### Name: Tracy Patterson

Title: General Manager Company: Cedar Bay Generating Company Sign Date: 7/20/2010 Name: Stephen Webb Title: Air Test Coordinator Company:Coastal Air Consulting Inc. Sign Date: 7/20/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Cedar Bay Generating Plant, ORIS Code 10672

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.

Saturday, January 22, 2011 Page 1 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010 Facility Information: Cedar Bay Generating Plant (ORIS Code:10 9640 Eastport Road(32218)
P.O.Box 26324 Jacksonville Fl32226 Contact:Jeff Walker Phone:904-696-1547 Fax: 904-751-7320 Email: jeffwalker@cogentrix.com Testing Company: Coastal Air Consulting Inc. 245 West Ohio Avenue Suite A Lake Helen Fl32744 Contact:Stephen Webb Phone:386-451-0169 Fax: Email:coastalair123@aol.com

Air Permit Number: 310337-016-AV Permitted Source ID/Name: CBA Permitted Maximum Process Rate: 104000 lbs/hr Max. Normal Operation Process Rate: 90000 lbs/hr Target Process Test Rate 85000 lbs/hr

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: CFB w/limestone injection for acid gas control, SNCR for Nox control, baghouse with pulse air for particulates Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #: FRS #:110000362018

SCC / Description10100218 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Atmospheric Fluidized Bed Combustion: Circulating Bed (Bitum. 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 duct post baghouse 0 237 105 6 117 24 126.6 109 Regulation Description Compound Limit Unit 40 CFR 60, Subpart Da Sulfur Dioxide 0.3 lb/million BTU using CO2 40 CFR 60, Subpart Da Nitrogen oxides (NOx) 0.17 lb/million BTU using CO2 40 CFR Part 60, Subpart Da Carbon Monoxide 0.175 lb/million BTU using CO2 40 CFR Part 60, Subpart Da Total Particulate 0.018 lb/million BTU using CO2 40 CFR Part 60, Subpart Da Total PM10 0.018 lb/million BTU using CO2



### Saturday, January 22, 2011 Page 2 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010

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.
N/A Test Parameter Information: Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Total organic compounds

(TOC) as Propane Method 25A 3 120 0 duct post baghouse Hydrogen Fluoride Method 26A 3 180 0 duct post baghouse Hydrogen Chloride Method 26A 3 180 0 duct post baghouse Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 240 0 duct post baghouse Filterable PM2.5 OTM - 27/28 3 240 0 duct post baghouse Cobalt Method 29 3 240 0 duct post baghouse Selenium Method 29 3 240 0 duct post baghouse Nickel Method 29 3 240 0 duct post baghouse Manganese Method 29 3 240 0 duct post baghouse Lead Method 29 3 240 0 duct post baghouse Arsenic Method 29 3 240 0 duct post baghouse Chromium Method 29 3 240 0 duct post baghouse Beryllium Method 29 3 240 0 duct post baghouse Cadmium Method 29 3 240 0 duct post baghouse Filterable Particulate Method 29 3 240 0 duct post baghouse Antimony Method 29 3 240 0 duct post baghouse



### Saturday, January 22, 2011 Page 3 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010 Sampling / Stack Data Results Summary


### Locationduct post baghouse - Method 25A Average Run Number 1 2 3 Test Date 5/6/2010 5/6/2010 5/6/2010 Run Start Time 11:30:00 AM1:45:00 PM 4:00:00 PM Run Finish Time 1:30:00 PM3:45:00 PM 6:00:00 PM Carbon Dioxide, % 14.44 15.16 14.89 14.830 Oxygen, % 5.02 4.11 4.39 4.507 Dry Volumetric Flow Rate, dry scfm 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 8.3 8.3 8.8 8.467 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Locationduct post baghouse - Method 26A Average Run Number 2 3 1 Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 12:32:00 PM3:50:00 PM 9:10:00 AM Run Finish Time 3:24:30 PM6:42:30 PM12:02:30 PM Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 148.985 160.919 149.018 152.974 Moisture Content of Stack Gas, % 10.07 9.62 6.69 8.793 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 15.5 15.5 15.5 15.500 Oxygen, % 3.4 3.4 3.4 3.400 Average Stack Gas Temperature, °F 331.63 330.58 329.04 330.417 Dry Volumetric Flow Rate, dry scfm 232,041.8 230,602.5 235,635.1 232,759.800 Actual Wet Volumetric Flue Gas Flow Rate, acfm 405,989.1 400,929.4 396,042.1 400,986.867 Percent Isokinetic of Sampling Rate, % 104.4 113.5 102.8 106.900 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



