### Name: C.D. Holley

Title: Vice President F&H System Operation Company: Dominion Generation Sign Date: 8/19/2010 Name: Michael P. Martin Title: Senior Project Manager Company:TRC Companies, Inc. Sign Date: 8/19/2010 Permitted Facility Representative / Date Testing Company Representative / Date



## Utility Boiler MACT ICR - Hopewell 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.

Wednesday, January 12, 2011 Page 1 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Facility Information: Hopewell Power Station 107 Terminal Street

Hopewell VA23860 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: 10771 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 391 mmBtu/hr spreader stoker coal boiler. Each have overfire air, dry lime FGD, SNCR, & a baghouse. Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:5167000063 FRS #:110000342629

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 96 1284 1056 4 0 6 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Carbon Monoxide Method 10 3 120 0 Stack Exit Formaldehyde Method 0011 3 120 0 Stack Exit 2,3,7,8-TCDD Method 23 3 480 0 Stack Exit 1,2,3,7,8-PeCDD Method 23 3 480 0 Stack Exit 1,2,3,4,7,8-HxCDD Method 23 3 480 0 Stack Exit 1,2,3,6,7,8-HxCDD Method 23 3 480 0 Stack Exit 1,2,3,7,8,9-HxCDD Method 23 3 480 0 Stack Exit



### Wednesday, January 12, 2011 Page 2 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 Stack Exit OCDD Method 23 3 480 0 Stack Exit 2,3,7,8-TCDF Method 23 3 480 0 Stack Exit 1,2,3,7,8-PeCDF Method 23 3 480 0 Stack Exit 2,3,4,7,8-PeCDF Method 23 3 480 0 Stack Exit 1,2,3,4,7,8-HxCDF Method 23 3 480 0 Stack Exit 1,2,3,6,7,8-HxCDF Method 23 3 480 0 Stack Exit 2,3,4,6,7,8-HxCDF Method 23 3 480 0 Stack Exit 1,2,3,7,8,9-HxCDF Method 23 3 480 0 Stack Exit 1,2,3,4,6,7,8-HpCDF Method 23 3 480 0 Stack Exit 1,2,3,4,7,8,9-HpCDF Method 23 3 480 0 Stack Exit OCDF Method 23 3 480 0 Stack Exit Other TCDD Method 23 0 Stack Exit Other PeCDD Method 23 0 Stack Exit Other HxCDD Method 23 0 Stack Exit Other HpCDD Method 23 0 Stack Exit Other TCDF Method 23 0 Stack Exit Other PeCDF Method 23 0 Stack Exit Other HxCDF Method 23 0 Stack Exit Other HpCDF Method 23 0 Stack Exit Total Dioxins Method 23 3 480 0 Stack Exit Total Furans Method 23 3 480 0 Stack Exit 3,3',4,4'-TCB (PCB77) Method 23 3 480 0 Stack Exit 3,4,4',5-TCB (PCB81) Method 23 3 480 0 Stack Exit 2,3,3',4,4'-PeCB (PCB105) Method 23 3 480 0 Stack Exit 2,3,4,4',5-PeCB (PCB114) Method 23 3 480 0 Stack Exit 2,3',4,4',5-PeCB (PCB118) Method 23 3 480 0 Stack Exit 2',3,4,4',5-PeCB (PCB123) Method 23 3 480 0 Stack Exit 3,3',4,4',5-PeCB (PCB126) Method 23 3 480 0 Stack Exit 2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157) Method 23 3 480 0 Stack Exit
2,3',4,4',5,5'-HxCB (PCB167)Method 23 3 480 0 Stack Exit 3,3',4,4',5,5'-HxCB (PCB169)Method 23 3 480 0 Stack Exit 2,3,3',4,4',5,5'-HpCB

(PCB189) Method 23 3 480 0 Stack Exit
Total organic compounds

(TOC) as Propane Method 25A 3 120 0 NMHC emissions only. Methane emissions reported in excel template. Stack Exit

Hydrogen Fluoride Method 26A 3 180 0 Stack Exit Hydrogen Chloride Method 26A 3 180 0 Stack Exit Organic Condensible

Particulate OTM - 27/28 3 240 0 Stack Exit

Filterable Particulate OTM - 27/28 3 240 0 Stack Exit Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 240 0 Stack Exit

Total PM2.5 OTM - 27/28 3 240 0 Stack Exit Total Particulate OTM - 27/28 3 240 0 Stack Exit Filterable PM2.5 OTM - 27/28 3 240 0 Stack Exit Cobalt Method 29 3 240 0 Stack Exit Selenium Method 29 3 240 0 Stack Exit Nickel Method 29 3 240 0 Stack Exit Manganese Method 29 3 240 0 Stack Exit



### Wednesday, January 12, 2011 Page 3 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010

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.

Lead Method 29 3 240 0 Stack Exit Chromium Method 29 3 240 0 Stack Exit Cadmium Method 29 3 240 0 Stack Exit Beryllium Method 29 3 240 0 Stack Exit Arsenic Method 29 3 240 0 Stack Exit Antimony Method 29 3 240 0 Stack Exit Sulfur Dioxide Method 6C 3 180 0 Stack Exit Nitrogen oxides (NOx) Method 7E 3 180 0 Stack Exit



### Wednesday, January 12, 2011 Page 4 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Sampling / Stack Data Results Summary


### Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 4/23/2010 4/23/2010 4/23/2010 Run Start Time Run Finish Time Net Run Time, minutes 120 120 120 Dry Gas Meter Volume Sampled, dscf 110.280 111.851 110.874 111.002 Moisture Content of Stack Gas, % 13.84 13.61 13.40 13.617 Moisture Saturation at Stack Gas Temperature, % 98.90 100.00 100.00 99.633 Carbon Dioxide, % 13.578 13.624 13.634 13.612 Oxygen, % 5.536 5.484 5.482 5.501 Average Stack Gas Temperature, °F 211.21 214.13 214.96 213.433 Dry Volumetric Flow Rate, dry scfm 179,485.1 182,434.4 180,152.3 180,690.600 Actual Wet Volumetric Flue Gas Flow Rate, acfm 266,062.7 270,888.1 267,269.1 268,073.300 Percent Isokinetic of Sampling Rate, % 99.3 99.1 99.5 99.300 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 10 Average Run Number 1 2 3 Test Date 4/23/2010 4/23/2010 4/23/2010 Run Start Time 9:50:00 AM 12:20:00 PM 3:42:00 PM

Run Finish Time 11:50:00 AM2:20:00 PM 5:42:00 PM Carbon Dioxide, % 13.578 13.624 13.634 13.612 Oxygen, % 5.536 5.484 5.482 5.501 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Wednesday, January 12, 2011 Page 5 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 23 Average Run Number 2 3 4 Test Date 4/20/2010 4/21/2010 4/24/2010 Run Start Time Run Finish Time Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 454.441 451.286 463.722 456.483 Moisture Content of Stack Gas, % 12.62 13.00 13.61 13.077 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.3 13.3 13.4 13.333 Oxygen, % 5.9 5.8 5.8 5.833 Average Stack Gas Temperature, °F 214.49 214.30 213.23 214.007 Dry Volumetric Flow Rate, dry scfm 184,434.7 180,352.4 182,027.4 182,271.500 Actual Wet Volumetric Flue Gas Flow Rate, acfm 267,842.1 265,007.1 269,380.2 267,409.800 Percent Isokinetic of Sampling Rate, % 101.4 103.0 104.8 103.067 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 25A Average Run Number 1 2 3 Test Date 4/23/2010 4/23/2010 4/23/2010 Run Start Time 9:50:00 AM 12:20:00 PM 3:42:00 PM

