### Name: Julie Metts, P.E.

Title: Supervisor, Air Quality Company: Santee Cooper Sign Date: 6/4/2010 Name: Craig McKenzie Title: Senior Project Manager Company:GEL, Engineering, LLC Sign Date: 6/4/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Santee Cooper - Winyah Unit #1, ICR Testing

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.

Thursday, February 03, 2011 Page 1 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 Facility Information: Santee Cooper - Winyah Generating Station 661 Steam Plant Drive

Georgetown SC29440 Contact:Julie Metts, P.E. Phone:843-761-8000, Ext. 4688 Fax: 843-761-4156 Email:jjmetts@santeecooper.com Testing Company: GEL Engineering, LLC 2040 Savage Road

Charleston SC29407 Contact:Craig McKenzie Phone:843-769-7378 Fax: 843-769-7397 Email:cam2@gel.com

Air Permit Number: 1140-0005-B01 Permitted Source ID/Name: Coal Fire Boiler Unit #1 Permitted Maximum Process Rate: 2,660 MMBtu/hr with Steam Turbine Max. Normal Operation Process Rate: 2,660 MMBtu/hr with Steam Tu Target Process Test Rate 2,660 MMBtu/hr with Stea

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Coal-Fired Boiler for Electric Generation, LNB, SCR, ESP, & FGD Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:4504300005 FRS #:4911

SCC / Description10100202 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 exhaust 240 2496 612 4 0 16 0 0

Target Parameter Test Method Number of

Test RunsTest Run

DurationSample

Points Comments Location2,3,7,8-TCDD Method 23 3 480 0 stack exhaust1,2,3,7,8-PeCDD Method 23 3 480 0 stack exhaust1,2,3,4,7,8-HxCDD Method 23 3 480 0 stack exhaust1,2,3,6,7,8-HxCDD Method 23 3 480 0 stack exhaust1,2,3,7,8,9-HxCDD Method 23 3 480 0 stack exhaust1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 stack exhaust Regulation Description Compound Limit Unit NA 0



### Thursday, February 03, 2011 Page 2 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010

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. NA OCDD Method 23 3 480 0 stack exhaust2,3,7,8-TCDF Method 23 3 480 0 stack exhaust1,2,3,7,8-PeCDF Method 23 3 480 0 stack exhaust2,3,4,7,8-PeCDF Method 23 3 480 0 stack exhaust1,2,3,4,7,8-HxCDF Method 23 3 480 0 stack exhaust1,2,3,6,7,8-HxCDF Method 23 3 480 0 stack exhaust2,3,4,6,7,8-HxCDF Method 23 3 480 0 stack exhaust1,2,3,7,8,9-HxCDF Method 23 3 480 0 stack exhaust1,2,3,4,6,7,8-HpCDF Method 23 3 480 0 stack exhaust1,2,3,4,7,8,9-HpCDF Method 23 3 480 0 stack exhaustOCDF Method 23 3 480 0 stack exhaustOther TCDD Method 23 3 480 0 stack exhaustOther PeCDD Method 23 3 480 0 stack exhaustOther HxCDD Method 23 3 480 0 stack exhaustOther HpCDD Method 23 3 480 0 stack exhaustOther TCDF Method 23 3 480 0 stack exhaustOther PeCDF Method 23 3 480 0 stack exhaustOther HxCDF Method 23 3 480 0 stack exhaustOther HpCDF Method 23 3 480 0 stack exhaust3,3',4,4'-TCB (PCB77) Method 23 3 480 0 stack exhaust3,4,4',5-TCB (PCB81) Method 23 3 480 0 stack exhaust2,3,3',4,4'-PeCB (PCB105) Method 23 3 480 0 stack exhaust2,3,4,4',5-PeCB (PCB114) Method 23 3 480 0 stack exhaust2,3',4,4',5-PeCB (PCB118) Method 23 3 480 0 stack exhaust2',3,4,4',5-PeCB (PCB123) Method 23 3 480 0 stack exhaust3,3',4,4',5-PeCB (PCB126) Method 23 3 480 0 stack exhaust2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157) Method 23 3 480 0 stack exhaust
2,3',4,4',5,5'-HxCB (PCB167)Method 23 3 480 0 stack exhaust3,3',4,4',5,5'-HxCB (PCB169)Method 23 3 480 0 stack exhaust2,3,3',4,4',5,5'-HpCB

(PCB189) Method 23 3 480 0 stack exhaust
Total TEQ Method 23 3 480 0 stack exhaust



