### 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 3 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 24

### Spruance Unit 3 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 2 120 0 Stack Exit Formaldehyde Method 0011 3 120 0 Stack Exit Organic Condensible

Particulate Method 202 3 365 0 Stack Exit
Inorganic (Aqueous)

Condensible Part. 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 24

### Spruance Unit 3 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 Total organic compounds

(TOC) as Propane Method 25A 3 180 0 Stack Exit
Hydrogen Fluoride Method 26A 3 180 0 Stack Exit Hydrogen Chloride Method 26A 3 190 0 Stack Exit Filterable PM2.5 OTM - 27/28 3 365 0 Stack Exit Antimony Method 29 3 360 0 Stack Exit Manganese Method 29 3 360 0 Stack Exit Selenium Method 29 3 360 0 Stack Exit Lead Method 29 3 360 0 Stack Exit Nickel Method 29 3 360 0 Stack Exit Beryllium Method 29 3 360 0 Stack Exit Arsenic Method 29 3 360 0 Stack Exit Cobalt Method 29 3 360 0 Stack Exit Chromium Method 29 3 360 0 Stack Exit Cadmium 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 3 of 24

### Spruance Unit 3 MACT ICR Testing

Sampling / Stack Data Results Summary


### Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 2:57:00 PM Run Finish Time 11:10:00 AM3:18:00 PM 7:33:00 PM Net Run Time, minutes 120 120 120 Dry Gas Meter Volume Sampled, dscf 81.300 78.424 78.031 79.252 Moisture Content of Stack Gas, % 12.91 13.07 12.84 12.940 Moisture Saturation at Stack Gas Temperature, % 69.46 72.61 78.01 73.360 Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Average Stack Gas Temperature, °F 195.00 197.00 200.25 197.417 Dry Volumetric Flow Rate, dry scfm 161,118.0 155,580.2 157,088.7 157,928.967 Actual Wet Volumetric Flue Gas Flow Rate, acfm 225,876.6 219,687.5 223,209.8 222,924.633 Percent Isokinetic of Sampling Rate, % 102.6 102.5 101.0 102.033 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 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM4:15:00 PM 8:33:00 PM Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Dry Volumetric Flow Rate, dry scfm 156963 152666 157766 155,798.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 12.1 12.3 12.1 12.167 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 4 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 202 Average Run Number 1 2 3 Test Date 4/16/2010 4/19/2010 4/19/2010 Run Start Time 8:40:00 AM 7:30:00 AM 2:48:00 PM

Run Finish Time 2:48:00 PM1:49:00 PM 9:03:00 PM Net Run Time, minutes 357.2 366.55 353.291 Dry Gas Meter Volume Sampled, dscf 123.747 125.843 120.681 123.424 Moisture Content of Stack Gas, % 12.45 12.36 12.19 12.333 Moisture Saturation at Stack Gas Temperature, % 64.48 60.07 58.70 61.083 Carbon Dioxide, % 14.76 15.06 13.94 14.587 Oxygen, % 4.07 3.83 5 4.300 Average Stack Gas Temperature, °F 190.92 187.67 186.50 188.363 Dry Volumetric Flow Rate, dry scfm 156,087.0 161,342.0 156,036.4 157,821.800 Actual Wet Volumetric Flue Gas Flow Rate, acfm 218,983.1 224,769.6 217,071.0220,274.567 Percent Isokinetic of Sampling Rate, % 105.3 101.0 103.9 103.400 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM3:18:00 PM 7:33:00 PM Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Dry Volumetric Flow Rate, dry scfm 156963 152666 157766 155,798.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 12.1 12.3 12.1 12.167 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 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM4:15:00 PM 8:33:00 PM Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 117.648 114.168 117.357 116.391 Moisture Content of Stack Gas, % 12.07 12.31 12.06 12.147 Moisture Saturation at Stack Gas Temperature, % 68.98 72.35 53.59 64.973 Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Average Stack Gas Temperature, °F 194.67 196.83 182.67 191.390 Dry Volumetric Flow Rate, dry scfm 162,427.7 153,673.2 158,829.1 158,310.000 Actual Wet Volumetric Flue Gas Flow Rate, acfm 225,423.7 215,058.3 217,725.1 219,402.367 Percent Isokinetic of Sampling Rate, % 99.0 101.5 101.0 100.500 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 4/16/2010 4/19/2010 4/19/2010 Run Start Time 8:40:00 AM 7:30:00 AM 2:48:00 PM

