### Name: Jim Burger

Title: I&C Supervisor Company: Spruance Genco, LLC Sign Date: Name: Lenny Katerynczuk Title: Project Manager Company:AirNova, Inc. Sign Date: Permitted Facility Representative / Date Testing Company Representative / Date 

## Spruance Unit 4 MACT ICR Testing

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, February 02, 2011 Page 1 of 33

### Spruance Unit 4 MACT ICR Testing

Facility Information: Spruance Genco, LLC
5001 Commerce Road

Richmond VA23234 Contact:Jim Burger Phone:(804) 743-9710 ext. 23 Fax: Email: jim.burger@richmondcogen.com Testing Company: AirNova, Inc. 5845 Clayton Avenue

Pennsauken NJ08109 Contact:Lenny Katerynczuk Phone:856-486-1500 Fax: 856-486-9896 Email:lenny@airnova.com

Air Permit Number: 51033 Permitted Source ID/Name: Spruance Genco, LLC 51033 Permitted Maximum Process Rate:Max. Normal Operation Process Rate: Target Process Test Rate

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:5176000399 FRS #:110000868865

SCC / Description10100205 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Traveling Grate (Overfeed) Stoker (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 124 1800 2700 4 0 12 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 1 0 Stack Exit Inorganic (Aqueous)

Condensible Part. Method 202 3 365 0 Stack Exit
Organic Condensible

Particulate Method 202 3 365 0 Stack Exit Regulation Description Compound Limit Unit Clean Air Act Section 114 0



### Wednesday, February 02, 2011 Page 2 of 33

### Spruance Unit 4 MACT ICR Testing

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 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 3 480 0 Stack Exit Other PeCDD Method 23 3 480 0 Stack Exit Other HxCDD Method 23 3 480 0 Stack Exit Other HpCDD Method 23 3 480 0 Stack Exit Other TCDF Method 23 3 480 0 Stack Exit Other PeCDF Method 23 3 480 0 Stack Exit Other HxCDF Method 23 3 480 0 Stack Exit Other HpCDF Method 23 3 480 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 PCBs Method 23 3 480 0 Stack Exit Total organic compounds

(TOC) as Propane Method 25A 3 180 0 Stack Exit
Hydrogen Chloride Method 26A 3 180 0 Stack Exit Hydrogen Fluoride Method 26A 3 180 0 Stack Exit Filterable PM2.5 OTM - 27/28 3 365 0 Stack Exit Nickel Method 29 3 360 0 Stack Exit Manganese Method 29 3 360 0 Stack Exit Selenium Method 29 3 360 0 Stack Exit Cadmium Method 29 3 360 0 Stack Exit Antimony Method 29 3 360 0 Stack Exit Beryllium Method 29 3 360 0 Stack Exit Arsenic Method 29 3 360 0 Stack Exit


### Wednesday, February 02, 2011 Page 3 of 33

### Spruance Unit 4 MACT ICR Testing

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.
None Cobalt Method 29 3 360 0 Stack Exit Chromium Method 29 3 360 0 Stack Exit Lead Method 29 3 360 0 Stack Exit Filterable Particulate Method 5 3 360 0 Stack Exit Sulfur Dioxide Method 6C 3 180 0 Stack Exit Nitrogen oxides (NOx) Method 7E 3 180 0 Stack Exit



### Wednesday, February 02, 2011 Page 4 of 33

### Spruance Unit 4 MACT ICR Testing

Sampling / Stack Data Results Summary


### LocationStack Exit - Method 0011 Average Run Number 1 2 3
Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:24:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 11:33:00 AM3:20:00 PM 7:11:00 PM Net Run Time, minutes 120 120 120 Dry Gas Meter Volume Sampled, dscf 82.339 80.649 72.589 78.526 Moisture Content of Stack Gas, % 12.06 13.02 13.74 12.940 Moisture Saturation at Stack Gas Temperature, % 70.74 69.90 64.21 68.283 Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Average Stack Gas Temperature, °F 195.33 194.67 190.58 193.527 Dry Volumetric Flow Rate, dry scfm 162,724.2 162,982.8 142,161.7 155,956.233 Actual Wet Volumetric Flue Gas Flow Rate, acfm 228,593.8 231,713.5 202,931.7221,079.667 Percent Isokinetic of Sampling Rate, % 105.4 103.1 106.4 104.967 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



### LocationStack Exit - Method 10 Average Run Number 1 2 3
Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:24:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 11:33:00 AM3:20:00 PM 7:11:00 PM Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Dry Volumetric Flow Rate, dry scfm 161627 161854 143167 155,549.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 12.1 13 12.3 12.467 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Wednesday, February 02, 2011 Page 5 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 10 3 Average Run Number 4 5 6
Test Date 4/20/2010 4/21/2010 4/22/2010 Run Start Time 9:25:00 AM 7:11:00 AM 7:00:00 AM

Run Finish Time 5:36:00 PM8:37:00 PM 3:09:00 PM Carbon Dioxide, % 15.39 14.99 15.36 15.247 Oxygen, % 4.13 3.84 3.97 3.980 Dry Volumetric Flow Rate, dry scfm 164282 167752 163886 165,306.667 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 12.5 13.1 12.5 12.700 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### LocationStack Exit - Method 202 Average Run Number 1 2 3
Test Date 4/20/2010 4/21/2010 4/21/2010 Run Start Time 9:25:00 AM 7:11:00 AM 2:12:00 PM

Run Finish Time 3:58:00 PM1:17:00 PM 8:37:00 PM Net Run Time, minutes 373 371.1 371.6 Dry Gas Meter Volume Sampled, dscf 124.798 123.357 122.152 123.436 Moisture Content of Stack Gas, % 12.94 13.18 13.24 13.120 Moisture Saturation at Stack Gas Temperature, % 63.74 60.78 61.11 61.877 Carbon Dioxide, % 15.4 14.95 14.9 15.083 Oxygen, % 4.14 3.86 3.82 3.940 Average Stack Gas Temperature, °F 190.33 188.00 188.25 188.860 Dry Volumetric Flow Rate, dry scfm 170,569.2 169,543.4 169,574.3 169,895.633 Actual Wet Volumetric Flue Gas Flow Rate, acfm 240,670.0 239,663.7 239,965.6240,099.767 Percent Isokinetic of Sampling Rate, % 93.1 93.0 92.0 92.700 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, February 02, 2011 Page 6 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 23 Average Run Number 1 2 3
Test Date 4/20/2010 4/21/2010 4/22/2010 Run Start Time 9:25:00 AM 12:38:00 AM 7:00:00 AM

Run Finish Time 5:36:00 PM8:37:00 PM 3:09:00 PM Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 267.868 272.509 262.939 267.772 Moisture Content of Stack Gas, % 12.48 13.11 12.49 12.693 Moisture Saturation at Stack Gas Temperature, % 67.23 62.55 68.85 66.210 Carbon Dioxide, % 15.39 14.99 15.36 15.247 Oxygen, % 4.13 3.84 3.97 3.980 Average Stack Gas Temperature, °F 192.83 189.33 193.83 191.997 Dry Volumetric Flow Rate, dry scfm 165,385.4 168,905.9 164,993.3 166,428.200 Actual Wet Volumetric Flue Gas Flow Rate, acfm 233,021.7 239,059.9 233,474.6235,185.400 Percent Isokinetic of Sampling Rate, % 102.5 102.1 100.8 101.800 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



