### Name: William M. Swahl

Title: General Manager Company: Exelon Generation Company, LLC Sign Date: Name: Ken Hill Title: Project Manager Company: Weston Solutions, Inc. 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 25

### Facility Information:

Eddystone Generating Station 1 Industrial Highway

Eddystone PA 19146 Contact: Joe Kuklinski
Phone: 610-595-8113
Fax:
Email: joseph.kuklinski@exeloncorp.com Testing Company: Weston Solutions, Inc. 1400 Weston Way

West Chester PA 19380 Contact: Ken Hill
Phone: 610-701-3043
Fax:
Email: k.hill@westonsolutions.com

Air Permit Number: 3161 Permitted Source ID/Name: Unit 4 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: See full stack testing report. Industry/SCC/NAIS 221112

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
Stack 288 1392 144 4 0 6 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location
Carbon Monoxide Method 10 3 120 0 Stack 2,3,7,8-TCDD Method 23 3 480 0 Stack 1,2,3,7,8-PeCDD Method 23 3 480 0 Stack 1,2,3,4,7,8-HxCDD Method 23 3 480 0 Stack 1,2,3,6,7,8-HxCDD Method 23 3 480 0 Stack 1,2,3,7,8,9-HxCDD Method 23 3 480 0 Stack 1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 Stack OCDD Method 23 3 480 0 Stack



### Friday, February 25, 2011 Page 2 of 252,3,7,8-TCDF Method 23 3 480 0

Stack 1,2,3,7,8-PeCDF Method 23 3 480 0 Stack 2,3,4,7,8-PeCDF Method 23 3 480 0 Stack 1,2,3,4,7,8-HxCDF Method 23 3 480 0 Stack 1,2,3,6,7,8-HxCDF Method 23 3 480 0 Stack 2,3,4,6,7,8-HxCDF Method 23 3 480 0 Stack 1,2,3,7,8,9-HxCDF Method 23 3 480 0 Stack 1,2,3,4,6,7,8-HpCDF Method 23 3 480 0 Stack 1,2,3,4,7,8,9-HpCDF Method 23 3 480 0 Stack OCDF Method 23 3 480 0 Stack 3,3',4,4'-TCB (PCB77) Method 23 3 480 0 Stack 3,4,4',5-TCB (PCB81) Method 23 3 480 0 Stack 2,3,3',4,4'-PeCB (PCB105) Method 23 3 480 0 Stack 2,3,4,4',5-PeCB (PCB114) Method 23 3 480 0 Stack 2,3',4,4',5-PeCB (PCB118) Method 23 3 480 0 Stack 2',3,4,4',5-PeCB (PCB123) Method 23 3 480 0 Stack 3,3',4,4',5-PeCB (PCB126) Method 23 3 480 0 Stack 2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157) Method 23 3 480 0 Stack

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

(PCB189) Method 23 3 480 0 Stack

Total organic compounds

(TOC) as Propane Method 25A 3 120 0 Stack

Organic Condensible

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

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

Inorganic (Aqueous)

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

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

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

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

Nickel Method 29 3 240 0 Stack Antimony Method 29 3 240 0 Stack Arsenic Method 29 3 240 0 Stack Beryllium Method 29 3 240 0 Stack Cadmium Method 29 3 240 0 Stack Chromium Method 29 3 240 0 Stack Manganese Method 29 3 240 0 Stack Phosphorus (yellow or white) Method 29 3 240 0 Stack Selenium Method 29 3 240 0 Stack Filterable Particulate Method 29 3 240 0 Stack Cobalt Method 29 3 240 0 Stack



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

### 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.

Lead Method 29 3 240 0 Stack Co2 Method 3A CO2 3 120 0 Stack O2 Method 3A O2 3 120 0 Stack



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

### Sampling / Stack Data Results Summary



### Location Stack - Method 10 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 - Method 23 Average Run Number 1 2 3
Test Date 7/20/2010 7/21/2010 7/22/2010
Run Start Time 11:53:00 AM 9:25:00 AM 10:10:00 AM

Run Finish Time 8:44:00 PM 6:00:00 PM 6:35:00 PM Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 316.781 306.343 315.198 312.774 Moisture Content of Stack Gas, % 16.97 17.71 15.93 16.870 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 9.1 9 9.1 9.067 Oxygen, % 6 6.4 5.8 6.067 Average Stack Gas Temperature, °F 408.25 411.73 408.82 409.600 Dry Volumetric Flow Rate, dry scfm 1,319,470.5 1,298,176.9 1,356,527.5 1,324,724.96 7 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,607,117.8 2,597,617.6 2,645,389.9 2,616,708.43 3 Percent Isokinetic of Sampling Rate, % 103.7 101.9 100.4 102.000 F-Factor, dscfm/MMBtu @ %O2 8825 8816 8792 8,811.000
Fw
Fc



