • ookim•ommsram•ummimmom••mmimm•mmumommumin 

EMEMENUNIMMINIUMMEMMI•IMMENNIIIMMINIMM•MM••MNIMMEM 

M•I•••MEMEMMININ•EM•EMMEMEMMEEMMEMMENIONM•MMUMMEMM 

MEMEMMEMEMMAMEMEMMENIMMMMOMMEI•M•MMEM••MM•NN••IM 

MOMMUMMEMMEMMEMMEMEMMEMMINEMEMMMENNUMMEMEMMEMMEMEM 

IINIIMMENIMUNIMMENUMEMENNMEMMEMM•EMEMMIEMEMMINIMMEMEMN immummulOssimmommommumimmommummommommommi mommummommommommummokommeminummummommum mmommilimmemmommummummummumum•ommommomm 

• oommummaimmimummegom•om•ommo•um•o mommommumikumikkommommkkommumm•ummomm••mommo 

MEMEMEMEMBLUMMENNIPSIMEME•NEMEMUMMINEMMINIMIMMMEMEM 

KRIMMEMEMPAIRIMMEM7=MIIMMMAMMUMMEMMEMMEMEMEMMi1 

mMENNUMMENIMEMEMIAMSWAORNMMEMMEMMENIMMEMMEMEMMENN nommummommimmrsiskokimmu•mummummmu•mommom mummommurammommwmkomosomemommemmummummu milmmommummum•immignmaskommw.mmullmomommum••• moommummommumommkommirmammemarkomumpimmommom moommommummukkommummum•n•mimammo•mk•mmumm mommoommommommommummiumum mmimmummommommum milmommommemmEmmosommummum mokmommommummi miummommommksommu•mommu•om•ommummo••ummum 

MEMEMMEMEMPMEMMERMOPMEMMUMMEMEMEMEMMENUMMEMINEMEM 

B=========.114WWWWWMMEMMEMEMEMEMMEMEMMEMEMMMEN 

UMMUMMMEMINIMEMMUMEMWENMEMMENNUMMEMMERMMUMMEMENIMM 

IIMEMMEMMUMMIIMEMMENNEMMEM•ILMME•MEMME•NUMMENNUM•I 

MEMMEMMEMIIMMUMMENEMEMMEIMMEMIIMMEMMMINMEMEMMEMENNE 

EMMAIIIIPMEMMELAMMEIMMEMMEMMEMMUMMNEMEMEMENNMEMEM 

IMPAIMM.SUMWAMEMIMMINNEMMENIMMUM MEMEMEMEMMENEWM 

111111111111111MMEMMEMIMEMENNIMIMMMINIMMMEI EMEMEMNIMMEMENE 

EMommoMmEmmmlomm malmEmmIMMINM INIMME••••ENNIMME••EMEME ummmummmis ror kr m wonirawsimmoomm 

4 :U M 
Northshore Mining Company 

Line 12 Hood Exhaust Stack 

12/20/00 

CO2Output 02Output 

1 11 III Ir!IIIIII1iOII H) 01111111 1111 1 

I I ! I 

1 I 1 I 1 

nummounnumummunommuummuumummummulliiiiiumi mummunnolosamommuummllommmulimmunompplummul olloommommuummummummomonmommensaucionnimuml 111111,01111filIVIIIIMMON111111111M111111111111111111B111111111111111111111111111111 nimminglinummummummudommummminummumnimomm 1111111111111111110111111111111111111111111IIIMICHIUMW11111,M01111111111111111111111111 

111111111111111111111111111111111111111111111101111111111111111111101111111 

1101101001 1 110111111111114011111111010111111111001111111111111111111 

111111111111111111111111111110 1 111110111111111111111011111111111111 

mmmomumil mimullunkummwilmEmbiligumummonsommonaloirill mmmmionuit 11; ol do I, amonompuilu 

111110011110111111111111111111111011111111111100111111111111 PIESIdiMINIMMINIMM111011111111111111111111111110M1111111111 illinoloomommolormoloomomillooromme ommillompoilimmooldpoloommoinFiliiiiit 11111111 II !mom mullnimommum ummumm 11111111111 11111111i 11111111 ' 

I 0 111001 111111111 1011111111111011111111001101111 1111111111111111111111111101 

Th 
Northshore Mining Company 

Line 12 Hood Exhaust Stack 

12/20/00 

II 

lin 1 i I U I I I i pig 

IiiiiiiiHiNiiiiiiiiMiMiniiiiIiiiini Mini ii ill IN pi II AP , 

IMMIMMINNHONFIP111111111111111111111M11111111101111 Ili 1111111111 111111111111111111111101 MIMI 1111111111111111111110111111101111111 1 

10111011111100.11111 1 11111111110111111111011110111111111011 

111111111 1111 111011110101111111111111011011001 II 11111111111 1 TM irl r 1 I I 
1111111•11 

II "Ii 

Northshore Mining Company 

Line 12 Hood Exhaust Stack 

12/20/00 

CO2Output 02Output 

17 

8 
Northshore Mining Company 

Line 12 Hood Exhaust Stack 

12/20/00 

111101110001 1 0011000001000 001 Lunifillgollmumon 

. 6 loplim Iiiimillmmoop 111111111 

oompII III 1111111 ompni0 1 i 111111111111101 111111ifinurntillfilidli 111 I I II 11 i d I.4 I, c It pliffillillommunmummummuummummuponmilioulmumammi pmpipiptimirmulomocummimumumommommommuoumum MAO Illibig L. LW higill111111111111111111111111111111111111111111111111111111111111 uMmffiligiamomommumummummummmmummumumoommul 

impimlimillimmimiumilliimililimmiiimiiiiiiiiiilimmi m li "nomollowlimummumunoutummouffimummpolohnotw u 

1 

0111111 1111 11 1 10111111 1 

1 

1 111 11 I„ 1 11 1111 111 11 I 

iiii ii I 1 1 1 I 1 ii mil i fili in 
Northshore Mining Company 

Line 12 Hood Exhaust Stack 

12/20/00 

CO2Output 02Output 

I I III 111111 t a Ii I iii Ii0111111111111111 M n min rum n um u rramemmen Num ••••••••• . 

PON ingrain MIIMMIN FEN IMMO! MOM WPM MUNI 

iiiiiril iiiiiiiiiirminiiiiiiiiiiiiillrillialiiriiiiiii im mop 1 ppomipmgmempannopmpullmompummulourn im Wilidd 1111111ndfiffiffiliMPINIPPIPINIONMUIVRTA$ 1111 

WI PPM 111111NommffilinifiNIPIlifilhdlirldinliandirIMII 10 ilihrnil Buidniiiiimdmilmdimmummummommuimummoma poperwrmumpunmmommmmummoommmmumm immni Immo unsumdmmuummmompumumoommummoom nummi iffillifilli IMIMMIIIIIIMINIMMIMMOMMIMMIMOMMIIIIIIMI 1110111 11111110111111111110011101111111011 11101111110011111 

1111101111111111111111110111 

110111MMIMMIMI II 1 I MIIMMIMMI 

iummommu n 1 1 111111111 

0111111011111111111111111111111111111111111101111111•1111111 audinimmffill milimmhimmmillmullffinunis mr. mumundaymoropllumuumumumpubsi likiiiiiiliiiiiiiil TommullilifilliNIMINE11111111111111111101111111111111 

billi11111110 1111110111111111111111111111111111111111111110 I 

iiiiiiiiiiiiiiiiiiiiiiiiiriiii moomplloplooloolommlommoglomplogoillin lophioholoolootiolommomoodkombilimpoi phimmilmmummillimmomillimmumulhohomm immollopdmiloommionsimompliimmomi 101110,11FIllomologoomommumohlommommum 

row miffill11111111111111111111111101111111110111111111111 

ill 011101111111111101,111111111 .1 11111111111100111111001110 10111111001101011111 110010111 111111111 

'2 
Northshore Mining Company 

Line 6 Hood Exhaust Stack 

12/21/00 

NOx Output 

I 

Imummorm...cmum Imannimmossimm 

mommummummommumummommilmummo mmummmumm 

mmmmmmmmmmmmmmNmmmmmmmmmmmmmmmmmmms mmsmmmIIIIII 

MENEMENNMEENNNIMENEMMUMEMINMEMIEIMMEMEMMENE 

InimmommummoMMIMEMENNICAENNEMENEMENOMENNEENNEENNEN 

••NUESENNEM•NINNEN•WATEMEANUMENEMMEMENEMINNIENNENNIN 

mummummommormirsummemmimemmumm ummommum 

EN_ . ;1g RHEMob/NNIWONSEMEMENNEEN 

mumnsms•...ammalummummomspommsimmommmumms 

MENNENSMENEMENNEMENEMMENNINSMALIAMISMEMOSEENNMENN 

MONENMENSENNAMANEENESENNESEENSE MMENEA•MUNEMENNUME• 

mumsammiummummum•ummummumumummummumum 

mummumnimmummummummommumumum mommuum 

EMENNMENNESSEE••N•MENNENSE•ME•NINEM•NNUMMENNE••ME 

NEEMSENNENNIERNMENNMENNUNSENNEN•S•NNE•NEENNMENNEN 

MAMENNMEMANNUMMNENNEMPECOMMISMEMENEMMENEAMMENESEN 

• ummemmmumwmaru.ax.emmi•mmewmomminu mmumum 

mummuumummmulmammemilmmasamewadammom mummumm 

mummommommil.mmE-mmummommomammmumm ummummil 

WEEENNNNEWASEINEENOWNE4MMMENNEMMEMOSENSAMMINNIUM4 

NummUMUNEMENNENENNIMMWSMAMMINANNAMEMUMNSEENNENN 

MUNMENUMMEENNENEENNEEVENESNMENUMUNNESEMMUNIN 1 -1 

NUMUMENUMMESEEMEMMENNAUMMMENEMENNSEENENEENMENEEMM 

• ENNEENSUMMENEMENNEMENCWENUMENUMMENN•NNE•MENSEEM 

MSMMIMMUEIMMMMMMMMMNMNAN•MUNMMMMEMMMMMMM•EMMEMMME 

ENESSE•MEN•EMEMENOEMMWEEMM•NSEMMO•M •MENNE•NNE•NNE 

MEMENNEMBIENEMEMUSIMMENNENNEEM•IENEENNENEMENNEENN 

immumpre- WaRIANNEEMAMMENEEMMENNEMMENNEENNENNE 

ra111111111111111111116111111111111111111111 

EMMUMMENNENNEMMEMMEMENNEMENEMMENN IMMEMENMEMMENNMN 

MINNINEMEMINEMENNEMINENNMENNEMMMENNEMMENNE•N•E•N• 

NAMMENNMEMEMMINENNEMEMENMEMEMEMMENNEMENIMEMUMENNE 

MIENIMMENNIMMENNEEME•ENNEM•ENNESEMENEMENEENEUNMENE 

MANNEMENNENNEMENNEMMEMENNEMENEMENNENNMENNEEMENEEN 

MAMMIMMENISMNIMMAMMMENNEEMMENNEMMENEMENEEMENNEMINN 

MINNEMMENNOMINNEMEMENNEMINNENSIMM IEMMEMIIMMEENNAM 

mummemmummummummummommummummummumm 

mmumm.rommiummassimorniummormummo mmummo 

rinuommumma.Emiumwemmicraolummwmommoriu mmommi. 

NEMINSMNNuMENNENSEEMANEMS6WASIANAMINAMENEEMENNEEN 

NEENNUMENNMENEMMEEMMINNEMENNENMENEMENNEMEMENENNME 

MMEMINNUMMEMINUNEMEIN

NEMMENNENNEEMMINENNEMEMENE 

MMEMENNMENNMENN 

MSE 

ENNE INEMMUNEMMENEMEEMMEIMEIM 

1111111111111111111611111111111111111111111111111 

EMEMENNENNEENNMANNUMMENNMENISMINNIMINEENNEMENNEEN 

1 NUMENNMEENIENNEINUMENSENSENNEMEMENNUMMEMMENNEEMEN 

t EMENSMENNEMINEEMINENNEEMMESSMINEMENNEENNEEMENNME 

I NUMMENMENNIESEINMEMMEENENNEMENIMMEMENNEENNEEMENNE 

I I 

EMMEENNENNEMMESSMENINEENNMENNEMEMMEMEENEEMENNEEMS 

NEENNIMMENSINNWEINN SEENREMENIMMINNMENNUMMENEEMEN 

MENEEmMENNIMINEMMEN MMENEMENN MENEMENNEMENEMMENNE 

EMEMMEMENEMMMINEMINNNIENNESEN MUNNEMEMEMENNEMMENE 

i 

I MMIUMNOWINMEINE MEMENEMENNEEMENEMENEMENNEMENNME 

EMENNEUMENNEMEgEN MENSENmENNUMESMEMMENNEMEMENEENN 

NIUMMINUMMI mourommommormarnmmummumm immommilmum imm. mmismommossmiummummomml 

I 

EMEMMENNENMENE AMEN MUNN NOMMEMEENNUMENIMMENNENNE 

11111111111111 3111•1111.2111:111111111:1111111131 

....N......mummml. lummlmmommumm............ • ................... miumm.......m....1...... Iim nim .. mm mummin ysim ...§.....1 u.....1............ . 

mummumu m mmumomm immimmilm immmummumomm 

MINNEENNENEMENUMMME MEM SENN MENNEMENNEMMMENNEN 

INNIIMMENMEENTEMIMENS NMI ISEMINENIMENNUMMME 

J M 111119111 IP II:1"V OM I: IIIIIIIIIIIN 

m mum ilim Immi .IN • maim Aulim ulmommmum mm 

ms. mom milm • . mu 1.• mum • mom mm.....o. • 

111111111111111411 1 Ill Mill IIIIII alit III mom 1 mu milmom • 

WWII* my MI PONTA ilmilimmilp J I 

I Iilli 01111.11141141•Awl Oil 141111:111111.1. , 11111 11111111111119.1 1:11 milimpur Immo • • 104 Al. IT' &gild IIIIIII. 1.., iIIIIIIIIIWIALLI mmillm ' 

Mill! me .11•11..allue. •lim Mrimillimmimmis r„ Timm 

IIIIIIAIMIIIIIIIIME•

Mei 11111

MM

1.1111111 

m. a ISMEMEM - benUMEMMER

• ImN A ummularom miiiri

N

mumpEMIN

ramm mummorimmum 

IUNQIIYEM NINE NEM NE UNES ENEMIX MUM 

MIgM194112,111111111111111111 IIIIIIIMMUMEMI II WEND WEE S M V UM EMBE • MMUMMUMMUMINUMME IllyvvoluvoThEIMEMS vIll BEIM .1•111M•••••••• 

MI NIMMMUSEMMOMME IN Ir P NII•1••••••••••• 

allimeraillIngli NPR 6011111:1111: 

NEME MENEM= INMAN M MENEMENNE U NUNN MENNEN= 

NMEMENESEMENNEWENENEMUMEMMAINNIMMENNENEMESSONS I 

NMESENEEMMENNIMMEMENNEMMENEEMmImmIr MUMFMENEMESMAN 

MMANNEEINMEMENNEEMENNEEMENNEMINEENIEAMINNEWNSIMI 

NNEEMMENNMENNEMEMMEMMENMENNEEMENEMINEMINEMEENSIMO 

11111111111121114111111111•4111.11111. 

111111111 2UMMENNEENNUNIMN EMEMENNEMENMELEMMEN M 

IMONNEMMUMMENEMMENIMINFNMESEEMENNENNENNENNUNIMMEN 

IMEMMUMMEIWIMEESIAVOL/MINIMMENNEMOMNEMENNEN 

IMINNNENN WO SWIMS MN MENIMMEMENNINI MEM= , 

1MMEEMEMENEMNEMNEMINNM•MINESIMENNANNMENUMMEEMMEN -a mmilimmommumummummummemmumnimmumummumm 1 a...aamminimmommummummin.mumummumumma . 

ammummummummummomummummummommummommi 

mommommulummumm.mmummummummuummummum 

mummummumnsmmummumummummimmimmummu m 

mummomms.mummmlimmum.mmunummummumumm 

multimumummumm-mplimommummommummomm 

.m.milmommtimummom mum IMIIMMINVEMENELMOMME 1 

MI WSW WSW V maim IMMUMMENEMEMMEMS • • 

- 

1 

7 ' 

7- 1 

-1 

..--1 

- • 

1 
Northshore Mining Company 

Line 6 Hood Exhaust Stack 

12/21/00 

NOx Output 

mmmmmmmmmom•mmmmnmrmimmmmmmsmmmmmmmms ommommummummummummemzmummummiummum• 

•••••••••=m•mmmmmumummmmsmmnmmmnmmmmn•s 

MEMEMEMMEEMMEMEMMIMMUMMEMMINNMEMMEMEMUMUMEMEMMUMM • m•mmrmmmmamummmmnummmmnnmunmmimm 

mm•mmmmmummmmmmmmmmmummmmmmm•munnnm 

MEMEMMIMMUMMIMMMUMMAMMUMMIMMOMMMOMMUMMEMMIMMIMMEMEMEM 

MMOMMUMMUMMEMOMMEOMMENMEMMEMMEMMUMMEMMEMMMEMEMMMEMM 

MERMEMEMMEMMEMEMMEMEEMMEMEMEMENMEMMEMEMEMMEMMIUMMEM 

MIMMIMMUMMEMEMUMEMAMMUMMMMUMUMMUMMUMMEMMOMMIMMEMMMEM WEMMEMMUMRAMMEMPUMMEMMMMEMMMEMMEMEMMUMMIDIMMEMMEMKU 

mmmommmimuMMURMUMEMMEMEMMEMMEMEMEMUMMMUMMMImmmU 

MEMEMMEMMummEMMUMMUmmimmmumumMUMENMEmmmmammmilimmumm mmmmmmmmmmmmmmmmmsmmmmmginmmmnmmmgmmmmmmmmmmmn immummummummummmummmummonommummommin immommilmmminmaimmummummmummmimmummummum mommommommummummummiummummummumminsm mummilmommommemmommimmommommommummummi n MMEIMMMEMMEMMOMMIMUMMEMEMMEMMEMMMEMMIUMMOMMEMMMIMMEM. 

• E••••MU••U•MM•MEMMUUMMEMMOMMEEMMEMMMUMMMOMMEMMOMMEMM 

MEMEMMEMMEMMIEWMMEMMEMEMMMIMMIMMIMMEMMEMEMMINMEMM. 

mmummmoMmumMMEMAMMEMMEMMEMMEMMIMMMEMMIEMMEMMUMUMMErn 

IMMUMIMMEMOMMEMMUIMEMMEMMEMEMMEMMUMMMOMMEMEMMEMMEEMM 

MMMEMMOMMEMMMUMMUMMIMMUMMMEMMEMEMMMMMEMMMEMEMEMMMEM 

MEMMEMMMENEMMEMMMMEMIMMEMNIMMUNMEMENKMEMMMEMEMMEMM 

MIMMEMMEMMEMOMMUIAMMEMMEMEMMMEMMEMMMIMMMEMEMMIMMEMMM 

MNIUMUMMIMMIMUMMIUMMEMMEMMEMMUMMUMMINEMMUMMUMMEMMEMMM 

MMMOUNMEMEMEMMEMAMUMMEMUMMEMMUMMMEMMEMMUMMMUMMEMMUM 

MIMMOMMEMMEMMMOMMMIMMIMMEMMEMMEMEMMUMMEMMEMMMUMMMEM immommummommiammommummminimmiummummumn 

WEMMEMEMMUMMENIMMMEEMMIMMEMMMOMMEMEMMUmvMMAMMEMMIU 

minimmMEMMMEMMMUMMOMMUMMOMMEMMEMMEMMEMUMEMMUMEMMEMM mitimmennommommummummummuummummummor mmmmmmmnmmmmmmnmmmmmmmmmmmmmmmmmmmmW • mmnunmmmmmomfmmmmmmmmmmmnmmmomnnmrm•••" 

MEMMEMMMOMMEMMEMIIMMEMMUMMIMEMEMIEMMEMMEMMEMMMEMEMM 

MMOMMEMMMUMMUMMUMMUMMMEMMMEMMUMIMMMAMMUMMUMMEMIUMI 

EMMEMMEMMEMEMMEMNUMMEMMEMEMMMENMEMMIMMMUMMEMMMUMEM 

mummummummummommummummummummummums MEMmMEMMEMMIUMEMMEMMEMUMMEMMUMEMMEMMEMMEMMIMMEMEMEMIS mmommumnsmnimmiummummummummommuummo mumemmummummtmommummummummummommummor , MMEMEMEMMMUMMEMMUMMOMMMUMEMMUMUMMEMMEMMUMUMMMMEMMM 

IMMIMMMEMEMMEMMEMOMMMEMMMEMMMEMMMMEMMMMEMMEMMOMMMMM IMMUMMEMMOMMIMMUMMUMMMEMMEMMMEMEMMEMMEMMEMEMMUMMEMMI. mmomminummummummmummummimmummommummin 

MMEMMUMMUMMEMMEMUMMEMUMMUMEMMEMMUMMIUMMOMMOIMMUMMUM 

MEMEMMMUUMMEMEMLUMUMMENEMMUMMEmMEMEMMEMMENEMMMEMMM MEMEMMIMMUMMUMEMFMMEMMUMMEMMEMMMEMMUMMEMMEMOMMEMMUI. 

MMEMMEMMUMMMUMM.MMEMMMUMEMMUMMEMMEMMMEMMEMMMEMMUM 

AMEMMEMMMYMMIMMMUMMMEMMEMOMMEMIMMISIMMEVMMENMEMMIC 

EMEMMMEMMUMMMUMNEMEMMIUMMUMMEmmEMMEMIMMEMMUMMEMEMM 

MMEMMMEMEMMMUMOREMMEMMUMEMMEMEMEMMEMEMMMEMMUMMEMMU 

••••••••EMMUMMUMMEMMUMMEMMEMMEMMEM••••••••M•••••• MMEMMEMMEMEMMMUMMEMEMMOMMEMEMMIMMEMMOMMEMMEMMMUMME EMMMUMEMMEMMMEMMMUMMEMMEMUMMIMMOMMIMMIMMUMMEMMMEN MEMMUMOMMMEMEMMMWMUMMEMMEMIIMMMEMUMMEMMUMMUMMIMMEMMOMM m•ommmomommummnmlmmmmmmmmmmmmmummmmmmo EMEMMWOMEMMEMMEHMEMNIMMEMMEMIUMMUMMIMMOMMUMMEMEM 

EMMIMMMEMMEMMMENMMEMMEMMEMEMEMMAMEMEMOMMEMMMEMMEMM 

MMEMMEMMIUMMUMUMUMMEMMOMMEMMEMMMEMMOMMMEMMEMMEMMEM mosommmummummunammommumummonommEmmummEm 

mummommummorimmilamommmilmommommummon Eummumummismoimmomm •••mu••••••• •••• 

MMEMMEMMEMMUMMUMMEMMMUMMUMEMMMEMMMIEMMEMEMMEMMME mummommummirmymmumummomammummwommumm mmimmummunglmommimmummummummummimmommumm ilm•immummimmcommi Immommummummommunimmum u mommimmimmuum m nummorrommimmommiumm ammummgmmunrms MmilmOMPRR_PR mmilmw aLomemEmmotgiumm MINN ommlImIMMOMmommwdma MumMIAmmMAMMumUMMM MEM IMUMMUMMEMPOMMIITiMMENEMMWMEMMONMEIMMEMEUMEM IMMEMEMEEMEENEME NVW EMMEMNEEEMEMEEMEMENEEMEMMEEM IMEMENEEMEMEMEME • I MNIMEMMMUMMEMEMIMMENEMMEMMUM MEME•EM•••••M•••EMMM•MM•NNMMEU•••MNMMMMMEMMMMMUMMI 

MMEMMEEMEM MMMUMMUMMEMMEmmUMEMMEMEMMUMEMMEMEMMEM 

MEMMEMMUME EMEEMENEMIIMIIMEMMEMMEMMEMMEMEMEMENIUME OMMMEMEMMIMMMEMMENEI 1 mmmmemm•mwummmmmm ri i m_ Emomm..m.y. mpromisommummomm iimiimitiftliMolg g.pailii 4MEMMEMMIMMUMMEMM MMMUMMOMEMMEMMEMMEMOMMMAUF=RMMal IMMIMMEMMEMEMMUMME mmisminummingsmommium Eaarimmirawswii ammo MUMMEMMEMMMUMMEM - ---REEWOMMIMMIIIMME IMMEMMEMMEMMMUMM MMMEEMMENEWMIMMEMMUMEMMEMMIMMEMMEMMEMMEMMMUMMOMMIMMM MMUMWIIMMMIREMEMEMMIMMOMMEMMMONMEMMEMMMEMMEMMEMMMEMM MENIMMEIMMUMMUMMEMMEMEMIMMEMEMMUMMMEMMEMMIMUMMMUMMM 

i 

mammummimmoMMOMMUMMONNEMMENF MOMMMWMIRRIMEMEMOMMM milliolummumprimmismr 'AmlowayAwtsommommumm mummummumummois mom m imomandowi Simmommum raummommummuram 

Wmumummommmurmais mum •mmmmmmmmumummmm vim • ormommilMsrmiummulin 

MEMUMMEMMMEMMEMEMMEMMMUMMEMMEMMMUMMERMIMUMMEMMMEN EMEMMIMMEMEMEMMECEMMEMMMEMMEMMEMMUMMEMMOMMIMMEMMME • EM••••MUMMUMM•M•M•M•IM•E••IMMO••MMO••EMMUMMEMEMEMM MMOMMEMMUMMIMMUMUMMEMMEMMMEMMEMMMEMEMMEMMOMMMUMEMM MEMMEMMIMOMMIUMMUMMOIMMEMMEMMEMMUMMMMEMMEMMMEMMMUMEM MMMUMMIMMUMMMEMMUMMEMMEMMEMEMEMMEMMEMMUMMEMMEMMEMEM mumnmmmm•mmmam•mmmmmmmmmmmsmmmnimmmmnmm MMMUMMMEMMUMMMEMILMMEMMMIUMMUMMUMEMMEMMEMMMMEMMUUMME 

mmmwom•mmmrmmnmmmnmmmmmmmmmmmmmmm moMMEMMEMEMMMUMMIMEMMEMMEMMMUMMMEMMEMMEMMEMMBEMMEMM MENUMMOMMMUMMUMMMEMMEMEMEMMEMMEMMMEMEMMEMOMMMUMEM 

mmmmmmymmmmmmmmnmnmmmmygmmmmmmmmnmwnmmmmmmn mmummammommrammimm.mmitummummommummum mmumminimmomplimminemmommummmummumminimm 

• inimmu•u•m•m••m••mm•••immimmummumm ME•M•M••M•UMWMON•MMOMMU•MM•MMEM•UMMMM••••MMIMMUMME MEMMIMMEMMEMEMMUMMEMEMMEMMEMMMEMMMEMMWMEMMEMMMEMEM MMUIMMIMMMIMMUMMOMMEMUMMIMMEMMUMEMMUMUMMUMMMEMEMEMME MUMMEMMEMOOMMUMMEMNIMMEMMIUMEREMMMEMMEMMUMMUMMMW MIUMMEMMMUMOMMMEMMMEMMOMUMEMMEMMEMMMEMMEMMMMEMENMEM EMMUMMEMMUMMIMMEMMEMMIMMEMMUMMEMUMMEMMIMMIMMUMMEMM MMMIUMMEMEMEMMUMMIMMMEMMEMEMMUMUMMEMEMOMMUMUMMUMM IIMmimMINMEMEEMMIMMINUMEMMMINEMMUMOMMEMENEMMEEMMEM MMEMEMEMMUMMEMEWMUMMMRMEMMOMMIMMUMMEMMOMMMEMMIMM MEMMIMMEMMEMMIMmUmidiliflIMMOMMOMMEMUMMEMEMOMMMEMIMMM MMIM •• MEMMMIMMMEMMIMMIUm&MMMOMMWOMMMEMUMMEMMIMMEM E _aagERM31162ManDmILOSAMMIIMMEMMINI 

MEM MEMMIMUmwmm4MATAIMMIMMIIMMOIMMIMWMPSIMMEMEMMMEMENU •..u.MMIMMENEM MU M MILAMMII rmr MMOMUMMEMEMMUM 

0 
Northshore Mining Company 

Line 6 Hood Exhaust Stack 

12/21/00 

NOx Output 

FEEMENMEMMUMMEMMEMENVEMMOIMMENOMMEMMOMMOMEMMMEME. 

MIIIIMMEMEMEMEMEMEMMEL2MMEMIUMMILIMMUMIMMEMEMMEEMMEMAN 1.11MMENNEEMEMEMMEMEMINEMEMEMEMIMEMEMIUMMEMEMEMMEMEM 

MEMMEMMEMMINIMINIMMEMMEMMEMMUMEMMEMMEMEMEMMEMMENNEM 

IIMMEMEMEMMIMMEMEMMEMEMMIMAMMEMINMOMEMMEMEMMINEMME 

MEMEMMEMMEMMEIMMEMMEMMERUMEMMOMMIMESEMMEMEMIMMIMM 

OMMEMMMIIMMENMEMMEMMMXIMMEMMEMMEMMWMWSEMMMEMINIUMM 

MIONIMMEMEMENNEMINIMMINEMEMMIUMMEMEMUMMINNEMEMMININ 

mmmmmEammmnnmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm 

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Northshore Mining Company 

Line 6 Hood Exhaust Stack 

12/21/00 

CO2Output 02Output 

. _ I

I

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Northshore Mining Company 

Line 6 Hood Exhaust Stack 

12/21/00 

II MI 11111 11111 11111111 hIll 11111111111 

I III 1111 1111111111110 I I 

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Northshore Mining Company 

Line 6 Hood Exhaust Stack 

12/21/00 

CO2 Output 02 Output 
CO2Output 02Output 

J r Ii 

P,14,11111.11111 I II I I id 1101 11 0i 

liii tooquinnountillii11311011111111111111111111111111111111111111111111111111111111111 10100011111111111101111 

ii 101011 111 111011"

11111111 

I 

Northshore Mining Company 

Line 6 Hood Exhaust Stack 

12/21/00 

)0 
Northshore Mining Furnace 12 Waste Gas Stack 1205 Barr Engineering 

Reference Method Data Logger Output 

North Shore Mining 

Silver Bay, Minnesota 

The time is 07:29:13.53. 