Run Finish Time 2:46:00 PM2:35:00 PM 9:03:00 PM Net Run Time, minutes 360 360 360 Dry Gas Meter Volume Sampled, dscf 227.690 233.256 216.481 225.809 Moisture Content of Stack Gas, % 12.59 11.91 11.98 12.160 Moisture Saturation at Stack Gas Temperature, % 67.52 64.87 61.07 64.487 Carbon Dioxide, % 14.76 15.06 13.94 14.587 Oxygen, % 4.07 3.83 5 4.300 Average Stack Gas Temperature, °F 193.08 191.25 188.33 190.887 Dry Volumetric Flow Rate, dry scfm 152,538.2 155,177.3 144,073.5 150,596.333 Actual Wet Volumetric Flue Gas Flow Rate, acfm 215,058.3 216,265.9 200,516.4 210,613.533 Percent Isokinetic of Sampling Rate, % 102.0 102.7 102.7 102.467 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 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 5 Average Run Number 1 2 3 Test Date 4/16/2010 4/19/2010 4/19/2010 Run Start Time 8:40:00 AM 7:30:00 AM 2:48:00 PM

Run Finish Time 2:46:00 PM2:35:00 PM 9:03:00 PM Net Run Time, minutes 360 360 360 Dry Gas Meter Volume Sampled, dscf 227.690 233.256 216.481 225.809 Moisture Content of Stack Gas, % 12.59 11.91 11.98 12.160 Moisture Saturation at Stack Gas Temperature, % 67.52 64.87 61.07 64.487 Carbon Dioxide, % 14.76 15.06 13.94 14.587 Oxygen, % 4.07 3.83 5 4.300 Average Stack Gas Temperature, °F 193.08 191.25 188.33 190.887 Dry Volumetric Flow Rate, dry scfm 152,538.2 155,177.3 144,073.5 150,596.333 Actual Wet Volumetric Flue Gas Flow Rate, acfm 215,058.3 216,265.9 200,516.4 210,613.533 Percent Isokinetic of Sampling Rate, % 102.0 102.7 102.7 102.467 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Location Stack Exit - Method 6C Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM4:15:00 PM 8:33:00 PM Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Dry Volumetric Flow Rate, dry scfm 156963 152666 157766 155,798.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 12.1 12.3 12.1 12.167 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 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 7E Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM4:15:00 PM 8:33:00 PM Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Dry Volumetric Flow Rate, dry scfm 156963 152666 157766 155,798.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 12.1 12.3 12.1 12.167 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 - OTM - 27/28 Average Run Number 1 2 3 Test Date 4/16/2010 4/19/2010 4/19/2010 Run Start Time 8:40:00 AM 7:30:00 AM 2:48:00 PM

Run Finish Time 2:48:00 PM1:49:00 PM 9:03:00 PM Net Run Time, minutes 357.2 366.55 353.291 Dry Gas Meter Volume Sampled, dscf 123.747 125.843 120.681 123.424 Moisture Content of Stack Gas, % 12.45 12.36 12.19 12.333 Moisture Saturation at Stack Gas Temperature, % 64.48 60.07 58.70 61.083 Carbon Dioxide, % 14.76 15.06 13.94 14.587 Oxygen, % 4.07 3.83 5 4.300 Average Stack Gas Temperature, °F 190.92 187.67 186.50 188.363 Dry Volumetric Flow Rate, dry scfm 156,087.0 161,342.0 156,036.4 157,821.800 Actual Wet Volumetric Flue Gas Flow Rate, acfm 218,983.1 224,769.6 217,071.0220,274.567 Percent Isokinetic of Sampling Rate, % 105.3 101.0 103.9 103.400 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Wednesday, February 02, 2011 Page 8 of 24

### Spruance Unit 3 MACT ICR Testing

Emissions Summary


### Location: Stack Exit - Method 0011 Compound: Formaldehyde Average RunNumber 1 2 3 Mass_mg 0.0061 0.00472 0.0054 0.005 lb/mmBtuO2 2.03E-06 1.61E-06 1.84E-06 0.000 ppm 2.12E-03 1.70E-03 1.96E-03 0.002 ppm@7%O2 1.77E-03 1.40E-03 1.61E-03 0.002



### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 6.63E-01 2.87E-01 4.07E-01 0.452 ppm 7.44E+02 3.25E+02 4.63E+02 510.667 ppm@7%O2 6.21E+02 2.69E+02 3.80E+02 423.333



### Location: Stack Exit - Method 202 Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 8.4 6.1 10.4 8.300 lb/mmBtuO2 1.82E-03 1.28E-03 2.44E-03 0.002 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 1.5 1.9 1.2 1.533 lb/mmBtuO2 3.25E-04 3.99E-04 2.82E-04 0.000



### Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 1.34E-03 3.93E-04 5.41E-04 0.001 ppm 9.53E-01 2.83E-01 3.91E-01 0.542 ppm@7%O2 7.95E-01 2.34E-01 3.21E-01 0.450



### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.13 0.04 0.04 0.070 lb/mmBtuO2 2.99E-05 9.39E-06 9.08E-06 0.000 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.03 0.09 0.11 0.077



### Wednesday, February 02, 2011 Page 9 of 24

### Spruance Unit 3 MACT ICR Testing

lb/mmBtuO2 6.90E-06 2.11E-05 2.50E-05 0.000



### Location: Stack Exit - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.003496 0.002417 0.002109 0.003 lb/mmBtuO2 4.11E-07 2.74E-07 2.76E-07 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.008996 0.014358 0.011424 0.012 lb/mmBtuO2 1.06E-06 1.62E-06 1.50E-06 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00516 0.00312 0.00172 0.003 lb/mmBtuO2 6.07E-07 3.53E-07 2.25E-07 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.000903 0.00101 0.000959 0.001 lb/mmBtuO2 1.06E-07 1.14E-07 1.26E-07 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.015363 0.01794 0.01336 0.016 lb/mmBtuO2 1.81E-06 2.03E-06 1.75E-06 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.01609 0.00963 0.00584 0.011 lb/mmBtuO2 1.89E-06 1.09E-06 7.65E-07 0.000 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.017814 0.017958 0.014122 0.017 lb/mmBtuO2 2.09E-06 2.03E-06 1.85E-06 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.012871 0.013782 0.009802 0.012 lb/mmBtuO2 1.51E-06 1.56E-06 1.28E-06 0.000 

### Compound: Nickel Average



### Wednesday, February 02, 2011 Page 10 of 24

### Spruance Unit 3 MACT ICR Testing

Process Run Data RunNumber 1 2 3 Mass_mg 0.02327 0.02158 0.01788 0.021 lb/mmBtuO2 2.74E-06 2.44E-06 2.34E-06 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.009 0.00795 0.00551 0.007 lb/mmBtuO2 1.06E-06 9.00E-07 7.21E-07 0.000



### Location: Stack Exit - Method 5 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 389.9 311.6 197.6 299.700 lb/mmBtuO2 4.59E-02 3.53E-02 2.59E-02 0.036



### Location: Stack Exit - Method 6C 

### Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 6.52E-02 6.78E-02 6.28E-02 0.065 ppm 3.20E+01 3.35E+01 3.13E+01 32.267 ppm@7%O2 2.67E+01 2.77E+01 2.57E+01 26.700



### Location: Stack Exit - Method 7E 

### Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 3.03E-01 2.87E-01 2.85E-01 0.292 ppm 2.07E+02 1.98E+02 1.98E+02 201.000 ppm@7%O2 1.73E+02 1.64E+02 1.63E+02 166.667



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

### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 19.2 8.7 6.9 11.600 lb/mmBtuO2 4.15E-03 1.83E-03 1.62E-03 0.003



### Wednesday, February 02, 2011 Page 11 of 24

### Spruance Unit 3 MACT ICR Testing

Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 853Million Btus/hr 0


### 2 Heat Input 838Million Btus/hr 0 3 Heat Input 836Million Btus/hr 0
1 Steam Output 587 1,000 lb/hr 0


### 2 Steam Output 585 1,000 lb/hr 0 3 Steam Output 572 1,000 lb/hr 0
1 Sorbent Injection Rate 9.93 gal/min 0


### 2 Sorbent Injection Rate 9.85 gal/min 0 3 Sorbent Injection Rate 7.75 gal/min 0
1 Pressure Drop Across FGD 3.56 in. H2O 0


### 2 Pressure Drop Across FGD 3.55 in. H2O 0 3 Pressure Drop Across FGD 3.58 in. H2O 0
1 Electrical Generation (Net) 43.39 MWe 0


### 2 Electrical Generation (Net) 43.1 MWe 0 3 Electrical Generation (Net) 42.08 MWe 0
1 Electrical Generation (Gross) 46.42 MWh 0


### 2 Electrical Generation (Gross) 46 MWh 0 3 Electrical Generation (Gross) 45.06 MWh 0
4 Heat Input 824Million Btus/hr 0


### 4 Steam Output 561 1,000 lb/hr 0
4 Sorbent Injection Rate 15.48 gal/min 0
4 Pressure Drop Across FGD 3.54 in. H2O 0


### 4 Electrical Generation (Net) 40.45 MWe 0
4 Electrical Generation (Gross) 43.4 MWh 0 

### 5 Heat Input 831Million Btus/hr 0 5 Steam Output 571 1,000 lb/hr 0 5 Sorbent Injection Rate 7.96 gal/min 0 

### 5 Pressure Drop Across FGD 3.57 in. H2O 0 5 Electrical Generation (Net) 42.31 MWe 0 5 Electrical Generation (Gross) 45.26 MWh 0