### LocationStack Exit - Method 25A Average Run Number 1 2 3
Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:24:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 11:33:00 AM3:20:00 PM 7:11:00 PM Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Dry Volumetric Flow Rate, dry scfm 161627 161854 143167 155,549.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 10.9 12.51 12.3 11.903 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Wednesday, February 02, 2011 Page 7 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 26A Average Run Number 1 2 3
Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:23:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 12:35:00 PM4:22:00 PM 8:17:00 PM Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 121.416 118.815 105.266 115.166 Moisture Content of Stack Gas, % 10.93 12.51 12.09 11.843 Moisture Saturation at Stack Gas Temperature, % 66.74 64.31 62.97 64.673 Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Average Stack Gas Temperature, °F 192.58 190.75 189.67 191.000 Dry Volumetric Flow Rate, dry scfm 167,804.9 164,997.6 153,250.1 162,017.533 Actual Wet Volumetric Flue Gas Flow Rate, acfm 231,763.8 231,814.1 214,353.8225,977.233 Percent Isokinetic of Sampling Rate, % 103.0 102.5 97.8 101.100 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



### LocationStack Exit - Method 29 Average Run Number 1 2 3
Test Date 4/20/2010 4/21/2010 4/21/2010 Run Start Time 9:25:00 AM 7:11:00 AM 2:12:00 PM

Run Finish Time 3:45:00 PM1:17:00 PM 8:37:00 PM Net Run Time, minutes 360 360 360 Dry Gas Meter Volume Sampled, dscf 239.246 236.808 231.153 235.736 Moisture Content of Stack Gas, % 13.01 13.26 13.27 13.180 Moisture Saturation at Stack Gas Temperature, % 65.35 60.35 62.11 62.603 Carbon Dioxide, % 15.4 14.95 14.9 15.083 Oxygen, % 4.14 3.86 3.82 3.940 Average Stack Gas Temperature, °F 191.50 187.67 189.00 189.390 Dry Volumetric Flow Rate, dry scfm 166,675.8 168,868.6 168,716.1 168,086.833 Actual Wet Volumetric Flue Gas Flow Rate, acfm 235,789.2 238,808.3 239,110.2237,902.567 Percent Isokinetic of Sampling Rate, % 106.4 104.0 101.6 104.000 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, February 02, 2011 Page 8 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 5 Average Run Number 1 2 3
Test Date 4/20/2010 4/21/2010 4/21/2010 Run Start Time 9:25:00 AM 7:11:00 AM 2:12:00 PM

Run Finish Time 3:45:00 PM1:17:00 PM 8:37:00 PM Net Run Time, minutes 360 360 360 Dry Gas Meter Volume Sampled, dscf 239.246 236.788 231.153 235.729 Moisture Content of Stack Gas, % 13.01 13.26 13.27 13.180 Moisture Saturation at Stack Gas Temperature, % 65.35 60.35 62.11 62.603 Carbon Dioxide, % 15.4 14.95 14.9 15.083 Oxygen, % 4.14 3.86 3.82 3.940 Average Stack Gas Temperature, °F 191.50 187.67 189.00 189.390 Dry Volumetric Flow Rate, dry scfm 166,675.8 168,868.6 168,716.1 168,086.833 Actual Wet Volumetric Flue Gas Flow Rate, acfm 235,789.2 238,808.3 239,110.2237,902.567 Percent Isokinetic of Sampling Rate, % 106.4 104.0 101.6 104.000 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



### LocationStack Exit - Method 6C Average Run Number 1 2 3
Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:23:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 12:35:00 PM4:22:00 PM 8:17:00 PM Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Dry Volumetric Flow Rate, dry scfm 166670 163888 152195 160,917.667 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 10.9 12.5 12.1 11.833 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Wednesday, February 02, 2011 Page 9 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 7E Average Run Number 1 2 3
Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:23:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 12:35:00 PM4:22:00 PM 8:17:00 PM Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Dry Volumetric Flow Rate, dry scfm 166670 163888 152195 160,917.667 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 10.9 12.5 12.1 11.833 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### LocationStack Exit - OTM - 27/28 Average Run Number 1 2 3
Test Date 4/20/2010 4/21/2010 4/21/2010 Run Start Time 9:25:00 AM 7:11:00 AM 2:12:00 PM

Run Finish Time 3:58:00 PM1:17:00 PM 8:37:00 PM Net Run Time, minutes 373 371.1 371.6 Dry Gas Meter Volume Sampled, dscf 124.798 123.357 122.077 123.411 Moisture Content of Stack Gas, % 12.94 13.18 13.25 13.123 Moisture Saturation at Stack Gas Temperature, % 63.74 60.78 61.11 61.877 Carbon Dioxide, % 15.4 14.95 14.9 15.083 Oxygen, % 4.14 3.86 3.82 3.940 Average Stack Gas Temperature, °F 190.33 188.00 188.25 188.860 Dry Volumetric Flow Rate, dry scfm 170,569.2 169,543.4 169,554.7 169,889.100 Actual Wet Volumetric Flue Gas Flow Rate, acfm 240,670.0 239,663.7 239,965.6240,099.767 Percent Isokinetic of Sampling Rate, % 93.1 93.0 91.9 92.667 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, February 02, 2011 Page 10 of 33

### Spruance Unit 4 MACT ICR Testing

Emissions Summary


### Location: Stack Exit - Method 0011 Compound: Formaldehyde Average RunNumber 1 2 3 Mass_mg 0.0072 0.00484 0.00614 0.006 lb/mmBtuO2 2.40E-06 1.59E-06 2.62E-06 0.000 ppm 2.47E-03 1.70E-03 2.39E-03 0.002 ppm@7%O2 2.09E-03 1.39E-03 2.28E-03 0.002



### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 1.87E-01 3.40E-01 1.65E-01 0.231 ppm 2.07E+02 3.88E+02 1.62E+02 252.333 ppm@7%O2 1.75E+02 3.18E+02 1.55E+02 216.000



### Location: Stack Exit - Method 10 3 Compound: Carbon Monoxide Average Run 4 5 6 lb/mmBtuO2 2.50E-01 2.39E-01 2.98E-01 0.262 ppm 2.82E+02 2.74E+02 3.39E+02 298.333 ppm@7%O2 2.34E+02 2.23E+02 2.78E+02 245.000



### Location: Stack Exit - Method 202 Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 1.9 0.9 0.3 1.033 lb/mmBtuO2 4.09E-04 1.93E-04 6.48E-05 0.000 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 10.5 8.9 5.7 8.367 lb/mmBtuO2 2.26E-03 1.91E-03 1.23E-03 0.002



### Location: Stack Exit - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 1 2 3 Mass_mg 0.00000000438 0.00000000394 0.00000000203 0.000 lb/mmBtuO2 4.39E-13 3.82E-13 2.05E-13 0.000 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 1 2 3 Mass_mg 0.00000000216 0.00000003995 0.0000000041 0.000



