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

Title: Supervisor, Air Quality Company: Santee Cooper Sign Date: 6/11/2010 Name: Craig McKenzie Title: Senior Project Manager Company:GEL Engineering, LLC Sign Date: 6/11/2010 Permitted Facility Representative / Date Testing Company Representative / Date



## Santee Cooper - Winyah Unit #2, ICR Section 114 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 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 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: 843-769-7197 Email:cam2@gel.com

Air Permit Number: 1140-0005-B01 Permitted Source ID/Name: Coal Fire Boiler Unit 2 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 exhaustRegulation Description Compound Limit Unit NA 0



### Thursday, February 03, 2011 Page 2 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010

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



### Thursday, February 03, 2011 Page 3 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 Sampling / Stack Data Results Summary



### Locationstack exhaust - Method 23 Average Run Number 1 2 3
Test Date 4/28/20104/28/2010 4/29/2010 Run Start Time 7:05:00 AM3:45:00 PM7:00:00 AM Run Finish Time 3:12:00 PM 11:50:00 PM3:05:00 PM

Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 246.249 258.070 252.846 252.388 Moisture Content of Stack Gas, % 13.20 13.26 13.54 13.333 Moisture Saturation at Stack Gas Temperature, % 13.36 13.48 13.77 13.537 Carbon Dioxide, % 11.3 11.7 12.7 11.900 Oxygen, % 8.2 7.2 7.05 7.483 Average Stack Gas Temperature, °F 125.31 125.75 126.63 125.897 Dry Volumetric Flow Rate, dry scfm 681,435.7709,811.9 683,143.9691,463.833 Actual Wet Volumetric Flue Gas Flow Rate, acfm 873,487.7908,736.3 876,692.1886,305.367 Percent Isokinetic of Sampling Rate, % 98.3 98.9 100.7 99.300 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 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 Emissions Summary



### Location:stack exhaust - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000255 0.00000000732 0.0000000281 0.000 Elb/hr 9.33E-09 2.66E-09 1.00E-08 0.000 gr/dscf 1.60E-12 4.38E-13 1.72E-12 0.000 lb/mmBtuO2 3.67E-12 9.33E-13 3.62E-12 0.000 ng/dscm 3.66E-03 1.00E-03 3.93E-03 0.003 ng/dscm@7%O2 4.01E-03 1.01E-03 3.94E-03 0.003 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000283 0.00000000904 0.000000042 0.000 Elb/hr 1.04E-08 3.29E-09 1.50E-08 0.000 gr/dscf 1.77E-12 5.41E-13 2.56E-12 0.000 lb/mmBtuO2 4.08E-12 1.15E-12 5.40E-12 0.000 ng/dscm 4.06E-03 1.24E-03 5.87E-03 0.004 ng/dscm@7%O2 4.44E-03 1.26E-03 5.89E-03 0.004 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 1 2 3 Mass_mg 0.00000000345 0.00000000247 0.00000000218 0.000 Elb/hr 1.26E-09 8.99E-10 7.79E-10 0.000 gr/dscf 2.16E-13 1.48E-13 1.33E-13 0.000 lb/mmBtuO2 4.97E-13 3.15E-13 2.81E-13 0.000 ng/dscm 4.95E-04 3.38E-04 3.05E-04 0.000 ng/dscm@7%O2 5.42E-04 3.43E-04 3.06E-04 0.000 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000254 0.00000000196 0.0000000022 0.000 Elb/hr 9.30E-10 7.13E-10 7.86E-10 0.000 gr/dscf 1.59E-13 1.17E-13 1.34E-13 0.000 lb/mmBtuO2 3.66E-13 2.50E-13 2.83E-13 0.000 ng/dscm 3.64E-04 2.68E-04 3.07E-04 0.000 ng/dscm@7%O2 3.98E-04 2.72E-04 3.08E-04 0.000 

### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000532 0.00000000264 0.00000000254 0.000 Elb/hr 1.95E-09 9.60E-10 9.08E-10 0.000 gr/dscf 3.33E-13 1.58E-13 1.55E-13 0.000 lb/mmBtuO2 7.67E-13 3.36E-13 3.27E-13 0.000 ng/dscm 7.63E-04 3.61E-04 3.55E-04 0.000 ng/dscm@7%O2 8.35E-04 3.66E-04 3.56E-04 0.001



