### 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:
Widows Creek Fossil Unit 7
2800 Steam Plant Road

Stevenson AL35772 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: 705-0008 Permitted Source ID/Name: Widows Creek Fossil Plant 50 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: Widows Creek Unit 7, located in Stevenson, AL is a coal fired utility boiler with a design rating of 500 MW. It is a tangentially fired Combustion Engineering dry bottom boiler burning high sulfur bituminous coal. The unit is equipped with low NOx burners and a selective catalyst reduction (SCR) system for NOx emissions control, an electrostatic precipitator and SBS injection for control of particulate emissions and a wet scrubber for control of SO2 emissions. Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:0107100008 FRS #:110000604944

SCC / Description10100212 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom (Tangential) (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 293.04 2918.6784 2376.5544 4 0 16 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location 2,3,7,8-TCDD Method 23 3 480 0 Stack 1,2,3,7,8-PeCDD Method 23 3 480 0 Stack 1,2,3,4,7,8-HxCDD Method 23 3 480 0 Stack 1,2,3,6,7,8-HxCDD Method 23 3 480 0 Stack 1,2,3,7,8,9-HxCDD Method 23 3 480 0 Stack 1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 Stack



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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

OCDD Method 23 3 480 0 Stack 2,3,7,8-TCDF Method 23 3 480 0 Stack 1,2,3,7,8-PeCDF Method 23 3 480 0 Stack 2,3,4,7,8-PeCDF Method 23 3 480 0 Stack 1,2,3,4,7,8-HxCDF Method 23 3 480 0 Stack 1,2,3,6,7,8-HxCDF Method 23 3 480 0 Stack 2,3,4,6,7,8-HxCDF Method 23 3 480 0 Stack 1,2,3,7,8,9-HxCDF Method 23 3 480 0 Stack 1,2,3,4,6,7,8-HpCDF Method 23 3 480 0 Stack 1,2,3,4,7,8,9-HpCDF Method 23 3 480 0 Stack OCDF Method 23 3 480 0 Stack Other TCDD Method 23 3 480 0 Stack Other PeCDD Method 23 3 480 0 Stack Other HxCDD Method 23 3 480 0 Stack Other HpCDD Method 23 3 480 0 Stack Other TCDF Method 23 3 480 0 Stack Other PeCDF Method 23 3 480 0 Stack Other HxCDF Method 23 3 480 0 Stack Other HpCDF Method 23 3 480 0 Stack Total Dioxins Method 23 3 480 0 Stack Total Furans Method 23 3 480 0 Stack 3,3',4,4'-TCB (PCB77) Method 23 3 480 0 Stack 3,4,4',5-TCB (PCB81) Method 23 3 480 0 Stack 2,3,3',4,4'-PeCB (PCB105) Method 23 3 480 0 Stack 2,3,4,4',5-PeCB (PCB114) Method 23 3 480 0 Stack 2,3',4,4',5-PeCB (PCB118) Method 23 3 480 0 Stack 2',3,4,4',5-PeCB (PCB123) Method 23 3 480 0 Stack 3,3',4,4',5-PeCB (PCB126) Method 23 3 480 0 Stack 2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157) Method 23 3 480 0 Stack

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

(PCB189) Method 23 3 480 0 Stack

Co2 Method 3A CO2 3 480 0 Stack O2 Method 3A O2 3 480 0 Stack



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division is described in ASTM D 346-04, section 10.3. TVA will not perform manual crushing of the material during this process.



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Sampling / Stack Data Results Summary



### LocationStack - Method 23 Average Run Number 1 2 3
Test Date 5/5/2010 5/6/2010 5/7/2010 Run Start Time 11:20:00 AM 8:31:00 AM8:31:00 AM

Run Finish Time 8:40:00 PM6:45:00 PM 7:57:00 PM Net Run Time, minutes 544 608 608 Dry Gas Meter Volume Sampled, dscf 288.080 313.654 324.250 308.661 Moisture Content of Stack Gas, % 13.34 13.58 16.08 14.333 Moisture Saturation at Stack Gas Temperature, % 47.96 47.80 46.62 47.460 Carbon Dioxide, % 11.17 11.37 11.25 11.263 Oxygen, % 8.12 7.92 8.08 8.040 Average Stack Gas Temperature, °F 175.97 175.81 174.72 175.500 Dry Volumetric Flow Rate, dry scfm 1,258,441.51,279,333.7 1,281,876.11,273,217.10 0 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,799,634.11,834,761.3 1,889,278.61,841,224.66 7 Percent Isokinetic of Sampling Rate, % 100.6 98.2 99.5 99.433 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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LocationStack - Method 23 3 Average Run Number 4
Test Date 5/12/2010 Run Start Time 8:45:00 AM
Run Finish Time 7:43:00 PM Net Run Time, minutes 608 Dry Gas Meter Volume Sampled, dscf 328.642 328.642 Moisture Content of Stack Gas, % 14.61 14.610 Moisture Saturation at Stack Gas Temperature, % 46.66 46.660 Carbon Dioxide, % 11.25 11.250 Oxygen, % 8.05 8.050 Average Stack Gas Temperature, °F 175.03 175.030 Dry Volumetric Flow Rate, dry scfm 1,264,545.2 1,264,545.20 0 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,821,272.5 1,821,272.50 0 Percent Isokinetic of Sampling Rate, % 104.1 104.100 F-Factor, dscfm/MMBtu @ %O2 9780 9,780.000
Fw 10640 10,640.000
Fc 1800 1,800.000



### LocationStack - Method 3A CO2 Average Run Number 1 2 3
Test Date 5/5/2010 5/6/2010 5/7/2010 Run Start Time 11:25:00 AM 8:31:00 AM8:31:00 AM