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

### Location Stack - 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



### Location Stack - Method 29 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



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

### Location 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



### Location 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



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

### Location Stack - OTM - 27/28 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



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

### Emissions Summary



### Location: Stack - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 4.78E-02 1.59E-01 3.13E-01 0.173 ppm 5.18E+01 1.80E+02 3.56E+02 195.933 ppm@7%O2 4.97E+01 1.66E+02 3.26E+02 180.567



### Location: Stack - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 1 2 3 Mass_mg 0.000000003 0.0000000059 0.000000003 0.000 lb/mmBtuO2 2.58E-13 5.40E-13 2.55E-13 0.000 ng/dscm 3.34E-04 6.80E-04 3.36E-04 0.000 ng/dscm@7%O2 3.12E-04 6.52E-04 3.09E-04 0.000


### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000062 0.0000000069 0.0000000034 0.000 lb/mmBtuO2 5.34E-13 6.31E-13 2.89E-13 0.000 ng/dscm 6.91E-04 7.96E-04 3.81E-04 0.001 ng/dscm@7%O2 6.45E-04 7.63E-04 3.51E-04 0.001


### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000042 0.0000000025 0.0000000025 0.000 lb/mmBtuO2 3.62E-13 2.29E-13 2.13E-13 0.000 ng/dscm 4.68E-04 2.88E-04 2.80E-04 0.000 ng/dscm@7%O2 4.37E-04 2.76E-04 2.58E-04 0.000


### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000032 0.0000000031 0.0000000021 0.000 lb/mmBtuO2 2.76E-13 2.83E-13 1.79E-13 0.000 ng/dscm 3.57E-04 3.57E-04 2.35E-04 0.000 ng/dscm@7%O2 3.33E-04 3.42E-04 2.16E-04 0.000


### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000027 0.0000000022 0.000000002 0.000 lb/mmBtuO2 2.33E-13 2.01E-13 1.70E-13 0.000 ng/dscm 3.01E-04 2.54E-04 2.24E-04 0.000 ng/dscm@7%O2 2.81E-04 2.43E-04 2.06E-04 0.000


### Compound: 1,2,3,6,7,8-HxCDD Average



### Friday, February 25, 2011 Page 9 of 25RunNumber 1 2 3 Mass_mg 0.0000000034 0.0000000033 0.0000000022 0.000 lb/mmBtuO2 2.93E-13 3.02E-13 1.87E-13 0.000 ng/dscm 3.79E-04 3.80E-04 2.47E-04 0.000 ng/dscm@7%O2 3.54E-04 3.64E-04 2.27E-04 0.000


### Compound: 1,2,3,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000026 0.0000000021 0.0000000019 0.000 lb/mmBtuO2 2.24E-13 1.92E-13 1.62E-13 0.000 ng/dscm 2.90E-04 2.42E-04 2.13E-04 0.000 ng/dscm@7%O2 2.71E-04 2.32E-04 1.96E-04 0.000


### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000031 0.000000003 0.000000002 0.000 lb/mmBtuO2 2.67E-13 2.74E-13 1.70E-13 0.000 ng/dscm 3.46E-04 3.46E-04 2.24E-04 0.000 ng/dscm@7%O2 3.23E-04 3.32E-04 2.06E-04 0.000


### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000033 0.0000000027 0.0000000024 0.000 lb/mmBtuO2 2.84E-13 2.47E-13 2.04E-13 0.000 ng/dscm 3.68E-04 3.11E-04 2.69E-04 0.000 ng/dscm@7%O2 3.43E-04 2.98E-04 2.48E-04 0.000


### Compound: 1,2,3,7,8-PeCDD Average RunNumber 1 2 3 Mass_mg 0.0000000022 0.0000000028 0.0000000026 0.000 lb/mmBtuO2 1.90E-13 2.56E-13 2.21E-13 0.000 ng/dscm 2.45E-04 3.23E-04 2.91E-04 0.000 ng/dscm@7%O2 2.29E-04 3.10E-04 2.68E-04 0.000