### Wednesday, February 02, 2011 Page 11 of 33

### Spruance Unit 4 MACT ICR Testing

lb/mmBtuO2 2.17E-13 3.87E-12 4.15E-13 0.000 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 1 2 3 Mass_mg 0.00000000216 0.00000003995 0.0000000041 0.000 lb/mmBtuO2 2.17E-13 3.87E-12 4.15E-13 0.000 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000383 0.00000000449 0.0000000019 0.000 lb/mmBtuO2 3.84E-13 4.35E-13 1.92E-13 0.000 

### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000255 0.00000000252 0.00000000109 0.000 lb/mmBtuO2 2.56E-13 2.44E-13 1.10E-13 0.000 

### Compound: 1,2,3,6,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000383 0.00000000449 0.0000000019 0.000 lb/mmBtuO2 3.84E-13 4.35E-13 1.92E-13 0.000 

### Compound: 1,2,3,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000255 0.00000000252 0.00000000109 0.000 lb/mmBtuO2 2.56E-13 2.44E-13 1.10E-13 0.000 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000383 0.00000000449 0.0000000019 0.000 lb/mmBtuO2 3.84E-13 4.35E-13 1.92E-13 0.000 

### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000255 0.00000000252 0.00000000109 0.000 lb/mmBtuO2 2.56E-13 2.44E-13 1.10E-13 0.000 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 1 2 3 Mass_mg 0.00000000341 0.00000000447 0.00000000172 0.000 lb/mmBtuO2 3.42E-13 4.33E-13 1.74E-13 0.000 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000024 0.00000000244 0.00000000107 0.000


### Wednesday, February 02, 2011 Page 12 of 33

### Spruance Unit 4 MACT ICR Testing

lb/mmBtuO2 2.41E-13 2.37E-13 1.08E-13 0.000 

### Compound: 2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 1 2 3 Mass_mg 0.0000000178 0.00000000821 0.00000000847 0.000 lb/mmBtuO2 1.79E-12 7.96E-13 8.57E-13 0.000 

### Compound: 2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 1 2 3 Mass_mg 0.0000000202 0.0000000229 0.0000000325 0.000 lb/mmBtuO2 2.03E-12 2.22E-12 3.29E-12 0.000 

### Compound: 2,3,3',4,4'-PeCB (PCB105) Average RunNumber 1 2 3 Mass_mg 0.0000000649 0.0000000688 0.000000094 0.000 lb/mmBtuO2 6.51E-12 6.67E-12 9.52E-12 0.000 

### Compound: 2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 1 2 3 Mass_mg 0.0000000152 0.00000000754 0.00000000748 0.000 lb/mmBtuO2 1.52E-12 7.31E-13 7.57E-13 0.000 

### Compound: 2,3,4,4',5-PeCB (PCB114) Average RunNumber 1 2 3 Mass_mg 0.00000000955 0.0000000045 0.00000000501 0.000 lb/mmBtuO2 9.58E-13 4.36E-13 5.07E-13 0.000 

### Compound: 2,3',4,4',5-PeCB (PCB118) Average RunNumber 1 2 3 Mass_mg 0.000000173 0.000000177 0.000000242 0.000 lb/mmBtuO2 1.74E-11 1.72E-11 2.45E-11 0.000 

### Compound: 2',3,4,4',5-PeCB (PCB123) Average RunNumber 1 2 3 Mass_mg 0.00000000907 0.00000000434 0.00000000478 0.000 lb/mmBtuO2 9.10E-13 4.21E-13 4.84E-13 0.000 

### Compound: 2,3,4,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000255 0.00000000252 0.00000000109 0.000 lb/mmBtuO2 2.56E-13 2.44E-13 1.10E-13 0.000 

### Compound: 2,3,4,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.00000000217 0.00000000249 0.00000000105 0.000


### Wednesday, February 02, 2011 Page 13 of 33

### Spruance Unit 4 MACT ICR Testing

lb/mmBtuO2 2.18E-13 2.41E-13 1.06E-13 0.000 

### Compound: 2,3,7,8-TCDD Average RunNumber 1 2 3 Mass_mg 0.00000000347 0.00000000341 0.00000000203 0.000 lb/mmBtuO2 3.48E-13 3.31E-13 2.05E-13 0.000 

### Compound: 2,3,7,8-TCDF Average RunNumber 1 2 3 Mass_mg 0.00000000247 0.00000000261 0.00000000123 0.000 lb/mmBtuO2 2.48E-13 2.53E-13 1.25E-13 0.000 

### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 1 2 3 Mass_mg 0.0000000211 0.00000000993 0.0000000107 0.000 lb/mmBtuO2 2.12E-12 9.63E-13 1.08E-12 0.000 

### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 1 2 3 Mass_mg 0.0000000117 0.00000000615 0.00000000629 0.000 lb/mmBtuO2 1.17E-12 5.96E-13 6.37E-13 0.000 

### Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 1 2 3 Mass_mg 0.0000000162 0.0000000128 0.0000000182 0.000 lb/mmBtuO2 1.63E-12 1.24E-12 1.84E-12 0.000 

### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 1 2 3 Mass_mg 0.0000000149 0.00000000464 0.00000000767 0.000 lb/mmBtuO2 1.49E-12 4.50E-13 7.76E-13 0.000 

### Compound: OCDD Average RunNumber 1 2 3 Mass_mg 0.00000000777 0.0000000423 0.0000000167 0.000 lb/mmBtuO2 7.79E-13 4.10E-12 1.69E-12 0.000 

### Compound: OCDF Average RunNumber 1 2 3 Mass_mg 0.00000000748 0.0000000743 0.00000000132 0.000 lb/mmBtuO2 7.50E-13 7.20E-12 1.34E-13 0.000 

### Compound: Other HpCDD Average RunNumber 1 2 3 Mass_mg 0 0 0 0.000


### Wednesday, February 02, 2011 Page 14 of 33

### Spruance Unit 4 MACT ICR Testing

lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other HpCDF Average RunNumber 1 2 3 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other HxCDD Average RunNumber 1 2 3 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other HxCDF Average RunNumber 1 2 3 Mass_mg 0 0.000000012 0 0.000 lb/mmBtuO2 0.00E+00 1.16E-12 0.00E+00 0.000 

### Compound: Other PeCDD Average RunNumber 1 2 3 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other PeCDF Average RunNumber 1 2 3 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other TCDD Average RunNumber 1 2 3 Mass_mg 0 0 0 0.000 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Other TCDF Average RunNumber 1 2 3 Mass_mg 0.0000000124 0.00000000308 0.0000000101 0.000 lb/mmBtuO2 1.24E-12 2.99E-13 1.02E-12 0.000 

### Compound: Total Dioxins Average RunNumber 1 2 3 Mass_mg 0.00000003052 0.00000006759 0.00000002818 0.000 lb/mmBtuO2 3.06E-12 6.55E-12 2.85E-12 0.000 