### Thursday, February 03, 2011 Page 5 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 Compound: 1,2,3,6,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000416 0.00000000197 0.00000000352 0.000 Elb/hr 1.52E-09 7.17E-10 1.26E-09 0.000 gr/dscf 2.61E-13 1.18E-13 2.15E-13 0.000 lb/mmBtuO2 5.99E-13 2.51E-13 4.53E-13 0.000 ng/dscm 5.97E-04 2.70E-04 4.92E-04 0.000 ng/dscm@7%O2 6.53E-04 2.74E-04 4.94E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000496 0.0000000026 0.00000000636 0.000 Elb/hr 1.82E-09 9.46E-10 2.27E-09 0.000 gr/dscf 3.11E-13 1.55E-13 3.88E-13 0.000 lb/mmBtuO2 7.15E-13 3.31E-13 8.18E-13 0.000 ng/dscm 7.11E-04 3.56E-04 8.88E-04 0.001 ng/dscm@7%O2 7.78E-04 3.61E-04 8.91E-04 0.001 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 1 2 3 Mass_mg 0.00000000274 0.00000000211 0.000000003 0.000 Elb/hr 1.00E-09 7.68E-10 1.07E-09 0.000 gr/dscf 1.72E-13 1.26E-13 1.83E-13 0.000 lb/mmBtuO2 3.95E-13 2.69E-13 3.86E-13 0.000 ng/dscm 3.93E-04 2.89E-04 4.19E-04 0.000 ng/dscm@7%O2 4.30E-04 2.93E-04 4.21E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000189 0.00000000191 0.00000000328 0.000 Elb/hr 6.92E-10 6.95E-10 1.17E-09 0.000 gr/dscf 1.18E-13 1.14E-13 2.00E-13 0.000 lb/mmBtuO2 2.72E-13 2.43E-13 4.22E-13 0.000 ng/dscm 2.71E-04 2.61E-04 4.58E-04 0.000 ng/dscm@7%O2 2.97E-04 2.65E-04 4.60E-04 0.000 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 1 2 3 Mass_mg 0.00000000344 0.00000000144 0.00000000376 0.000 Elb/hr 1.26E-09 5.24E-10 1.34E-09 0.000 gr/dscf 2.16E-13 8.61E-14 2.29E-13 0.000 lb/mmBtuO2 4.96E-13 1.84E-13 4.84E-13 0.000 ng/dscm 4.93E-04 1.97E-04 5.25E-04 0.000 ng/dscm@7%O2 5.40E-04 2.00E-04 5.27E-04 0.000 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 1 2 3



### Thursday, February 03, 2011 Page 6 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 Mass_mg 0.00000000476 0.00000000332 0.00000000528 0.000 Elb/hr 1.74E-09 1.21E-09 1.89E-09 0.000 gr/dscf 2.98E-13 1.99E-13 3.22E-13 0.000 lb/mmBtuO2 6.86E-13 4.23E-13 6.79E-13 0.000 ng/dscm 6.83E-04 4.54E-04 7.38E-04 0.001 ng/dscm@7%O2 7.48E-04 4.61E-04 7.41E-04 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 2.93E-07 2.91E-07 2.86E-07 0.000 gr/dscf 5.01E-11 4.78E-11 4.88E-11 0.000 lb/mmBtuO2 1.15E-10 1.02E-10 1.03E-10 0.000 ng/dscm 1.15E-01 1.09E-01 1.12E-01 0.112 ng/dscm@7%O2 1.26E-01 1.11E-01 1.12E-01 0.116 

### 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 5.86E-07 5.82E-07 5.72E-07 0.000 gr/dscf 1.00E-10 9.57E-11 9.77E-11 0.000 lb/mmBtuO2 2.31E-10 2.04E-10 2.06E-10 0.000 ng/dscm 2.29E-01 2.19E-01 2.24E-01 0.224 ng/dscm@7%O2 2.51E-01 2.22E-01 2.25E-01 0.233 

