### 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 16, 2011 Page 1 of 11

### Facility Information:

AES Petersburg 6925 N. State Road 57

Petersburg IN47567 Contact:Angelique Oliger Phone:(317) 261-5852 ext ____ Fax: Email:angelique.oliger@aes.com Testing Company: URS Corporation 1600 Perimeter Park Dr.

Morrisville NC27560 Contact:Brad Justus Phone:919-461-1100 Fax: 919-461-1415 Email:Brad_Justus@URScorp.com

Air Permit Number: 994 Permitted Source ID/Name: 2 2 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: 4300 MMBtu/hr, Low NOx Burner, Overfire Air, SCR, ESP, wet FGD Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:1812500002 FRS #:330015653241

SCC / Description10100211 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Wet 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 Exit 258 516 2064 4 0 3 0 0

Target Parameter Test Method Number of

Test RunsTest Run

DurationSample

Points Comments Location% H2O Method 1 - 4 3 180 0 Stack Exit Carbon Monoxide Method 10 3 120 0 Stack Exit Formaldehyde Method 0011 3 120 0 Stack Exit 2,3,7,8-TCDD Method 23 3 480 0 Stack Exit 1,2,3,7,8-PeCDD Method 23 3 480 0 Stack Exit 1,2,3,4,7,8-HxCDD Method 23 3 480 0 Stack Exit 1,2,3,6,7,8-HxCDD Method 23 3 480 0 Stack Exit



### Wednesday, February 16, 2011 Page 2 of 111,2,3,7,8,9-HxCDD Method 23 3 480 0

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

HxCB (PCBs156/157) Method 23 3 480 0 Stack Exit 2,3',4,4',5,5'-HxCB (PCB167)Method 23 3 480 0 Stack Exit 3,3',4,4',5,5'-HxCB (PCB169)Method 23 3 480 0 Stack Exit 2,3,3',4,4',5,5'-HpCB

(PCB189) Method 23 3 480 0 Stack Exit

Total PCBs Method 23 3 480 0 Stack Exit Total TEQ Method 23 3 480 0 Stack Exit Total organic compounds

(TOC) as Propane Method 25A 3 120 0 Stack Exit Hydrogen Chloride Method 26 3 180 0 Stack Exit Hydrogen Fluoride Method 26 3 180 0 Stack Exit Hydrogen Chloride Method 26A 3 180 0 Stack Exit Hydrogen Fluoride Method 26A 3 180 0 Stack Exit Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit

Filterable PM2.5 OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit

Organic Condensible

Particulate OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit



### Wednesday, February 16, 2011 Page 3 of 11

### 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.

Total PM2.5 OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit

Total Particulate OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit

Filterable Particulate OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit

Filterable Particulate Method 29 3 240 0 Stack Exit Antimony Method 29 3 240 0 Stack Exit Arsenic Method 29 3 240 0 Stack Exit Beryllium Method 29 3 240 0 Stack Exit Cadmium Method 29 3 240 0 Stack Exit Chromium Method 29 3 240 0 Stack Exit Lead Method 29 3 240 0 Stack Exit Magnesium Method 29 3 240 0 Stack Exit Manganese Method 29 3 240 0 Stack Exit Mercury Method 29 3 240 0 Stack Exit Nickel Method 29 3 240 0 Stack Exit Selenium Method 29 3 240 0 Stack Exit Co2 Method 3A CO2 3 240 0 Stack Exit Co2 Method 3A CO2 3 120 0 Stack Exit O2 Method 3A O2 3 240 0 Stack Exit O2 Method 3A O2 3 120 0 Stack Exit O2 Method 3A O2 3 480 0 Stack Exit Co2 Method 3A CO2 3 480 0 Stack Exit Inorganic (Aqueous)

Condensible Part. Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

Organic Condensible

Particulate Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

Total Particulate Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

Filterable Particulate Method 5 3 240 0 Stack Exit Filterable Particulate Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

Sulfur Dioxide Method 6C 3 180 0 Stack Exit Nitrogen oxides (NOx) Method 7E 3 180 0 Stack Exit