Run Finish Time 11:50:00 AM2:20:00 PM 5:42:00 PM Carbon Dioxide, % Oxygen, % 5.536 5.484 5.482 5.501 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.99 13.87 13.71 13.857 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Wednesday, January 12, 2011 Page 6 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/19/2010 4/20/2010 4/20/2010 Run Start Time Run Finish Time Net Run Time, minutes 192 192 192 Dry Gas Meter Volume Sampled, dscf 182.013 179.875 182.262 181.383 Moisture Content of Stack Gas, % 13.92 14.17 14.08 14.057 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.59 13.32 13.81 13.573 Oxygen, % 5.56 5.87 5.96 5.797 Average Stack Gas Temperature, °F 216.42 215.96 216.77 216.383 Dry Volumetric Flow Rate, dry scfm 179,842.0 179,547.8 180,742.1 180,043.967 Actual Wet Volumetric Flue Gas Flow Rate, acfm 264,645.2 266,032.5 267,842.1 266,173.267 Percent Isokinetic of Sampling Rate, % 102.2 101.2 101.8 101.733 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 29 Average Run Number 1 2 3 Test Date 4/22/2010 4/22/2010 4/24/2010 Run Start Time Run Finish Time Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 223.500 220.844 217.100 220.481 Moisture Content of Stack Gas, % 13.41 14.04 14.01 13.820 Moisture Saturation at Stack Gas Temperature, % 97.79 97.50 100.00 98.430 Carbon Dioxide, % 13.55 13.66 13.43 13.547 Oxygen, % 5.53 5.445 5.63 5.535 Average Stack Gas Temperature, °F 210.73 210.58 213.17 211.493 Dry Volumetric Flow Rate, dry scfm 177,902.6 177,726.3 175,682.8 177,103.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 261,780.1 263,378.5 261,176.9 262,111.833 Percent Isokinetic of Sampling Rate, % 101.5 100.4 99.8 100.567 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



### Wednesday, January 12, 2011 Page 7 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 6C Average Run Number 1 2 3 Test Date 4/21/2010 4/22/2010 4/22/2010 Run Start Time 3:51:00 PM 7:11:00 AM11:24:00 AM

Run Finish Time 6:51:00 PM 10:11:00 AM 2:24:00 PM

Carbon Dioxide, % 13.529 13.583 13.53 13.547 Oxygen, % 5.563 5.526 5.534 5.541 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Location Stack Exit - Method 7E Average Run Number 1 2 3 Test Date 4/21/2010 4/22/2010 4/22/2010 Run Start Time 3:51:00 PM 7:11:00 AM11:24:00 AM

Run Finish Time 6:51:00 PM 10:11:00 AM 2:24:00 PM

Carbon Dioxide, % 13.529 13.583 13.53 13.547 Oxygen, % 5.563 5.526 5.534 5.541 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Wednesday, January 12, 2011 Page 8 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - OTM - 27/28 Average Run Number 1 2 3 Test Date 4/21/2010 4/22/2010 4/22/2010 Run Start Time Run Finish Time Net Run Time, minutes 366.5 327 332.25 Dry Gas Meter Volume Sampled, dscf 132.289 121.758 126.092 126.713 Moisture Content of Stack Gas, % 12.89 13.26 13.41 13.187 Moisture Saturation at Stack Gas Temperature, % 100.00 97.46 100.00 99.153 Carbon Dioxide, % 13.49 13.509 13.66 13.553 Oxygen, % 5.572 5.543 5.445 5.520 Average Stack Gas Temperature, °F 215.83 210.58 213.08 213.163 Dry Volumetric Flow Rate, dry scfm 187,799.2 186,917.8 185,697.2 186,804.733 Actual Wet Volumetric Flue Gas Flow Rate, acfm 276,226.3 274,416.7 279,453.3 276,698.767 Percent Isokinetic of Sampling Rate, % 93.0 96.4 98.9 96.100 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



### Wednesday, January 12, 2011 Page 9 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Emissions Summary


### Location: Stack Exit - Method 0011 Compound: Formaldehyde Average RunNumber 1 2 3 Mass_mg 0.0186 0.00853 0.0105 0.013 lb/mmBtuO2 4.95E-06 2.23E-06 2.77E-06 0.000 ppm 4.77E-03 2.16E-03 2.68E-03 0.003 ppm@7%O2 4.32E-03 1.95E-03 2.42E-03 0.003



### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 1.42E-01 1.30E-01 1.49E-01 0.140 ppm 1.46E+02 1.35E+02 1.54E+02 145.000 ppm@7%O2 1.32E+02 1.22E+02 1.39E+02 131.000



### Location: Stack Exit - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 2 3 4 Mass_mg 0.00000000267 0.0000000019 0.0000000037 0.000 lb/mmBtuO2 1.77E-13 1.26E-13 2.38E-13 0.000 ng/dscm 2.08E-04 1.49E-04 2.82E-04 0.000 ng/dscm@7%O2 1.93E-04 1.37E-04 2.60E-04 0.000 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 2 3 4 Mass_mg 0.00000000127 0.00000000183 0.00000000137 0.000 lb/mmBtuO2 8.40E-14 1.21E-13 8.82E-14 0.000 ng/dscm 9.87E-05 1.43E-04 1.04E-04 0.000 ng/dscm@7%O2 9.15E-05 1.32E-04 9.57E-05 0.000 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 2 3 4 Mass_mg 0.00000000066 0.00000000071 0.00000000067 0.000 lb/mmBtuO2 4.36E-14 4.70E-14 4.31E-14 0.000 ng/dscm 5.13E-05 5.56E-05 5.10E-05 0.000 ng/dscm@7%O2 4.75E-05 5.12E-05 4.69E-05 0.000 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 2 3 4 Mass_mg 0.00000000092 0.0000000026 0.0000000016 0.000 lb/mmBtuO2 6.08E-14 1.72E-13 1.03E-13 0.000 ng/dscm 7.15E-05 2.03E-04 1.22E-04 0.000 ng/dscm@7%O2 6.63E-05 1.87E-04 1.12E-04 0.000



### Wednesday, January 12, 2011 Page 10 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 2 3 4 Mass_mg 0.00000000097 0.0000000015 0.0000000007 0.000 lb/mmBtuO2 6.41E-14 9.92E-14 4.50E-14 0.000 ng/dscm 7.54E-05 1.17E-04 5.33E-05 0.000 ng/dscm@7%O2 6.99E-05 1.08E-04 4.91E-05 0.000 

### Compound: 1,2,3,6,7,8-HxCDD Average RunNumber 2 3 4 Mass_mg 0.00000000077 0.0000000022 0.00000000179 0.000 lb/mmBtuO2 5.09E-14 1.45E-13 1.15E-13 0.000 ng/dscm 5.98E-05 1.72E-04 1.36E-04 0.000 ng/dscm@7%O2 5.54E-05 1.58E-04 1.25E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDF Average RunNumber 2 3 4 Mass_mg 0.00000000088 0.0000000013 0.00000000058 0.000 lb/mmBtuO2 5.82E-14 8.60E-14 3.73E-14 0.000 ng/dscm 6.84E-05 1.02E-04 4.42E-05 0.000 ng/dscm@7%O2 6.34E-05 9.39E-05 4.07E-05 0.000 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 2 3 4 Mass_mg 0.0000000008 0.0000000022 0.0000000014 0.000 lb/mmBtuO2 5.29E-14 1.45E-13 9.01E-14 0.000 ng/dscm 6.22E-05 1.72E-04 1.07E-04 0.000 ng/dscm@7%O2 5.76E-05 1.58E-04 9.85E-05 0.000 

### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 2 3 4 Mass_mg 0.0000000011 0.0000000017 0.00000000073 0.000 lb/mmBtuO2 7.27E-14 1.12E-13 4.70E-14 0.000 ng/dscm 8.55E-05 1.33E-04 5.56E-05 0.000 ng/dscm@7%O2 7.92E-05 1.22E-04 5.12E-05 0.000 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 2 3 4 Mass_mg 0.0000000011 0.0000000012 0.0000000013 0.000 lb/mmBtuO2 7.27E-14 7.94E-14 8.37E-14 0.000 ng/dscm 8.55E-05 9.39E-05 9.90E-05 0.000 ng/dscm@7%O2 7.92E-05 8.64E-05 9.11E-05 0.000 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 2 3 4 Mass_mg 0.0000000011 0.0000000012 0.0000000014 0.000 lb/mmBtuO2 7.27E-14 7.94E-14 9.01E-14 0.000



### Wednesday, January 12, 2011 Page 11 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 ng/dscm 8.55E-05 9.39E-05 1.07E-04 0.000 ng/dscm@7%O2 7.92E-05 8.64E-05 9.85E-05 0.000 