### Compound:2,3,3',4,4'-PeCB (PCB105) Average RunNumber 1 2 3 Mass_mg 0.00000129 0.0000008 0.00000106 0.000 Elb/hr 4.72E-07 2.91E-07 3.79E-07 0.000 gr/dscf 8.08E-11 4.78E-11 6.47E-11 0.000 lb/mmBtuO2 1.86E-10 1.02E-10 1.36E-10 0.000 ng/dscm 1.85E-01 1.09E-01 1.48E-01 0.147 ng/dscm@7%O2 2.02E-01 1.11E-01 1.49E-01 0.154 

### 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 2.93E-07 2.91E-07 2.86E-07 0.000 gr/dscf 5.01E-11 4.78E-11 4.88E-11 0.000 lb/mmBtuO2 1.15E-10 1.02E-10 1.03E-10 0.000 ng/dscm 1.15E-01 1.09E-01 1.12E-01 0.112 ng/dscm@7%O2 1.26E-01 1.11E-01 1.12E-01 0.116 

### 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 2.93E-07 2.91E-07 2.86E-07 0.000 gr/dscf 5.01E-11 4.78E-11 4.88E-11 0.000 lb/mmBtuO2 1.15E-10 1.02E-10 1.03E-10 0.000



### Thursday, February 03, 2011 Page 7 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 ng/dscm 1.15E-01 1.09E-01 1.12E-01 0.112 ng/dscm@7%O2 1.26E-01 1.11E-01 1.12E-01 0.116 

### Compound:2,3',4,4',5-PeCB (PCB118) Average RunNumber 1 2 3 Mass_mg 0.00000229 0.00000118 0.00000186 0.000 Elb/hr 8.38E-07 4.29E-07 6.65E-07 0.000 gr/dscf 1.44E-10 7.06E-11 1.14E-10 0.000 lb/mmBtuO2 3.30E-10 1.50E-10 2.39E-10 0.000 ng/dscm 3.28E-01 1.61E-01 2.60E-01 0.250 ng/dscm@7%O2 3.59E-01 1.63E-01 2.61E-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 2.93E-07 2.91E-07 2.86E-07 0.000 gr/dscf 5.01E-11 4.78E-11 4.88E-11 0.000 lb/mmBtuO2 1.15E-10 1.02E-10 1.03E-10 0.000 ng/dscm 1.15E-01 1.09E-01 1.12E-01 0.112 ng/dscm@7%O2 1.26E-01 1.11E-01 1.12E-01 0.116 

### Compound:2,3,4,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.00000000864 0.00000000348 0.00000000608 0.000 Elb/hr 3.16E-09 1.27E-09 2.17E-09 0.000 gr/dscf 5.41E-13 2.08E-13 3.71E-13 0.000 lb/mmBtuO2 1.24E-12 4.44E-13 7.82E-13 0.000 ng/dscm 1.24E-03 4.76E-04 8.49E-04 0.001 ng/dscm@7%O2 1.36E-03 4.83E-04 8.52E-04 0.001 

### Compound:2,3,4,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.00000000688 0.00000000384 0.00000000668 0.000 Elb/hr 2.52E-09 1.40E-09 2.39E-09 0.000 gr/dscf 4.31E-13 2.30E-13 4.08E-13 0.000 lb/mmBtuO2 9.91E-13 4.89E-13 8.60E-13 0.000 ng/dscm 9.87E-04 5.26E-04 9.33E-04 0.001 ng/dscm@7%O2 1.08E-03 5.34E-04 9.36E-04 0.001 

### Compound:2,3,7,8-TCDD Average RunNumber 1 2 3 Mass_mg 0.00000000796 0.00000000636 0.00000000716 0.000 Elb/hr 2.91E-09 2.31E-09 2.56E-09 0.000 gr/dscf 4.99E-13 3.80E-13 4.37E-13 0.000 lb/mmBtuO2 1.15E-12 8.11E-13 9.21E-13 0.000 ng/dscm 1.14E-03 8.70E-04 1.00E-03 0.001 ng/dscm@7%O2 1.25E-03 8.83E-04 1.00E-03 0.001



### Thursday, February 03, 2011 Page 8 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 Compound:2,3,7,8-TCDF Average RunNumber 1 2 3 Mass_mg 0.0000000259 0.0000000233 0.0000000188 0.000 Elb/hr 9.48E-09 8.48E-09 6.72E-09 0.000 gr/dscf 1.62E-12 1.39E-12 1.15E-12 0.000 lb/mmBtuO2 3.73E-12 2.97E-12 2.42E-12 0.000 ng/dscm 3.71E-03 3.19E-03 2.63E-03 0.003 ng/dscm@7%O2 4.06E-03 3.24E-03 2.64E-03 0.003 

