Name: Mr. Jason White

Title: Environmental Compliance Specialist, 

Company: Minnesota Power

Sign Date:

Name: Mr. Anthony Sakellariou

Title: Lead Field Engineer

Company: GE International, Inc.

Sign Date: 7/30/2010

Permitted Facility Representative / Date Testing Company Representative / Date

Minnesota Power

Final Test Report 

for

/ /

Based on information and belief formed 

after reasonable inquiry, I certify that the 

statements and information in this test 

report are true, accurate, and complete.

I have reviewed all testing details and 

results in this test report and hereby 

certify that the test report is authentic 

and accurate.

Tuesday, February 08, 2011 Page 1 of 12
Minnesota Power

Facility Information:

Minnesota Power - Taconite Harbor Energy 

8124 Highway 61 West

Schroeder, Cook Co MN 55613

Contact: Mr. Jason White

Phone: 218-722-5642

Fax: 218-722-5642

Email: jwhite@mnpower.com

Testing Company:

GE International, Inc.

888 Industrial Drive

Elmhurst IL 60126

Contact:Mr. Anthony Sakellariou

Phone: 630-530-6689

Fax: 630-530-6630

Email: anthony.sakellariou@ge.com

Air Permit Number:

03100001-006

Permitted Source ID/Name:

SV001 EU001 Taconite Harbor Energy Center

Permitted Maximum Process Rate:

N/A

Max. Normal Operation Process Rate:

847 MMBtu/hr

Target Process Test Rate

N/A

Description of the source (including control equipment). Please see the attachments for source or

 process flow diagram:

Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information:

AFS #: 2703100001 FRS #: 110006367172

SCC / Description 10100203 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous 

Coal - Cyclone Furnace (Bituminous Coal) 

The following state and federal regulations that apply to the proposed testing:

Location

Round

Duct

Diam.

Distance from 

upstream dist.

Distance from

downstream dist.

Number of

Traverse Ports

Equiv. 

Diam

Min.Travers 

Points

Rect. Duct 

Length /Width

Unit 1 Stack 120 0 0 0 1044 1380 2 24

Unit 1 Stack 

(A)

120 0 0 0 1044 1380 2 24

Target

Parameter 

Test

Method

Number of

Test Runs

Test Run

Duration

Sample 

Location Points Comments

Inorganic (Aqueous) 

Condensible Part.

Unit 1 Stack OTM - 27/28 3 370 0

(A)

Unit 1 Stack Total Particulate OTM - 27/28 3 370 0

(A)

Organic Condensible 

Particulate

Unit 1 Stack OTM - 27/28 3 370 0

(A)

Tuesday, February 08, 2011 Page 2 of 12
Minnesota Power

The following describes any modifications and/or deviations to the applicable test 

methods. If alternative methods were requested, see the attachments for documentation 

of request AND approval, including dates.

Unit 1 Stack Filterable Particulate OTM - 27/28 3 370 0

(A)

Unit 1 Stack Total PM2.5 OTM - 27/28 3 370 0

(A)

Unit 1 Stack Filterable PM2.5 OTM - 27/28 3 370 0

(A)

Unit 1 Stack O2 Method 3A O2 3 300 0

(A)

Unit 1 Stack Co2 Method 3A CO2 3 300 0

(A)

Unit 1 Stack Cadmium Method 29 3 240 0

Unit 1 Stack Selenium Method 29 3 240 0

Unit 1 Stack Nickel Method 29 3 240 0

Unit 1 Stack Manganese Method 29 3 240 0

Unit 1 Stack Antimony Method 29 3 240 0

Unit 1 Stack Arsenic Method 29 3 240 0

Unit 1 Stack Cobalt Method 29 3 240 0

Unit 1 Stack Beryllium Method 29 3 240 0

Unit 1 Stack Lead Method 29 3 240 0

Unit 1 Stack Mercury Method 29 3 240 0

Unit 1 Stack Chromium Method 29 3 240 0

Unit 1 Stack Co2 Method 3A CO2 3 300 0

Unit 1 Stack O2 Method 3A O2 3 300 0

Unit 1 Stack Filterable Particulate Method 5 3 240 0

Tuesday, February 08, 2011 Page 3 of 12
Minnesota Power

Sampling / Stack Data Results Summary

Location Unit 1 Stack - Method 29

Average

Run Number 1 2 3

Test Date 5/18/2010 5/19/2010 5/19/2010

Run Start Time 12:20:00 PM 9:25:00 

AM

3:50:00 PM

Run Finish Time 4:25:00 PM 1:30:00 PM 7:53:00 PM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 119.272 124.892 124.983 123.049