### Compound: 2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 2 3 4 Mass_mg 0.00000000045 0.00000000056 0.00000000137 0.000 lb/mmBtuO2 2.97E-14 3.70E-14 8.82E-14 0.000 ng/dscm 3.50E-05 4.38E-05 1.04E-04 0.000 ng/dscm@7%O2 3.24E-05 4.03E-05 9.57E-05 0.000 

### Compound: 2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 2 3 4 Mass_mg 0.00000002192 0.0000000227 0.00000002223 0.000 lb/mmBtuO2 1.45E-12 1.50E-12 1.43E-12 0.000 ng/dscm 1.70E-03 1.78E-03 1.69E-03 0.002 ng/dscm@7%O2 1.58E-03 1.64E-03 1.56E-03 0.002 

### Compound: 2,3,3',4,4'-PeCB (PCB105) Average RunNumber 2 3 4 Mass_mg 0.000000187 0.000000235 0.000000175 0.000 lb/mmBtuO2 1.24E-11 1.55E-11 1.13E-11 0.000 ng/dscm 1.45E-02 1.84E-02 1.33E-02 0.015 ng/dscm@7%O2 1.34E-02 1.69E-02 1.22E-02 0.014 

### Compound: 2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 2 3 4 Mass_mg 0.00000000841 0.0000000106 0.00000000782 0.000 lb/mmBtuO2 5.56E-13 7.01E-13 5.03E-13 0.000 ng/dscm 6.54E-04 8.30E-04 5.96E-04 0.001 ng/dscm@7%O2 6.06E-04 7.64E-04 5.49E-04 0.001 

### Compound: 2,3,4,4',5-PeCB (PCB114) Average RunNumber 2 3 4 Mass_mg 0.0000000153 0.0000000204 0.0000000099 0.000 lb/mmBtuO2 1.01E-12 1.35E-12 6.37E-13 0.000 ng/dscm 1.19E-03 1.60E-03 7.54E-04 0.001 ng/dscm@7%O2 1.10E-03 1.47E-03 6.94E-04 0.001 

### Compound: 2,3',4,4',5-PeCB (PCB118) Average RunNumber 2 3 4 Mass_mg 0.000000412 0.000000486 0.000000363 0.000 lb/mmBtuO2 2.72E-11 3.21E-11 2.34E-11 0.000 ng/dscm 3.20E-02 3.80E-02 2.76E-02 0.033 ng/dscm@7%O2 2.97E-02 3.50E-02 2.54E-02 0.030 

### Compound: 2',3,4,4',5-PeCB (PCB123) Average RunNumber 2 3 4


### Wednesday, January 12, 2011 Page 12 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Mass_mg 0.000000011 0.0000000119 0.0000000069 0.000 lb/mmBtuO2 7.27E-13 7.87E-13 4.44E-13 0.000 ng/dscm 8.55E-04 9.31E-04 5.26E-04 0.001 ng/dscm@7%O2 7.92E-04 8.57E-04 4.84E-04 0.001 

### Compound: 2,3,4,6,7,8-HxCDF Average RunNumber 2 3 4 Mass_mg 0.00000000094 0.0000000014 0.0000000017 0.000 lb/mmBtuO2 6.21E-14 9.26E-14 1.09E-13 0.000 ng/dscm 7.31E-05 1.10E-04 1.29E-04 0.000 ng/dscm@7%O2 6.77E-05 1.01E-04 1.19E-04 0.000 

### Compound: 2,3,4,7,8-PeCDF Average RunNumber 2 3 4 Mass_mg 0.000000001 0.0000000011 0.0000000013 0.000 lb/mmBtuO2 6.61E-14 7.27E-14 8.37E-14 0.000 ng/dscm 7.77E-05 8.61E-05 9.90E-05 0.000 ng/dscm@7%O2 7.20E-05 7.93E-05 9.11E-05 0.000 

### Compound: 2,3,7,8-TCDD Average RunNumber 2 3 4 Mass_mg 0.00000000085 0.0000000024 0.0000000021 0.000 lb/mmBtuO2 5.62E-14 1.59E-13 1.35E-13 0.000 ng/dscm 6.61E-05 1.88E-04 1.60E-04 0.000 ng/dscm@7%O2 6.13E-05 1.73E-04 1.47E-04 0.000 

### Compound: 2,3,7,8-TCDF Average RunNumber 2 3 4 Mass_mg 0.0000000035 0.0000000029 0.0000000041 0.000 lb/mmBtuO2 2.31E-13 1.92E-13 2.64E-13 0.000 ng/dscm 2.72E-04 2.27E-04 3.12E-04 0.000 ng/dscm@7%O2 2.52E-04 2.09E-04 2.87E-04 0.000 

### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 2 3 4 Mass_mg 0.00000000029 0.00000000054 0.00000000052 0.000 lb/mmBtuO2 1.92E-14 3.57E-14 3.35E-14 0.000 ng/dscm 2.25E-05 4.23E-05 3.96E-05 0.000 ng/dscm@7%O2 2.09E-05 3.89E-05 3.65E-05 0.000 

### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 2 3 4 Mass_mg 0.0000000018 0.0000000025 0.0000000023 0.000 lb/mmBtuO2 1.19E-13 1.65E-13 1.48E-13 0.000 ng/dscm 1.40E-04 1.96E-04 1.75E-04 0.000 ng/dscm@7%O2 1.30E-04 1.80E-04 1.61E-04 0.000



### Wednesday, January 12, 2011 Page 13 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 2 3 4 Mass_mg 0.000000192 0.000000215 0.0000000723 0.000 lb/mmBtuO2 1.27E-11 1.42E-11 4.65E-12 0.000 ng/dscm 1.49E-02 1.68E-02 5.51E-03 0.012 ng/dscm@7%O2 1.38E-02 1.55E-02 5.07E-03 0.011 

### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 2 3 4 Mass_mg 0.0000000115 0.0000000131 0.0000000032 0.000 lb/mmBtuO2 7.60E-13 8.66E-13 2.06E-13 0.000 ng/dscm 8.94E-04 1.03E-03 2.44E-04 0.001 ng/dscm@7%O2 8.28E-04 9.48E-04 2.25E-04 0.001 

### Compound: OCDD Average RunNumber 2 3 4 Mass_mg 0.0000000107 0.00000000748 0.00000000969 0.000 lb/mmBtuO2 7.07E-13 4.95E-13 6.24E-13 0.000 ng/dscm 8.32E-04 5.85E-04 7.38E-04 0.001 ng/dscm@7%O2 7.71E-04 5.39E-04 6.79E-04 0.001 

### Compound: OCDF Average RunNumber 2 3 4 Mass_mg 0.0000000049 0.000000003 0.00000000335 0.000 lb/mmBtuO2 3.24E-13 1.98E-13 2.16E-13 0.000 ng/dscm 3.81E-04 2.35E-04 2.55E-04 0.000 ng/dscm@7%O2 3.53E-04 2.16E-04 2.35E-04 0.000 

### Compound: Other HpCDD Average RunNumber 2 3 4 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other HpCDF Average RunNumber 2 3 4 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other HxCDD Average RunNumber 2 3 4 Mass_mg 0.0000000026 0 0.00000000188 0.000 lb/mmBtuO2 1.72E-13 0.00E+00 1.21E-13 0.000



### Wednesday, January 12, 2011 Page 14 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 ng/dscm 2.02E-04 0.00E+00 1.43E-04 0.000 ng/dscm@7%O2 1.87E-04 0.00E+00 1.32E-04 0.000 

### Compound: Other HxCDF Average RunNumber 2 3 4 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other PeCDD Average RunNumber 2 3 4 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other PeCDF Average RunNumber 2 3 4 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000 ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other TCDD Average RunNumber 2 3 4 Mass_mg 0.00000000322 0 0 0.000 lb/mmBtuO2 2.13E-13 0.00E+00 0.00E+00 0.000 ng/dscm 2.50E-04 0.00E+00 0.00E+00 0.000 ng/dscm@7%O2 2.32E-04 0.00E+00 0.00E+00 0.000 

### Compound: Other TCDF Average RunNumber 2 3 4 Mass_mg 0 0 0.00000000587 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 3.78E-13 0.000 ng/dscm 0.00E+00 0.00E+00 4.47E-04 0.000 ng/dscm@7%O2 0.00E+00 0.00E+00 4.11E-04 0.000 

