### Name: Steve Strunk

Title: Specialist Air Permitting Compliance Company: Tennessee Valley Authority Sign Date: 9/30/2010 Name: Jim Diederich Title: System Engineer Perf. Evaluation Company: Tennessee Valley Authority Sign Date: 9/30/2010 Permitted Facility Representative / Date Testing Company Representative / Date 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.

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Facility Information:
Colbert Steam Plant
900 Colbert Steam Plant Road

Tuscumbia AL35674 Contact:Steve Strunk Phone: 423-751-2808 Fax: 423-751-7011 Email: scstrunk@tva.gov Testing Company: TVA Performance Engineering
1101 Market Street PSC 1B-C

Chattanooga TN37402 Contact:Jim Diederich Phone:423-876-6730 Fax: 423-876-6734 Email: jadiederich@tva.gov

Air Permit Number: 701-0010 Permitted Source ID/Name: Colbert Fossil Plant 47 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: Colbert Unit 3, located in Tuscumbia, AL is a coal fired utility boiler with a design rating of 200 MW. It is a wall fired Babcock & Wilcox dry bottom boiler burning a 75% PRB blend coal. The unit is equipped with low NOx burners for NOx emission control and a electrostatic precipitator for control of particulate emissions. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #:0103300010 FRS #: 110000367834

SCC / Description10100222 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom (Subbituminous 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 Duct 0 0 0 16 134.4 3 84 336

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Carbon Monoxide Method 10 3 120 0 Duct Formaldehyde Method 0011 3 120 0 Duct Total organic compounds

(TOC) as Propane Method 25A 3 120 0 Duct
Hydrogen Fluoride Method 26A 3 180 0 Duct Hydrogen Chloride Method 26A 3 180 0 Duct Filterable PM2.5 OTM - 27/28 3 240 0 Duct Total PM2.5 OTM - 27/28 3 240 0 Duct


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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.

Filterable Particulate OTM - 27/28 3 240 0 Duct Organic Condensible

Particulate OTM - 27/28 3 240 0 Duct
Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 240 0 Duct
Beryllium Method 29 3 240 0 Duct Cadmium Method 29 3 240 0 Duct Cobalt Method 29 3 240 0 Duct Chromium Method 29 3 240 0 Duct Filterable Particulate Method 29 3 240 0 Duct Selenium Method 29 3 240 0 Duct Nickel Method 29 3 240 0 Duct Manganese Method 29 3 240 0 Duct Lead Method 29 3 240 0 Duct Antimony Method 29 3 240 0 Duct Arsenic Method 29 3 240 0 Duct Co2 Method 3A CO2 3 120 0 Duct O2 Method 3A O2 3 120 0 Duct Sulfur Dioxide Method 6C 3 120 0 Duct Nitrogen oxides (NOx) Method 7E 3 120 0 Duct



### Tuesday, February 15, 2011 Page 3 of 23

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Sampling / Stack Data Results Summary



### Location Duct - Method 0011 Average Run Number 1 2 3
Test Date 6/3/2010 6/4/2010 6/4/2010 Run Start Time 1:17:00 PM1:04:00 PM12:00:00 AM Run Finish Time 4:32:00 PM4:38:00 PM 7:17:00 PM Net Run Time, minutes 144 144 144 Dry Gas Meter Volume Sampled, dscf 119.191 119.768 127.743 122.234 Moisture Content of Stack Gas, % 9.70 8.93 9.36 9.330 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 12.05 11.74 11.45 11.747 Oxygen, % 7.47 7.74 8.09 7.767 Average Stack Gas Temperature, °F 373.83 374.98 374.13 374.313 Dry Volumetric Flow Rate, dry scfm 458,775.5 459,641.8 484,490.5 467,635.933 Actual Wet Volumetric Flue Gas Flow Rate, acfm 822,964.8 815,320.8 862,596.0 833,627.200 Percent Isokinetic of Sampling Rate, % 101.1 101.3 101.6 101.333 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 Duct - Method 10 Average Run Number 1 2 3
Test Date 6/3/2010 6/4/2010 6/4/2010 Run Start Time 2:24:00 PM 12:56:00 PM 7:10:00 PM

Run Finish Time 4:34:00 PM3:05:00 PM 9:50:00 PM Carbon Dioxide, % 12.05 11.74 11.45 11.747 Oxygen, % 7.47 7.74 8.09 7.767 Dry Volumetric Flow Rate, dry scfm 0.05 0.05 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.46 9.5 9.5 9.487 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



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Location Duct - Method 25A Average Run Number 1 2 3
Test Date 6/3/2010 6/4/2010 6/4/2010 Run Start Time 3:33:00 PM 12:56:00 PM 7:12:00 PM

