### Name: Mike Galbraith

Title: Scientist Company: Big Rivers Energy Corporation Sign Date: 7/13/2010 Name: Chet Gutwein Title: Engineer Company:Airtech Environmental Services Inc. Sign Date: 7/13/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## 3236 Big Rivers Henderson 2 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 7

### 3236 Big Rivers Henderson 2 7/13/2010 Facility Information: HMP&L Station Two Henderson 9000 HIGHWAY 2096

Robards KY42419 Contact:Mike Galbraith Phone:(270) 844-6030 Fax: Email: mike.galbraith@bigrivers.com Testing Company: Airtech Environmental Services Inc. 601A Country Club Drive

Bensenville IL60106 Contact:James Christ Phone:(630) 860-4740 Fax: (630) 860-4745 Email:jchrist@airtechenv.com

Air Permit Number: 1382 Permitted Source ID/Name: Henderson 2 H2 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: This description should describe the process and associated controls to differentiate this facility from, or document similarity with others of same SCC.

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 respective promulgation Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:2123300001 FRS #:110000591422

SCC / Description10100202 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 192 8.8 8.2 4 192 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location % H2O Method 1 - 4 3 180 0 Stack Exit Hydrogen Fluoride Method 26A 3 180 0 Stack Exit Hydrogen Chloride Method 26A 3 180 0 Stack Exit



### Thursday, January 20, 2011 Page 2 of 7

### 3236 Big Rivers Henderson 2 7/13/2010 dates: EPA Methods 1 through 26A - August 1997



### Thursday, January 20, 2011 Page 3 of 7

### 3236 Big Rivers Henderson 2 7/13/2010

Thursday, January 20, 2011 Page 4 of 7

### 3236 Big Rivers Henderson 2 7/13/2010 Sampling / Stack Data Results Summary 

### Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 5/13/2010 5/13/2010 5/13/2010 Run Start Time 7:10:00 AM 10:47:00 AM 2:08:00 PM
Run Finish Time 10:36:00 AM2:06:00 PM 4:58:00 PM Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 89.568 91.534 90.863 90.655 Moisture Content of Stack Gas, % 15.56 15.35 14.96 15.290 Moisture Saturation at Stack Gas Temperature, % 14.97 14.51 14.35 14.610 Carbon Dioxide, % 13 13.2 13 13.067 Oxygen, % 7 7 7 7.000 Average Stack Gas Temperature, °F 129.50 128.33 127.92 128.583 Dry Volumetric Flow Rate, dry scfm 391,167.8 394,987.0 396,279.2 394,144.667 Actual Wet Volumetric Flue Gas Flow Rate, acfm 516,206.6 517,413.0 517,774.9 517,131.500 Percent Isokinetic of Sampling Rate, % 100.5 99.0 97.9 99.133 F-Factor, dscfm/MMBtu @ %O2 10140 10181 10180 10,167.000 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 5 of 7

### 3236 Big Rivers Henderson 2 7/13/2010 Emissions Summary

Process Run Data 

### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.628 0.766 1.07 0.821 Elb/hr 3.63E-01 4.37E-01 6.17E-01 0.472 lb/mmBtuO2 2.36E-04 2.82E-04 3.97E-04 0.000 mg/dscm 2.48E-01 2.96E-01 4.16E-01 0.320 mg/dscm@7%O2 2.48E-01 2.96E-01 4.16E-01 0.320 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.527 0.517 0.529 0.524 Elb/hr 3.04E-01 2.95E-01 3.05E-01 0.301 lb/mmBtuO2 1.98E-04 1.91E-04 1.96E-04 0.000 mg/dscm 2.08E-01 1.99E-01 2.06E-01 0.204 mg/dscm@7%O2 2.08E-01 1.99E-01 2.06E-01 0.204



### Thursday, January 20, 2011 Page 6 of 7

### 3236 Big Rivers Henderson 2 7/13/2010 Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Coal Burned 0.0621000 Tons/hr 0.0625 