### Compound: Total Dioxins Average RunNumber 2 3 4 Mass_mg 0.00000002363 0.00000001998 0.00000002346 0.000 lb/mmBtuO2 1.56E-12 1.32E-12 1.51E-12 0.000 ng/dscm 1.84E-03 1.56E-03 1.79E-03 0.002 ng/dscm@7%O2 1.71E-03 1.44E-03 1.65E-03 0.002 

### Compound: Total Furans Average RunNumber 2 3 4


### Wednesday, January 12, 2011 Page 15 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Mass_mg 0.00000001632 0.00000001664 0.00000002177 0.000 lb/mmBtuO2 1.08E-12 1.10E-12 1.40E-12 0.000 ng/dscm 1.27E-03 1.30E-03 1.66E-03 0.001 ng/dscm@7%O2 1.18E-03 1.20E-03 1.53E-03 0.001



### Location: Stack Exit - Method 25A 

### Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 ppm 0.00E+00 0.00E+00 0.00E+00 0.000 ppm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000



### Location: Stack Exit - Method 26A 

### Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.426 0.49 0.421 0.446 lb/mmBtuO2 6.88E-05 8.17E-05 6.97E-05 0.000 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.424 0.488 0.419 0.444 lb/mmBtuO2 6.84E-05 8.13E-05 6.93E-05 0.000



### Location: Stack Exit - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.00194 0.00104 0.00183 0.002 lb/mmBtuO2 2.54E-07 1.37E-07 2.49E-07 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00767 0.00409 0.00786 0.007 lb/mmBtuO2 1.01E-06 5.40E-07 1.07E-06 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00113 0.000518 0.00142 0.001 lb/mmBtuO2 1.48E-07 6.84E-08 1.93E-07 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.000536 0.000215 0.000525 0.000 lb/mmBtuO2 7.03E-08 2.84E-08 7.14E-08 0.000



### Wednesday, January 12, 2011 Page 16 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.0247 0.0134 0.0233 0.020 lb/mmBtuO2 3.24E-06 1.77E-06 3.17E-06 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.0125 0.00539 0.0107 0.010 lb/mmBtuO2 1.64E-06 7.12E-07 1.45E-06 0.000 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.029 0.0141 0.0238 0.022 lb/mmBtuO2 3.80E-06 1.86E-06 3.24E-06 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.0193 0.00917 0.0194 0.016 lb/mmBtuO2 2.53E-06 1.21E-06 2.64E-06 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0329 0.0145 0.0265 0.025 lb/mmBtuO2 4.32E-06 1.91E-06 3.60E-06 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.0161 0.00827 0.0138 0.013 lb/mmBtuO2 2.11E-06 1.09E-06 1.88E-06 0.000



### Location: Stack Exit - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 2.78E-02 1.91E-02 2.25E-02 0.023 ppm 1.26E+01 8.65E+00 1.02E+01 10.483 ppm@7%O2 1.14E+01 7.82E+00 9.23E+00 9.483



### Location: Stack Exit - Method 7E Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 2.87E-01 2.85E-01 2.96E-01 0.289 ppm 1.80E+02 1.79E+02 1.87E+02 182.000 ppm@7%O2 1.63E+02 1.62E+02 1.69E+02 164.667



### Wednesday, January 12, 2011 Page 17 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010

Process Run Data Location: Stack Exit - OTM - 27/28 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 105.8 96 97.7 99.833 lb/mmBtuO2 2.35E-02 2.31E-02 2.26E-02 0.023 

### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 14.3 12.8 11 12.700 lb/mmBtuO2 3.18E-03 3.08E-03 2.54E-03 0.003 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 298.69 228.09 208.19 244.990 lb/mmBtuO2 6.64E-02 5.50E-02 4.81E-02 0.057 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 0.31 3.71 3.61 2.543 lb/mmBtuO2 6.89E-05 8.94E-04 8.35E-04 0.001 

### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 404.8 327.8 309.5 347.367 lb/mmBtuO2 9.00E-02 7.90E-02 7.16E-02 0.080 

### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 313.3 244.6 222.8 260.233 lb/mmBtuO2 6.96E-02 5.89E-02 5.15E-02 0.060



### Wednesday, January 12, 2011 Page 18 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 768.88Million Btus/hr Collected during run 1 of Method 6C and 7E 0

1 Coal Feed Rate 28.82 tons/hr Collected during run 1 of Method 6C and 7E 0



### 1 Total Steam Flow 517.741000 lb steam/hr Collected during run 1 of Method 6C and 7E 0

1 Boiler 1 Reactor dP 4.41 in-H2O Collected during run 1 of Method 6C and 7E 0

1 Boiler 2 Reactor dP 3.27 in-H20 Collected during run 1 of Method 6C and 7E 0

1 Total NH3 Flow 54.5 lb/hr Collected during run 1 of Method 6C and 7E 0



### 1 Total Slurry Flow 156.56 gpm Collected during run 1 of Method 6C and 7E 0

1 Gross MW 68.02 MW Collected during run 1 of Method 6C and 7E 0

1 Flue Gas CO2 11.58 % Collected during run 1 of Method 6C and 7E 0

1 Net MW 62.65 MW Collected during run 1 of Method 6C and 7E 0



### 2 Heat Input 769.99Million Btus/hr Collected during run 2 of Method 6C and 7E 0

2 Coal Feed Rate 28.86 tons/hr Collected during run 2 of Method 6C and 7E 0

2 Total Steam Flow 515.681000 lb steam/hr Collected during run 2 of Method 6C and 7E 0

2 Boiler 1 Reactor dP 4.26 in-H2O Collected during run 2 of Method 6C and 7E 0



### 2 Boiler 2 Reactor dP 3.15 in-H20 Collected during run 2 of Method 6C and 7E 0

Wednesday, January 12, 2011 Page 19 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 2 Total NH3 Flow 52.83 lb/hr Collected during run 2 of Method 6C and 7E 0

2 Total Slurry Flow 153.86 gpm Collected during run 2 of Method 6C and 7E 0



### 2 Gross MW 68.04 MW Collected during run 2 of Method 6C and 7E 0

2 Flue Gas CO2 11.65 % Collected during run 2 of Method 6C and 7E 0

2 Net MW 62.74 MW Collected during run 2 of Method 6C and 7E 0

3 Heat Input 768.7Million Btus/hr Collected during run 3 of Method 6C and 7E 0



### 3 Coal Feed Rate 28.81 tons/hr Collected during run 3 of Method 6C and 7E 0

3 Total Steam Flow 517.41000 lb steam/hr Collected during run 3 of Method 6C and 7E 0

3 Boiler 1 Reactor dP 4.26 in-H2O Collected during run 3 of Method 6C and 7E 0

3 Boiler 2 Reactor dP 2.96 in-H20 Collected during run 3 of Method 6C and 7E 0



### 3 Total NH3 Flow 45.53 lb/hr Collected during run 3 of Method 6C and 7E 0

3 Total Slurry Flow 156.91 gpm Collected during run 3 of Method 6C and 7E 0

3 Gross MW 67.91 MW Collected during run 3 of Method 6C and 7E 0

3 Flue Gas CO2 11.63 % Collected during run 3 of Method 6C and 7E 0

3 Net MW 62.63 MW Collected during run 3 of Method 6C and 7E 0



### 4 Heat Input 773.56Million Btus/hr Collected during M26A run 1 0

4 Coal Feed Rate 28.99 tons/hr Collected during M26A run 1 0



### Wednesday, January 12, 2011 Page 20 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 4 Total Steam Flow 515.721000 lb steam/hr Collected during M26A run 1 0



