### Name: Steve Strunk

Title: Specialist Air Permitting Compliance Company: Tennessee Valley Authority Sign Date: 9/7/2010 Name: Jim Diederich Title: System Engineer Perf. Evaluation Company: Tennessee Valley Authority Sign Date: 9/7/2010 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 Fossil Plant Unit 4
900 Colbert Steam Plant Road

Tuscumbia AL 35674 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 TN 37402 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 4, 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 / Description 10100202 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom (Bituminous Coal)

The following state and federal regulations that apply to the proposed testing:

Location Round

Duct Diam. Distance from upstream dist. Distance from

downstream dist. Number of

Traverse Ports Equiv. Diam Min.Travers Points Rect. Duct Length /Width
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 Filterable PM2.5 OTM - 27/28 3 240 0 Duct Total PM2.5 OTM - 27/28 3 240 0 Duct 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

Manganese Method 29 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. The required coal sampling will be performed in accordance with ASTM D2234-00 utilizing manual sampling practices found in ASTM D6609-08 “Standard Guide for Part-Stream Sampling of Coal”. The sampling device will comply with ASTM D 6883-04 section 7.6. The coal samples will be manually collected from one or more coal scale (s) or coal feeder(s) located between the coal bunker and coal pulverizer. A minimum of 35 primary increments will be collected per sample. These increments will be systematically spaced so that they are collected over the entire test period. While collecting samples at these locations is not specifically addressed by the ICR, it ensures that the coal being burned during testing and the coal being sampled are the same. One gross sample will be collected to represent the entire test period. All pollutants measured during the test period will be represented by the same gross sample. It is expected that the gross sample will weigh between 210 and 350 pounds of 2 X 0 size coal. The gross sample will be manually divided to approximately 40 pounds utilizing either “the cone and quarter technique” or the “alternate shovel method”. While not specifically identified, the “cone and quarter technique” is inferred in section 2.2 of the ICR ”Create a Composite Sample for Solid Fuels” steps 3-4 of Part III: EMMISSIONS TESTING. This technique is also illustrated in figure 4 of EPA 600//X-90/043 from February 1990. The “alternate shovel method” of manual division is described in ASTM D 346-04, section 10.3. TVA will not perform manual crushing of the material during this process. Nickel Method 29 3 240 0 Duct Filterable Particulate 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 Cobalt Method 29 3 240 0 Duct Chromium Method 29 3 240 0 Duct Beryllium Method 29 3 240 0 Duct Cadmium Method 29 3 240 0 Duct Selenium Method 29 3 240 0 Duct Co2 Method 3A CO2 3 240 0 Duct O2 Method 3A O2 3 240 0 Duct



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Sampling / Stack Data Results Summary



### Location Duct - Method 29 Average Run Number 1 2 3
Test Date 5/19/2010 5/20/2010 5/21/2010
Run Start Time 11:31:00 AM 9:17:00 AM 8:23:00 AM

Run Finish Time 4:42:00 PM 2:07:00 PM 1:18:00 PM Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 206.499 206.633 205.853 206.328 Moisture Content of Stack Gas, % 7.15 8.14 8.50 7.930 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 10.67 10.85 10.72 10.747 Oxygen, % 8.95 8.73 8.91 8.863 Average Stack Gas Temperature, °F 322.27 320.75 319.23 320.750 Dry Volumetric Flow Rate, dry scfm 481,132.6 477,211.9 467,997.2 475,447.233 Actual Wet Volumetric Flue Gas Flow Rate, acfm 781,569.6 783,098.4 767,928.0 777,532.000 Percent Isokinetic of Sampling Rate, % 98.7 99.3 100.8 99.600 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
Test Date Run Start Time
Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type
Fw
Fc



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Location Duct - Method 3A O2 Average Run Number
Test Date Run Start Time
Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type
Fw
Fc



### Location Duct - OTM - 27/28 Average Run Number
Test Date Run Start Time
Run Finish Time Net Run Time, minutes Dry Gas Meter Volume Sampled, dscf Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Carbon Dioxide, % Oxygen, % Average Stack Gas Temperature, °F Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % F-Factor, dscfm/MMBtu @ %O2
Fw
Fc



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Emissions Summary



### Location: Duct - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.00815 0.00183 0.0017 0.004 lb/mmBtuO2 1.49E-06 3.28E-07 3.10E-07 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00357 0.00483 0.00133 0.003 lb/mmBtuO2 6.52E-07 8.66E-07 2.43E-07 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00056 0.00081 0.00032 0.001 lb/mmBtuO2 1.02E-07 1.45E-07 5.84E-08 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.001263 0.0045 0.001063 0.002 lb/mmBtuO2 2.31E-07 8.06E-07 1.94E-07 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 1.08901 1.40901 0.1899 0.896 lb/mmBtuO2 1.99E-04 2.52E-04 3.47E-05 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.0109 0.0088 0.00138 0.007 lb/mmBtuO2 1.99E-06 1.58E-06 2.52E-07 0.000 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 82.1 103.9 19.8 68.600 lb/mmBtuO2 1.50E-02 1.86E-02 3.62E-03 0.012 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.00698 0.02678 0.00235 0.012 lb/mmBtuO2 1.27E-06 4.80E-06 4.29E-07 0.000 