Run Finish Time 5:42:00 PM2:56:00 PM 9:49:00 PM Carbon Dioxide, % 12.05 11.74 11.45 11.747 Oxygen, % 7.47 7.74 8.09 7.767 Dry Volumetric Flow Rate, dry scfm 0.05 0.05 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.46 9.5 9.5 9.487 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Location Duct - Method 26A Average Run Number 1 2 3
Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 10:35:00 AM3:34:00 PM 2:18:00 PM Run Finish Time 2:24:00 PM7:26:00 PM 5:54:00 PM Net Run Time, minutes 192 192 192 Dry Gas Meter Volume Sampled, dscf 156.804 154.539 154.043 155.129 Moisture Content of Stack Gas, % 9.64 9.21 9.72 9.523 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Average Stack Gas Temperature, °F 372.77 377.73 374.79 375.097 Dry Volumetric Flow Rate, dry scfm 458,612.2 454,742.9 452,556.6 455,303.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 814,380.0 812,616.0 810,146.4 812,380.800 Percent Isokinetic of Sampling Rate, % 98.8 98.2 98.4 98.467 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



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Location Duct - Method 29 Average Run Number 1 2 3
Test Date 5/25/2010 5/26/2010 5/27/2010 Run Start Time 8:31:00 AM 8:21:00 AM 8:25:00 AM

Run Finish Time 1:21:00 PM1:14:00 PM 1:05:00 PM Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 198.187 201.797 197.466 199.150 Moisture Content of Stack Gas, % 9.13 9.07 9.58 9.260 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 11.59 11.3 11.59 11.493 Oxygen, % 7.95 8.26 7.87 8.027 Average Stack Gas Temperature, °F 367.52 373.33 363.88 368.243 Dry Volumetric Flow Rate, dry scfm 465,728.0 471,958.7 464,806.4 467,497.700 Actual Wet Volumetric Flue Gas Flow Rate, acfm 814,144.8 830,844.0 816,026.4 820,338.400 Percent Isokinetic of Sampling Rate, % 99.9 100.3 99.7 99.967 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



### Location Duct - Method 3A CO2 Average Run Number 1 2 3
Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 10:35:00 AM3:34:00 PM 2:18:00 PM Run Finish Time 2:24:00 PM7:26:00 PM 5:54:00 PM Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.64 9.21 9.72 9.523 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



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Location Duct - Method 3A O2 Average Run Number 1 2 3
Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 12:10:00 PM3:34:00 PM 2:18:00 PM
Run Finish Time 2:20:00 PM7:26:00 PM 5:54:00 PM Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.64 9.21 9.72 9.523 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Location Duct - Method 6C Average Run Number 1 2 3
Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 10:35:00 AM3:34:00 PM 2:18:00 PM Run Finish Time 2:24:00 PM7:26:00 PM 5:54:00 PM Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.64 9.21 9.72 9.523 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



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Location Duct - Method 7E Average Run Number 1 2 3
Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 10:35:00 AM3:34:00 PM 2:18:00 PM
Run Finish Time 2:24:00 PM7:26:00 PM 5:54:00 PM Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.64 9.21 9.72 9.523 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Location Duct - OTM - 27/28 Average Run Number 1 2 3
Test Date 5/25/2010 5/26/2010 5/27/2010 Run Start Time 8:26:00 AM 8:15:00 AM 8:20:00 AM

Run Finish Time 2:43:00 PM2:43:00 PM 2:21:00 PM Net Run Time, minutes 361.5 363 350.25 Dry Gas Meter Volume Sampled, dscf 131.042 132.632 125.998 129.891 Moisture Content of Stack Gas, % 10.51 8.93 9.57 9.670 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 11.59 11.3 11.59 11.493 Oxygen, % 7.95 8.26 7.87 8.027 Average Stack Gas Temperature, °F 367.54 373.21 364.00 368.250 Dry Volumetric Flow Rate, dry scfm 467,985.3 475,363.1 459,029.6 467,459.333 Actual Wet Volumetric Flue Gas Flow Rate, acfm 830,726.4 835,430.4 805,912.8 824,023.200 Percent Isokinetic of Sampling Rate, % 114.4 113.5 115.7 114.533 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



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Emissions Summary



### Location: Duct - Method 0011 Compound: Formaldehyde Average RunNumber 1 2 3 Mass_mg 0.338 0.264 0.337 0.313 lb/mmBtuO2 9.52E-05 7.55E-05 9.28E-05 0.000 ppm 8.02E-02 6.24E-02 7.46E-02 0.072 ppm@7%O2 8.30E-02 6.59E-02 8.09E-02 0.077



### Location: Duct - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 3.11E-01 3.36E-01 1.99E-01 0.282 ppm 2.81E+02 2.98E+02 1.72E+02 250.333 ppm@7%O2 2.91E+02 3.15E+02 1.87E+02 264.333