### Saturday, January 22, 2011 Page 4 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010
Location duct post baghouse - Method 29 Average Run Number 1 2 M5-3 Test Date 5/6/2010 5/6/2010 5/7/2010 Run Start Time 11:45:00 AM4:00:00 PM 9:42:00 AM Run Finish Time 3:35:00 PM7:50:00 PM 1:32:00 PM Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 213.292 194.329 219.125 208.915 Moisture Content of Stack Gas, % 8.34 8.77 8.08 8.397 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 14.8 14 14.2 14.333 Oxygen, % 4.5 5.3 5.3 5.033 Average Stack Gas Temperature, °F 331.00 336.54 332.54 333.360 Dry Volumetric Flow Rate, dry scfm 240,597.3 213,873.8 245,167.9233,213.000 Actual Wet Volumetric Flue Gas Flow Rate, acfm 413,118.8 371,548.2 420,593.5401,753.500 Percent Isokinetic of Sampling Rate, % 103.8 106.4 104.7 104.967 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



### Location duct post baghouse - OTM - 27/28 Average Run Number 1 2 3 Test Date 5/4/2010 5/5/2010 5/6/2010 Run Start Time 10:00:00 AM4:26:00 PM 8:32:00 AM Run Finish Time 2:04:00 PM8:45:00 PM 1:25:00 PM Net Run Time, minutes 260.25 286.25 325 Dry Gas Meter Volume Sampled, dscf 90.754 95.167 110.584 98.835 Moisture Content of Stack Gas, % 0.00 0.00 0.00 0.000 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 14.5 14.7 14.5 14.567 Oxygen, % 5 4.6 5 4.867 Average Stack Gas Temperature, °F 326.75 328.00 325.25 326.667 Dry Volumetric Flow Rate, dry scfm 296,406.0 296,631.3 308,984.8 300,674.033 Actual Wet Volumetric Flue Gas Flow Rate, acfm 464,809.0 465,901.4 483,610.6471,440.333 Percent Isokinetic of Sampling Rate, % 79.7 76.0 74.6 76.767 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



### Saturday, January 22, 2011 Page 5 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010 Emissions Summary


### Location: duct post baghouse - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 ppm 4.63E-01 4.03E-01 4.13E-01 0.426 ppm@7%O2 4.05E-01 3.34E-01 3.48E-01 0.362



### Location: duct post baghouse - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 132.849 335.984 291.217 253.350 lb/mmBtuCO2 2.28E-02 5.77E-02 4.63E-02 0.042 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.265 0.326 0.388 0.326 lb/mmBtuCO2 4.55E-05 5.60E-05 6.17E-05 0.000



### Location: duct post baghouse - Method 29 Compound: Antimony Average RunNumber 1 2 M5-3 Mass_mg 0.000307 0.0002 0.0002 0.000 lb/mmBtuCO2 3.86E-08 2.92E-08 2.55E-08 0.000 

### Compound: Arsenic Average RunNumber 1 2 M5-3 Mass_mg 0.001354 0.000651 0.000791 0.001 lb/mmBtuCO2 1.70E-07 9.50E-08 1.01E-07 0.000 

### Compound: Beryllium Average RunNumber 1 2 M5-3 Mass_mg 0.000125 0.000054 0.000116 0.000 lb/mmBtuCO2 1.57E-08 7.88E-09 1.48E-08 0.000 

### Compound: Cadmium Average RunNumber 1 2 M5-3 Mass_mg 0.00096 0.000279 0.001095 0.001 lb/mmBtuCO2 1.21E-07 4.07E-08 1.40E-07 0.000 

### Compound: Chromium Average RunNumber 1 2 M5-3 Mass_mg 0.01082 0.00501 0.00396 0.007 lb/mmBtuCO2 1.36E-06 7.31E-07 5.05E-07 0.000


### Saturday, January 22, 2011 Page 6 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010

Process Run Data Compound: Cobalt Average RunNumber 1 2 M5-3 Mass_mg 0.000759 0.000317 0.000644 0.001 lb/mmBtuCO2 9.54E-08 4.62E-08 8.21E-08 0.000 

### Compound: Filterable Particulate Average RunNumber 1 2 M5-3 Mass_mg 85 26.6 30.6 47.400 lb/mmBtuCO2 1.07E-02 3.88E-03 3.90E-03 0.006 