Run Finish Time 8:40:00 PM6:45:00 PM 7:57:00 PM Carbon Dioxide, % 11.17 11.37 11.25 11.263 Oxygen, % 8.12 7.92 8.08 8.040 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, % 13.34 13.58 16.08 14.333 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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LocationStack - Method 3A CO2 3 Average Run Number 4
Test Date 5/12/2010 Run Start Time 8:45:00 AM
Run Finish Time 7:43:00 PM Carbon Dioxide, % 11.25 11.250 Oxygen, % 8.05 8.050 Dry Volumetric Flow Rate, dry scfm 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9,780.000 Moisture, % 14.61 14.610 Fuel Type Coal - Bituminous
Fw 10640 10,640.000
Fc 1800 1,800.000



### LocationStack - Method 3A O2 Average Run Number 1 2 3
Test Date 5/5/2010 5/6/2010 5/7/2010 Run Start Time 11:25:00 AM 8:31:00 AM 8:31:00 AM

Run Finish Time 8:40:00 PM6:45:00 PM 7:57:00 PM Carbon Dioxide, % 11.17 11.37 11.25 11.263 Oxygen, % 8.12 7.92 8.08 8.040 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, % 13.34 13.58 16.08 14.333 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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LocationStack - Method 3A O2 3 Average Run Number 4
Test Date 5/12/2010 Run Start Time 8:45:00 AM
Run Finish Time 7:43:00 PM Carbon Dioxide, % 11.25 11.250 Oxygen, % 8.05 8.050 Dry Volumetric Flow Rate, dry scfm 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9,780.000 Moisture, % 14.61 14.610 Fuel Type Coal - Bituminous
Fw 10640 10,640.000
Fc 1800 1,800.000



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Emissions Summary



### Location: Stack - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000167 0.0000000186 0.0000000077 0.000 lb/mmBtuO2 2.04E-12 2.06E-12 8.35E-13 0.000 ng/dscm 2.05E-03 2.09E-03 8.39E-04 0.002 ng/dscm@7%O2 2.23E-03 2.24E-03 9.10E-04 0.002 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000067 0.000000005 0.0000000047 0.000 lb/mmBtuO2 8.20E-13 5.53E-13 5.10E-13 0.000 ng/dscm 8.21E-04 5.63E-04 5.12E-04 0.001 ng/dscm@7%O2 8.93E-04 6.03E-04 5.55E-04 0.001 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000086 0.0000000065 0.0000000062 0.000 lb/mmBtuO2 1.05E-12 7.19E-13 6.72E-13 0.000 ng/dscm 1.05E-03 7.32E-04 6.75E-04 0.001 ng/dscm@7%O2 1.14E-03 7.84E-04 7.32E-04 0.001 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000446 0.0000000057 0.0000000052 0.000 lb/mmBtuO2 5.46E-13 6.31E-13 5.64E-13 0.000 ng/dscm 5.47E-04 6.42E-04 5.66E-04 0.001 ng/dscm@7%O2 5.95E-04 6.88E-04 6.14E-04 0.001 

### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000273 0.0000000033 0.0000000032 0.000 lb/mmBtuO2 3.34E-13 3.65E-13 3.47E-13 0.000 ng/dscm 3.35E-04 3.72E-04 3.49E-04 0.000 ng/dscm@7%O2 3.64E-04 3.98E-04 3.78E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000423 0.0000000056 0.0000000051 0.000 lb/mmBtuO2 5.18E-13 6.20E-13 5.53E-13 0.000 ng/dscm 5.19E-04 6.31E-04 5.56E-04 0.001 ng/dscm@7%O2 5.64E-04 6.76E-04 6.03E-04 0.001 

### Compound: 1,2,3,6,7,8-HxCDF Average



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RunNumber 1 2 3 Mass_mg 0.00000000245 0.000000003 0.0000000028 0.000 lb/mmBtuO2 3.00E-13 3.32E-13 3.04E-13 0.000 ng/dscm 3.00E-04 3.38E-04 3.05E-04 0.000 ng/dscm@7%O2 3.26E-04 3.62E-04 3.31E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000435 0.0000000057 0.0000000051 0.000 lb/mmBtuO2 5.32E-13 6.31E-13 5.53E-13 0.000 ng/dscm 5.33E-04 6.42E-04 5.56E-04 0.001 ng/dscm@7%O2 5.80E-04 6.88E-04 6.03E-04 0.001 

### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000299 0.0000000036 0.0000000034 0.000 lb/mmBtuO2 3.66E-13 3.98E-13 3.69E-13 0.000 ng/dscm 3.67E-04 4.05E-04 3.70E-04 0.000 ng/dscm@7%O2 3.99E-04 4.34E-04 4.01E-04 0.000 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 1 2 3 Mass_mg 0.0000000054 0.0000000069 0.000000007 0.000 lb/mmBtuO2 6.61E-13 7.64E-13 7.59E-13 0.000 ng/dscm 6.62E-04 7.77E-04 7.62E-04 0.001 ng/dscm@7%O2 7.20E-04 8.32E-04 8.26E-04 0.001 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000046 0.000000006 0.000000006 0.000 lb/mmBtuO2 5.63E-13 6.64E-13 6.50E-13 0.000 ng/dscm 5.64E-04 6.76E-04 6.54E-04 0.001 ng/dscm@7%O2 6.13E-04 7.24E-04 7.09E-04 0.001 

### Compound: 2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 1 2 3 Mass_mg 0.000000018 0.0000000222 0.0000000195 0.000 lb/mmBtuO2 2.20E-12 2.46E-12 2.11E-12 0.000 ng/dscm 2.21E-03 2.50E-03 2.12E-03 0.002 ng/dscm@7%O2 2.40E-03 2.68E-03 2.30E-03 0.002 

### Compound: 2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 1 2 3 Mass_mg 0.0000000934 0.000000081 0.000000063 0.000 lb/mmBtuO2 1.14E-11 8.97E-12 6.83E-12 0.000 ng/dscm 1.15E-02 9.12E-03 6.86E-03 0.009 ng/dscm@7%O2 1.25E-02 9.77E-03 7.44E-03 0.010



