### Name: C. D. Holley

Title: Vice President F&H System Operation Company: Dominion Generation Sign Date: 7/2/2010 Name: Michael P. Martin Title: Senior Project Manager Company: TRC Companies, Inc. Sign Date: 7/1/2010 Permitted Facility Representative / Date Testing Company Representative / Date



## Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 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.

Thursday, January 13, 2011 Page 1 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 Facility Information: Mt Storm State Route 93

Mount Storm W 26739 Contact: David Nuckols Phone: 804-796-6021 Fax: 804-796-6004 Email: david.nuckols@dom.com Testing Company: TRC Companies, Inc. 650 Suffolk Street

Lowell MA 01854 Contact: Michael P. Martin Phone: 978-656-3550 Fax: 978-453-4215 Email: mmartin@trcsolutions.com

Air Permit Number: 3954 Permitted Source ID/Name: 1_2 Permitted Maximum Process Rate: N/A Max. Normal Operation Process Rate: N/A Target Process Test Rate N/A

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Unit 1 & Unit 2 are each a 6000 mmBtu/hr tangentially fired, pulverized coal boiler. Each have LNB w/ overfire air, SCR, a wet limestone FGD, & an ESP which vent to a common stack.

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. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 5402300003 FRS #: 110007876637

SCC / Description 10100202 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom (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 Stack Exit 465.6 1728 5868 4 0 6 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Hydrogen Fluoride Method 26A 3 180 0 Stack Exit Hydrogen Chloride Method 26A 3 180 0 Stack Exit Sulfur Dioxide Method 6C 3 180 0 Stack Exit Nitrogen oxides (NOx) Method 7E 3 180 0 Stack Exit



### Thursday, January 13, 2011 Page 2 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010

Thursday, January 13, 2011 Page 3 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 Sampling / Stack Data Results Summary


### Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/13/2010 4/14/2010 4/14/2010 Run Start Time Run Finish Time Net Run Time, minutes 192 192 192 Dry Gas Meter Volume Sampled, dscf 120.049 120.052 123.513 121.205 Moisture Content of Stack Gas, % 14.94 15.36 14.62 14.973 Moisture Saturation at Stack Gas Temperature, % 12.63 12.51 12.62 12.587 Carbon Dioxide, % 12.58 12.56 12.56 12.567 Oxygen, % 6.81 6.9 6.74 6.817 Average Stack Gas Temperature, °F 119.88 119.67 120.00 119.850 Dry Volumetric Flow Rate, dry scfm 2,788,491.3 2,784,044.2 2,855,588.5 2,809,374.66 7 Actual Wet Volumetric Flue Gas Flow Rate, acfm 3,861,383.9 3,834,425.9 3,938,710.9 3,878,173.56 7 Percent Isokinetic of Sampling Rate, % 101.4 101.5 101.8 101.567 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Location Stack Exit - Method 6C Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Thursday, January 13, 2011 Page 4 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 Location Stack Exit - Method 7E Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Thursday, January 13, 2011 Page 5 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 Emissions Summary

Process Run Data 

### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 3 2 Mass_mg 1.29 1.34 2.13 1.587 lb/mmBtuO2 3.44E-04 3.45E-04 5.71E-04 0.000 

### Compound: Hydrogen Fluoride Average RunNumber 1 3 2 Mass_mg 0.572 3.25 0.263 1.362 lb/mmBtuO2 1.52E-04 8.37E-04 7.05E-05 0.000


### Location: Stack Exit - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 8.61E-02 1.11E-01 1.06E-01 0.101 ppm 3.57E+01 4.58E+01 4.43E+01 41.933 ppm@7%O2 3.52E+01 4.55E+01 4.35E+01 41.400


### Location: Stack Exit - Method 7E Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 7.14E-02 6.91E-02 6.94E-02 0.070 ppm 4.13E+01 3.97E+01 4.03E+01 40.433 ppm@7%O2 4.07E+01 3.94E+01 3.95E+01 39.867



### Thursday, January 13, 2011 Page 6 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 Process Run Data



### Run Name Value UOM Comments Target Value 1 Unit 1 & 2 Combined Total Heat Input 10202 Million Btus/hr Collected during M26A Run 1 0