Moisture Content of Stack Gas, % 11.34 11.38 11.39 11.370

Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000

Carbon Dioxide, % 14 14.3 14.3 14.200

Oxygen, % 6.3 6 6.1 6.133

Average Stack Gas Temperature, °F 377.27 373.19 383.31 377.923

Dry Volumetric Flow Rate, dry scfm 181,908.7 184,303.3 184,508.1 183,573.367

Actual Wet Volumetric Flue Gas Flow Rate, acfm 335,098.8 339,292.8 344,429.3 339,606.967

Percent Isokinetic of Sampling Rate, % 101.4 101.6 101.6 101.533

F-Factor, dscfm/MMBtu @ %O2 8636 7992 7992 8,206.667

Fw 0 0 0 0.000

Fc 1810 1669 1669 1,716.000

Tuesday, February 08, 2011 Page 4 of 12
Minnesota Power

Location Unit 1 Stack - Method 5

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Net Run Time, minutes

Dry Gas Meter Volume Sampled, dscf

Moisture Content of Stack Gas, %

Moisture Saturation at Stack Gas Temperature, %

Carbon Dioxide, %

Oxygen, %

Average Stack Gas Temperature, °F

Dry Volumetric Flow Rate, dry scfm

Actual Wet Volumetric Flue Gas Flow Rate, acfm

Percent Isokinetic of Sampling Rate, %

F-Factor, dscfm/MMBtu @ %O2

Fw

Fc

Location Unit 1 Stack (A) - OTM - 27/28

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Net Run Time, minutes

Dry Gas Meter Volume Sampled, dscf

Moisture Content of Stack Gas, %

Moisture Saturation at Stack Gas Temperature, %

Carbon Dioxide, %

Oxygen, %

Average Stack Gas Temperature, °F

Dry Volumetric Flow Rate, dry scfm

Actual Wet Volumetric Flue Gas Flow Rate, acfm

Percent Isokinetic of Sampling Rate, %

F-Factor, dscfm/MMBtu @ %O2

Fw

Fc

Tuesday, February 08, 2011 Page 5 of 12
Minnesota Power

Emissions Summary

Location: Unit 1 Stack - Method 29

Compound: Antimony

Average

RunNumber 1 2 3

Mass_mg 0.004 0.004 0.004 0.004

lb/mmBtuO2 9.14E-07 7.92E-07 7.96E-07 0.000

Compound: Arsenic

Average

RunNumber 1 2 3

Mass_mg 0.00597 0.00567 0.00637 0.006

lb/mmBtuO2 1.36E-06 1.12E-06 1.27E-06 0.000

Compound: Beryllium

Average

RunNumber 1 2 3

Mass_mg 0.001 0.001 0.001 0.001

lb/mmBtuO2 2.29E-07 1.98E-07 1.99E-07 0.000

Compound: Cadmium

Average

RunNumber 1 2 3

Mass_mg 0.001 0.00128 0.001 0.001

lb/mmBtuO2 2.29E-07 2.53E-07 1.99E-07 0.000

Compound: Chromium

Average

RunNumber 1 2 3

Mass_mg 0.00561 0.00541 0.00601 0.006

lb/mmBtuO2 1.28E-06 1.07E-06 1.20E-06 0.000

Compound: Cobalt

Average

RunNumber 1 2 3

Mass_mg 0.00325 0.00302 0.00347 0.003

lb/mmBtuO2 7.43E-07 5.98E-07 6.91E-07 0.000

Compound: Lead

Average

RunNumber 1 2 3

Mass_mg 0.01011 0.01181 0.00769 0.010

lb/mmBtuO2 2.31E-06 2.34E-06 1.53E-06 0.000

Compound: Manganese

Average

RunNumber 1 2 3

Mass_mg 0.02417 0.02217 0.02717 0.025

lb/mmBtuO2 5.52E-06 4.39E-06 5.41E-06 0.000

Compound: Mercury

Average

Tuesday, February 08, 2011 Page 6 of 12
Minnesota Power

RunNumber 1 2 3

Mass_mg 0.02551 0.03296 0.02412 0.028

lb/mmBtuO2 5.83E-06 6.52E-06 4.80E-06 0.000

Compound: Nickel

Average

RunNumber 1 2 3

Mass_mg 0.00824 0.00764 0.00844 0.008

lb/mmBtuO2 1.88E-06 1.51E-06 1.68E-06 0.000

Compound: Selenium

Average

RunNumber 1 2 3

Mass_mg 0.0189 0.0256 0.0224 0.022

lb/mmBtuO2 4.32E-06 5.07E-06 4.46E-06 0.000

Location: Unit 1 Stack - Method 5

Compound: Filterable Particulate

Average

RunNumber 1 2 3

Mass_mg 91.9 90 96.8 92.900

lb/mmBtuO2 2.10E-02 1.78E-02 1.93E-02 0.019

Location: Unit 1 Stack (A) - OTM - 27/28

Compound: Filterable Particulate

Average

RunNumber 1 2 3

Mass_mg 101.9 95.5 103.8 100.400

lb/mmBtuO2 1.96E-02 2.10E-02 2.18E-02 0.021