The date is 12-20-2000. 

Time NOx 02 CO2 

Time ppm % % 

07:29:34 0.1 -20.6 -0.1 

07:29:54 0.0 -20.6 -0.1 

07:30:14 0.7 -5.2 0.0 

07:30:34 0.7 20.6 0.1 

07:30:54 0.7 20.6 0.1 

07:31:13 0.8 20.6 0.1 

07:31:34 0.7 20.6 0.1 

07:31:54 1.1 20.6 0.1 

07:32:14 1.6 20.6 0.1 

07:32:34 1.7 20.6 0.1 

07:32:54 1.6 20.6 0.1 

07:33:14 1.7 20.6 0.1 

07:33:33 1.7 20.6 0.1 

07:33:54 1.7 20.6 0.1 

07:34:14 1.6 20.6 0.1 

07:34:34 1.6 20.6 0.1 

07:34:54 1.8 20.6 0.1 

07:35:14 1.3 7.5 0.0 

07:35:34 1.6 1.3 0.0 

07:35:53 1.3 14.2 0.0 

07:36:14 1.5 0.7 0.0 

07:36:34 1.4 0.1 0.0 

07:36:54 1.4 0.1 0.0 

07:37:14 1.4 0.0 0.0 

07:37:34 1.5 0.0 0.0 

07:37:53 1.4 0.0 0.0 

07:38:14 1.5 0.0 0.0 

07:38:34 1.5 0.0 0.0 

07:38:54 1.7 1.7 0.9 

07:39:14 1.6 16.4 3.0 

07:39:34 1.6 17.4 3.0 

07:39:54 1.7 17.8 3.0 

07:40:13 1.8 17.9 3.0 

07:40:34 1.7 17.9 3.0 

07:40:54 1.6 17.9 3.0 

07:41:14 1.6 16.8 5.3 

07:41:34 1.4 10.4 9.8 

07:41:54 1.4 10.0 9.8 

07:42:14 1.3 10.0 9.8 

07:42:33 1.4 10.0 9.8 

07:42:54 1.5 9.9 9.8 

07:43:14 1.4 9.9 9.8 

07:43:34 1.4 9.9 9.8 

07:43:54 1.2 9.9 9.8 

07:44:14 1.2 9.9 9.8 

07:44:34 1.3 9.9 9.8 

07:44:53 1.2 9.9 9.8 

07:45:14 1.2 9.9 10.0 

07:45:34 1.2 10.0 10.1 

Page 1 of 16 
Northshore Mining Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

Time ppm % % 

07:29:34 0.1 -20.6 -0.1 

07:45:54 44.6 9.9 9.7 

07:46:14 221.0 3.1 0.1 

07:46:34 283.9 0.1 0.0 

07:46:53 289.5 0.1 0.0 

07:47:14 446.9 0.0 0.0 

07:47:34 448.1 0.0 0.0 

07:47:54 447.4 0.0 0.0 

07:48:14 651.2 0.5 0.0 

07:48:34 446.4 1.1 0.0 

07:48:54 448.0 0.7 0.0 

07:49:13 447.4 0.0 0.0 

07:49:34 51.3 0.1 0.0 

07:49:54 231.6 0.1 0.0 

07:50:14 234.1 0.0 0.0 

07:50:34 235.8 0.0 0.0 

07:50:54 236.6 0.0 0.0 

07:51:14 237.1 0.0 0.0 

07:51:33 237.5 0.0 0.0 

07:51:54 168.5 0.0 0.0 

07:52:14 4.5 13.0 0.1 

07:52:34 2.5 20.4 0.1 

07:52:54 2.1 20.6 0.1 

07:53:14 60.2 16.7 0.1 

07:53:34 6.4 3.9 0.0 

07:53:53 1.8 0.5 0.0 

07:54:14 1.2 0.2 0.0 

07:54:34 0.9 0.1 0.0 

07:54:54 0.6 0.1 0.0 

07:55:14 0.6 0.1 0.0 

07:55:34 0.6 0.1 0.0 

07:55:53 0.3 0.0 0.0 

07:56:14 1.0 4.2 1.5 

07:56:34 0.7 16.8 3.0 

07:56:54 0.6 17.6 3.0 

07:57:14 0.6 17.6 3.0 

07:57:34 0.3 17.7 3.0 

07:57:54 0.6 17.8 3.0 

07:58:13 0.3 17.8 3.0 

07:58:34 0.3 17.8 3.0 

07:58:54 1.0 15.8 6.5 

07:59:14 0.9 10.4 9.8 

07:59:34 0.9 10.1 9.9 

07:59:54 0.7 10.0 10.0 

08:00:14 0.8 10.0 10.0 

08:00:33 309.3 9.2 7.8 

08:00:54 436.5 2.3 1.0 

08:01:14 443.8 0.3 0.1 

08:01:34 445.1 0.2 0.1 

08:01:54 445.9 0.1 0.0 

08:02:14 446.3 0.1 0.0 

08:02:34 .252.5 0.1 0.0 

08:02:53 238.4 0.1 0.0 

08:03:14 238.1 0.1 0.0 

Barr Engineering 

Page 2 of 16 
Furnace 12 Waste Gas Stack 1205 Barr Engineering 

Reference Method Data Logger Output 

Northshore Mining 

Time ppm % % 

07:29:34 0.1 -20.6 -0.1 

08:03:34 238.4 0.1 0.0 

08:03:54 137.6 0.1 0.0 

08:04:14 6.8 0.1 0.0 

08:04:34 2.4 0.1 0.0 

08:04:53 1.8 0.1 0.0 

08:05:13 1.6 0.1 0.0 

08:05:34 40.7 0.1 0.1 

08:05:54 93.1 10.9 1.5 

08:06:14 92.0 16.8 1.7 

08:06:34 89.7 17.0 1.7 

08:06:54 88.5 17.0 1.7 

08:07:13 88.0 17.1 1.7 

08:07:34 87.8 17.1 1.7 

08:07:54 87.0 17.1 1.7 

08:08:14 86.8 17.1 1.7 

08:08:34 84.8 17.1 1.7 

08:08:54 85.3 17.1 1.7 

08:09:14 87.9 17.0 1.7 

08:09:33 86.9 17.0 1.7 

08:09:54 87.2 17.0 1.7 

08:10:14 88.0 16.9 1.7 

08:10:34 86.2 16.9 1.7 

08:10:54 89.2 17.0 1.7 

08:11:14 88.7 16.9 1.8 

08:11:34 88.5 16.9 1.7 

08:11:53 90.4 16.9 1.8 

08:12:14 91.3 16.9 1.8 

08:12:34 94.2 16.9 1.8 

08:12:54 93.5 16.8 1.8 

08:13:14 90.8 16.9 1.8 

08:13:34 91.0 16.9 1.8 

08:13:53 90.7 16.9 1.8 

08:14:13 89.3 16.9 1.7 

08:14:34 89.7 16.9 1.7 

08:14:54 91.6 16.9 1.7 

08:15:14 88.7 16.9 1.7 

08:15:34 87.1 17.0 1.7 

08:15:54 89.5 17.0 1.7 

08:16:13 90.8 16.9 1.7 

08:16:34 88.0 16.9 1.7 

08:16:54 86.4 16.9 1.7 

08:17:14 87.3 16.9 1.7 

08:17:34 85.7 16.9 1.7 

08:17:54 89.6 16.9 1.7 

08:18:14 89.7 16.9 1.7 

08:18:33 88.8 16.9 1.7 

08:18:54 90.4 16.9 1.7 

08:19:14 88.6 16.9 1.7 

08:19:34 89.2 16.9 1.7 

08:19:54 88.2 16.9 1.7 

08:20:14 88.8 16.9 1.7 

08:20:34 87.4 16.9 1.7 

08:20:53 86.7 16.9 1.7 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Page 3 of 16 
Northshore Mining 