### Compound: Total Furans Average RunNumber 1 2 3 Mass_mg 0.00000004144 0.0000001869 0.00000003921 0.000


### Wednesday, February 02, 2011 Page 15 of 33

### Spruance Unit 4 MACT ICR Testing

lb/mmBtuO2 4.16E-12 1.81E-11 3.97E-12 0.000 

### Compound: Total PCBs Average RunNumber 1 2 3 Mass_mg 0.00000037362 0.00000032681 0.0000004371 0.000 lb/mmBtuO2 3.75E-11 3.17E-11 4.42E-11 0.000



### Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 8.43E-04 6.09E-04 4.81E-04 0.001 ppm 5.91E-01 4.42E-01 2.99E-01 0.444 ppm@7%O2 5.01E-01 3.62E-01 2.86E-01 0.383



### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.06 0.06 0.3 0.140 lb/mmBtuO2 1.36E-05 1.34E-05 8.83E-05 0.000 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.6 0.63 0.59 0.607 lb/mmBtuO2 1.36E-04 1.41E-04 1.74E-04 0.000



### Location: Stack Exit - Method 29 

### Compound: Antimony Average RunNumber 1 3 2 Mass_mg 0.001422 0.0041 0.001593 0.002 lb/mmBtuO2 1.60E-07 4.68E-07 1.78E-07 0.000 

### Compound: Arsenic Average RunNumber 1 3 2 Mass_mg 0.009253 0.008949 0.007809 0.009 lb/mmBtuO2 1.04E-06 1.02E-06 8.72E-07 0.000 

### Compound: Beryllium Average RunNumber 1 3 2 Mass_mg 0.00164 0.001801 0.00129 0.002 lb/mmBtuO2 1.84E-07 2.06E-07 1.44E-07 0.000 

### Compound: Cadmium Average RunNumber 1 3 2 Mass_mg 0.000705 0.000688 0.000516 0.001



### Wednesday, February 02, 2011 Page 16 of 33

### Spruance Unit 4 MACT ICR Testing

lb/mmBtuO2 7.92E-08 7.85E-08 5.76E-08 0.000 

### Compound: Chromium Average RunNumber 1 3 2 Mass_mg 0.011265 0.010563 0.010731 0.011 lb/mmBtuO2 1.27E-06 1.21E-06 1.20E-06 0.000 

### Compound: Cobalt Average RunNumber 1 3 2 Mass_mg 0.00567 0.00624 0.0051 0.006 lb/mmBtuO2 6.37E-07 7.12E-07 5.70E-07 0.000 

### Compound: Lead Average RunNumber 1 3 2 Mass_mg 0.010951 0.01153 0.009763 0.011 lb/mmBtuO2 1.23E-06 1.32E-06 1.09E-06 0.000 

### Compound: Manganese Average RunNumber 1 3 2 Mass_mg 0.010555 0.01125 0.009787 0.011 lb/mmBtuO2 1.19E-06 1.28E-06 1.09E-06 0.000 

### Compound: Nickel Average RunNumber 1 3 2 Mass_mg 0.016134 0.01622 0.012847 0.015 lb/mmBtuO2 1.81E-06 1.85E-06 1.43E-06 0.000 

### Compound: Selenium Average RunNumber 1 3 2 Mass_mg 0.00399 0.00429 0.0031 0.004 lb/mmBtuO2 4.48E-07 4.90E-07 3.46E-07 0.000



### Location: Stack Exit - Method 5 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 249.6 198.4 273.3 240.433 lb/mmBtuO2 2.81E-02 2.22E-02 3.12E-02 0.027



### Location: Stack Exit - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 1.04E-01 9.50E-02 8.34E-02 0.094 ppm 5.02E+01 4.74E+01 3.57E+01 44.433 ppm@7%O2 4.25E+01 3.88E+01 3.41E+01 38.467



### Wednesday, February 02, 2011 Page 17 of 33

### Spruance Unit 4 MACT ICR Testing

Process Run Data Location: Stack Exit - Method 7E 

### Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 2.99E-01 3.04E-01 2.98E-01 0.300 ppm 2.01E+02 2.11E+02 1.78E+02 196.667 ppm@7%O2 1.70E+02 1.73E+02 1.70E+02 171.000



### Location: Stack Exit - OTM - 27/28 

### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 23.4 17.8 21.3 20.833 lb/mmBtuO2 5.04E-03 3.82E-03 4.60E-03 0.004



### Wednesday, February 02, 2011 Page 18 of 33

### Spruance Unit 4 MACT ICR Testing

Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 829Million Btus/hr 0


### 2 Heat Input 530Million Btus/hr 0
3 Heat Input 824Million Btus/hr 0
1 Steam Output 598 1,000 lb/hr 0


### 2 Steam Output 396 1,000 lb/hr 0
3 Steam Output 596 1,000 lb/hr 0
1 Sorbent Injection Rate 22.05 gal/min 0


### 2 Sorbent Injection Rate 18.25 gal/min 0
3 Sorbent Injection Rate 22.07 gal/min 0
1 Pressure Drop Across FGD 3.55 in. H2O 0


### 2 Pressure Drop Across FGD 2.69 in. H2O 0
3 Pressure Drop Across FGD 3.55 in. H2O 0
1 Electrical Generation (Net) 41.97 MWe 0


### 2 Electrical Generation (Net) 19.81 MWe 0
3 Electrical Generation (Net) 42.5 MWe 0
1 Electrical Generation (Gross) 46.32 MWh 0


### 2 Electrical Generation (Gross) 23.76 MWh 0
3 Electrical Generation (Gross) 46.9 MWh 0
4 Heat Input 826Million Btus/hr 0


### 4 Steam Output 601 1,000 lb/hr 0
4 Sorbent Injection Rate 19.48 gal/min 0
4 Pressure Drop Across FGD 3.56 in. H2O 0


### 4 Electrical Generation (Net) 41.99 MWe 0
4 Electrical Generation (Gross) 46.5 MWh 0


### 5 Heat Input 808Million Btus/hr 0
5 Steam Output 602 1,000 lb/hr 0
5 Sorbent Injection Rate 20 gal/min 0


### 5 Pressure Drop Across FGD 3.55 in. H2O 0
5 Electrical Generation (Net) 42.14 MWe 0
5 Electrical Generation (Gross) 46.66 MWh 0


### 6 Heat Input 820Million Btus/hr 0
6 Steam Output 596 1,000 lb/hr 0
6 Sorbent Injection Rate 22.89 gal/min 0



### Wednesday, February 02, 2011 Page 19 of 33

### Spruance Unit 4 MACT ICR Testing

APCD Run Data 6 Pressure Drop Across FGD 3.55 in. H2O 0


### 6 Electrical Generation (Net) 42.46 MWe 0
6 Electrical Generation (Gross) 46.87 MWh 0
7 Heat Input 828Million Btus/hr 0


### 7 Steam Output 601 1,000 lb/hr 0
7 Sorbent Injection Rate 19.74 gal/min 0
7 Pressure Drop Across FGD 3.56 in. H2O 0


### 7 Electrical Generation (Net) 42.08 MWe 0
7 Electrical Generation (Gross) 46.6 MWh 0
8 Heat Input 812Million Btus/hr 0