Compound: Filterable PM2.5

Average

RunNumber 1 2 3

Mass_mg 60.7 61 71.7 64.467

lb/mmBtuO2 1.17E-02 1.34E-02 1.50E-02 0.013

Compound: Inorganic (Aqueous) Condensible Pa

Average

RunNumber 1 2 3

Mass_mg 35.54 29.74 30.34 31.873

lb/mmBtuO2 6.83E-03 6.55E-03 6.36E-03 0.007

Compound: Organic Condensible Particulate

Average

RunNumber 1 2 3

Mass_mg 4.36 2.26 2.46 3.027

lb/mmBtuO2 8.38E-04 4.98E-04 5.16E-04 0.001

Compound: Total Particulate

Average

RunNumber 1 2 3

Mass_mg 141.8 127.5 136.6 135.300

lb/mmBtuO2 2.73E-02 2.81E-02 2.86E-02 0.028

Tuesday, February 08, 2011 Page 7 of 12
Minnesota Power

Process Run Data

Compound: Total PM2.5

Average

RunNumber 1 2 3

Mass_mg 100.6 93 104.5 99.367

lb/mmBtuO2 1.93E-02 2.05E-02 2.19E-02 0.021

Tuesday, February 08, 2011 Page 8 of 12
Minnesota Power

Process Run Data

APCD Run Data

Process Lab Run Data

Run Name Value UOM Comments

Target

Value

1 Heat Input 830.35 MMBtu/hr 0 Method 5/29

1 Heat Input 826.06 MMBtu/hr 0 OTM-27/OTM-28

1 Gross Megawatts 73.6 MW 0 OTM-27/OTM-28

1 Gross Megawatts 70.7 MW 0 Methot 5/29

2 Heat Input 831.75 MMBtu/hr 0 Method 5/29

2 Heat Input 818.7 MMBtu/hr 0 OTM-27/OTM-28

2 Gross Megawatts 71.8 MW 0 OTM-27/OTM-28

2 Gross Megawatts 73.6 MW 0 Method 5/29

3 Heat Input 823.7 MMBtu/hr 0 Method 5/29

3 Heat Input 817.36 MMBtu/hr 0 OTM-27/OTM-28

3 Gross Megawatts 70.7 MW 0 OTM-27/OTM-28

3 Gross Megawatts 72.5 MW 0 Method 5/29

1 Coal Firing Rate 0.0422 1000 ton/hr 0 OTM-27/OTM-28

2 Coal Firing Rate 0.041 1000 ton/hr 0 OTM-27/OTM-28

3 Coal Firing Rate 0.0401 1000 ton/hr 0 OTM-27/OTM-28

1 Coal Firing Rate 0.0401 1000 ton/hr 0 Method 5/29

2 Coal Firing Rate 0.0418 1000 ton/hr 0 Method 5/29

3 Coal Firing Rate 0.0414 1000 ton/hr 0 Method 5/29

Run Name Value UOM Comments

Target

Value

1 ELECTROSTATIC PRECIPITATOR 0 0

1 SELECTIVE NONCATALYTIC REDUCTION 

FOR NOX

0 0

1 MISCELLANEOUS CONTROL DEVICES 0 0

Tuesday, February 08, 2011 Page 9 of 12
Minnesota Power

Sampling / Stack Data Results Detail

Location Unit 1 Stack - Method 29

Average

Run Number 1 2 3

Test Date 5/18/2010 5/19/2010 5/19/2010

Run Start Time 12:20:00 PM 9:25:00 AM 3:50:00 PM

Run Finish Time 4:25:00 PM 1:30:00 PM 7:53:00 PM

Net Traversing Points 48 48 48

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.197 0.2 0.2 0.199

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 0.992 0.992 0.992 0.992

Barometric Pressure, inches of Mercury 29.11 29 28.95 29.020

Average Orifice Meter Differential, inches H2O 0.92 0.97 1.02 0.970

Dry Gas Meter Volume Sampled, cubic feet 126.585 130.306 134.958 130.616

Average Dry Gas Meter Temperature, °F 82.10 70.98 88.66 80.580

Dry Gas Meter Volume Sampled, dscf 119.272 124.892 124.983 123.049

Total Moisture Liquid collected, g 324 340.5 341.4 335.300

Volume of Water Vapor, standard cubic feet 15.25 16.03 16.07 15.783

Moisture Content of Stack Gas, % 11.34 11.38 11.39 11.370

Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000

Dry Mole Fraction 0.8866 0.8862 0.8861 0.886

Carbon Dioxide, % 14 14.3 14.3 14.200

Oxygen, % 6.3 6 6.1 6.133

Carbon Monoxide & Nitrogen, % 79.7 79.7 79.6 79.667

Fuel Factor 1.04 1.04 1.03

Dry Molecular Weight, lb/lb-Mole 30.49 30.53 30.53 30.517

Wet Molecular weight, lb/lb-Mole 29.07 29.10 29.10 29.090

Flue Gas Static Pressure, inches of H2O -0.8 -0.8 -0.8 -0.800

Absolute Flue Gas Pressure, inches of Mercury 29.05 28.94 28.89 28.960