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Compound: 2,3,3',4,4'-PeCB (PCB105) Average RunNumber 1 2 3 Mass_mg 0.000000331 0.0000002467 0.000000204 0.000 lb/mmBtuO2 4.05E-11 2.73E-11 2.21E-11 0.000 ng/dscm 4.06E-02 2.78E-02 2.22E-02 0.030 ng/dscm@7%O2 4.42E-02 2.98E-02 2.41E-02 0.033 

### Compound: 2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 1 2 3 Mass_mg 0.0000000377 0.0000000308 0.0000000125 0.000 lb/mmBtuO2 4.61E-12 3.41E-12 1.36E-12 0.000 ng/dscm 4.62E-03 3.47E-03 1.36E-03 0.003 ng/dscm@7%O2 5.02E-03 3.72E-03 1.47E-03 0.003 

### Compound: 2,3,4,4',5-PeCB (PCB114) Average RunNumber 1 2 3 Mass_mg 0.0000000264 0.0000000216 0.0000000265 0.000 lb/mmBtuO2 3.23E-12 2.39E-12 2.87E-12 0.000 ng/dscm 3.24E-03 2.43E-03 2.89E-03 0.003 ng/dscm@7%O2 3.52E-03 2.60E-03 3.13E-03 0.003 

### Compound: 2,3',4,4',5-PeCB (PCB118) Average RunNumber 1 2 3 Mass_mg 0.00000096 0.000000697 0.000000606 0.000 lb/mmBtuO2 1.18E-10 7.71E-11 6.57E-11 0.000 ng/dscm 1.18E-01 7.85E-02 6.60E-02 0.088 ng/dscm@7%O2 1.28E-01 8.41E-02 7.16E-02 0.095 

### Compound: 2',3,4,4',5-PeCB (PCB123) Average RunNumber 1 2 3 Mass_mg 0.0000000179 0.000000025 0.0000000278 0.000 lb/mmBtuO2 2.19E-12 2.77E-12 3.01E-12 0.000 ng/dscm 2.19E-03 2.82E-03 3.03E-03 0.003 ng/dscm@7%O2 2.38E-03 3.02E-03 3.29E-03 0.003 

### Compound: 2,3,4,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000259 0.0000000031 0.000000003 0.000 lb/mmBtuO2 3.17E-13 3.43E-13 3.25E-13 0.000 ng/dscm 3.18E-04 3.49E-04 3.27E-04 0.000 ng/dscm@7%O2 3.46E-04 3.74E-04 3.55E-04 0.000 

### Compound: 2,3,4,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000047 0.0000000061 0.0000000061 0.000 lb/mmBtuO2 5.75E-13 6.75E-13 6.61E-13 0.000



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### 9/30/2010 ng/dscm 5.76E-04 6.87E-04 6.64E-04 0.001 ng/dscm@7%O2 6.26E-04 7.36E-04 7.20E-04 0.001 

### Compound: 2,3,7,8-TCDD Average RunNumber 1 2 3 Mass_mg 0.0000000111 0.0000000141 0.0000000161 0.000 lb/mmBtuO2 1.36E-12 1.56E-12 1.75E-12 0.000 ng/dscm 1.36E-03 1.59E-03 1.75E-03 0.002 ng/dscm@7%O2 1.48E-03 1.70E-03 1.90E-03 0.002 

### Compound: 2,3,7,8-TCDF Average RunNumber 1 2 3 Mass_mg 0.0000000066 0.0000000085 0.0000000097 0.000 lb/mmBtuO2 8.08E-13 9.41E-13 1.05E-12 0.000 ng/dscm 8.09E-04 9.57E-04 1.06E-03 0.001 ng/dscm@7%O2 8.80E-04 1.02E-03 1.15E-03 0.001 

### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 1 2 3 Mass_mg 0.0000000196 0.0000000249 0.0000000236 0.000 lb/mmBtuO2 2.40E-12 2.76E-12 2.56E-12 0.000 ng/dscm 2.40E-03 2.80E-03 2.57E-03 0.003 ng/dscm@7%O2 2.61E-03 3.00E-03 2.79E-03 0.003 

### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 1 2 3 Mass_mg 0.000000017 0.0000000241 0.0000000225 0.000 lb/mmBtuO2 2.08E-12 2.67E-12 2.44E-12 0.000 ng/dscm 2.08E-03 2.71E-03 2.45E-03 0.002 ng/dscm@7%O2 2.26E-03 2.90E-03 2.66E-03 0.003 

### Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 1 2 3 Mass_mg 0.0000000376 0.0000000341 0.000000033 0.000 lb/mmBtuO2 4.60E-12 3.77E-12 3.58E-12 0.000 ng/dscm 4.61E-03 3.84E-03 3.59E-03 0.004 ng/dscm@7%O2 5.01E-03 4.11E-03 3.89E-03 0.004 

### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 1 2 3 Mass_mg 0.0000000191 0.0000000297 0.0000000293 0.000 lb/mmBtuO2 2.34E-12 3.29E-12 3.18E-12 0.000 ng/dscm 2.34E-03 3.34E-03 3.19E-03 0.003 ng/dscm@7%O2 2.55E-03 3.58E-03 3.46E-03 0.003 

### Compound: OCDD Average RunNumber 1 2 3



### Tuesday, February 15, 2011 Page 13 of 27

### 9/30/2010 Mass_mg 0.0000000645 0.000000075 0.0000000198 0.000 lb/mmBtuO2 7.89E-12 8.30E-12 2.15E-12 0.000 ng/dscm 7.91E-03 8.45E-03 2.16E-03 0.006 ng/dscm@7%O2 8.60E-03 9.05E-03 2.34E-03 0.007 

