### Name:

Title: Company: Sign Date: Name: Title: Company: Sign Date: Permitted Facility Representative / Date Testing Company Representative / Date 

## Vectren A.B. Brown Unit #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.

Wednesday, February 23, 2011 Page 1 of 13

### Vectren A.B. Brown Unit #1

Facility Information: A. B. Brown Generating Station
8511 Welborn Road

Mt. Vernon IN 47620 Contact: Allen Rose Phone: 812-491-4562 Fax: Email: arose@vectren.com Testing Company: Platt Environmental Services, Inc. 1520 Kensington Road
Suite 204
Oak Brook IL 60523 Contact:
Phone: Fax: Email:

Air Permit Number: 129-26415-00010 Permitted Source ID/Name: SIGECO A.B. Brown Generating Station Unit #1 Permitted Maximum Process Rate: 2518 MMBtu/hr Max. Normal Operation Process Rate: 2392-2518 MMBtu/hr Target Process Test Rate 2392-2518 MMBtu/hr

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: One (1) dry bottom, pulverized coal-fired boiler, identified as Unit No. 1, constructed in 1974, with a start up date of 1979, with a design fuel heat input capacity of 2518 million (MM) Btu per hour (nominal HHV), with a fabric filter for control of particulate matter (PM), with a dual alkali flue gas desulfurization (FGD) system for control of sulfur dioxide (SO2), with low-nitrogen oxides (NOx) combustion (low-excess air and low -NOx burners) and selective catalytic reduction (SCR) system for control of NOx, with continuous emissions monitoring systems (CEMS) for NOx and SO2 and continuous opacity monitoring (COM) system for opacity and exhausting to stack #1. Natural gas (NG) can be used as an alternate fuel for startup, shutdown, and malfunctions. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 1812900010 FRS #: 110022937599

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 #1 192.75 1536 384 4 0 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Mercury 30B 3 120 0 Stack #1 Selenium Method 29 3 240 0 Stack #1



### Wednesday, February 23, 2011 Page 2 of 13

### Vectren A.B. Brown Unit #1

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.
None Nickel Method 29 3 240 0 Stack #1 Manganese Method 29 3 240 0 Stack #1 Lead Method 29 3 240 0 Stack #1 Cobalt Method 29 3 240 0 Stack #1 Chromium Method 29 3 240 0 Stack #1 Cadmium Method 29 3 240 0 Stack #1 Beryllium Method 29 3 240 0 Stack #1 Arsenic Method 29 3 240 0 Stack #1 Antimony Method 29 3 240 0 Stack #1 O2 Method 3A O2 3 240 0 Stack #1 Co2 Method 3A CO2 3 240 0 Stack #1 Total Particulate Method 5/OTM-28 3 240 0 Stack #1



### Wednesday, February 23, 2011 Page 3 of 13

### Vectren A.B. Brown Unit #1

Sampling / Stack Data Results Summary



### Location Stack #1 - Method 29 Average Run Number M29-1 M29-2 M29-3
Test Date 2/16/2010 2/17/2010 2/17/2010 Run Start Time 1:00:00 PM 8:40:00 AM 1:15:00 PM

Run Finish Time 5:15:00 PM 12:55:00 PM 5:30:00 PM

Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 173.264 174.537 171.114 172.972 Moisture Content of Stack Gas, % 14.17 14.19 14.68 14.347 Moisture Saturation at Stack Gas Temperature, % 14.79 14.74 14.88 14.803 Carbon Dioxide, % 12.6 12.2 12.2 12.333 Oxygen, % 6.1 6.1 6.2 6.133 Average Stack Gas Temperature, °F 127.81 127.83 128.17 127.937 Dry Volumetric Flow Rate, dry scfm 580,719.8 584,481.4 569,650.6 578,283.933 Actual Wet Volumetric Flue Gas Flow Rate, acfm 782,256.0 784,809.2 769,733.1 778,932.767 Percent Isokinetic of Sampling Rate, % 101.8 101.9 102.5 102.067 F-Factor, dscfm/MMBtu @ %O2 9710 9693 9808 9,737.000
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Stack #1 - 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 13

### Vectren A.B. Brown Unit #1

Location Stack #1 - 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 Stack #1 - Method 5/OTM-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



### Wednesday, February 23, 2011 Page 5 of 13

### Vectren A.B. Brown Unit #1

Emissions Summary



### Location: Stack #1 - Method 29 Compound: Antimony Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.0028 0.0028 0.0028 0.003 Elb/hr 1.24E-03 1.24E-03 1.23E-03 0.001 gr/dscf 2.49E-07 2.48E-07 2.53E-07 0.000 lb/mmBtuO2 4.89E-07 4.84E-07 5.03E-07 0.000 mg/dscm 5.71E-04 5.67E-04 5.78E-04 0.001 ppm 1.13E-04 1.12E-04 1.14E-04 0.000 

