### 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 Unit 3 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 8

### Utility Boiler MACT ICR - Mt Storm Power Station Unit 3 7/2/2010 Facility Information: Mt Storm State Route 93

Mount Storm W26739 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 MA01854 Contact:Michael P. Martin Phone:978-656-3550 Fax: 978-453-4215 Email: mmartin@trcsolutions.com

Air Permit Number: 3954 Permitted Source ID/Name: 3 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: 6000 mmBtu/hr tangentially fired, pulverized coal boiler w/ LNB w/ overfire air, SCR, wet limestone FGD, & ESP.

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/NAIS221112

Sampling Location Information:

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

SCC / Description10100202 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 287.16 1542 3552 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



### Thursday, January 13, 2011 Page 2 of 8

### Utility Boiler MACT ICR - Mt Storm Power Station Unit 3 7/2/2010

Thursday, January 13, 2011 Page 3 of 8

### Utility Boiler MACT ICR - Mt Storm Power Station Unit 3 7/2/2010 Sampling / Stack Data Results Summary 

### Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/8/2010 4/8/2010 4/9/2010 Run Start Time Run Finish Time Net Run Time, minutes 192 192 192 Dry Gas Meter Volume Sampled, dscf 135.361 134.182 134.901 134.815 Moisture Content of Stack Gas, % 15.41 16.70 13.93 15.347 Moisture Saturation at Stack Gas Temperature, % 13.15 13.20 22.20 16.183 Carbon Dioxide, % 12.35 12.41 12.67 12.477 Oxygen, % 6.62 6.55 6.24 6.470 Average Stack Gas Temperature, °F 120.42 120.56 140.21 127.063 Dry Volumetric Flow Rate, dry scfm 1,200,243.71,206,616.3 1,194,521.71,200,460.56 7 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,716,531.11,727,055.4 1,775,898.61,739,828.36 7 Percent Isokinetic of Sampling Rate, % 103.8 102.4 104.0 103.400 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



### Thursday, January 13, 2011 Page 4 of 8

### Utility Boiler MACT ICR - Mt Storm Power Station Unit 3 7/2/2010 Emissions Summary

Process Run Data 

### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 1.26 1.94 0.469 1.223 lb/mmBtuO2 2.94E-04 4.54E-04 1.07E-04 0.000 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 6.34 0.435 4.63 3.802 lb/mmBtuO2 1.48E-03 1.02E-04 1.05E-03 0.001



### Thursday, January 13, 2011 Page 5 of 8

### Utility Boiler MACT ICR - Mt Storm Power Station Unit 3 7/2/2010 Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 4675.3Million Btus/hr Collected during M26A Run 1 0


### 1 Steam Output 3349.41000 lb steam/hr Collected during M26A Run 1 0
1 Coal Firing Rate 0.19111000 Tons/hr Collected during M26A Run 1 0


### 1 Fuel Oil Firing Rate 0 gal/hr Collected during M26A Run 1 0
1 Flue Gas Flow Rate 1E+06 dscfm Collected during M26A Run 1 0
1 Flue Gas Oxygen Content 3.3325 % Collected during M26A Run 1 0


### 1 Flue Gas Carbon Dioxide Content 10.804 % Collected during M26A Run 1 0
1 Flue Gas Sampling Point Temperature 120 Deg F Collected during M26A Run 1 0


### 2 Heat Input 4681.6Million Btus/hr Collected during M26A Run 2 0
2 Steam Output 3364.91000 lb steam/hr Collected during M26A Run 2 0


### 2 Coal Firing Rate 0.19141000 Tons/hr Collected during M26A Run 2 0
2 Fuel Oil Firing Rate 0 gal/hr Collected during M26A Run 2 0


### 2 Flue Gas Flow Rate 1E+06 dscfm Collected during M26A Run 2 0
2 Flue Gas Oxygen Content 3.336 % Collected during M26A Run 2 0