### Compound: Lead Average RunNumber 1 2 M5-3 Mass_mg 0.00332 0.001569 0.002485 0.002 lb/mmBtuCO2 4.17E-07 2.29E-07 3.17E-07 0.000 

### Compound: Manganese Average RunNumber 1 2 M5-3 Mass_mg 0.00447 0.00417 0.002924 0.004 lb/mmBtuCO2 5.62E-07 6.08E-07 3.73E-07 0.000 

### Compound: Nickel Average RunNumber 1 2 M5-3 Mass_mg 0.00683 0.00377 0.00319 0.005 lb/mmBtuCO2 8.59E-07 5.50E-07 4.07E-07 0.000 

### Compound: Selenium Average RunNumber 1 2 M5-3 Mass_mg 0.002668 0.001467 0.000945 0.002 lb/mmBtuCO2 3.35E-07 2.14E-07 1.21E-07 0.000



### Location: duct post baghouse - OTM - 27/28 Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 0.002 0.003 0.003 0.003 lb/mmBtuCO2 6.03E-07 8.51E-07 7.42E-07 0.000 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 7.9 11.6 11.3 10.267 lb/mmBtuCO2 2.38E-03 3.29E-03 2.80E-03 0.003



### Saturday, January 22, 2011 Page 7 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010 Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Bituminous Coal Burned 44 Tons/hr 45


### 2 Bituminous Coal Burned 43 Tons/hr 45
3 Bituminous Coal Burned 44 Tons/hr 45
4 Bituminous Coal Burned 0 Tons/hr 45 

### 5 Bituminous Coal Burned 0 Tons/hr 45
1 heat input 1100 lbs/mmBtu testing > 956 mmBtu (90%) 1000



### 2 heat input 1075 lbs/mmBtu > 956 lbs/mmBtu (90%) 1000

3 heat input 1094 lbs/mmBtu >956 lbs/mmBtu (90%) 1000



### 4 heat input 0 lbs/mmBtu 1000 5 heat input 0 lbs/mmBtu 1000
1 steam flow 784 klbs/hr 750


### 2 steam flow 785 klbs/hr 750 3 steam flow 797 klbs/hr 750
4 steam flow 0 klbs/hr 750 

### 5 steam flow 0 klbs/hr 750

Run Name Value UOM Comments Target Value 1 FLUID BED DRY SCRUBBER 0.21 lbs/mmbtu 0.25
2 FLUID BED DRY SCRUBBER 0.17 lbs/mmbtu 0.25 

### 3 FLUID BED DRY SCRUBBER 0.17 lbs/mmbtu 0.25
1 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 0.168 lbs/mmBtu 0.16



### 2 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 0.16 lbs/mmBtu 0.16

3 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 0.165 lbs/mmBtu 0.16



### 1 BAGHOUSE 1 opacity 5
2 BAGHOUSE 1 opacity 5 3 BAGHOUSE 1 opacity 5

Run Name ValueUOM Comments 

### Saturday, January 22, 2011 Page 8 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010 Run Name ValueUOM Comments 

### 1 btu value of coal 11797 btu/lb 2 btu value of coal 11797 btu/lb 3 btu value of coal 11797 btu/lb



### Saturday, January 22, 2011 Page 9 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010 Sampling / Stack Data Results Detail