### Thursday, February 03, 2011 Page 3 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 Sampling / Stack Data Results Summary


### Locationstack exhaust - Method 23 Average Run Number 1 2 3 Test Date 4/26/20104/27/2010 4/27/2010 Run Start Time 12:35:00 PM 6:15:00 AM2:45:00 PM

Run Finish Time 8:40:00 PM2:20:00 PM10:53:00 PM Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 256.974 251.347 262.731 257.017 Moisture Content of Stack Gas, % 12.38 11.59 12.25 12.073 Moisture Saturation at Stack Gas Temperature, % 12.82 12.58 12.64 12.680 Carbon Dioxide, % 11.85 11.8 12.1 11.917 Oxygen, % 7.05 7.5 7.3 7.283 Average Stack Gas Temperature, °F 123.38 122.69 123.00 123.023 Dry Volumetric Flow Rate, dry scfm 713,049.1 705,960.4 714,425.8711,145.100 Actual Wet Volumetric Flue Gas Flow Rate, acfm 912,883.2 894,976.2 909,301.8905,720.400 Percent Isokinetic of Sampling Rate, % 98.1 96.9 100.1 98.367 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



### Thursday, February 03, 2011 Page 4 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 Emissions Summary


### Location: stack exhaust - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000646 0.0000000387 0.0000000121 0.000 Elb/hr 2.37E-08 1.44E-08 4.35E-09 0.000 lb/mmBtuO2 8.18E-12 5.18E-12 1.53E-12 0.000 ng/dscm 8.88E-03 5.44E-03 1.63E-03 0.005 ng/dscm@7%O2 8.91E-03 5.64E-03 1.67E-03 0.005 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 1 2 3 Mass_mg 0.000000151 0.000000062 0.0000000175 0.000 Elb/hr 5.54E-08 2.30E-08 6.29E-09 0.000 lb/mmBtuO2 1.91E-11 8.30E-12 2.21E-12 0.000 ng/dscm 2.08E-02 8.71E-03 2.35E-03 0.011 ng/dscm@7%O2 2.09E-02 9.04E-03 2.40E-03 0.011 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000398 0.0000000042 0.0000000035 0.000 Elb/hr 1.46E-08 1.56E-09 1.26E-09 0.000 lb/mmBtuO2 5.04E-12 5.62E-13 4.41E-13 0.000 ng/dscm 5.47E-03 5.90E-04 4.71E-04 0.002 ng/dscm@7%O2 5.49E-03 6.12E-04 4.81E-04 0.002 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000492 0.00000000532 0.00000000208 0.000 Elb/hr 1.81E-09 1.98E-09 7.48E-10 0.000 lb/mmBtuO2 6.23E-13 7.12E-13 2.62E-13 0.000 ng/dscm 6.76E-04 7.48E-04 2.80E-04 0.001 ng/dscm@7%O2 6.78E-04 7.76E-04 2.86E-04 0.001 

### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.000000024 0.0000000113 0.00000000592 0.000 Elb/hr 8.81E-09 4.20E-09 2.13E-09 0.000 lb/mmBtuO2 3.04E-12 1.51E-12 7.47E-13 0.000 ng/dscm 3.30E-03 1.59E-03 7.96E-04 0.002 ng/dscm@7%O2 3.31E-03 1.65E-03 8.14E-04 0.002 

### Compound: 1,2,3,6,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000748 0.00000000724 0.00000000264 0.000 Elb/hr 2.75E-09 2.69E-09 9.50E-10 0.000



### Thursday, February 03, 2011 Page 5 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 lb/mmBtuO2 9.47E-13 9.69E-13 3.33E-13 0.000 ng/dscm 1.03E-03 1.02E-03 3.55E-04 0.001 ng/dscm@7%O2 1.03E-03 1.06E-03 3.63E-04 0.001 

### Compound: 1,2,3,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000204 0.0000000113 0.0000000052 0.000 Elb/hr 7.49E-09 4.20E-09 1.87E-09 0.000 lb/mmBtuO2 2.58E-12 1.51E-12 6.56E-13 0.000 ng/dscm 2.80E-03 1.59E-03 6.99E-04 0.002 ng/dscm@7%O2 2.81E-03 1.65E-03 7.14E-04 0.002 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000624 0.00000000548 0.00000000192 0.000 Elb/hr 2.29E-09 2.04E-09 6.91E-10 0.000 lb/mmBtuO2 7.90E-13 7.33E-13 2.42E-13 0.000 ng/dscm 8.58E-04 7.70E-04 2.58E-04 0.001 ng/dscm@7%O2 8.61E-04 7.99E-04 2.64E-04 0.001 

### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000116 0.00000000252 0.0000000034 0.000 Elb/hr 4.26E-09 9.36E-10 1.22E-09 0.000 lb/mmBtuO2 1.47E-12 3.37E-13 4.29E-13 0.000 ng/dscm 1.59E-03 3.54E-04 4.57E-04 0.001 ng/dscm@7%O2 1.60E-03 3.67E-04 4.67E-04 0.001 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 1 2 3 Mass_mg 0.00000000456 0.00000000556 0.0000000038 0.000 Elb/hr 1.67E-09 2.07E-09 1.37E-09 0.000 lb/mmBtuO2 5.77E-13 7.44E-13 4.79E-13 0.000 ng/dscm 6.27E-04 7.81E-04 5.11E-04 0.001 ng/dscm@7%O2 6.29E-04 8.10E-04 5.22E-04 0.001 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000102 0.0000000088 0.00000000776 0.000 Elb/hr 3.74E-09 3.27E-09 2.79E-09 0.000 lb/mmBtuO2 1.29E-12 1.18E-12 9.79E-13 0.000 ng/dscm 1.40E-03 1.24E-03 1.04E-03 0.001 ng/dscm@7%O2 1.41E-03 1.29E-03 1.06E-03 0.001 

### Compound:2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000


### Thursday, February 03, 2011 Page 6 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound:2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 1 2 3 Mass_mg 0.0000016 0.0000016 0.0000016 0.000 Elb/hr 5.87E-07 5.94E-07 5.76E-07 0.000 lb/mmBtuO2 2.03E-10 2.14E-10 2.02E-10 0.000 ng/dscm 2.20E-01 2.25E-01 2.15E-01 0.220 ng/dscm@7%O2 2.21E-01 2.33E-01 2.20E-01 0.225 

### Compound:2,3,3',4,4'-PeCB (PCB105) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound:2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound:2,3,4,4',5-PeCB (PCB114) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound:2,3',4,4',5-PeCB (PCB118) Average RunNumber 1 2 3 Mass_mg 0.00000168 0.00000197 0.00000193 0.000 Elb/hr 6.17E-07 7.32E-07 6.94E-07 0.000 lb/mmBtuO2 2.13E-10 2.64E-10 2.43E-10 0.000 ng/dscm 2.31E-01 2.77E-01 2.59E-01 0.256 ng/dscm@7%O2 2.32E-01 2.87E-01 2.65E-01 0.261 

### Compound:2',3,4,4',5-PeCB (PCB123) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000


### Thursday, February 03, 2011 Page 7 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound:2,3,4,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000279 0.0000000141 0.00000000524 0.000 Elb/hr 1.02E-08 5.24E-09 1.88E-09 0.000 lb/mmBtuO2 3.53E-12 1.89E-12 6.61E-13 0.000 ng/dscm 3.83E-03 1.98E-03 7.04E-04 0.002 ng/dscm@7%O2 3.84E-03 2.05E-03 7.20E-04 0.002 

### Compound:2,3,4,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000171 0.0000000133 0.00000000928 0.000 Elb/hr 6.28E-09 4.94E-09 3.34E-09 0.000 lb/mmBtuO2 2.17E-12 1.78E-12 1.17E-12 0.000 ng/dscm 2.35E-03 1.87E-03 1.25E-03 0.002 ng/dscm@7%O2 2.36E-03 1.94E-03 1.28E-03 0.002 

### Compound:2,3,7,8-TCDD Average RunNumber 1 2 3 Mass_mg 0.000000008 0.00000000804 0.00000000772 0.000 Elb/hr 2.94E-09 2.99E-09 2.78E-09 0.000 lb/mmBtuO2 1.01E-12 1.08E-12 9.74E-13 0.000 ng/dscm 1.10E-03 1.13E-03 1.04E-03 0.001 ng/dscm@7%O2 1.10E-03 1.17E-03 1.06E-03 0.001 

### Compound:2,3,7,8-TCDF Average RunNumber 1 2 3 Mass_mg 0.0000000424 0.0000000372 0.0000000492 0.000 Elb/hr 1.56E-08 1.38E-08 1.77E-08 0.000 lb/mmBtuO2 5.37E-12 4.98E-12 6.20E-12 0.000 ng/dscm 5.83E-03 5.23E-03 6.61E-03 0.006 ng/dscm@7%O2 5.85E-03 5.43E-03 6.76E-03 0.006 

### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000


### Thursday, February 03, 2011 Page 8 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.94E-07 2.97E-07 2.88E-07 0.000 lb/mmBtuO2 1.01E-10 1.07E-10 1.01E-10 0.000 ng/dscm 1.10E-01 1.12E-01 1.08E-01 0.110 ng/dscm@7%O2 1.10E-01 1.16E-01 1.10E-01 0.112 

### Compound: OCDD Average RunNumber 1 2 3 Mass_mg 0.0000000965 0.0000000992 0.000000044 0.000 Elb/hr 3.54E-08 3.69E-08 1.58E-08 0.000 lb/mmBtuO2 1.22E-11 1.33E-11 5.55E-12 0.000 ng/dscm 1.33E-02 1.39E-02 5.92E-03 0.011 ng/dscm@7%O2 1.33E-02 1.44E-02 6.05E-03 0.011 

### Compound: OCDF Average RunNumber 1 2 3 Mass_mg 0.000000112 0.000000017 0.0000000201 0.000 Elb/hr 4.11E-08 6.32E-09 7.23E-09 0.000 lb/mmBtuO2 1.42E-11 2.27E-12 2.53E-12 0.000 ng/dscm 1.54E-02 2.39E-03 2.70E-03 0.007 ng/dscm@7%O2 1.55E-02 2.48E-03 2.76E-03 0.007 

### Compound: Other HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000609 0.0000000433 0.0000000128 0.000 Elb/hr 2.24E-08 1.61E-08 4.60E-09 0.000 lb/mmBtuO2 7.71E-12 5.79E-12 1.61E-12 0.000 ng/dscm 8.37E-03 6.08E-03 1.72E-03 0.005 ng/dscm@7%O2 8.40E-03 6.31E-03 1.76E-03 0.005 

### Compound: Other HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000455 0.0000000106 0.0000000056 0.000 Elb/hr 1.67E-08 3.94E-09 2.01E-09 0.000


### Thursday, February 03, 2011 Page 9 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 lb/mmBtuO2 5.76E-12 1.42E-12 7.06E-13 0.000 ng/dscm 6.25E-03 1.49E-03 7.53E-04 0.003 ng/dscm@7%O2 6.27E-03 1.55E-03 7.70E-04 0.003 

### Compound: Other HxCDD Average RunNumber 1 2 3 Mass_mg 0.000000119 0.000000132 0.0000000397 0.000 Elb/hr 4.37E-08 4.90E-08 1.43E-08 0.000 lb/mmBtuO2 1.51E-11 1.77E-11 5.01E-12 0.000 ng/dscm 1.64E-02 1.85E-02 5.34E-03 0.013 ng/dscm@7%O2 1.65E-02 1.92E-02 5.46E-03 0.014 

### Compound: Other HxCDF Average RunNumber 1 2 3 Mass_mg 0.000000098 0.000000102 0.0000000295 0.000 Elb/hr 3.60E-08 3.79E-08 1.06E-08 0.000 lb/mmBtuO2 1.24E-11 1.36E-11 3.72E-12 0.000 ng/dscm 1.35E-02 1.43E-02 3.97E-03 0.011 ng/dscm@7%O2 1.35E-02 1.48E-02 4.06E-03 0.011 

### Compound: Other PeCDD Average RunNumber 1 2 3 Mass_mg 0.000000118 0.00000017 0.000000103 0.000 Elb/hr 4.33E-08 6.32E-08 3.70E-08 0.000 lb/mmBtuO2 1.49E-11 2.27E-11 1.30E-11 0.000 ng/dscm 1.62E-02 2.39E-02 1.38E-02 0.018 ng/dscm@7%O2 1.63E-02 2.48E-02 1.41E-02 0.018 

### Compound: Other PeCDF Average RunNumber 1 2 3 Mass_mg 0.000000138 0.000000192 0.000000108 0.000 Elb/hr 5.07E-08 7.13E-08 3.88E-08 0.000 lb/mmBtuO2 1.75E-11 2.57E-11 1.36E-11 0.000 ng/dscm 1.90E-02 2.70E-02 1.45E-02 0.020 ng/dscm@7%O2 1.91E-02 2.80E-02 1.48E-02 0.021 