Time PPm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

07:29:34 0.1 -20.6 -0.1 

08:21:14 87.2 16.9 1.7 Run 1 

08:21:34 87.6 16.9 1.7 Run 1 

08:21:54 89.9 16.9 1.8 Run 1 

08:22:14 88.1 16.9 1.8 Run 1 

08:22:34 89.2 16.9 1.8 Run 1 

08:22:53 91.4 16.8 1.8 Run 1 

08:23:13 89.9 16.8 1.8 Run 1 

08:23:34 90.1 16.8 1.8 Run 1 

08:23:54 90.3 16.8 1.8 Run 1 

08:24:14 90.7 16.8 1.8 Run 1 

08:24:34 92.4 16.8 1.8 Run 1 

08:24:54 90.6 16.8 1.8 Run 1 

08:25:13 89.8 16.8 1.8 Run 1 

08:25:34 90.6 16.8 1.8 Run 1 

08:25:54 94.1 16.8 1.8 Run 1 

08:26:14 91.4 16.8 1.8 Run 1 

08:26:34 91.6 16.8 1.8 Run 1 

08:26:54 92.8 16.8 1.8 Run 1 

08:27:14 90.7 16.8 1.8 Run 1 

08:27:33 89.0 16.8 1.8 Run 1 

08:27:54 89.8 16.9 1.7 Run 1 

08:28:14 92.4 16.9 1.8 Run 1 

08:28:34 91.6 16.8 1.8 Run 1 

08:28:54 90.4 16.9 1.8 Run 1 

08:29:14 88.6 16.9 1.8 Run 1 

08:29:34 86.5 16.9 1.7 Run 1 

08:29:53 89.8 16.9 1.8 Run 1 

08:30:14 87.5 16.8 1.8 Run 1 

08:30:34 87.1 16.8 1.8 Run 1 

08:30:54 87.6 16.8 1.8 Run 1 

08:31:14 85.9 16.8 1.8 Run 1 

08:31:34 86.4 16.8 1.8 Run 1 

08:31:53 86.6 16.8 1.8 Run 1 

08:32:13 . 86.4 16.8 1.8 Run 1 

08:32:34 84.9 16.8 1.8 Run 1 

08:32:54 85.4 16.8 1.8 Run 1 

08:33:14 85.9 16.8 1.8 Run 1 

08:33:34 87.1 16.8 1.8 Run 1 

08:33:54 86.6 16.8 1.8 Run 1 

08:34:13 88.1 16.8 1.8 Run 1 

08:34:34 85.8 16.8 1.8 Run 1 

08:34:54 87.4 16.8 1.8 Run 1 

08:35:14 88.3 16.8 1.8 Run 1 

08:35:34 88.5 16.8 1.8 Run 1 

08:35:54 88.4 16.8 1.8 Run 1 

08:36:14 86.6 16.8 1.8 Run 1 

08:36:33 86.1 16.9 1.8 Run 1 

08:36:54 87.5 16.9 1.8 Run 1 

08:37:14 83.4 16.9 1.7 Run 1 

08:37:34 82.6 16.9 1.7 Run 1 

08:37:54 87.2 16.9 1.7 Run 1 

08:38:14 89.0 16.9 1.8 Run 1 

08:38:34 88.2 16.8 1.8 Run 1 

Barr Engineering 

Page 4 of 16 
Northshore Mining 

Time PPm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

07:29:34 0.1 -20.6 -0.1 

08:38:53 86.1 16.9 1.8 Run 1 

08:39:14 86.9 16.9 1.7 Run 1 

08:39:34 86.5 16.9 1.7 Run 1 

08:39:54 85.8 16.9 1.7 Run 1 

08:40:14 86.6 16.9 1.7 Run 1 

08:40:34 89.4 16.9 1.7 Run 1 

08:40:53 85.4 16.9 1.8 Run 1 

08:41:13 85.1 17.0 1.7 Run 1 

08:41:34 83.1 17.0 1.7 Run 1 

08:41:54 86.8 17.0 1.7 Run 1 

08:42:14 85.2 16.9 1.7 Run 1 

08:42:34 84.6 17.0 1.7 Run 1 

08:42:54 84.0 17.0 1.7 Run 1 

08:43:13 82.7 17.0 1.7 Run 1 

08:43:34 87.1 16.9 1.7 Run 1 

08:43:54 86.7 16.9 1.7 Run 1 

08:44:14 83.3 16.9 1.8 Run 1 

08:44:34 84.4 16.9 1.7 Run 1 

08:44:54 83.5 16.9 1.7 Run 1 

08:45:14 83.4 16.9 1.7 Run 1 

08:45:33 83.7 16.9 1.7 Run 1 

08:45:54 81.3 16.9 1.7 Run 1 

08:46:14 83.6 16.9 1.7 Run 1 

08:46:34 83.5 16.9 1.7 Run 1 

08:46:54 82.8 16.9 1.7 Run 1 

08:47:14 85.6 16.9 1.7 Run 1 

08:47:34 85.6 16.9 1.7 Run 1 

08:47:53 86.1 16.9 1.7 Run 1 

08:48:14 84.6 16.9 1.7 Run 1 

08:48:34 83.6 16.9 1.7 Run 1 

08:48:54 81.7 16.9 1.7 Run 1 

08:49:14 82.1 17.0 1.7 Run 1 

08:49:34 85.6 17.0 1.7 Run 1 

08:49:53 83.9 17.0 1.7 Run 1 

08:50:13 80.7 17.0 1.7 Run 1 

08:50:34 82.3 17.0 1.7 Run 1 

08:50:54 81.1 17.0 1.7 Run 1 

08:51:14 81.5 17.1 1.7 Run 1 

08:51:34 80.6 17.0 1.7 Run 1 

08:51:54 79.2 17.0 1.7 Run 1 

08:52:13 78.0 17.1 1.7 Run 1 

08:52:34 79.1 17.1 1.7 Run 1 

08:52:54 81.5 17.0 1.7 Run 1 

08:53:14 81.2 17.0 1.7 Run 1 

08:53:34 80.6 17.0 1.7 Run 1 

08:53:54 80.4 17.0 1.7 Run 1 

08:54:14 81.9 17.0 1.7 Run 1 

08:54:33 83.4 16.9 1.7 Run 1 

08:54:54 82.6 16.9 1.7 Run 1 

08:55:14 84.6 16.9 1.7 Run 1 

08:55:34 82.8 16.9 1.7 Run 1 

08:55:54 83.6 16.9 1.7 Run 1 

08:56:14 83.9 16.9 1.7 Run 1 

Barr Engineering 

Page 5 of 16 
Northshore Mining 

Time ppm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

0/0 

07:29:34 0.1 -20.6 -0.1 

08:56:34 84.6 16.9 1.7 Run 1 

08:56:53 85.7 16.9 1.7 Run 1 

08:57:14 83.8 16.9 1.7 Run 1 

08:57:34 83.9 16.9 1.7 Run 1 

08:57:54 83.7 16.9 1.7 Run 1 

08:58:14 82.2 16.9 1.7 Run 1 

08:58:34 81.0 16.9 1.7 Run 1 

08:58:53 83.0 16.9 1.7 Run 1 

08:59:13 87.8 16.9 1.7 Run 1 

08:59:34 84.3 16.8 1.7 Run 1 

08:59:54 83.6 16.9 1.7 Run 1 

09:00:14 84.6 16.9 1.7 Run 1 

09:00:34 83.4 16.9 1.7 Run 1 

09:00:54 81.9 16.9 1.7 Run 1 

09:01:13 83.4 16.9 1.7 Run 1 

09:01:34 83.0 16.9 1.7 Run 1 

09:01:54 83.0 16.9 1.7 Run 1 

09:02:14 81.4 16.9 1.7 Run 1 

09:02:34 85.9 16.9 1.7 Run 1 

09:02:54 82.0 16.9 1.7 Run 1 

09:03:14 83.1 16.9 1.7 Run 1 

09:03:33 82.1 16.9 1.7 Run 1 

09:03:54 81.1 17.0 1.7 Run 1 

09:04:14 81.3 17.0 1.7 Run 1 

09:04:34 79.6 17.0 1.7 Run 1 

09:04:54 80.5 17.0 1.7 Run 1 

09:05:14 80.6 17.0 1.7 Run 1 

09:05:34 81.1 17.0 1.7 Run 1 

09:05:53 80.4 17.0 1.7 Run 1 

09:06:14 76.6 17.0 1.7 Run 1 

09:06:34 77.8 17.0 1.7 Run 1 

09:06:54 78.0 17.0 1.7 Run 1 

09:07:14 77.2 17.0 1.7 Run 1 

09:07:34 81.4 17.0 1.7 Run 1 

09:07:53 82.8 17.0 1.7 Run 1 

09:08:13 82.4 17.0 1.7 Run 1 

09:08:34 84.0 17.0 1.7 Run 1 

09:08:54 86.4 16.9 1.7 Run 1 

09:09:14 83.7 16.9 1.7 Run 1 

09:09:34 85.2 16.9 1.7 Run 1 

09:09:54 87.6 16.9 1.7 Run 1 

09:10:13 86.8 16.9 1.7 Run 1 

09:10:33 87.7 16.9 1.7 Run 1 

09:10:54 86.9 16.9 1.7 Run 1 

09:11:14 86.1 17.0 1.7 Run 1 

09:11:34 85.3 17.0 1.7 Run 1 

09:11:54 85.6 17.0 1.7 Run 1 

09:12:14 84.8 17.0 1.7 RUN 1 - 0813-0913 

09:12:33 84.5 17.0 1.7 NOx ppm 02 % CO2 % 

09:12:54 84.5 17.0 1.7 85.6 16.9 1.7 

09:13:14 83.7 17.0 1.7 

09:13:34 83.1 17.0 1.7 

Barr Engineering 

Page 6 of 16 
Northshore Mining 

Time ppm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

07:29:34 0.1 -20.6 -0.1 

09:13:54 82.4 17.0 1.7 

09:14:14 85.6 17.0 1.7 

09:14:34 84.2 17.0 1.7 

09:14:53 84.6 17.0 1.7 

09:15:14 84.0 16.9 1.7 

09:15:34 72.6 16.9 1.7 

09:15:54 8.7 8.7 0.5 

09:16:14 3.4 0.5 0.0 

09:16:34 1.8 0.2 0.0 

09:16:53 1.5 0.1 0.0 

09:17:13 1.0 0.1 0.0 

09:17:34 186.3 0.1 0.0 

09:17:54 221.0 0.1 0.0 

09:18:14 231.4 0.1 0.0 

09:18:34 233.8 0.1 0.0 

09:18:54 234.3 0.1 0.0 

09:19:13 234.4 0.1 0.0 

09:19:33 122.1 0.1 0.0 

09:19:54 95.6 0.1 0.0 

09:20:14 96.2 0.1 0.0 

09:20:34 95.4 0.1 0.0 

09:20:54 95.5 0.1 0.0 

09:21:14 95.2 0.1 0.0 

09:21:33 3.4 6.1 1.7 

09:21:54 1.8 17.1 3.0 

09:22:14 1.6 17.5 3.0 

09:22:34 1.5 17.6 3.0 

09:22:54 1.4 17.6 3.0 

09:23:14 1.3 17.7 3.0 

09:23:34 1.3 17.7 3.0 

Time NOx 02 CO2 

Time ppm ok % 

09:25:03 0.1 14.1 1.0 

09:25:24 0.0 0.6 0.0 

09:25:44 0.2 0.1 0.0 

09:26:04 0.1 0.0 0.0 

09:26:24 0.1 0.0 0.0 

09:26:44 0.0 0.0 0.0 

09:27:03 0.0 0.0 0.0 

09:27:23 96.9 0.1 0.0 

09:27:44 95.8 0.1 0.0 

09:28:04 95.8 0.0 0.0 

09:28:24 96.0 0.0 0.0 

09:28:44 44.2 0.0 0.0 

09:29:04 44.7 0.0 0.0 

09:29:23 44.6 0.0 0.0 

09:29:44 82.4 0.8 0.3 

09:30:04 34.4 14.5 1.8 

09:30:24 1.4 15.3 1.9 

09:30:44 0.9 1.7 0.1 

09:31:04 0.7 0.2 0.1 

09:31:24 0.2 0.1 0.0 

Barr Engineering 

Page 7 of 16 
Northshore Mining 

Time 

07:29:34 

PPm 

0.1 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

-20.6 -0.1 

09:31:43 0.3 0.1 0.0 

09:32:04 0.3 0.1 0.0 

09:32:24 0.4 0.1 0.0 

09:32:44 75.0 0.1 0.0 

09:33:04 92.5 0.1 0.0 

09:33:24 92.9 0.1 0.0 

09:33:43 94.5 0.1 0.0 

09:34:03 94.0 0.1 0.0 

09:34:24 94.2 0.1 0.0 

09:34:44 82.2 1.2 0.2 

09:35:04 1.3 0.3 0.0 

09:35:24 0.3 0.1 0.0 

09:35:44 81.0 1.8 0.5 

09:36:03 84.3 15.5 1.7 

09:36:23 84.6 17.0 1.7 

09:36:44 83.5 17.1 1.7 

09:37:04 84.3 17.1 1.7 

09:37:24 84.9 17.0 1.7 

09:37:44 87.1 17.0 1.7 

09:38:04 85.7 17.0 1.7 Run 2 

09:38:23 86.0 17.0 1.7 Run 2 

09:38:44 87.8 17.0 1.7 Run 2 

09:39:04 85.5 17.0 1.7 Run 2 

09:39:24 85.0 17.0 1.7 Run 2 

09:39:44 88.1 17.0 1.7 Run 2 

09:40:04 90.1 17.0 1.7 Run 2 

09:40:24 89.7 17.0 1.8 Run 2 

09:40:43 91.4 17.0 1.8 Run 2 

09:41:04 90.8 17.0 1.8 Run 2 

09:41:24 88.3 17.0 1.8 Run 2 

09:41:44 87.3 17.0 1.7 Run 2 

09:42:04 88.0 17.0 1.7 Run 2 

09:42:24 87.0 17.0 1.7 Run 2 

09:42:43 88.5 17.1 1.7 Run 2 

09:43:03 86.2 17.0 1.7 Run 2 

09:43:24 85.6 17.1 1.7 Run 2 

09:43:44 85.5 17.1 1.7 Run 2 

09:44:04 88.5 17.0 1.7 Run 2 

09:44:24 87.2 17.0 1.7 Run 2 

09:44:44 85.0 17.1 1.7 Run 2 

09:45:03 86.8 17.1 1.7 Run 2 

09:45:23 86.8 17.0 1.7 Run 2 

09:45:44 87.5 17.1 1.7 Run 2 

09:46:04 90.4 17.1 1.7 Run 2 

09:46:24 89.0 17.1 1.7 Run 2 

09:46:44 88.3 17.1 1.7 Run 2 

09:47:04 89.4 17.1 1.7 Run 2 

09:47:23 87.3 17.1 1.7 Run 2 

09:47:44 88.3 17.1 1.7 Run 2 

09:48:04 87.0 17.1 1.7 Run 2 

09:48:24 87.6 17.1 1.7 Run 2 

09:48:44 87.6 17.1 1.7 Run 2 

09:49:04 86.8 17.0 1.7 Run 2 

Barr Engineering 

Page 8 of 16 
Northshore Mining 

Time PPm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

oh, °A 

07:29:34 0.1 -20.6 -0.1 

09:49:24 86.8 17.1 1.7 Run 2 

09:49:43 85.9 17.0 1.7 Run 2 

09:50:04 89.8 17.0 1.7 Run 2 

09:50:24 89.1 17.0 1.8 Run 2 

09:50:44 89.4 17.0 1.8 Run 2 

09:51:04 91.7 17.0 1.8 Run 2 

09:51:24 91.2 16.9 1.8 Run 2 

09:51:43 89.7 16.9 1.8 Run 2 

09:52:03 89.9 16.9 1.8 Run 2 

09:52:24 90.3 16.9 1.8 Run 2 

09:52:44 91.5 16.9 1.8 Run 2 

09:53:04 91.7 16.9 1.8 Run 2 

09:53:24 90.3 16.9 1.8 Run 2 

09:53:44 91.2 16.9 1.8 Run 2 

09:54:03 91.5 16.9 1.8 Run 2 

09:54:23 90.2 16.9 1.8 Run 2 

09:54:44 91.6 16.9 1.8 Run 2 

09:55:04 91.5 16.9 1.8 Run 2 

09:55:24 90.8 16.9 1.8 Run 2 

09:55:44 90.3 16.9 1.8 Run 2 

09:56:04 90.2 16.9 1.8 Run 2 

09:56:23 93.1 17.0 1.8 Run 2 

09:56:43 93.5 16.9 1.8 Run 2 

09:57:04 90.4 16.9 1.8 Run 2 

09:57:24 89.2 17.0 1.8 Run 2 

09:57:44 88.5 17.0 1.8 Run 2 

09:58:04 91.6 17.0 1.8 Run 2 

09:58:24 89.8 16.9 1.8 Run 2 

09:58:43 88.3 17.0 1.8 Run 2 

09:59:04 89.9 17.0 1.8 Run 2 

09:59:24 88.6 17.0 1.8 Run 2 

09:59:44 87.2 17.0 1.8 Run 2 

10:00:04 87.1 17.0 1.8 Run 2 

10:00:24 86.2 17.0 1.8 Run 2 

10:00:43 85.4 17.0 1.8 Run 2 

10:01:03 85.1 17.0 1.8 Run 2 

10:01:24 85.4 17.0 1.8 Run 2 

10:01:44 84.6 17.0 1.7 Run 2 

10:02:04 85.7 17.0 1.8 Run 2 

10:02:24 88.5 17.0 1.8 Run 2 

10:02:44 87.2 16.9 1.8 Run 2 

10:03:03 87.3 17.0 1.8 Run 2 

10:03:23 87.0 17.0 1.8 Run 2 

10:03:44 90.4 17.0 1.8 Run 2 

10:04:04 86.8 17.0 1.8 Run 2 

10:04:24 88.3 17.0 1.8 Run 2 

10:04:44 89.9 17.0 1.8 Run 2 

10:05:04 90.0 17.0 1.8 Run 2 

10:05:23 86.7 17.0 1.8 Run 2 

10:05:43 86.0 17.0 1.7 Run 2 

10:06:04 89.8 17.0 1.7 Run 2 

10:06:24 91.3 16.9 1.8 Run 2 

10:06:44 90.1 16.9 1.8 Run 2 

Barr Engineering 

Page 9 of 16 
Nodhshore Mining 

Time PPm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

°/0 % 

07:29:34 0.1 -20.6 -0.1 

10:07:04 89.3 17.0 1.8 Run 2 

10:07:24 90.4 17.0 1.8 Run 2 

10:07:43 89.6 16.9 1.8 Run 2 

10:08:04 90.3 17.0 1.8 Run 2 

10:08:24 90.3 17.0 1.8 Run 2 

10:08:44 94.0 17.0 1.8 Run 2 

10:09:04 90.1 16.9 1.8 Run 2 

10:09:24 88.7 17.0 1.7 Run 2 

10:09:43 87.3 17.0 1.7 Run 2 

1 0:1 0:03 90.0 17.0 1.7 Run 2 

10:10:24 89.3 17.0 1.7 Run 2 

1 0:10:44 88.3 17.0 1.7 Run 2 

10:11:04 86.8 17.0 1.7 Run 2 

1 0:11:24 87.9 17.0 1.7 Run 2 

1 0:11 :44 87.9 17.0 1.7 Run 2 

10:12:03 87.5 17.0 1.7 Run 2 

10:12:23 90.1 17.0 1.8 Run 2 

10:12:44 86.8 17.0 1.8 Run 2 

10:13:04 86.1 17.0 1.7 Run 2 

10:13:24 86.0 17.0 1.7 Run 2 

10:13:44 87.3 17.0 1.7 Run 2 

10:14:04 86.2 17.0 1.8 Run 2 

10:14:23 85.7 17.0 1.7 Run 2 

10:14:43 86.2 17.0 1.7 Run 2 

10:15:04 87.5 17.0 1.7 Run 2 

10:15:24 87.1 17.0 1.8 Run 2 

10:15:44 89.4 17.0 1.8 Run 2 

10:16:04 90.2 17.0 1.7 Run 2 

10:16:24 87.8 17.0 1.7 Run 2 

10:1 6:43 89.8 17.0 1.7 Run 2 

1 0:17:04 86.3 17.0 1.7 Run 2 

10:17:24 88.7 17.1 1.7 Run 2 

10:17:44 92.5 17.0 1.7 Run 2 

10:18:04 89.1 17.0 1.8 Run 2 

10:18:24 86.0 17.0 1.7 Run 2 

10:18:43 89.0 17.0 1.7 Run 2 

10:19:03 85.8 17.0 1.7 Run 2 

10:19:24 87.4 17.1 1.7 Run 2 

10:19:44 86.4 17.0 1.7 Run 2 

10:20:04 86.2 17.0 1.7 Run 2 

10:20:24 85.6 17.0 1.7 Run 2 

10:20:44 86.2 17.0 1.7 Run 2 

10:21:03 85.4 17.0 1.7 Run 2 

10:21 :23 87.6 17.0 1.7 Run 2 

10:21:44 86.0 17.0 1.7 Run 2 

10:22:04 85.8 17.0 1.7 Run 2 

10:22:24 87.7 17.0 1.7 Run 2 

10:22:44 88.7 17.0 1.7 Run 2 

10:23:04 87.0 17.0 1.7 Run 2 

10:23:23 89.0 17.0 1.7 Run 2 

10:23:43 88.1 17.0 1.7 Run 2 

10:24:04 87.3 17.0 1.7 Run 2 

10:24:24 89.0 17.0 1.7 Run 2 

Barr Engineering 

Page 10 of 16 
Northshore Mining Barr Engineering 

Time ppm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

07:29:34 0.1 -20.6 -0.1 

10:24:44 88.7 17.0 1.7 Run 2 

10:25:04 88.9 17.0 1.7 Run 2 

10:25:24 87.4 17.0 1.7 Run 2 

10:25:43 86.9 17.0 1.7 Run 2 

10:26:04 88.0 17.0 1.7 Run 2 

10:26:24 84.9 17.0 1.7 Run 2 

10:26:44 84.2 17.1 1.7 Run 2 

10:27:04 84.1 17.1 1.7 Run 2 

10:27:24 90.3 17.1 1.7 Run 2 

10:27:43 85.8 17.0 1.7 Run 2 

10:28:03 86.0 17.0 1.7 Run 2 

10:28:24 86.9 17.0 1.7 Run 2 

10:28:44 87.7 17.0 1.7 Run 2 

10:29:04 86.3 17.0 1.7 Run 2 

10:29:24 89.5 17.0 1.7 Run 2 

10:29:44 87.5 17.0 1.7 Run 2 

10:30:03 87.9 17.0 1.7 Run 2 

10:30:23 87.8 17.0 1.7 Run 2 

10:30:44 89.4 17.0 1.7 Run 2 

10:31:04 87.3 17.0 1.7 Run 2 

10:31:24 87.8 17.0 1.7 Run 2 

10:31:44 87.3 17.0 1.7 Run 2 

10:32:04 87.0 17.0 1.7 Run 2 

10:32:23 84.9 17.0 1.7 Run 2 

10:32:43 83.5 17.0 1.7 Run 2 

10:33:04 85.4 17.1 1.7 Run 2 

10:33:24 , 82.8 17.1 1.7 Run 2 

10:33:44 83.6 17.1 1.7 Run 2 

10:34:04 84.6 17.1 1.7 Run 2 

10:34:24 80.9 17.1 1.7 Run 2 

10:34:43 83.3 17.1 1.7 Run 2 

10:35:04 84.8 17.1 1.7 Run 2 

10:35:24 80.1 17.1 1.7 Run 2 

10:35:44 82.8 17.1 1.7 Run 2 

10:36:04 83.5 17.1 1.7 Run 2 

10:36:24 84.3 17.1 1.7 Run 2 

10:36:43 82.9 17.1 1.7 Run 2 

10:37:03 86.2 17.1 1.7 RUN 2 - 0938-1038 

10:37:24 86.9 17.0 1.7 NOx ppm 0 2 % CO2 % 

10:37:44 88.2 17.0 1.7 87.8 17.0 1.7 

10:38:04 89.8 17.0 1.7 

10:38:24 88.9 17.0 1.7 

10:38:44 90.5 17.0 1.7 

10:39:03 88.9 17.1 1.7 

10:39:23 67.9 17.1 1.7 

10:39:44 3.5 7.7 0.4 

10:40:04 0.9 0.4 0.1 

10:40:24 0.7 0.2 0.1 

10:40:44 0.7 0.1 0.0 

10:41:04 0.6 0.1 0.0 

10:41:23 0.6 0.1 0.0 

10:41:43 0.5 0.1 0.0 

Page 11 of 16 
CO2 

% 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

1.7 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Run 3 

Northshore Mining 

Time ppm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

07:29:34 0.1 -20.6 -0.1 

10:42:04 63.0 0.1 0.0 

10:42:24 90.5 0.1 0.0 

10:42:44 92.2 0.1 0.0 

10:43:04 93.3 0.1 0.0 

10:43:24 94.0 0.1 0.0 

10:43:43 94.3 0.1 0.0 

10:44:04 94.3 0.1 0.0 

10:44:24 4.4 2.6 1.0 

10:44:44 1.1 16.6 2.9 

10:45:04 0.7 17.6 3.0 

10:45:24 0.6 17.6 3.0 

10:45:43 0.5 17.7 3.0 

10:46:03 0.7 17.7 3.0 

10:46:24 0.5 16.5 2.3 

10:46:44 0.4 2.3 0.2 

10:47:04 0.3 0.2 0.1 

10:47:24 0.4 0.1 0.1 

10:47:44 2.5 0.1 0.1 

10:48:03 89.6 8.3 1.3 

1 

Time 

Time 

10:49:09 

10:49:29 

10:49:49 

10:50:09 

10:50:29 

10:50:48 

NOx 

ppm 

88.9 

87.4 

85.0 

85.0 

83.8 

84.1 

02 

% 

17.0 

17.0 

17.0 

17.0 

17.0 

17.0 

10:51:08 86.4 17.0 

10:51:29 87.4 17.0 

10:51:49 87.2 17.0 

10:52:09 87.6 17.0 

10:52:29 85.9 17.0 

10:52:49 89.2 17.0 

10:53:08 87.4 17.0 

10:53:28 87.9 17.0 

10:53:49 92.3 16.9 

10:54:09 90.3 16.9 

10:54:29 90.4 16.9 

10:54:49 90.7 16.9 

10:55:09 92.5 16.9 

10:55:28 89.2 16.9 

10:55:48 89.9 17.0 

10:56:09 89.7 17.0 

10:56:29 90.7 17.0 

10:56:49 87.8 17.0 

10:57:09 87.1 17.0 

10:57:29 86.7 17.0 

10:57:48 88.5 17.0 

10:58:09 88.9 17.0 

10:58:29 87.2 17.0 

10:58:49 90.5 17.0 

10:59:09 90.3 17.0 

Page 12 of 16 

Barr Engineering 
Northshore Mining 

Time PPm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

07:29:34 0.1 -20.6 -0.1 

10:59:29 87.1 17.0 1.7 Run 3 

10:59:48 84.7 17.0 1.7 Run 3 

11:00:08 88.3 17.0 1.7 Run 3 

11:00:29 87.6 17.0 1.7 Run 3 

11:00:49 87.3 17.0 1.7 Run 3 

11:01:09 88.1 17.0 1.7 Run 3 

1 1 :01 :29 85.4 17.0 1.7 Run 3 

11:01:49 85.1 17.0 1.7 Run 3 

11:02:08 84.3 17.0 1.7 Run 3 

11:02:28 84.9 17.0 1.7 Run 3 

11:02:49 84.3 17.0 1.7 Run 3 

11:03:09 88.5 17.0 1.7 Run 3 

11:03:29 91.5 17.0 1.7 Run 3 

11:03:49 88.1 17.0 1.7 Run 3 

11:04:09 87.6 17.0 1.7 Run 3 

11:04:28 84.8 17.0 1.7 Run 3 

11:04:48 84.6 17.0 1.7 Run 3 

11:05:09 85.7 17.0 1.7 Run 3 

11:05:29 85.1 17.0 1.7 Run 3 

11:05:49 87.1 17.0 1.7 Run 3 

11:06:09 84.7 17.0 1.7 Run 3 

11:06:29 85.1 17.0 1.7 Run 3 

11:06:48 85.2 17.0 1.7 Run 3 

11:07:09 84.7 17.0 1.7 Run 3 

11:07:29 85.4 17.0 1.7 Run 3 

11:07:49 87.9 17.0 1.7 Run 3 

11:08:09 89.5 17.0 1.7 Run 3 

11:08:29 90.0 16.9 1.7 Run 3 

11:08:48 90.2 16.9 1.7 Run 3 

11:09:08 88.0 17.0 1.7 Run 3 

11:09:29 87.3 17.0 1.7 Run 3 

11:09:49 87.9 17.0 1.7 Run 3 

11:10:09 89.9 17.0 1.7 Run 3 

11:10:29 87.8 17.0 1.7 Run 3 

11:1 0:49 90.3 17.0 1.7 Run 3 

11:11:08 89.4 17.0 1.7 Run 3 

11:11:28 89.1 17.0 1.7 Run 3 

11:11:49 88.8 17.0 1.7 Run 3 

11:12:09 91.2 16.9 1.7 Run 3 

11:12:29 89.1 16.9 1.7 Run 3 

11 :12:49 86.7 16.9 1.7 Run 3 

11:13:09 88.5 17.0 1.7 Run 3 

11:13:28 89.6 16.9 1.7 Run 3 

11:13:48 89.3 16.9 1.7 Run 3 

11:14:09 91.0 16.9 1.7 Run 3 

11:14:29 91.4 16.9 1.7 Run 3 

11 :14:49 90.2 16.9 1.7 Run 3 

11:15:09 90.3 16.9 1.7 Run 3 

11:15:29 90.0 16.9 1.7 Run 3 

11:15:48 88.4 16.9 1.7 Run 3 

11 :16:08 90.8 16.9 1.7 Run 3 

11:16:29 93.1 16.9 1.7 Run 3 

11:16:49 89.4 16.8 1.7 Run 3 

Barr Engineering 

Page 13 of 16 
Northshore Mining 

Time PPm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

07:29:34 0.1 -20.6 -0.1 

11:17:09 89.1 16.9 1.7 Run 3 

11:17:29 90.0 16.9 1.7 Run 3 

11:17:48 89.8 16.9 1.7 Run 3 

11:18:08 92.9 16.9 1.7 Run 3 

11:18:29 88.2 16.9 1.7 Run 3 

11:18:49 89.5 16.9 1.7 Run 3 

11:19:09 92.0 16.9 1.7 Run 3 

11:19:29 88.5 16.9 1.7 Run 3 

11:19:49 91.2 16.9 1.7 Run 3 

11:20:08 92.0 16.9 1.7 Run 3 

11:20:28 90.8 16.9 1.7 Run 3 

11:20:49 92.5 16.9 1.7 Run 3 

11:21:09 92.2 16.9 1.7 Run 3 

11:21:29 90.2 16.9 1.7 Run 3 

11:21:49 93.0 16.9 1.7 Run 3 

11:22:09 91.3 16.8 1.7 Run 3 

11:22:28 89.8 16.9 1.7 Run 3 

11:22:48 93.5 16.9 1.7 Run 3 

11:23:09 91.5 16.9 1.7 Run 3 

11:23:29 89.7 16.9 1.7 Run 3 

11:23:49 90.3 16.9 1.7 Run 3 

11:24:09 88.1 16.9 1.7 Run 3 

11:24:29 89.9 16.9 1.7 Run 3 

11:24:48 92.3 16.9 1.7 Run 3 

11:25:08 90.7 16.9 1.7 Run 3 

11:25:29 86.5 16.9 1.7 Run 3 

11:25:49 87.3 16.9 1.7 Run 3 

11:26:09 90.7 16.9 1.7 Run 3 

11:26:29 89.3 16.8 1.7 Run 3 

11:26:48 87.9 16.9 1.7 Run 3 

11:27:08 88.8 16.9 1.7 Run 3 

11:27:29 87.8 16.9 1.7 Run 3 

11:27:49 87.7 16.8 1.7 Run 3 

11:28:09 86.6 16.9 1.7 Run 3 

11:28:29 86.1 16.9 1.7 Run 3 

11:28:49 86.1 16.9 1.7 Run 3 

11:29:08 86.3 16.9 1.7 Run 3 

11:29:28 87.0 16.9 1.7 Run 3 

11:29:49 87.7 16.9 1.7 Run 3 

11:30:09 88.5 16.9 1.7 Run 3 

11:30:29 92.6 16.9 1.7 Run 3 

11:30:49 88.5 16.9 1.7 Run 3 

11:31:09 89.4 16.9 1.7 Run 3 

11:31:28 89.1 16.9 1.7 Run 3 

11:31:48 90.1 16.9 1.7 Run 3 

11:32:09 90.0 16.9 1.7 Run 3 

11:32:29 89.5 16.9 1.7 Run 3 

11:32:49 89.1 16.9 1.7 Run 3 

11:33:09 86.0 16.9 1.7 Run 3 

11:33:29 84.2 17.0 1.6 Run 3 

11:33:48 85.1 17.0 1.6 Run 3 

11:34:08 91.9 17.0 1.7 Run 3 

11:34:29 91.8 16.9 1.7 Run 3 

Barr Engineering 

Page 14 of 16 
Northshore Mining Barr Engineering 

Time ppm 

Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

% % 

07:29:34 0.1 -20.6 -0.1 

11:34:49 87.9 16.9 1.7 Run 3 

11:35:09 86.8 16.9 1.7 Run 3 

11:35:29 90.2 16.9 1.7 Run 3 

11:35:48 87.3 16.9 1.7 Run 3 

11:36:08 87.6 16.9 1.7 Run 3 

11:36:29 91.0 16.9 1.7 Run 3 

11:36:49 89.6 16.9 1.7 Run 3 

11:37:09 88.5 16.9 1.7 Run 3 

11:37:29 88.4 16.9 1.7 Run 3 

11:37:49 85.8 16.9 1.7 Run 3 

11:38:08 88.3 17.0 1.6 Run 3 

11:38:28 88.3 16.9 1.7 Run 3 

11:38:49 85.5 17.0 1.6 Run 3 

11:39:09 84.4 17.0 1.6 Run 3 

11:39:29 85.9 17.0 1.6 Run 3 

11:39:49 87.6 17.0 1.6 Run 3 

11:40:09 86.9 16.9 1.7 Run 3 

11:40:28 90.0 16.9 1.7 Run 3 

11:40:48 86.5 16.9 1.7 Run 3 

11:41:09 86.5 16.9 1.7 Run 3 

11:41:29 85.0 17.0 1.6 Run 3 

11:41:49 86.0 16.9 1.7 Run 3 

11:42:09 85.6 16.9 1.7 Run 3 

11:42:29 85.0 17.0 1.6 Run 3 

11:42:48 87.4 17.0 1.7 Run 3 

11:43:08 87.1 16.9 1.7 Run 3 

11:43:29 87.5 16.9 1.6 Run 3 

11:43:49 88.2 16.9 1.7 Run 3 

11:44:09 87.5 17.0 1.6 Run 3 

11:44:29 85.8 17.0 1.6 Run 3 

11:44:48 84.4 17.0 1.6 Run 3 

11:45:08 84.4 17.0 1.6 Run 3 

11:45:29 86.5 17.0 1.6 Run 3 

11:45:49 90.4 17.0 1.7 Run 3 

11:46:09 88.1 16.9 1.7 Run 3 

11:46:29 85.6 17.0 1.6 Run 3 

11:46:49 86.8 17.0 1.6 Run 3 

11:47:08 86.5 17.0 1.6 Run 3 

11:47:28 86.0 17.0 1.6 Run 3 

11:47:49 85.6 17.0 1.6 Run 3 

11:48:09 84.2 17.0 1.6 Run 3 

11:48:29 83.5 17.0 1.6 Run 3 

11:48:49 82.8 17.0 1.6 Run 3 

11:49:09 84.2 17.0 1.6 Run 3 

11:49:28 84.4 17.0 1.6 Run 3 

11:49:48 82.5 17.0 1.6 Run 3 

11:50:09 84.2 17.0 1.6 RUN 3 - 1051-1151 

11:50:29 83.0 17.0 1.6 NOx ppm 02 % CO2 % 

11:50:49 85.6 17.0 1.6 88.1 16.9 1.7 

11:51:09 85.2 17.0 1.6 

11:51:29 88.5 17.0 1.6 

11:51:48 86.9 17.0 1.6 

Page 15 of 16 
Northshore Mining Furnace 12 Waste Gas Stack 1205 

Reference Method Data Logger Output 

Time ppm % % 

07:29:34 0.1 -20.6 -0.1 

11:52:08 88.8 17.0 1.6 

11:52:29 89.4 17.0 1.6 

11:52:49 89.4 17.0 1.6 

11:53:09 5.6 11.3 0.8 

11:53:29 0.8 0.7 0.1 

11:53:48 0.4 0.2 0.1 

11:54:08 0.3 0.1 0.1 

11:54:29 0.3 0.1 0.0 

11:54:49 70.7 0.2 0.1 

11:55:09 92.0 0.1 0.0 

11:55:29 93.3 0.1 0.0 

11:55:49 93.3 0.1 0.0 

11:56:08 93.2 0.1 0.0 

11:56:28 93.4 0.1 0.0 

11:56:49 93.3 0.1 0.0 

11:57:09 16.5 0.6 0.5 

11:57:29 1.1 14.7 2.8 

11:57:49 0.6 17.5 2.9 

11:58:09 0.6 17.6 2.9 

11:58:28 0.4 17.6 3.0 

Barr Engineering 

Page 16 of 16 
Northshore Mining Furnace 12 Hood Exhaust 1203 Barr Engineering 

Reference Method Data Logger Output 

North Shore Mining 

Silver Bay, Minnesota 

Furnace 12 Hood Exhaust 1203 

The time is 13:45:21.86. 

The date is 12-20-2000. 

Time NOx 02 CO2 

Time ppm ok % 

13:45:43 -0.7 0.0 -0.1 

13:46:02 -0.8 0.0 -0.1 

13:46:22 -0.9 0.0 -0.1 

13:46:42 -0.7 0.0 -0.1 

13:47:03 -0.7 0.0 -0.1 

13:47:23 -0.8 0.0 -0.1 

13:47:43 -0.8 0.0 -0.1 

13:48:03 0.0 0.0 -0.1 

13:48:22 0.1 0.0 0.0 

13:48:42 0.2 0.0 0.0 

13:49:02 0.2 0.0 0.0 

13:49:23 0.0 9.1 2.4 

13:49:43 0.1 18.0 3.1 

13:50:03 0.3 18.2 3.1 

13:50:23 0.2 18.2 3.1 

13:50:42 0.2 18.1 3.0 

13:51:02 0.2 17.5 4.9 

13:51:23 0.1 10.7 9.9 

13:51:43 0.1 10.1 9.9 

13:52:03 0.1 10.1 10.0 

13:52:23 29.1 6.2 3.1 

13:52:43 46.1 0.2 0.0 

13:53:02 44.8 0.1 0.0 

13:53:22 91.4 0.0 0.0 

13:53:43 97.3 0.1 0.0 

13:54:03 96.2 0.0 0.0 

13:54:23 96.3 0.0 0.0 

13:54:43 1.0 0.0 0.0 

13:55:02 , 0.2 0.0 0.0 

13:55:22 24.1 7.2 0.2 

13:55:42 23.5 19.2 0.4 

13:56:03 9.7 19.5 0.5 

13:56:23 1.0 17.7 0.3 

13:56:43 0.7 2.0 0.0 

13:57:03 0.8 0.3 0.0 

13:57:22 0.7 0.1 0.0 

13:57:42 0.6 0.1 0.0 

13:58:02 0.7 0.1 0.0 

13:58:23 0.5 0.1 0.0 

13:58:43 0.6 0.1 0.0 

13:59:03 0.5 0.1 0.0 

13:59:23 42.1 0.1 0.0 

13:59:42 43.3 0.1 0.0 

14:00:02 44.3 0.1 0.0 

14:00:22 44.5 0.1 0.0 

14:00:43 31.4 0.1 0.1 

14:01:03 1.3 10.8 2.6 

14:01:23 1.1 17.3 2.9 

Page 1 of 14 
Northshore Mining Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

Time NOx 02 CO2 

Time ppm ok % 

14:01:43 1.0 17.6 3.0 

14:02:02 0.8 17.7 3.0 

14:02:22 0.8 17.7 3.0 

14:02:43 0.8 17.7 3.0 

14:03:03 0.7 10.3 1.1 

14:03:23 0.8 0.5 0.1 

14:03:43 22.4 2.7 0.2 

14:04:02 23.2 18.1 0.4 

14:04:22 22.0 19.3 0.4 

14:04:42 22.7 19.4 0.4 

Barr Engineering 

14:05:03 24.1 19.4 0.4 Run 1 

14:05:23 22.6 19.4 0.4 Run 1 

14:05:43 23.1 19.4 0.4 Run 1 

14:06:03 23.6 19.4 0.4 Run 1 

14:06:22 23.2 19.4 0.4 Run 1 

14:06:42 23.2 19.4 0.4 Run 1 

14:07:02 23.1 19.4 0.4 Run 1 

14:07:23 23.7 19.4 0.4 Run 1 

14:07:43 23.7 19.4 0.4 Run 1 

14:08:03 23.1 19.4 0.4 Run 1 

14:08:23 23.4 19.4 0.4 Run 1 

14:08:42 23.9 19.4 0.4 Run 1 

14:09:02 21.7 19.4 0.4 Run 1 

14:09:22 23.5 19.5 0.4 Run 1 

14:09:43 23.2 19.4 0.4 Run 1 

14:10:03 21.9 19.4 0.4 Run 1 

14:10:23 22.9 19.4 0.4 Run 1 

14:10:43 22.0 19.4 0.4 Run 1 

14:11:02 20.8 19.5 0.4 Run 1 

14:11:22 22.6 19.5 0.4 Run 1 

14:11:43 23.4 19.4 0.4 Run 1 

14:12:03 22.3 19.4 0.4 Run 1 

14:12:23 21.8 19.4 0.4 Run 1 

14:12:43 21.9 19.4 0.4 Run 1 

14:13:02 23.3 19.4 0.4 Run 1 

14:13:22 22.8 19.4 0.4 Run 1 

14:13:42 21.7 19.4 0.4 Run 1 

14:14:03 23.3 19.4 0.4 Run 1 

14:14:23 22.9 19.4 0.4 Run 1 

14:14:43 20.6 19.4 0.4 Run 1 

14:15:03 21.8 19.4 0.4 Run 1 

14:15:22 22.4 19.4 0.4 Run 1 

14:15:42 22.6 19.4 0.4 Run 1 

14:16:02 22.6 19.4 0.4 Run 1 

14:16:23 22.5 19.4 0.4 Run 1 

14:16:43 23.0 19.4 0.4 Run 1 

14:17:03 22.5 19.4 0.4 Run 1 

14:17:23 21.5 19.4 0.4 Run 1 

14:17:42 21.7 19.4 0.4 Run 1 

14:18:02 21.8 19.4 0.4 Run 1 

14:18:22 20.5 19.4 0.4 Run 1 

14:18:43 22.4 19.5 0.4 Run 1 

14:19:03 20.8 19.4 0.4 Run 1 

Page 2 of 14 
Northshore Mining 

Time 

Time 

NOx 

PPm 

Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

02 CO2 

0/0 % 

14:19:23 21.0 19.5 0.4 Run 1 

14:19:43 22.3 19.5 0.4 Run 1 

14:20:02 22.3 19.4 0.4 Run 1 

14:20:22 22.5 19.4 0.4 Run 1 

14:20:43 22.0 19.4 0.4 Run 1 

14:21:03 22.7 19.4 0.4 Run 1 

14:21:23 22.1 19.4 0.4 Run 1 

14:21:43 22.8 19.4 0.4 Run 1 

14:22:02 22.1 19.4 0.4 Run 1 

14:22:22 23.8 19.4 0.4 Run 1 

14:22:42 23.1 19.4 0.4 Run 1 

14:23:03 22.4 19.4 0.4 Run 1 

14:23:23 22.9 19.4 0.4 Run 1 

14:23:43 22.7 19.4 0.4 Run 1 

14:24:03 23.0 19.4 0.4 Run 1 

14:24:22 23.4 19.4 0.4 Run 1 

14:24:42 22.1 19.4 0.4 Run 1 

14:25:02 23.4 19.4 0.4 Run 1 

14:25:23 23.9 19.4 0.4 Run 1 

14:25:43 24.0 19.4 0.4 Run 1 

14:26:03 22.9 19.4 0.4 Run 1 

14:26:23 23.7 19.4 0.4 Run 1 

14:26:42 24.6 19.4 0.4 Run 1 

14:27:02 23.6 19.4 0.4 Run 1 

14:27:22 24.0 19.4 0.4 Run 1 

14:27:43 24.4 19.4 0.4 Run 1 

14:28:03 24.7 19.4 0.4 Run 1 

14:28:23 22.4 19.4 0.4 Run 1 

14:28:43 21.1 19.4 0.4 Run 1 

14:29:02 22.4 19.4 0.4 Run 1 

14:29:22 22.6 19.4 0.4 Run 1 

14:29:43 22.4 19.4 0.4 Run 1 

14:30:03 22.0 19.4 0.4 Run 1 

14:30:23 22.1 19.4 0.4 Run 1 

14:30:43 21.0 19.4 0.4 Run 1 

14:31:02 21.8 19.4 0.4 Run 1 

14:31:22 22.7 19.4 0.4 Run 1 

14:31:42 22.9 19.4 0.4 Run 1 

14:32:03 23.9 19.4 0.4 Run 1 

14:32:23 21.6 19.4 0.4 Run 1 

14:32:43 23.2 19.4 0.4 Run 1 

14:33:03 23.5 19.4 0.4 Run 1 

14:33:22 23.4 19.4 0.4 Run 1 

14:33:42 24.0 19.4 0.4 Run 1 

14:34:02 22.6 19.4 0.4 Run 1 

14:34:23 22.5 19.4 0.4 Run 1 

14:34:43 21.9 19.4 0.4 Run 1 

14:35:03 23.1 19.4 0.4 Run 1 

14:35:23 22.3 19.4 0.4 Run 1 

14:35:42 22.8 19.4 0.4 Run 1 

14:36:02 22.8 19.4 0.4 Run 1 

14:36:22 23.0 19.4 0.4 Run 1 

14:36:43 23.4 19.4 0.4 Run 1 

Barr Engineering 

Page 3 of 14 
Northshore Mining 

Time 

Time 

NOx 

ppm 

Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

02 CO2 

14:37:03 23.4 19.4 0.4 Run 1 

14:37:23 22.9 19.4 0.4 Run 1 

14:37:43 22.8 19.4 0.4 Run 1 

14:38:02 22.8 19.4 0.4 Run 1 

14:38:22 23.2 19.4 0.4 Run 1 

14:38:43 23.0 19.4 0.4 Run 1 

14:39:03 24.5 19.4 0.4 Run 1 

14:39:23 24.1 19.3 0.4 Run 1 

14:39:43 23.4 19.4 0.4 Run 1 

14:40:02 20.8 19.4 0.4 Run 1 

14:40:22 21.3 19.4 0.4 Run 1 

14:40:42 22.5 19.4 0.4 Run 1 

14:41:03 21.9 19.4 0.4 Run 1 

14:41:23 21.7 19.4 0.4 Run 1 

14:41:43 21.3 19.4 0.4 Run 1 

14:42:03 21.3 19.4 . 0.4 Run 1 

14:42:22 21.6 19.4 0.4 Run 1 

14:42:42 22.4 19.4 0.4 Run 1 

14:43:02 22.3 19.4 0.4 Run 1 

14:43:23 22.3 19.4 0.4 Run 1 

14:43:43 22.0 19.4 0.4 Run 1 

14:44:03 22.3 19.4 0.4 Run 1 

14:44:23 21.9 19.4 0.4 Run 1 

14:44:42 22.6 19.4 0.4 Run 1 

14:45:02 22.6 19.4 0.4 Run 1 

14:45:22 22.0 19.4 0.4 Run 1 

14:45:43 20.6 19.4 0.4 Run 1 

14:46:03 21.6 19.4 0.4 Run 1 

14:46:23 22.1 19.4 0.4 Run 1 

14:46:43 20.7 19.4 0.4 Run 1 

14:47:02 19.9 19.4 0.4 Run 1 

14:47:22 21.2 19.4 0.4 Run 1 

14:47:43 22.2 19.4 0.4 Run 1 

14:48:03 21.8 19.4 0.4 Run 1 

14:48:23 21.6 19.4 0.4 Run 1 

14:48:43 23.0 19.4 0.4 Run 1 

14:49:02 22.9 19.4 0.4 Run 1 

14:49:22 23.2 19.4 0.4 Run 1 

14:49:42 20.6 19.4 0.4 Run 1 

14:50:03 20.7 19.4 0.4 Run 1 

14:50:23 22.0 19.4 0.4 Run 1 

14:50:43 22.2 19.4 0.4 Run 1 

14:51:03 22.3 19.4 0.4 RUN 1 - 1405-1452 

14:51:22 23.4 19.4 0.4 NOx ppm 02 % CO2 % 

14:51:42 23.3 19.4 0.4 22.5 19.4 0.4 

14:52:02 15.5 19.4 0.4 

14:52:23 2.5 19.6 0.2 

14:52:43 1.6 19.8 0.2 

14:53:03 1.6 20.0 0.1 

14:53:23 1.6 20.1 0.1 

14:53:42 1.5 20.1 0.1 

14:54:02 1.4 20.1 0.1 

Barr Engineering 

Page 4 of 14 
Northshore Mining Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