### Locationduct post baghouse - Method 25A Average Run Number 1 2 3 Test Date 5/6/2010 5/6/2010 5/6/2010 Run Start Time 11:30:00 AM1:45:00 PM 4:00:00 PM Run Finish Time 1:30:00 PM3:45:00 PM 6:00:00 PM Carbon Dioxide, % 14.44 15.16 14.89 14.830 Oxygen, % 5.02 4.11 4.39 4.507 Fuel Factor 1.1 1.11 1.11 Dry Volumetric Flow Rate, dry scfm 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Moisture, % 8.3 8.3 8.8 8.467 Analyzer Make Vig Vig Vig Analyzer Model 20 20 20 20.000 Analyzer Serial Number 1591203 1591203 15912031,591,203.0 00 Operating Range 20 20 20 20.000 Operating Units ppm ppm ppm No. Readings/Avg. 120 120 120 120.000 Calibration Set 0 0 0 0.000 Calibration Pre Zero Cylinder ID CC-231298 CC-231298 CC-231298 Calibration Pre Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Pre Zero Cylinder Bias 0 0 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB-0017527EB-0017527EB-0017527 Calibration Pre High Cylinder Instrument Response 5.9 5.9 5.9 5.900 Calibration Pre High Cylinder Bias 0 0 0 0.000 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC-231298 CC-231298 CC-231298 Calibration Post Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Post Zero Cylinder Bias 0 0 0 0.000 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID EB-0017527EB-0017527EB-0017527 Calibration Post High Cylinder Instrument Response 6 6 6 6.000 Calibration Post High Cylinder Bias 0.5 0.5 0.5 0.500 Calibration Post High Cylinder Drift 0.5 0.5 0.5 0.500 Cavg 0.46 0.4 0.41 0.423 Cavg Units ppmvd ppmvd ppmvd Cgas 0.4631 0.4027 0.4128 0.426 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Saturday, January 22, 2011 Page 10 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010
Location duct post baghouse - Method 26A Average Run Number 2 3 1 Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 12:32:00 PM3:50:00 PM 9:10:00 AM Run Finish Time 3:24:30 PM6:42:30 PM12:02:30 PM Net Traversing Points 96 96 23 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.245 0.245 0.245 0.245 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.925 0.925 0.925 0.925 Barometric Pressure, inches of Mercury 29.98 29.98 29.98 29.980 Average Orifice Meter Differential, inches H2O 2.34 2.22 2.24 2.267 Dry Gas Meter Volume Sampled, cubic feet 169.941 179.477 167.813 172.410 Average Dry Gas Meter Temperature, °F 101.42 88.79 94.13 94.780 Dry Gas Meter Volume Sampled, dscf 148.985 160.919 149.018 152.974 Total Moisture Liquid collected, g 354.4 363.7 226.8 314.967 Volume of Water Vapor, standard cubic feet 16.68 17.12 10.68 14.827 Moisture Content of Stack Gas, % 10.07 9.62 6.69 8.793 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8993 0.9038 0.9331 0.912 Carbon Dioxide, % 15.5 15.5 15.5 15.500 Oxygen, % 3.4 3.4 3.4 3.400 Carbon Monoxide & Nitrogen, % 81.1 81.1 81.1 81.100 Fuel Factor 1.13 1.13 1.13 Dry Molecular Weight, lb/lb-Mole 30.62 30.62 30.62 30.620 Wet Molecular weight, lb/lb-Mole 29.35 29.41 29.78 29.513 Flue Gas Static Pressure, inches of H2O -20 -20 -20 -20.000 Absolute Flue Gas Pressure, inches of Mercury 28.51 28.51 28.51 28.510 Average Stack Gas Temperature, °F 331.63 330.58 329.04 330.417 Average Velocity Head, inches of H2O 1.0218690090 73111.000002863

700840.990071181

842926 1.004
Average Stack Gas Velocity, feet/second 70.61 69.73 68.88 69.740 Stack Cross-Sectional Area, square feet 95.829 95.829 95.829 95.829 Dry Volumetric Flow Rate, dry scfm 232,041.8 230,602.5 235,635.1232,759.800 Actual Wet Volumetric Flue Gas Flow Rate, acfm 405,989.1 400,929.4 396,042.1400,986.867 Percent Isokinetic of Sampling Rate, % 104.4 113.5 102.8 106.900 Percent Excess Air, % 18.9 18.9 18.9 18.900 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 126.6 126.6 126.6 Rectangular Duct Length, inches 109 109 109 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Saturday, January 22, 2011 Page 11 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010
Location duct post baghouse - Method 29 Average Run Number 1 2 M5-3 Test Date 5/6/2010 5/6/2010 5/7/2010 Run Start Time 11:45:00 AM4:00:00 PM 9:42:00 AM Run Finish Time 3:35:00 PM7:50:00 PM 1:32:00 PM Net Traversing Points 24 24 24 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.25 0.25 0.25 0.250 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.948 0.948 0.948 0.948 Barometric Pressure, inches of Mercury 29.95 29.95 29.95 29.950 Average Orifice Meter Differential, inches H2O 2.45 1.95 2.55 2.317 Dry Gas Meter Volume Sampled, cubic feet 236.680 215.631 242.297 231.536 Average Dry Gas Meter Temperature, °F 99.33 98.63 97.50 98.487 Dry Gas Meter Volume Sampled, dscf 213.292 194.329 219.125 208.915 Total Moisture Liquid collected, g 412.4 396.8 409.4 406.200 Volume of Water Vapor, standard cubic feet 19.41 18.68 19.27 19.120 Moisture Content of Stack Gas, % 8.34 8.77 8.08 8.397 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9166 0.9123 0.9192 0.916 Carbon Dioxide, % 14.8 14 14.2 14.333 Oxygen, % 4.5 5.3 5.3 5.033 Carbon Monoxide & Nitrogen, % 80.7 80.7 80.5 80.633 Fuel Factor 1.11 1.11 1.10 Dry Molecular Weight, lb/lb-Mole 30.55 30.45 30.48 30.493 Wet Molecular weight, lb/lb-Mole 29.50 29.36 29.47 29.443 Flue Gas Static Pressure, inches of H2O -20 -20 -20 -20.000 Absolute Flue Gas Pressure, inches of Mercury 28.48 28.48 28.48 28.480 Average Stack Gas Temperature, °F 331.00 336.54 332.54 333.360 Average Velocity Head, inches of H2O 1.0633666164 16950.850121205