### Wednesday, February 16, 2011 Page 4 of 11

### Sampling / Stack Data Results Summary



### LocationStack Exit - Method 26A Average Run Number 1 2 3 Test Date 3/23/20103/23/2010 3/23/2010 Run Start Time 12:20:00 PM4:30:00 PM8:05:00 PM Run Finish Time 3:35:00 PM7:45:00 PM11:20:00 PM Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 113.749 116.786 113.974 114.836 Moisture Content of Stack Gas, % 13.85 15.07 14.48 14.467 Moisture Saturation at Stack Gas Temperature, % 13.68 13.91 14.12 13.903 Carbon Dioxide, % 10.1 10.2 10.2 10.167 Oxygen, % 9 8.7 8.7 8.800 Average Stack Gas Temperature, °F 124.69 125.31 125.86 125.287 Dry Volumetric Flow Rate, dry scfm 682,411.6 691,041.8 673,705.4682,386.267 Actual Wet Volumetric Flue Gas Flow Rate, acfm 914,886.0 929,916.3 909,658.1918,153.467 Percent Isokinetic of Sampling Rate, % 97.8 99.2 99.3 98.767 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



### Wednesday, February 16, 2011 Page 5 of 11

### Emissions Summary

Process Run Data 

### Location: Stack Exit - Method 26A Compound:Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.562 0.48 0.458 0.500 Elb/hr 4.46E-01 3.76E-01 3.58E-01 0.393 lb/mmBtuO2 1.87E-04 1.52E-04 1.48E-04 0.000 mg/dscm 1.75E-01 1.45E-01 1.42E-01 0.154 mg/dscm@7%O2 2.04E-01 1.65E-01 1.62E-01 0.177 

### Compound:Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.345 0.363 0.361 0.356 Elb/hr 2.74E-01 2.84E-01 2.82E-01 0.280 lb/mmBtuO2 1.15E-04 1.15E-04 1.17E-04 0.000 mg/dscm 1.07E-01 1.10E-01 1.12E-01 0.110 mg/dscm@7%O2 1.25E-01 1.25E-01 1.28E-01 0.126



### Wednesday, February 16, 2011 Page 6 of 11

### Process Run Data



### Run Name Value UOM Comments Target Value 1 Bituminous Coal Burned 4002 Tons/hr 0 

### 1 Average Heat Input 3821 MMBtu/hr 0 1 Steam Output 28711000 lb steam/hr 0 1 Synfuel Firing Rate 0 0 

### 1 Petroleum Coke Firing Rate 0 0 1 Coal Gas Firing Rate 0 0 1 Fuel Oil Firing Rate 0 0 

### 1 Flue Gas Flow Rate 684067 dscfm 0 1 Pressure Drop Across FGD (if applicable) 0 in H20 0 1 FGD Scrubber Liquor pH 5.6 pH 0 

### 1 FGD Scrubber Liquor Flow Rate 0 gal/min 0 1 Sorbent Type and Sorbent Injection Rate (if applicable) 0 lb/hr 0



### 1 Flue Gas Oxygen Content 0 % 0 1 Flue Gas Carbon Dioxide Content 9.2 % 0 1 Flue Gas Moisture Content 0 % 0 

### 1 Flue Gas Sampling Point Temperature 0 Deg F 0 1 Flue Gas Pressure 0 atm 0 1 Standard Pressure 1 atm 0 

### 1 Standard Temperature 68 Deg F 0 1 Unit Gross Electrical Output 442.52 MW 0 1 Unit Net Electric Generation 409.28 MWh 0 