Time NOx 02 CO2 

Time ppm % % 

14:54:22 1.5 20.2 0.1 

14:54:43 1.4 20.2 0.1 

14:55:03 1.3 20.2 0,1 

14:55:23 1.4 20.3 0.1 

14:55:43 1.4 20.3 0.1 

14:56:02 1.4 20.3 0.1 

14:56:22 1.4 20.3 0.1 

14:56:43 1.3 20.3 0.1 

14:57:03 1.4 20.3 0.1 

14:57:23 1.6 20.3 0.1 

14:57:43 1.7 20.3 0.1 

14:58:02 2.0 20.4 0.1 

14:58:22 2.1 20.4 0.1 

14:58:42 1.7 10.6 0.1 

14:59:03 0.8 0.6 0.0 

14:59:23 0.9 0.2 0.0 

14:59:43 0.9 0.2 0.0 

15:00:03 0.9 0.1 0.0 

15:00:22 0.5 0.1 0.0 

15:00:42 0.6 0.1 0.0 

15:01:02 0.6 0.1 0.0 

15:01:23 0.6 0.1 0.0 

15:01:43 0.6 2.9 1.1 

15:02:03 0.5 16.7 2.9 

15:02:23 0.6 17.5 2.9 

15:02:42 0.6 17.6 3.0 

15:03:02 0.6 17.6 3.0 

15:03:22 0.6 17.7 3.0 

15:03:43 0.6 17.7 3.0 

15:04:03 38.8 12.7 1.6 

15:04:23 42.1 0.7 0.1 

15:04:43 44.0 0.2 0.1 

15:05:02 44.1 0.2 0.1 

15:05:22 44.2 0.1 0.1 

15:05:43 27.2 0.1 0.0 

15:06:03 1.2 0.1 0.0 

15:06:23 1.0 0.1 0.0 

15:06:43 11.7 10.2 0.2 

15:07:02 13.8 19.6 0.3 

15:07:22 13.8 19.7 0.3 

15:07:42 14.2 19.8 0.3 

15:08:03 18.5 19.7 0.3 

15:08:23 19.9 19.6 0.3 

15:08:43 19.9 19.6 0.3 

15:09:03 20.0 19.6 0.4 

15:09:22 20.0 19.6 0.4 

15:09:42 20.2 19.6 0.4 

15:10:02 19.3 19.6 0.4 

15:10:23 19.2 19.6 0.3 

15:10:43 18.4 19.6 0.3 

15:11:03 18.8 19.6 0.3 

15:11:23 19.8 19.6 0.4 

15:11:42 19.5 19.6 0.4 

Barr Engineering 

Page 5 of 14 
Furnace 12 Hood Exhaust 1203 Barr Engineering 

Reference Method Data Logger Output 

Northshore Mining 

02 CO2 

19.6 0.4 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.3 

19.6 0.4 

19.5 0.4 

19.5 0.4 

19.5 0.4 

19.5 0.4 

19.5 0.4 

19.5 0.4 

19.5 0.4 

19.5 0.4 

19.4 0.4 

19.4 0.4 

19.4 0.4 Run 2 

19.4 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.2 0.4 Run 2 

19.2 0.4 Run 2 

19.2 0.4 Run 2 

19.2 0.4 Run 2 

19.3 0.4 Run 2 

19.2 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.3 0.4 Run 2 

19.4 0.4 Run 2 

19.4 0.4 Run 2 

19.4 0.4 Run 2 

Time NOx 

Time ppm 

15:12:02 18.5 

15:12:22 17.7 

15:12:43 18.9 

15:13:03 18.0 

15:13:23 19.3 

15:13:43 17.0 

15:14:02 18.0 

15:14:22 18.0 

15:14:42 17.8 

15:15:03 16.9 

15:15:23 18.1 

15:15:43 17.8 

15:16:02 19.2 

15:16:22 21.0 

15:16:42 20.2 

15:17:03 20.4 

15:17:23 20.0 

15:17:43 21.2 

15:18:03 20.4 

15:18:22 19.9 

15:18:42 20.5 

15:19:02 21.3 

15:19:23 22.0 

15:19:43 22.7 

15:20:03 23.8 

15:20:23 24.5 

15:20:42 23.6 

15:21:02 24.2 

15:21:22 24.4 

15:21:43 23.2 

15:22:03 25.4 

15:22:23 25.0 

15:22:43 24.1 

15:23:02 26.9 

15:23:22 25.6 

15:23:42 26.5 

15:24:03 25.0 

15:24:23 25.7 

15:24:43 24.9 

15:25:02 26.0 

15:25:22 27.2 

15:25:42 26.2 

15:26:03 25.6 

15:26:23 24.2 

15:26:43 25.7 

15:27:03 25.4 

15:27:22 25.6 

15:27:42 24.4 

15:28:02 25.2 

15:28:23 26.7 

15:28:43 25.5 

15:29:03 26.0 

15:29:23 26.4 

Page 6 of 14 
Northshore Mining 

Time 

Time 

NOx 

PPm 

Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

02 CO2 

% cyo 

15:29:42 26.0 19.4 0.4 Run 2 

15:30:02 26.1 19.4 0.4 Run 2 

15:30:22 25.6 19.4 0.4 Run 2 

15:30:43 24.8 19.4 0.4 Run 2 

15:31:03 23.7 19.4 0.4 Run 2 

15:31:23 23.0 19.4 0.4 Run 2 

15:31:43 21.8 19.4 0.4 Run 2 

15:32:02 23.5 19.4 0.4 Run 2 

15:32:22 24.0 19.4 0.4 Run 2 

15:32:42 23.5 19.4 0.4 Run 2 

15:33:03 22.3 19.4 0.4 Run 2 

15:33:23 23.1 19.4 0.4 Run 2 

15:33:43 22.1 19.4 0.4 Run 2 

15:34:02 23.5 19.4 0.4 Run 2 

15:34:22 23.2 19.3 0.4 Run 2 

15:34:42 22.7 19.3 0.4 Run 2 

15:35:03 23.2 19.3 0.4 Run 2 

15:35:23 23.5 19.3 0.4 Run 2 

15:35:43 23.1 19.3 0.4 Run 2 

15:36:03 21.0 19.3 0.4 Run 2 

15:36:22 21.6 19.4 0.4 Run 2 

15:36:42 22.8 19.3 0.4 Run 2 

15:37:02 23.6 19.3 0.4 Run 2 

15:37:23 22.7 19.3 0.4 Run 2 

15:37:43 22.2 19.3 0.4 Run 2 

15:38:03 24.9 19.3 0.4 Run 2 

15:38:23 24.3 19.3 0.4 Run 2 

15:38:42 23.0 19.3 0.4 Run 2 

15:39:02 24.1 19.3 0.4 Run 2 

15:39:22 24.9 19.3 0.4 Run 2 

15:39:43 24.1 19.3 0.4 Run 2 

15:40:03 24.5 19.3 0.4 Run 2 

15:40:23 26.4 19.3 0.4 Run 2 

15:40:43 24.7 19.3 0.4 Run 2 

15:41:02 24.9 19.4 0.4 Run 2 

15:41:22 23.8 19.4 0.4 Run 2 

15:41:42 23.6 19.4 0.4 Run 2 

15:42:03 22.7 19.4 0.4 Run 2 

15:42:23 23.2 19.4 0.4 Run 2 

15:42:43 23.1 19.4 0.4 Run 2 

15:43:02 22.0 19.4 0.4 Run 2 

15:43:22 22.0 19.4 0.4 Run 2 

15:43:42 21.6 19.4 0.4 Run 2 

15:44:03 21.4 19.4 0.4 Run 2 

15:44:23 21.5 19.4 0.4 Run 2 

15:44:43 21.9 19.4 0.4 Run 2 

15:45:03 22.6 19.4 0.4 Run 2 

15:45:22 22.8 19.4 0.4 Run 2 

15:45:42 22.4 19.4 0.4 Run 2 

15:46:02 22.8 19.4 0.4 Run 2 

15:46:23 22.9 19.4 0.4 Run 2 

15:46:43 21.4 19.4 0.4 Run 2 

15:47:03 23.0 19.4 0.4 Run 2 

Barr Engineering 

Page 7 of 14 
Northshore Mining 

Time 

Time 

NOx 

PPm 

Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

02 CO2 

% % 

15:47:23 22.7 19.4 0.4 Run 2 

15:47:42 20.8 19.4 0.4 Run 2 

15:48:02 22.1 19.4 0.4 Run 2 

15:48:22 22.0 19.4 0.4 Run 2 

15:48:43 21.6 19.4 0.4 Run 2 

15:49:03 22.3 19.4 0.4 Run 2 

15:49:23 21.4 19.4 0.4 Run 2 

15:49:43 21.3 19.4 0.4 Run 2 

15:50:02 22.2 19.4 0.4 Run 2 

15:50:22 21.0 19.4 0.4 Run 2 

15:50:42 21.2 19.4 0.4 Run 2 

15:51:03 20.9 19.4 0.4 Run 2 

15:51:23 21.6 19.4 0.4 Run 2 

15:51:43 20.6 19.4 0.4 Run 2 

15:52:02 23.4 19.4 0.4 Run 2 

15:52:22 23.4 19.4 0.4 Run 2 

15:52:42 22.9 19.4 0.4 Run 2 

15:53:03 22.5 19.4 0.4 Run 2 

15:53:23 21.4 19.4 0.4 Run 2 

15:53:43 21.1 19.4 0.4 Run 2 

15:54:03 21.2 19.4 0.4 Run 2 

15:54:22 21.6 19.4 0.4 Run 2 

15:54:42 22.4 19.4 0.4 Run 2 

15:55:02 22.9 19.4 0.4 Run 2 

15:55:23 22.1 19.4 0.4 Run 2 

15:55:43 21.8 19.4 0.4 Run 2 

15:56:03 22.4 19,4 0.4 Run 2 

15:56:23 21.5 19.4 0.4 Run 2 

15:56:42 22.4 19.4 0.4 Run 2 

15:57:02 21.6 19.4 0.4 Run 2 

15:57:22 22.2 19.4 0.4 Run 2 

15:57:43 23.3 19.4 0.4 Run 2 

15:58:03 22.4 19.4 0.4 Run 2 

15:58:23 23.1 19.4 0.4 Run 2 

15:58:43 24.3 19.4 0.4 Run 2 

15:59:02 24.3 19.4 0.4 Run 2 

15:59:22 23.7 19.4 0.4 Run 2 

15:59:42 24.4 19.4 0.4 Run 2 

16:00:03 23.4 19.4 0.4 Run 2 

16:00:23 22.1 19.4 0.4 Run 2 

16:00:43 23.1 19.4 0.4 Run 2 

16:01:02 23.7 19.4 0.4 Run 2 

16:01:22 24.4 19.4 0.4 Run 2 

16:01:42 24.5 19.4 0.4 Run 2 

16:02:03 22.8 19.4 0.4 Run 2 

16:02:23 21.0 19.4 0.4 Run 2 

16:02:43 22.7 19.4 0.4 Run 2 

16:03:03 24.1 19.4 0.4 Run 2 

16:03:22 22.5 19.4 0.4 Run 2 

16:03:42 22.4 19.4 0.4 Run 2 

16:04:02 21.5 19.4 0.4 Run 2 

16:04:23 21.7 19.4 0.4 Run 2 

16:04:43 22.5 19.4 0.4 Run 2 

Barr Engineering 

Page 8 of 14 
Northshore Mining 

Time 

Time 

NOx 

PPm 

Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

02 CO2 

% % 

16:05:03 22.9 19.4 0.4 Run 2 

16:05:23 23.3 19.4 0.4 Run 2 

16:05:42 22.4 19.4 0.4 Run 2 

16:06:02 21.9 19.4 0.4 Run 2 

16:06:22 24.0 19.4 0.4 Run 2 

16:06:43 23.5 19.4 0.4 Run 2 

16:07:03 21.4 19.4 0.4 Run 2 

16:07:23 22.5 19.4 0.4 Run 2 

16:07:43 22.5 19.4 0.4 Run 2 

16:08:02 21.2 19.4 0.4 Run 2 

16:08:22 22.0 19.4 0.4 Run 2 

16:08:42 22.8 19.4 0.4 Run 2 

16:09:03 22.5 19.4 0.4 Run 2 

16:09:23 23.1 19.4 0.4 Run 2 

16:09:43 23.2 19.4 0.4 Run 2 

16:10:02 23.6 19.3 0.4 Run 2 

16:10:22 23.6 19.3 0.4 Run 2 

16:10:42 23.6 19.4 0.4 Run 2 

16:11:03 23.9 19.4 0.4 Run 2 

16:11:23 23.3 19.4 0.4 Run 2 

16:11:43 23.5 19.4 0.4 Run 2 

16:12:03 24.5 19.4 0.4 Run 2 

16:12:22 24.1 19.4 0.4 Run 2 

16:12:42 24.1 19.4 0.4 Run 2 

16:13:02 24.4 19.4 0.4 Run 2 

16:13:23 24.5 19.4 0.4 Run 2 

16:13:43 21.6 19.4 0.4 Run 2 

16:14:03 20.7 19.4 0.4 Run 2 

16:14:23 23.0 19.4 0.4 Run 2 

16:14:42 23.0 19.4 0.4 Run 2 

16:15:02 22.9 19.4 0.4 Run 2 

16:15:22 21.8 19.4 0.4 Run 2 

16:15:43 22.4 19.4 0.4 Run 2 

16:16:03 23.0 19.4 0.4 Run 2 

16:16:23 23.5 19.4 0.4 Run 2 

16:16:43 22.8 19.4 0.4 Run 2 

16:17:02 20.1 19.4 0.4 Run 2 

16:17:22 21.2 19.5 0.4 Run 2 

16:17:42 21.4 19.5 0.4 Run 2 

16:18:03 22.2 19.4 0.4 Run 2 

16:18:23 23.6 19.4 0.4 Run 2 

16:18:43 22.9 19.4 0.4 Run 2 

16:19:02 24.0 19.4 0.4 RUN 2- 1520-1620 

16:19:22 21.1 19.4 0.4 NOx ppm 02 % C 2 % 

16:19:42 23.3 19.4 0.4 23.2 19.4 0.4 

16:20:02 23.4 19.4 0.4 

16:20:23 21.6 19.4 0.4 

16:20:43 5.8 19.0 0.4 

16:21:03 40.9 4.2 0.1 

16:21:22 44.2 0.3 0.0 

16:21:42 44.3 0.2 0.0 

16:22:02 44.4 0.2 0.0 

Barr Engineering 

Page 9 of 14 
Northshore Mining Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

Time NOx 02 CO2 

Time ppm % % 

16:22:23 38.1 0.1 0.0 

16:22:43 1.4 10.5 2.4 

16:23:03 1.1 17.4 2.9 

16:23:23 1.0 17.5 2.9 

16:23:42 0.9 17.6 3.0 

16:24:02 0.8 17.6 3.0 

16:24:22 0.8 17.6 3.0 

16:24:43 0.9 17.6 2.9 

16:25:03 0.8 5.8 0.4 

Time NOx 02 CO2 

Time ppm 

16:26:26 23.1 19.3 0.4 

16:26:46 21.0 19.4 0.4 

16:27:05 23.5 19.4 0.4 

16:27:25 21.5 19.4 0.4 

16:27:45 22.4 19.4 0.4 

16:28:06 23.3 19.4 0.4 

16:28:26 23.7 19.4 0.4 

16:28:46 23.1 19.4 0.4 

16:29:06 23.6 19.4 0.4 

16:29:25 23.5 19.4 0.4 

16:29:45 23.5 19.4 0.4 

16:30:05 24.5 19.4 0.4 

16:30:26 24.9 19.3 0.4 

16:30:46 23.6 19.3 0.4 

16:31:06 22.9 19.4 0.4 

16:31:26 25.1 19.4 0.4 

16:31:45 23.3 19.3 0.4 

16:32:05 23.6 19.4 0.4 

16:32:25 23.8 19.4 0.4 

16:32:46 23.7 19.4 0.4 

16:33:06 24.3 19.4 0.4 

16:33:26 24.5 19.4 0.4 

16:33:46 23.7 19.4 0.4 

16:34:05 23.0 19.4 0.4 

16:34:25 24.1 19.4 0.4 

16:34:45 23.2 19.4 0.4 

16:35:06 21.9 19.4 0.4 Run 3 

16:35:26 22.5 19.5 0.4 Run 3 

16:35:46 22.6 19.4 0.4 Run 3 

16:36:05 23.2 19.4 0.4 Run 3 

16:36:25 22.3 19.4 0.4 Run 3 

16:36:45 23.4 19.4 0.4 Run 3 

16:37:06 22.3 19.4 0.4 Run 3 

16:37:26 22.3 19.4 0.4 Run 3 

16:37:46 21.7 19.4 0.4 Run 3 

16:38:06 22.1 19.4 0.4 Run 3 

16:38:25 20.6 19.4 0.4 Run 3 

16:38:45 21.3 19.4 0.4 Run 3 

16:39:05 20.3 19.5 0.4 Run 3 

16:39:26 19.6 19.5 0.4 Run 3 

16:39:46 22.4 19.4 0.4 Run 3 

Barr Engineering 

Page 10 of 14 
Northshore Mining Barr Engineering 

Time 

Time 

NOx 

PPm 

Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

02 CO2 

% % 

16:40:06 21.5 19.4 0.4 Run 3 

16:40:26 19.7 19.4 0.4 Run 3 

16:40:45 20.9 19.5 0.4 Run 3 

16:41:05 21.5 19.4 0.4 Run 3 

16:41:25 22.2 19.4 0.4 Run 3 

16:41:46 20.5 19.4 0.4 Run 3 

16:42:06 21.8 19.4 0.4 Run 3 

16:42:26 22.1 19.4 0.4 Run 3 

16:42:46 21.5 19.4 0.4 Run 3 

16:43:05 23.2 19.4 0.4 Run 3 

16:43:25 22.9 19.4 0.4 Run 3 

16:43:45 23.8 19.4 0.4 Run 3 

16:44:06 24.3 19.4 0.4 Run 3 

16:44:26 23.2 19.4 0.4 Run 3 

16:44:46 24.1 19.4 0.4 Run 3 

16:45:05 23.8 19.4 0.4 Run 3 

16:45:25 23.4 19.4 0.4 Run 3 

16:45:45 23.5 19.4 0.4 Run 3 

16:46:06 22.2 19.4 0.4 Run 3 

16:46:26 23.0 19.4 0.4 Run 3 

16:46:46 23.1 19.4 0.4 Run 3 

16:47:06 23.2 19.4 0.4 Run 3 

16:47:25 23.9 19.4 0.4 Run 3 

16:47:45 23.7 19.4 0.4 Run 3 

16:48:05 25.2 19.4 0.4 Run 3 

16:48:26 24.1 19.4 0.4 Run 3 

16:48:46 24.0 19.4 0.4 Run 3 

16:49:06 21.5 19.4 0.4 Run 3 

16:49:26 23.5 19.5 0.4 Run 3 

16:49:45 23.4 19.4 0.4 Run 3 

16:50:05 20.9 19.4 0.4 Run 3 

16:50:25 20.3 19.5 0.4 Run 3 

16:50:46 22.1 19.5 0.4 Run 3 

16:51:06 20.3 19.5 0.4 Run 3 

16:51:26 20.3 19.5 0.4 Run 3 

16:51:46 21.8 19.5 0.4 Run 3 

16:52:05 20.6 19.5 0.4 Run 3 

16:52:25 20.2 19.5 0.4 Run 3 

16:52:45 20.4 19.5 0.4 Run 3 

16:53:06 20.7 19.5 0.4 Run 3 

16:53:26 21.6 19.5 0.4 Run 3 

16:53:46 22.0 19.4 0.4 Run 3 

16:54:05 22.0 19.4 0.4 Run 3 

16:54:25 22.6 19.4 0.4 Run 3 

16:54:45 20.3 19.4 0.4 Run 3 

16:55:06 22.0 19.4 0.4 Run 3 

16:55:26 22.6 19.4 0.4 Run 3 

16:55:46 23.0 19.4 0.4 Run 3 

16:56:06 23.7 19.4 0.4 Run 3 

16:56:25 23.9 19.4 0.4 Run 3 

16:56:45 24.2 19.4 0.4 Run 3 

16:57:05 24.6 19.3 0.4 Run 3 

16:57:26 26.6 19.3 0.4 Run 3 

Page 11 of 14 
Northshore Mining 

Time 

Time 

NOx 

PPm 

Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

02 CO2 

ok 0/0 

16:57:46 25.7 19.3 0.4 Run 3 

16:58:06 24.1 19.3 0.4 Run 3 

16:58:26 26.2 19.3 0.4 Run 3 

16:58:45 25.7 19.3 0.4 Run 3 

16:59:05 25.0 19.3 0.4 Run 3 

16:59:25 23.2 19.4 0.4 Run 3 

16:59:46 23.6 19.4 0.4 Run 3 

17:00:06 23.5 19.4 0.4 Run 3 

17:00:26 23.9 19.4 0.4 Run 3 

17:00:46 24.3 19.4 0.4 Run 3 

17:01:05 24.0 19.4 0.4 Run 3 

17:01:25 23.4 19.4 0.4 Run 3 

17:01:45 22.9 19.4 0.4 Run 3 

17:02:06 22.0 19.4 0.4 Run 3 

17:02:26 21.0 19.5 0.4 Run 3 

17:02:46 21.9 19.5 0.4 Run 3 

17:03:05 21.8 19.5 0.4 Run 3 

17:03:25 22.0 19.5 0.4 Run 3 

17:03:45 22.5 19.5 0.4 Run 3 

17:04:06 22.3 19.5 0.4 Run 3 

17:04:26 21.0 19.5 0.4 Run 3 

17:04:46 20.6 19.5 0.4 Run 3 

17:05:06 22.4 19.5 0.4 Run 3 

17:05:25 21.7 19.5 0.4 Run 3 

17:05:45 21.3 19.4 0.4 Run 3 

17:06:05 21.0 19.5 0.4 Run 3 

17:06:26 23.1 19.4 0.4 Run 3 

17:06:46 21.1 19.4 0.4 Run 3 

17:07:06 22.3 19.4 0.4 Run 3 

17:07:26 23.9 19.4 0.4 Run 3 

17:07:45 23.4 19.4 0.4 Run 3 

17:08:05 23.6 19.4 0.4 Run 3 

17:08:25 25.0 19.3 0.4 Run 3 

17:08:46 23.7 19.3 0.4 Run 3 

17:09:06 24.1 19.3 0.4 Run 3 

17:09:26 25.0 19.3 0.4 Run 3 

17:09:46 23.8 19.3 0.4 Run 3 

17:10:05 23.0 19.3 0.4 Run 3 

17:10:25 24.0 19.3 0.4 Run 3 

17:10:45 23.3 19.3 0.4 Run 3 

17:11:06 23.8 19.3 0.4 Run 3 

17:11:26 23.0 19.3 0.4 Run 3 

17:11:46 23.0 19.3 0.4 Run 3 

17:12:05 23.8 19.3 0.4 Run 3 

17:12:25 23.0 19.4 0.4 Run 3 

17:12:45 23.2 19.4 0.4 Run 3 

17:13:05 24.4 19.4 0.4 Run 3 

17:13:26 24.3 19.4 0.4 Run 3 

17:13:46 24.4 19.4 0.4 Run 3 

17:14:06 23.3 19.4 0.4 Run 3 

17:14:25 23.3 19.4 0.4 Run 3 

17:14:45 22.3 19.4 0.4 Run 3 

17:15:05 21.6 19.4 0.4 Run 3 

Barr Engineering 

Page 12 of 14 
Northshore Mining 

Time 

Time 

NOx 

PPm 

Furnace 12 Hood Exhaust 1203 

Reference Method Data Logger Output 

02 CO2 

% % 

17:15:26 23.0 19.4 0:4 Run 3 

17:15:46 22.1 19.4 0.4 Run 3 

17:16:06 21.0 19.5 0.4 Run 3 

17:16:26 20.4 19.5 0.4 Run 3 

17:16:45 21.1 19.5 0.4 Run 3 

17:17:05 21.4 19.5 0.4 Run 3 

17:17:25 20.0 19.5 0.4 Run 3 

17:17:46 20.2 19.5 0.4 Run 3 

17:18:06 21.0 19.5 0.4 Run 3 

17:18:26 19.5 19.4 0.4 Run 3 

17:18:46 21.0 19.5 0.4 Run 3 

17:19:05 21.0 19.4 0.4 Run 3 

17:19:25 19.7 19.4 0.4 Run 3 

17:19:45 22.2 19.4 0.4 Run 3 

17:20:06 22.3 19.4 0.4 Run 3 

17:20:26 21.1 19.4 0.4 Run 3 

17:20:46 22.9 19.4 0.4 Run 3 

17:21:05 22.5 19.4 0.4 Run 3 

17:21:25 22.4 19.4 0.4 Run 3 

17:21:45 22.0 19.4 0.4 Run 3 

17:22:05 23.0 19.4 0.4 Run 3 

17:22:26 23.3 19.3 0.4 Run 3 

17:22:46 23.6 19.3 0.4 Run 3 

17:23:06 23.2 19.3 0.4 Run 3 

17:23:25 24.5 19.3 0.4 Run 3 

17:23:45 23.9 19.3 0.4 Run 3 

17:24:05 23.2 19.3 0.4 Run 3 

17:24:26 23.2 19.3 0.4 Run 3 

17:24:46 23.7 19.3 0.4 Run 3 

17:25:06 24.5 19.3 0.4 Run 3 

17:25:26 22.7 19.3 0.4 Run 3 

17:25:45 23.6 19.3 0.4 Run 3 

17:26:05 24.5 19.3 0.4 Run 3 

17:26:25 23.9 19.3 0.4 Run 3 

17:26:46 24.6 19.3 0.4 Run 3 

17:27:06 24.8 19.3 0.4 Run 3 

17:27:26 24.8 19.4 0.4 Run 3 

17:27:46 24.2 19.4 0.4 Run 3 

17:28:05 23.7 19.4 0.4 Run 3 

17:28:25 23.3 19.4 0.4 Run 3 

17:28:45 23.6 19.4 0.4 Run 3 

17:29:06 24.5 19.4 0.4 Run 3 

17:29:26 24.1 19.4 0.4 Run 3 

17:29:46 22.1 19.4 0.4 Run 3 

17:30:05 21.3 19.5 0.4 Run 3 

17:30:25 22.0 19.4 0.4 Run 3 

17:30:45 23.2 19.4 0.4 Run 3 

17:31:05 21.1 19.4 0.4 Run 3 

17:31:26 21.7 19.4 0.4 Run 3 

17:31:46 20.4 19.5 0.4 Run 3 

17:32:06 21.7 19.4 0.4 Run 3 

17:32:25 22.2 19.4 0.4 Run 3 

17:32:45 23.4 19.4 0.4 Run 3 

Barr Engineering 

Page 13 of 14 
Northshore Mining 

Time 

Time 

17:33:05 

17:33:26 

17:33:46 

17:34:06 

17:34:26 

17:34:45 

NOx 

ppm 

24.1 

22.2 

23.7 

23.9 

23.9 

24.1 

Furnace 12 Hood Exhaust 

Reference Method Data 

02 CO2 

% % 

19.4 0.4 

19.4 0.4 

19.4 0.4 

19.4 0.4 

19.4 0.4 

19.4 0.4 

1203 

Logger Output 

Run 3 

Run 3 

Run 3 

RUN 3- 1635-1735 

NOx ppm 0 2 % CO2 % 

22.7 19.4 0.4 

17:35:05 23.3 19.4 0.4 

17:35:25 23.8 19.4 0.4 

17:35:46 22.2 19.4 0.4 

17:36:06 23.6 19.4 0.4 

17:36:26 24.0 19.4 0.4 

17:36:46 3.1 18.1 0.3 

17:37:05 1.1 2.7 0.1 

17:37:25 0.9 0.3 0.0 

17:37:45 0.9 0.2 0.0 

17:38:06 0.6 0.2 0.0 

17:38:26 0.8 0.1 0.0 

17:38:46 0.8 0.1 0.0 

17:39:05 21.8 0.1 0.0 

17:39:25 43.5 0.2 0.0 

17:39:45 44.1 0.1 0.0 

17:40:05 44.2 0.1 0.0 

17:40:26 44.2 0.1 0.0 

17:40:46 29.1 0.1 0.1 

17:41:06 2.0 12.0 2.7 

17:41:25 1.4 17.5 2.9 

17:41:45 1.4 17.6 3.0 

17:42:05 1.2 17.6 3.0 

17:42:26 1.3 17.6 3.0 

17:42:46 1.3 17.6 3.0 

17:43:06 1.3 17.5 2.8 

17:43:26 1.3 4.3 0.3 

17:43:45 1.3 0.3 0.1 

17:44:05 1.3 11.8 0.1 

17:44:25 1.3 20.3 0.1 

17:44:46 1.2 20.4 0.1 

17:45:06 1.2 20.5 0.1 

17:45:26 1.2 20.5 0.1 

17:45:46 1.2 20.5 0.1 

17:46:05 1.2 20.5 0.1 

17:46:25 1.2 20.5 0.1 

17:46:45 1.1 20.5 0.1 

17:47:06 1.3 20.5 0.1 

17:47:26 1.2 20.5 0.1 

17:47:46 1.2 20.5 0.1 

17:48:05 1.3 20.5 0.1 

17:48:25 0.5 20.5 0.1 

Barr Engineering 

Page 14 of 14 
Northshore Mining Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

North Shore Mining 

Silver Bay, Minnesota 

The time is 11:08:55.48. 

The date is 12-21-2000. 

