### 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.

Friday, February 25, 2011 Page 1 of 13

### Facility Information:

AES Beaver Valley
394 Frankfort Road

Monaca PA 15061 Contact: Person to contact for more detail Phone: Of above personsadf Fax: Of above personasdf Email: Of above personsdf Testing Company: URS Corporation
1600 Permeter Park Dr.

Morrisville NC 27560 Contact: Brad Justus Phone: 919-461-1326 Fax: 919-461-1415 Email: Brad_Justus@urscorp.com

Air Permit Number: 10676 Permitted Source ID/Name: Boiler 4 Boiler 4 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: 40 MW, low NOX burners, overfire air, selective non-catalytic reduction, electrostatic precipitator, wet flue gas desulfurization Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 4200700002 FRS #: 110000329083

SCC / Description 10100212 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry 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 91 960 960 4 0 6 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 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



### Friday, February 25, 2011 Page 2 of 131,2,3,7,8,9-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 Fluoride Method 26A 3 180 0 Stack Exit Hydrogen Chloride Method 26A 3 180 0 Stack Exit Filterable PM2.5 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

Inorganic (Aqueous)

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



### Friday, February 25, 2011 Page 3 of 13

### 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.

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

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 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 Selenium Method 29 3 240 0 Stack Exit Nickel Method 29 3 240 0 Stack Exit O2 Method 3A O2 3 480 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 Total Particulate Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

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

Filterable Particulate Method 5 3 240 0 Stack Exit Sulfur Dioxide Method 6C 3 180 0 Stack Exit Nitrogen oxides (NOx) Method 7E 3 180 0 Stack Exit



### Friday, February 25, 2011 Page 4 of 13

### Sampling / Stack Data Results Summary



### Location Stack Exit - Method 10 Average Run Number 1 2 3
Test Date 4/14/2010 4/13/2010 4/14/2010 Run Start Time 10:20:00 AM 12:40:00 PM 5:05:00 PM

Run Finish Time 12:20:00 PM 2:58:00 PM 7:11:00 PM Carbon Dioxide, % 7.25 7.61 7.37 7.410 Oxygen, % 12.04 11.5 11.5 11.680 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous
Fw 10640 10640 10640 10,640.000
Fc 1800 1800 1800 1,800.000



### 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



### Friday, February 25, 2011 Page 5 of 13

### Location Stack Exit - 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



### Location Stack Exit - 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



### Friday, February 25, 2011 Page 6 of 13

### Emissions Summary

Process Run Data 

### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 mg/dscm 1.06E+01 2.44E+01 1.72E+01 17.400 ppm 9.10E+00 2.09E+01 1.48E+01 14.933 ppm@7%O2 1.43E+01 3.09E+01 2.19E+01 22.367



### Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 Elb/hr 0.00E+00 0.00E+00 0.00E+00 0.000 gr/dscf 3.71E-03 2.86E-03 2.33E-02 0.010 lb/mmBtuO2 1.22E-02 8.89E-03 7.22E-02 0.031 mg/dscm 8.49E+00 6.55E+00 5.32E+01 22.747 ppm 4.63E+00 3.57E+00 2.90E+01 12.400 ppm@7%O2 7.26E+00 5.28E+00 4.29E+01 18.480



### Friday, February 25, 2011 Page 7 of 13

### Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 0 Million Btus 0


### 2 Heat Input 0 Million Btus 0
3 Heat Input 0 Million Btus 0
1 Average Heat Input 0 MMBtu/hr 0


### 2 Average Heat Input 0 MMBtu/hr 0
3 Average Heat Input 0 MMBtu/hr 0
1 Steam Output 0 1000 lb steam/hr 0


### 2 Steam Output 0 1000 lb steam/hr 0
3 Steam Output 0 1000 lb steam/hr 0
1 Synfuel Firing Rate 0 0


### 2 Synfuel Firing Rate 0 0
3 Synfuel Firing Rate 0 0
1 Petroleum Coke Firing Rate 0 0


### 2 Petroleum Coke Firing Rate 0 0
3 Petroleum Coke Firing Rate 0 0
1 Coal Gas Firing Rate 0 0


### 2 Coal Gas Firing Rate 0 0
3 Coal Gas Firing Rate 0 0
1 Fuel Oil Firing Rate 0 0


### 2 Fuel Oil Firing Rate 0 0
3 Fuel Oil Firing Rate 0 0
1 Flue Gas Flow Rate 0 dscfm 0


### 1 Pressure Drop Across FGD (if applicable) 0 in H20 0
1 FGD Scrubber Liquor pH 0 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 0 % 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 0 atm 0
1 Standard Temperature 0 Deg F 0



### Friday, February 25, 2011 Page 8 of 13

### APCD Run Data

Process Lab Run Data 1 Unit Gross Electrical Output 0 MW 0


### 1 Unit Net Electric Generation 0 MWh 0

Run Name Value UOM Comments Target Value 1 LOW NOX BURNERS 0 0
1 OVERFIRE AIR 0 0


### 1 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 0 0

1 ELECTROSTATIC PRECIPITATOR 0 0


### 1 CAUSTIC SCRUBBER 0 0

Run Name Value UOM Comments 1 Fuel Higher Heating Value 0 Btu/lb 1 Fuel Moisture 0 % 

### 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 0 ppm 

### 1 Fuel Fluorine Content 0 ppm

Friday, February 25, 2011 Page 9 of 13

### Sampling / Stack Data Results Detail



### Location Stack Exit - Method 10 Average Run Number 1 2 3 Test Date 4/14/2010 4/13/2010 4/14/2010 Run Start Time 10:20:00 AM 12:40:00 PM 5:05:00 PM Run Finish Time 12:20:00 PM 2:58:00 PM 7:11:00 PM Carbon Dioxide, % 7.25 7.61 7.37 7.410 Oxygen, % 12.04 11.5 11.5 11.680 Fuel Factor 1.22 1.24 1.28 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 3 3 3 3.000 Calibration Pre Zero Cylinder ID zero zero zero Calibration Pre Zero Cylinder Instrument Response 2.68 2.77 0.22 1.890 Calibration Pre Zero Cylinder Bias 0.55 0.56 0.04 0.383 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC121718 CC121718 CC121718 Calibration Pre High Cylinder Instrument Response 224.85 224.91 227.7 225.820 Calibration Pre High Cylinder Bias -1.17 -1.15 -0.58 -0.967 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID zero zero zero Calibration Post Zero Cylinder Instrument Response 2.77 0.22 -0.42 0.857 Calibration Post Zero Cylinder Bias 0.56 0.04 -0.09 0.170 Calibration Post Zero Cylinder Drift 0.01 0.51 0.64 0.387 Calibration Post High Cylinder ID CC121718 CC121718 CC121718 Calibration Post High Cylinder Instrument Response 224.91 227.7 223.39 225.333 Calibration Post High Cylinder Bias -1.15 -0.58 -1.46 -1.063 Calibration Post High Cylinder Drift 0.02 0.59 0.29 0.300 Cavg 11.4 21.7 14.2 15.767 Cavg Units ppmvd ppmvd ppmvd Cgas 9.0985 20.9411 14.7661 14.935 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Friday, February 25, 2011 Page 10 of 13

### 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



### Friday, February 25, 2011 Page 11 of 13

### Location Stack Exit - 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



### Friday, February 25, 2011 Page 12 of 13

### Location Stack Exit - 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



### Friday, February 25, 2011 Page 13 of 13