### 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 2.93E-07 2.91E-07 2.86E-07 0.000 gr/dscf 5.01E-11 4.78E-11 4.88E-11 0.000 lb/mmBtuO2 1.15E-10 1.02E-10 1.03E-10 0.000 ng/dscm 1.15E-01 1.09E-01 1.12E-01 0.112 ng/dscm@7%O2 1.26E-01 1.11E-01 1.12E-01 0.116 

### 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 2.93E-07 2.91E-07 2.86E-07 0.000 gr/dscf 5.01E-11 4.78E-11 4.88E-11 0.000 lb/mmBtuO2 1.15E-10 1.02E-10 1.03E-10 0.000 ng/dscm 1.15E-01 1.09E-01 1.12E-01 0.112 ng/dscm@7%O2 1.26E-01 1.11E-01 1.12E-01 0.116 

### Compound:3,3',4,4'-TCB (PCB77) Average RunNumber 1 2 3 Mass_mg 0.00000116 0.0000008 0.000000876 0.000 Elb/hr 4.25E-07 2.91E-07 3.13E-07 0.000 gr/dscf 7.27E-11 4.78E-11 5.35E-11 0.000 lb/mmBtuO2 1.67E-10 1.02E-10 1.13E-10 0.000 ng/dscm 1.66E-01 1.09E-01 1.22E-01 0.132 ng/dscm@7%O2 1.82E-01 1.11E-01 1.22E-01 0.138 

### Compound:3,4,4',5-TCB (PCB81) Average RunNumber 1 2 3 Mass_mg 0.0000008 0.0000008 0.0000008 0.000 Elb/hr 2.93E-07 2.91E-07 2.86E-07 0.000 gr/dscf 5.01E-11 4.78E-11 4.88E-11 0.000 lb/mmBtuO2 1.15E-10 1.02E-10 1.03E-10 0.000 ng/dscm 1.15E-01 1.09E-01 1.12E-01 0.112 ng/dscm@7%O2 1.26E-01 1.11E-01 1.12E-01 0.116 

### Compound:OCDD Average RunNumber 1 2 3



### Thursday, February 03, 2011 Page 9 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 Mass_mg 0.0000000712 0.0000000311 0.0000000764 0.000 Elb/hr 2.61E-08 1.13E-08 2.73E-08 0.000 gr/dscf 4.46E-12 1.86E-12 4.66E-12 0.000 lb/mmBtuO2 1.03E-11 3.96E-12 9.83E-12 0.000 ng/dscm 1.02E-02 4.26E-03 1.07E-02 0.008 ng/dscm@7%O2 1.12E-02 4.32E-03 1.07E-02 0.009 

### Compound:OCDF Average RunNumber 1 2 3 Mass_mg 0.0000000108 0.00000000928 0.00000000788 0.000 Elb/hr 3.95E-09 3.38E-09 2.82E-09 0.000 gr/dscf 6.77E-13 5.55E-13 4.81E-13 0.000 lb/mmBtuO2 1.56E-12 1.18E-12 1.01E-12 0.000 ng/dscm 1.55E-03 1.27E-03 1.10E-03 0.001 ng/dscm@7%O2 1.70E-03 1.29E-03 1.10E-03 0.001 

### Compound:Other HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000261 0.00000000704 0.0000000295 0.000 Elb/hr 9.55E-09 2.56E-09 1.05E-08 0.000 gr/dscf 1.64E-12 4.21E-13 1.80E-12 0.000 lb/mmBtuO2 3.76E-12 8.97E-13 3.80E-12 0.000 ng/dscm 3.74E-03 9.64E-04 4.12E-03 0.003 ng/dscm@7%O2 4.09E-03 9.78E-04 4.13E-03 0.003 