### Compound: Arsenic Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.0204 0.0215 0.0182 0.020 Elb/hr 9.04E-03 9.52E-03 8.01E-03 0.009 gr/dscf 1.82E-06 1.90E-06 1.64E-06 0.000 lb/mmBtuO2 3.56E-06 3.72E-06 3.27E-06 0.000 mg/dscm 4.16E-03 4.35E-03 3.76E-03 0.004 ppm 1.33E-03 1.40E-03 1.21E-03 0.001 

### Compound: Beryllium Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.0007 0.0007 0.0007 0.001 Elb/hr 3.10E-04 3.10E-04 3.08E-04 0.000 gr/dscf 6.23E-08 6.19E-08 6.31E-08 0.000 lb/mmBtuO2 1.22E-07 1.21E-07 1.26E-07 0.000 mg/dscm 1.43E-04 1.42E-04 1.44E-04 0.000 ppm 3.81E-04 3.78E-04 3.86E-04 0.000 

### Compound: Cadmium Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.0007 0.00071 0.0007 0.001 Elb/hr 3.10E-04 3.15E-04 3.08E-04 0.000 gr/dscf 6.23E-08 6.28E-08 6.31E-08 0.000 lb/mmBtuO2 1.22E-07 1.23E-07 1.26E-07 0.000 mg/dscm 1.43E-04 1.44E-04 1.44E-04 0.000 ppm 3.05E-05 3.07E-05 3.09E-05 0.000 

### Compound: Chromium Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.25032 0.42965 0.29402 0.325 Elb/hr 1.11E-01 1.90E-01 1.29E-01 0.143 gr/dscf 2.23E-05 3.80E-05 2.65E-05 0.000 lb/mmBtuO2 4.37E-05 7.43E-05 5.28E-05 0.000 mg/dscm 5.10E-02 8.69E-02 6.07E-02 0.066 ppm 2.36E-02 4.02E-02 2.81E-02 0.031



### Wednesday, February 23, 2011 Page 6 of 13

### Vectren A.B. Brown Unit #1

Compound: Cobalt Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.00328 0.00421 0.0037 0.004 Elb/hr 1.45E-03 1.86E-03 1.63E-03 0.002 gr/dscf 2.92E-07 3.72E-07 3.34E-07 0.000 lb/mmBtuO2 5.72E-07 7.28E-07 6.65E-07 0.000 mg/dscm 6.69E-04 8.52E-04 7.64E-04 0.001 ppm 2.73E-04 3.48E-04 3.12E-04 0.000 

### Compound: Lead Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.00155 0.00179 0.00214 0.002 Elb/hr 6.87E-04 7.93E-04 9.42E-04 0.001 gr/dscf 1.38E-07 1.58E-07 1.93E-07 0.000 lb/mmBtuO2 2.70E-07 3.09E-07 3.84E-07 0.000 mg/dscm 3.16E-04 3.62E-04 4.42E-04 0.000 ppm 3.67E-05 4.20E-05 5.13E-05 0.000 

### Compound: Manganese Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.0268 0.0474 0.03213 0.035 Elb/hr 1.19E-02 2.10E-02 1.41E-02 0.016 gr/dscf 2.39E-06 4.19E-06 2.90E-06 0.000 lb/mmBtuO2 4.68E-06 8.20E-06 5.77E-06 0.000 mg/dscm 5.46E-03 9.59E-03 6.63E-03 0.007 ppm 2.39E-03 4.20E-03 2.90E-03 0.003 

### Compound: Nickel Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.23575 0.26955 0.23945 0.248 Elb/hr 1.05E-01 1.19E-01 1.05E-01 0.110 gr/dscf 2.10E-05 2.38E-05 2.16E-05 0.000 lb/mmBtuO2 4.11E-05 4.66E-05 4.30E-05 0.000 mg/dscm 4.81E-02 5.45E-02 4.94E-02 0.051 ppm 1.97E-02 2.23E-02 2.02E-02 0.021 

### Compound: Selenium Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.0691 0.1277 0.0989 0.099 Elb/hr 3.06E-02 5.66E-02 4.36E-02 0.044 gr/dscf 6.15E-06 1.13E-05 8.92E-06 0.000 lb/mmBtuO2 1.21E-05 2.21E-05 1.78E-05 0.000 mg/dscm 1.41E-02 2.58E-02 2.04E-02 0.020 ppm 4.29E-03 7.87E-03 6.22E-03 0.006