### Compound: OCDF Average RunNumber 1 2 3 Mass_mg 0.0000000072 0.0000000086 0.0000000074 0.000 lb/mmBtuO2 8.81E-13 9.52E-13 8.02E-13 0.000 ng/dscm 8.83E-04 9.68E-04 8.06E-04 0.001 ng/dscm@7%O2 9.60E-04 1.04E-03 8.74E-04 0.001 

### Compound: Other HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000087 0.0000000156 0.0000000077 0.000 lb/mmBtuO2 1.06E-12 1.73E-12 8.35E-13 0.000 ng/dscm 1.07E-03 1.76E-03 8.39E-04 0.001 ng/dscm@7%O2 1.16E-03 1.88E-03 9.10E-04 0.001 

### Compound: Other HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000075 0.0000000057 0.0000000054 0.000 lb/mmBtuO2 9.18E-13 6.31E-13 5.85E-13 0.000 ng/dscm 9.20E-04 6.42E-04 5.88E-04 0.001 ng/dscm@7%O2 1.00E-03 6.88E-04 6.38E-04 0.001 

### Compound: Other HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000084 0.0000000123 0.0000000139 0.000 lb/mmBtuO2 1.03E-12 1.36E-12 1.51E-12 0.000 ng/dscm 1.03E-03 1.39E-03 1.51E-03 0.001 ng/dscm@7%O2 1.12E-03 1.49E-03 1.64E-03 0.001 

### Compound: Other HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000053 0.0000000072 0.0000000076 0.000 lb/mmBtuO2 6.49E-13 7.97E-13 8.24E-13 0.000 ng/dscm 6.50E-04 8.11E-04 8.28E-04 0.001 ng/dscm@7%O2 7.07E-04 8.68E-04 8.98E-04 0.001 

### Compound: Other PeCDD Average RunNumber 1 2 3 Mass_mg 0.0000000071 0.0000000079 0.0000000067 0.000 lb/mmBtuO2 8.69E-13 8.74E-13 7.26E-13 0.000 ng/dscm 8.70E-04 8.90E-04 7.30E-04 0.001 ng/dscm@7%O2 9.46E-04 9.53E-04 7.91E-04 0.001



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### 9/30/2010

Compound: Other PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000064 0.0000000074 0.000000009 0.000 lb/mmBtuO2 7.83E-13 8.19E-13 9.76E-13 0.000 ng/dscm 7.85E-04 8.33E-04 9.80E-04 0.001 ng/dscm@7%O2 8.54E-04 8.92E-04 1.06E-03 0.001 

### Compound: Other TCDD Average RunNumber 1 2 3 Mass_mg 0.0000000112 0.0000000144 0.0000000249 0.000 lb/mmBtuO2 1.37E-12 1.59E-12 2.70E-12 0.000 ng/dscm 1.37E-03 1.62E-03 2.71E-03 0.002 ng/dscm@7%O2 1.49E-03 1.73E-03 2.94E-03 0.002 

### Compound: Other TCDF Average RunNumber 1 2 3 Mass_mg 0.0000000066 0.0000000194 0.0000000089 0.000 lb/mmBtuO2 8.08E-13 2.15E-12 9.65E-13 0.000 ng/dscm 8.09E-04 2.18E-03 9.69E-04 0.001 ng/dscm@7%O2 8.80E-04 2.33E-03 1.05E-03 0.001 

### Compound: Total Dioxins Average RunNumber 1 2 3 Mass_mg 0.0000000504 0.0000000652 0.0000000515 0.000 lb/mmBtuO2 6.17E-12 7.22E-12 5.58E-12 0.000 ng/dscm 6.18E-03 7.34E-03 5.61E-03 0.006 ng/dscm@7%O2 6.72E-03 7.86E-03 6.08E-03 0.007 

### Compound: Total Furans Average RunNumber 1 2 3 Mass_mg 0.0000000258 0.0000000397 0.0000000309 0.000 lb/mmBtuO2 3.16E-12 4.39E-12 3.35E-12 0.000 ng/dscm 3.16E-03 4.47E-03 3.37E-03 0.004 ng/dscm@7%O2 3.44E-03 4.79E-03 3.65E-03 0.004



### Location: Stack - Method 23 3 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 4 Mass_mg 0.0000000085 0.000 lb/mmBtuO2 9.07E-13 0.000 ng/dscm 9.14E-04 0.001 ng/dscm@7%O2 9.89E-04 0.001 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 4 Mass_mg 0.000000005 0.000



### Tuesday, February 15, 2011 Page 15 of 27

### 9/30/2010
lb/mmBtuO2 5.34E-13 0.000 ng/dscm 5.37E-04 0.001 ng/dscm@7%O2 5.81E-04 0.001 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 4 Mass_mg 0.0000000064 0.000 lb/mmBtuO2 6.83E-13 0.000 ng/dscm 6.88E-04 0.001 ng/dscm@7%O2 7.44E-04 0.001 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 4 Mass_mg 0.0000000047 0.000 lb/mmBtuO2 5.02E-13 0.000 ng/dscm 5.05E-04 0.001 ng/dscm@7%O2 5.46E-04 0.001 

### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 4 Mass_mg 0.0000000035 0.000 lb/mmBtuO2 3.73E-13 0.000 ng/dscm 3.76E-04 0.000 ng/dscm@7%O2 4.07E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDD Average RunNumber 4 Mass_mg 0.0000000046 0.000 lb/mmBtuO2 4.91E-13 0.000 ng/dscm 4.94E-04 0.000 ng/dscm@7%O2 5.34E-04 0.001 

### Compound: 1,2,3,6,7,8-HxCDF Average RunNumber 4 Mass_mg 0.0000000031 0.000 lb/mmBtuO2 3.31E-13 0.000 ng/dscm 3.33E-04 0.000 ng/dscm@7%O2 3.60E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 4 Mass_mg 0.0000000047 0.000 lb/mmBtuO2 5.02E-13 0.000 ng/dscm 5.05E-04 0.001 ng/dscm@7%O2 5.46E-04 0.001 