### 8 Steam Output 599 1,000 lb/hr 0
8 Sorbent Injection Rate 20.51 gal/min 0
8 Pressure Drop Across FGD 3.49 in. H2O 0


### 8 Electrical Generation (Net) 40.73 MWe 0
8 Electrical Generation (Gross) 45.23 MWh 0
9 Heat Input 815Million Btus/hr 0


### 9 Steam Output 581 1,000 lb/hr 0
9 Sorbent Injection Rate 24.87 gal/min 0
9 Pressure Drop Across FGD 3.52 in. H2O 0


### 9 Electrical Generation (Net) 40.28 MWe 0
9 Electrical Generation (Gross) 44.72 MWh 0

Run Name Value UOM Comments Target Value 

### 1 BAGHOUSE 99.1 % 99.1
2 BAGHOUSE 99.1 % 99.1
3 BAGHOUSE 99.1 % 99.1


### 4 BAGHOUSE 99.1 % 99.1
5 BAGHOUSE 99.1 % 99.1
6 BAGHOUSE 99.1 % 99.1


### 1 SCRUBBER 90 % 90
2 SCRUBBER 90 % 90
3 SCRUBBER 90 % 90


### 4 SCRUBBER 90 % 90
5 SCRUBBER 90 % 90
6 SCRUBBER 90 % 90



### Wednesday, February 02, 2011 Page 20 of 33

### Spruance Unit 4 MACT ICR Testing

Process Lab Run Data



### Wednesday, February 02, 2011 Page 21 of 33

### Spruance Unit 4 MACT ICR Testing

Sampling / Stack Data Results Detail


### LocationStack Exit - Method 0011 Average Run Number 1 2 3 Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:24:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 11:33:00 AM3:20:00 PM 7:11:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 120 120 120 Nozzle Diameter, inches 0.248 0.248 0.248 0.248 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.97 0.97 0.97 0.970 Barometric Pressure, inches of Mercury 30.1 30.04 29.98 30.040 Average Orifice Meter Differential, inches H2O 1.26 1.33 1.02 1.203 Dry Gas Meter Volume Sampled, cubic feet 83.469 84.875 76.544 81.629 Average Dry Gas Meter Temperature, °F 63.92 82.92 82.50 76.447 Dry Gas Meter Volume Sampled, dscf 82.339 80.649 72.589 78.526 Total Moisture Liquid collected, g 239.8 256.5 245.6 247.300 Volume of Water Vapor, standard cubic feet 11.29 12.07 11.56 11.640 Moisture Content of Stack Gas, % 12.06 13.02 13.74 12.940 Moisture Saturation at Stack Gas Temperature, % 70.74 69.90 64.21 68.283 Dry Mole Fraction 0.8794 0.8698 0.8626 0.871 Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Carbon Monoxide & Nitrogen, % 80.38 80.96 80.85 80.730 Fuel Factor 1.08 1.12 1.14 Dry Molecular Weight, lb/lb-Mole 30.60 30.57 30.30 30.490 Wet Molecular weight, lb/lb-Mole 29.08 28.93 28.61 28.873 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.06 30.00 29.94 30.000 Average Stack Gas Temperature, °F 195.33 194.67 190.58 193.527 Average Velocity Head, inches of H2O 0.5338184170 515290.545090299

3710130.415332071

715673 0.498
Average Stack Gas Velocity, feet/second 45.43 46.05 40.33 43.937 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 162,724.2 162,982.8 142,161.7155,956.233 Actual Wet Volumetric Flue Gas Flow Rate, acfm 228,593.8 231,713.5 202,931.7221,079.667 Percent Isokinetic of Sampling Rate, % 105.4 103.1 106.4 104.967 Percent Excess Air, % 26.9 22.6 42.3 30.600 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 124 124 124 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, February 02, 2011 Page 22 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 10 Average Run Number 1 2 3 Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:24:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 11:33:00 AM3:20:00 PM 7:11:00 PM Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Fuel Factor 1.08 1.12 1.14 Dry Volumetric Flow Rate, dry scfm 161627 161854 143167155,549.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 12.1 13 12.3 12.467 Analyzer Make TECO TECO TECO Analyzer Model 48C 48C 48C Analyzer Serial Number 48C-55116- 30248C-55116-

302 48C-55116-

302 Operating Range 935.7 935.7 935.7 935.700 Operating Units ppm ppm ppm No. Readings/Avg. 6 6 6 6.000 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID CO-CC18903 COCC18903CO-CC18903
Calibration Pre Zero Cylinder Instrument Response 0 -4.9 0 -1.633 Calibration Pre Zero Cylinder Bias 0 -0.52 0 -0.173 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CO-CC251891 COCC251891 COCC251891 Calibration Pre High Cylinder Instrument Response 488 469 474 477.000 Calibration Pre High Cylinder Bias 0.21 -1.82 -1.28 -0.963 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CO-CC18903 COCC18903CO-CC18903
Calibration Post Zero Cylinder Instrument Response -4.9 0 -4.9 -3.267 Calibration Post Zero Cylinder Bias -0.52 0 -0.52 -0.347 Calibration Post Zero Cylinder Drift 0.52 0.52 0.52 0.520 Calibration Post High Cylinder ID CO-CC251891 COCC251891 COCC251891 Calibration Post High Cylinder Instrument Response 469 474 474 472.333 Calibration Post High Cylinder Bias -1.82 -1.28 -1.28 -1.460 Calibration Post High Cylinder Drift 2.03 0.54 0 0.857 Cavg 202 376 156 244.667 Cavg Units ppmvd ppmvd ppmvd Cgas 206.5967 388.0719 161.626 252.098 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, February 02, 2011 Page 23 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 10 3 Average Run Number 4 5 6 Test Date 4/20/2010 4/21/2010 4/22/2010 Run Start Time 9:25:00 AM7:11:00 AM 7:00:00 AM Run Finish Time 5:36:00 PM8:37:00 PM 3:09:00 PM Carbon Dioxide, % 15.39 14.99 15.36 15.247 Oxygen, % 4.13 3.84 3.97 3.980 Fuel Factor 1.09 1.14 1.1 Dry Volumetric Flow Rate, dry scfm 164282 167752 163886165,306.667 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 12.5 13.1 12.5 12.700 Analyzer Make TECO TECO TECO Analyzer Model 48C 48C 48C Analyzer Serial Number 48C-55116- 30248C-55116-