Time NOx 02 CO2 

Time ppm % % 

11:09:15 4.7 0.0 0.1 

11:09:36 4.7 -0.4 0.2 

11:09:56 4.6 0.6 0.3 

11:10:16 4.6 1.2 0.3 

11:10:36 12.1 1.2 0.3 

11:10:55 10.5 1.3 0.3 

11:11:15 10.6 1.3 0.3 

11:11:36 10.6 1.3 0.3 

11:11:56 10.5 1.2 0.3 

11:12:16 10.6 1.0 0.3 

11:12:36 -0.1 0.1 0.1 

11:12:56 0.2 0.1 0.0 

11:13:15 0.1 0.0 0.0 

11:13:35 0.1 0.1 0.0 

11:13:56 0.1 0.1 0.0 

11:14:16 0.1 0.0 0.0 

11:14:36 0.2 0.0 0.0 

11:14:56 0.3 0.0 0.1 

11:15:16 0.2 0.0 0.0 

11:15:35 0.2 0.0 0.0 

11:15:55 0.1 0.0 0.0 

11:16:16 0.1 0.0 0.0 

11:16:36 0.2 0.0 0.0 

11:16:56 0.2 0.0 0.0 

11:17:16 0.2 0.0 0.0 

11:17:36 0.2 0.0 0.0 

11:17:55 0.2 0.0 0.0 

11:18:15 0.3 9.2 2.6 

11:18:36 0.2 17.5 3.2 

11:18:56 0.3 17.9 3.0 

11:19:16 0.3 18.0 3.0 

11:19:36 0.3 18.1 3.0 

11:19:55 0.2 15.0 7.0 

11:20:15 0.3 10.3 9.8 

11:20:36 0.2 10.2 10.0 

11:20:56 51.3 10.1 9.0 

11:21:16 102.1 2.6 0.1 

11:21:36 96.2 0.2 0.1 

11:21:56 96.1 0.1 0.1 

11:22:15 96.5 0.1 0.0 

11:22:35 96.0 0.1 0.0 

11:22:56 43.4 0.0 0.0 

11:23:16 44.3 0.0 0.0 

11:23:36 44.5 0.0 0.0 

11:23:56 0.5 0.0 0.0 

11:24:16 1.3 3.4 0.1 

11:24:35 0.9 20.2 0.1 

11:24:55 0.8 21.0 0.1 

11:25:16 0.6 21.1 0.1 

Page 1 of 16 
Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Northshore Mining 

Time PPm 

11:09:15 4.7 

11:25:36 0.6 

11:25:56 0.5 

11:26:16 0.5 

11:26:36 0.4 

11:26:55 0.4 

11:27:15 0.3 

11:27:36 0.4 

11:27:56 0.2 

11:28:16 0.4 

11:28:36 36.7 

11:28:55 42.7 

11:29:15 43.1 

11:29:36 43.6 

11:29:56 43.7 

11:30:16 43.6 

11:30:36 43.6 

11:30:56 43.6 

11:31:15 6.9 

11:31:35 1.1 

11:31:56 0.7 

11:32:16 0.6 

11:32:36 0.5 

11:32:56 0.5 

11:33:16 0.6 

11:33:35 0.5 

11:33:55 0.7 

11:34:16 0.4 

11:34:36 0.4 

11:34:56 0.5 

11:35:16 0.4 

11:35:36 26.8 

11:35:55 28.7 

11:36:15 28.6 

11:36:36 28.8 

11:36:56 28.5 

11:37:16 28.7 

11:37:36 28.8 

11:37:55 28.6 

11:38:15 29.2 

11:38:36 28.6 

11:38:56 28.6 

11:39:16 28.2 

11:39:36 29.1 

11:39:56 28.9 

11:40:15 28.5 

11:40:35 28.5 

11:40:56 28.6 

11:41:16 28.1 

11:41:36 28.3 

11:41:56 28.1 

11:42:16 28.5 

11:42:35 28.3 

11:42:55 28.4 

ok ok 

0.0 0.1 

20.8 0.1 

7.6 0.1 

1.0 0.0 

0.3 0.0 

0.2 0.0 

0.2 0.0 

0.2 0.0 

0.1 0.0 

0.1 0.0 

0.1 0.0 

0.1 0.0 

0.1 0.0 

0.1 0.0 

0.1 0.0 

0.1 0.0 

0.1 0.0 

0.1 0.0 

2.4 1.0 

15.7 2.8 

17.8 3.0 

18.0 3.0 

18.0 3.0 

18.0 3.0 

18.0 3.0 

17.9 2.9 

7.0 0.7 

0.7 0.1 

0.2 0.1 

0.2 0.1 

0.2 0.1 

5.4 0.6 

17.2 1.0 

18.6 1.0 

18.7 1.0 

18.7 1.0 

18.7 1.0 

18.7 1.0 

18.7 1.0 

18.7 1.1 

18.7 1.0 

18.7 1.0 

18.7 1.0 

18.7 1.1 

18.7 1.1 

18.7 1.1 

18.7 1.1 

18.7 1.1 

18.7 1.1 

18.7 1.1 

18.7 1.0 

18.7 1.1 

18.7 1.0 

18.7 1.1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Run 1 

Page 2 of 16 
Northshore Mining Barr Engineering 

Time 

Furnace 6 Hood Exh/Waste Gas Stack 602 

Reference Method Data Logger Output 

PPm % % 

11:09:15 4.7 0.0 0.1 

11:43:16 27.9 18.7 1.1 Run 1 

11:43:36 27.7 18.6 1.1 Run 1 

11:43:56 27.7 18.6 1.1 Run 1 

11:44:16 27.7 18.6 1.1 Run 1 

11:44:36 27.9 18.6 1.0 Run 1 

11:44:55 27.5 18.6 1.0 Run 1 

11:45:15 27.3 18.6 1.0 Run 1 

11:45:36 27.6 18.6 1.0 Run 1 

11:45:56 27.6 18.6 1.0 Run 1 

11:46:16 27.5 18.6 1.0 Run 1 

11:46:36 28.2 18.6 1.0 Run 1 

11:46:55 28.0 18.6 1.0 Run 1 

11:47:15 28.0 18.6 1.0 Run 1 

11:47:36 28.3 18.6 1.0 Run 1 

11:47:56 28.4 18.6 1.0 Run 1 

11:48:16 28.8 18.6 1.0 Run 1 

11:48:36 29.1 18.6 1.1 Run 1 

11:48:56 29.4 18.6 1.1 Run 1 

11:49:15 29.1 18.6 1.0 Run 1 

11:49:35 29.7 18.6 1.1 Run 1 

11:49:56 30.2 18.5 1.1 Run 1 

11 :50:16 30.2 18.5 1.1 Run 1 

11:50:36 30.0 18.5 1.1 Run 1 

11:50:56 30.0 18.5 1.1 Run 1 

11:51:16 30.4 18.5 1.1 Run 1 

1 1 :51 :35 30.2 18.5 1.1 Run 1 

1 1 :51 :55 30.3 18.5 1.1 Run 1 

11:52:16 30.0 18.5 1.1 Run 1 

11:52:36 30.4 18.5 1.1 Run 1 

11:52:56 29.9 18.5 1.1 Run 1 

11:53:16 30.3 18.5 1.1 Run 1 

11:53:36 30.4 18.6 1.1 Run 1 

11:53:55 30.2 18.6 1.1 Run 1 

11:54:15 30.0 18.6 1.1 Run 1 

11:54:36 30.0 18.6 1.1 Run 1 

11:54:56 29.4 18.6 1.1 Run 1 

11:55:16 30.0 18.6 1.1 Run 1 

11:55:36 29.7 18.6 1.1 Run 1 

11:55:55 29.4 18.6 1.1 Run 1 

11:56:15 29.4 18.6 1.1 Run 1 

11:56:36 29.1 18.6 1.0 Run 1 

11:56:56 29.5 18.6 1.0 Run 1 

11:57:16 29.1 18.6 1.0 Run 1 

11:57:36 29.8 18.7 1.0 Run 1 

11:57:56 29.6 18.6 1.0 Run 1 

11:58:15 29.6 18.6 1.0 Run 1 

1 1 :58:35 29.9 18.6 1.0 Run 1 

11:58:56 29.6 18.6 1.0 Run 1 

11:59:16 29.8 18.6 1.0 Run 1 

11:59:36 30.1 18.6 1.0 Run 1 

11:59:56 29.7 18.6 1.0 Run 1 

12:00:16 29.8 18.6 1.0 Run 1 

12:00:35 29.7 18.6 1.0 Run 1 

Page 3 of 16 
Furnace 6 Hood Exh/Waste Gas Stack 602 

Reference Method Data Logger Output 

Northshore Mining Barr Engineering 

Time PPm % % 

11:09:15 4.7 0.0 0.1 

12:00:55 29.3 18.6 1.0 Run 1 

12:01:16 29.9 18.6 1.0 Run 1 

12:01:36 29.9 18.6 1.0 Run 1 

12:01:56 30.1 18.6 1.0 Run 1 

12:02:16 29.8 18.6 1.0 Run 1 

12:02:36 30.1 18.6 1.0 Run 1 

12:02:55 30.2 18.6 1.0 Run 1 

12:03:15 30.2 18.6 1.0 Run 1 

12:03:36 30.4 18.6 1.0 Run 1 

12:03:56 30.4 18.6 1.0 Run 1 

12:04:16 30.1 18.6 1.0 Run 1 

12:04:36 30.6 18.6 1.0 Run 1 

12:04:55 30.6 18.6 1.0 Run 1 

12:05:15 30.5 18.6 1.0 Run 1 

12:05:36 30.5 18.6 1.0 Run 1 

12:05:56 30.1 18.6 1.0 Run 1 

12:06:16 30.0 18.6 1.0 Run 1 

12:06:36 29.8 18.6 1.0 Run 1 

12:06:56 29.7 18.6 1.0 Run 1 

12:07:15 29.5 18.6 1.0 Run 1 

12:07:35 29.6 18.6 1.0 Run 1 

12:07:56 29.7 18.6 1.0 Flun 1 

12:08:16 30.1 18.6 1.0 Run 1 

12:08:36 30.2 18.6 1.0 Run 1 

12:08:56 30.3 18.6 1.0 Run 1 

12:09:16 30.3 18.6 1.0 Run 1 

12:09:35 30.4 18.6 1.0 Run 1 

12:09:55 30.4 18.6 1.0 Run 1 

12:10:16 30.1 18.6 1.0 

12:10:36 19.6 18.7 0.9 

12:10:56 14.1 18.9 0.8 

12:11:16 5.2 19.2 0.5 

12:11:36 3.4 19.7 0.3 

12:11:55 3.0 19.9 0.2 

12:12:15 3.0 20.0 0.2 

12:12:36 3.0 20.0 0.2 

12:12:56 2.8 20.0 0.2 

12:13:16 2.9 20.1 0.2 

12:13:36 2.7 20.1 0.2 

12:13:55 2.6 20.1 0.2 

12:14:15 2.5 20.1 0.2 

12:14:35 2.5 20.2 0.2 

12:14:56 2.4 20.2 0.2 

12:15:16 2.4 20.2 0.2 

12:15:36 2.2 20.3 0.2 

12:15:56 2.2 20.3 0.2 

12:16:15 2.2 20.3 0.2 

12:16:35 2.2 20.4 0.2 

12:16:56 2.0 20.4 0.2 

12:17:16 2.0 20.4 0.2 

12:17:36 1.9 20.4 0.1 

12:17:56 1.9 20.4 0.1 

12:18:16 1.8 20.5 0.1 

Page 4 of 16 
Northshore Mining Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Time ppm 

11:09:15 4.7 0.0 

12:18:35 1.8 20.5 

12:18:55 5.7 20.5 

12:19:16 12.4 20.1 

12:19:36 13.4 19.8 

12:19:56 20.5 19.7 

12:20:16 30.4 19.4 0.9 Run 1 

12:20:36 33.0 19.2 0.9 Run 1 

12:20:55 33.5 19.1 1.0 Run 1 

12:21:15 37.9 19.1 1.0 Run 1 

12:21:36 42.3 19.0 1.0 Run 1 

12:21:56 44.2 18.9 1.1 Run 1 

12:22:16 43.7 18.9 1.1 Run 1 

12:22:36 45.1 18.9 1.1 Run 1 

12:22:55 45.3 18.9 1.1 Run 1 

12:23:15 47.4 18.8 1.1 Run 1 

12:23:35 47.6 18.8 1.1 Run 1 

12:23:56 47.8 18.8 1.1 Run 1 

12:24:16 47.4 18.8 1.1 Run 1 

12:24:36 48.1 18.8 1.1 Run 1 

12:24:56 47.8 18.8 1.1 Run 1 

12:25:15 47.3 18.8 1.1 Run 1 

12:25:35 46.7 18.8 1.1 Run 1 

12:25:56 45.0 18.8 1.1 Run 1 

12:26:16 45.1 18.8 1.1 Run 1 

12:26:36 43.6 18.8 1.1 Run 1 

12:26:56 39.9 18.8 1.0 Run 1 

12:27:16 36.6 18.8 1.0 Run 1 

12:27:35 35.6 18.8 1.0 Run 1 

12:27:55 33.4 18.8 1.0 Run 1 

12:28:16 32.4 18.8 1.0 Run 1 

12:28:36 31.0 18.8 1.0 Run 1 

12:28:56 29.5 18.8 1.0 Run 1 

12:29:16 28.8 18.8 1.0 Run 1 

12:29:36 27.9 18.8 1.0 Run 1 

12:29:55 27.2 18.8 1.0 Run 1 

12:30:15 25.6 18.8 0.9 Run 1 

12:30:36 24.8 18.8 0.9 Run 1 

12:30:56 23.9 18.8 0.9 Run 1 

12:31:16 23.0 18.8 0.9 Run 1 

12:31:36 23.3 18.8 0.9 Run 1 

12:31:55 23.3 18.8 0.9 Run 1 

12:32:15 23.4 18.8 0.9 Run 1 

12:32:35 23.1 18.8 0.9 Run 1 

12:32:56 23.1 18.8 0.9 Run 1 

12:33:16 23.1 18.8 0.9 Run 1 

12:33:36 23.2 18.8 0.9 Run 1 

12:33:56 22.7 18.8 0.9 Run 1 

12:34:15 22.5 18.8 0.9 Run 1 

12:34:35 22.8 18.8 0.9 Run 1 

12:34:56 23.2 18.8 0.9 Run 1 

0.1 

0.1 

0.2 

0.5 

0.6 

0.7 

18.7 

13.3 

2.3 

1.0 

0.6 

0.1 

Page 5 of 16 

12:35:16 23.1 

12:35:36 4.0 

12:35:56 33.9 
Furnace 6 Hood ExhNVaste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Northshore Mining 

Time ppm % % 

11:09:15 4.7 0.0 0.1 

12:36:16 38.9 0.5 0.1 

12:36:35 41.5 0.3 0.1 

12:36:55 43.6 0.2 0.1 

12:37:16 43.4 0.2 0.1 

12:37:36 43.5 0.2 0.0 

12:37:56 31.6 6.5 0.6 

12:38:16 30.6 17.1 1.0 

12:38:36 30.6 18.4 1.0 

12:38:55 30.6 18.6 1.0 

12:39:15 29.6 18.6 1.0 Run 1 

12:39:36 29.0 18.6 1.0 Run 1 

12:39:56 29.0 18.6 1.0 Run 1 

12:40:16 29.2 18.6 1.0 Run 1 

12:40:36 29.2 18.6 1.0 Run 1 

12:40:55 29.0 18.6 1.0 Run 1 

12:41:15 29.5 18.6 1.0 Run 1 

12:41:35 30.4 18.5 1.0 Run 1 

12:41:56 30.6 18.5 1.0 Run 1 

12:42:16 29.9 18.5 1.0 Run 1 

12:42:36 30.1 18.6 1.0 Run 1 

12:42:56 30.6 18.5 1.0 Run 1 

12:43:15 31.0 18.5 1.0 Run 1 

12:43:35 31.0 18.5 1.0 Run 1 

12:43:56 30.9 18.5 1.0 Run 1 

12:44:16 31.4 18.5 1.0 Run 1 

12:44:36 31.4 18.5 1.0 Run 1 

12:44:56 31.1 18.6 1.0 Run 1 

12:45:16 31.2 18.6 1.0 Run 1 

12:45:35 31.6 18.6 1.0 Run 1 

12:45:55 31.5 18.6 1.0 Run 1 

12:46:16 32.3 18.6 1.0 Run 1 

12:46:36 31.9 18.6 1.1 Run 1 

12:46:56 32.3 18.6 1.0 Run 1 

12:47:16 32.1 18.6 1.1 Run 1 

12:47:36 32.3 18.6 1.0 Run 1 

12:47:55 32.3 18.6 1.0 Run 1 

12:48:15 32.1 18.6 1.0 Run 1 

12:48:36 31.7 18.6 1.0 Run 1 

12:48:56 31.7 18.6 1.0 Run 1 

12:49:16 31.8 18.6 1.0 Run 1 

12:49:36 31.5 18.6 1.0 Run 1 

12:49:55 31.3 18.6 1.0 Run 1 

12:50:15 31.9 18.6 1.0 Run 1 

12:50:35 31.9 18.6 1.1 Run 1 

12:50:56 31.7 18.6 1.1 Run 1 

12:51:16 31.3 18.6 1.0 Run 1 

12:51:36 31.8 18.6 1.0 Run 1 

12:51:56 31.5 18.6 1.1 Run 1 

12:52:15 31.7 18.6 1.1 Run 1 

12:52:35 31.4 18.6 1.1 Run 1 

12:52:56 31.8 18.6 1.1 Run 1 

12:53:16 32.3 18.6 1.1 Run 1 

12:53:36 31.8 18.5 1.1 Run 1 

Page 6 of 16 
Northshore Mining Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Time ppm 

11:09:15 4.7 0.0 0.1 

12:53:56 31.7 18.5 1.1 Run 1 

12:54:16 31.0 18.5 1.1 Run 1 

12:54:35 31.5 18.5 1.1 Run 1 

12:54:55 31.2 18.5 1.1 Run 1 

12:55:16 31.5 18.6 1.1 Run 1 

12:55:36 31.5 18.5 1.1 Run 1 

12:55:56 31.5 18.6 1.0 Run 1 

12:56:16 31.4 18.6 1.0 Run 1 

12:56:36 31.6 18.6 1.0 Run 1 

12:56:55 32.4 18.6 1.1 Run 1 

12:57:15 31.8 18.6 1.0 Run 1 

12:57:36 32.4 18.6 1.0 Run 1 

12:57:56 32.4 18.6 1.0 Run 1 

12:58:16 32.8 18.6 1.0 Run 1 

12:58:36 32.9 18.6 1.0 Run 1 

12:58:55 32.7 18.6 1.0 Run 1 

12:59:15 32.5 18.6 1.0 RUN 1 - 1140-1300 

12:59:35 33.0 18.6 1.0 NOx ppm 02 % CO2 % 

12:59:56 39.3 17.7 0.9 31.2 18.6 1.0 

13:00:16 27.6 4.0 0.2 

13:00:36 2.6 0.5 0.1 

13:00:56 2.0 0.2 0.1 

13:01:15 1.5 0.2 0.1 

13:01:35 1.4 0.2 0.1 

13:01:56 1.4 0.2 0.1 

13:02:16 1.5 0.2 0.1 

13:02:36 1.4 0.2 0.1 

13:02:56 1.4 0.2 0.1 

13:03:16 41.5 0.2 0.1 

13:03:35 42.9 0.2 0.1 

13:03:55 43.6 0.2 0.1 

13:04:16 43.7 0.2 0.1 

13:04:36 43.6 0.2 0.1 

13:04:56 43.6 0.2 0.1 

13:05:16 43.7 0.2 0.1 

13:05:36 5.7 3.3 1.1 

13:05:55 1.7 16.6 2.8 

13:06:15 1.7 17.8 2.9 

13:06:36 1.5 17.9 2.9 

13:06:56 1.6 17.9 2.9 

13:07:16 1.5 18.0 2.9 

13:07:36 1.3 17.9 2.9 

13:07:55 1.4 17.9 2.9 

13:08:15 1.6 17.9 2.9 

13:08:35 1.7 17.3 2.6 

13:08:56 1.7 4.2 0.4 

13:09:16 1.7 0.4 0.1 

13:09:36 29.6 6.4 0.6 

13:09:56 30.5 17.9 1.0 

13:10:15 30.5 18.5 1.0 Run 2 

13:10:35 31.0 18.6 1.0 Run 2 

13:10:56 31.1 18.6 1.0 Run 2 

Page 7 of 16 
Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Northshore Mining 

Time PPm % % 

11:09:15 4.7 0.0 0.1 

13:11:16 31.4 18.6 1.0 Run 2 

13:11:36 31.5 18.6 1.0 Run 2 

13:11:56 31.8 18.6 1.0 Run 2 

13:12:16 31.8 18.6 1.0 Run 2 

13:12:35 31.4 18.6 1.0 Run 2 

13:12:55 31.5 18.6 1.0 Run 2 

13:13:16 31.2 18.6 1.0 Run 2 

13:13:36 30.9 18.6 1.0 Run 2 

13:13:56 31.4 18.6 1.0 Run 2 

13:14:16 30.9 18.6 1.0 Run 2 

13:14:36 31.2 18.6 1.0 Run 2 

13:14:55 30.9 18.6 1.0 Run 2 

13:15:15 31.3 18.6 1.0 Run 2 

13:15:36 31.8 18.6 1.0 Run 2 

13:15:56 31.2 18.6 1.0 Run 2 

13:16:16 31.5 18.6 1.0 Run 2 

13:16:36 31.1 18.6 1.0 Run 2 

13:16:55 31.2 18.6 1.0 Run 2 

13:17:15 31.1 18.6 1.0 Run 2 

13:17:35 31.3 18.6 1.0 Run 2 

13:17:56 30.8 18.6 1.0 Run 2 

13:18:16 30.6 18.6 1.0 Run 2 

13:18:36 31.3 18.6 1.0 Run 2 

13:18:56 31.1 18.6 1.0 Run 2 

13:19:15 31.5 18.6 1.0 Run 2 

13:19:35 31.2 18.6 1.0 Run 2 

13:19:55 31.0 18.6 1.0 Run 2 

13:20:16 30.9 18.6 1.0 Run 2 

13:20:36 30.9 18.6 1.0 Run 2 

13:20:56 30.9 18.6 1.0 Run 2 

13:21:16 30.4 18.6 1.0 Run 2 

13:21:35 31.0 18.6 1.0 Run 2 

13:21:55 30.8 18.6 1.0 Run 2 

13:22:16 31.0 18.6 1.0 Run 2 

13:22:36 31.1 18.6 1.0 Run 2 

13:22:56 30.8 18.6 1.0 Run 2 

13:23:16 31.2 18.6 1.0 Run 2 

13:23:36 31.0 18.6 1.1 Run 2 

13:23:55 30.9 18.6 1.0 Run 2 

13:24:15 30.5 18.6 1.0 Run 2 

13:24:36 30.4 18.6 1.0 Run 2 

13:24:56 30.7 18.6 1.0 Run 2 

13:25:16 30.7 18.6 1.0 Run 2 

13:25:36 30.6 18.6 1.0 Run 2 

13:25:55 31.1 18.6 1.0 Run 2 

13:26:15 31.0 18.6 1.0 Run 2 

13:26:35 31.5 18.6 1.0 Run 2 

13:26:56 31.6 18.6 1.0 Run 2 

13:27:16 31.9 18.6 1.1 Run 2 

13:27:36 31.7 18.6 1.1 Run 2 

13:27:56 31.8 18.6 1.0 Run 2 

13:28:15 31.8 18.6 1.1 Run 2 

13:28:35 31.6 18.6 1.1 Run 2 

Page 8 of 16 
Northsh ore Mining Furnace 6 Hood ExhANaste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Time PPm % % 

11:09:15 4.7 0.0 0.1 

13:28:55 31.0 18.6 1.0 Run 2 

13:29:16 31.6 18.6 1.0 Run 2 

13:29:36 31.8 18.6 1.0 Run 2 

13:29:56 31.9 18.6 1.0 Run 2 

13:30:16 32.8 18.6 1.1 Run 2 

13:30:35 32.6 18.6 1.1 Run 2 

13:30:55 33.3 18.6 1.0 Run 2 

13:31:16 33.1 18.6 1.1 Run 2 

13:31:36 33.3 18.6 1.0 Run 2 

13:31:56 33.2 18.6 1.0 Run 2 

13:32:16 33.0 18.6 1.0 Run 2 

13:32:36 34.1 18.6 1.0 Run 2 

13:32:55 35.3 18.6 1.1 Run 2 

13:33:15 35.4 18.6 1.0 Run 2 

13:33:36 35.9 18.6 1.0 Run 2 

13:33:56 35.4 18.6 1.0 Run 2 

13:34:16 35.6 18.6 1.0 Run 2 

13:34:36 35.2 18.6 1.0 Run 2 

13:34:55 35.3 18.6 1.0 Run 2 

13:35:15 35.4 18.6 1.0 Run 2 

13:35:35 35.0 18.6 1.0 Run 2 

13:35:56 34.1 18.6 1.0 Run 2 

13:36:16 33.5 18.6 1.0 Run 2 

13:36:36 34.4 18.7 1.0 Run 2 

13:36:56 33.5 18.6 1.0 Run 2 

13:37:15 32.8 18.7 1.0 Run 2 

13:37:35 32.5 18.7 1.0 Run 2 

13:37:55 32.7 18.7 1.0 Run 2 

13:38:16 32.5 18.7 1.0 Run 2 

13:38:36 31.9 18.7 1.0 Run 2 

13:38:56 31.3 18.7 1.0 Run 2 

13:39:16 31.3 18.7 1.0 Run 2 

13:39:35 31.1 18.7 1.0 Run 2 

13:39:55 31.0 18.7 1.0 Run 2 

13:40:16 30.7 18.6 1.0 Run 2 

13:40:36 30.8 18.6 1.0 Run 2 

13:40:56 30.2 18.6 1.0 Run 2 

13:41:16 29.9 18.6 1.0 Run 2 

13:41:36 29.6 18.6 1.0 Run 2 

13:41:55 29.4 18.6 1.0 Run 2 

13:42:15 29.9 18.7 1.0 Run 2 

13:42:36 29.8 18.6 1.0 Run 2 

13:42:56 30.2 18.6 1.0 Run 2 

13:43:16 29.7 18.6 1.0 Run 2 

13:43:36 30.1 18.6 1.0 Run 2 

13:43:55 30.0 18.6 1.0 Run 2 

13:44:15 30.5 18.6 1.0 Run 2 

13:44:35 30.0 18.6 1.0 Run 2 

13:44:56 30.4 18.6 1.0 Run 2 

13:45:16 30.6 18.6 1.0 Run 2 

13:45:36 30.4 18.6 1.0 Run 2 

13:45:56 30.4 18.6 1.0 Run 2 

13:46:15 30.1 18.6 1.0 Run 2 

Page 9 of 16 
Furnace 6 Hood ExhNVaste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Northshore Mining 

Time PPm % % 

11:09:15 4.7 0.0 0.1 

13:46:35 30.6 18.7 1.0 Run 2 

13:46:55 30.4 18.6 1.0 Run 2 

13:47:16 30.4 18.7 1.0 Run 2 

13:47:36 31.0 18.6 1.0 Run 2 

13:47:56 31.2 18.6 1.0 Run 2 

13:48:16 30.5 18.6 1.0 Run 2 

13:48:35 30.9 18.7 1.0 Run 2 

13:48:55 31.3 18.7 1.0 Run 2 

13:49:16 31.1 18.7 1.0 Run 2 

13:49:36 30.5 18.7 1.0 Run 2 

13:49:56 31.1 18.7 1.0 Run 2 

13:50:16 30.8 18.7 1.0 Run 2 

13:50:36 31.4 18.7 1.0 Run 2 

13:50:55 32.0 18.6 1.0 Run 2 

13:51:15 32.1 18.6 1.0 Run 2 

13:51:36 31.8 18.6 1.0 Run 2 

13:51:56 31.5 18.6 1.0 Run 2 

13:52:16 32.1 18.6 1.0 Run 2 

13:52:36 31.3 18.6 1.0 Run 2 

13:52:55 31.7 18.6 1.0 Run 2 

13:53:15 31.4 18.6 1.0 Run 2 

13:53:35 31.3 18.6 1.0 Run 2 

13:53:56 31.5 18.6 1.0 Run 2 

13:54:16 31.3 18.6 1.0 Run 2 

13:54:36 31.6 18.6 1.0 Run 2 

13:54:56 31.2 18.6 1.0 Run 2 

13:55:15 31.4 18.6 1.0 Run 2 

13:55:35 31.2 18.6 1.0 Run 2 

13:55:55 31.6 18.6 1.0 Run 2 

13:56:16 31.9 18.6 1.0 Run 2 

13:56:36 31.5 18.6 1.0 Run 2 

13:56:56 31.4 18.6 1.0 Run 2 

13:57:16 31.7 18.6 1.0 Run 2 

13:57:35 32.0 18.6 1.0 Run 2 

13:57:55 31.3 18.6 1.0 Run 2 

13:58:16 31.9 18.6 1.0 Run 2 

13:58:36 32.3 18.6 1.0 Run 2 

13:58:56 32.1 18.6 1.0 Run 2 

13:59:16 32.4 18.6 1.0 Run 2 

13:59:36 32.2 18.6 1.0 Run 2 

13:59:55 32.2 18.6 1.0 Run 2 

14:00:15 32.6 18.6 1.1 Run 2 

14:00:36 31.7 18.6 1.1 Run 2 

14:00:56 32.2 18.6 1.0 Run 2 

14:01:16 31.7 18.6 1.0 Run 2 

14:01:36 32.1 18.6 1.0 Run 2 

14:01:55 32.7 18.6 1.0 Run 2 

14:02:15 32.3 18.6 1.1 Run 2 

14:02:35 33.1 18.6 1.1 Run 2 

14:02:56 32.3 18.6 1.1 Run 2 

14:03:16 32.0 18.6 1.0 Run 2 

14:03:36 32.6 18.6 1.0 Run 2 

14:03:56 32.7 18.6 1.0 Run 2 

Page 10 of 16 
Northshore Mining 

Time 

11:09:15 

Furnace 6 Hood Exh/Waste Gas Stack 602 

Reference Method Data Logger Output 

ppm % 

4.7 0.0 0.1 

14:04:15 32.3 18.6 1.0 Run 2 

14:04:35 31.9 18.6 1.0 Run 2 

14:04:55 32.4 18.6 1.0 Run 2 

14:05:16 32.5 18.6 1.0 Run 2 

14:05:36 32.6 18.6 1.0 Run 2 

14:05:56 32.3 18.6 1.0 Run 2 

14:06:16 32.4 18.6 1.0 Run 2 

14:06:35 33.3 18.6 1.0 Run 2 

14:06:55 31.8 18.6 1.0 Run 2 

14:07:16 31.5 18.6 1.0 Run 2 

14:07:36 31.4 18.6 1.0 Run 2 

14:07:56 31.2 18.7 1.0 Run 2 

14:08:16 31.1 18.7 1.0 Run 2 

14:08:36 31.2 18.7 1.0 Run 2 

14:08:55 31.4 18.6 1.0 Run 2 

14:09:15 31.0 18.6 1.0 RUN 2- 1310-1410 

14:09:36 30.8 18.7 1.0 NOx ppm 0 2 0/0 C 2 % 

14:09:56 31.4 18.6 1.0 31.7 18.6 1.0 

14:10:16 30.7 18.6 1.0 

14:10:36 31.5 18.7 1.0 

14:10:55 31.2 18.6 1.0 

14:11:15 31.1 18.7 1.0 

14:11:35 2.9 11.6 0.5 

14:11:56 1.6 1.3 0.1 

14:12:16 1.5 0.3 0.1 

14:12:36 1.5 0.2 0.1 

14:12:56 1.5 0.2 0.1 

14:13:15 1.5 0.2 0.1 

14:13:35 25.2 0.2 0.1 

14:13:55 42.8 0.2 0.1 

14:14:16 43.6 0.2 0.1 

14:14:36 43.8 0.2 0.1 

14:14:56 43.8 0.2 0.1 

14:15:16 43.9 0.2 0.1 

14:15:35 43.7 0.2 0.1 

14:15:55 30.1 0.2 0.2 

14:16:16 2.2 11.8 2.4 

14:16:36 1.8 17.7 2.9 

14:16:56 1.7 17.9 2.9 

14:17:16 1.7 17.9 2.9 

14:17:36 1.6 18.0 2.9 

14:17:55 1.6 17.9 2.9 

14:18:15 1.7 17.9 2.9 

14:18:36 1.5 17.9 2.9 

14:18:56 1.8 17.3 2.6 

14:19:16 1.6 4.0 0.4 

Time NOx 02 CO2 

Time ppm 

14:20:45 31.2 18.2 1.0 

14:21:05 31.3 18.6 1.0 

14:21:24 30.9 18.6 1.0 

Barr Engineering 

Page 11 of 16 
Furnace 6 Hood ExhNVaste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Northshore Mining 