### Location: Duct - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 4.00E-03 1.29E-03 1.56E-03 0.002 ppm 2.30E+00 7.27E-01 8.55E-01 1.294 ppm@7%O2 2.38E+00 7.68E-01 9.28E-01 1.359



### Location: Duct - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 66.4 72.6 45.7 61.567 lb/mmBtuO2 1.46E-02 1.60E-02 1.04E-02 0.014 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 27.1 26.3 25.6 26.333 lb/mmBtuO2 5.95E-03 5.80E-03 5.80E-03 0.006



### Location: Duct - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.0017 0.0017 0.00177 0.002 lb/mmBtuO2 2.98E-07 3.00E-07 3.10E-07 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00087 0.00089 0.00123 0.001



### Tuesday, February 15, 2011 Page 9 of 23

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lb/mmBtuO2 1.53E-07 1.57E-07 2.15E-07 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00032 0.00032 0.00032 0.000 lb/mmBtuO2 5.62E-08 5.65E-08 5.60E-08 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.00136 0.001063 0.01024 0.004 lb/mmBtuO2 2.39E-07 1.88E-07 1.79E-06 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.06588 0.18118 0.02728 0.091 lb/mmBtuO2 1.16E-05 3.20E-05 4.78E-06 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.001 0.001 0.00123 0.001 lb/mmBtuO2 1.76E-07 1.77E-07 2.15E-07 0.000 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 24.25 25.2 21.8 23.750 lb/mmBtuO2 4.26E-03 4.45E-03 3.82E-03 0.004 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.0095 0.015 0.0178 0.014 lb/mmBtuO2 1.67E-06 2.65E-06 3.12E-06 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.02061 0.02791 0.03411 0.028 lb/mmBtuO2 3.62E-06 4.93E-06 5.97E-06 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0665 0.16328 0.1124 0.114 lb/mmBtuO2 1.17E-05 2.88E-05 1.97E-05 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.1696 0.2042 0.1137 0.163


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Process Run Data lb/mmBtuO2 2.98E-05 3.61E-05 1.99E-05 0.000



### Location: Duct - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 5.73E-01 5.64E-01 6.87E-01 0.608 ppm 2.21E+02 2.20E+02 2.61E+02 234.000 ppm@7%O2 2.34E+02 2.31E+02 2.81E+02 248.667



### Location: Duct - Method 7E Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 4.06E-01 4.05E-01 4.04E-01 0.405 ppm 2.18E+02 2.20E+02 2.14E+02 217.333 ppm@7%O2 2.31E+02 2.31E+02 2.30E+02 230.667



### Location: Duct - OTM - 27/28 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 87.15 44.3 75.1 68.850 lb/mmBtuO2 2.31E-02 1.19E-02 2.06E-02 0.019 

### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 11.75 11.7 18.4 13.950 lb/mmBtuO2 3.12E-03 3.14E-03 5.05E-03 0.004 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 81.6 65.7 51.2 66.167 lb/mmBtuO2 2.17E-02 1.77E-02 1.41E-02 0.018 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 1.5 1.7 1.4 1.533 lb/mmBtuO2 3.98E-04 4.57E-04 3.84E-04 0.000 

### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 94.85 79.1 71 81.650 lb/mmBtuO2 2.52E-02 2.13E-02 1.95E-02 0.022



### Tuesday, February 15, 2011 Page 11 of 23

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Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Heat Input 1882.6Million Btus/hr M0011 Run 1 0


### 1 Steam Output 1229.3 Klb/hr M0011 Run 1 0
1 Gross Electric Generation 185 MW M0011 Run 1 0
2 Heat Input 1921.2Million Btus/hr M0011 Run 2 0


### 2 Steam Output 1207.5 Klb/hr M0011 Run 2 0
2 Gross Electric Generation 182 MW M0011 Run 2 0
3 Heat Input 1938.3Million Btus/hr M0011 Run 3 0


### 3 Steam Output 1196.8 Klb/hr M0011 Run 3 0
3 Gross Electric Generation 182 MW M0011 Run 3 0
4 Heat Input 1930.7Million Btus/hr M29 Run 1 0


### 4 Steam Output 1230.6 Klb/hr M29 Run 1 0
4 Gross Electric Generation 187 MW M29 Run 1 0
5 Heat Input 1937.7Million Btus/hr M29 Run 2 0


### 5 Steam Output 1225.7 Klb/hr M29 Run 2 0
5 Gross Electric Generation 187 MW M29 Run 2 0
6 Heat Input 1881Million Btus/hr M29 Run 3 0


### 6 Steam Output 1234.5 Klb/hr M29 Run 3 0
6 Gross Electric Generation 184 MW M29 Run 3 0
7 Heat Input 1931Million Btus/hr OTM 27/28 Run 1 0