### Compound:Other HpCDF Average RunNumber 1 2 3 Mass_mg 0.00000000452 0.0000000032 0.00000000272 0.000 Elb/hr 1.65E-09 1.16E-09 9.72E-10 0.000 gr/dscf 2.83E-13 1.91E-13 1.66E-13 0.000 lb/mmBtuO2 6.51E-13 4.08E-13 3.50E-13 0.000 ng/dscm 6.48E-04 4.38E-04 3.80E-04 0.000 ng/dscm@7%O2 7.09E-04 4.44E-04 3.81E-04 0.001 

### Compound:Other HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000415 0.0000000171 0.0000000606 0.000 Elb/hr 1.52E-08 6.22E-09 2.17E-08 0.000 gr/dscf 2.60E-12 1.02E-12 3.70E-12 0.000 lb/mmBtuO2 5.98E-12 2.18E-12 7.80E-12 0.000 ng/dscm 5.95E-03 2.34E-03 8.47E-03 0.006 ng/dscm@7%O2 6.51E-03 2.37E-03 8.50E-03 0.006 

### Compound:Other HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000426 0.0000000117 0.0000000608 0.000 Elb/hr 1.56E-08 4.26E-09 2.17E-08 0.000 gr/dscf 2.67E-12 7.00E-13 3.71E-12 0.000 lb/mmBtuO2 6.14E-12 1.49E-12 7.82E-12 0.000



### Thursday, February 03, 2011 Page 10 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010

Process Run Data ng/dscm 6.11E-03 1.60E-03 8.49E-03 0.005 ng/dscm@7%O2 6.69E-03 1.62E-03 8.52E-03 0.006 

### Compound:Other PeCDD Average RunNumber 1 2 3 Mass_mg 0.0000000715 0.0000000449 0.000000073 0.000 Elb/hr 2.62E-08 1.63E-08 2.61E-08 0.000 gr/dscf 4.48E-12 2.68E-12 4.46E-12 0.000 lb/mmBtuO2 1.03E-11 5.72E-12 9.39E-12 0.000 ng/dscm 1.03E-02 6.15E-03 1.02E-02 0.009 ng/dscm@7%O2 1.13E-02 6.24E-03 1.02E-02 0.009 

### Compound:Other PeCDF Average RunNumber 1 2 3 Mass_mg 0.000000075 0.0000000298 0.0000000826 0.000 Elb/hr 2.75E-08 1.08E-08 2.95E-08 0.000 gr/dscf 4.70E-12 1.78E-12 5.04E-12 0.000 lb/mmBtuO2 1.08E-11 3.80E-12 1.06E-11 0.000 ng/dscm 1.08E-02 4.08E-03 1.15E-02 0.009 ng/dscm@7%O2 1.18E-02 4.14E-03 1.15E-02 0.009 

### Compound:Other TCDD Average RunNumber 1 2 3 Mass_mg 0.000000211 0.000000172 0.000000195 0.000 Elb/hr 7.72E-08 6.26E-08 6.97E-08 0.000 gr/dscf 1.32E-11 1.03E-11 1.19E-11 0.000 lb/mmBtuO2 3.04E-11 2.19E-11 2.51E-11 0.000 ng/dscm 3.03E-02 2.35E-02 2.72E-02 0.027 ng/dscm@7%O2 3.32E-02 2.38E-02 2.73E-02 0.028 

### Compound:Other TCDF Average RunNumber 1 2 3 Mass_mg 0.000000187 0.000000115 0.000000153 0.000 Elb/hr 6.85E-08 4.18E-08 5.47E-08 0.000 gr/dscf 1.17E-11 6.88E-12 9.34E-12 0.000 lb/mmBtuO2 2.69E-11 1.47E-11 1.97E-11 0.000 ng/dscm 2.68E-02 1.57E-02 2.14E-02 0.021 ng/dscm@7%O2 2.93E-02 1.59E-02 2.15E-02 0.022



### Thursday, February 03, 2011 Page 11 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 2829 Million Btus/million BTU using O2EPA Method 23;4/28/2010; 7:05am3:12pm 2660

1 Net Electric Output 285.15 MW EPA Method 23;4/28/2010; 7:05am3:12pm 295



### 1 Gross Electric Output 306.6 MW EPA Method 23;4/28/2010; 7:05am3:12pm 295

1 Steam Output 2E+06 lbs/hr EPA Method 23;4/28/2010; 7:05am3:12pm 2E+06

1 Feed Rate 235.32 kpph EPA Method 23;4/28/2010; 7:05am3:12pm 220

2Heat Input 2813 Million Btus/million BTU using O2EPA Method 23; 4/28/2010; 3:45pm-11:50pm 2660