### 4 Boiler 1 Reactor dP 4.58 in-H2O Collected during M26A run 1 0

4 Boiler 2 Reactor dP 3.55 in-H20 Collected during M26A run 1 0

4 Total NH3 Flow 71.1 lb/hr Collected during M26A run 1 0



### 4 Total Slurry Flow 162.4 gpm Collected during M26A run 1 0

4 Gross MW 68.34 MW Collected during M26A run 1 0



### 4 Flue Gas CO2 11.62 % Collected during M26A run 1 0

4 Net MW 63.03 MW Collected during M26A run 1 0



### 5 Heat Input 767.76Million Btus/hr Collected during M26A run 2 0

5 Coal Feed Rate 28.78 tons/hr Collected during M26A run 2 0



### 5 Total Steam Flow 512.111000 lb steam/hr Collected during M26A run 2 0

5 Boiler 1 Reactor dP 4.61 in-H2O Collected during M26A run 2 0



### 5 Boiler 2 Reactor dP 3.07 in-H20 Collected during M26A run 2 0

5 Total NH3 Flow 63.88 lb/hr Collected during M26A run 2 0



### 5 Total Slurry Flow 159.8 gpm Collected during M26A run 2 0

5 Gross MW 67.88 MW Collected during M26A run 2 0



### 5 Flue Gas CO2 11.46 % Collected during M26A run 2 0

5 Net MW 62.56 MW Collected during M26A run 2 0

6 Heat Input 772.6Million Btus/hr Collected during M26A run 3 0



### 6 Coal Feed Rate 28.96 tons/hr Collected during M26A run 3 0

6 Total Steam Flow 515.391000 lb steam/hr Collected during M26A run 3 0



### 6 Boiler 1 Reactor dP 4.55 in-H2O Collected during M26A run 3 0

6 Boiler 2 Reactor dP 3.29 in-H20 Collected during M26A run 3 0



### Wednesday, January 12, 2011 Page 21 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 6 Total NH3 Flow 79.35 lb/hr Collected during M26A run 3 0



### 6 Total Slurry Flow 164.91 gpm Collected during M26A run 3 0

6 Gross MW 68.34 MW Collected during M26A run 3 0

6 Flue Gas CO2 11.48 % Collected during M26A run 3 0



### 6 Net MW 62.95 MW Collected during M26A run 3 0

7 Heat Input 771.15Million Btus/hr Collected during M23 run 2 0



### 7 Coal Feed Rate 28.9 tons/hr Collected during M23 run 2 0

7 Total Steam Flow 514.621000 lb steam/hr Collected during M23 run 2 0



### 7 Boiler 1 Reactor dP 4.54 in-H2O Collected during M23 run 2 0

7 Boiler 2 Reactor dP 3.23 in-H20 Collected during M23 run 2 0



### 7 Total NH3 Flow 74.66 lb/hr Collected during M23 run 2 0

7 Total Slurry Flow 163.89 gpm Collected during M23 run 2 0



### 7 Gross MW 68.21 MW Collected during M23 run 2 0

7 Flue Gas CO2 11.47 % Collected during M23 run 2 0



### 7 Net MW 62.83 MW Collected during M23 run 2 0

8 Heat Input 769.08Million Btus/hr Collected during M23 run 3 0



### 8 Coal Feed Rate 28.83 tons/hr Collected during M23 run 3 0

8 Total Steam Flow 517.741000 lb steam/hr Collected during M23 run 3 0

8 Boiler 1 Reactor dP 4.47 in-H2O Collected during M23 run 3 0



### 8 Boiler 2 Reactor dP 3.3 in-H20 Collected during M23 run 3 0

8 Total NH3 Flow 54.06 lb/hr Collected during M23 run 3 0



### 8 Total Slurry Flow 155.32 gpm Collected during M23 run 3 0

8 Gross MW 68.04 MW Collected during M23 run 3 0



### Wednesday, January 12, 2011 Page 22 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 8 Flue Gas CO2 11.55 % Collected during M23 run 3 0



### 8 Net MW 62.66 MW Collected during M23 run 3 0

9 Heat Input 764.15Million Btus/hr Collected during M23 run 4 0

9 Coal Feed Rate 28.64 tons/hr Collected during M23 run 4 0



### 9 Total Steam Flow 516.291000 lb steam/hr Collected during M23 run 4 0

9 Boiler 1 Reactor dP 4.32 in-H2O Collected during M23 run 4 0



### 9 Boiler 2 Reactor dP 3.14 in-H20 Collected during M23 run 4 0

9 Total NH3 Flow 63.59 lb/hr Collected during M23 run 4 0



### 9 Total Slurry Flow 165.67 gpm Collected during M23 run 4 0

9 Gross MW 67.57 MW Collected during M23 run 4 0



### 9 Flue Gas CO2 11.77 % Collected during M23 run 4 0

9 Net MW 62.26 MW Collected during M23 run 4 0



### 10Heat Input 768.37Million Btus/hr Collected during OTM-27/28 run 1 0

10Coal Feed Rate 28.8 tons/hr Collected during OTM-27/28 run 1 0



### 10Total Steam Flow 517.791000 lb steam/hr Collected during OTM-27/28 run 1 0

10Boiler 1 Reactor dP 4.45 in-H2O Collected during OTM-27/28 run 1 0



### 10Boiler 2 Reactor dP 3.35 in-H20 Collected during OTM-27/28 run 1 0

10Total NH3 Flow 53.85 lb/hr Collected during OTM-27/28 run 1 0

10Total Slurry Flow 155.68 gpm Collected during OTM-27/28 run 1 0



### 10Gross MW 67.99 MW Collected during OTM-27/28 run 1 0

10Flue Gas CO2 11.56 % Collected during OTM-27/28 run 1 0



### 10Net MW 62.61 MW Collected during OTM-27/28 run 1 0

11Heat Input 769.92Million Btus/hr Collected during OTM-27/28 run 2 0



### Wednesday, January 12, 2011 Page 23 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 11Coal Feed Rate 28.86 tons/hr Collected during OTM-27/28 run 2 0



### 11Total Steam Flow 516.361000 lb steam/hr Collected during OTM-27/28 run 2 0

11Boiler 1 Reactor dP 4.27 in-H2O Collected during OTM-27/28 run 2 0

11Boiler 2 Reactor dP 3.01 in-H20 Collected during OTM-27/28 run 2 0



### 11Total NH3 Flow 49.02 lb/hr Collected during OTM-27/28 run 2 0

11Total Slurry Flow 155.29 gpm Collected during OTM-27/28 run 2 0



### 11Gross MW 68.02 MW Collected during OTM-27/28 run 2 0

11Flue Gas CO2 11.65 % Collected during OTM-27/28 run 2 0



### 11Net MW 62.73 MW Collected during OTM-27/28 run 2 0

12Heat Input 768.88Million Btus/hr Collected during OTM-27/28 run 3 0



### 12Coal Feed Rate 28.82 tons/hr Collected during OTM-27/28 run 3 0

12Total Steam Flow 519.171000 lb steam/hr Collected during OTM-27/28 run 3 0



### 12Boiler 1 Reactor dP 4.32 in-H2O Collected during OTM-27/28 run 3 0

12Boiler 2 Reactor dP 3.33 in-H20 Collected during OTM-27/28 run 3 0



### 12Total NH3 Flow 45.17 lb/hr Collected during OTM-27/28 run 3 0

12Total Slurry Flow 160.96 gpm Collected during OTM-27/28 run 3 0



### 12Gross MW 67.94 MW Collected during OTM-27/28 run 3 0

12Flue Gas CO2 11.61 % Collected during OTM-27/28 run 3 0

12Net MW 62.65 MW Collected during OTM-27/28 run 3 0



### 13Heat Input 770.17Million Btus/hr Collected during M29 run 1 0

13Coal Feed Rate 28.87 tons/hr Collected during M29 run 1 0



### 13Total Steam Flow 515.931000 lb steam/hr Collected during M29 run 1 0

13Boiler 1 Reactor dP 4.28 in-H2O Collected during M29 run 1 0



### Wednesday, January 12, 2011 Page 24 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 13Boiler 2 Reactor dP 3 in-H20 Collected during M29 run 1 0