### 6 Heat Input 847Million Btus/hr 0
6 Steam Output 562 1,000 lb/hr 0
6 Sorbent Injection Rate 19 gal/min 0



### Wednesday, February 02, 2011 Page 12 of 24

### Spruance Unit 3 MACT ICR Testing

APCD Run Data 6 Pressure Drop Across FGD 3.51 in. H2O 0


### 6 Electrical Generation (Net) 40.52 MWe 0
6 Electrical Generation (Gross) 43.44 MWh 0
7 Heat Input 846Million Btus/hr 0


### 7 Steam Output 582 1,000 lb/hr 0
7 Sorbent Injection Rate 13.91 gal/min 0
7 Pressure Drop Across FGD 3.6 in. H2O 0


### 7 Electrical Generation (Net) 42.29 MWe 0
7 Electrical Generation (Gross) 45.32 MWh 0 8 Heat Input 551Million Btus/hr 0 

### 8 Steam Output 390 1,000 lb/hr 0 8 Sorbent Injection Rate 13.53 gal/min 0 8 Pressure Drop Across FGD 2.55 in. H2O 0 

### 8 Electrical Generation (Net) 20.26 MWe 0 8 Electrical Generation (Gross) 22.74 MWh 0
9 Heat Input 846Million 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


### 7 BAGHOUSE 99.1 % 99.1 8 BAGHOUSE 99.1 % 99.1
9 BAGHOUSE 99.1 % 99.1


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



### Wednesday, February 02, 2011 Page 13 of 24

### Spruance Unit 3 MACT ICR Testing

Process Lab Run Data 4 SCRUBBER 90 % 90 

### 5 SCRUBBER 90 % 90
6 SCRUBBER 90 % 90
7 SCRUBBER 90 % 90 

### 8 SCRUBBER 90 % 90
9 SCRUBBER 90 % 90



### Wednesday, February 02, 2011 Page 14 of 24

### Spruance Unit 3 MACT ICR Testing

Sampling / Stack Data Results Detail


### Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 2:57:00 PM Run Finish Time 11:10:00 AM3:18:00 PM 7:33:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 120 120 120 Nozzle Diameter, inches 0.251 0.251 0.251 0.251 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.99 0.99 0.99 0.990 Barometric Pressure, inches of Mercury 30.44 30.37 30.25 30.353 Average Orifice Meter Differential, inches H2O 1.53 1.43 1.51 1.490 Dry Gas Meter Volume Sampled, cubic feet 79.545 79.504 80.591 79.880 Average Dry Gas Meter Temperature, °F 62.25 79.75 87.83 76.610 Dry Gas Meter Volume Sampled, dscf 81.300 78.424 78.031 79.252 Total Moisture Liquid collected, g 256.1 250.5 244.3 250.300 Volume of Water Vapor, standard cubic feet 12.05 11.79 11.50 11.780 Moisture Content of Stack Gas, % 12.91 13.07 12.84 12.940 Moisture Saturation at Stack Gas Temperature, % 69.46 72.61 78.01 73.360 Dry Mole Fraction 0.8709 0.8693 0.8716 0.871 Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Carbon Monoxide & Nitrogen, % 81.5 81.59 81.69 81.593 Fuel Factor 1.17 1.17 1.18 Dry Molecular Weight, lb/lb-Mole 30.45 30.46 30.45 30.453 Wet Molecular weight, lb/lb-Mole 28.84 28.83 28.85 28.840 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.40 30.33 30.21 30.313 Average Stack Gas Temperature, °F 195.00 197.00 200.25 197.417 Average Velocity Head, inches of H2O 0.5231065167 576530.491966864

6530850.503671228

024076 0.506
Average Stack Gas Velocity, feet/second 44.89 43.66 44.36 44.303 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 161,118.0 155,580.2 157,088.7157,928.967 Actual Wet Volumetric Flue Gas Flow Rate, acfm 225,876.6 219,687.5 223,209.8222,924.633 Percent Isokinetic of Sampling Rate, % 102.6 102.5 101.0 102.033 Percent Excess Air, % 24.5 23.4 22.6 23.500 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 15 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 10 Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM4:15:00 PM 8:33:00 PM Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Fuel Factor 1.17 1.17 1.18 Dry Volumetric Flow Rate, dry scfm 156963 152666 157766155,798.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 12.1 12.3 12.1 12.167 Analyzer Make TECO TECO TECO Analyzer Model 48C 48C 48C Analyzer Serial Number 48C-55116- 30248C-55116-