### 1 Unit 1 Flue Gas Oxygen Content 3.501 % Collected during M26A Run 1 0

1 Unit 1 & 2 Combined Total Coal Firing Rate 0.4168 1,000 Tons/hr Collected during M26A Run 1 0



### 1 Unit 1 & 2 Combined Total Steam Output 7479.6 1,000 lbs steam/hr Collected during M26A Run 1 0

1 Unit 1 & 2 Combined Total Flue Gas Flow Rate 4E+06 dscfm Collected during M26A Run 1 0

1 Flue Gas Sampling Point Temperature 117.3 Deg F Collected during M26A Run 1 0



### 1 Unit 2 Flue Gas Oxygen Content 3.506 % Collected during M26A Run 1 0

1 Flue Gas Carbon Dioxide Content 11.061 % Collected during M26A Run 1 0



### 1 Unit 2 Fuel Oil Firing Rate 0.0053 Gal/hr Collected during M26A Run 1 0

2 Unit 1 & 2 Combined Total Heat Input 10203 Million Btus/hr Collected during M26A Run 2 0



### 2 Unit 1 Flue Gas Oxygen Content 3.508 % Collected during M26A Run 2 0

2 Unit 1 & 2 Combined Total Coal Firing Rate 0.4168 1,000 Tons/hr Collected during M26A Run 2 0



### 2 Unit 1 & 2 Combined Total Steam Output 7476.7 1,000 lbs steam/hr Collected during M26A Run 2 0

2 Unit 1 & 2 Combined Total Flue Gas Flow Rate 4E+06 dscfm Collected during M26A Run 2 0



### 2 Flue Gas Sampling Point Temperature 117.28 Deg F Collected during M26A Run 2 0

2 Unit 2 Flue Gas Oxygen Content 3.524 % Collected during M26A Run 2 0



### 2 Flue Gas Carbon Dioxide Content 11.036 % Collected during M26A Run 2 0

2 Unit 2 Fuel Oil Firing Rate 0.0025 Gal/hr Collected during M26A Run 2 0

3 Unit 1 & 2 Combined Total Heat Input 10198 Million Btus/hr Collected during M26A Run 3 0



### 3 Unit 1 Flue Gas Oxygen Content 3.504 % Collected during M26A Run 3 0

3 Unit 1 & 2 Combined Total Coal Firing Rate 10198 1,000 Tons/hr Collected during M26A Run 3 0



### Thursday, January 13, 2011 Page 7 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 3 Unit 1 & 2 Combined Total Steam Output 7473.3 1,000 lbs steam/hr Collected during M26A Run 3 0



### 3 Unit 1 & 2 Combined Total Flue Gas Flow Rate 4E+06 dscfm Collected during M26A Run 3 0

3 Flue Gas Sampling Point Temperature 117.93 Deg F Collected during M26A Run 3 0

3 Unit 2 Flue Gas Oxygen Content 3.489 % Collected during M26A Run 3 0



### 3 Flue Gas Carbon Dioxide Content 10.979 % Collected during M26A Run 3 0

3 Unit 2 Fuel Oil Firing Rate 0.0051 Gal/hr Collected during M26A Run 3 0



### 4 Unit 1 & 2 Combined Total Heat Input 10202 Million Btus/hr Collected during Run 1 of Method 6C and 7E 0

4 Unit 1 Flue Gas Oxygen Content 3.497 % Collected during Run 1 of Method 6C and 7E 0

4 Unit 1 & 2 Combined Total Coal Firing Rate 0.4168 1,000 Tons/hr Collected during Run 1 of Method 6C and 7E 0



### 4 Unit 1 & 2 Combined Total Steam Output 7479.6 1,000 lbs steam/hr Collected during Run 1 of Method 6C and 7E 0

4 Unit 1 & 2 Combined Total Flue Gas Flow Rate 4E+06 dscfm Collected during Run 1 of Method 6C and 7E 0

4 Flue Gas Sampling Point Temperature 117.37 Deg F Collected during Run 1 of Method 6C and 7E 0

4 Unit 2 Flue Gas Oxygen Content 3.507 % Collected during Run 1 of Method 6C and 7E 0



### 4 Flue Gas Carbon Dioxide Content 11.06 % Collected during Run 1 of Method 6C and 7E 0

4 Unit 2 Fuel Oil Firing Rate 0.0067 Gal/hr Collected during Run 1 of Method 6C and 7E 0

5 Unit 1 & 2 Combined Total Heat Input 10205 Million Btus/hr Collected during Run 2 of Method 6C and 7E 0

5 Unit 1 Flue Gas Oxygen Content 3.509 % Collected during Run 2 of Method 6C and 7E 0



### 5 Unit 1 & 2 Combined Total Coal Firing Rate 0.4169 1,000 Tons/hr Collected during Run 2 of Method 6C and 7E 0

Thursday, January 13, 2011 Page 8 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010

APCD Run Data 5 Unit 1 & 2 Combined Total Steam Output 7476.7 1,000 lbs steam/hr Collected during Run 2 of Method 6C and 7E 0