### Compound: 1,2,3,7,8,9-HxCDF Average



### Tuesday, February 15, 2011 Page 16 of 27

### 9/30/2010
RunNumber 4 Mass_mg 0.0000000037 0.000 lb/mmBtuO2 3.95E-13 0.000 ng/dscm 3.98E-04 0.000 ng/dscm@7%O2 4.31E-04 0.000 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 4 Mass_mg 0.000000007 0.000 lb/mmBtuO2 7.47E-13 0.000 ng/dscm 7.52E-04 0.001 ng/dscm@7%O2 8.13E-04 0.001 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 4 Mass_mg 0.0000000062 0.000 lb/mmBtuO2 6.62E-13 0.000 ng/dscm 6.66E-04 0.001 ng/dscm@7%O2 7.20E-04 0.001 

### Compound: 2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 4 Mass_mg 0.0000000211 0.000 lb/mmBtuO2 2.25E-12 0.000 ng/dscm 2.27E-03 0.002 ng/dscm@7%O2 2.46E-03 0.002 

### Compound: 2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 4 Mass_mg 0.000000046 0.000 lb/mmBtuO2 4.91E-12 0.000 ng/dscm 4.94E-03 0.005 ng/dscm@7%O2 5.34E-03 0.005 

### Compound: 2,3,3',4,4'-PeCB (PCB105) Average RunNumber 4 Mass_mg 0.000000177 0.000 lb/mmBtuO2 1.89E-11 0.000 ng/dscm 1.90E-02 0.019 ng/dscm@7%O2 2.06E-02 0.021 

### Compound: 2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 4 Mass_mg 0.0000000227 0.000 lb/mmBtuO2 2.42E-12 0.000 ng/dscm 2.44E-03 0.002 ng/dscm@7%O2 2.64E-03 0.003



### Tuesday, February 15, 2011 Page 17 of 27

### 9/30/2010

Compound: 2,3,4,4',5-PeCB (PCB114) Average RunNumber 4 Mass_mg 0.0000000225 0.000 lb/mmBtuO2 2.40E-12 0.000 ng/dscm 2.42E-03 0.002 ng/dscm@7%O2 2.62E-03 0.003 

### Compound: 2,3',4,4',5-PeCB (PCB118) Average RunNumber 4 Mass_mg 0.000000623 0.000 lb/mmBtuO2 6.65E-11 0.000 ng/dscm 6.70E-02 0.067 ng/dscm@7%O2 7.25E-02 0.073 

### Compound: 2',3,4,4',5-PeCB (PCB123) Average RunNumber 4 Mass_mg 0.0000000251 0.000 lb/mmBtuO2 2.68E-12 0.000 ng/dscm 2.70E-03 0.003 ng/dscm@7%O2 2.92E-03 0.003 

### Compound: 2,3,4,6,7,8-HxCDF Average RunNumber 4 Mass_mg 0.0000000032 0.000 lb/mmBtuO2 3.41E-13 0.000 ng/dscm 3.44E-04 0.000 ng/dscm@7%O2 3.72E-04 0.000 

### Compound: 2,3,4,7,8-PeCDF Average RunNumber 4 Mass_mg 0.0000000064 0.000 lb/mmBtuO2 6.83E-13 0.000 ng/dscm 6.88E-04 0.001 ng/dscm@7%O2 7.44E-04 0.001 

### Compound: 2,3,7,8-TCDD Average RunNumber 4 Mass_mg 0.0000000181 0.000 lb/mmBtuO2 1.93E-12 0.000 ng/dscm 1.95E-03 0.002 ng/dscm@7%O2 2.11E-03 0.002 

### Compound: 2,3,7,8-TCDF Average RunNumber 4 Mass_mg 0.0000000105 0.000 lb/mmBtuO2 1.12E-12 0.000



### Tuesday, February 15, 2011 Page 18 of 27

### 9/30/2010 ng/dscm 1.13E-03 0.001 ng/dscm@7%O2 1.22E-03 0.001 

### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 4 Mass_mg 0.0000000226 0.000 lb/mmBtuO2 2.41E-12 0.000 ng/dscm 2.43E-03 0.002 ng/dscm@7%O2 2.63E-03 0.003 

### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 4 Mass_mg 0.0000000231 0.000 lb/mmBtuO2 2.46E-12 0.000 ng/dscm 2.48E-03 0.002 ng/dscm@7%O2 2.68E-03 0.003 

### Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 4 Mass_mg 0.0000000278 0.000 lb/mmBtuO2 2.97E-12 0.000 ng/dscm 2.99E-03 0.003 ng/dscm@7%O2 3.23E-03 0.003 

### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 4 Mass_mg 0.0000000277 0.000 lb/mmBtuO2 2.96E-12 0.000 ng/dscm 2.98E-03 0.003 ng/dscm@7%O2 3.22E-03 0.003 

### Compound: OCDD Average RunNumber 4 Mass_mg 0.0000000053 0.000 lb/mmBtuO2 5.66E-13 0.000 ng/dscm 5.70E-04 0.001 ng/dscm@7%O2 6.17E-04 0.001 

### Compound: OCDF Average RunNumber 4 Mass_mg 0.0000000082 0.000 lb/mmBtuO2 8.75E-13 0.000 ng/dscm 8.81E-04 0.001 ng/dscm@7%O2 9.53E-04 0.001 

### Compound: Total Dioxins Average RunNumber 4



### Tuesday, February 15, 2011 Page 19 of 27

### 9/30/2010 Mass_mg 0.000000051 0.000 lb/mmBtuO2 5.44E-12 0.000 ng/dscm 5.48E-03 0.005 ng/dscm@7%O2 5.93E-03 0.006 

### Compound: Total Furans Average RunNumber 4 Mass_mg 0.0000000349 0.000 lb/mmBtuO2 3.72E-12 0.000 ng/dscm 3.75E-03 0.004 ng/dscm@7%O2 4.06E-03 0.004