### Compound: Other TCDD Average RunNumber 1 2 3 Mass_mg 0.000000169 0.000000333 0.000000348 0.000 Elb/hr 6.20E-08 1.24E-07 1.25E-07 0.000 lb/mmBtuO2 2.14E-11 4.46E-11 4.39E-11 0.000 ng/dscm 2.32E-02 4.68E-02 4.68E-02 0.039 ng/dscm@7%O2 2.33E-02 4.85E-02 4.78E-02 0.040 

### Compound: Other TCDF Average RunNumber 1 2 3 Mass_mg 0.000000294 0.000000385 0.00000036 0.000 Elb/hr 1.08E-07 1.43E-07 1.29E-07 0.000


### Thursday, February 03, 2011 Page 10 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010

Process Run Data lb/mmBtuO2 3.72E-11 5.15E-11 4.54E-11 0.000 ng/dscm 4.04E-02 5.41E-02 4.84E-02 0.048 ng/dscm@7%O2 4.05E-02 5.61E-02 4.95E-02 0.049 

### Compound:Total TEQ Average RunNumber 1 2 3 Mass_mg 0.0000000366 0.0000000285 0.0000000224 0.000 Elb/hr 1.34E-08 1.06E-08 8.06E-09 0.000 lb/mmBtuO2 4.63E-12 3.81E-12 2.82E-12 0.000 ng/dscm 5.03E-03 4.00E-03 3.01E-03 0.004 ng/dscm@7%O2 5.05E-03 4.15E-03 3.08E-03 0.004



### Thursday, February 03, 2011 Page 11 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 2643 Million Btus/million BTU using O2EPA Method 23; 4/26/2010; 12:35pm-8:40pm 2660

1 Net Electric Output 273.1 MW EPA Method 23; 4/26/2010; 12:35pm-8:40pm 295



### 1 Gross Electric Output 294.7 MW EPA Method 23; 4/26/2010; 12:35pm-8:40pm 295

1 Steam Output 2E+06 lbs/hr EPA Method 23; 4/26/2010; 12:35pm-8:40pm 2E+06

1 Feed Rate 219.86 kpph EPA Method 23; 4/26/2010; 12:35pm-8:40pm 220

2 Heat Input 2686 Million Btus/million BTU using O2EPA Method 23;4/27/2010; 6:15am2:20pm 2660



### 2Net Electric Output 275.55 MW EPA Method 23;4/27/2010; 6:15am2:20pm 295

2 Gross Electric Output 297.22 MW EPA Method 23;4/27/2010; 6:15am2:20pm 295

2 Steam Output 2E+06 lbs/hr EPA Method 23;4/27/2010; 6:15am2:20pm 2E+06

2 Feed Rate 198.06 kpph EPA Method 23;4/27/2010; 6:15am2:20pm 220



### 3 Heat Input 2681.3 Million Btus/million BTU using O2EPA Method 23; 4/27/2010; 2:45pm-9:53pm 2660

3 Net Electric Output 274.28 MW EPA Method 23; 4/27/2010; 2:45pm-9:53pm 295

3 Gross Electric Output 295.81 MW EPA Method 23; 4/27/2010; 2:45pm-9:53pm 295

3 Steam Output 2E+06 lbs/hr EPA Method 23; 4/27/2010; 2:45pm-9:53pm 2E+06



### 3 Feed Rate 222.98 kpph EPA Method 23; 4/27/2010; 2:45pm-9:53pm 220

Thursday, February 03, 2011 Page 12 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 APCD Run Data