### 2 Coal Burned 0.0621000 Tons/hr 0.0625 3 Coal Burned 0.0621000 Tons/hr 0.0625 1 Average Heat Input 1491 MMBtu/hr 1500 

### 2 Average Heat Input 1491 MMBtu/hr 1500 3 Average Heat Input 1491 MMBtu/hr 1500 1 Steam Output 9501000 lb steam/hr 900 

### 2 Steam Output 9501000 lb steam/hr 900 3 Steam Output 9501000 lb steam/hr 900 1 Flue Gas Flow Rate 425967 scfm 425000 

### 1 FGD Scrubber Liquor pH 6.68 pH 6.6 1 FGD Scrubber Liquor Flow Rate 297 gal/min 297 1 Flue Gas Oxygen Content 3.1 % 4 

### 1 Flue Gas Carbon Dioxide Content 10.86 % 11 1 Flue Gas Sampling Point Temperature 136.2 Deg F 140 1 Flue Gas Pressure 29.53 in. Hg 29.6 

### 1 Unit Gross Electrical Output 3627 Mwe 3700 1 Unit Net Electric Generation 3393 MWh 3300



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

### 3236 Big Rivers Henderson 2 7/13/2010 Sampling / Stack Data Results Detail 

### Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 5/13/2010 5/13/2010 5/13/2010 Run Start Time 7:10:00 AM10:47:00 AM 2:08:00 PM Run Finish Time 10:36:00 AM2:06:00 PM 4:58:00 PM Net Traversing Points 13 13 13 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.216 0.219 0.219 0.218 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.0078 1.0078 1.0078 1.008 Barometric Pressure, inches of Mercury 29.81 29.81 29.81 29.810 Average Orifice Meter Differential, inches H2O 0.90 0.96 0.97 0.943 Dry Gas Meter Volume Sampled, cubic feet 94.490 97.570 97.280 96.447 Average Dry Gas Meter Temperature, °F 100.54 106.46 108.96 105.320 Dry Gas Meter Volume Sampled, dscf 89.568 91.534 90.863 90.655 Total Moisture Liquid collected, g 350.8 352.6 339.8 347.733 Volume of Water Vapor, standard cubic feet 16.51 16.60 15.99 16.367 Moisture Content of Stack Gas, % 15.56 15.35 14.96 15.290 Moisture Saturation at Stack Gas Temperature, % 14.97 14.51 14.35 14.610 Dry Mole Fraction 0.8503 0.8549 0.8565 0.854 Carbon Dioxide, % 13 13.2 13 13.067 Oxygen, % 7 7 7 7.000 Carbon Monoxide & Nitrogen, % 80 79.8 80 79.933 Fuel Factor 1.07 1.05 1.07 Dry Molecular Weight, lb/lb-Mole 30.36 30.39 30.36 30.370 Wet Molecular weight, lb/lb-Mole 28.62 28.74 28.70 28.687 Flue Gas Static Pressure, inches of H2O -0.6 -0.6 -0.6 -0.600 Absolute Flue Gas Pressure, inches of Mercury 29.77 29.77 29.77 29.770 Average Stack Gas Temperature, °F 129.50 128.33 127.92 128.583 Average Velocity Head, inches of H2O 0.5132331854 599130.518689381

8617220.519182617

386405 0.517 Average Stack Gas Velocity, feet/second 42.79 42.89 42.92 42.867 Stack Cross-Sectional Area, square feet 201.062 201.062 201.062 201.062 Dry Volumetric Flow Rate, dry scfm 391,167.8 394,987.0 396,279.2394,144.667 Actual Wet Volumetric Flue Gas Flow Rate, acfm 516,206.6 517,413.0 517,774.9517,131.500 Percent Isokinetic of Sampling Rate, % 100.5 99.0 97.9 99.133 Percent Excess Air, % 49.6 49.8 49.6 49.667 F-Factor, dscfm/MMBtu @ %O2 10140 10181 1018010,167.000 Round Duct Diameter, inches 192 192 192 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 7