### 7 Steam Output 1228.9 Klb/hr OTM 27/28 Run 1 0
7 Gross Electric Generation 186 MW OTM 27/28 Run 1 0
8 Heat Input 1934.8Million Btus/hr OTM 27/28 Run 2 0


### 8 Steam Output 1226.6 Klb/hr OTM 27/28 Run 2 0
8 Gross Electric Generation 187 MW OTM 27/28 Run 2 0


### 9 Heat Input 1893.3Million Btus/hr OTM 27/28 Run 3 0
9 Steam Output 1233.7 Klb/hr OTM 27/28 Run 3 0
9 Gross Electric Generation 184 MW OTM 27/28 Run 3 0

Run Name Value UOM Comments Target Value 

### 1 ELECTROSTATIC PRECIPITATOR 0 0
1 MECHANICAL COLLECTOR 0 0
1 LOW NOX BURNERS 0 0



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Process Lab Run Data



### Tuesday, February 15, 2011 Page 13 of 23

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Sampling / Stack Data Results Detail



### Location Duct - Method 0011 Average Run Number 1 2 3 Test Date 6/3/2010 6/4/2010 6/4/2010 Run Start Time 1:17:00 PM 1:04:00 PM12:00:00 AM Run Finish Time 4:32:00 PM 4:38:00 PM 7:17:00 PM Net Traversing Points 48 49 48 Net Run Time, minutes 144 144 144 Nozzle Diameter, inches 0.2533 0.2533 0.2545 0.254 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1 1 1 1.000 Barometric Pressure, inches of Mercury 29.319 29.431 29.431 29.394 Average Orifice Meter Differential, inches H2O 2.45 2.41 2.66 2.507 Dry Gas Meter Volume Sampled, cubic feet 127.183 126.301 133.687 129.057 Average Dry Gas Meter Temperature, °F 95.48 91.00 87.15 91.210 Dry Gas Meter Volume Sampled, dscf 119.191 119.768 127.743 122.234 Total Moisture Liquid collected, g 272.2 249.5 280.3 267.333 Volume of Water Vapor, standard cubic feet 12.81 11.74 13.19 12.580 Moisture Content of Stack Gas, % 9.70 8.93 9.36 9.330 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.903 0.9107 0.9064 0.907 Carbon Dioxide, % 12.05 11.74 11.45 11.747 Oxygen, % 7.47 7.74 8.09 7.767 Carbon Monoxide & Nitrogen, % 80.48 80.52 80.46 80.487 Fuel Factor 1.11 1.12 1.12 Dry Molecular Weight, lb/lb-Mole 30.23 30.19 30.16 30.193 Wet Molecular weight, lb/lb-Mole 29.04 29.10 29.02 29.053 Flue Gas Static Pressure, inches of H2O -2 -1.9 -1.9 -1.933 Absolute Flue Gas Pressure, inches of Mercury 29.17 29.29 29.29 29.250 Average Stack Gas Temperature, °F 373.83 374.98 374.13 374.313 Average Velocity Head, inches of H2O 0.9647405598 027850.951501960

510893 1.063055174

75303 0.993
Average Stack Gas Velocity, feet/second 69.98 69.33 73.35 70.887 Stack Cross-Sectional Area, square feet 196.000 196.000 196.000 196.000 Dry Volumetric Flow Rate, dry scfm 458,775.5 459,641.8 484,490.5467,635.933 Actual Wet Volumetric Flue Gas Flow Rate, acfm 822,964.8 815,320.8 862,596.0833,627.200 Percent Isokinetic of Sampling Rate, % 101.1 101.3 101.6 101.333 Percent Excess Air, % 54.2 57.3 61.5 57.667 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 84 84 84 Rectangular Duct Length, inches 336 336 336 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