30248C-55116-

302 Operating Range 2246 2246 2246 2,246.000 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 -1.22 2.4 2.4 1.193 Calibration Pre Zero Cylinder Bias 0 0.16 0.16 0.107 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CO-CC117928 CO-CC117928 CO-CC117928 Calibration Pre High Cylinder Instrument Response 1217 1201.2 1210.9 1,209.700 Calibration Pre High Cylinder Bias 0.65 -0.05 0.38 0.327 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 2.4 2.4 2.4 2.400 Calibration Post Zero Cylinder Bias 0.16 0.16 0.16 0.160 Calibration Post Zero Cylinder Drift 0.16 0 0 0.053 Calibration Post High Cylinder ID CO-CC117928 CO-CC117928 CO-CC117928 Calibration Post High Cylinder Instrument Response 1201.2 1210.9 1212.2 1,208.100 Calibration Post High Cylinder Bias -0.05 0.38 0.44 0.257 Calibration Post High Cylinder Drift 0.7 0.43 0.06 0.397 Cavg 747.1 327.2 467.5 513.933 Cavg Units ppmvd ppmvd ppmvd Cgas 743.7241 324.8944 463.1191 510.579 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 16 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 202 Average Run Number 1 2 3 Test Date 4/16/2010 4/19/2010 4/19/2010 Run Start Time 8:40:00 AM7:30:00 AM 2:48:00 PM Run Finish Time 2:48:00 PM1:49:00 PM 9:03:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 357.2 366.55 353.291 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 0.99 0.99 0.99 0.990 Barometric Pressure, inches of Mercury 30.07 30.1 30.03 30.067 Average Orifice Meter Differential, inches H2O 0.39 0.39 0.39 0.390 Dry Gas Meter Volume Sampled, cubic feet 127.745 125.617 123.826 125.729 Average Dry Gas Meter Temperature, °F 82.83 65.42 78.83 75.693 Dry Gas Meter Volume Sampled, dscf 123.747 125.843 120.681 123.424 Total Moisture Liquid collected, g 374 376.8 355.8 368.867 Volume of Water Vapor, standard cubic feet 17.60 17.74 16.75 17.363 Moisture Content of Stack Gas, % 12.45 12.36 12.19 12.333 Moisture Saturation at Stack Gas Temperature, % 64.48 60.07 58.70 61.083 Dry Mole Fraction 0.8755 0.8764 0.8781 0.877 Carbon Dioxide, % 14.76 15.06 13.94 14.587 Oxygen, % 4.07 3.83 5 4.300 Carbon Monoxide & Nitrogen, % 81.17 81.11 81.06 81.113 Fuel Factor 1.14 1.13 1.14 Dry Molecular Weight, lb/lb-Mole 30.52 30.56 30.43 30.503 Wet Molecular weight, lb/lb-Mole 28.96 29.01 28.91 28.960 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.03 30.06 29.99 30.027 Average Stack Gas Temperature, °F 190.92 187.67 186.50 188.363 Average Velocity Head, inches of H2O 0.4907578054 221880.520934643

5504410.483911222

887698 0.499
Average Stack Gas Velocity, feet/second 43.52 44.67 43.14 43.777 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 156,087.0 161,342.0 156,036.4157,821.800 Actual Wet Volumetric Flue Gas Flow Rate, acfm 218,983.1 224,769.6 217,071.0220,274.567 Percent Isokinetic of Sampling Rate, % 105.3 101.0 103.9 103.400 Percent Excess Air, % 23.4 21.8 30.5 25.233 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 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 17 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM3:18:00 PM 7:33:00 PM Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Fuel Factor 1.17 1.17 1.18 Dry Volumetric Flow Rate, dry scfm 156963 152666 157766155,798.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 12.1 12.3 12.1 12.167 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 2 2 2 2.000 Calibration Pre Zero Cylinder ID PROCC18903 PROCC18903 PROCC18903 Calibration Pre Zero Cylinder Instrument Response -0.01 0.14 -0.05 0.027 Calibration Pre Zero Cylinder Bias 0 0.75 -0.2 0.183 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID PROXC002368B PROXC002368B PROXC002368B Calibration Pre High Cylinder Instrument Response 9.05 8.99 9.06 9.033 Calibration Pre High Cylinder Bias 0 -0.3 0.05 -0.083 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID PROCC18903 PROCC18903 PROCC18903 Calibration Post Zero Cylinder Instrument Response 0.14 -0.05 -0.14 -0.017 Calibration Post Zero Cylinder Bias 0.75 -0.2 -0.65 -0.033 Calibration Post Zero Cylinder Drift 0.75 0.95 0.45 0.717 Calibration Post High Cylinder ID PROXC002368B PROXC002368B PROXC002368B Calibration Post High Cylinder Instrument Response 8.99 9.06 8.98 9.010 Calibration Post High Cylinder Bias -0.3 0.05 -0.35 -0.200 Calibration Post High Cylinder Drift 0.3 0.35 0.4 0.350 Cavg 0.89 0.29 0.25 0.477 Cavg Units ppmvw ppmvw ppmvw Cgas 0.9527 0.2828 0.3914 0.542 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 0.8374371859 296480.248001113