### Compound: 1,2,3,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000027 0.0000000029 0.0000000031 0.000 lb/mmBtuO2 2.33E-13 2.65E-13 2.64E-13 0.000 ng/dscm 3.01E-04 3.34E-04 3.47E-04 0.000 ng/dscm@7%O2 2.81E-04 3.20E-04 3.19E-04 0.000


### Compound: 2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 1 2 3 Mass_mg 0.0000000076 0.0000000086 0.0000000081 0.000 lb/mmBtuO2 6.55E-13 7.86E-13 6.89E-13 0.000 ng/dscm 8.47E-04 9.92E-04 9.08E-04 0.001 ng/dscm@7%O2 7.90E-04 9.51E-04 8.36E-04 0.001



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

### Compound: 2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 1 2 3 Mass_mg 0.000000017 0.000000021 0.000000017 0.000 lb/mmBtuO2 1.46E-12 1.92E-12 1.45E-12 0.000 ng/dscm 1.90E-03 2.42E-03 1.90E-03 0.002 ng/dscm@7%O2 1.77E-03 2.32E-03 1.75E-03 0.002


### Compound: 2,3,3',4,4'-PeCB (PCB105) Average RunNumber 1 2 3 Mass_mg 0.000000044 0.000000048 0.000000019 0.000 lb/mmBtuO2 3.79E-12 4.39E-12 1.62E-12 0.000 ng/dscm 4.91E-03 5.53E-03 2.13E-03 0.004 ng/dscm@7%O2 4.58E-03 5.30E-03 1.96E-03 0.004


### Compound: 2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 1 2 3 Mass_mg 0.0000000055 0.000000012 0.0000000085 0.000 lb/mmBtuO2 4.74E-13 1.10E-12 7.23E-13 0.000 ng/dscm 6.13E-04 1.38E-03 9.52E-04 0.001 ng/dscm@7%O2 5.72E-04 1.32E-03 8.76E-04 0.001


### Compound: 2,3,4,4',5-PeCB (PCB114) Average RunNumber 1 2 3 Mass_mg 0.0000000067 0.0000000074 0.0000000083 0.000 lb/mmBtuO2 5.77E-13 6.77E-13 7.06E-13 0.000 ng/dscm 7.47E-04 8.53E-04 9.30E-04 0.001 ng/dscm@7%O2 6.97E-04 8.18E-04 8.56E-04 0.001


### Compound: 2,3',4,4',5-PeCB (PCB118) Average RunNumber 1 2 3 Mass_mg 0.00000013 0.00000016 0.000000074 0.000 lb/mmBtuO2 1.12E-11 1.46E-11 6.30E-12 0.000 ng/dscm 1.45E-02 1.84E-02 8.29E-03 0.014 ng/dscm@7%O2 1.35E-02 1.76E-02 7.63E-03 0.013


### Compound: 2',3,4,4',5-PeCB (PCB123) Average RunNumber 1 2 3 Mass_mg 0.0000000068 0.0000000076 0.0000000085 0.000 lb/mmBtuO2 5.86E-13 6.95E-13 7.23E-13 0.000 ng/dscm 7.58E-04 8.76E-04 9.52E-04 0.001 ng/dscm@7%O2 7.07E-04 8.40E-04 8.76E-04 0.001


### Compound: 2,3,4,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.000000003 0.0000000025 0.0000000022 0.000 lb/mmBtuO2 2.58E-13 2.29E-13 1.87E-13 0.000



### Friday, February 25, 2011 Page 11 of 25ng/dscm 3.34E-04 2.88E-04 2.47E-04 0.000 ng/dscm@7%O2 3.12E-04 2.76E-04 2.27E-04 0.000


### Compound: 2,3,4,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000026 0.0000000028 0.0000000031 0.000 lb/mmBtuO2 2.24E-13 2.56E-13 2.64E-13 0.000 ng/dscm 2.90E-04 3.23E-04 3.47E-04 0.000 ng/dscm@7%O2 2.71E-04 3.10E-04 3.19E-04 0.000


### Compound: 2,3,7,8-TCDD Average RunNumber 1 2 3 Mass_mg 0.0000000025 0.0000000022 0.0000000033 0.000 lb/mmBtuO2 2.15E-13 2.01E-13 2.81E-13 0.000 ng/dscm 2.79E-04 2.54E-04 3.70E-04 0.000 ng/dscm@7%O2 2.60E-04 2.43E-04 3.41E-04 0.000