302 48C-55116-

302 Operating Range 935.7 935.7 935.7 935.700 Operating Units ppm ppm ppm No. Readings/Avg. 6 6 6 6.000 Calibration Set 2 3 4 3.000 Calibration Pre Zero Cylinder ID CO-CC18903 COCC18903CO-CC18903
Calibration Pre Zero Cylinder Instrument Response 0 -4.9 0 -1.633 Calibration Pre Zero Cylinder Bias 0.52 -0.52 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CO-CC251891 COCC251891 COCC251891 Calibration Pre High Cylinder Instrument Response 483 479 474 478.667 Calibration Pre High Cylinder Bias -0.32 -0.75 -1.28 -0.783 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CO-CC18903 COCC18903CO-CC18903
Calibration Post Zero Cylinder Instrument Response 0 0 -4.9 -1.633 Calibration Post Zero Cylinder Bias 0.52 0 -0.52 0.000 Calibration Post Zero Cylinder Drift 0 0.52 0.52 0.347 Calibration Post High Cylinder ID CO-CC251891 COCC251891 COCC251891 Calibration Post High Cylinder Instrument Response 479 479 479 479.000 Calibration Post High Cylinder Bias -0.75 -0.75 -0.75 -0.750 Calibration Post High Cylinder Drift 0.43 0 0.53 0.320 Cavg 279 269 332 293.333 Cavg Units ppmvd ppmvd ppmvd Cgas 281.9002 274.0154 339.373 298.430 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, February 02, 2011 Page 24 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 202 Average Run Number 1 2 3 Test Date 4/20/2010 4/21/2010 4/21/2010 Run Start Time 9:25:00 AM7:11:00 AM 2:12:00 PM Run Finish Time 3:58:00 PM1:17:00 PM 8:37:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 373 371.1 371.6 Nozzle Diameter, inches 0.18 0.18 0.18 0.180 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.02 1.02 1.02 1.020 Barometric Pressure, inches of Mercury 30.04 29.96 29.96 29.987 Average Orifice Meter Differential, inches H2O 0.34 0.34 0.59 0.423 Dry Gas Meter Volume Sampled, cubic feet 123.924 118.523 118.058 120.168 Average Dry Gas Meter Temperature, °F 77.38 58.58 61.96 65.973 Dry Gas Meter Volume Sampled, dscf 124.798 123.357 122.152 123.436 Total Moisture Liquid collected, g 394.1 398 396 396.033 Volume of Water Vapor, standard cubic feet 18.55 18.73 18.64 18.640 Moisture Content of Stack Gas, % 12.94 13.18 13.24 13.120 Moisture Saturation at Stack Gas Temperature, % 63.74 60.78 61.11 61.877 Dry Mole Fraction 0.8706 0.8682 0.8676 0.869 Carbon Dioxide, % 15.4 14.95 14.9 15.083 Oxygen, % 4.14 3.86 3.82 3.940 Carbon Monoxide & Nitrogen, % 80.46 81.19 81.28 80.977 Fuel Factor 1.09 1.14 1.15 Dry Molecular Weight, lb/lb-Mole 30.63 30.55 30.54 30.573 Wet Molecular weight, lb/lb-Mole 29.00 28.90 28.88 28.927 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.00 29.92 29.92 29.947 Average Stack Gas Temperature, °F 190.33 188.00 188.25 188.860 Average Velocity Head, inches of H2O 0.5934910483 442950.586911343

6943690.587756684

434258 0.589
Average Stack Gas Velocity, feet/second 47.83 47.63 47.69 47.717 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 170,569.2 169,543.4 169,574.3169,895.633 Actual Wet Volumetric Flue Gas Flow Rate, acfm 240,670.0 239,663.7 239,965.6240,099.767 Percent Isokinetic of Sampling Rate, % 93.1 93.0 92.0 92.700 Percent Excess Air, % 24.2 22.0 21.7 22.633 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 124 124 124 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, February 02, 2011 Page 25 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 23 Average Run Number 1 2 3 Test Date 4/20/2010 4/21/2010 4/22/2010 Run Start Time 9:25:00 AM12:38:00 AM 7:00:00 AM Run Finish Time 5:36:00 PM8:37:00 PM 3:09:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 480 480 480 Nozzle Diameter, inches 0.225 0.225 0.225 0.225 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.02 1.02 1 1.013 Barometric Pressure, inches of Mercury 30.04 29.96 29.96 29.987 Average Orifice Meter Differential, inches H2O 0.96 0.98 0.97 0.970 Dry Gas Meter Volume Sampled, cubic feet 272.217 265.307 271.163 269.562 Average Dry Gas Meter Temperature, °F 90.79 66.29 86.54 81.207 Dry Gas Meter Volume Sampled, dscf 267.868 272.509 262.939 267.772 Total Moisture Liquid collected, g 811.4 873.1 797.4 827.300 Volume of Water Vapor, standard cubic feet 38.19 41.10 37.53 38.940 Moisture Content of Stack Gas, % 12.48 13.11 12.49 12.693 Moisture Saturation at Stack Gas Temperature, % 67.23 62.55 68.85 66.210 Dry Mole Fraction 0.8752 0.8689 0.8751 0.873 Carbon Dioxide, % 15.39 14.99 15.36 15.247 Oxygen, % 4.13 3.84 3.97 3.980 Carbon Monoxide & Nitrogen, % 80.48 81.17 80.67 80.773 Fuel Factor 1.09 1.14 1.10 Dry Molecular Weight, lb/lb-Mole 30.63 30.55 30.62 30.600 Wet Molecular weight, lb/lb-Mole 29.05 28.90 29.04 28.997 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.00 29.92 29.92 29.947 Average Stack Gas Temperature, °F 192.83 189.33 193.83 191.997 Average Velocity Head, inches of H2O 0.5552892011 376920.582854340

1626610.554885191

995578 0.564
Average Stack Gas Velocity, feet/second 46.31 47.51 46.40 46.740 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 165,385.4 168,905.9 164,993.3166,428.200 Actual Wet Volumetric Flue Gas Flow Rate, acfm 233,021.7 239,059.9 233,474.6235,185.400 Percent Isokinetic of Sampling Rate, % 102.5 102.1 100.8 101.800 Percent Excess Air, % 24.1 21.8 22.9 22.933 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 124 124 124 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, February 02, 2011 Page 26 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 25A Average Run Number 1 2 3 Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:24:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 11:33:00 AM3:20:00 PM 7:11:00 PM Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Fuel Factor 1.08 1.12 1.14 Dry Volumetric Flow Rate, dry scfm 161627 161854 143167155,549.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 10.9 12.51 12.3 11.903 Analyzer Make JUM Engineering JUM

Engineering JUM

Engineering Analyzer Model VE7 VE7 VE7 Analyzer Serial Number 9451289 9451289 94512899,451,289.0 00 Operating Range 20 20 20 20.000 Operating Units ppm ppm ppm No. Readings/Avg. 6 6 6 6.000 Calibration Set 5 5 5 5.000 Calibration Pre Zero Cylinder ID PROCC18903 PROCC18903 PROCC18903 Calibration Pre Zero Cylinder Instrument Response 0 -0.5 0.1 -0.133 Calibration Pre Zero Cylinder Bias 0 -2.5 0.5 -0.667 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID PRO-EB0019898 PRO-EB0019898 PRO-EB0019898 Calibration Pre High Cylinder Instrument Response 4.8 4.9 4.8 4.833 Calibration Pre High Cylinder Bias 0 0.5 0 0.167 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID PROCC18903 PROCC18903 PROCC18903 Calibration Post Zero Cylinder Instrument Response -0.5 0.1 0 -0.133 Calibration Post Zero Cylinder Bias -2.5 0.5 0 -0.667 Calibration Post Zero Cylinder Drift 2.5 3 0.5 2.000 Calibration Post High Cylinder ID PRO-EB0019898 PRO-EB0019898 PRO-EB0019898 Calibration Post High Cylinder Instrument Response 4.9 4.8 4.6 4.767 Calibration Post High Cylinder Bias 0.5 0 -1 -0.167 Calibration Post High Cylinder Drift 0.5 0.5 1 0.667 Cavg 0.3 0.2 0.3 0.267 Cavg Units ppmvw ppmvw ppmvw Cgas 0.5907 0.4418 0.2992 0.444 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 0.5262745098 039220.386534653