5857460.344053757

542512 0.476
Cgasw Units ppmvw ppmvw ppmvw



### Wednesday, February 02, 2011 Page 18 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM4:15:00 PM 8:33:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.25 0.25 0.25 0.250 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.01 1.01 1.01 1.010 Barometric Pressure, inches of Mercury 30.44 30.37 30.25 30.353 Average Orifice Meter Differential, inches H2O 1.41 1.39 1.48 1.427 Dry Gas Meter Volume Sampled, cubic feet 113.979 114.615 118.979 115.858 Average Dry Gas Meter Temperature, °F 67.42 85.25 88.58 80.417 Dry Gas Meter Volume Sampled, dscf 117.648 114.168 117.357 116.391 Total Moisture Liquid collected, g 343 340.4 341.9 341.767 Volume of Water Vapor, standard cubic feet 16.15 16.02 16.09 16.087 Moisture Content of Stack Gas, % 12.07 12.31 12.06 12.147 Moisture Saturation at Stack Gas Temperature, % 68.98 72.35 53.59 64.973 Dry Mole Fraction 0.8793 0.8769 0.8794 0.879 Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Carbon Monoxide & Nitrogen, % 81.5 81.59 81.69 81.593 Fuel Factor 1.17 1.17 1.18 Dry Molecular Weight, lb/lb-Mole 30.45 30.46 30.45 30.453 Wet Molecular weight, lb/lb-Mole 28.95 28.93 28.95 28.943 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.40 30.33 30.21 30.313 Average Stack Gas Temperature, °F 194.67 196.83 182.67 191.390 Average Velocity Head, inches of H2O 0.5231065167 576530.473223427

9913380.494103827

198984 0.497
Average Stack Gas Velocity, feet/second 44.80 42.74 43.27 43.603 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 162,427.7 153,673.2 158,829.1158,310.000 Actual Wet Volumetric Flue Gas Flow Rate, acfm 225,423.7 215,058.3 217,725.1219,402.367 Percent Isokinetic of Sampling Rate, % 99.0 101.5 101.0 100.500 Percent Excess Air, % 24.5 23.4 22.6 23.500 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 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 19 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 29 Average Run Number 1 2 3 Test Date 4/16/2010 4/19/2010 4/19/2010 Run Start Time 8:40:00 AM7:30:00 AM 2:48:00 PM Run Finish Time 2:46:00 PM2:35:00 PM 9:03:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 360 360 360 Nozzle Diameter, inches 0.25 0.25 0.25 0.250 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.01 1.01 1.01 1.010 Barometric Pressure, inches of Mercury 30.07 30.1 30.03 30.067 Average Orifice Meter Differential, inches H2O 1.40 1.38 1.19 1.323 Dry Gas Meter Volume Sampled, cubic feet 230.214 226.121 214.412 223.582 Average Dry Gas Meter Temperature, °F 83.75 61.83 71.67 72.417 Dry Gas Meter Volume Sampled, dscf 227.690 233.256 216.481 225.809 Total Moisture Liquid collected, g 696.7 669.9 626.1 664.233 Volume of Water Vapor, standard cubic feet 32.79 31.53 29.47 31.263 Moisture Content of Stack Gas, % 12.59 11.91 11.98 12.160 Moisture Saturation at Stack Gas Temperature, % 67.52 64.87 61.07 64.487 Dry Mole Fraction 0.8741 0.8809 0.8802 0.878 Carbon Dioxide, % 14.76 15.06 13.94 14.587 Oxygen, % 4.07 3.83 5 4.300 Carbon Monoxide & Nitrogen, % 81.17 81.11 81.06 81.113 Fuel Factor 1.14 1.13 1.14 Dry Molecular Weight, lb/lb-Mole 30.52 30.56 30.43 30.503 Wet Molecular weight, lb/lb-Mole 28.94 29.06 28.94 28.980 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.03 30.06 29.99 30.027 Average Stack Gas Temperature, °F 193.08 191.25 188.33 190.887 Average Velocity Head, inches of H2O 0.4712751659 592970.480387928