### Compound: 2,3,7,8-TCDF Average RunNumber 1 2 3 Mass_mg 0.0000000021 0.0000000028 0.000000002 0.000 lb/mmBtuO2 1.81E-13 2.56E-13 1.70E-13 0.000 ng/dscm 2.34E-04 3.23E-04 2.24E-04 0.000 ng/dscm@7%O2 2.18E-04 3.10E-04 2.06E-04 0.000


### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 1 2 3 Mass_mg 0.0000000054 0.0000000068 0.0000000082 0.000 lb/mmBtuO2 4.65E-13 6.22E-13 6.98E-13 0.000 ng/dscm 6.02E-04 7.84E-04 9.19E-04 0.001 ng/dscm@7%O2 5.62E-04 7.52E-04 8.46E-04 0.001


### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 1 2 3 Mass_mg 0.0000000068 0.0000000075 0.0000000084 0.000 lb/mmBtuO2 5.86E-13 6.86E-13 7.15E-13 0.000 ng/dscm 7.58E-04 8.65E-04 9.41E-04 0.001 ng/dscm@7%O2 7.07E-04 8.29E-04 8.66E-04 0.001


### Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 1 2 3 Mass_mg 0.000000015 0.000000017 0.000000012 0.000 lb/mmBtuO2 1.29E-12 1.55E-12 1.02E-12 0.000 ng/dscm 1.67E-03 1.96E-03 1.34E-03 0.002 ng/dscm@7%O2 1.56E-03 1.88E-03 1.23E-03 0.002


### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 1 2 3



### Friday, February 25, 2011 Page 12 of 25Mass_mg 0.0000000084 0.0000000089 0.000000012 0.000 lb/mmBtuO2 7.24E-13 8.14E-13 1.02E-12 0.000 ng/dscm 9.37E-04 1.03E-03 1.34E-03 0.001 ng/dscm@7%O2 8.74E-04 9.87E-04 1.23E-03 0.001


### Compound: OCDD Average RunNumber 1 2 3 Mass_mg 0.0000000213 0.0000000252 0.0000000165 0.000 lb/mmBtuO2 1.83E-12 2.30E-12 1.40E-12 0.000 ng/dscm 2.37E-03 2.91E-03 1.85E-03 0.002 ng/dscm@7%O2 2.21E-03 2.79E-03 1.70E-03 0.002


### Compound: OCDF Average RunNumber 1 2 3 Mass_mg 0.0000000076 0.0000000057 0.0000000039 0.000 lb/mmBtuO2 6.55E-13 5.21E-13 3.32E-13 0.000 ng/dscm 8.47E-04 6.57E-04 4.37E-04 0.001 ng/dscm@7%O2 7.90E-04 6.30E-04 4.02E-04 0.001



### Location: Stack - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 1.76E-04 5.16E-04 0.00E+00 0.000 ppm 1.21E-01 3.70E-01 0.00E+00 0.164 ppm@7%O2 1.16E-01 3.41E-01 0.00E+00 0.152



### Location: Stack - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.103 0.0945 0.112 0.103 lb/mmBtuO2 1.85E-05 1.64E-05 1.94E-05 0.000


### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00285 0.003 0.0035 0.003 lb/mmBtuO2 5.11E-07 5.21E-07 6.07E-07 0.000


### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00075 0.00075 0.00075 0.001 lb/mmBtuO2 1.35E-07 1.30E-07 1.30E-07 0.000


### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.000875 0.00222 0.00127 0.001 lb/mmBtuO2 1.57E-07 3.86E-07 2.20E-07 0.000


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

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.008145 0.00169 0.00197 0.004 lb/mmBtuO2 1.46E-06 2.94E-07 3.41E-07 0.000


### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.018 0.01675 0.01925 0.018 lb/mmBtuO2 3.23E-06 2.91E-06 3.34E-06 0.000


### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 19.7 19.7 40 26.467 lb/mmBtuO2 3.53E-03 3.42E-03 6.93E-03 0.005


### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.00791 0.00591 0.00686 0.007 lb/mmBtuO2 1.42E-06 1.03E-06 1.19E-06 0.000


### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.04015 0.0344 0.0387 0.038 lb/mmBtuO2 7.20E-06 5.98E-06 6.71E-06 0.000


### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.2986 0.25746 0.3127 0.290 lb/mmBtuO2 5.36E-05 4.47E-05 5.42E-05 0.000


### Compound: Phosphorus (yellow or white) Average RunNumber 1 2 3 Mass_mg 0.0623 0.06325 0.07275 0.066 lb/mmBtuO2 1.12E-05 1.10E-05 1.26E-05 0.000


### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.0075 0.0075 0.0075 0.008 lb/mmBtuO2 1.35E-06 1.30E-06 1.30E-06 0.000



### Location: Stack - OTM - 27/28 Compound: Filterable Particulate Average RunNumber 1 2 3



### Friday, February 25, 2011 Page 14 of 25

### Process Run Data Mass_mg 16.7 16 24.5 19.067 lb/mmBtuO2 3.81E-03 3.38E-03 5.36E-03 0.004


### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 12.7 14.5 24.4 17.200 lb/mmBtuO2 2.90E-03 3.06E-03 5.34E-03 0.004


### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 22 12 27 20.333 lb/mmBtuO2 5.02E-03 2.54E-03 5.91E-03 0.004


### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 1 1.9 2.1 1.667 lb/mmBtuO2 2.28E-04 4.01E-04 4.60E-04 0.000


### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 39.7 29.9 53.6 41.067 lb/mmBtuO2 9.06E-03 6.32E-03 1.17E-02 0.009


### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 35.7 28.4 53.5 39.200 lb/mmBtuO2 8.15E-03 6.00E-03 1.17E-02 0.009



### Friday, February 25, 2011 Page 15 of 25

### Process Run Data



### Run Name Value UOM Comments Target Value 1 Average Heat Input 4975.4 MMBtu/hr Period: 7/20, 1200-2100; Runs: M23-1 0

1 Steam Output 3157 1000 lb steam/hr Period: 7/20, 1200-2100; Runs: M23-1 0



### 1 Fuel Oil Firing Rate 61 1000 lb oil/hr Period: 7/20, 1200-2100; Runs: M23-1 0

1 Unit Gross Electrical Output 484 MW Period: 7/20, Full day; Runs: M23-1 0

1 Unit Net Electric Generation 468 MWh Period: 7/20, Full day; Runs: M23-1 0



### 1 Natural Gas Firing Rate 3829 MSCF/hr Period: 7/20, 1200-2100; Runs: M23-1 0

2 Average Heat Input 4960.8 MMBtu/hr Period: 7/21, 0900-1800; Runs: M23-2, OTM27/28-1, M29-1, 10/25A/3A-1 0



### 2 Steam Output 3996 1000 lb steam/hr Period: 7/21, 0900-1800; Runs: M23-2, OTM27/28-1, M29-1, 10/25A/3A-1 0

2 Fuel Oil Firing Rate 62 1000 lb oil/hr Period: 7/21, 0900-1800; Runs: M23-2, OTM27/28-1, M29-1, 10/25A/3A-1 0



### 2 Unit Gross Electrical Output 481 MW Period: 7/21, Full day; Runs: M23- 2, OTM27/28-1, M29-1, 10/25A/3A-1 0

2 Unit Net Electric Generation 455 MWh Period: 7/21, Full day; Runs: M23- 2, OTM27/28-1, M29-1, 10/25A/3A-1 0

Friday, February 25, 2011 Page 16 of 25

### 2 Natural Gas Firing Rate 3996 MSCF/hr Period: 7/21, 0900-1800; Runs: M23-2, OTM27/28-1, M29-1, 10/25A/3A-1 0



### 3 Average Heat Input 4870.9 MMBtu/hr Period: 7/22, 1000-1900; Runs: M23-3, OTM27/28-2, M29-2, 10/25A/3A-2 0

3 Steam Output 3151 1000 lb steam/hr Period: 7/22, 1000-1900; Runs: M23-3, OTM27/28-2, M29-2, 10/25A/3A-2 0



### 3 Fuel Oil Firing Rate 47 1000 lb oil/hr Period: 7/22, 1000-1900; Runs: M23-3, OTM27/28-2, M29-2, 10/25A/3A-2 0

3 Unit Gross Electrical Output 477 MW Period: 7/22, Full day; Runs: M23- 3, OTM27/28-2, M29-2, 10/25A/3A-2 0

3 Unit Net Electric Generation 451 MWh Period: 7/22, Full day; Runs: M23- 3, OTM27/28-2, M29-2, 10/25A/3A-2 0

3 Natural Gas Firing Rate 4096 MSCF/hr Period: 7/22, 1000-1900; Runs: M23-3, OTM27/28-2, M29-2, 10/25A/3A-2 0



### 4 Average Heat Input 4958.5 MMBtu/hr Period: 7/23, 1000-1700; Runs: OTM27/28-3, M29-3, 10/25A/3A-3 0

4 Steam Output 3154 1000 lb steam/hr Period: 7/23, 1000-1700; Runs: OTM27/28-3, M29-3, 10/25A/3A-3 0



### Friday, February 25, 2011 Page 17 of 25

### APCD Run Data

Process Lab Run Data 4 Fuel Oil Firing Rate 47 1000 lb oil/hr Period: 7/23, 1000-1700; Runs: OTM27/28-3, M29-3, 10/25A/3A-3 0