### 13Total NH3 Flow 49.78 lb/hr Collected during M29 run 1 0

13Total Slurry Flow 154.8 gpm Collected during M29 run 1 0

13Gross MW 68.04 MW Collected during M29 run 1 0



### 13Flue Gas CO2 11.66 % Collected during M29 run 1 0

13Net MW 62.75 MW Collected during M29 run 1 0



### 14Heat Input 768.65Million Btus/hr Collected during M29 run 2 0

14Coal Feed Rate 28.81 tons/hr Collected during M29 run 2 0



### 14Total Steam Flow 519.191000 lb steam/hr Collected during M29 run 2 0

14Boiler 1 Reactor dP 4.32 in-H2O Collected during M29 run 2 0



### 14Boiler 2 Reactor dP 3.3 in-H20 Collected during M29 run 2 0

14Total NH3 Flow 44.9 lb/hr Collected during M29 run 2 0



### 14Total Slurry Flow 160.62 gpm Collected during M29 run 2 0

14Gross MW 67.92 MW Collected during M29 run 2 0



### 14Flue Gas CO2 11.6 % Collected during M29 run 2 0

14Net MW 62.63 MW Collected during M29 run 2 0



### 15Heat Input 769.5Million Btus/hr Collected during M29 run 3 0

15Coal Feed Rate 28.84 tons/hr Collected during M29 run 3 0

15Total Steam Flow 520.551000 lb steam/hr Collected during M29 run 3 0



### 15Boiler 1 Reactor dP 4.41 in-H2O Collected during M29 run 3 0

15Boiler 2 Reactor dP 3.13 in-H20 Collected during M29 run 3 0



### 15Total NH3 Flow 63.91 lb/hr Collected during M29 run 3 0

15Total Slurry Flow 168.33 gpm Collected during M29 run 3 0



### Wednesday, January 12, 2011 Page 25 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 15Gross MW 68.04 MW Collected during M29 run 3 0



### 15Flue Gas CO2 11.76 % Collected during M29 run 3 0

15Net MW 62.7 MW Collected during M29 run 3 0

16Heat Input 775.53Million Btus/hr Collected during M0011 run 1 0



### 16Coal Feed Rate 29.07 tons/hr Collected during M0011 run 1 0

16Total Steam Flow 510.641000 lb steam/hr Collected during M0011 run 1 0



### 16Boiler 1 Reactor dP 4.33 in-H2O Collected during M0011 run 1 0

16Boiler 2 Reactor dP 2.95 in-H20 Collected during M0011 run 1 0



### 16Total NH3 Flow 48.59 lb/hr Collected during M0011 run 1 0

16Total Slurry Flow 168.46 gpm Collected during M0011 run 1 0



### 16Gross MW 68.57 MW Collected during M0011 run 1 0

16Flue Gas CO2 11.73 % Collected during M0011 run 1 0



### 16Net MW 63.19 MW Collected during M0011 run 1 0

17Heat Input 772.99Million Btus/hr Collected during run 1 of Method 10 and 25A 0

17Coal Feed Rate 28.97 tons/hr Collected during run 1 of Method 10 and 25A 0



### 17Total Steam Flow 509.871000 lb steam/hr Collected during run 1 of Method 10 and 25A 0

17Boiler 1 Reactor dP 4.36 in-H2O Collected during run 1 of Method 10 and 25A 0

17Boiler 2 Reactor dP 2.99 in-H20 Collected during run 1 of Method 10 and 25A 0

17Total NH3 Flow 47.09 lb/hr Collected during run 1 of Method 10 and 25A 0



### 17Total Slurry Flow 170.73 gpm Collected during run 1 of Method 10 and 25A 0

Wednesday, January 12, 2011 Page 26 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 17Gross MW 68.39 MW Collected during run 1 of Method 10 and 25A 0

17Flue Gas CO2 11.6 % Collected during run 1 of Method 10 and 25A 0



### 17Net MW 62.98 MW Collected during run 1 of Method 10 and 25A 0

18Heat Input 767.6Million Btus/hr Collected during run 2 of Method 0011, 10, and 25A 0

18Coal Feed Rate 28.77 tons/hr Collected during run 2 of Method 0011, 10, and 25A 0

18Total Steam Flow 509.311000 lb steam/hr Collected during run 2 of Method 0011, 10, and 25A 0



### 18Boiler 1 Reactor dP 4.54 in-H2O Collected during run 2 of Method 0011, 10, and 25A 0

18Boiler 2 Reactor dP 3.5 in-H20 Collected during run 2 of Method 0011, 10, and 25A 0

18Total NH3 Flow 45.15 lb/hr Collected during run 2 of Method 0011, 10, and 25A 0

18Total Slurry Flow 176.09 gpm Collected during run 2 of Method 0011, 10, and 25A 0



### 18Gross MW 67.97 MW Collected during run 2 of Method 0011, 10, and 25A 0

18Flue Gas CO2 11.57 % Collected during run 2 of Method 0011, 10, and 25A 0

18Net MW 62.54 MW Collected during run 2 of Method 0011, 10, and 25A 0

19Heat Input 766.05Million Btus/hr Collected during run 3 of Method 0011, 10, and 25A 0

19Coal Feed Rate 28.71 tons/hr Collected during run 3 of Method 0011, 10, and 25A 0



### 19Total Steam Flow 509.331000 lb steam/hr Collected during run 3 of Method 0011, 10, and 25A 0

Wednesday, January 12, 2011 Page 27 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010

APCD Run Data

Process Lab Run Data 19Boiler 1 Reactor dP 4.48 in-H2O Collected during run 3 of Method 0011, 10, and 25A 0

19Boiler 2 Reactor dP 3.77 in-H20 Collected during run 3 of Method 0011, 10, and 25A 0



### 19Total NH3 Flow 45.15 lb/hr Collected during run 3 of Method 0011, 10, and 25A 0

19Total Slurry Flow 174.14 gpm Collected during run 3 of Method 0011, 10, and 25A 0

19Gross MW 67.83 MW Collected during run 3 of Method 0011, 10, and 25A 0

19Flue Gas CO2 11.6 % Collected during run 3 of Method 0011, 10, and 25A 0



### 19Net MW 62.42 MW Collected during run 3 of Method 0011, 10, and 25A 0

Run Name Value UOM Comments Target Value 

### 1 OVERFIRE AIR 0 0 1 DRY LIMESTONE INJECTION 0 0 

### 1 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 0 0

1 BAGHOUSE 0 0



### Wednesday, January 12, 2011 Page 28 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Sampling / Stack Data Results Detail


### Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 4/23/2010 4/23/2010 4/23/2010 Run Start Time Run Finish Time Net Traversing Points 24 24 24 Net Run Time, minutes 120 120 120 Nozzle Diameter, inches 0.218 0.218 0.218 0.218 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 29.84 29.84 29.84 29.840 Average Orifice Meter Differential, inches H2O 3.03 3.14 3.07 3.080 Dry Gas Meter Volume Sampled, cubic feet 111.306 114.113 113.215 112.878 Average Dry Gas Meter Temperature, °F 73.58 79.50 79.88 77.653 Dry Gas Meter Volume Sampled, dscf 110.280 111.851 110.874 111.002 Total Moisture Liquid collected, g 376.2 374.4 364.6 371.733 Volume of Water Vapor, standard cubic feet 17.71 17.62 17.16 17.497 Moisture Content of Stack Gas, % 13.84 13.61 13.40 13.617 Moisture Saturation at Stack Gas Temperature, % 98.90 100.00 100.00 99.633 Dry Mole Fraction 0.8616 0.8639 0.866 0.864 Carbon Dioxide, % 13.578 13.624 13.634 13.612 Oxygen, % 5.536 5.484 5.482 5.501 Carbon Monoxide & Nitrogen, % 80.886 80.892 80.884 80.887 Fuel Factor 1.13 1.13 1.13 Dry Molecular Weight, lb/lb-Mole 30.39 30.40 30.40 30.397 Wet Molecular weight, lb/lb-Mole 28.68 28.71 28.74 28.710 Flue Gas Static Pressure, inches of H2O -0.85 -0.85 -0.89 -0.863 Absolute Flue Gas Pressure, inches of Mercury 29.78 29.78 29.77 29.777 Average Stack Gas Temperature, °F 211.21 214.13 214.96 213.433 Average Velocity Head, inches of H2O 1.9202522218 27381.984267857

898121.930548056

9238 1.945
Average Stack Gas Velocity, feet/second 88.22 89.82 88.62 88.887 Stack Cross-Sectional Area, square feet 50.265 50.265 50.265 50.265 Dry Volumetric Flow Rate, dry scfm 179,485.1 182,434.4 180,152.3180,690.600 Actual Wet Volumetric Flue Gas Flow Rate, acfm 266,062.7 270,888.1 267,269.1268,073.300 Percent Isokinetic of Sampling Rate, % 99.3 99.1 99.5 99.300 Percent Excess Air, % 35.0 34.6 34.5 34.700 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 96 96 96 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



