### Name: Mike Galbraith

Title: Scientist Company: Big Rivers Energy Corporation Sign Date: 8/3/2010 Name: Chet Gutwein Title: Engineer Company: Airtech Environmental Services Inc. Sign Date: 8/3/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## 3236 Big Rivers D.B. Wilson 1 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.

Thursday, January 20, 2011 Page 1 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010 Facility Information:
D.B. Wilson HIGHWAY 85

Centertown KY 42328 Contact: Mike Galbraith Phone: (270) 844-6030 Fax: Email: mike.galbraith@bigrivers.com Testing Company:
Airtech Environmental Services Inc. 601A Country Club Drive

Bensenville IL 60106 Contact: James Christ Phone: (630) 860-4740 Fax: (630) 860-4745 Email: jchrist@airtechenv.com

Air Permit Number: 6823 Permitted Source ID/Name: Wilson 1 W1 Permitted Maximum Process Rate: N/A Max. Normal Operation Process Rate: N/A Target Process Test Rate N/A

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Wilson Unit One is a dry bottom, wall fired, pulverized coal fired unit equipped with low NOx burners (LNB), electrostatic precipitators, hydrated lime injection, flue gas desulfurization (FGD) and selective catalytic reduction (SCR). Constructed in 1978, the unit has a maximum continuous rating of 4585 MMBtu/hr and utilizes #2 fuel oil for startup and flame stabilization, bituminous coal and petroleum coke as primary fuel.

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. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 2118300069 FRS #: 110000717877

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 Stack Exit 408 3.8 8 4 408 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location % H2O Method 1 - 4 3 120 0 Stack Exit Carbon Monoxide Method 10 3 120 0 Stack Exit Total organic compounds

(TOC) as Propane Method 25A 3 120 0 Stack Exit



### Thursday, January 20, 2011 Page 2 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010 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 following is a list of the test methods that are to be used for this test program and their repective promulgation dates: EPA Methods 1 through 25A - August 1997 EPA Method 316 - March 1997



### Thursday, January 20, 2011 Page 3 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010 Sampling / Stack Data Results Summary


### Location Stack Exit - Method 1 - 4 Average Run Number 1 2 3 Test Date 5/11/2010 5/11/2010 5/11/2010 Run Start Time 1:37:00 PM 4:13:00 PM 6:43:00 PM Run Finish Time 3:53:00 PM 6:28:00 PM 9:02:00 PM Net Run Time, minutes 120 120 120 Dry Gas Meter Volume Sampled, dscf 70.685 72.170 71.166 71.340 Moisture Content of Stack Gas, % 13.26 12.21 12.84 12.770 Moisture Saturation at Stack Gas Temperature, % 13.58 13.42 12.74 13.247 Carbon Dioxide, % 13 13.6 13.6 13.400 Oxygen, % 7.24 7.62 7.26 7.373 Average Stack Gas Temperature, °F 125.75 125.33 123.42 124.833 Dry Volumetric Flow Rate, dry scfm 1,169,099.1 1,195,226.6 1,152,212.9 1,172,179.53 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,507,328.8 1,521,492.3 1,470,830.4 1,499,883.83 3 Percent Isokinetic of Sampling Rate, % 98.4 98.2 100.5 99.033 F-Factor, dscfm/MMBtu @ %O2 9973 9995 10120 10,029.333 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Location Stack Exit - Method 10 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



### Thursday, January 20, 2011 Page 4 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010
Location Stack Exit - Method 25A 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



### Thursday, January 20, 2011 Page 5 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010 Emissions Summary

Process Run Data 

### Location: Stack Exit - Method 1 - 4 Compound: % H2O Average RunNumber 1 2 3 Mass_mg 229600 213400 222600 221,866.667



### Location: Stack Exit - Method 10 

### Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 6.97E-01 9.82E-01 1.40E+00 1.026 ppm 6.28E+02 8.58E+02 1.24E+03 908.667 ppm@7%O2 6.39E+02 8.98E+02 1.26E+03 932.333



### Location: Stack Exit - Method 25A 

### Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 1.87E-03 9.96E-04 5.17E-04 0.001 ppm 1.07E+00 5.53E-01 2.91E-01 0.638 ppm@7%O2 1.09E+00 5.79E-01 2.97E-01 0.655



### Thursday, January 20, 2011 Page 6 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010 Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Coal Burned 0.17 1000 Tons/hr 0.19