Time 

11:09:15 

14:21:44 

ppm 

4.7 

30.8 

% 

0.0 

18.6 

% 

0.1 

1.0 

14:22:04 31.4 18.6 1.0 Run 3 

14:22:25 31.2 18.6 1.0 Run 3 

14:22:45 31.5 18.6 1.0 Run 3 

14:23:05 30.5 18.7 1.0 Run 3 

14:23:25 31.0 18.7 1.0 Run 3 

14:23:44 30.7 18.7 1.0 Run 3 

14:24:04 31.0 18.7 1.0 Run 3 

14:24:24 31.2 18.7 1.0 Run 3 

14:24:45 31.0 18.6 1.0 Run 3 

14:25:05 31.0 18.7 1.0 Run 3 

14:25:25 31.4 18.7 1.0 Run 3 

14:25:45 31.3 18.6 1.0 Run 3 

14:26:04 31.1 18.6 1.0 Run 3 

14:26:24 31.3 18.7 1.0 Run 3 

14:26:45 31.1 18.7 1.0 Run 3 

14:27:05 31.2 18.7 1.0 Run 3 

14:27:25 31.0 18.6 1.0 Run 3 

14:27:45 30.8 18.7 1.0 Run 3 

14:28:05 30.8 18.7 1.0 Run 3 

14:28:24 30.8 18.7 1.0 Run 3 

14:28:44 30.5 18.7 1.0 Run 3 

14:29:05 31.2 18.7 1.0 Run 3 

14:29:25 30.9 18.7 1.0 Run 3 

14:29:45 31.2 18.7 1.0 Run 3 

14:30:05 32.0 18.7 1.0 Run 3 

14:30:24 31.7 18.7 1.0 Run 3 

14:30:44 31.9 18.7 1.0 Run 3 

14:31:04 32.0 18.6 1.0 Run 3 

14:31:25 32.1 18.7 1.0 Run 3 

14:31:45 32.3 18.7 1.0 Run 3 

14:32:05 31.7 18.7 1.0 Run 3 

14:32:25 32.2 18.7 1.0 Run 3 

14:32:44 32.0 18.7 1.0 Run 3 

14:33:04 32.1 18.7 1.0 Run 3 

14:33:24 32.5 18.6 1.0 Run 3 

14:33:45 32.1 18.6 1.0 Run 3 

14:34:05 32.3 18.6 1.0 Run 3 

14:34:25 32.5 18.6 1.0 Run 3 

14:34:45 32.8 18.6 1.0 Run 3 

14:35:04 32.4 18.6 1.0 Run 3 

14:35:24 32.8 18.7 1.0 Run 3 

14:35:45 32.7 18.6 1.0 Run 3 

14:36:05 32.6 18.6 1.0 Run 3 

14:36:25 33.0 18.6 1.0 Run 3 

14:36:45 32.8 18.6 1.0 Run 3 

14:37:05 32.7 18.7 1.0 Run 3 

14:37:24 32.0 18.7 1.0 Run 3 

14:37:44 32.1 18.7 1.0 Run 3 

14:38:05 31.9 18.7 1.0 Run 3 

14:38:25 32.4 18.7 1.0 Run 3 

14:38:45 32.4 18.6 1.0 Run 3 

14:39:05 32.5 18.6 1.0 Run 3 

Page 12 of 16 
Northshore Mining Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Time PPm % cyo 

11:09:15 4.7 0.0 0.1 

14:39:24 32.4 18.6 1.0 Run 3 

14:39:44 32.5 18.6 1.0 Run 3 

14:40:04 32.6 18.6 1.0 Run 3 

14:40:25 32.8 18.6 1.0 Run 3 

14:40:45 32.6 18.6 1.0 Run 3 

14:41:05 32.7 18.6 1.0 Run 3 

14:41:25 32.1 18.6 1.0 Run 3 

14:41:44 32.3 18.6 1.0 Run 3 

14:42:04 32.7 18.6 1.0 Run 3 

14:42:24 32.3 18.6 1.0 Run 3 

14:42:45 32.3 18.6 1.0 Run 3 

14:43:05 32.2 18.6 1.0 Run 3 

14:43:25 32.5 18.6 1.0 Run 3 

14:43:45 32.6 18.6 1.0 Run 3 

14:44:04 32.1 18.6 1.0 Run 3 

14:44:24 32.4 18.6 1.0 Run 3 

14:44:44 32.5 18.6 1.0 Run 3 

14:45:05 32.0 18.6 1.0 Run 3 

14:45:25 32.1 18.6 1.0 Run 3 

14:45:45 32.5 18.6 1.0 Run 3 

14:46:05 32.6 18.6 1.0 Run 3 

14:46:24 31.9 18.6 1.0 Run 3 

14:46:44 32.6 18.6 1.0 Run 3 

14:47:05 32.4 18.6 1.0 Run 3 

14:47:25 32.4 18.6 1.0 Run 3 

14:47:45 31.4 18.6 1.0 Run 3 

14:48:05 32.8 18.6 1.0 Run 3 

14:48:24 32.5 18.6 1.0 Run 3 

14:48:44 32.7 18.6 1.0 Run 3 

14:49:04 32.3 18.6 1.0 Run 3 

14:49:25 32.0 18.6 1.0 Run 3 

14:49:45 32.3 18.6 1.0 Run 3 

14:50:05 32.5 18.6 1.0 Run 3 

14:50:25 33.0 18.6 1.0 Run 3 

14:50:44 32.9 18.6 1.0 Run 3 

14:51:04 32.4 18.6 1.0 Run 3 

14:51:24 33.2 18.6 1.0 Run 3 

14:51:45 32.7 18.6 1.0 Run 3 

14:52:05 33.4 18.6 1.0 Run 3 

14:52:25 32.9 18.6 1.0 Run 3 

14:52:45 32.9 18.6 1.0 Run 3 

14:53:04 32.8 18.6 1.0 Run 3 

14:53:24 32.9 18.6 1.0 Run 3 

14:53:44 32.8 18.6 1.0 Run 3 

14:54:05 32.1 18.6 1.0 Run 3 

14:54:25 32.6 18.6 1.0 Run 3 

14:54:45 33.0 18.6 1.0 Run 3 

14:55:05 32.4 18.6 1.0 Run 3 

14:55:24 32.7 18.6 1.0 Run 3 

14:55:44 32.4 18.6 1.0 Run 3 

14:56:05 32.6 18.6 1.0 Run 3 

14:56:25 32.7 18.6 1.0 Run 3 

14:56:45 33.0 18.6 1.0 Run 3 

Page 13 of 16 
Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Northshore Mining 

Time PPm % % 

11:09:15 4.7 0.0 0.1 

14:57:05 32.7 18.6 1.0 Run 3 

14:57:24 32.6 18.6 1.0 Run 3 

14:57:44 33.3 18.6 1.0 Run 3 

14:58:04 32.6 18.6 1.0 Run 3 

14:58:25 32.6 18.6 1.0 Run 3 

14:58:45 32.6 18.6 1.0 Run 3 

14:59:05 32.4 18.6 1.0 Run 3 

14:59:25 32.1 18.6 1.0 Run 3 

14:59:44 32.4 18.6 1.0 Run 3 

15:00:04 32.2 18.6 1.0 Run 3 

15:00:24 32.3 18.6 1.0 Run 3 

15:00:45 32.1 18.6 1.0 Run 3 

15:01:05 32.2 18.6 1.0 Run 3 

15:01:25 32.4 18.6 1.0 Run 3 

15:01:45 32.2 18.6 1.0 Run 3 

15:02:04 32.1 18.6 1.0 Run 3 

15:02:24 32.1 18.6 1.0 Run 3 

15:02:44 32.4 18.6 1.0 Run 3 

15:03:05 32.2 18.6 1.0 Run 3 

15:03:25 31.9 18.6 1.0 Run 3 

15:03:45 32.6 18.6 1.0 Run 3 

15:04:05 32.0 18.6 1.0 Run 3 

15:04:24 32.3 18.6 1.0 Run 3 

15:04:44 31.4 18.6 1.0 Run 3 

15:05:05 32.5 18.6 1.0 Run 3 

15:05:25 32.1 18.6 1.0 Run 3 

15:05:45 32.6 18.6 1.0 Run 3 

15:06:05 32.6 18.6 1.0 Run 3 

15:06:24 32.8 18.6 1.0 Run 3 

15:06:44 32.4 18.6 1.0 Run 3 

15:07:04 32.7 18.6 1.0 Run 3 

15:07:25 32.6 18.6 1.0 Run 3 

15:07:45 32.8 18.6 1.0 Run 3 

15:08:05 32.9 18.6 1.0 Run 3 

15:08:25 33.3 18.6 1.0 Run 3 

15:08:44 33.5 18.6 1.0 Run 3 

15:09:04 32.9 18.6 1.0 Run 3 

15:09:24 33.0 18.6 1.0 Run 3 

15:09:45 33.2 18.6 1.0 Run 3 

15:10:05 33.0 18.6 1.0 Run 3 

15:10:25 32.6 18.6 1.0 Run 3 

15:10:45 33.3 18.7 1.0 Run 3 

15:11:04 32.6 18.6 1.0 Run 3 

15:11:24 32.3 18.7 1.0 Run 3 

15:11:44 32.6 18.7 1.0 Run 3 

15:12:05 32.9 18.6 1.0 Run 3 

15:12:25 32.5 18.6 1.0 Run 3 

15:12:45 32.2 18.6 1.0 Run 3 

15:13:05 32.1 18.6 1.0 Run 3 

15:13:24 32.1 18.6 1.0 Run 3 

15:13:44 32.2 18.6 1.0 Run 3 

15:14:05 32.5 18.6 1.0 Run 3 

15:14:25 32.8 18.6 1.0 Run 3 

Page 14 of 16 
Northshore Mining Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Time 

11:09:15 

ppm 

4.7 

°A 

0.0 

0/0 

0.1 

15:14:45 32.7 18.6 1.0 Run 3 

15:15:05 32.7 18.6 1.0 Run 3 

15:15:24 32.9 18.6 1.0 Run 3 

15:15:44 32.9 18.6 1.0 Run 3 

15:16:04 33.2 18.6 1.0 Run 3 

15:16:25 32.8 18.6 1.0 Run 3 

15:16:45 32.7 18.6 1.0 Run 3 

15:17:05 32.7 18.6 1.0 Run 3 

15:17:25 32.7 18.6 1.0 Run 3 

15:17:44 32.5 18.6 1.0 Run 3 

15:18:04 33.0 18.6 1.0 Run 3 

15:18:24 32.6 18.6 1.0 Run 3 

15:18:45 32.9 18.6 1.0 Run 3 

15:19:05 33.0 18.6 1.0 Run 3 

15:19:25 32.6 18.6 1.0 Run 3 

15:19:45 32.1 18.6 1.0 Run 3 

15:20:04 31.8 18.6 1.0 Run 3 

15:20:24 31.8 18.6 1.0 Run 3 

15:20:44 32.3 18.6 1.0 Run 3 

15:21:05 31.9 18.6 1.0 RUN 3 - 1422-1522 

15:21:25 31.9 18.6 1.0 NOx ppm 02 % CO2 % 

15:21:45 31.9 18.6 1.0 32.3 18.6 1.0 

15:22:05 31.7 18.6 1.0 

15:22:24 32.1 18.6 1.0 

15:22:44 32.2 18.7 1.0 

15:23:05 31.9 18.6 1.0 

15:23:25 31.5 18.7 1.0 

15:23:45 28.2 18.7 1.0 

15:24:05 2.4 9.0 0.4 

15:24:24 1.6 0.9 0.1 

15:24:44 1.6 0.3 0.1 

15:25:04 1.5 0.2 0.1 

15:25:25 1.5 0.2 0.1 

15:25:45 1.5 0.2 0.1 

15:26:05 1.6 0.2 0.1 

15:26:25 42.1 0.2 0.1 

15:26:44 43.5 0.2 0.1 

15:27:04 43.5 0.2 0.1 

15:27:24 43.6 0.2 0.1 

15:27:45 43.6 0.2 0.1 

15:28:05 43.5 0.2 0.1 

15:28:25 2.8 6.9 1.7 

15:28:45 1.7 17.5 2.9 

15:29:04 1.7 17.9 2.9 

15:29:24 1.7 18.0 2.9 

15:29:44 1.7 18.0 2.9 

15:30:05 1.6 18.0 2.9 

15:30:25 1.9 19.4 1.0 

15:30:45 1.9 20.8 0.2 

15:31:05 1.8 20.9 0.2 

15:31:24 1.9 20.9 0.2 

15:31:44 1.9 20.9 0.2 

Page 15 of 16 
Northshore Mining Furnace 6 Hood Exh/Waste Gas Stack 602 Barr Engineering 

Reference Method Data Logger Output 

Time PPm % % 

11:09:15 4.7 0.0 0.1 

15:32:05 1.4 20.9 0.2 

Page 16 of 16 
Appendix D 

Calibration Data 
EPA M5 POST TEST METER CALIBRATION 

Control Modt C3 Barometric Pressure 29.45 

Project: North Shore Mining Previous Y 1 

Date: 01/31/01 Previous Delta H 1.7251 

Tech: JZS2 Vacuum, in Hg 6" 

Orifice 

Diff 

Presure dH 

Dry Gas 

Volume, 

Cubic Feet 

Wet Test 

Volume, 

Cubic Feet 

Dry Gas Meter 

Temp, F 

Wet Test 

Meter 

Temp, F 

Elapsed 

Time of 

Cal. Point 

Meter 

Coefficient 

Y 

Orifice 

Coefficient 

Inlet I Outlet dHn 

Nominal 

1.75 

Final 

79.385 

Final 

6963.00 

Final 

87.0 

Final 

77.0 

Final 

66.0 

Minutes 

13.0 

SEC 

21.06 

0.9847 1.7348 

Actual 

1.75 

Initial 

68.995 

Initial 

6953.00 

Initial 

84.0 

Initial 

74.0 

Initial 

66.0 

Minutes 

13.351 

Total 

10.390 

Total 

10.000 

Average 

85.5 

Average 

75.5 

Average 

66.0 

80.500 Tm 

Nominal 

1.75 

Final 

90.890 

Final 

6974.00 

Final 

89.0 

Final 

78.0 

Final 

66.0 

Minutes 

13.0 

SEC 

22.13 

0.9822 1.7330 

Actual 

1.75 

Initial 

80.430 

Initial 

6964.00 

Initial 

87.0 

Initial 

77.0 

Initial 

66.0 

Minutes 

13.369 

Total 

10.460 

Total 

10.000 

Average 

88.0 

Average 

77.5 

Average 

66.0 

82.750 Tm 

Nominal 

1.75 

Final 

102.44 

Final 

6985.00 

Final 

90.0 

Final 

80.0 

Final 

66.0 

Minutes 

13.0 

SEC 

23.5 

0.9807 1.7341 

Actual 

1.75 

Initial 

91.94 

Initial 

6975.00 

Initial 

89.0 

Initial 

78.0 

Initial 

66.0 

Minutes 

13.392 

Total 

10.505 

Total 

10.000 

Average 

89.5 

Average 

79.0 

Average 

66.0 

84.250 Tm 

Average 0.9825 1.7339 
B Side Calibration Data 

Trial 

Number 

AP Std. 

In. H20 

AP S-type 

In. H20 

Pitot Coef. 

Cp 

• Coefficient 

Deviation 

1 , I 2. 47 ,t346, ,00b 

2 /..X0 .832. 

3 .6?9 •8,41- ,o07- 

4 4.389 ,etLio• ,000 

Average ,z5i0 

D 

Engineering Company 

S-Type Pitot Calibraton 

Leak Check: 

Negative: A" WC 

Positive: /.@4" 1.WC 

Pitot Tube Number: 

Date fo Calibration: 5/ 

Technician: (+y7 

A Side Calibration Data 

Trial 

Number 

AP Std. 

In. H20 

AP S-type 

In. H20 

Pitot Coef. 

Cp 

Coefficient 

Deviation 

1 r),( ' 53 7 003 

2 , 350 -Bcf 3 ,c:o3 

3 ,L5o /8tio , Pa .CnO 

4 //voo b31 -7 -838 co 

Average 810 _Co 

Pitot Tube Coefficient = (A side Op + B side Cp)/2 

A side / B side Deviation = A side Op- B side Cp 

Coefficient Calcualtion: Cp s-type = Cp standard X 

640 

000 

AP Standard 

AP S-Type 
Media Ice H20 Boiling H20 Hot Oil Ambient Other 1.10111I 

Std Used '379? Eli/2 

Reference Deg F (To) 32,1 210 

Reference emergent stem temp (Te) 0( 

Reference emergent stem length (L) C 

Reference Corr Temp (deg F) 

Reference Corr Temp (deg R) deg F + 460 

Probe Temp (deg F) 

(070 

20( 

Probe Temp (deg R), deg F + 460 

Difference (degrees) 

log 

406' 

6.6X 

0 

% Diff Abs. T (Renkin) 40,10 —0,30 

Engineering Company 

Thermocouple Number C 3 

THERMOCOUPLE 

CALIBRATION 

Date: 3/2- 0/GC 

Technichian: 

Diff. less than 1.5% at all points 

' Graph Attached 

Extrapolated Range with Dill. <= 1.5% to 

Desa-iption of the thermocouple's function: 

C "1 P140( 4 ie C- 3 1c.4e. r..tff -7 e47 

If not acceptable, describe corrective procedures undertaken: 

P:100\0210EM\Datasheets1calibrationAs 
I It 

Engineering Company 

Thermocouple Number e 3 6 

THERMOCOUPLE 

CALIBRATION 

Date: 

Technichian: 1 4-/c 

Media Ice H20 Boiling H20 Hot Oil Ambient Other 

Std Used 37 97 3/Yq9 

Reference Deg F (To) 2.1 

Reference emergent stem temp (Te) 

Reference emergent stem length (L) 

Reference Corr Temp (deg F) 2( 0 

Reference Corr Temp (deg R) deg F + 460 ,i671515-- 

Probe Temp (deg F) :2210 

Probe Temp (deg R), deg F + 460 13,6 

Difference (degrees) -0-0 

% Diff Abs. T (Renkin) b- 0 

Diff. less than 1.5% at all points 

Graph Attached 

Extrapolated Range with 01ff. <= 1.5% to 

Description of the thermocouple's function: 

coviA,-0 ( i-LJe)L)1.-e C 3 2)6-it& ou-ko)t 

If not acceptable, describe corrective procedures undertaken: 

P-.100\0210EM1Datasheetslcalibration.xls 
Appendix E 

Cylinder Gas Certifications 
' 

For Technical Information Call 

1-800-752-1597 

Air Products and Chemicals, Inc. * 12722 S. Wentworth Avenue, Chicago, IL 60628 ISO CE

CERTIFICATE OF ANALYSIS: EPA PROTOCOL GAS 

• 

Customer: Order No: CSS-427973-01 

AIR PRODUCTS & CHEMICALS, INC. Batch No: 861-68342 

373 CANTERBURY ROAD PO: 

SHAKOPEE MN 55379 Release: 

Cylinder No: 

Bar Code No: 

Cylinder Pressure*: 

Certification Date: 

Expiration Date: 0

Analyst: 

(16921) 

Approved By: 

HOLLY HATTENDORF R

PERFORMED ACCORDING TO EPA TRACEABILITY PROTOCOL FOR ASSAY AND CERTIFICATION OF GASEOUS CALIBRATION STAND

CERTIFIED CONCENTRATION REFERENCE STANDARDS ANALYTICAL INSTRU

Certified 

Concentration 

NITRIC OXIDE L.0 ±0.65 PPM 

NO2 (Reference Value Only): .700 PPM 

NITROGEN Balance Gas 

* STANDARD SHOULD NOT BE USED BELOW 150 PSIG 

Standard 

Concentration 

88.10 PPM 

Instrument Serial Las

Make/Model Number Calib

ROSEMOUNT 04/

Standard 

Component Type 

Cylinder 

Number 

SG9I68815BAL NTRM 
)ATE OF P.t.NALYSIS: .:EPA PROTOCOL GAS

PERFORMED ACCORDING TO EPA TRACEABILITY PROTOCOL FOR ASSAY AND CERTIFICATION OF GASEOUS CALIBRATION ST

WM; 

CERTIFIED CONCENTRATION REFERENCE STANDARDS ANALYTICAL INS

.01M1111111■1■■•••■••1 

Certified 

Component Concentration 

Cylinder 

Number 

Standard 

Type . 

Standard 

Concentration 

Instrument 

Make/Model 

Serial 

Number 

C

NITRIC OXIDE 240 ±1.6 PPM SG9150613BAL NTRM 81685X 168.2 PPM ROSEMOUNT 

Analyst: 

Abbasi Husain 

Approved By: 

For Technical Information Call 

1-800-752-1597 

Air Products and Chemicals, Inc. * 12722 S. Wentworth Avenue, Chicago, IL 60628 ISO 

Customer: 

AIR PRODUCTS & CHEMICALS, INC. 

373 CANTERBURY ROAD 

SHAKOPEE MN 55379 

Order No: CSS-429091-01 

Batch No: 861-68343 

PO: 

Release: 

Cylinder No: 

Bar Code No: 

Cylinder Pressure

Certification Dat

Expiration Date: 

NO2 (Reference Value Only): .100 PPM 

NITROGEN Balance Gas 

• * STANDARD SHOULD NOT BE USED BELOW 150 PIG 

(16921) 
PERFORMED ACCORDING TO EPA TRACEABILITY PROTOCOL FOR ASSAY AND CERTIFICATION OF GASEOUS CALIBRATION STAND

Serial 

Number 

Standard 

Type 

Instrument 

Make/Model 

Standard 

Component Concentration 

Last 

Calibr

NITRIC OXIDE NTRM 82630 1477 PPM ROSEMOUNT 951A 010877 04/

NO2 (Reference Value Only): 1 90 

NITROGEN Balance Gas 

* STANDARD SHOULD NOT BE USED BELOW 150 PSIG 

Certified Cylinder 

Concentration Number 

447 t7.5 PPM S091688608AL 

PPM 

CERTIFIED CONCENTRATION REFERENCE STANDARDS ANALYTICAL INSTRU

Analyst: Approved By: 

Chris Basile J

For Technical Information Call 

1-800-752-1597 

P

Air Products and Chemicals, Inc. * 12722 S. Wentworth Avenue, Chicago, IL 60628 ISO CE

Customer: Order No: CSS-178669-01 

AIR PRODUCTS & CHEMICALS, INC. Batch No: 861-56299 

373 CANTERBURY ROAD PO: 

SHAKOPEE MN 55379 Release: 

Cylinder No: 

Bar Code No: 

Cylinder Pressure*: 2

Certification Date: 0

Expiration Date: 04
Patricia J. Williams 

e311 

Analyst: / 1),.0 /C-34 t/L-" ( w---,/ /)ZA4 Approved By: 

/ , ) 77/7 

For Technical Information Call 

1-800-752-1597 

P

Air Products and Chemicals, Inc. * Rural Route #1, Tamaqua, PA 18252 ISO CE

CERTIFIdATE OF ANALYSIS: EPA PROTOCOL GAS 

PERFORMED ACCORDING TO EPA TRACEABILITY PROTOCOL FOR ASSAY AND CERTIFICATION OF GASEOUS CALIBRATION STAN

Customer: 

AIR PRODUCTS & CHEMICALS, INC. 

373 CANTERBURY ROAD 

SHAKOPEE MN 55379 

Order. No: CSS-293801-01 

Batch NO: 255-7468E 

PO: 

Release. : . 

Cylinder No: 

Bar Code No: 

Cylinder Pressure*: 

Certification Date: 

Expiration Date: 

CERTIFIED CONCENTRATION 

/1111=7692. 

•=11.1100111=1 

REFERENCE STANDARDS ANALYTICAL INSTR

Component 

Certified 

Concentration 

Cylinder 

Number 

Standard 

Type 

Standard 

Concentration 

Instrument 

Make/Model 

Serial 

Number 

La

Cali

CARBON DIOXIDE 10.1±0.06 SG9169557BAL NTRM 81675X 10.82 % Shimadzu Model C1049300 10

OXYGEN 10.1±0.06 t SG9168291BAL NTRM 82658X 16.04 t SMIMADIU GC-8A 59405U 10

NITROGEN Balance Gas 

* STANDARD SHOULD NOT BE USED BELOW 150 PSIG 

(16921) 

Appendix F 

Process Operating Data 
OPERATING DATA SUMMARY FOR PROCESS SOURCES Form OPS01 

June 1999 

Test Date(s): 1.../Do/o o Process Equipment Number/Identification: ES ic:rt /14S P.05" 

Company Name: Isko (1114-111-6 14(atNic 94-A•Nly 

Equipment & Operating Data 

I. Process Equipment Description: -Ls.. racno -1<:73-gittp t TAW-- - 04-Vrt_ CIAS VP-04,(7-). 61-14c,C 

2. Were the process and control equipment operated consistent with normal operating procedures? YES NO 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: 0 Remains unchanged from info, provided in test plan 

t° 13, >c,00 - SM.4. "Z 4-, I i-43 Wilt+ OLP TIRO (NITIAA Ce• STFOCZINP-1.- oF PF-et_sP (TATpe. ire4D um-rEt_ 

60PPL-r te"Irs .4.10 *1-"riTi/4c5 

5. Process rate (amount of raw material or finished product per hour, wet or dry basis) while combusting (list fuel type(s) and ratios as 

appropriate) 

Process Parameter: list type and units Run 1 Run 2 Run 3 

au-4z r-R1/44.-,c-LD Put- 4=0i2- ( 1-w-i4(Rus 

Fuel Input (list units) ( 130 

Heat Inplit4,106British thermal units/hour) 

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 specified in test plan approval letter. 

• Scrubber (list type of scrubber): AP (in. w.c.) and feed rate (gpm and psig) e Baghouse, Cyclone, and Multi-clone: AP (in. w.c.) 

• Catalytic Incinerator:(:7 1 , ,°Fout) and Thermal Incinerator: (°Foperating • Number and identity of operating ESP field(s) 

temperature) 

APC and parameter monitored Run 1 Run 2 Run 3 

AvEme.t. A.,pEe,..4.€_ 1 ,11 / i /8 

AvAAA-4.4_ Voi-TAG. 

A1/4161-460._. L3ArreaL fl..o... CT p 4.4.,.. /L/9 P./9 /q 9 

List pollutant & averaging basis.--should reflect permit Run I Run 1 Run 1 

Continuous Opacity Monitor (list hourly average) 

Monitor (list averaging basis): , 

Monitor (list averaging basis: 

Abbreviations: APC-air pollution control gpm.-gallons per minute in. w.c.-inches of water column 

lbs.-pounds psig-pressure per square inch gauge 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. 7017.2035, subp. 3. This form is to be submitted as part of the performance test report to: North, 

Metro, or South District, Performance Test Coordinator, MN Pollution Control Agency, 520 Lafayette Rd, St. Paul, MN 55155-4194. 
OPERATING DATA SUMMARY FOR PROCESS SOURCES Form OPSOI 

June 1999 

Process Equipment Number/Identification: ES I 

Test Date(s): I .>/loc:7 

Company Name: ',lawn-1st-104g.RttM&0.42.4m-,47 

Equipment & Operating Data 

1. Process Equipment Description: Uber"-6344,- EI-EzTPOS.174114- Cu-stAce 1-6P V-44 0-4-11r 

2. Were the process and control equipment operated consistent with normal operating procedures NO If no, explain: 

yg4 Ke.E.F1- For- 0101a.r° fOC.Nthel. 3zo.zpi I>igAge. 4-014 4 1 Fog- 9 ftilstoreg 

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: 0 Remains unchanged from info, provided in test plan 

.coo F-EY4-OVE1' frP , 7E-U .srfk) GT e fe-c_ of re-r-c-R(7742*- A440 

ss-Noei-ci L-{,4L. Fri774k4 

5. Process rate (amount of raw material or fmished product per hour, wet or dry basis) while combusting (list fuel type(s) and ratios as 

appropriate) 

Process Parameter: list type and units Run 1 Run 2 Run 3 

DF AU-L13 P124) ooe..i.c. 41a.12-. 0-4,44-17;14s) /a S- / / 

Fuel Input (list units) A.beract4,...c ( 144-4) & I 13 

Heat Input (10 6British thermal units/hour) G. ,c to' %< 0-1 oi 

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 specified in test plan approval letter. 

• Scrubber (list type of scrubber): AP (in. w.c.) and feed rate (gpm and psig) • Baghouse, Cyclone, and Multi-clone: AP (in. w.c.) 