### 2Net Electric Output 283.57 MW EPA Method 23; 4/28/2010; 3:45pm-11:50pm 295

2Gross Electric Output 305.32 MW EPA Method 23; 4/28/2010; 3:45pm-11:50pm 295

2Steam Output 2E+06 lbs/hr EPA Method 23; 4/28/2010; 3:45pm-11:50pm 2E+06

2Feed Rate 233.93 kpph EPA Method 23; 4/28/2010; 3:45pm-11:50pm 220



### 3Heat Input 2832.7 Million Btus/million BTU using O2EPA Method 23;4/29/2010; 7:00am3:05pm 2660

3Net Electric Output 283.86 MW EPA Method 23;4/29/2010; 7:00am3:05pm 295

3Gross Electric Output 306.09 MW EPA Method 23;4/29/2010; 7:00am3:05pm 295

3Steam Output 2E+06 lbs/hr EPA Method 23;4/29/2010; 7:00am3:05pm 2E+06



### 3Feed Rate 235.57 kpph EPA Method 23;4/29/2010; 7:00am3:05pm 220

Thursday, February 03, 2011 Page 12 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Electrostatic Precipitator (ESP) 0 0


### 1 FGD wet limestone scrubber 0 0
1 SCR (SELECTIVE CATALYTIC REDUCTION) with ammonia injection 0 0



### Thursday, February 03, 2011 Page 13 of 14

### Santee Cooper - Winyah Unit #2, ICR Section 114 Testing
6/11/2010 Sampling / Stack Data Results Detail



### Locationstack exhaust - Method 23 Average Run Number 1 2 3 Test Date 4/28/2010 4/28/2010 4/29/2010 Run Start Time 7:05:00 AM3:45:00 PM7:00:00 AM Run Finish Time 3:12:00 PM11:50:00 PM3:05:00 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 29.85 29.92 30 29.923 Average Orifice Meter Differential, inches H2O 1.00 1.13 1.05 1.060 Dry Gas Meter Volume Sampled, cubic feet 262.980 276.270 268.130 269.127 Average Dry Gas Meter Temperature, °F 93.00 95.81 91.94 93.583 Dry Gas Meter Volume Sampled, dscf 246.249 258.070 252.846 252.388 Total Moisture Liquid collected, g 795.4 838.3 841 824.900 Volume of Water Vapor, standard cubic feet 37.44 39.46 39.59 38.830 Moisture Content of Stack Gas, % 13.20 13.26 13.54 13.333 Moisture Saturation at Stack Gas Temperature, % 13.36 13.48 13.77 13.537 Dry Mole Fraction 0.868 0.8674 0.8646 0.867 Carbon Dioxide, % 11.3 11.7 12.7 11.900 Oxygen, % 8.2 7.2 7.05 7.483 Carbon Monoxide & Nitrogen, % 80.5 81.1 80.25 80.617 Fuel Factor 1.12 1.17 1.09 Dry Molecular Weight, lb/lb-Mole 30.14 30.16 30.31 30.203 Wet Molecular weight, lb/lb-Mole 28.54 28.55 28.64 28.577 Flue Gas Static Pressure, inches of H2O -0.56 -0.45 -0.51 -0.507 Absolute Flue Gas Pressure, inches of Mercury 29.81 29.89 29.96 29.887 Average Stack Gas Temperature, °F 125.31 125.75 126.63 125.897 Average Velocity Head, inches of H2O 0.6053916683 694430.656566239

5330230.613665906

859597 0.625
Average Stack Gas Velocity, feet/second 46.34 48.21 46.51 47.020 Stack Cross-Sectional Area, square feet 314.159 314.159 314.159 314.159 Dry Volumetric Flow Rate, dry scfm 681,435.7 709,811.9 683,143.9691,463.833 Actual Wet Volumetric Flue Gas Flow Rate, acfm 873,487.7 908,736.3 876,692.1886,305.367 Percent Isokinetic of Sampling Rate, % 98.3 98.9 100.7 99.300 Percent Excess Air, % 62.8 50.7 49.9 54.467 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 14 of 14