### Location: Stack - Method 23 3 

### Compound: Other HpCDD Average RunNumber 4 Mass_mg 0.0000000085 0.000 lb/mmBtuO2 9.07E-13 0.000 ng/dscm 9.14E-04 0.001 ng/dscm@7%O2 9.89E-04 0.001 

### Compound: Other HpCDF Average RunNumber 4 Mass_mg 0.0000000055 0.000 lb/mmBtuO2 5.87E-13 0.000 ng/dscm 5.91E-04 0.001 ng/dscm@7%O2 6.39E-04 0.001 

### Compound: Other HxCDD Average RunNumber 4 Mass_mg 0.000000016 0.000 lb/mmBtuO2 1.71E-12 0.000 ng/dscm 1.72E-03 0.002 ng/dscm@7%O2 1.86E-03 0.002 

### Compound: Other HxCDF Average RunNumber 4 Mass_mg 0.0000000075 0.000 lb/mmBtuO2 8.00E-13 0.000 ng/dscm 8.06E-04 0.001 ng/dscm@7%O2 8.72E-04 0.001 

### Compound: Other PeCDD Average RunNumber 4 Mass_mg 0.0000000084 0.000 lb/mmBtuO2 8.96E-13 0.000 ng/dscm 9.03E-04 0.001 ng/dscm@7%O2 9.77E-04 0.001



### Tuesday, February 15, 2011 Page 20 of 27

### 9/30/2010

Process Run Data Compound: Other PeCDF Average RunNumber 4 Mass_mg 0.0000000114 0.000 lb/mmBtuO2 1.22E-12 0.000 ng/dscm 1.23E-03 0.001 ng/dscm@7%O2 1.33E-03 0.001 

### Compound: Other TCDD Average RunNumber 4 Mass_mg 0.0000000181 0.000 lb/mmBtuO2 1.93E-12 0.000 ng/dscm 1.95E-03 0.002 ng/dscm@7%O2 2.11E-03 0.002 

### Compound: Other TCDF Average RunNumber 4 Mass_mg 0.0000000105 0.000 lb/mmBtuO2 1.12E-12 0.000 ng/dscm 1.13E-03 0.001 ng/dscm@7%O2 1.22E-03 0.001



### Tuesday, February 15, 2011 Page 21 of 27

### 9/30/2010

Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Heat Input 4243.8Million Btus/hr M23 Run 1 0


### 1 Gross Electric Generation 452.5 MW 0
1 Steam Output 3078.2 Klb/Hr 0
2 Heat Input 4354.2Million Btus/hr M23 Run 2 0


### 2 Gross Electric Generation 465.7 MW 0
2 Steam Output 3222.2 Klb/Hr 0
3 Heat Input 4291.4Million Btus/hr M23 Run 3 0


### 3 Gross Electric Generation 466.9 MW 0
3 Steam Output 3205.1 Klb/Hr 0
4 Heat Input 4241.1Million Btus/hr M23 Run 4 0


### 4 Gross Electric Generation 463.9 MW 0
4 Steam Output 3178.3 Klb/Hr 0

Run Name Value UOM Comments Target Value 

### 1 LOW NOX BURNERS 0 0
1 SCR (SELECTIVE CATALYTIC REDUCTION) 0 0
1 SCRUBBER 0 0


### 1 DRY SORBENT INJECTION 0 0

Tuesday, February 15, 2011 Page 22 of 27

### 9/30/2010

Sampling / Stack Data Results Detail



### LocationStack - Method 23 Average Run Number 1 2 3 Test Date 5/5/2010 5/6/2010 5/7/2010 Run Start Time 11:20:00 AM8:31:00 AM8:31:00 AM Run Finish Time 8:40:00 PM6:45:00 PM 7:57:00 PM Net Traversing Points 32 32 32 Net Run Time, minutes 544 608 608 Nozzle Diameter, inches 0.1895 0.1878 0.1895 0.189 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.001 1.001 1.001 1.001 Barometric Pressure, inches of Mercury 29.07 29.064 29.07 29.068 Average Orifice Meter Differential, inches H2O 1.01 0.98 1.04 1.010 Dry Gas Meter Volume Sampled, cubic feet 307.763 335.940 344.256 329.320 Average Dry Gas Meter Temperature, °F 90.00 91.25 86.63 89.293 Dry Gas Meter Volume Sampled, dscf 288.080 313.654 324.250 308.661 Total Moisture Liquid collected, g 941.9 1046.7 1320.41,103.000 Volume of Water Vapor, standard cubic feet 44.34 49.27 62.15 51.920 Moisture Content of Stack Gas, % 13.34 13.58 16.08 14.333 Moisture Saturation at Stack Gas Temperature, % 47.96 47.80 46.62 47.460 Dry Mole Fraction 0.8666 0.8642 0.8392 0.857 Carbon Dioxide, % 11.17 11.37 11.25 11.263 Oxygen, % 8.12 7.92 8.08 8.040 Carbon Monoxide & Nitrogen, % 80.71 80.71 80.67 80.697 Fuel Factor 1.14 1.14 1.14 Dry Molecular Weight, lb/lb-Mole 30.11 30.14 30.12 30.123 Wet Molecular weight, lb/lb-Mole 28.49 28.49 28.17 28.383 Flue Gas Static Pressure, inches of H2O 0.2 0.1 0.2 0.167 Absolute Flue Gas Pressure, inches of Mercury 29.08 29.07 29.08 29.077 Average Stack Gas Temperature, °F 175.97 175.81 174.72 175.500 Average Velocity Head, inches of H2O 1.0360841625 20181.076701348