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Location Duct - Method 10 Average Run Number 1 2 3 Test Date 6/3/2010 6/4/2010 6/4/2010 Run Start Time 2:24:00 PM12:56:00 PM 7:10:00 PM Run Finish Time 4:34:00 PM 3:05:00 PM 9:50:00 PM Carbon Dioxide, % 12.05 11.74 11.45 11.747 Oxygen, % 7.47 7.74 8.09 7.767 Fuel Factor 1.11 1.12 1.12 Dry Volumetric Flow Rate, dry scfm 0.05 0.05 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.46 9.5 9.5 9.487 Analyzer Make Servomex Servomex Servomex Analyzer Model 4900 4900 4900 4,900.000 Analyzer Serial Number E32403 E32403 E32403 Operating Range 993 993 993 993.000 Operating Units ppm ppm ppm No. Readings/Avg. 1 1 1 1.000 Calibration Set 20 21 21 20.667 Calibration Pre Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Pre Zero Cylinder Instrument Response 0.235 -3.1 -3.1 -1.988 Calibration Pre Zero Cylinder Bias 0.02 -0.02 -0.02 -0.007 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM049313ALM049313 ALM049313 Calibration Pre High Cylinder Instrument Response 505 481.5 481.5 489.333 Calibration Pre High Cylinder Bias -0.87 -0.9 -0.9 -0.890 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Post Zero Cylinder Instrument Response -0.05 -3.7 -2.8 -2.183 Calibration Post Zero Cylinder Bias -0.01 -0.08 0.01 -0.027 Calibration Post Zero Cylinder Drift 0.03 0.06 0.03 0.040 Calibration Post High Cylinder ID ALM049313ALM049313 ALM049313 Calibration Post High Cylinder Instrument Response 499 481.7 485.5 488.733 Calibration Post High Cylinder Bias -1.47 -0.88 -0.49 -0.947 Calibration Post High Cylinder Drift 0.6 0.02 0.41 0.343 Cavg 282.04 285.3 164.2 243.847 Cavg Units ppmvd ppmvd ppmvd Cgas 280.876 297.6289 171.8059 250.104 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



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Location Duct - Method 25A Average Run Number 1 2 3 Test Date 6/3/2010 6/4/2010 6/4/2010 Run Start Time 3:33:00 PM12:56:00 PM 7:12:00 PM Run Finish Time 5:42:00 PM 2:56:00 PM 9:49:00 PM Carbon Dioxide, % 12.05 11.74 11.45 11.747 Oxygen, % 7.47 7.74 8.09 7.767 Fuel Factor 1.11 1.12 1.12 Dry Volumetric Flow Rate, dry scfm 0.05 0.05 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.46 9.5 9.5 9.487 Analyzer Make California Analytical California

Analytical California

Analytical Analyzer Model 600 600 600 600.000 Analyzer Serial Number W11018 W11018 W11018 Operating Range 29.73 9.91 9.91 16.517 Operating Units ppm ppm ppm No. Readings/Avg. 6 6 1 4.333 Calibration Set 22 23 23 22.667 Calibration Pre Zero Cylinder ID ALM005158ALM005158 ALM005158 Calibration Pre Zero Cylinder Instrument Response 0.15 0.15 0.15 0.150 Calibration Pre Zero Cylinder Bias 1.72 1.72 1.72 1.720 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CLM010322CLM010322 CLM010322 Calibration Pre High Cylinder Instrument Response 9.75 9.75 9.75 9.750 Calibration Pre High Cylinder Bias -0.91 -1.61 -1.61 -1.377 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM005158ALM005158 ALM005158 Calibration Post Zero Cylinder Instrument Response 0.22 0.22 0.22 0.220 Calibration Post Zero Cylinder Bias 2.42 2.42 2.42 2.420 Calibration Post Zero Cylinder Drift 0.7 0.7 0.7 0.700 Calibration Post High Cylinder ID CLM010322CLM010322 CLM010322 Calibration Post High Cylinder Instrument Response 9.44 9.44 9.44 9.440 Calibration Post High Cylinder Bias -4.04 -4.74 -4.74 -4.507 Calibration Post High Cylinder Drift 3.13 3.13 3.13 3.130 Cavg 2.16 0.81 0.92 1.297 Cavg Units ppmvw ppmvw ppmvw Cgas 2.2973 0.7273 0.8553 1.293 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 2.0799415515 40910.658209351

753454 0.774054197

662062 1.171
Cgasw Units ppmvw ppmvw ppmvw



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Location Duct - Method 26A Average Run Number 1 2 3 Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 10:35:00 AM 3:34:00 PM 2:18:00 PM Run Finish Time 2:24:00 PM 7:26:00 PM 5:54:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 192 192 192 Nozzle Diameter, inches 0.2545 0.2545 0.2545 0.255 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1 1 1 1.000 Barometric Pressure, inches of Mercury 29.54 29.392 29.401 29.444 Average Orifice Meter Differential, inches H2O 2.42 2.38 2.36 2.387 Dry Gas Meter Volume Sampled, cubic feet 165.213 164.351 164.505 164.690 Average Dry Gas Meter Temperature, °F 92.56 94.90 97.35 94.937 Dry Gas Meter Volume Sampled, dscf 156.804 154.539 154.043 155.129 Total Moisture Liquid collected, g 355.4 333.2 352.4 347.000 Volume of Water Vapor, standard cubic feet 16.73 15.68 16.59 16.333 Moisture Content of Stack Gas, % 9.64 9.21 9.72 9.523 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9036 0.9079 0.9028 0.905 Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Carbon Monoxide & Nitrogen, % 80.51 80.66 80.52 80.563 Fuel Factor 1.12 1.13 1.12 Dry Molecular Weight, lb/lb-Mole 30.18 30.17 30.16 30.170 Wet Molecular weight, lb/lb-Mole 29.01 29.05 28.98 29.013 Flue Gas Static Pressure, inches of H2O -1.8 -1.8 -1.8 -1.800 Absolute Flue Gas Pressure, inches of Mercury 29.41 29.26 29.27 29.313 Average Stack Gas Temperature, °F 372.77 377.73 374.79 375.097 Average Velocity Head, inches of H2O 0.9527253560 771340.939559926