0180540.412172984

094798 0.455
Average Stack Gas Velocity, feet/second 42.74 42.98 39.85 41.857 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 152,538.2 155,177.3 144,073.5150,596.333 Actual Wet Volumetric Flue Gas Flow Rate, acfm 215,058.3 216,265.9 200,516.4210,613.533 Percent Isokinetic of Sampling Rate, % 102.0 102.7 102.7 102.467 Percent Excess Air, % 23.4 21.8 30.5 25.233 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 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 20 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 5 Average Run Number 1 2 3 Test Date 4/16/2010 4/19/2010 4/19/2010 Run Start Time 8:40:00 AM7:30:00 AM 2:48:00 PM Run Finish Time 2:46:00 PM2:35:00 PM 9:03:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 360 360 360 Nozzle Diameter, inches 0.25 0.25 0.25 0.250 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.01 1.01 1.01 1.010 Barometric Pressure, inches of Mercury 30.07 30.1 30.03 30.067 Average Orifice Meter Differential, inches H2O 1.40 1.38 1.19 1.323 Dry Gas Meter Volume Sampled, cubic feet 230.214 226.121 214.412 223.582 Average Dry Gas Meter Temperature, °F 83.75 61.83 71.67 72.417 Dry Gas Meter Volume Sampled, dscf 227.690 233.256 216.481 225.809 Total Moisture Liquid collected, g 696.7 669.9 626.1 664.233 Volume of Water Vapor, standard cubic feet 32.79 31.53 29.47 31.263 Moisture Content of Stack Gas, % 12.59 11.91 11.98 12.160 Moisture Saturation at Stack Gas Temperature, % 67.52 64.87 61.07 64.487 Dry Mole Fraction 0.8741 0.8809 0.8802 0.878 Carbon Dioxide, % 14.76 15.06 13.94 14.587 Oxygen, % 4.07 3.83 5 4.300 Carbon Monoxide & Nitrogen, % 81.17 81.11 81.06 81.113 Fuel Factor 1.14 1.13 1.14 Dry Molecular Weight, lb/lb-Mole 30.52 30.56 30.43 30.503 Wet Molecular weight, lb/lb-Mole 28.94 29.06 28.94 28.980 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.03 30.06 29.99 30.027 Average Stack Gas Temperature, °F 193.08 191.25 188.33 190.887 Average Velocity Head, inches of H2O 0.4712751659 592980.480387928

0180540.412172984

094798 0.455
Average Stack Gas Velocity, feet/second 42.74 42.98 39.85 41.857 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 152,538.2 155,177.3 144,073.5150,596.333 Actual Wet Volumetric Flue Gas Flow Rate, acfm 215,058.3 216,265.9 200,516.4210,613.533 Percent Isokinetic of Sampling Rate, % 102.0 102.7 102.7 102.467 Percent Excess Air, % 23.4 21.8 30.5 25.233 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 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 21 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 6C Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM4:15:00 PM 8:33:00 PM Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Fuel Factor 1.17 1.17 1.18 Dry Volumetric Flow Rate, dry scfm 156963 152666 157766155,798.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 12.1 12.3 12.1 12.167 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 443 433 443 439.667 Operating Units ppm ppm ppm No. Readings/Avg. 6 6 6 6.000 Calibration Set 3 3 3 3.000 Calibration Pre Zero Cylinder ID SO2-CC18903 SO2- CC18903 SO2-

CC18903 Calibration Pre Zero Cylinder Instrument Response 5.13 5.37 4.64 5.047 Calibration Pre Zero Cylinder Bias 0.46 0.51 0.35 0.440 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SO2-EB0015920 SO2-EB0015920 SO2-EB0015920 Calibration Pre High Cylinder Instrument Response 225.76 225.8 222.2 224.587 Calibration Pre High Cylinder Bias 0 0.01 -0.8 -0.263 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 5.37 4.64 3.2 4.403 Calibration Post Zero Cylinder Bias 0.51 0.35 0.02 0.293 Calibration Post Zero Cylinder Drift 0.05 0.16 0.33 0.180 Calibration Post High Cylinder ID SO2-EB0015920 SO2-EB0015920 SO2-EB0015920 Calibration Post High Cylinder Instrument Response 225.8 222.2 222.5 223.500 Calibration Post High Cylinder Bias 0.01 -0.8 -0.74 -0.510 Calibration Post High Cylinder Drift 0.01 0.816.000000000 00001E-02 0.293
Cavg 37 38.1 34.7 36.600 Cavg Units ppmvd ppmvd ppmvd Cgas 31.9616 33.5491 31.2831 32.265 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 22 of 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - Method 7E Average Run Number 1 2 3 Test Date 4/15/2010 4/15/2010 4/15/2010 Run Start Time 9:00:00 AM1:08:00 PM 5:24:00 PM Run Finish Time 12:11:00 PM4:15:00 PM 8:33:00 PM Carbon Dioxide, % 14.26 14.33 14.33 14.307 Oxygen, % 4.24 4.08 3.98 4.100 Fuel Factor 1.17 1.17 1.18 Dry Volumetric Flow Rate, dry scfm 156963 152666 157766155,798.333 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 12.1 12.3 12.1 12.167 Analyzer Make TECO TECO TECO Analyzer Model 10 10 10 10.000 Analyzer Serial Number 10AB2425021 410AB242502