### Location: Stack #1 - Method 5/OTM-28 Compound: Total Particulate Average


### Wednesday, February 23, 2011 Page 7 of 13

### Vectren A.B. Brown Unit #1

Process Run Data RunNumber M5B/OTM28-1 M5B/OTM28-2 M5B/OTM28-3 Mass_mg 77.6 106 89.3 90.967 Elb/hr 3.63E+01 4.90E+01 4.16E+01 42.300 gr/dscf 7.17E-03 9.68E-03 8.14E-03 0.008 lb/mmBtuO2 1.41E-02 1.93E-02 1.64E-02 0.017 mg/dscm 1.64E+01 2.22E+01 1.86E+01 19.067



### Wednesday, February 23, 2011 Page 8 of 13

### Vectren A.B. Brown Unit #1

Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Heat Input 0 Million Btus/million BTU using CO2 0

Run Name Value UOM Comments Target Value 

### 1 DUAL ALKALI SCRUBBING 0 0
1 FABRIC FILTER 0 0
1 SCR (SELECTIVE CATALYTIC REDUCTION) 0 0


### 1 LOW NOX BURNERS 0 0

Wednesday, February 23, 2011 Page 9 of 13

### Vectren A.B. Brown Unit #1

Sampling / Stack Data Results Detail



### Location Stack #1 - Method 29 Average Run Number M29-1 M29-2 M29-3 Test Date 2/16/2010 2/17/2010 2/17/2010 Run Start Time 1:00:00 PM 8:40:00 AM 1:15:00 PM Run Finish Time 5:15:00 PM 12:55:00 PM 5:30:00 PM Net Traversing Points 52 52 52 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.213 0.213 0.213 0.213 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 29.18 29.23 29.23 29.213 Average Orifice Meter Differential, inches H2O 1.59 1.58 1.55 1.573 Dry Gas Meter Volume Sampled, cubic feet 176.766 176.378 174.523 175.889 Average Dry Gas Meter Temperature, °F 67.98 63.86 68.68 66.840 Dry Gas Meter Volume Sampled, dscf 173.264 174.537 171.114 172.972 Total Moisture Liquid collected, g 607.8 613.2 625.5 615.500 Volume of Water Vapor, standard cubic feet 28.61 28.86 29.44 28.970 Moisture Content of Stack Gas, % 14.17 14.19 14.68 14.347 Moisture Saturation at Stack Gas Temperature, % 14.79 14.74 14.88 14.803 Dry Mole Fraction 0.8583 0.8581 0.8532 0.857 Carbon Dioxide, % 12.6 12.2 12.2 12.333 Oxygen, % 6.1 6.1 6.2 6.133 Carbon Monoxide & Nitrogen, % 81.3 81.7 81.6 81.533 Fuel Factor 1.17 1.21 1.20 Dry Molecular Weight, lb/lb-Mole 30.26 30.20 30.20 30.220 Wet Molecular weight, lb/lb-Mole 28.52 28.47 28.41 28.467 Flue Gas Static Pressure, inches of H2O -5 -4.3 -4.3 -4.533 Absolute Flue Gas Pressure, inches of Mercury 28.81 28.91 28.91 28.877 Average Stack Gas Temperature, °F 127.81 127.83 128.17 127.937 Average Velocity Head, inches of H2O 1.1220040163 2488 1.131288585

9174 1.085268829

56854 1.113
Average Stack Gas Velocity, feet/second 64.34 64.55 63.31 64.067 Stack Cross-Sectional Area, square feet 202.636 202.636 202.636 202.636 Dry Volumetric Flow Rate, dry scfm 580,719.8 584,481.4 569,650.6 578,283.933 Actual Wet Volumetric Flue Gas Flow Rate, acfm 782,256.0 784,809.2 769,733.1 778,932.767 Percent Isokinetic of Sampling Rate, % 101.8 101.9 102.5 102.067 Percent Excess Air, % 39.7 39.4 40.4 39.833 F-Factor, dscfm/MMBtu @ %O2 9710 9693 9808 9,737.000 Round Duct Diameter, inches 192.75 192.75 192.75 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



### Wednesday, February 23, 2011 Page 10 of 13

### Vectren A.B. Brown Unit #1

Location Stack #1 - 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 11 of 13

### Vectren A.B. Brown Unit #1

Location Stack #1 - 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 12 of 13

### Vectren A.B. Brown Unit #1

Location Stack #1 - Method 5/OTM-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



### Wednesday, February 23, 2011 Page 13 of 13