### 2Bituminous Coal Burned 3990 Tons/hr 0 2Average Heat Input 3810 MMBtu/hr 0 2Steam Output 28941000 lb steam/hr 0 

### 2Synfuel Firing Rate 0 0 2Petroleum Coke Firing Rate 0 0 2Coal Gas Firing Rate 0 0 

### 2Fuel Oil Firing Rate 0 0 2Flue Gas Flow Rate 693930 dscfm 0 2Pressure Drop Across FGD (if applicable) 0 in H20 0 

### 2FGD Scrubber Liquor pH 5.5 pH 0 2FGD Scrubber Liquor Flow Rate 0 gal/min 0



### Wednesday, February 16, 2011 Page 7 of 11

### APCD Run Data

2Sorbent Type and Sorbent Injection Rate (if applicable) 0 lb/hr 0



### 2Flue Gas Oxygen Content 0 % 0 2Flue Gas Carbon Dioxide Content 9.2 % 0 

### 2Flue Gas Moisture Content 0 % 0 2Flue Gas Sampling Point Temperature 0 Deg F 0 2Flue Gas Pressure 0 atm 0 

### 2Standard Pressure 1 atm 0 2Standard Temperature 68 Deg F 0 2Unit Gross Electrical Output 447.66 MW 0 

### 2Unit Net Electric Generation 414.24 MWh 0 3 Bituminous Coal Burned 3858 Tons/hr 0 3 Average Heat Input 3683 MMBtu/hr 0 

### 3 Steam Output 28231000 lb steam/hr 0 3 Synfuel Firing Rate 0 0 3Petroleum Coke Firing Rate 0 0 

### 3 Coal Gas Firing Rate 0 0 3 Fuel Oil Firing Rate 0 0 3 Flue Gas Flow Rate 676021 dscfm 0 

### 3 Pressure Drop Across FGD (if applicable) 0 in H20 0 3 FGD Scrubber Liquor pH 5.5 pH 0 3 FGD Scrubber Liquor Flow Rate 0 gal/min 0 

### 3 Sorbent Type and Sorbent Injection Rate (if applicable) 0 lb/hr 0

3 Flue Gas Oxygen Content 0 % 0 

### 3Flue Gas Carbon Dioxide Content 9.1 % 0 3Flue Gas Moisture Content 0 % 0 3 Flue Gas Sampling Point Temperature 0 Deg F 0 

### 3Flue Gas Pressure 0 atm 0 3 Standard Pressure 1 atm 0 3 Standard Temperature 68 Deg F 0 

### 3Unit Gross Electrical Output 437.55 MW 0 3 Unit Net Electric Generation 404.45 MWh 0



### Run Name Value UOM Comments Target Value 1 LOW NOX BURNERS 0 0 

### Wednesday, February 16, 2011 Page 8 of 11

### Process Lab Run Data

2LOW NOX BURNERS 0 0 

### 3LOW NOX BURNERS 0 0 1 OVERFIRE AIR 0 0 2OVERFIRE AIR 0 0 

### 3 OVERFIRE AIR 0 0 1 SCR (SELECTIVE CATALYTIC REDUCTION) 0 0 2SCR (SELECTIVE CATALYTIC REDUCTION) 0 0 

### 3 SCR (SELECTIVE CATALYTIC REDUCTION) 0 0 1 ELECTROSTATIC PRECIPITATOR 0 kvolts 0 2ELECTROSTATIC PRECIPITATOR 0 kvolts 0 

### 3ELECTROSTATIC PRECIPITATOR 0 kvolts 0 1 CAUSTIC SCRUBBER 0 0 2CAUSTIC SCRUBBER 0 0 

### 3 CAUSTIC SCRUBBER 0 0

Run Name ValueUOM Comments 1 Fuel Higher Heating Value 10715Btu/lb 

### 1 Fuel Moisture 17 % 1 Fuel Mercury Content 0 ppm 1 Fuel Cadmium Content 0 ppm 1 Ultimate/Proximate Analysis 0 

### 1 Fuel Nickel Content 0 ppm 1 Fuel Arsenic Content 0 ppm 1 Fuel Chromium Content 0 ppm 1 Fuel Beryllium Content 0 ppm 

### 1 Fuel Lead Content 0 ppm 1 Fuel Manganese Content 0 ppm 1 Fuel Chlorine Content 420 ppm 

### 1 Fuel Fluorine Content 39 ppm 2Fuel Higher Heating Value 10663Btu/lb 2Fuel Moisture 17 % 2Fuel Mercury Content 0 ppm 