737761.131057821

05889 1.081

Average Stack Gas Velocity, feet/second 64.04 65.29 67.23 65.520 Stack Cross-Sectional Area, square feet 468.362 468.362 468.362 468.362 Dry Volumetric Flow Rate, dry scfm 1,258,441.51,279,333.7 1,281,876.11,273,217.1 00 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,799,634.11,834,761.3 1,889,278.61,841,224.6 67 Percent Isokinetic of Sampling Rate, % 100.6 98.2 99.5 99.433 Percent Excess Air, % 61.6 59.2 61.1 60.633 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 293.04 293.04 293.04 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 10640 10640 1064010,640.000 Fc 1800 1800 18001,800.000



### Tuesday, February 15, 2011 Page 23 of 27

### 9/30/2010

LocationStack - Method 23 3 Average Run Number 4 Test Date 5/12/2010 Run Start Time 8:45:00 AM Run Finish Time 7:43:00 PM Net Traversing Points 32 Net Run Time, minutes 608 Nozzle Diameter, inches 0.1878 0.188 Pitot Tube Coefficient 0.84 0.840 Dry Gas Meter Calibration Factor 1.001 1.001 Barometric Pressure, inches of Mercury 29.244 29.244 Average Orifice Meter Differential, inches H2O 1.02 1.020 Dry Gas Meter Volume Sampled, cubic feet 347.043 347.043 Average Dry Gas Meter Temperature, °F 86.91 86.910 Dry Gas Meter Volume Sampled, dscf 328.642 328.642 Total Moisture Liquid collected, g 1195 1,195.000 Volume of Water Vapor, standard cubic feet 56.25 56.250 Moisture Content of Stack Gas, % 14.61 14.610 Moisture Saturation at Stack Gas Temperature, % 46.66 46.660 Dry Mole Fraction 0.8539 0.854 Carbon Dioxide, % 11.25 11.250 Oxygen, % 8.05 8.050 Carbon Monoxide & Nitrogen, % 80.7 80.700 Fuel Factor 1.14 Dry Molecular Weight, lb/lb-Mole 30.12 30.120 Wet Molecular weight, lb/lb-Mole 28.35 28.350 Flue Gas Static Pressure, inches of H2O 0.2 0.200 Absolute Flue Gas Pressure, inches of Mercury 29.26 29.260 Average Stack Gas Temperature, °F 175.03 175.030 Average Velocity Head, inches of H2O 1.0638694014 1419 1.064

Average Stack Gas Velocity, feet/second 64.81 64.810 Stack Cross-Sectional Area, square feet 468.362 468.362 Dry Volumetric Flow Rate, dry scfm 1,264,545.2 1,264,545.2 00 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,821,272.5 1,821,272.5 00 Percent Isokinetic of Sampling Rate, % 104.1 104.100 Percent Excess Air, % 60.7 60.700 F-Factor, dscfm/MMBtu @ %O2 9780 9,780.000 Round Duct Diameter, inches 293.04 Rectangular Duct Width, inches 0 Rectangular Duct Length, inches 0 Fw 10640 10,640.000 Fc 1800 1,800.000



### Tuesday, February 15, 2011 Page 24 of 27

### 9/30/2010

LocationStack - Method 3A CO2 Average Run Number 1 2 3 Test Date 5/5/2010 5/6/2010 5/7/2010 Run Start Time 11:25:00 AM8:31:00 AM 8:31:00 AM Run Finish Time 8:40:00 PM6:45:00 PM 7:57:00 PM Carbon Dioxide, % 11.17 11.37 11.25 11.263 Oxygen, % 8.12 7.92 8.08 8.040 Fuel Factor 1.14 1.14 1.14 Dry Volumetric Flow Rate, dry scfm 0.05 0.05 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 13.34 13.58 16.08 14.333 Analyzer Make Servomex Servomex Servomex Analyzer Model 1440 1440 14401,440.000 Analyzer Serial Number 2905 2905 29052,905.000 Operating Range 21 21 21 21.000 Operating Units % % % No. Readings/Avg. 6 6 6 6.000 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID ALM047651ALM047651ALM047651 Calibration Pre Zero Cylinder Instrument Response 0.19 0.239 0.23 0.220 Calibration Pre Zero Cylinder Bias 0.7 0.96 0.91 0.857 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM020786ALM020786ALM020786 Calibration Pre High Cylinder Instrument Response 9.67 9.67 9.705 9.682 Calibration Pre High Cylinder Bias -0.89 -0.89 -0.7 -0.827 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM047651ALM047651ALM047651 Calibration Post Zero Cylinder Instrument Response 0.274 0.181 0.254 0.236 Calibration Post Zero Cylinder Bias 1.15 0.65 1.04 0.947 Calibration Post Zero Cylinder Drift 0.45 0.31 0.13 0.297 Calibration Post High Cylinder ID ALM020786ALM020786ALM020786 Calibration Post High Cylinder Instrument Response 9.724 9.69 9.621 9.678 Calibration Post High Cylinder Bias -0.6 -0.78 -1.15 -0.843 Calibration Post High Cylinder Drift 0.29 0.11 0.45 0.283 Cavg 11.12 11.29 11.14 11.183 Cavg Units %vd %vd %vd Cgas 11.1813 11.3725 11.2439 11.266 Cgas Units %vd %vd %vd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 18001,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Tuesday, February 15, 2011 Page 25 of 27