### 1 Average Heat Input 4300 MMBtu/hr 4500
1 Steam Output 3145.2 1000 lb steam/hr 3300
1 Flue Gas Flow Rate 1E+06 scfm 1E+06


### 1 FGD Scrubber Liquor 1 pH 5.8776 pH 5.9
1 FGD Scrubber Liquor 1 Flow Rate 64.491 gal/min 65
1 Flue Gas Carbon Dioxide Content 11 % 11


### 1 Flue Gas Sampling Point Temperature 126.8 Deg F 135
1 Flue Gas Pressure 30.21 in. Hg 30
1 Unit Gross Electrical Output 9847 Mwe 10000


### 1 Unit Net Electric Generation 9205.4 MWh 9800
1 Scrubber Liquor 2 Flow 63.998 gal/min 70
1 Scrubber Liquor 2 pH 5.8729 pH 5.8


### 1 Scrubber Liquor 3 Flow Rate 64.791 gal/min 70
1 Scrubber Liquor 3 pH 5.8799 pH 5.8
1 Scrubber Liquor 4 Flow Rate 74.927 gal/min 70


### 1 Scrubber Liquor 4 pH 5.8034 pH 6
1 Hydrated Lime Injection 1310 lb/hr 1700
1 Oxygen 3.2 % 3.1



### Thursday, January 20, 2011 Page 7 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010 Sampling / Stack Data Results Detail


### Location Stack Exit - Method 1 - 4 Average Run Number 1 2 3 Test Date 5/11/2010 5/11/2010 5/11/2010 Run Start Time 1:37:00 PM 4:13:00 PM 6:43:00 PM Run Finish Time 3:53:00 PM 6:28:00 PM 9:02:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 120 120 120 Nozzle Diameter, inches 0.292 0.292 0.292 0.292 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9944 0.9944 0.9944 0.994 Barometric Pressure, inches of Mercury 29.7 29.7 29.7 29.700 Average Orifice Meter Differential, inches H2O 1.16 1.23 1.19 1.193 Dry Gas Meter Volume Sampled, cubic feet 73.360 75.130 74.040 74.177 Average Dry Gas Meter Temperature, °F 82.46 84.21 83.83 83.500 Dry Gas Meter Volume Sampled, dscf 70.685 72.170 71.166 71.340 Total Moisture Liquid collected, g 229.6 213.4 222.6 221.867 Volume of Water Vapor, standard cubic feet 10.81 10.04 10.48 10.443 Moisture Content of Stack Gas, % 13.26 12.21 12.84 12.770 Moisture Saturation at Stack Gas Temperature, % 13.58 13.42 12.74 13.247 Dry Mole Fraction 0.8674 0.8779 0.8726 0.873 Carbon Dioxide, % 13 13.6 13.6 13.400 Oxygen, % 7.24 7.62 7.26 7.373 Carbon Monoxide & Nitrogen, % 79.76 78.78 79.14 79.227 Fuel Factor 1.05 0.98 1.00 Dry Molecular Weight, lb/lb-Mole 30.37 30.48 30.47 30.440 Wet Molecular weight, lb/lb-Mole 28.73 28.96 28.90 28.863 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.3 -0.300 Absolute Flue Gas Pressure, inches of Mercury 29.68 29.68 29.68 29.680 Average Stack Gas Temperature, °F 125.75 125.33 123.42 124.833 Average Velocity Head, inches of H2O 0.2161680387 69451 0.222095273

875092 0.207878017

018064 0.215
Average Stack Gas Velocity, feet/second 27.67 27.93 27.00 27.533 Stack Cross-Sectional Area, square feet 907.920 907.920 907.920 907.920 Dry Volumetric Flow Rate, dry scfm 1,169,099.1 1,195,226.6 1,152,212.9 1,172,179.5 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,507,328.8 1,521,492.3 1,470,830.4 1,499,883.8 33 Percent Isokinetic of Sampling Rate, % 98.4 98.2 100.5 99.033 Percent Excess Air, % 52.4 57.8 53.3 54.500 F-Factor, dscfm/MMBtu @ %O2 9973 9995 10120 10,029.333 Round Duct Diameter, inches 408 408 408 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 8 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010
Location Stack Exit - Method 10 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



### Thursday, January 20, 2011 Page 9 of 10

### 3236 Big Rivers D.B. Wilson 1
8/3/2010
Location Stack Exit - Method 25A 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



### Thursday, January 20, 2011 Page 10 of 10