### Wednesday, January 12, 2011 Page 29 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 10 Average Run Number 1 2 3 Test Date 4/23/2010 4/23/2010 4/23/2010 Run Start Time 9:50:00 AM12:20:00 PM 3:42:00 PM Run Finish Time 11:50:00 AM2:20:00 PM 5:42:00 PM Carbon Dioxide, % 13.578 13.624 13.634 13.612 Oxygen, % 5.536 5.484 5.482 5.501 Fuel Factor 1.13 1.13 1.13 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 0 0 0 0.000 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Pre Zero Cylinder Instrument Response 1.59 1.63 1.63 1.617 Calibration Pre Zero Cylinder Bias 0.77 0.79 0.79 0.783 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC41590 CC41590 CC41590 Calibration Pre High Cylinder Instrument Response 204.33 203.51 205.12 204.320 Calibration Pre High Cylinder Bias 1.26 0.85 1.65 1.253 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Post Zero Cylinder Instrument Response 1.63 1.63 1.61 1.623 Calibration Post Zero Cylinder Bias 0.79 0.79 0.78 0.787 Calibration Post Zero Cylinder Drift 0.02 0 0.01 0.010 Calibration Post High Cylinder ID CC41590 CC41590 CC41590 Calibration Post High Cylinder Instrument Response 203.51 205.12 204.3 204.310 Calibration Post High Cylinder Bias 0.85 1.65 1.24 1.247 Calibration Post High Cylinder Drift 0.41 0.8 0.41 0.540 Cavg 148.99 137.48 157.59 148.020 Cavg Units ppmvd ppmvd ppmvd Cgas 146.4257 134.7206 154.3649 145.170 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Wednesday, January 12, 2011 Page 30 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 23 Average Run Number 2 3 4 Test Date 4/20/2010 4/21/2010 4/24/2010 Run Start Time Run Finish Time Net Traversing Points 96 96 96 Net Run Time, minutes 480 480 480 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 30.18 29.95 29.91 30.013 Average Orifice Meter Differential, inches H2O 3.15 3.06 3.08 3.097 Dry Gas Meter Volume Sampled, cubic feet 459.015 449.316 465.473 457.935 Average Dry Gas Meter Temperature, °F 80.18 68.32 71.96 73.487 Dry Gas Meter Volume Sampled, dscf 454.441 451.286 463.722 456.483 Total Moisture Liquid collected, g 1394.8 1432.1 1551.8 1,459.567 Volume of Water Vapor, standard cubic feet 65.65 67.41 73.04 68.700 Moisture Content of Stack Gas, % 12.62 13.00 13.61 13.077 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8738 0.87 0.8639 0.869 Carbon Dioxide, % 13.3 13.3 13.4 13.333 Oxygen, % 5.9 5.8 5.8 5.833 Carbon Monoxide & Nitrogen, % 80.8 80.9 80.8 80.833 Fuel Factor 1.13 1.14 1.13 Dry Molecular Weight, lb/lb-Mole 30.36 30.36 30.38 30.367 Wet Molecular weight, lb/lb-Mole 28.80 28.75 28.70 28.750 Flue Gas Static Pressure, inches of H2O -0.85 -0.85 -0.96 -0.887 Absolute Flue Gas Pressure, inches of Mercury 30.12 29.89 29.84 29.950 Average Stack Gas Temperature, °F 214.49 214.30 213.23 214.007 Average Velocity Head, inches of H2O 1.9669282762 33661.908145006

138141.968100783

06105 1.948
Average Stack Gas Velocity, feet/second 88.81 87.87 89.32 88.667 Stack Cross-Sectional Area, square feet 50.265 50.265 50.265 50.265 Dry Volumetric Flow Rate, dry scfm 184,434.7 180,352.4 182,027.4182,271.500 Actual Wet Volumetric Flue Gas Flow Rate, acfm 267,842.1 265,007.1 269,380.2267,409.800 Percent Isokinetic of Sampling Rate, % 101.4 103.0 104.8 103.067 Percent Excess Air, % 38.2 37.3 37.3 37.600 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 96 96 96 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



### Wednesday, January 12, 2011 Page 31 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 4/23/2010 4/23/2010 4/23/2010 Run Start Time 9:50:00 AM12:20:00 PM 3:42:00 PM Run Finish Time 11:50:00 AM2:20:00 PM 5:42:00 PM Carbon Dioxide, % Oxygen, % 5.536 5.484 5.482 5.501 Fuel Factor 0 0 0 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 13.99 13.87 13.71 13.857 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 2 2 2 2.000 Calibration Pre Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Pre Zero Cylinder Instrument Response 0.023 0.023 0.023 0.023 Calibration Pre Zero Cylinder Bias 0 0 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC178755 CC178755 CC178755 Calibration Pre High Cylinder Instrument Response 6.85 6.706 6.526 6.694 Calibration Pre High Cylinder Bias -1.36 -3.41 -5.98 -3.583 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Post Zero Cylinder Instrument Response 0.023 0.023 0.023 0.023 Calibration Post Zero Cylinder Bias 0 0 0 0.000 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID CC178755 CC178755 CC178755 Calibration Post High Cylinder Instrument Response 6.706 6.526 6.466 6.566 Calibration Post High Cylinder Bias -3.41 -5.98 -6.84 -5.410 Calibration Post High Cylinder Drift 2.05 2.570.859999999 999999 1.827
Cavg 0.023 0.023 0.023 0.023 Cavg Units ppmvw ppmvw ppmvw Cgas 0 0 0 0.000 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units ppmvw ppmvw ppmvw



### Wednesday, January 12, 2011 Page 32 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/19/2010 4/20/2010 4/20/2010 Run Start Time Run Finish Time Net Traversing Points 48 48 48 Net Run Time, minutes 192 192 192 Nozzle Diameter, inches 0.218 0.218 0.218 0.218 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9873 0.9873 0.9873 0.987 Barometric Pressure, inches of Mercury 30.32 30.18 30.18 30.227 Average Orifice Meter Differential, inches H2O 2.98 2.98 3.02 2.993 Dry Gas Meter Volume Sampled, cubic feet 185.050 185.203 186.992 185.748 Average Dry Gas Meter Temperature, °F 80.96 85.33 83.44 83.243 Dry Gas Meter Volume Sampled, dscf 182.013 179.875 182.262 181.383 Total Moisture Liquid collected, g 625.4 630.8 634.3 630.167 Volume of Water Vapor, standard cubic feet 29.44 29.69 29.86 29.663 Moisture Content of Stack Gas, % 13.92 14.17 14.08 14.057 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8608 0.8583 0.8592 0.859 Carbon Dioxide, % 13.59 13.32 13.81 13.573 Oxygen, % 5.56 5.87 5.96 5.797 Carbon Monoxide & Nitrogen, % 80.85 80.81 80.23 80.630 Fuel Factor 1.13 1.13 1.08 Dry Molecular Weight, lb/lb-Mole 30.40 30.37 30.45 30.407 Wet Molecular weight, lb/lb-Mole 28.67 28.62 28.70 28.663 Flue Gas Static Pressure, inches of H2O -0.85 -0.85 -0.85 -0.850 Absolute Flue Gas Pressure, inches of Mercury 30.26 30.12 30.12 30.167 Average Stack Gas Temperature, °F 216.42 215.96 216.77 216.383 Average Velocity Head, inches of H2O 1.9152095833 28691.924082249

493321.953380625

4626 1.931
Average Stack Gas Velocity, feet/second 87.75 88.21 88.81 88.257 Stack Cross-Sectional Area, square feet 50.265 50.265 50.265 50.265 Dry Volumetric Flow Rate, dry scfm 179,842.0 179,547.8 180,742.1180,043.967 Actual Wet Volumetric Flue Gas Flow Rate, acfm 264,645.2 266,032.5 267,842.1266,173.267 Percent Isokinetic of Sampling Rate, % 102.2 101.2 101.8 101.733 Percent Excess Air, % 35.2 38.0 39.2 37.467 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 96 96 96 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