Average Stack Gas Temperature, °F 377.27 373.19 383.31 377.923

Average Velocity Head, inches of H2O 0.9889238385

06291

1.016160349

35011

1.032738064

9776

1.013

Average Stack Gas Velocity, feet/second 71.11 72.00 73.09 72.067

Stack Cross-Sectional Area, square feet 78.540 78.540 78.540 78.540

Dry Volumetric Flow Rate, dry scfm 181,908.7 184,303.3 184,508.1 183,573.367

Actual Wet Volumetric Flue Gas Flow Rate, acfm 335,098.8 339,292.8 344,429.3 339,606.967

Percent Isokinetic of Sampling Rate, % 101.4 101.6 101.6 101.533

Percent Excess Air, % 42.7 39.9 40.9 41.167

F-Factor, dscfm/MMBtu @ %O2 8636 7992 7992 8,206.667

Round Duct Diameter, inches 120 120 120

Rectangular Duct Width, inches 0 0 0

Rectangular Duct Length, inches 0 0 0

Fw 0 0 0 0.000

Fc 1810 1669 1669 1,716.000

Tuesday, February 08, 2011 Page 10 of 12
Minnesota Power

Location Unit 1 Stack - Method 5

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Net Traversing Points

Net Run Time, minutes

Nozzle Diameter, inches

Pitot Tube Coefficient

Dry Gas Meter Calibration Factor

Barometric Pressure, inches of Mercury

Average Orifice Meter Differential, inches H2O

Dry Gas Meter Volume Sampled, cubic feet

Average Dry Gas Meter Temperature, °F

Dry Gas Meter Volume Sampled, dscf

Total Moisture Liquid collected, g

Volume of Water Vapor, standard cubic feet

Moisture Content of Stack Gas, %

Moisture Saturation at Stack Gas Temperature, %

Dry Mole Fraction

Carbon Dioxide, %

Oxygen, %

Carbon Monoxide & Nitrogen, %

Fuel Factor

Dry Molecular Weight, lb/lb-Mole

Wet Molecular weight, lb/lb-Mole

Flue Gas Static Pressure, inches of H2O

Absolute Flue Gas Pressure, inches of Mercury

Average Stack Gas Temperature, °F

Average Velocity Head, inches of H2O

Average Stack Gas Velocity, feet/second

Stack Cross-Sectional Area, square feet

Dry Volumetric Flow Rate, dry scfm

Actual Wet Volumetric Flue Gas Flow Rate, acfm

Percent Isokinetic of Sampling Rate, %

Percent Excess Air, %

F-Factor, dscfm/MMBtu @ %O2

Round Duct Diameter, inches

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw

Fc

Tuesday, February 08, 2011 Page 11 of 12
Minnesota Power

Location Unit 1 Stack (A) - OTM - 27/28

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Net Traversing Points

Net Run Time, minutes

Nozzle Diameter, inches

Pitot Tube Coefficient

Dry Gas Meter Calibration Factor

Barometric Pressure, inches of Mercury

Average Orifice Meter Differential, inches H2O

Dry Gas Meter Volume Sampled, cubic feet

Average Dry Gas Meter Temperature, °F

Dry Gas Meter Volume Sampled, dscf

Total Moisture Liquid collected, g

Volume of Water Vapor, standard cubic feet

Moisture Content of Stack Gas, %

Moisture Saturation at Stack Gas Temperature, %

Dry Mole Fraction

Carbon Dioxide, %

Oxygen, %

Carbon Monoxide & Nitrogen, %

Fuel Factor

Dry Molecular Weight, lb/lb-Mole

Wet Molecular weight, lb/lb-Mole

Flue Gas Static Pressure, inches of H2O

Absolute Flue Gas Pressure, inches of Mercury

Average Stack Gas Temperature, °F

Average Velocity Head, inches of H2O

Average Stack Gas Velocity, feet/second

Stack Cross-Sectional Area, square feet

Dry Volumetric Flow Rate, dry scfm

Actual Wet Volumetric Flue Gas Flow Rate, acfm

Percent Isokinetic of Sampling Rate, %

Percent Excess Air, %

F-Factor, dscfm/MMBtu @ %O2

Round Duct Diameter, inches

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw

Fc

Tuesday, February 08, 2011 Page 12 of 12