1410AB242502

14 Operating Range 232.6 232.6 232.6 232.600 Operating Units ppm ppm ppm No. Readings/Avg. 6 6 6 6.000 Calibration Set 4 4 4 4.000 Calibration Pre Zero Cylinder ID NOXCC18903 NOXCC18903 NOXCC18903 Calibration Pre Zero Cylinder Instrument Response 0 2.4 0 0.800 Calibration Pre Zero Cylinder Bias 0 1.03 0 0.343 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID NOXCC87198 NOXCC87198 NOXCC87198 Calibration Pre High Cylinder Instrument Response 120.63 120.85 122.1 121.193 Calibration Pre High Cylinder Bias -0.12 -0.02 0.52 0.127 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID NOXCC18903 NOXCC18903 NOXCC18903 Calibration Post Zero Cylinder Instrument Response 2.4 0 0 0.800 Calibration Post Zero Cylinder Bias 1.03 0 0 0.343 Calibration Post Zero Cylinder Drift 1.03 1.03 0 0.687 Calibration Post High Cylinder ID NOXCC87198 NOXCC87198 NOXCC87198 Calibration Post High Cylinder Instrument Response 120.85 122.1 122.1 121.683 Calibration Post High Cylinder Bias -0.02 0.52 0.52 0.340 Calibration Post High Cylinder Drift 0.1 0.54 0 0.213 Cavg 203.8 196.1 197.8 199.233 Cavg Units ppmvd ppmvd ppmvd Cgas 206.9388 197.8573 197.8 200.865 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 24

### Spruance Unit 3 MACT ICR Testing

Location Stack Exit - OTM - 27/28 Average Run Number 1 2 3 Test Date 4/16/2010 4/19/2010 4/19/2010 Run Start Time 8:40:00 AM7:30:00 AM 2:48:00 PM Run Finish Time 2:48:00 PM1:49:00 PM 9:03:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 357.2 366.55 353.291 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 0.99 0.99 0.99 0.990 Barometric Pressure, inches of Mercury 30.07 30.1 30.03 30.067 Average Orifice Meter Differential, inches H2O 0.39 0.39 0.39 0.390 Dry Gas Meter Volume Sampled, cubic feet 127.745 125.617 123.826 125.729 Average Dry Gas Meter Temperature, °F 82.83 65.42 78.83 75.693 Dry Gas Meter Volume Sampled, dscf 123.747 125.843 120.681 123.424 Total Moisture Liquid collected, g 374 376.8 355.8 368.867 Volume of Water Vapor, standard cubic feet 17.60 17.74 16.75 17.363 Moisture Content of Stack Gas, % 12.45 12.36 12.19 12.333 Moisture Saturation at Stack Gas Temperature, % 64.48 60.07 58.70 61.083 Dry Mole Fraction 0.8755 0.8764 0.8781 0.877 Carbon Dioxide, % 14.76 15.06 13.94 14.587 Oxygen, % 4.07 3.83 5 4.300 Carbon Monoxide & Nitrogen, % 81.17 81.11 81.06 81.113 Fuel Factor 1.14 1.13 1.14 Dry Molecular Weight, lb/lb-Mole 30.52 30.56 30.43 30.503 Wet Molecular weight, lb/lb-Mole 28.96 29.01 28.91 28.960 Flue Gas Static Pressure, inches of H2O -0.5 -0.5 -0.5 -0.500 Absolute Flue Gas Pressure, inches of Mercury 30.03 30.06 29.99 30.027 Average Stack Gas Temperature, °F 190.92 187.67 186.50 188.363 Average Velocity Head, inches of H2O 0.4907578054 221880.520934643

5504410.483911222

887698 0.499
Average Stack Gas Velocity, feet/second 43.52 44.67 43.14 43.777 Stack Cross-Sectional Area, square feet 83.863 83.863 83.863 83.863 Dry Volumetric Flow Rate, dry scfm 156,087.0 161,342.0 156,036.4157,821.800 Actual Wet Volumetric Flue Gas Flow Rate, acfm 218,983.1 224,769.6 217,071.0220,274.567 Percent Isokinetic of Sampling Rate, % 105.3 101.0 103.9 103.400 Percent Excess Air, % 23.4 21.8 30.5 25.233 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 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 24 of 24