### Wednesday, January 12, 2011 Page 33 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 29 Average Run Number 1 2 3 Test Date 4/22/2010 4/22/2010 4/24/2010 Run Start Time Run Finish Time Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.218 0.218 0.218 0.218 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 29.9 29.9 29.91 29.903 Average Orifice Meter Differential, inches H2O 3.02 3.03 2.95 3.000 Dry Gas Meter Volume Sampled, cubic feet 223.709 224.459 218.891 222.353 Average Dry Gas Meter Temperature, °F 70.20 78.39 74.16 74.250 Dry Gas Meter Volume Sampled, dscf 223.500 220.844 217.100 220.481 Total Moisture Liquid collected, g 735.1 766.2 751.2 750.833 Volume of Water Vapor, standard cubic feet 34.60 36.07 35.36 35.343 Moisture Content of Stack Gas, % 13.41 14.04 14.01 13.820 Moisture Saturation at Stack Gas Temperature, % 97.79 97.50 100.00 98.430 Dry Mole Fraction 0.8659 0.8596 0.8599 0.862 Carbon Dioxide, % 13.55 13.66 13.43 13.547 Oxygen, % 5.53 5.445 5.63 5.535 Carbon Monoxide & Nitrogen, % 80.92 80.895 80.94 80.918 Fuel Factor 1.13 1.13 1.14 Dry Molecular Weight, lb/lb-Mole 30.39 30.40 30.37 30.387 Wet Molecular weight, lb/lb-Mole 28.73 28.66 28.64 28.677 Flue Gas Static Pressure, inches of H2O -0.96 -0.96 -0.96 -0.960 Absolute Flue Gas Pressure, inches of Mercury 29.83 29.83 29.84 29.833 Average Stack Gas Temperature, °F 210.73 210.58 213.17 211.493 Average Velocity Head, inches of H2O 1.8667336572 9841.885466352

585971.846337398

70628 1.866
Average Stack Gas Velocity, feet/second 86.80 87.33 86.60 86.910 Stack Cross-Sectional Area, square feet 50.265 50.265 50.265 50.265 Dry Volumetric Flow Rate, dry scfm 177,902.6 177,726.3 175,682.8177,103.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 261,780.1 263,378.5 261,176.9262,111.833 Percent Isokinetic of Sampling Rate, % 101.5 100.4 99.8 100.567 Percent Excess Air, % 34.9 34.2 35.8 34.967 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 96 96 96 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



### Wednesday, January 12, 2011 Page 34 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 6C Average Run Number 1 2 3 Test Date 4/21/2010 4/22/2010 4/22/2010 Run Start Time 3:51:00 PM7:11:00 AM11:24:00 AM Run Finish Time 6:51:00 PM10:11:00 AM 2:24:00 PM Carbon Dioxide, % 13.529 13.583 13.53 13.547 Oxygen, % 5.563 5.526 5.534 5.541 Fuel Factor 1.13 1.13 1.14 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 0 0 0 0.000 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 3 4 5 4.000 Calibration Pre Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Pre Zero Cylinder Instrument Response 1.884 2.12 1.989 1.998 Calibration Pre Zero Cylinder Bias 1.04 0.62 0.91 0.857 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC122146 CC122146 CC122146 Calibration Pre High Cylinder Instrument Response 86.623 88.37 86.02 87.004 Calibration Pre High Cylinder Bias -4.18 -3.71 -3.87 -3.920 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Post Zero Cylinder Instrument Response 0.794 5.324 3.578 3.232 Calibration Post Zero Cylinder Bias -0.16 4.14 2.65 2.210 Calibration Post Zero Cylinder Drift 1.2 3.52 1.74 2.153 Calibration Post High Cylinder ID CC122146 CC122146 CC122146 Calibration Post High Cylinder Instrument Response 85.954 88.842 85.389 86.728 Calibration Post High Cylinder Bias -4.92 -3.19 -4.56 -4.223 Calibration Post High Cylinder Drift 0.74 0.52 0.69 0.650 Cavg 13.059 11.794 12.061 12.305 Cavg Units ppmvd ppmvd ppmvd Cgas 12.5561 8.6545 10.1825 10.464 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units ppmvw



### Wednesday, January 12, 2011 Page 35 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - Method 7E Average Run Number 1 2 3 Test Date 4/21/2010 4/22/2010 4/22/2010 Run Start Time 3:51:00 PM7:11:00 AM11:24:00 AM Run Finish Time 6:51:00 PM10:11:00 AM 2:24:00 PM Carbon Dioxide, % 13.529 13.583 13.53 13.547 Oxygen, % 5.563 5.526 5.534 5.541 Fuel Factor 1.13 1.13 1.14 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 0 0 0 0.000 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 6 7 8 7.000 Calibration Pre Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Pre Zero Cylinder Instrument Response 0.15 0.32 0.42 0.297 Calibration Pre Zero Cylinder Bias -0.04 0.02 0.03 0.003 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SG9154467SG9154467 SG9154467 Calibration Pre High Cylinder Instrument Response 435.02 436.29 438.2 436.503 Calibration Pre High Cylinder Bias -3.32 -3.42 -2.79 -3.177 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Post Zero Cylinder Instrument Response 0.68 0.15 0.83 0.553 Calibration Post Zero Cylinder Bias 0.08 -0.02 0.12 0.060 Calibration Post Zero Cylinder Drift 0.12 0.04 0.09 0.083 Calibration Post High Cylinder ID SG9154467SG9154467 SG9154467 Calibration Post High Cylinder Instrument Response 432.41 436.96 443.25 437.540 Calibration Post High Cylinder Bias -3.9 -3.27 -1.67 -2.947 Calibration Post High Cylinder Drift 0.58 0.15 1.12 0.617 Cavg 174.46 174.45 183.5 177.470 Cavg Units ppmvd ppmvd ppmvd Cgas 180.4316 179.329 186.6563 182.139 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Wednesday, January 12, 2011 Page 36 of 37

### Utility Boiler MACT ICR - Hopewell Power Station Units 1 & 2
8/19/2010 Location Stack Exit - OTM - 27/28 Average Run Number 1 2 3 Test Date 4/21/2010 4/22/2010 4/22/2010 Run Start Time Run Finish Time Net Traversing Points 12 12 12 Net Run Time, minutes 366.5 327 332.25 Nozzle Diameter, inches 0.138 0.138 0.138 0.138 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9873 0.9873 0.9873 0.987 Barometric Pressure, inches of Mercury 29.95 29.9 29.33 29.727 Average Orifice Meter Differential, inches H2O 0.41 0.42 0.44 0.423 Dry Gas Meter Volume Sampled, cubic feet 131.589 124.349 132.439 129.459 Average Dry Gas Meter Temperature, °F 59.58 72.58 77.33 69.830 Dry Gas Meter Volume Sampled, dscf 132.289 121.758 126.092 126.713 Total Moisture Liquid collected, g 415.7 395.5 414.6 408.600 Volume of Water Vapor, standard cubic feet 19.57 18.62 19.52 19.237 Moisture Content of Stack Gas, % 12.89 13.26 13.41 13.187 Moisture Saturation at Stack Gas Temperature, % 100.00 97.46 100.00 99.153 Dry Mole Fraction 0.8711 0.8674 0.8659 0.868 Carbon Dioxide, % 13.49 13.509 13.66 13.553 Oxygen, % 5.572 5.543 5.445 5.520 Carbon Monoxide & Nitrogen, % 80.938 80.948 80.895 80.927 Fuel Factor 1.14 1.14 1.13 Dry Molecular Weight, lb/lb-Mole 30.38 30.38 30.40 30.387 Wet Molecular weight, lb/lb-Mole 28.78 28.74 28.74 28.753 Flue Gas Static Pressure, inches of H2O -0.85 -0.85 -0.85 -0.850 Absolute Flue Gas Pressure, inches of Mercury 29.89 29.84 29.27 29.667 Average Stack Gas Temperature, °F 215.83 210.58 213.08 213.163 Average Velocity Head, inches of H2O 2.0704771691 08532.053390797

42392.080910373

61646 2.068
Average Stack Gas Velocity, feet/second 91.59 90.99 92.66 91.747 Stack Cross-Sectional Area, square feet 50.265 50.265 50.265 50.265 Dry Volumetric Flow Rate, dry scfm 187,799.2 186,917.8 185,697.2186,804.733 Actual Wet Volumetric Flue Gas Flow Rate, acfm 276,226.3 274,416.7 279,453.3276,698.767 Percent Isokinetic of Sampling Rate, % 93.0 96.4 98.9 96.100 Percent Excess Air, % 35.3 35.0 34.2 34.833 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 96 96 96 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



### Wednesday, January 12, 2011 Page 37 of 37