### 4 Unit Gross Electrical Output 485 MW Period: 7/23, Full day; Runs: OTM27/28-3, M29-3, 10/25A/3A-3 0

4 Unit Net Electric Generation 459 MWh Period: 7/23, Full day; Runs: OTM27/28-3, M29-3, 10/25A/3A-3 0

4 Natural Gas Firing Rate 4205 MSCF/hr Period: 7/23, 1000-1700; Runs: OTM27/28-3, M29-3, 10/25A/3A-3 0



### Run Name Value UOM Comments Target Value 1 0 0

Run Name Value UOM Comments 

### 1 See 4b Comments. 0

Friday, February 25, 2011 Page 18 of 25

### Sampling / Stack Data Results Detail



### Location Stack - Method 10 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 19 of 25

### Location Stack - Method 23 Average

Run Number 1 2 3 Test Date 7/20/2010 7/21/2010 7/22/2010 Run Start Time 11:53:00 AM 9:25:00 AM 10:10:00 AM Run Finish Time 8:44:00 PM 6:00:00 PM 6:35:00 PM Net Traversing Points 96 96 96 Net Run Time, minutes 480 480 480 Nozzle Diameter, inches 0.2 0.2 0.2 0.200 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9976 0.9976 0.9976 0.998 Barometric Pressure, inches of Mercury 30.05 30.06 30.09 30.067 Average Orifice Meter Differential, inches H2O 1.71 1.57 1.63 1.637 Dry Gas Meter Volume Sampled, cubic feet 333.517 325.056 327.184 328.586 Average Dry Gas Meter Temperature, °F 99.30 103.68 92.06 98.347 Dry Gas Meter Volume Sampled, dscf 316.781 306.343 315.198 312.774 Total Moisture Liquid collected, g 1375.8 1400.8 1268.9 1,348.500 Volume of Water Vapor, standard cubic feet 64.76 65.94 59.73 63.477 Moisture Content of Stack Gas, % 16.97 17.71 15.93 16.870 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8303 0.8229 0.8407 0.831 Carbon Dioxide, % 9.1 9 9.1 9.067 Oxygen, % 6 6.4 5.8 6.067 Carbon Monoxide & Nitrogen, % 84.9 84.6 85.1 84.867 Fuel Factor 1.64 1.61 1.66 Dry Molecular Weight, lb/lb-Mole 29.70 29.70 29.69 29.697 Wet Molecular weight, lb/lb-Mole 27.71 27.63 27.83 27.723 Flue Gas Static Pressure, inches of H2O -0.83 -0.85 -0.8 -0.827 Absolute Flue Gas Pressure, inches of Mercury 29.99 30.00 30.03 30.007 Average Stack Gas Temperature, °F 408.25 411.73 408.82 409.600 Average Velocity Head, inches of H2O 1.7123837882 1962 1.688640976

96182 1.771630177

08843 1.724

Average Stack Gas Velocity, feet/second 96.05 95.70 97.46 96.403 Stack Cross-Sectional Area, square feet 452.389 452.389 452.389 452.389 Dry Volumetric Flow Rate, dry scfm 1,319,470.5 1,298,176.9 1,356,527.5 1,324,724.9 67 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,607,117.8 2,597,617.6 2,645,389.9 2,616,708.4 33 Percent Isokinetic of Sampling Rate, % 103.7 101.9 100.4 102.000 Percent Excess Air, % 36.6 40.2 34.8 37.200 F-Factor, dscfm/MMBtu @ %O2 8825 8816 8792 8,811.000 Round Duct Diameter, inches 288 288 288 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw Fc



### Friday, February 25, 2011 Page 20 of 25

### Location Stack - 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 21 of 25

### Location Stack - Method 29 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



### Friday, February 25, 2011 Page 22 of 25

### Location 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



### Friday, February 25, 2011 Page 23 of 25

### Location 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



### Friday, February 25, 2011 Page 24 of 25

### Location Stack - OTM - 27/28 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



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