4653470.262365591

397849 0.392
Cgasw Units ppmvw ppmvw ppmvw



### Wednesday, February 02, 2011 Page 27 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:23:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 12:35:00 PM4:22:00 PM 8:17:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.245 0.245 0.245 0.245 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.02 1.02 1.02 1.020 Barometric Pressure, inches of Mercury 30.1 30.04 29.98 30.040 Average Orifice Meter Differential, inches H2O 1.36 1.40 1.15 1.303 Dry Gas Meter Volume Sampled, cubic feet 116.777 117.695 104.628 113.033 Average Dry Gas Meter Temperature, °F 62.83 77.46 77.88 72.723 Dry Gas Meter Volume Sampled, dscf 121.416 118.815 105.266 115.166 Total Moisture Liquid collected, g 316.6 361 307.7 328.433 Volume of Water Vapor, standard cubic feet 14.90 16.99 14.48 15.457 Moisture Content of Stack Gas, % 10.93 12.51 12.09 11.843 Moisture Saturation at Stack Gas Temperature, % 66.74 64.31 62.97 64.673 Dry Mole Fraction 0.8907 0.8749 0.8791 0.882 Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Carbon Monoxide & Nitrogen, % 80.38 80.96 80.85 80.730 Fuel Factor 1.08 1.12 1.14 Dry Molecular Weight, lb/lb-Mole 30.60 30.57 30.30 30.490 Wet Molecular weight, lb/lb-Mole 29.22 29.00 28.81 29.010 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.06 30.00 29.94 30.000 Average Stack Gas Temperature, °F 192.58 190.75 189.67 191.000 Average Velocity Head, inches of H2O 0.5537412138 324490.550268252

4965040.467192309

782493 0.524
Average Stack Gas Velocity, feet/second 46.06 46.07 42.60 44.910 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 167,804.9 164,997.6 153,250.1162,017.533 Actual Wet Volumetric Flue Gas Flow Rate, acfm 231,763.8 231,814.1 214,353.8225,977.233 Percent Isokinetic of Sampling Rate, % 103.0 102.5 97.8 101.100 Percent Excess Air, % 26.9 22.6 42.3 30.600 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 124 124 124 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, February 02, 2011 Page 28 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 29 Average Run Number 1 2 3 Test Date 4/20/2010 4/21/2010 4/21/2010 Run Start Time 9:25:00 AM7:11:00 AM 2:12:00 PM Run Finish Time 3:45:00 PM1:17:00 PM 8:37:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 360 360 360 Nozzle Diameter, inches 0.24 0.24 0.24 0.240 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.97 0.97 0.97 0.970 Barometric Pressure, inches of Mercury 30.04 29.96 29.96 29.987 Average Orifice Meter Differential, inches H2O 1.32 1.24 1.21 1.257 Dry Gas Meter Volume Sampled, cubic feet 252.753 241.455 235.369 243.192 Average Dry Gas Meter Temperature, °F 85.00 64.50 63.75 71.083 Dry Gas Meter Volume Sampled, dscf 239.246 236.808 231.153 235.736 Total Moisture Liquid collected, g 760 769.2 751.2 760.133 Volume of Water Vapor, standard cubic feet 35.77 36.21 35.36 35.780 Moisture Content of Stack Gas, % 13.01 13.26 13.27 13.180 Moisture Saturation at Stack Gas Temperature, % 65.35 60.35 62.11 62.603 Dry Mole Fraction 0.8699 0.8674 0.8673 0.868 Carbon Dioxide, % 15.4 14.95 14.9 15.083 Oxygen, % 4.14 3.86 3.82 3.940 Carbon Monoxide & Nitrogen, % 80.46 81.19 81.28 80.977 Fuel Factor 1.09 1.14 1.15 Dry Molecular Weight, lb/lb-Mole 30.63 30.55 30.54 30.573 Wet Molecular weight, lb/lb-Mole 28.99 28.89 28.88 28.920 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.00 29.92 29.92 29.947 Average Stack Gas Temperature, °F 191.50 187.67 189.00 189.390 Average Velocity Head, inches of H2O 0.5684379201 701790.582850034

6843890.582960556

8857 0.578
Average Stack Gas Velocity, feet/second 46.86 47.46 47.52 47.280 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 166,675.8 168,868.6 168,716.1168,086.833 Actual Wet Volumetric Flue Gas Flow Rate, acfm 235,789.2 238,808.3 239,110.2237,902.567 Percent Isokinetic of Sampling Rate, % 106.4 104.0 101.6 104.000 Percent Excess Air, % 24.2 22.0 21.7 22.633 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 124 124 124 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, February 02, 2011 Page 29 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 5 Average Run Number 1 2 3 Test Date 4/20/2010 4/21/2010 4/21/2010 Run Start Time 9:25:00 AM7:11:00 AM 2:12:00 PM Run Finish Time 3:45:00 PM1:17:00 PM 8:37:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 360 360 360 Nozzle Diameter, inches 0.24 0.24 0.24 0.240 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.97 0.97 0.97 0.970 Barometric Pressure, inches of Mercury 30.04 29.96 29.96 29.987 Average Orifice Meter Differential, inches H2O 1.32 1.24 1.21 1.257 Dry Gas Meter Volume Sampled, cubic feet 252.753 241.435 235.369 243.186 Average Dry Gas Meter Temperature, °F 85.00 64.50 63.75 71.083 Dry Gas Meter Volume Sampled, dscf 239.246 236.788 231.153 235.729 Total Moisture Liquid collected, g 760 769.2 751.2 760.133 Volume of Water Vapor, standard cubic feet 35.77 36.21 35.36 35.780 Moisture Content of Stack Gas, % 13.01 13.26 13.27 13.180 Moisture Saturation at Stack Gas Temperature, % 65.35 60.35 62.11 62.603 Dry Mole Fraction 0.8699 0.8674 0.8673 0.868 Carbon Dioxide, % 15.4 14.95 14.9 15.083 Oxygen, % 4.14 3.86 3.82 3.940 Carbon Monoxide & Nitrogen, % 80.46 81.19 81.28 80.977 Fuel Factor 1.09 1.14 1.15 Dry Molecular Weight, lb/lb-Mole 30.63 30.55 30.54 30.573 Wet Molecular weight, lb/lb-Mole 28.99 28.89 28.88 28.920 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.00 29.92 29.92 29.947 Average Stack Gas Temperature, °F 191.50 187.67 189.00 189.390 Average Velocity Head, inches of H2O 0.5684379201 701790.582850034