• Catalytic Incinerator:(°Fi r, ,°F.) and Thermal Incinerator: (°Foperating • Number and identity of operating ESP field(s) 

temperature) 

APC and parameter monitored Run 1 Run 2 Run 3 

Avi-R-44e. Voi-n44L / / / 

AVE-0-44E- Uptcrkg- ri„.„_.> Cy0,-) /q5' /q8 NE, 

List pollutant & averaging basis.--should reflect permit Run I Run I Run 1 

Continuous Opacity Monitor (list hourly average) 

Monitor (list averaging basis): 

Monitor (list averaging basis: 

Abbreviations: APC-air pollution control 

lbs.-pounds 

gpm.-gallons per minute 

psig-pressure per square inch gauge 

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. 7017.2035, subp. 3. This form is to be submitted as part of the performance test report to: North, 

Metro, or South District, Performance Test Coordinator, MN Pollution Control Agency, 520 Lafayette Rd., St. Paul, MN 55155-4194. 
Northshore Mining Company Stack Test Data 

December, 2000 

Precipitator Run# 

Long Tons Gas Burned 

Date Start Time Stop Time Pellets per Hour(kcfh) 

Average 

Amperage 

Average 

Voltage 

602 1 12121/00 11:40:00 AM 12:40:00 PM 104.88 61 5 1.0 

602 2 12/21/00 1:10:00 PM 2:10:00 PM 126.50 73 5 1.0 

602 3 12/21/00 2:22:00 PM 3:22:00 PM 129.20 72 5 1.1 

1203 1 12/20/00 2:05:00 PM 3:05:00 PM 209.63 112 25 4.5 

1203 2 12/20/00 3:25:00 PM 4:25:00 PM 221.96 128 7 0.2 

1203 3 12/20/00 4:35:00 PM 5:35:00 PM 224.93 131 7 0.3 

1205 1 12/20/00 8:15:00 AM 9:15:00 AM 222.90 130 14 4.9 

1205 2 12/20/00 9:38:00 AM 10:38:00 AM 221.77 129 19 6.3 

_ 

1205 3 12/20/00 10:51:00 AM 11:56:00 AM 221.32 129 18 6.2 

Monday, Janualy 08, 2001 
Barr PROCESS OPERATION 

Engineering Company INFORMATION DATA SHEET 

Client 

Facility 

Sample Location 

Notes: 

/ 

130 

Reading 

No. 

Nominal 

Time 

Actual 

Time 

Operating 

Rate (TPH) 

Secondary 

Volts 

Run # t 

Primary 

Amperes 

5141ktt.. Water 

Rate ( ) Flow ( ) 

Wet Wall ESP 

1 0 1140C 123. 

2 15 14; zo 22,7.o 

3 30 1 9:15- 

4 45 

5 60 

6 75 

7 90 

8 105 

9 120 

1 0 5 IS - 

2 15 A-10 224-, 

3 30 / 7 2 

4 45 o IC 

5 60 

6 75 

7 90 

8 105 

120 

2e.s 

(si 2.0.Z 

9.6, 

'0 

) 

10g 

Jo TT" 

Run # 2_ 

C.) o 

/0 z- 

/ 6 LI 

./ k/ 

/ 

IS?. 2 

/c/ 

:7?-: 

0 7. 

0 7,1 

0 

Date 

Operators 

Test No. 
Bczi e PROCESS OPERATION 

Engineering Company INFORMATION DATA SHEET 

Client 

Facility 

Sample Location 

Date 

Operators 

Test No. 

Wet Wall ESP 

S1, - 

•1 r

iJ o 

Reading 

No. 

Nominal 

Time 

Actual 

Time 

Operating 

Rate (TPH) 

Secondary 

Volts 

Primary 

Amperes 

St-patk(c 

Rate ( ) 

Water 

Flow ( 

Run # 

1 0 / 1-t, 0 t( 

2 15 iS_C7) 7 4 77. f2.). • 

„ ) •Y. 

3 30 ID ci , 0 13 1415- 

4 45 ?Id 7 -7 0 [2 

5 60 23c 7 f.? ;L 7 S 1 

6 75 

7 90 

8 105 

9 120 

Run # 

1 0 

2 15 

3 30 

4 45 

5 60 

6 75 

7 90 

8 105 

9 120 

Notes: 
Reading 

No. 

Nominal 

Time 

1 0 

2 15 

3 30 

4 45 

5 60 

6 75 

7 90 

8 105 

120 

1 0 

2 15 

3 30 

4 45 

5 60 

6 75 

7 90 

8 105 

9 120 

123 

127 

tz8 

tzg 

9 18 

27 0.e .

3 . - s-- 1 

,t-f IL! Vg5i3 

LiA I 

s-- 

Z2.1 Lie S 

!Lig. 8 

Wet Wall ESP 

Actual 

Time 

Operating 

Rate (TPH) 

Secondary 

Volts 'I 

Primary 

Amperes 

alcut 31:7444: 1

Rate ( )1° 

Water 

Flow ( ) 

Run # 

1 Lig 9 

ci3,19 

1 if 

c!. 00 

224.1 

P 0 

EPIC. 22.67 0 14Z, 

228,0 

224 0 1 0,1 i 'MC 

2 -z .8 6 

7 19.-G 

Run # 2. 

1,7t-i. 

iya 

1008 

10 = 23 )(,) 

Barr PROCESS OPERATION 

Engineering Company INFORMATION DATA SHEET 

Date 12-7 0-00 

. Operators 

Test No. 

Client 

Facility 

Sample Location 

Notes: 
Water 

Flow ( 

Wet Wall ESP 

Reading 

No. 

Nominal 

Time 

1 0 

2 

30 

4 45 

5 60 

6 75 

7 90 

8 105 

9 120 

1 0 

2 15 

3 30 

4 45 

5 60 

6 75 

7 90 

8 105 

9 120 

Actual 

Time 

Operating 

Rate (TPH) 

Secondary 

Volts k\of 

Primary 

Amperes 

Run # 0.2 

Run # 

27.1_ 81) 

ill 11-19- 

1Y7 g1.9.5 

fI T P.(.‘ iy4zo 

l I : 2r, 2.2, 1 0 

H z(-i1 2'21 

2:i 7 8 

1 0:S1 220. 0 10_2. 

ce-,$ KCF 

Bcar PROCESS OPERATION 

Engineering Company INFORMATION DATA SHEET 

Client Date 1742241— M) 

Facility Operators 

Sample Location Test No. 

Notes: 
Rarr PROCESS OPERATION 

Engineering Company INFORMATION DATA SHEET 

Client 

Facility 

Sample Location 

‘02- Date 

Operators 

Test No. 

Wet Wall ESP 

Reading Nominal Actual Operating Secondary 

No. Time Time Rate (TPH) Volts 

Run # I 

Primary 

Amperes Egte 2lt ) -Water 

Flow ( ) act.) 

1 0 /Ha 11,1 3/o /2 7 

• 15 Y. & A/7 5 

PO. 3 

2 //Sr /2- c( 

a 3 30 2.16 dOt.A) S4 45 2 2.5 /s-6 - 9 I 

5 60 //zr c ss, 6 1 5- 1 1-16.-7 

6 75 

7 90 

8 105 

9 

Run # 2— 

120 

1 0 /2g /9,d 

2 

3 30 

15 (9 

4 

5 

45 

60 

/3/O 

16,/0 

/15; -2 

/ 1 

i1 8 6 

1/8."/ 

o 

8, 3 

IZI 

12- 

I (/(7.z_ 

75— 

7 

9_3 

7Z.- 

6 75 

7 90 

8 105 

9 

Notes: (1)0J revivi /. 2.0g 12.17 

120 
Wet Wall ESP 

Reading 

No. 

Nominal 

Time 

0 

2 • 15 

3 30 

4 45 

5 60 

6 75 

7 90 

8 105 

9 120 

1 0 

2 15 

3 30 

4 45 

5 60 

6 75 

7 90 

8 105 

9 120 

Actual 

Time 

Operating 

Rate (TPH) 

Secondary 

Volts 

Primary 

Amperes 

g49agt_ 

Rate ( ) 

.Water 

Flow ( ) 

Run # 3 

Run # 

HZ t 0 

/ 117, o 2- 3, 4, / (1 /V, 

/ 1/5-z._ //7. 0 

/507 jis-i6 

I/3.c 

iz (1 

12-Y 

/ 

iVesnt(ii 

'7, 6 

3 

/ 

3c rr PROCESS OPERATION 

Engineering Company INFORMATION DATA SHEET 

c<er2_ 

Client Date 

Facility Operators 

Sample Location Test No. 

Notes: 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

14:05:00 

Values/Avera g es 

= Calculated time XBNUS00 BFU155RV CALC 22 KCFH TONS GAS 

225.2 120.3 

= Time chanced " = KI0309 VEU328 AC AMPS DC KVOLT ESP 1202 ESP 1203 

.4 8 4.2 

PV RETRIEVAL 

MG data * = KTU042 

DEGF 

OTLT GAS 

104.8 

REGUEST 

Less than expected KFU294 

GPM 

ESP 1202 

154.9 

* samples 

12_0 3 

14:06:00 293. 9 120.7 28 4.3 104.8 155.8 

14:07:00 222.7 120.3 18 4.7 104.8 157.3 

14:08:00 222.6 129.7 28 2.8 104.8 154.8 

14:09:00 224.5 129.3 25 4.0 104.8 156.8 

14:10:00 222.4 129.8 25 5.2 104.2 156.3 

14:11:00 226.2 129.3 30 4.7 104.2 156.2 

14:12:00 225.1 129.3 28 5.1 104.2 156.8 

14:12:00 222.0 129.7 27 2.9 104.0 155.4 

14:14:00 222.2 130.2 22 5.7 104.2 156.4 

14:15:00 221.8 129.6 25 4.2 104.2 155.1 

14:16:00 223.0 128.9 12 4.4 104.2 157.1 

14:17:00 222.7 128.2 23 4.9 104.8 157.7 

14:12:00 222.9 129.2 30 4.2 104.2 157.0 

14:19:00 224.9 120.1 21 4.4 104.8 156.9 

14:20:00 225.5 120.3 22 4.6 104.2 155.7 

14:21:00 225.1 130.7 21 4.3 104.2 155.9 

14:22:00 224.6 120.7 64 9 .9 104.8 152.4 

14:22:00 224.6 121.1 12 5.8 104.2 154.5 

14:24:00 444,2 131.0 25 4.4 104.8 157.1 

14:25:00 442_5 129.7 21 4.8 104.8 156.2 

14:26:00 222.6 129.2 27 5.4 104.2 155.4 

14:27:00 224.4 122.2 27 4.6 104.2 155.7 

14:29:00 995.6 122.3 67. 5.1 104.2 156.3 

14:29:00 225.5 128.2 29 4.6 104.3 154.6 

14:30:00 225.2 127.6 17 5.2 104.8 155.3 

14:21:00 225.2 127.9 29 4.6 104.7 157.0 

14:22:00 222.9 129.2 27 5.5 104.2 154.6 

14:72:00 224.6 129.1 17 4.9 104.0 157.4 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

Values/Averages 

' = Calculated time 

XBNU200 BFU155RV 

CALC 22 KCFH 

TONS GAS 

-- = Time changed " = KIU209 - KEU228 

AC AMPS DC KVOLT ESP 1202 ESP 1203 

PV RETRIEVAL 

HG data * = KTU042 

DEGF 

OTLT GAS 

REQUEST 

Less than expected 9 samples 

KF1J394 

GPM 

ESP 1203 

14:24:00 224.5 129.4 27 5.3 104.7 156.1 

14:35: 00 224.9 129.6 27 2.7 104.8 155.7 

14:26:00 225.4 129.1 21 5.1 104.2 156.6 

14:37:00 224.8 128.8 23 4.8 104.8 •54.2 

14:28:00 224.9 127.9 26 5.0 104.8 156.9 

14:39:00 225.1 127.1 21 5. 2 104.7 155.7 

14:40:00 225.0 127.9 26 5.0 104.8 154.6 

14:41:00 225.1 129.6 27 4.5 104.6 156.0 

14:42:00 325.6 120.0 26 5. 9 104.7 155.7 

14:42:00 225.9 120.8 29 4.7 104.8 156.0 

14:44:00 225.1 120.5 22 4.6 104.8 158.2 

14:45:00 224.9 122.4 29 4.2 104.3 156.2 

14:46:00 225.2 128.3 26 4.2 104.7 156.1 

14:47:00 224.5 128.6 29 3.5 104.2 156.3 

1 4 :48:00 224.1 129.2 26 4.9 104.7 157.1 

14:47:00 224.9 127.7 28 4.0 104.6 157.4 

14:50:00 169.1 2.6 27 4.7 104.6 171.6 

14:51:00 115.5 8.8 27 3.2 104.5 157.6 

14:52:00 72.9 8.8 27 4.9 104.5 156.5 

14153:00 513.9 8.6 26 4.3 104.5 155.2 

14:54:00 36.8 2.6 24 5.0 104.2 152.7 

14:55:00 25.1 50.3 26 5.4 104,2 155.2 

14:56:00 20.6 112-1 22 6.0 104.1 154.2 

14:57:00 125.4 133.3 27 5.2 104.0 156.5 

14:58:00 225.9 139.5 28 4.6 103.9 157.0 

14:59:00 267.2 127.2 29 5.1 103.8 155.4 

15:00:00 252.2 117.2 23 4.3 103.7 157.5 

15:01:00 245.8 116.2 25 5.0 103.7 156.0 

15:02:00 244.2 121.6 18 4.8 103.7 155.9 
Snapzhot Values/Averaqes 

PVR PV RETRIEVAL REGUEST 

LEGEND: ' = Calculated time '''' = Time changed " = HG data * = Less than expected # samples 

DATE/ XBNU2.00 BFU155RV KIO209 KEU228 KTU042 KF0394 

TIME CALC 22 KCFH AC AMPS DC KVOLT DEGF GPM TONS GAS ESP 1202 ESP 1202 OTLT GAS ESP 1202 

12/20/00 

15:03:00 245.0 125.9 7 0.2 103.6 154.9 

15:04:00 245.4 128.1 — 0.2 103.5 157.0 

1:05:00 246.0 127.2 7 0.2 102.4 157.5 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

Values/Averages 

' = Calculated time 

XBNU200 BFU155RV 

CALC 22 KCFH 

TONS GAS 

= Time changed " = 

KIU309 KEU338 AC AMPS DC KVOLT ESP 1202 ESP 1203 

PV RETRIEVAL 

HG data 5- = 

KTU042 

DEGF 

OTLT GAS 

REQUEST 

Less than expected # 

KFU394 

GPM 

ESP 1202 

samples 

/1 03 15:25:00 228.2 127.3 7 0.2 102.8 157.9 

15:26:00 226.0 1 97. 9 7 0. 9 102.2 156.2 

15:27:00 223. ,, 127.2 7 0.2 102.8 1 53.5 

15:38:00 221.0 126.9 7 0.2 102.8 154.4 

15:29:00 220.2 126.9 7 0.2 102.2 156.0 

15:20:00 219.2 127.5 7 0.2 102.3 154.3 

15:21:00 220.4 122.9 7 0.2 102.9 154.0 

15:22:00 221.5 130.4 7 0.2 102.8 155.2 

15:32:00 223.5 131.7 7 0.2 102.2 157.4 

15:34:00 225.1 132.4 7 0.2 102.9 155.1 

15:35:00 225.7 134.3 7 0.2 102.9 158.6 

15:26:00 226.4 124.5 7 0.2 102.9 156.4 

15:37:00 226.2 135.0 7 0.2 102.9 155.5 

15:32:00 225.4 124.1 7 0.2 102.9 153.7 

15:29:00 225.6 132.1 7 0.2 102.7 156.0 

15:40:00 224.4 121.0 7 0.2 103.0 152.8 

15:41:00 234.2 130.5 7 0.2 103.1 157.5 

15:42:00 292.0 131.7 7 0.2 102.1 156.4 

15:43:00 221.7 132.2 7 0.2 102.0 158.7 

15:44:00 220 .7 1 9 1.9 7 0.2 103.1 155.8 

15:45:00 220.3 129.9 7 0.2 102.1 152.3 

15:46:00 221.0 123.0 7 0.2 103.1 154.9 

15:47:00 220.9 127.5 7 0.2 102.1 153.8 

15:42:00 221.4 127.5 7 0.2 103.2 156.1 

15:47:00 221.6 127.6 7 0.2 102.2 156.5 

15:50:00 221.2 122.1 7 0.2 103.2 157.1 

15:51:00 221.9 122.9 7 0.2 102.1 154.9 

15:52:00 221.4 130.0 7 0.2 103.2 158.3 

15:52:00 221.4 131.0 7 0.2 103.2 156.1 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

Values/Averages 

' = Calculated time 

XPNU200 BFU155RV CALC 22 KCFH TONS GAS 

= Time changed " = KIU209 KELI228 AC AMPS DC KVOLT ESP 1203 ESP 1202 

PV RETRIEVAL 

HG data * = KTU042 

DEGF 

OTLT GAS 

REQUEST 

Less than expected it KFU294 

GPM 

ESP 1203 

samples 

15:54:00 221.4 131.4 7 0.2 103.2 155.2 

15:55:00 221.5 132.1 7 0.2 102.4 155.5 

15:56:00 222.8 122.9 7 0.2 103.4 154.9 

15:57:00 222.4 133,0 7 0.2 102.4 156.8 

15:58:00 222.6 131.6 7 0.2 103.4 155.8 

15:59:00 224.9 130.4 7 0.2 103.4 154.8 

16:00:00 225.2 130.0 7 0.2 103.4 156.2 

16:01:00 225.4 130.2 7 0.2 103.4 157.0 

16:02:00 223.7 129.2 7 0.2 103.5 156.9 

16:03:00 222.5 127.1 7 0.2 103. 157.6 

16:04:00 920.6 126.7 7 0.2 103.6 156.4 

16:05:00 212.7 127.7 7 0.2 103.5 156.8 

16:06:00 216.2 129.0 7 0.2 103.6 156.7 

16:07:00 215.5 120.0 7 0.3 102.6 158.1 

16:08:00 21 5 .1 120.0 7 0.2 102.7 157.9 

16:09:00 216.0 120.1 7 0.2 103.7 159.5 

16:10:00 217.6 129.7 7 0.2 102.7 155.2 

16:11:00 221.3 129.2 7 0.2 102.7 155.7 

16:12:00 222.7 129.0 7 0.2 102.7 155.7 

16:12:00 222.5 128.9 7 0.2 103.7 155.2 

16:14:00 224.1 129.9 7 0.2 102.8 157.7 

16:15:00 221.6 120.8 7 0.2 102.8 157.2 

16:16:00 219.0 121.2 7 0.2 l03.9 1 54.8 

16:17:00 216.7 131.2 7 ,I. ,=' 102.8 156.5 

16:1800 21 5 . 11 129.6 7 0.2 102.0 156.5 

16:19:00 215.6 128.3 7 0.2 102.9 157.4 

16:20:00 217.2 128.0 7 0.2 102.8 155.7 

16:21:00 219.2 128.2 7 0.2 103.9 156.4 

16:22:00 29 1.2 129.2 7 0.2 102.9 156.9 
Snapshot Values/Averages 

PVR PV RETRIEVAL REQUEST 

LEGEND: 

DATE/ 

TIME 

12/20/00 

16:22:00 

16:24:00 

18:25:00 

= Calculated time = Time chanced " = HG data * = Less than expected # samples XBNU200 EFU155RV KIU209 - KO-1 328 KTU042 KFU394 CALC 22 KCFH AC AMPS DC KVQIT DEGF GPM TONS GAS ESP 1203 ESP 1203 OTLT GAS ESP 1203 

225.0 129.6 7 0.2 103.9 157.5 

229.4 129.3 7 0.2 102.9 157.1 

220.7 120.0 7 0.2 104.0 154.4 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

16:35:00 

Values/Averages 

' = Calculated time 

XBNU300 BFU155RV 

CALC 22 KCFH 

TONS GAS 

220.3 125.3 

- = Time changed " = RIU209 KEU338 AC AMPS DC KVOLT 

ESP 1202 ESP 1203 

7 0. 9 

PV RETRIEVAL 

HG data * = KTU042 

DEGF 

OTLT GAS 

104.1 

REGUEST 

Less than expected # 

KFU294 

GPM 

ESP 1202 

154.6 

samples 

12-O 3 

16:26:00 226.1 126.5 7 0. 9 104.2 155.7 

16:27:00 232.0 129.2 7 0. 9 104.2 158.0 

16:38:00 236.1 131.7 7 0.2 104.2 155.7 

16:29:00 237.0 122.2 7 0.2 104.2 157.5 

16:40:00 222.2 123.6 7 0. 9 104.2 157.1 

16:41:00 226.3 132.5 7 0.2 104.3 155.7 

16:42:00 219.7 120.4 7 0.2 104.3 154.8 

16:43:00 215.2 128.6 7 0.2 104.3 155.2 

16:44:00 212.5 127.9 7 0.2 104.3 155.7 

16:45:00 210.6 -128.2 7 0.2 104.3 156.7 

16:46:00 212.5 123.0 7 0.2 104.4 154.4 

16:47:00 215.9 128.0 7 0.2 104.4 158._0 

16:48:00 220 . 9 128.1 7 0.2 104.5 155.2 

16:49:00 226.2 128.2 7 0.2 104.5 155.4 

16:50:00 221.8 123.7 7 0.2 104.5 156.7 

16:51:00 226.6 129.4 7 0.2 104.5 155 .8 

16:52:00 227.2 120.6 7 0. 9 104.5 156.5 

16:53:00 234.6 131.5 7 0. 9 104.5 156.9 

16:54:00 229.1 122.2 7 0.2 104.6 156.0 

14:55:00 922.2 131.7 7 0.2 104.8 155.9 

16:56:00 218.2 120.0 7 0.2 104.6 158.7 

16:57:00 214.2 127.7 7 0.2 104.6 156.9 

16:58:00 213.6 127.2 7 0.2 104.7 155.2 

16:59:00 214.4 127.8 7 0.2 104.7 156.2 

17:00:00 215.7 122.4 7 0.2 104.8 155.1 

17:01:00 220.6 129.8 7 0.2 104.2 160.5 

17:03:00 275.4 120.4 7 0.2 104.8 157.4 

17:02:00 231.6 121.2 7 0.2 104.8 157.2 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

Values/Averages 

' = Calculated time 

XBNU200 SFU155RV 

CALC 22 KCFH 

TONS GAS 

= Time changed " = KIU309 KEU238 AC AMPS DC KVOLT ESP 1203 ESP 1203 

Pk/ RETRIEVAL 

MG data * = KTU042 

DEGF 

OTLT GAS 

REGUEST 

Less than expected KFU294 

GPM 

ESP 1202 

# samples 

17:04:00 227.0 131.4 7 0.2 104.9 157.4 

17:05:00 239.6 121.8 7 0.2 104.9 157.7 

17:06:00 227.6 122.5 7 0.2 104.7 156.0 ko

17:07:00 222.4 132.4 7 0.2 105.0 155.7 

17:08:00 227.3 131.7 7 0.2 105.0 157.6 

17:09:00 222.0 130.3 7 0.2 105.0 156.4 

17:10:00 217.0 129.9 7 0.2 105.0 155.5 

17:11:00 218.1 129.6 7 0.2 105.0 155.5 

17:12:00 217.6 1 97.0 7 0.2 105.0 156.0 

17:13:00 219.3 128.9 7 0.3 105.0 155-8 

17:14:00 222.7 126.7 7 0.2 105.1 157.7 

17:15:00 226.4 127.7 7 0.2 105-1 155.1 

17:16:00 230.0 121.0 7 0.2 105.1 157.6 

17:17:00 222.0 121.7 7 0.2 105.2 157.9 

17:18:00 939 .2 122.3 7 0.2 105-3 155.7 

17:19:00 230.8 132.6 7 0.2 105.3 156.5 

17:20:00 -,27 . 0 122.1 7 0.2 105.4 154.1 

17:21:00 2 92.9 120.7 7 0-2 105-5 156.4 

17:22:00 222.5 130.4 7 0.2 105.6 155.5 

17:23:00 221.5 120.7 7 0.2 105.6 155.6 

17:24:00 722.1 121.4 7 0.2 105-7 155.5 

17:25:00 224.7 121_4 7 0.2 105.7 158.5 

17:26:00 225.0 120.8 7 0.2 105.7 156.0 

17:27:00 225.3 120.3 7 0.2 105.3 157.2 

17:28:00 226.3 131.2 7 0.2 105.9 158.7 

17:27:00 226.3 132.4 7 0.2 106.0 155.2 

17:20:00 226.3 131.9 7 0. 9 106.1 154.9 

17:31:00 225.1 130.6 7 0.2 106.2 155.5 

17:32:00 223.6 130-0 7 0.2 106.2 154.6 
Snapshot Values/Averages 

PVR PV RETRIEVAL REQUEST 

LEGEND: ' = Calculated time = Time changed " = HG data * = Less than expected # samples 

DATE/ XENU200 BFU155RV KI1 .1203 KEU228 KTU042 KFU294 

TIME CALC 22 KCFH AC AMPS DC KVOLT DEGF GPM 

TONS GAS ESP 1202 ESP 1202 OTLT GAS ESP 1203 

12/20/00 

17:23:00 223.3 129.8 , 0.2 106.2 . 156.5 

17:34:00 223.3 129.7 7 0.2 106.2 156.5 

17:25:00 222.6 12.9 29 52 106.2 156.8 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

08:15:00 

Values/Averages 

' = Calculated time 

XBNU200 BFU155RV 

CALC 22 KCFH 

TONS GAS 

225.5 129.9 

- = Time changed " = KIU211 KEU240 AC AMPS DC KVOLT ESP 1205 ESP 1205 

0 0.1 

AY RETRIEVAL 

HG data * = 

KTU044 

DEGF 

OTLT GAS 

142.1 

REQUEST 

Less than expected 8 

KFU396 

GPM 

ESP 1205 

149.4 

samples 

 -5/Z0 

08:16:00 228.0 129.8 0 0.1 143.1 149.1 

08:17:00 228.0 129.4 0 0.1 142.3 149.8 

08:18:00 227.1 129.4 0 0.1 142.3 143.2 

08:19:00 225.4 130.4 0 0.1 142.0 149.4 

03:20:00 222.9 131.0 0 0.1 142.2 150.3 

08:21:00 221.4 121.5 0 0.1 142.4 148.8 

08:22:00 219.5 131.4 0 0.1 142.6 149.1 

08:22:00 219.2 121.3 0 0-1 142.1 150.3 

09:24:00 220.0 131.2 0 0.1 143.7 150.5 

08:25:00 220.0 130.0 0 0.1 143.8 148.8 

08:26:00 222.0 128.9 0 0.1 142.6 149.6 

08:27:00 222.8 128.9 0 0.1 143.3 148.2 

09:23:00 224.9 129.9 2 1 6.2 142.7 143.5 

08:29:00 225.4 131.2 16 5.8 142.8 149.9 

08:20:00 225.5 132.2 14 7.3 143.0 149.3 

08:21:00 225.3 132.8 19 6.6 143.4 150.0 

08:22:00 222.0 132.5 14 5.7 143.7 150.0 

08:23:00 222.0 131.9 le 5.4 143.9 148.6 

09:24:00 220.0 120.6 18 5.7 144.5 142.8 

09:35:00 220.0 129.4 19 6.4 144.9 149.2 

09:26:00 22 1.3 129.4 19 6.0 144.5 149.8 

09:27:00 221.8 130.5 19 6.9 144.9 149.4 

09:38:00 224.5 120.4 19 6.0 144.9 149.2 

08:29:00 225.5 128.9 13 5 .4 145.2 148.8 

09:40:00 226.0 127.9 21 6.0 145.0 149.7 

08:41:00 . 225.8 128.1 20 6.7 144.8 148.9 

08:42:00 225.4 129.3 16 6.1 144.9 150.0 

08:42:00 223.5 130.6 22 6.3 145.3 149.2 
Snapshot 

POP: 

LEGEND: 

DATE/ 

TIME 

12/20/00 

Values/Averages 

' = Calculated time '' XBNU200 EF0155RV CALC 22 KCFH TONS GAS 

= Time changed " = KIU211 KEU340 AC AMPS DC KVOLT ESP 1205 ESP 1205 

PV RETRIEVAL 

HG data * = KT0044 

DEGF 

OTLT GAS 

REGUEST 

Less than expected # KFU396 

GPM 

ESP 1205 

samples 

08:44:00 220.5 131.2 21 6.2 145.4 150.0 

08:45:00 220.4 120.4 21 7.1 145.7 149.7 I 

08:46:00 219.6 129.4 15 6.4 146.2 148.7 

08:47:00 218.9 128.0 15 6.5 146.3 149.4 

08:42:00 220.4 126.7 19 6.6 145.7 150.0 

08:49:00 222.6 125.8 16 6.4 145.4 149.2 

08:50:00 224.9 126.2 16 6.0 144.5 149.7 

02:51:00 224.2 127.5 18 6. 2 144.4 142.1 

08:52:00 224.6 129.4 16 5.2 144.3 150.2 

08:53:00 224.3 130.6 17 7. 2 144.2 149.4 

02:54:00 223.2 130.4 16 5.9 144.5 149.6 

09:5:00 222.9 130.0 16 5.3 144.8 149.1 

08:54:00 220.7 129.1 17 5.8 144.7 147.1 

08:57:00 290.5 129.2 16 4.3 145.0 148.6 

08:58:00 220.3 129.3 19 6.3 145.2 149.2 

07:59:00 221.4 129.1 18 6.1 145.3 149.6 

02:00:00 220.8 122.7 17 6.2 145.8 149.5 

09:01:00 221.2 128.7 15 4.2 145.9 142.5 

09:02:00 223.5 128.2 15 6.2 145.5 149.1 

09:03:00 224.4 122.2 16 5.8 145.8 148.6 

09:04:00 224.4 127.6 20 5.9 144.8 148.2 

09:05:00 225.1 128.6 22 6.4 144.1 148.6 

09:06:00 224.5 130.3 22 6.1 144.5 149.4 

09:07:00 222.7 120.6 IP 7.2 144.8 149.7 

09:02:00 221.6 130.3 19 6.4 144.9 148.6 

09:09:00 222.2 128.7 16 7.0 144.9 149.5 

02:10:00 221.5 127.0 16 4.0 145.0 150.0 

09:11:00 221.0 126.9 I? 5.7 144.2 148.7 

09:12:00 221.2 127.4 18 4.5 144.2 150.2 
Snapshot Values/Averages 

PVR PV RETRIEVAL REGUEST 

LEGEND: ' = Calculated time ' = Time chanced " = HG data * = Less than expected # samples 

