### Name:

Title: Company: Sign Date: Name: Title: Company: Sign Date: 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.

Wednesday, February 23, 2011 Page 1 of 10

### Facility Information:

Vectren FB Culley Generating Station

Contact:

Phone:

Fax:

Email: Testing Company:

Contact:

Phone:

Fax:

Email:

Air Permit Number: Permitted Source ID/Name:

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: Industry/SCC/NAIS

Sampling Location Information:

Test Parameter Information: AFS #: FRS #:

SCC / Description

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

2/3 Common Stack 23.969 8 2 4 0 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location

Custom CTM033 3 60 0 2/3 Common Stack Hydrogen Fluoride Method 26A 3 60 0 2/3 Common Stack Hydrogen Chloride Method 26A 3 60 0 2/3 Common Stack Co2 Method 3A CO2 3 60 0 2/3 Common Stack



### Wednesday, February 23, 2011 Page 2 of 10

### 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.

O2 Method 3A O2 3 60 0 2/3 Common Stack



### Wednesday, February 23, 2011 Page 3 of 10

### Sampling / Stack Data Results Summary



### Location 2/3 Common Stack - Method 26A Average
Run Number M26A-1 M26A-2 M26A-3

Test Date 3/31/2010 3/31/2010 3/31/2010

Run Start Time 5:55:00 PM 7:10:00 PM 8:30:00 PM

Run Finish Time 7:01:00 PM 8:16:00 PM 9:36:00 PM
Net Run Time, minutes 60 60 60 Dry Gas Meter Volume Sampled, dscf 38.509 38.074 38.824 38.469
Moisture Content of Stack Gas, % 13.60 13.57 13.15 13.440 Moisture Saturation at Stack Gas Temperature, % 14.09 14.09 14.09 14.090
Carbon Dioxide, % 11.5 11.5 11.5 11.500 Oxygen, % 7.3 7.5 7.4 7.400 Average Stack Gas Temperature, °F 127.00 127.00 127.00 127.000 Dry Volumetric Flow Rate, dry scfm 6,630.1 6,560.2 6,705.3 6,631.867
Actual Wet Volumetric Flue Gas Flow Rate, acfm 8,626.4 8,532.4 8,679.0 8,612.600 Percent Isokinetic of Sampling Rate, % 100.7 100.6 100.4 100.567
F-Factor, dscfm/MMBtu @ %O2 9619 9600 9612 9,610.333

Fw 0 0 0 0.000

Fc 1775 1776 1785 1,778.667



### Location 2/3 Common Stack - 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



### Wednesday, February 23, 2011 Page 4 of 10

### Location 2/3 Common Stack - 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



### Wednesday, February 23, 2011 Page 5 of 10

### Emissions Summary

Process Run Data 

### Location: 2/3 Common Stack - Method 26A Compound: Hydrogen Chloride Average RunNumber M26A-1 M26A-2 M26A-3 Mass_mg 120 120 120 120.000 lb/mmBtuO2 1.02E-01 1.04E-01 1.01E-01 0.102


### Compound: Hydrogen Fluoride Average RunNumber M26A-1 M26A-2 M26A-3 Mass_mg 80 80 80 80.000 lb/mmBtuO2 6.77E-02 6.94E-02 6.76E-02 0.068



### Wednesday, February 23, 2011 Page 6 of 10

### Process Run Data

APCD Run Data

Process Lab Run Data



### Wednesday, February 23, 2011 Page 7 of 10

### Sampling / Stack Data Results Detail



### Location 2/3 Common Stack - Method 26A Average Run Number M26A-1 M26A-2 M26A-3
Test Date 3/31/2010 3/31/2010 3/31/2010 Run Start Time 5:55:00 PM 7:10:00 PM 8:30:00 PM Run Finish Time 7:01:00 PM 8:16:00 PM 9:36:00 PM Net Traversing Points 16 16 16 Net Run Time, minutes 60 60 60 Nozzle Diameter, inches 0.235 0.235 0.235 0.235 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.991 0.991 0.991 0.991 Barometric Pressure, inches of Mercury 29.61 29.61 29.61 29.610 Average Orifice Meter Differential, inches H2O 1.18 1.15 1.19 1.173 Dry Gas Meter Volume Sampled, cubic feet 40.686 40.279 40.994 40.653 Average Dry Gas Meter Temperature, °F 88.71 89.38 88.38 88.823 Dry Gas Meter Volume Sampled, dscf 38.509 38.074 38.824 38.469 Total Moisture Liquid collected, g 128.7 127.1 125 126.933 Volume of Water Vapor, standard cubic feet 6.06 5.98 5.88 5.973 Moisture Content of Stack Gas, % 13.60 13.57 13.15 13.440 Moisture Saturation at Stack Gas Temperature, % 14.09 14.09 14.09 14.090 Dry Mole Fraction 0.864 0.8643 0.8685 0.866 Carbon Dioxide, % 11.5 11.5 11.5 11.500 Oxygen, % 7.3 7.5 7.4 7.400 Carbon Monoxide & Nitrogen, % 81.2 81 81.1 81.100 Fuel Factor 1.18 1.17 1.17 Dry Molecular Weight, lb/lb-Mole 30.13 30.14 30.14 30.137 Wet Molecular weight, lb/lb-Mole 28.48 28.49 28.54 28.503 Flue Gas Static Pressure, inches of H2O -0.25 -0.25 -0.25 -0.250 Absolute Flue Gas Pressure, inches of Mercury 29.59 29.59 29.59 29.590 Average Stack Gas Temperature, °F 127.00 127.00 127.00 127.000 Average Velocity Head, inches of H2O 0.5863876029 68825 0.573805610

776973 0.594662022

11534 0.585

Average Stack Gas Velocity, feet/second 45.89 45.39 46.17 45.817 Stack Cross-Sectional Area, square feet 3.133 3.133 3.133 3.133 Dry Volumetric Flow Rate, dry scfm 6,630.1 6,560.2 6,705.3 6,631.867 Actual Wet Volumetric Flue Gas Flow Rate, acfm 8,626.4 8,532.4 8,679.0 8,612.600 Percent Isokinetic of Sampling Rate, % 100.7 100.6 100.4 100.567 Percent Excess Air, % 51.6 54.0 52.8 52.800 F-Factor, dscfm/MMBtu @ %O2 9619 9600 9612 9,610.333 Round Duct Diameter, inches 23.969 23.969 23.969 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0
Fw 0 0 0 0.000
Fc 1775 1776 1785 1,778.667



### Wednesday, February 23, 2011 Page 8 of 10

### Location 2/3 Common Stack - 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



### Wednesday, February 23, 2011 Page 9 of 10

### Location 2/3 Common Stack - 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



### Wednesday, February 23, 2011 Page 10 of 10