### 2 Flue Gas Carbon Dioxide Content 10.841 % Collected during M26A Run 2 0
2 Flue Gas Sampling Point Temperature 121.26 Deg F Collected during M26A Run 2 0


### 3 Heat Input 4699.9Million Btus/hr Collected during M26A Run 3 0
3 Steam Output 3389.31000 lb steam/hr Collected during M26A Run 3 0
3 Coal Firing Rate 0.19211000 Tons/hr Collected during M26A Run 3 0


### 3 Fuel Oil Firing Rate 0 gal/hr Collected during M26A Run 3 0
3 Flue Gas Flow Rate 1E+06 dscfm Collected during M26A Run 3 0



### Thursday, January 13, 2011 Page 6 of 8

### Utility Boiler MACT ICR - Mt Storm Power Station Unit 3 7/2/2010

APCD Run Data

Process Lab Run Data 3 Flue Gas Oxygen Content 3.3206 % Collected during M26A Run 3 0


### 3 Flue Gas Carbon Dioxide Content 11.128 % Collected during M26A Run 3 0
3 Flue Gas Sampling Point Temperature 118.02 Deg F Collected during M26A Run 3 0



### 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 7 of 8

### Utility Boiler MACT ICR - Mt Storm Power Station Unit 3 7/2/2010 Sampling / Stack Data Results Detail 

### Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/8/2010 4/8/2010 4/9/2010 Run Start Time Run Finish Time Net Traversing Points 48 48 48 Net Run Time, minutes 192 192 192 Nozzle Diameter, inches 0.216 0.216 0.216 0.216 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 26.5 26.5 26.6 26.533 Average Orifice Meter Differential, inches H2O 1.88 1.93 1.91 1.907 Dry Gas Meter Volume Sampled, cubic feet 152.354 151.353 152.562 152.090 Average Dry Gas Meter Temperature, °F 67.25 68.46 71.80 69.170 Dry Gas Meter Volume Sampled, dscf 135.361 134.182 134.901 134.815 Total Moisture Liquid collected, g 523.9 571.8 464 519.900 Volume of Water Vapor, standard cubic feet 24.66 26.91 21.84 24.470 Moisture Content of Stack Gas, % 15.41 16.70 13.93 15.347 Moisture Saturation at Stack Gas Temperature, % 13.15 13.20 22.20 16.183 Dry Mole Fraction 0.8685 0.868 0.8607 0.866 Carbon Dioxide, % 12.35 12.41 12.67 12.477 Oxygen, % 6.62 6.55 6.24 6.470 Carbon Monoxide & Nitrogen, % 81.03 81.04 81.09 81.053 Fuel Factor 1.16 1.16 1.16 Dry Molecular Weight, lb/lb-Mole 30.24 30.25 30.28 30.257 Wet Molecular weight, lb/lb-Mole 29.04 29.26 28.57 28.957 Flue Gas Static Pressure, inches of H2O -0.24 -0.23 -0.25 -0.240 Absolute Flue Gas Pressure, inches of Mercury 26.48 26.48 26.58 26.513 Average Stack Gas Temperature, °F 120.42 120.56 140.21 127.063 Average Velocity Head, inches of H2O 1.0394132836 541.059896224

297121.062475459

25559 1.054 Average Stack Gas Velocity, feet/second 63.61 64.00 65.81 64.473 Stack Cross-Sectional Area, square feet 449.754 449.754 449.754 449.754 Dry Volumetric Flow Rate, dry scfm 1,200,243.7 1,206,616.3 1,194,521.71,200,460.5 67 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,716,531.1 1,727,055.4 1,775,898.61,739,828.3 67 Percent Isokinetic of Sampling Rate, % 103.8 102.4 104.0 103.400 Percent Excess Air, % 44.8 44.1 41.1 43.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 287.16 287.16 287.16 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Thursday, January 13, 2011 Page 8 of 8