6843890.582960556

8857 0.578
Average Stack Gas Velocity, feet/second 46.86 47.46 47.52 47.280 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 166,675.8 168,868.6 168,716.1168,086.833 Actual Wet Volumetric Flue Gas Flow Rate, acfm 235,789.2 238,808.3 239,110.2237,902.567 Percent Isokinetic of Sampling Rate, % 106.4 104.0 101.6 104.000 Percent Excess Air, % 24.2 22.0 21.7 22.633 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 124 124 124 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, February 02, 2011 Page 30 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 6C Average Run Number 1 2 3 Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:23:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 12:35:00 PM4:22:00 PM 8:17:00 PM Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Fuel Factor 1.08 1.12 1.14 Dry Volumetric Flow Rate, dry scfm 166670 163888 152195160,917.667 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 10.9 12.5 12.1 11.833 Analyzer Make Bovar Bovar Bovar Analyzer Model 721M/721MD721M/721M D721M/721M

D Analyzer Serial Number 94-721M8193-1 94-721M8193-1 94-721M8193-1 Operating Range 89.9 89.9 89.9 89.900 Operating Units ppm ppm ppm No. Readings/Avg. 6 6 6 6.000 Calibration Set 6 6 6 6.000 Calibration Pre Zero Cylinder ID SO2-CC18903 SO2- CC18903 SO2-

CC18903 Calibration Pre Zero Cylinder Instrument Response -0.5 -1 0 -0.500 Calibration Pre Zero Cylinder Bias -0.56 -1.11 0 -0.557 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SO2-EB0023444 SO2-EB0023444 SO2-EB0023444 Calibration Pre High Cylinder Instrument Response 50.3 51.8 52.7 51.600 Calibration Pre High Cylinder Bias -0.33 1.33 2.34 1.113 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID SO2-CC18903 SO2- CC18903 SO2-

CC18903 Calibration Post Zero Cylinder Instrument Response -1 0 0 -0.333 Calibration Post Zero Cylinder Bias -1.11 0 0 -0.370 Calibration Post Zero Cylinder Drift 0.55 1.11 0 0.553 Calibration Post High Cylinder ID SO2-EB0023444 SO2-EB0023444 SO2-EB0023444 Calibration Post High Cylinder Instrument Response 51.8 52.7 49.3 51.267 Calibration Post High Cylinder Bias 1.33 2.34 -1.45 0.740 Calibration Post High Cylinder Drift 1.66 1.01 3.79 2.153 Cavg 50.6 48.9 36 45.167 Cavg Units ppmvd ppmvd ppmvd Cgas 50.1604 47.3865 35.7176 44.422 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, February 02, 2011 Page 31 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - Method 7E Average Run Number 1 2 3 Test Date 4/19/2010 4/19/2010 4/19/2010 Run Start Time 9:23:00 AM1:10:00 PM 4:58:00 PM Run Finish Time 12:35:00 PM4:22:00 PM 8:17:00 PM Carbon Dioxide, % 15.12 15.1 12.8 14.340 Oxygen, % 4.5 3.94 6.35 4.930 Fuel Factor 1.08 1.12 1.14 Dry Volumetric Flow Rate, dry scfm 166670 163888 152195160,917.667 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 10.9 12.5 12.1 11.833 Analyzer Make TECO TECO TECO Analyzer Model 10 10 10 10.000 Analyzer Serial Number 10AB2425021 410AB242502

1410AB242502

14 Operating Range 450.9 450.9 450.9 450.900 Operating Units ppm ppm ppm No. Readings/Avg. 6 6 6 6.000 Calibration Set 7 7 7 7.000 Calibration Pre Zero Cylinder ID NOXCC18903 NOXCC18903 NOXCC18903 Calibration Pre Zero Cylinder Instrument Response -1 -1 -0.2 -0.733 Calibration Pre Zero Cylinder Bias -0.13 -0.13 0.04 -0.073 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID NOXCC17285 NOXCC17285 NOXCC17285 Calibration Pre High Cylinder Instrument Response 246 251 242 246.333 Calibration Pre High Cylinder Bias -0.18 0.93 -1.06 -0.103 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID NOXCC18903 NOXCC18903 NOXCC18903 Calibration Post Zero Cylinder Instrument Response -1 -0.2 -1 -0.733 Calibration Post Zero Cylinder Bias -0.13 0.04 -0.13 -0.073 Calibration Post Zero Cylinder Drift 0 0.17 0.17 0.113 Calibration Post High Cylinder ID NOXCC17285 NOXCC17285 NOXCC17285 Calibration Post High Cylinder Instrument Response 251 242 244 245.667 Calibration Post High Cylinder Bias 0.93 -1.06 -0.62 -0.250 Calibration Post High Cylinder Drift 1.11 1.99 0.44 1.180 Cavg 202 211 175 196.000 Cavg Units ppmvd ppmvd ppmvd Cgas 200.8032 211.3431 177.9067 196.684 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, February 02, 2011 Page 32 of 33

### Spruance Unit 4 MACT ICR Testing

LocationStack Exit - OTM - 27/28 Average Run Number 1 2 3 Test Date 4/20/2010 4/21/2010 4/21/2010 Run Start Time 9:25:00 AM7:11:00 AM 2:12:00 PM Run Finish Time 3:58:00 PM1:17:00 PM 8:37:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 373 371.1 371.6 Nozzle Diameter, inches 0.18 0.18 0.18 0.180 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.02 1.02 1.02 1.020 Barometric Pressure, inches of Mercury 30.04 29.96 29.96 29.987 Average Orifice Meter Differential, inches H2O 0.34 0.34 0.34 0.340 Dry Gas Meter Volume Sampled, cubic feet 123.924 118.523 118.058 120.168 Average Dry Gas Meter Temperature, °F 77.38 58.58 61.96 65.973 Dry Gas Meter Volume Sampled, dscf 124.798 123.357 122.077 123.411 Total Moisture Liquid collected, g 394.1 398 396 396.033 Volume of Water Vapor, standard cubic feet 18.55 18.73 18.64 18.640 Moisture Content of Stack Gas, % 12.94 13.18 13.25 13.123 Moisture Saturation at Stack Gas Temperature, % 63.74 60.78 61.11 61.877 Dry Mole Fraction 0.8706 0.8682 0.8675 0.869 Carbon Dioxide, % 15.4 14.95 14.9 15.083 Oxygen, % 4.14 3.86 3.82 3.940 Carbon Monoxide & Nitrogen, % 80.46 81.19 81.28 80.977 Fuel Factor 1.09 1.14 1.15 Dry Molecular Weight, lb/lb-Mole 30.63 30.55 30.54 30.573 Wet Molecular weight, lb/lb-Mole 29.00 28.90 28.88 28.927 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.00 29.92 29.92 29.947 Average Stack Gas Temperature, °F 190.33 188.00 188.25 188.860 Average Velocity Head, inches of H2O 0.5934910483 442960.586911343

6943690.587756684

434258 0.589
Average Stack Gas Velocity, feet/second 47.83 47.63 47.69 47.717 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 170,569.2 169,543.4 169,554.7169,889.100 Actual Wet Volumetric Flue Gas Flow Rate, acfm 240,670.0 239,663.7 239,965.6240,099.767 Percent Isokinetic of Sampling Rate, % 93.1 93.0 91.9 92.667 Percent Excess Air, % 24.2 22.0 21.7 22.633 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 124 124 124 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, February 02, 2011 Page 33 of 33