### 9/30/2010

LocationStack - Method 3A CO2 3 Average Run Number 4 Test Date 5/12/2010 Run Start Time 8:45:00 AM Run Finish Time 7:43:00 PM Carbon Dioxide, % 11.25 11.250 Oxygen, % 8.05 8.050 Fuel Factor 1.14 Dry Volumetric Flow Rate, dry scfm 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9,780.000 Moisture, % 14.61 14.610 Analyzer Make Servomex Analyzer Model 1440 1,440.000 Analyzer Serial Number 2905 2,905.000 Operating Range 21 21.000 Operating Units % No. Readings/Avg. 6 6.000 Calibration Set 2 2.000 Calibration Pre Zero Cylinder ID ALM047651 Calibration Pre Zero Cylinder Instrument Response 0.103 0.103 Calibration Pre Zero Cylinder Bias 0 0.000 Calibration Pre Zero Cylinder Drift 0 0.000 Calibration Pre High Cylinder ID ALM020786 Calibration Pre High Cylinder Instrument Response 9.656 9.656 Calibration Pre High Cylinder Bias -1.01 -1.010 Calibration Pre High Cylinder Drift 0 0.000 Calibration Post Zero Cylinder ID ALM047651 Calibration Post Zero Cylinder Instrument Response 0.269 0.269 Calibration Post Zero Cylinder Bias 0.89 0.890 Calibration Post Zero Cylinder Drift 0.89 0.890 Calibration Post High Cylinder ID ALM020786 Calibration Post High Cylinder Instrument Response 9.641 9.641 Calibration Post High Cylinder Bias -1.09 -1.090 Calibration Post High Cylinder Drift 8.0000000000 0001E-02 0.080

Cavg 11.14 11.140 Cavg Units %vd Cgas 11.2521 11.252 Cgas Units %vd Fuel Type Coal - Bituminous Fw 10640 10,640.000 Fc 1800 1,800.000 Cgasw 0 0.000 Cgasw Units



### Tuesday, February 15, 2011 Page 26 of 27

### 9/30/2010

LocationStack - Method 3A O2 Average Run Number 1 2 3 Test Date 5/5/2010 5/6/2010 5/7/2010 Run Start Time 11:25:00 AM8:31:00 AM 8:31:00 AM Run Finish Time 8:40:00 PM6:45:00 PM 7:57:00 PM Carbon Dioxide, % 11.17 11.37 11.25 11.263 Oxygen, % 8.12 7.92 8.08 8.040 Fuel Factor 1.14 1.14 1.14 Dry Volumetric Flow Rate, dry scfm 0.05 0.05 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 13.34 13.58 16.08 14.333 Analyzer Make Servomex Servomex Servomex Analyzer Model 1440 1440 14401,440.000 Analyzer Serial Number 2887 2887 28872,887.000 Operating Range 21 21 21 21.000 Operating Units % % % No. Readings/Avg. 6 6 6 6.000 Calibration Set 3 3 3 3.000 Calibration Pre Zero Cylinder ID ALM047651ALM047651ALM047651 Calibration Pre Zero Cylinder Instrument Response 0.256 0.134 0.006 0.132 Calibration Pre Zero Cylinder Bias 1.13 0.55 -0.06 0.540 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC180153 CC180153 CC180153 Calibration Pre High Cylinder Instrument Response 11.832 11.868 11.856 11.852 Calibration Pre High Cylinder Bias -0.7 -0.52 -0.58 -0.600 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM047651ALM047651ALM047651 Calibration Post Zero Cylinder Instrument Response 0.147 0.122 -0.012 0.086 Calibration Post Zero Cylinder Bias 0.61 0.5 -0.14 0.323 Calibration Post Zero Cylinder Drift 0.52 0.05 0.08 0.217 Calibration Post High Cylinder ID CC180153 CC180153 CC180153 Calibration Post High Cylinder Instrument Response 11.868 11.856 11.832 11.852 Calibration Post High Cylinder Bias -0.52 -0.58 -0.7 -0.600 Calibration Post High Cylinder Drift 0.185.999999999 99999E-02 0.12 0.120

Cavg 8.08 7.87 7.97 7.973 Cavg Units %vd %vd %vd Cgas 8.1162 7.9175 8.076 8.037 Cgas Units %vd %vd %vd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 18001,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Tuesday, February 15, 2011 Page 27 of 27

### 9/30/2010

LocationStack - Method 3A O2 3 Average Run Number 4 Test Date 5/12/2010 Run Start Time 8:45:00 AM Run Finish Time 7:43:00 PM Carbon Dioxide, % 11.25 11.250 Oxygen, % 8.05 8.050 Fuel Factor 1.14 Dry Volumetric Flow Rate, dry scfm 0.05 0.050 F-Factor, dscfm/MMBtu @ %O2 9780 9,780.000 Moisture, % 14.61 14.610 Analyzer Make Servomex Analyzer Model 1440 1,440.000 Analyzer Serial Number 2887 2,887.000 Operating Range 21 21.000 Operating Units % No. Readings/Avg. 6 6.000 Calibration Set 4 4.000 Calibration Pre Zero Cylinder ID ALM047651 Calibration Pre Zero Cylinder Instrument Response 0.232 0.232 Calibration Pre Zero Cylinder Bias 1.08 1.080 Calibration Pre Zero Cylinder Drift 0 0.000 Calibration Pre High Cylinder ID CC180153 Calibration Pre High Cylinder Instrument Response 11.954 11.954 Calibration Pre High Cylinder Bias -0.4 -0.400 Calibration Pre High Cylinder Drift 0 0.000 Calibration Post Zero Cylinder ID ALM047651 Calibration Post Zero Cylinder Instrument Response 0.171 0.171 Calibration Post Zero Cylinder Bias 0.79 0.790 Calibration Post Zero Cylinder Drift 0.29 0.290 Calibration Post High Cylinder ID CC180153 Calibration Post High Cylinder Instrument Response 12.021 12.021 Calibration Post High Cylinder Bias -0.09 -0.090 Calibration Post High Cylinder Drift 0.31 0.310 Cavg 8.11 8.110 Cavg Units %vd Cgas 8.0521 8.052 Cgas Units %vd Fuel Type Coal - Bituminous Fw 10640 10,640.000 Fc 1800 1,800.000 Cgasw 0 0.000 Cgasw Units



### Tuesday, February 15, 2011 Page 28 of 27