5 Unit 1 & 2 Combined Total Flue Gas Flow Rate 4E+06 dscfm Collected during Run 2 of Method 6C and 7E 0



### 5 Flue Gas Sampling Point Temperature 117.20 Deg F Collected during Run 2 of Method 6C and 7E 0

5 Unit 2 Flue Gas Oxygen Content 3.53 % Collected during Run 2 of Method 6C and 7E 0

5 Flue Gas Carbon Dioxide Content 11.066 % Collected during Run 2 of Method 6C and 7E 0

5 Unit 2 Fuel Oil Firing Rate 0.0032 Gal/hr Collected during Run 2 of Method 6C and 7E 0



### 6 Unit 1 & 2 Combined Total Heat Input 110199 Million Btus/hr Collected during Run 3 of Method 6C and 7E 0

6 Unit 1 Flue Gas Oxygen Content 3.504 % Collected during Run 3 of Method 6C and 7E 0

6 Unit 1 & 2 Combined Total Coal Firing Rate 0.4166 1,000 Tons/hr Collected during Run 3 of Method 6C and 7E 0

6 Unit 1 & 2 Combined Total Steam Output 7473.3 1,000 lbs steam/hr Collected during Run 3 of Method 6C and 7E 0



### 6 Unit 1 & 2 Combined Total Flue Gas Flow Rate 4E+06 dscfm Collected during Run 3 of Method 6C and 7E 0

6 Flue Gas Sampling Point Temperature 117.92 Deg F Collected during Run 3 of Method 6C and 7E 0

6 Unit 2 Flue Gas Oxygen Content 3.49 % Collected during Run 3 of Method 6C and 7E 0

6 Flue Gas Carbon Dioxide Content 10.968 % Collected during Run 3 of Method 6C and 7E 0

6 Unit 2 Fuel Oil Firing Rate 0.0064 Gal/hr Collected during Run 3 of Method 6C and 7E 0

Target Value 

### Thursday, January 13, 2011 Page 9 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010

Process Lab Run Data Run Name Value UOM Comments Target Value 

### 1 OVERFIRE AIR 0 0 1 LOW NOX BURNERS 0 0 

### 1 SCR (SELECTIVE CATALYTIC REDUCTION) 0 0 1 WET SCRUBBER 0 0 1 ELECTROSTATIC PRECIPITATOR 0 0



### Thursday, January 13, 2011 Page 10 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 Sampling / Stack Data Results Detail


### Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/13/2010 4/14/2010 4/14/2010 Run Start Time Run Finish Time Net Traversing Points 48 48 48 Net Run Time, minutes 192 192 192 Nozzle Diameter, inches 0.219 0.219 0.219 0.219 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9965 0.9965 0.9965 0.997 Barometric Pressure, inches of Mercury 27.1 27.2 27.2 27.167 Average Orifice Meter Differential, inches H2O 1.41 1.41 1.48 1.433 Dry Gas Meter Volume Sampled, cubic feet 131.509 131.980 135.940 133.143 Average Dry Gas Meter Temperature, °F 64.05 67.85 68.55 66.817 Dry Gas Meter Volume Sampled, dscf 120.049 120.052 123.513 121.205 Total Moisture Liquid collected, g 448 462.7 449.4 453.367 Volume of Water Vapor, standard cubic feet 21.09 21.78 21.15 21.340 Moisture Content of Stack Gas, % 14.94 15.36 14.62 14.973 Moisture Saturation at Stack Gas Temperature, % 12.63 12.51 12.62 12.587 Dry Mole Fraction 0.8737 0.8749 0.8738 0.874 Carbon Dioxide, % 12.58 12.56 12.56 12.567 Oxygen, % 6.81 6.9 6.74 6.817 Carbon Monoxide & Nitrogen, % 80.61 80.54 80.7 80.617 Fuel Factor 1.12 1.11 1.13 Dry Molecular Weight, lb/lb-Mole 30.29 30.29 30.28 30.287 Wet Molecular weight, lb/lb-Mole 29.15 29.27 29.09 29.170 Flue Gas Static Pressure, inches of H2O 0.78 0.76 0.91 0.817 Absolute Flue Gas Pressure, inches of Mercury 27.16 27.26 27.27 27.230 Average Stack Gas Temperature, °F 119.88 119.67 120.00 119.850 Average Velocity Head, inches of H2O 0.7844757825 69369 0.779906338

680959 0.817491426

282948 0.794 Average Stack Gas Velocity, feet/second 54.43 54.05 55.52 54.667 Stack Cross-Sectional Area, square feet 1,182.370 1,182.370 1,182.370 1,182.370 Dry Volumetric Flow Rate, dry scfm 2,788,491.3 2,784,044.2 2,855,588.5 2,809,374.6 67 Actual Wet Volumetric Flue Gas Flow Rate, acfm 3,861,383.9 3,834,425.9 3,938,710.9 3,878,173.5 67 Percent Isokinetic of Sampling Rate, % 101.4 101.5 101.8 101.567 Percent Excess Air, % 47.1 48.0 46.3 47.133 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 465.6 465.6 465.6 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Thursday, January 13, 2011 Page 11 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 Location Stack Exit - Method 6C Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Thursday, January 13, 2011 Page 12 of 13

### Utility Boiler MACT ICR - Mt Storm Power Station Units 1 & 2 7/2/2010 Location Stack Exit - Method 7E Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Thursday, January 13, 2011 Page 13 of 13