Process Lab Run Data 

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

### 1 FGD wet limestone scrubber 0 0 1 Selective Catalytic Reduction (SCR) with ammonia injection 0 0

Run Name ValueUOM Comments 

### 1 TSS 57 mg/l 1 TDS 18.3 mg/l 1 Higher Heating value 11500Btu/lb 

### 1 Moisture 5.62 % 1 Mercury 22.8 ug/Kg 1 cadmium 117 ug/Kg 1 Chlorine 7E+05ug/Kg 

### 1 Fluorine 2E+05ug/Kg 1 selenium 3680ug/Kg 1 silver 40.1 ug/Kg 1 beryllium 1330ug/Kg 

### 1 chromium 6100ug/Kg 1 manganese 14000ug/Kg 1 nickel 6870ug/Kg 

### 1 lead 7520ug/Kg 1 arsenic 6210ug/Kg 2 TSS 0 mg/l 2 TDS 0 mg/l 

### 2 Higher Heating value 11300Btu/lb 2 Moisture 5.6 % 2 Mercury 24.9 ug/Kg 

### 2 cadmium 134 ug/Kg 2 Chlorine 6E+05ug/Kg 2 Fluorine 3E+05ug/Kg 2 selenium 4610ug/Kg 

### 2 silver 53.1 ug/Kg 2beryllium 1200ug/Kg 2 chromium 7310ug/Kg 

### 2 manganese 13500ug/Kg 2 nickel 9870ug/Kg 2 lead 8620ug/Kg 2 arsenic 8400ug/Kg


### Thursday, February 03, 2011 Page 13 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 3 TSS 0 mg/l 

### 3 TDS 0 mg/l 3 Higher Heating value 10800Btu/lb 3 Moisture 5.96 % 3 Mercury 29.2 ug/Kg 

### 3 cadmium 150 ug/Kg 3 Chlorine 6E+05ug/Kg 3 Fluorine 2E+05ug/Kg 

### 3 selenium 4900ug/Kg 3 silver 46.8 ug/Kg 3 beryllium 1380ug/Kg 3 chromium 8550ug/Kg 

### 3 manganese 12900ug/Kg 3 nickel 8920ug/Kg 3 lead 10300ug/Kg 

### 3 arsenic 5710ug/Kg

Thursday, February 03, 2011 Page 14 of 15

### Santee Cooper - Winyah Unit #1, ICR Testing
6/4/2010 Sampling / Stack Data Results Detail


### Locationstack exhaust - Method 23 Average Run Number 1 2 3 Test Date 4/26/2010 4/27/2010 4/27/2010 Run Start Time 12:35:00 PM6:15:00 AM2:45:00 PM Run Finish Time 8:40:00 PM2:20:00 PM10:53:00 PM Net Traversing Points 16 16 16 Net Run Time, minutes 480 480 480 Nozzle Diameter, inches 0.21 0.21 0.21 0.210 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9806 0.9806 0.9806 0.981 Barometric Pressure, inches of Mercury 29.5 29.5 29.6 29.533 Average Orifice Meter Differential, inches H2O 1.10 1.05 1.14 1.097 Dry Gas Meter Volume Sampled, cubic feet 280.690 271.170 283.840 278.567 Average Dry Gas Meter Temperature, °F 99.13 92.19 94.94 95.420 Dry Gas Meter Volume Sampled, dscf 256.974 251.347 262.731 257.017 Total Moisture Liquid collected, g 771.3 700 779 750.100 Volume of Water Vapor, standard cubic feet 36.31 32.95 36.67 35.310 Moisture Content of Stack Gas, % 12.38 11.59 12.25 12.073 Moisture Saturation at Stack Gas Temperature, % 12.82 12.58 12.64 12.680 Dry Mole Fraction 0.8762 0.8841 0.8775 0.879 Carbon Dioxide, % 11.85 11.8 12.1 11.917 Oxygen, % 7.05 7.5 7.3 7.283 Carbon Monoxide & Nitrogen, % 81.1 80.7 80.6 80.800 Fuel Factor 1.17 1.14 1.12 Dry Molecular Weight, lb/lb-Mole 30.18 30.19 30.23 30.200 Wet Molecular weight, lb/lb-Mole 28.67 28.78 28.73 28.727 Flue Gas Static Pressure, inches of H2O -0.4 -0.5 -0.31 -0.403 Absolute Flue Gas Pressure, inches of Mercury 29.47 29.46 29.58 29.503 Average Stack Gas Temperature, °F 123.38 122.69 123.00 123.023 Average Velocity Head, inches of H2O 0.6587544769 131170.636125967

2339230.657699681

126659 0.651
Average Stack Gas Velocity, feet/second 48.43 47.48 48.24 48.050 Stack Cross-Sectional Area, square feet 314.159 314.159 314.159 314.159 Dry Volumetric Flow Rate, dry scfm 713,049.1 705,960.4 714,425.8711,145.100 Actual Wet Volumetric Flue Gas Flow Rate, acfm 912,883.2 894,976.2 909,301.8905,720.400 Percent Isokinetic of Sampling Rate, % 98.1 96.9 100.1 98.367 Percent Excess Air, % 49.1 54.3 52.2 51.867 F-Factor, dscfm/MMBtu @ %O2 9780 9780 97809,780.000 Round Duct Diameter, inches 240 240 240 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



### Thursday, February 03, 2011 Page 15 of 15