499221 0.935143512

804631 0.942
Average Stack Gas Velocity, feet/second 69.25 69.10 68.89 69.080 Stack Cross-Sectional Area, square feet 196.000 196.000 196.000 196.000 Dry Volumetric Flow Rate, dry scfm 458,612.2 454,742.9 452,556.6455,303.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 814,380.0 812,616.0 810,146.4812,380.800 Percent Isokinetic of Sampling Rate, % 98.8 98.2 98.4 98.467 Percent Excess Air, % 58.0 56.3 60.2 58.167 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 84 84 84 Rectangular Duct Length, inches 336 336 336 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



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Location Duct - Method 29 Average Run Number 1 2 3 Test Date 5/25/2010 5/26/2010 5/27/2010 Run Start Time 8:31:00 AM 8:21:00 AM 8:25:00 AM Run Finish Time 1:21:00 PM 1:14:00 PM 1:05:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.2526 0.2526 0.2526 0.253 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.012 1.012 1.012 1.012 Barometric Pressure, inches of Mercury 29.591 29.575 29.479 29.548 Average Orifice Meter Differential, inches H2O 2.43 2.52 2.45 2.467 Dry Gas Meter Volume Sampled, cubic feet 204.591 209.002 206.373 206.655 Average Dry Gas Meter Temperature, °F 88.83 90.46 93.57 90.953 Dry Gas Meter Volume Sampled, dscf 198.187 201.797 197.466 199.150 Total Moisture Liquid collected, g 423.2 427.7 444.7 431.867 Volume of Water Vapor, standard cubic feet 19.92 20.13 20.93 20.327 Moisture Content of Stack Gas, % 9.13 9.07 9.58 9.260 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9087 0.9093 0.9042 0.907 Carbon Dioxide, % 11.59 11.3 11.59 11.493 Oxygen, % 7.95 8.26 7.87 8.027 Carbon Monoxide & Nitrogen, % 80.46 80.44 80.54 80.480 Fuel Factor 1.12 1.12 1.12 Dry Molecular Weight, lb/lb-Mole 30.17 30.14 30.17 30.160 Wet Molecular weight, lb/lb-Mole 29.06 29.04 29.00 29.033 Flue Gas Static Pressure, inches of H2O -1 -1 -1 -1.000 Absolute Flue Gas Pressure, inches of Mercury 29.52 29.50 29.41 29.477 Average Stack Gas Temperature, °F 367.52 373.33 363.88 368.243 Average Velocity Head, inches of H2O 0.9635779239 143330.994992366

443022 0.966644687

99299 0.975
Average Stack Gas Velocity, feet/second 69.23 70.65 69.39 69.757 Stack Cross-Sectional Area, square feet 196.000 196.000 196.000 196.000 Dry Volumetric Flow Rate, dry scfm 465,728.0 471,958.7 464,806.4467,497.700 Actual Wet Volumetric Flue Gas Flow Rate, acfm 814,144.8 830,844.0 816,026.4820,338.400 Percent Isokinetic of Sampling Rate, % 99.9 100.3 99.7 99.967 Percent Excess Air, % 59.8 63.7 58.8 60.767 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 84 84 84 Rectangular Duct Length, inches 336 336 336 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