DATE/ xBNuzioo BFU155RV KIU211 - KEU240 KTU044 KFU396 

TIME CALC 22 KCFH AC AMPS DC KVOLT DEGF GPM TONS GAS ESP 1205 ESP 1205 OTLT GAS ESP 1205 

12/20/00 

09:12:00 222.5 128.6 22 6.7 144.8 148.8 

09:14:00 224.1 129.1 18 6.6 145.0 148.8 

09:15:00 224.2 129.8 13 5.7 145.3 149.4 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

Values/Averages 

' = Calculated time "" 

XENU300 EFU155RV 

CALC 22 KCFH 

TONS GAS 

= Time chanced " = KIU211 - KEU340 AC AMPS DC KVOLT ESP 1205 ESP 1205 

PV RETRIEVAL 

HG data * = KTU044 

DEGF 

OTLT GAS 

PEeUEST 

Less than expected # KFU296 

GPM 

ESP 1205 

samples 

09:38:00 223.4 120.8 22 6.7 145.3 148.7 / Z. 0.5

09:39:00 222.1 129.5 18 6.9 145.9 149.4 

09:40:00 222.2 129.0 22 6.4 145.6 148.3 

09:41:00 222.5 127.4 19 6.8 145.6 148.7 

09:42:00 221.5 129.8 20 6.2 146.0 148.9 

09:42:00 221.4 130.6 20 6.6 146.0 149.2 

09:44:00 220.5 130.1 20 6.3 146.1 150.3 

07:45:00 220.2 128.9 16 5.8 145.4 149.2 

09:46:00 220.9 123.6 20 7.5 145.1 149.6 

09:47:00 220.5 128.3 20 5.9 144.6 149.1 

09:48:00 220.8 129.1 la 7.2 144.5 149.7 

09:49:00 290.7 129.7 19 6.7 144.5 148.0 

09:50:00 221.0 120.0 21 5.8 144.9 149.5 

09:51:00 221.5 130.7 15 6.0 145.2 149.1 

09:52:00 220.8 131.2 21 7.1 146.1 149.4 

09:52:00 222.1 120.3 21 6.5 146.1 149.4 

09:54:00 220.7 129.9 19 6.2 146.1 149.4 

09:55:00 719.6 129.2 17 6.4 146.0 149.4 

09:56:00 219.1 129.3 22 5.9 146.1 148.6 

09:57:00 212.8 129.3 21 6.9 146.4 143.6 

09:52:00 219.7 129. 9 18 5.5 146.4 148.0 

09:57:00 219.7 127.7 20 6.7. 146.3 148.9 

10:00:00 221.1 129.7 18 4.3 145.4 148.9 

10:01:00 221.0 129.9 17 8.1 145.5 148.8 

10:02:00 222.8 170.4 18 6.7 145.4 148.0 

10:03:00 223.7 126.0 20 7.3 145.2 148.3 

10:04:00 982.9 129.9 16 5.4 145.3 149.2 

10:05:00 222.4 129.3 17 7.1 145.4 149.6 

10:06:00 221.8 129.9 20 5.5 145.2 149.5 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

ValuesfAverages 

' = Calculated time 

XBNU300 BFU155RV CALC 22 KCFH 

TONS GAS 

. Time chang ed " = KIU311 KEU340 AC AMPS DC KVOLT ESP 1205 ESP 1205 

PV RETRIEVAL 

HG data * = KTU044 

DEGF 

OTLT GAS 

REQUEST 

Less than expected 4-1 KFU296 

GPM 

ESP 1205 

samples 

10:07:00 220.4 128.5 22 5.6 146.1 149.2 

10:08:00 218.6 127.4 17 5.2 146.3 149.1 

10:09:00 218.3 127.4 17 6.4 146.1 149.7 

10:10:00 218.4 128.1 17 5.2 146.4 .150.0 

10:11:00 220.6 129.1 19 6.1 146.7 149.6 

10:12:00 221.4 120.0 19 6.0 146.4 148.6 

10:12:00 222.4 130.3 22 6.0 147.0 149.7 

10:14:00 224.7 120.4 17 6.6 146.9 149.4 

10:15:00 225.7 129.9 17 6.4 146.6 149.1 

10:16:00 225.0 129.9 21 4.7 146.0 -147.8 

10:17:00 224.5 127.5 15 6. 2 145.8 149.0 

10:18:00 223.0 128.3 92 4.5 145.5 148.3 

10:19:00 222.2 129.4 15 6.3 145.5 .149.1 

10:20:00 221.2 130.1 16 6.4 145.7 -149.7 

10:21:00 220.8 130.0 19 5.7 146.0 149.4 

10:22:00 220.3 129.0 21 6.4 146.5 147.4 

10:23:00 299 .6 128.3 14 5.1 146.7 -149.7 

10:24:00 222.9 122.2 19 7. 2 146.5 

10:25:00 224.6 129.1 19 6.1 146.1 - .149.5 

10:26:00 225.2 129.8 15 5.5 146.4 150.0 

10:27:00 222.7 127.9 22 7.1 146.1 149.2 

10:22:00 222.6 129.4 le 6.2 146.1 148.5 

1- 0:29:00 220.5 129.4 22 7.2 146.1 149.4 

10:30:00 218.6 128.9 22 6.2 146.4 149.3 

10:21:00 217.4 128.6 23 5.9 145.7 148.9 

10:3E:00 217.5 128.7 12 6.8 145.9 149.4 

10:33:00 219.6 128.8 19 7.2 145.6 148.6 

10:34:00 222.3 129.2 16 5.7 145.3 148.9 

10:35:00 225.4 130.2 16 6.2 145.0 148.2 
Snapshot Values/Averages 

PVR PV RETRIEVAL REQUEST 

LEGEND: ' = Calculated time " = Time changed " = HG data * = Less than expected # samples 

DATE/ XBNU200 BFU155RV KIU311 KEU340 KTU044 KFU396 

TIME CALC 22 KCFH AC AMPS DC KVOLT DEGF GPM 

TONS GAS ESP 1205 ESP 1205 OTLT GAS ESP 1205 

12/20/00 

10:26:00 226.0 130.1 23 6.E 145.3 148.8 

10:37:00 226.7 129.0 19 6.0 145.2 150.0 

10:28:00 224.9 128.3 19 6.0 145.2 149.9 \--6
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

Values/Averaoes 

' = Calculated time 

XBNU200 BFU155RV 

CALC 22 KCFH 

TONS GAS 

= Time changed " = KIU311 KEU340 AC AMPS DC KVOLT ESP 1205 ESP 1205 

PV RETRIEVAL 

HG data * = KTU044 

DEGF 

OTLT GAS 

REQUEST 

Less than expected # samples 

KFU396 

GPM 

ESP 1205 

10:51:00 220.9 120.7 2, 6.2 145-2 148.7 

10:52:00 219.3 130.6 17 6.0 145.7 149.1 

10:53:00 219.0 130.1 21 6.7 146.1 149.7 

10:54:00 220.1 129.2 21 6.9 146.3 149.1 

10:55:00 220.0 128.4 15 .6.5 146.1 142.1 

10:54:00 222.2 127.7 19 6.3 146.1 -147.5 

10:57:00 223.6 128.2 15 5.9 146.0 149.1 

10:58:00 224.6 129.9 21 4.7 145.9 150.0 

10:59:00 224.2 129.2 22 4.1 145.9 149..1 

11:00:00 222.0 129.0 18 5.4 145.6 - 148.7 

11:01:00 221.6 128.7 15 4.0 145.7 -149.8 

11:02:00 221.0 129.0 22 6.1 145.6 -148.3 

11:03:00 270.9 128.3 19 6.2 145.7 150.4 

11:04:00 221.8 128.3 21 6.6 146.1 149.0 

11:05:00 223.0 129.2 le 6.4 146.4 149.5 

11:06:00 223.3 129.3 22 6.6 146.4 150.0 

11:07:00 222.3 128.8 22 6.4 146.2 149.1 

11:08:00 223.4 123.7 14 6.5 146.3 148.9 

11:09:00 221.1 128.7 25 7.0 145.6 149.0 

11:10:00 221.3 129,7 18 4.2 145.9 149.0 

11:11:00 720.5 130.6 15 5.7 145.8 148.0 

11:12:00 219.6 130.7 20 6.6 145.8 147.4 

11:12:00 219.9 129.9 17 6.9 146.2 .148.6 

11:14:00 219.4 120.0 21 4.1 146.5 .149.2 

11:15:00 221.4 130.0 20 5.5 146.4 148.9 

11:16:00 220.9 130.2 20 4.6 146.4 149.7 

11:17:00 222.4 129.8 18 5.6 144.2 148.7 

11:18:00 223.1 130.3 13 6.9 146.i . 150.2 

11:19:00 222.4 129.6 17 5.8 146.0 . 148.1 

" 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/20/00 

Values/Averages 

= Calculated time 

XBNU200 BFU155RV 

CALC 22 KCFH TONS GAS 

= Time changed " = KIU211 KEU240 

AC AMPS DC KVOLT ESP 1205 ESP 1205 

PV RETRIEVAL 

HG data * = KTU044 

DEGF 

OTLT GAS 

REOUEST 

Less than expected # KFU396 

GPM 

ESP 1205 

samples 

11:20:00 221.6 129.3 21 7.2 146.1 150.2 

11:21:00 218.2 122.7 16 6.7 145.3 149.5 

11:22:00 218.0 123.5 16 6.0 146.0 149.6 

11:22:00 219.2 128.7 20 7.1 146.5 149.2 

11:24:00 212.7 129. 9 16 4.9 147.0 149.2 

11:25:00 220.8 130.1 21 4.2 147.3 148.5 

11:26:00 221.6 120.2 15 5.6 147.2 143.3 

11:27:00 222.2 131.1 22 7.3 147.0 148.6 

11:26:00 223.5 120.7 15 5.8 147.0 149.3 

11:29:00 224.0 130.4 14 5.4 146.8 149.0 

11:30:00 223.3 129.1 17 6.4 146.7 149.1 

11:21:00 221.3 123.1 17 4.1 146.7 149.3 

11:32:00 212.5 128.1 16 6. 9 146.4 146.1 

11:22:00 214.5 128.3 21 4.6 146.7 142.0 

11:24:00 216.3 126.5' 16 5.4 146.9 148.3 

11125:00 214.3 128.5 20 6.2 147.0 149.4 

11:26:00 212.2 126.4 16 5.5. 146.8 150.4 

11:27:00 220.2 126.6 13 6.3 144.7 149.5 

11:28:.00 221.8 127.7 21 4.; 146.7 149.0 

11:39:00 224.1 129.8 15 5.0 144.4 150.2 

11 , 40:00 222.7 129.1 14 4.1 144.5 149.2 

11:41:00 222.9 128.6 la 5.9 146.7 149.1 

11:42:00 222.9 126.6 16 6.7 146.7 143.6 

11:42:00 221.3 127.5' 21 6.0 146.5 143.9 

1144:00 ' 218.8 127.9 20 6.7 146.9 150.0 

11:45:00 212.2 127.3 17 6.5 144.4 149.5 

11:46:00 219.2 127.4 19 5.9 146.1 146.6 

11:47:00 221.0 127.9 16 6.5 146.4 142.6 

11:42:00 295.1 128.6 19 6.2 146.4 149.5 
Snapshot 

PVR 

LEGEND: 

Values/Averages 

' = Calculated time ''' = Time changed " = 

PV RETRIEVAL 

HG data * = 

REGUEST 

Less than expected 8 samples 

DATE/ XBNU300 BFU155RV KIU211 - KEU340 KTU044 KFU396 

TIME CALC 22 KCFH AC AMPS DC KVOLT DEGF GPM 

TONS GAS ESP 1205 ESP 1205 OTLT GAS ESP 1205 

12/20/00 

11:49:00 227.3 129.2 15 4.8 146.1 149.1 

11:50:00 226.9 129.0 21 7.0 146.2 148.6 

11:51:00 225.9 128.7 18 5.1 146.4 149.4 

11:52:00 223.0 128.3 24 7.6 146.1 149.7 

11:53:00 220.5 128.5 19 5.8 145.9 149.4 

11:54:00 215.0 122.6 16 6.0 146.3 148.9 

11:55:00 2 18.4 128.7 17 6.5 146.5 148.9 

11:56:00 220.9 129.2 15 5.2 146.7 149.4 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/21/00 

Values/Averages 

= Calculated time VNU300 VEU155 LTPH KCFH 921 CONY #6 MAIN = Time changed " = VEU327 VFU392 VOLTS GPM 602 VOLT 602 FLOW 

PV RETRIEVAL 

HG data * = VIU302 

AMPS 

602 AC 

REQUEST 

Less than expected VTU041 

DEGF 

602 ETCH 

9 samples 

11:40:00 122.1 70 1 148 4 124 

11:41:00 120.1 70 1 142 6 124 

11:42:00 

11:43:00 

122.6 

124.3 

70 

70 

1 

1 

149 

149 

7 

5 

124 

124 

1.1 11:44:00 127.5 70 1 149 6 124 

11:45:00 127.7 70 1 149 6 124 

11:46:00 129.4 71 0 150 3 124 

11:47:00 129.2 72 1 148 124 

11:48:00 124.8 72 1 147 6 124 

11:49:00 ' 128.0 72 1 147 5 124 

11:50:00 124.2 72 1 150 6 124 

11:51:00 121.9 72 1 148 5 124 

11:52:00 126.5 72 1 149 6 124 

11:53:00 122.2 7 2 1 148 6 124 

11:54:00 121.6 72 1 149 6 124 

11:55:00 124.4 72 1 149 5 124 

11:58:00 121.2 72 1 148 4 124 

11:57:00 127.4 72 1 148 4 124 

11:56:00 1 97.2 72 1 148 5 124 

11:59:00 127.9 72 1 149 4 124 

12:00:00 127.6 7" 1 147 3 124 

13:01:00 121.3 72 1 142 5 124 

12:02:00 125.2 73 1 147 4 124 

12:03:00 124.1 72 1 150 5 125 

12:04:00 123.2 73 1 142 6 124 

12:05:00 1 94.2 73 1 148 7 124 

12:06:00 122.4 73 1 150 a 124 

12:07:00 131.6 72 1 149 4 124 

12:08:00 6.5 42 1 148 9 124 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/21/00 

Values/Averages 

= Calculated time " VNU300 VFU155 LTPH KCFH *21 CONV *6 MAIN = Time chanced " = VEU227 VFU392 VOLTS GPM 402 VOLT 602 FLOW 

PV RETRIEVAL 

HG data * = VIU308 

AMPS 

602 AC 

REQUEST 

Less than expected VTU041 

DEGF 

602 STCK 

* samples 

12:09:00 0.1 0 1 148 4 120 

12:10:00 —0.0 —0 1 149 2 117 (Loc) 12:11:00 —0.1 0 1 148 6 115 

12:12:00 —0.1 0 1 148 ' 5 114 

12:13:00 —0.1 -0 1 148 4 114 

12:14:00 —0.1 —0 1 142 5 114 

12:15:00 —0.1 0 0 150 4 115 

12:16:00 —0.1 28 1 143 4 115 

12:17:00 112.0 64 1 149 6 117 

12:18:00 27.9 69 1 148 4 120 

12:19:00 122.2 76 1 147 6 123 

12:20:00 109.9 74 1 147 s 123 

12:21:00 112.2 74 1 142 6 124 

12:22:00 112.4 73 1 149 4 124 

12:22:00 113.8 72 1 142 4 124 

12:24:00 121.7 67 1 148 4 124 

12:25:00 124.8 65 1 149 4 124 

12:26:00 124.7 62 1 147 6 134 

12:27:00 124.4 62 1 148 5 125 

12:23:00 140.0 62 1 150 4 125 

12:29:00 129.4 63 2 148 6 125 

12:20:00 125.7 62 1 149 5 125 

12:21:00 139.2 64 1 149 4 125 

12:22:00 120.5 45, 1 151 5 125 

12:23:00 119.1 48 1 149 5 125 

12:24:00 116.5 49 0 149 3 125 

1 2 :5:00 110.7 70 1 149 3 125 

12:26:00 110.7 71 1 149 a 125 

12:37:00 114.0 71 1 149 4 125 
Snapshot Values/Averages 

PvR PV RETRIEVAL REQUEST 

LEGEND: ' = Calculated time "" = Time chanced " HG data * = Less than expected # samples DATE/ VNU300 VEU155 VEU227 - VFU392 VIU208 VTU041 TIME LTPH KCFH VOLTS GPM AMPS DEGF 421 CONV 66 MAIN 602 VOLT 602 FLOW 602 AC 602 STCK 

12/21/00 G

12:33:00 117.7 72 1 147 4 125 

12:39:00 120.8 72 1 143 125 

12:40:00 124.6 73 1 150 125 
Snapshot 

FVR 

LEGEND: 

DATE/ 

TIME 

12/21/00 

Values/Averages 

= Calculated time VNU200 VFU155 LTPH KCFH #21 CONV #6 MAIN 

= Time changed " = VE0237 VFU293 VOLTS GPM 402 VOLT 602 FLOW 

PV RETRIEVAL 

HG data * = VIU208 

AMPS 

602 AC 

REGUEST 

Less than expected # VTU041 

DEGF 

402 :TICK 

samples 

13:10:00 126.6 74 1 148 4 124 

13:11:00 122.3 75 1 148 6 124 

12:12:00 126.5 75 1 148 4 124 

12:13:00 129.5 75 1 149 7 124 

12:14:00 120.2 75 1 149 2 124 

12:15:00 120.0 75 1 150 5 124 

13:16:00 129.2 75 1 148 5 124 

13:17:00 127.4 75 -1 4 124 

13:18:00 124.4 75 1 149 2 124 

13:19:00 124.1 75 1 _ 148 7 124 

12:20:00 123.7 75 1 142 6 124 

13:21:00 122.2 75 1 149 4 123 

13:22:00 120.9 75 1 148 5 122 

12:22:00 119.7 75 1 149 5 123 

12:24:00 119.3 75 1 147 4 123 

12:25:00 119.2 75 1 149 5 124 

12:26:00 119.4 75 1 147 4 124 

12:27:00 1 62.2 75 . 1 148 3 124 

13:28:00 1 64.8 75 1 146 4 124 

13:27:00 125.9 75 1 149 4 124 

12:30:00 121.4 75 147 7 124 

13:21:00 130.4 75 1 147 4 124 

T2:32:00 128.7 74 146 5 124 

12:32:00 129.2 73 143 6 124 

12:34:00 121.1 72 1 148 5 124 

13:35:00 128.0 72 1 148 5 124 

13:26:00 126.6 72 2 148 4 124 

13:37:00 '129.0 71 1 150 5 124 

13:28:00 125.1 71 168 6 1 64 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/21/00 

Values/Averages 

' = Calculated time 

VN1JS00 VEU155 

LTPH KCFH 

#21 CONV 96 MAIN 

= Time changed ", = YE USS7 %/FUSS'S VOLTS GPM 602 VOLT 602 FLOW 

PV RETRIEVAL 

HG data ,oe * = 

AMPS 

602 AC 

REQUEST 

Less than expected 9 

VTU041 

DEGF 

602 STCK 

samples 

13:39:00 154.7 71 1 150 3 124 

13:40:00 121.5 71 1 147 3 124 c,(9) 13:41:00 123.0 71 1 149 6 124 

12:42:00 125.3 71 1 149 5 124 

13:43:00 122-6 71 1 142 124 

13:44:00 126.3 71 1 142 4 124 

13:45:00 127-0 71 1 149 4 124 

13:46:00 128.5 71 1 148 4 124 

13:47:00 127-6 71 1 148 4 124 , 

13:43:00 129.1 73 1 149 7 124 

13:49:00 127.0 73 1 149 6 124 

126.7 73 1 149 6 124 

13:51:00 129.4 72 2 148 2 124 

13:52:00 120.1 72 1 142 6 124 

13:53:00 122.2 73 1 148 6 124 

13:54:00 130.9 72 2 148 4 124 

13:55:00 131.5 73 0 142 124 

13:56:00 127.8 7f 1 149 124 

126.8 73 1 148 4 124 

12:58:00 127.9 72 1 1 48 4 124 

1 72.4 7? 1 149 6 124 

14:rn•rn 123.0 72 1 '148 6 124 

14:01:00 124.2 77 1 147 2 124 

14:02:00 124.2 73 2 147 124 

14:02:00 126.1 72 1 146 124 

14:04:00 129.7 72 1 149 4 124 

14:05:00 127.0 72 1 148 124 

14:06:00 120.4 72 1 149 5 124 

14:07:00 122.0 72 1 148 7 124 
Snaoshot Values/Averages 

PVR PV RETRIEVAL REOUEST 

LEGEND: ' = Calculated time = Time chancled " = HG data * = Lass than e eected 

DATE/ VNU300 VF1J155 VEU337 - VEU393 VIUMS VTU041 

TIME LTPH KCFH VOLTS GPM AMPS DEGF 

* samPles 

12/21/00 

#21 CONV #6 MAIN 602 VOLT 602 FLOW 602 AC 602 STCK 

14:08:00 129.6 72 1 149 5 124 

14:09:00 128.5 72 1 150 7 124 &0> 1410:00 127.0 72 1 140 5 124 
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/21/00 

14:22:00 

14:23:00 

14:24:00 

14:25:00 

14:26:00 

14:27:00 

14:23:00 

14:29:00 

14:30:00 

14:31:00 

14:32:00 

14:32:00 

•4:34:00 

14:25:00 

14:26:00 

14:37:00 

14:38:00 

14:39:00 

14:40:00 

14:41:00 

14:42:00 

14:43:00 

14:44:00 

14:45:00 

14:46:00 

14:47:00 

14:42:00 

14:49:00 

14:50:00 

Values/Averages 

' = Calculated time "' 

VNU300 VFU155 

LTPH KCFH 

921 CONV #6 MAIN 

127.0 71 

123.0 71 ' 

128.3 71 

125.4 72 

128.1 72 

127.9 72 

127.3 72 

123.1 72 

128.5 72 

130.8 72 

127.2 72 

120.1 72 

127.2 72 

126.3 72 

128.2 72 

127.1 72 

127.2 72 

128.1 72 

127.4 72 

127.2 72 

131.2 72 

129.0 72 

132.0 72 

129.7 72 

130.4 79 

127.7 72 

129.7 72 

1 92.4 72 

127.7 72 

= Time chanced " = VEU337 VFU392 

VOLTS GPM 602 VOLT, 402 FLOW 

1 147 

1 147 

1 149 

1 149 

1 147 

1 148 

1 149 

1 150 

1 150 

1 142 

1 148 

a 147 

1 148 

1 149 

1 146 

1 143 

1 149 

1 142 

1 149 

1 147 

2 149 

1 146 

1 147 

147 

2 147 

1 149 

1 142 

1 148 

1 150 

PV RETRIEVAL 

MG data * = 

vIu30e 

AMPS 

402 AC 

6 

5 

/, 

4 

5 

4 

4 

8 

4 

4 

7 

4 

4 

4 

5 

7 

5 

4 

5 

6 

5 

4 

6 

5 

5 

5 

4 

5 

4 

REGUEST 

Less than expected 

VTU041 

DEGF 

602 STCK 

124 

124 

124 

124 

124 

124 

124 

•24 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

124 

# samples 

(0
Snapshot 

PVR 

LEGEND: 

DATE/ 

TIME 

12/21/00 

Values/Averages 

' = Calculated time 

VNU200 VFU155 

LTPH 1-(CFH 

#21 CONV #A MAIN 

= Time changed " = VEU227 - VFU392 

VOLTS GPM 

602 VOLT 602 FLOW 

PV RETRIEVAL 

MG data * = VIU202 

AMPS 

602 AC 

REGUEST 

Less than expected 

VTU041 

DEGF 

602 STCK 

it samples 

14:51:00 129.7 72 1 142 4 124 

14:52:00 

14:53:00 

127.1 

129. 9 

72 

72 

1 

1 

148 

148 

7 

6 

124 

124 (,c

14:54:00 131.1 72 '1 150 4 124 

14:55:00 131.1 72 1 148 4 124 

14:56:00 130.7 72 2 149 6 124 

14:57:00 132.3 72 1 147 4 124 

14:58:00 130.0 72 1 142 4 124 

14:59:00 129.2 72 2 148 6 124 

15:00:00 127.9 72 1 148 4 124 

15:01:00 127.9 72 1 147 6 124 

15:02:00 122.5 72 1 142 7 124 

15:03:00 127.5 79 1 149 7 124 

15:04:00 129.3 72 2 148 6 124 

15:05:00 129.1 72 1 149 7 124 

15:06:00 123.4 79 1 149 5 124 

15:07:00 129.6 79 1 142 4 124 

15:09:00 130.7 72 1 149 6 124 

15:09:00 131.4 72 1 149 5 124 

15:10:00 130.9 71 -1 148 4 124 

15:11:00 129.3 71 1 149 4 124 

15:12:00 130.1 71 1 148 5 124 

15:13:00 127.5 71 1 149 5 124 

15:14:00 126.1 72 2 148 5 124 

15:15:00 127.5' 72 1 147 6 124 

15:16:00 127.2 72 1 148 6 124 

15:17:00 129.5 71 1 143 6 124 

15:12:00 132.9 71 1 147 a 124 

15:19:00 131.1 71 1 148 4 124 
Appendix G 

Stack Test Plan 
Northshore Mining Company 

E.W. Davis Works 

Engineering Test Plan 

Part I. General Information 

Test Plan Date: December 5 th, 2000 

Test Date: December 14th— 15 th, 2000 

Name and Address of Emission Facility: Northshore Mining Company 

10 Outer Drive 

Silver Bay, MN 55614 

Permittee Contact Person: Dennis Wagner 

(218) 226-6056 

Permit File Number: 27A-89-0T-1 

Independent Testing Company: Barr Engineering, Inc. 

Contact Person: Tim Russell 

(952) 832-2630 

Sources to be tested: 

Note: Multiple Emission sources are listed below as they represent identical control equipment in identical operating 

conditions. One stack from each group will be used for testing. The actual stack used will be determined based on 

conditions of test ports on the stacks. 

Emission Source 101, 102 or 103 

Emission Source 106 or 107 

Emission Source 261, 262 or 263 

Pelletizing Furnace 12 Hood Exhaust WWESP (1201, 1202, or 1203) 

Pelletizing Furnace 12 Waste Gas WWESP (1204 or 1205) 

Pelletizing Furnace 6 Hood Exhaust/Waste Gas WWESP (601, 602 or 603) 

Reason for testing: Development of current emission factors 

Physical descriptions of emissions points: Drawings of emission control points are attached for Agency review. 

Part IL Testing Requirements 

Emission Source Pollutant Emission 

Limit 

Method 

i 

EPA Method 7 

Run 

Length 

Furnace 12 Hood 60 min 

Exhaust 

Nitrogen Oxides 

(outlet only) 

none 

Furnace 12 Waste 

Gas 

Nitrogen Oxides 

(outlet only) 

none EPA Method 7 60 min 

Furance 6 Hood 

Exhaust/Waste 

Gas 

Nitrogen Oxides 

(outlet only) 

none EPA Method 7 60 min 
Part III. Operating Conditions 

Emission Source 101/102/103 

Process Equipment: 

Process Operating Rate During Test: 

Control Equipment: 

Control Equipment Operating Parameters: 

Rationale for Worst Case: 

Normal Operating Range: 

Air Pollution Control & Process Monitoring: 

Emission Source 106/107: 

Process Equipment: 

Process Operating Rate During Test: 

Control Equipment: 

Control Equipment Operating Parameters: 

Rationale for Worst Case: 

Normal Operating Range: 

Air Pollution Control & Process Monitoring: 

Pelletizing furnace hood exhaust 

Normal 230 LTPH 

Wet Wall Electrostatic Precipitators 

Secondary volts, primary amperes, spark rates and water flow 

None 

74,100 ACFM @ 150°F 

Tons processed during test period will be recorded as will the 

above operating parameters for the WWESP. 

Pelletizing furnace waste gas 

Normal 230 LTPH 

Wet Wall Electrostatic Precipitators 

Secondary volts, primary amperes, spark rates and water flow 

None 

93,000 ACFM @ 150°F 

Tons processed during test period will be recorded as will the 

above operating parameters for the WWESP. 

Emission Source 261/262/263.. 

Process Equipment: 

Process Operating Rate During Test: 

Control Equipment: 

Control Equipment Operating Parameters: 

Rationale for Worst Case: 

Normal Operating Range: 

Air Pollution Control & Process Monitoring: 

Pelletizing furnace hood exhaust/waste gas 

Normal 100 LTPH 

Wet Wall Electrostatic Precipitators 

Secondary volts, primary amperes, spark rates and water flow 

None 

78,500 ACFM @ 150°F 

Tons processed during test period will be recorded as will the 

above operating parameters for the WWESP. 
Part IV. Test Methods 

A. EPA Method 1 for the location of sampling points and points. Location of the sampling ports must be 

approved before the test. 

B. . EPA Method 2 for velocity and volumetric flow rate. Three determinations: One measurement concurrently 

with each test run for pollutant. 

C. EPA Method 3 for gas analysis determination of dry molecular weight. Three determinations: One 

measurement on an integrated sample taken concurrently with each test run for pollutant. 

D. EPA Method 4 for the deteimination of moisture in the flue gases. Three determinations: One measurement 

concurrently with each test for pollutant. 

E. EPA Method 7E for determination of Nitrogen Oxides. Three determinations per emission source at 60 

minutes per run. 

Part V. CEMS Relative Accuracy: 

Not Applicable 

Part VI. Other 

A. Pollutants will be reported as ppm, dry and lb/hour. 

B. Description and date of last maintenance work done before the test. This information will be supplied as a part 

of the test report. 

C. One complete test report will be submitted within 60 days after the date of the test. 

D. One microfiche copy of the report will be submitted within 105 days after the date of the test. 
Appendix H 

Project Participants 
Project Participants 

Minnesota Pollution Control Agency 

Stuart Arkley - Performance Test Coordinator 

Northshore Mining — E.W. Davis Works 

Dennis Wagner 

Scott Gischia 

Barr Engineering Co. 

Tim Russell - Vice President / Chemical Engineer 

Curt Stock — Senior Stack Test Scientist/Project Manager 

Dan Koschak - Stack Testing Technician