### 2Fuel Cadmium Content 0 ppm 2Ultimate/Proximate Analysis 0 2Fuel Nickel Content 0 ppm 

### 2Fuel Arsenic Content 0 ppm 2Fuel Chromium Content 0 ppm 2Fuel Beryllium Content 0 ppm 2Fuel Lead Content 0 ppm 

### Wednesday, February 16, 2011 Page 9 of 11

### 2Fuel Manganese Content 0 ppm



### 2Fuel Chlorine Content 390 ppm 2Fuel Fluorine Content 43 ppm 3 Fuel Higher Heating Value 10824Btu/lb 3 Fuel Moisture 16 % 

### 3Fuel Mercury Content 0 ppm 3 Fuel Cadmium Content 0 ppm 3 Ultimate/Proximate Analysis 0 

### 3Fuel Nickel Content 0 ppm 3Fuel Arsenic Content 0 ppm 3 Fuel Chromium Content 0 ppm 3 Fuel Beryllium Content 0 ppm 

### 3Fuel Lead Content 0 ppm 3 Fuel Manganese Content 0 ppm 3 Fuel Chlorine Content 410 ppm 

### 3Fuel Fluorine Content 40 ppm

Wednesday, February 16, 2011 Page 10 of 11

### Sampling / Stack Data Results Detail



### LocationStack Exit - Method 26A Average Run Number 1 2 3 Test Date 3/23/2010 3/23/2010 3/23/2010 Run Start Time 12:20:00 PM4:30:00 PM8:05:00 PM Run Finish Time 3:35:00 PM7:45:00 PM11:20:00 PM Net Traversing Points 13 13 13 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.251 0.251 0.251 0.251 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9946 0.9946 0.9946 0.995 Barometric Pressure, inches of Mercury 28.78 28.78 28.78 28.780 Average Orifice Meter Differential, inches H2O 1.53 1.59 1.50 1.540 Dry Gas Meter Volume Sampled, cubic feet 124.595 128.165 125.515 126.092 Average Dry Gas Meter Temperature, °F 95.47 96.61 98.42 96.833 Dry Gas Meter Volume Sampled, dscf 113.749 116.786 113.974 114.836 Total Moisture Liquid collected, g 388.3 440.2 410.1 412.867 Volume of Water Vapor, standard cubic feet 18.28 20.72 19.30 19.433 Moisture Content of Stack Gas, % 13.85 15.07 14.48 14.467 Moisture Saturation at Stack Gas Temperature, % 13.68 13.91 14.12 13.903 Dry Mole Fraction 0.8632 0.8609 0.8588 0.861 Carbon Dioxide, % 10.1 10.2 10.2 10.167 Oxygen, % 9 8.7 8.7 8.800 Carbon Monoxide & Nitrogen, % 80.9 81.1 81.1 81.033 Fuel Factor 1.18 1.20 1.20 Dry Molecular Weight, lb/lb-Mole 29.98 29.98 29.98 29.980 Wet Molecular weight, lb/lb-Mole 28.37 28.52 28.35 28.413 Flue Gas Static Pressure, inches of H2O -2.1 -2.1 -2.1 -2.100 Absolute Flue Gas Pressure, inches of Mercury 28.63 28.63 28.63 28.630 Average Stack Gas Temperature, °F 124.69 125.31 125.86 125.287 Average Velocity Head, inches of H2O 0.4751976623 013770.493078930

6211440.468403327

493353 0.479 Average Stack Gas Velocity, feet/second 42.00 42.69 41.76 42.150 Stack Cross-Sectional Area, square feet 363.050 363.050 363.050 363.050 Dry Volumetric Flow Rate, dry scfm 682,411.6 691,041.8 673,705.4682,386.267 Actual Wet Volumetric Flue Gas Flow Rate, acfm 914,886.0 929,916.3 909,658.1918,153.467 Percent Isokinetic of Sampling Rate, % 97.8 99.2 99.3 98.767 Percent Excess Air, % 72.8 68.4 68.4 69.867 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 258 258 258 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



### Wednesday, February 16, 2011 Page 11 of 11