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Location Duct - Method 3A CO2 Average Run Number 1 2 3 Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 10:35:00 AM 3:34:00 PM 2:18:00 PM Run Finish Time 2:24:00 PM 7:26:00 PM 5:54:00 PM Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Fuel Factor 1.12 1.13 1.12 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.64 9.21 9.72 9.523 Analyzer Make Servomex Servomex Servomex Analyzer Model 1400 1400 1400 1,400.000 Analyzer Serial Number E39823 E39823 E39823 Operating Range 18.74 18.74 18.74 18.740 Operating Units % % % No. Readings/Avg. 6 6 6 6.000 Calibration Set 4 5 6 5.000 Calibration Pre Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Pre Zero Cylinder Instrument Response 0.14 0.142 0.161 0.148 Calibration Pre Zero Cylinder Bias 0.12 0.13 -99.03 -32.927 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM020786ALM020786 ALM020786 Calibration Pre High Cylinder Instrument Response 9.661 9.729 9.69 9.693 Calibration Pre High Cylinder Bias -0.75 -0.39 -0.6 -0.580 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Post Zero Cylinder Instrument Response 0.142 0.137 0.142 0.140 Calibration Post Zero Cylinder Bias 0.13 0.11 -99.14 -32.967 Calibration Post Zero Cylinder Drift 0.01 0.05 0.109999999 999999 0.057
Calibration Post High Cylinder ID ALM020786ALM020786 ALM020786 Calibration Post High Cylinder Instrument Response 9.729 9.661 9.705 9.698 Calibration Post High Cylinder Bias -0.39 -0.75 -0.52 -0.553 Calibration Post High Cylinder Drift 0.39 0.36 0.08 0.277 Cavg 11.63 11.61 11.44 11.560 Cavg Units %vd %vd %vd Cgas 11.6886 11.668 11.4943 11.617 Cgas Units %vd %vd %vd 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



### Tuesday, February 15, 2011 Page 19 of 23

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Location Duct - Method 3A O2 Average Run Number 1 2 3 Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 12:10:00 PM 3:34:00 PM 2:18:00 PM Run Finish Time 2:20:00 PM 7:26:00 PM 5:54:00 PM Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Fuel Factor 1.12 0 1.12 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.64 9.21 9.72 9.523 Analyzer Make Servomex Servomex Servomex Analyzer Model 1400 1400 1400 1,400.000 Analyzer Serial Number E38903 E38903 E38903 Operating Range 21.1 21.1 21.1 21.100 Operating Units % % % No. Readings/Avg. 6 6 6 6.000 Calibration Set 1 2 3 2.000 Calibration Pre Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Pre Zero Cylinder Instrument Response 0.124 0.183 0.128 0.145 Calibration Pre Zero Cylinder Bias 0.04 0.32 0 0.120 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC180153 CC180153 CC180153 Calibration Pre High Cylinder Instrument Response 11.966 11.984 12.07 12.007 Calibration Pre High Cylinder Bias -0.43 -0.35 0 -0.260 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Post Zero Cylinder Instrument Response 0.183 0.311 0.189 0.228 Calibration Post Zero Cylinder Bias 0.32 0.92 0.29 0.510 Calibration Post Zero Cylinder Drift 0 0.6 0.29 0.297 Calibration Post High Cylinder ID CC180153 CC180153 CC180153 Calibration Post High Cylinder Instrument Response 11.984 11.917 11.941 11.947 Calibration Post High Cylinder Bias -0.35 -0.66 -0.61 -0.540 Calibration Post High Cylinder Drift 0.08 0.31 0.61 0.333 Cavg 7.83 7.72 8 7.850 Cavg Units %vd %vd %vd Cgas 7.7924 7.6623 7.9428 7.799 Cgas Units %vd %vd %vd 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



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Location Duct - Method 6C Average Run Number 1 2 3 Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 10:35:00 AM 3:34:00 PM 2:18:00 PM Run Finish Time 2:24:00 PM 7:26:00 PM 5:54:00 PM Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Fuel Factor 1.12 0 1.12 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.64 9.21 9.72 9.523 Analyzer Make Western Research Western

Research Western

Research Analyzer Model 921 921 921 921.000 Analyzer Serial Number E38969 E38969 E38969 Operating Range 594 594 594 594.000 Operating Units % % % No. Readings/Avg. 6 6 6 6.000 Calibration Set 7 8 9 8.000 Calibration Pre Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Pre Zero Cylinder Instrument Response 1 0.9 10.5 4.133 Calibration Pre Zero Cylinder Bias 0.1 4.18 -43.86 -13.193 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM015253ALM015253 ALM015253 Calibration Pre High Cylinder Instrument Response 242.1 236.6 231.1 236.600 Calibration Pre High Cylinder Bias -0.39 1210.23 1180.89 796.910 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Post Zero Cylinder Instrument Response 1.5 2.3 7.2 3.667 Calibration Post Zero Cylinder Bias 0.19 11.65 -61.47 -16.543 Calibration Post Zero Cylinder Drift 0.09 7.47 17.61 8.390 Calibration Post High Cylinder ID ALM015253ALM015253 ALM015253 Calibration Post High Cylinder Instrument Response 236.6 233.6 237.2 235.800 Calibration Post High Cylinder Bias -1.31 -1.82 1213.44 403.437 Calibration Post High Cylinder Drift 0.92 1212.05 32.55 415.173 Cavg 211.65 206.62 243.94 220.737 Cavg Units ppmvd ppmvd ppmvd Cgas 220.9156 219.5075 260.8633 233.762 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