2714441.098992108

46636 1.004
Average Stack Gas Velocity, feet/second 71.85 64.62 73.15 69.873 Stack Cross-Sectional Area, square feet 95.829 95.829 95.829 95.829 Dry Volumetric Flow Rate, dry scfm 240,597.3 213,873.8 245,167.9233,213.000 Actual Wet Volumetric Flue Gas Flow Rate, acfm 413,118.8 371,548.2 420,593.5401,753.500 Percent Isokinetic of Sampling Rate, % 103.8 106.4 104.7 104.967 Percent Excess Air, % 26.8 33.1 33.2 31.033 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 126.6 126.6 126.6 Rectangular Duct Length, inches 109 109 109 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Saturday, January 22, 2011 Page 12 of 13

### Cedar Bay Generating Plant, ORIS Code 10672
7/20/2010
Location duct post baghouse - OTM - 27/28 Average Run Number 1 2 3 Test Date 5/4/2010 5/5/2010 5/6/2010 Run Start Time 10:00:00 AM4:26:00 PM 8:32:00 AM Run Finish Time 2:04:00 PM8:45:00 PM 1:25:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 260.25 286.25 325 Nozzle Diameter, inches 0.161 0.161 0.161 0.161 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.925 0.925 0.925 0.925 Barometric Pressure, inches of Mercury 29.9 29.9 29.9 29.900 Average Orifice Meter Differential, inches H2O 0.50 0.40 0.49 0.463 Dry Gas Meter Volume Sampled, cubic feet 102.483 107.428 122.768 110.893 Average Dry Gas Meter Temperature, °F 91.83 91.50 82.50 88.610 Dry Gas Meter Volume Sampled, dscf 90.754 95.167 110.584 98.835 Total Moisture Liquid collected, g 0 0 0 0.000 Volume of Water Vapor, standard cubic feet 0.00 0.00 0.00 0.000 Moisture Content of Stack Gas, % 0.00 0.00 0.00 0.000 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 1 1 1 1.000 Carbon Dioxide, % 14.5 14.7 14.5 14.567 Oxygen, % 5 4.6 5 4.867 Carbon Monoxide & Nitrogen, % 80.5 80.7 80.5 80.567 Fuel Factor 1.10 1.11 1.10 Dry Molecular Weight, lb/lb-Mole 30.52 30.54 30.52 30.527 Wet Molecular weight, lb/lb-Mole 30.52 30.54 30.52 30.527 Flue Gas Static Pressure, inches of H2O -20 -20 -20 -20.000 Absolute Flue Gas Pressure, inches of Mercury 28.43 28.43 28.43 28.430 Average Stack Gas Temperature, °F 326.75 328.00 325.25 326.667 Average Velocity Head, inches of H2O 1.3975295569 18131.402809163

012561.515883275

78743 1.439
Average Stack Gas Velocity, feet/second 80.84 81.03 84.11 81.993 Stack Cross-Sectional Area, square feet 95.829 95.829 95.829 95.829 Dry Volumetric Flow Rate, dry scfm 296,406.0 296,631.3 308,984.8300,674.033 Actual Wet Volumetric Flue Gas Flow Rate, acfm 464,809.0 465,901.4 483,610.6471,440.333 Percent Isokinetic of Sampling Rate, % 79.7 76.0 74.6 76.767 Percent Excess Air, % 30.8 27.5 30.8 29.700 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 126.6 126.6 126.6 Rectangular Duct Length, inches 109 109 109 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Saturday, January 22, 2011 Page 13 of 13