### Compound: Manganese Average



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Process Run Data RunNumber 1 2 3 Mass_mg 0.2672 0.1687 0.0344 0.157 lb/mmBtuO2 4.88E-05 3.02E-05 6.28E-06 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 1.0247 1.1747 0.2497 0.816 lb/mmBtuO2 1.87E-04 2.11E-04 4.56E-05 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.1667 0.1231 0.0923 0.127 lb/mmBtuO2 3.04E-05 2.21E-05 1.69E-05 0.000



### Location: Duct - OTM - 27/28 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 156.95 116.95 79.35 117.750 lb/mmBtuO2 4.92E-02 3.39E-02 2.36E-02 0.036 

### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 35.95 33.55 19.35 29.617 lb/mmBtuO2 1.13E-02 9.74E-03 5.76E-03 0.009 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 89.6 52.2 56.6 66.133 lb/mmBtuO2 2.81E-02 1.52E-02 1.69E-02 0.020 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 0.5 0.5 1.2 0.733 lb/mmBtuO2 1.57E-04 1.45E-04 3.57E-04 0.000 

### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 126.1 86.25 77.15 96.500 lb/mmBtuO2 3.96E-02 2.50E-02 2.30E-02 0.029



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Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Heat Input 0 Million Btus/hr 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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Sampling / Stack Data Results Detail



### Location Duct - Method 29 Average Run Number 1 2 3 Test Date 5/19/2010 5/20/2010 5/21/2010 Run Start Time 11:31:00 AM 9:17:00 AM 8:23:00 AM Run Finish Time 4:42:00 PM 2:07:00 PM 1:18:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.2552 0.2555 0.2556 0.255 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 29.519 29.481 29.538 29.513 Average Orifice Meter Differential, inches H2O 2.60 2.61 2.52 2.577 Dry Gas Meter Volume Sampled, cubic feet 212.034 213.163 208.869 211.355 Average Dry Gas Meter Temperature, °F 84.81 86.67 78.60 83.360 Dry Gas Meter Volume Sampled, dscf 206.499 206.633 205.853 206.328 Total Moisture Liquid collected, g 337.579 388.9 406.4 377.626 Volume of Water Vapor, standard cubic feet 15.89 18.31 19.13 17.777 Moisture Content of Stack Gas, % 7.15 8.14 8.50 7.930 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9285 0.9186 0.915 0.921 Carbon Dioxide, % 10.67 10.85 10.72 10.747 Oxygen, % 8.95 8.73 8.91 8.863 Carbon Monoxide & Nitrogen, % 80.38 80.42 80.37 80.390 Fuel Factor 1.12 1.12 1.12 Dry Molecular Weight, lb/lb-Mole 30.07 30.09 30.07 30.077 Wet Molecular weight, lb/lb-Mole 29.21 29.11 29.04 29.120 Flue Gas Static Pressure, inches of H2O -1.8 -1.8 -1.8 -1.800 Absolute Flue Gas Pressure, inches of Mercury 29.39 29.35 29.41 29.383 Average Stack Gas Temperature, °F 322.27 320.75 319.23 320.750 Average Velocity Head, inches of H2O 0.9399514963 56113 0.940958738

413648 0.906403956

300504 0.929

Average Stack Gas Velocity, feet/second 66.46 66.59 65.30 66.117 Stack Cross-Sectional Area, square feet 196.000 196.000 196.000 196.000 Dry Volumetric Flow Rate, dry scfm 481,132.6 477,211.9 467,997.2 475,447.233 Actual Wet Volumetric Flue Gas Flow Rate, acfm 781,569.6 783,098.4 767,928.0 777,532.000 Percent Isokinetic of Sampling Rate, % 98.7 99.3 100.8 99.600 Percent Excess Air, % 72.9 69.8 72.4 71.700 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 10640 10,640.000 Fc 1800 1800 1800 1,800.000



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Location Duct - Method 3A CO2 Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



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Location Duct - Method 3A O2 Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



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Location Duct - OTM - 27/28 Average Run Number Test Date Run Start Time Run Finish Time Net Traversing Points Net Run Time, minutes Nozzle Diameter, inches Pitot Tube Coefficient Dry Gas Meter Calibration Factor Barometric Pressure, inches of Mercury Average Orifice Meter Differential, inches H2O Dry Gas Meter Volume Sampled, cubic feet Average Dry Gas Meter Temperature, °F Dry Gas Meter Volume Sampled, dscf Total Moisture Liquid collected, g Volume of Water Vapor, standard cubic feet Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Dry Mole Fraction Carbon Dioxide, % Oxygen, % Carbon Monoxide & Nitrogen, % Fuel Factor Dry Molecular Weight, lb/lb-Mole Wet Molecular weight, lb/lb-Mole Flue Gas Static Pressure, inches of H2O Absolute Flue Gas Pressure, inches of Mercury Average Stack Gas Temperature, °F Average Velocity Head, inches of H2O Average Stack Gas Velocity, feet/second Stack Cross-Sectional Area, square feet Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % Percent Excess Air, % F-Factor, dscfm/MMBtu @ %O2 Round Duct Diameter, inches Rectangular Duct Width, inches Rectangular Duct Length, inches Fw Fc



### Tuesday, February 15, 2011 Page 12 of 12