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Location Duct - Method 7E Average Run Number 1 2 3 Test Date 6/5/2010 6/5/2010 6/6/2010 Run Start Time 10:35:00 AM 3:34:00 PM 2:18:00 PM Run Finish Time 2:24:00 PM 7:26:00 PM 5:54:00 PM Carbon Dioxide, % 11.69 11.67 11.49 11.617 Oxygen, % 7.8 7.67 7.99 7.820 Fuel Factor 1.12 1.13 1.12 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 9.64 9.21 9.72 9.523 Analyzer Make Thermo Thermo Thermo Analyzer Model 42iHL 42iHL 42iHL Analyzer Serial Number 05195117040519511704 0519511704519,511,704 .000 Operating Range 502 502 502 502.000 Operating Units % % % No. Readings/Avg. 6 6 6 6.000 Calibration Set 10 11 12 11.000 Calibration Pre Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Pre Zero Cylinder Instrument Response 0.15 0.1 0.1 0.117 Calibration Pre Zero Cylinder Bias 0.18 -0.16 0.04 0.020 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM045278ALM045278 ALM045278 Calibration Pre High Cylinder Instrument Response 216.1 215.7 216.4 216.067 Calibration Pre High Cylinder Bias 1100.84 -0.24 -57.23 347.790 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM047651ALM047651 ALM047651 Calibration Post Zero Cylinder Instrument Response 0.1 -0.3 1.6 0.467 Calibration Post Zero Cylinder Bias -0.09 -0.24 0.34 0.003 Calibration Post Zero Cylinder Drift 0.27 0.08 0.3 0.217 Calibration Post High Cylinder ID ALM045278ALM045278 ALM045278 Calibration Post High Cylinder Instrument Response 215.7 214.9 215.8 215.467 Calibration Post High Cylinder Bias -0.24 -0.4 -57.35 -19.330 Calibration Post High Cylinder Drift 1101.08 0.16 0.120000000 000005 367.120
Cavg 214.02 214.95 210.04 213.003 Cavg Units ppmvd ppmvd ppmvd Cgas 218.0832 219.6425 213.8063 217.177 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 pptvw



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Location Duct - OTM - 27/28 Average Run Number 1 2 3 Test Date 5/25/2010 5/26/2010 5/27/2010 Run Start Time 8:26:00 AM 8:15:00 AM 8:20:00 AM Run Finish Time 2:43:00 PM 2:43:00 PM 2:21:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 361.5 363 350.25 Nozzle Diameter, inches 0.156 0.156 0.156 0.156 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1 1 1 1.000 Barometric Pressure, inches of Mercury 29.591 29.575 29.479 29.548 Average Orifice Meter Differential, inches H2O 0.50 0.50 0.50 0.500 Dry Gas Meter Volume Sampled, cubic feet 136.899 138.756 132.970 136.208 Average Dry Gas Meter Temperature, °F 86.21 86.69 89.69 87.530 Dry Gas Meter Volume Sampled, dscf 131.042 132.632 125.998 129.891 Total Moisture Liquid collected, g 326.9 276.3 283.1 295.433 Volume of Water Vapor, standard cubic feet 15.39 13.01 13.33 13.910 Moisture Content of Stack Gas, % 10.51 8.93 9.57 9.670 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8949 0.9107 0.9043 0.903 Carbon Dioxide, % 11.59 11.3 11.59 11.493 Oxygen, % 7.95 8.26 7.87 8.027 Carbon Monoxide & Nitrogen, % 80.46 80.44 80.54 80.480 Fuel Factor 1.12 1.12 1.12 Dry Molecular Weight, lb/lb-Mole 30.17 30.14 30.17 30.160 Wet Molecular weight, lb/lb-Mole 28.89 29.06 29.01 28.987 Flue Gas Static Pressure, inches of H2O -1 -1 -1 -1.000 Absolute Flue Gas Pressure, inches of Mercury 29.52 29.50 29.41 29.477 Average Stack Gas Temperature, °F 367.54 373.21 364.00 368.250 Average Velocity Head, inches of H2O 0.9973147705 108651.006890058

42725 0.943052335

184729 0.982
Average Stack Gas Velocity, feet/second 70.64 71.04 68.53 70.070 Stack Cross-Sectional Area, square feet 196.000 196.000 196.000 196.000 Dry Volumetric Flow Rate, dry scfm 467,985.3 475,363.1 459,029.6467,459.333 Actual Wet Volumetric Flue Gas Flow Rate, acfm 830,726.4 835,430.4 805,912.8824,023.200 Percent Isokinetic of Sampling Rate, % 114.4 113.5 115.7 114.533 Percent Excess Air, % 59.8 63.7 58.8 60.767 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 84 84 84 Rectangular Duct Length, inches 336 336 336 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Tuesday, February 15, 2011 Page 23 of 23