### Name: Daniel R. Wilkus

Title: Director, Air Programs Company: Westar Energy, Inc. Sign Date: 8/24/2010 Name: Chuck Bruffey Title: Program Director Company:Shaw Environmental & Infrastructur Sign Date: 8/17/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program 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 11, 2011 Page 1 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010 Facility Information: Tecumseh Energy Center 2nd & Dupont Road

Tecumseh KS66542 Contact:Kevin McCarthy Phone:785-575-1838 Fax: 785-575-1838 Email:kevin.mccarthy@westarenergy.com Testing Company:
Shaw Environmental and Infrastructure Inc.
5050 Section Avenue

Cincinnati OH45212 Contact:Chuck Bruffey Phone:513-782-4890 Fax: 513-782-4807 Email:

Air Permit Number: 2017700030 Permitted Source ID/Name: Tecumseh Energy Center--Boiler 9 1252 Permitted Maximum Process Rate: 78 Megawatts Max. Normal Operation Process Rate: 78 Megawatts Target Process Test Rate 78 Magwatts

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Boiler 9 is a tangential-fired dry-bottom coal fired boiler with ESP system for particulate control. Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:2017700030 FRS #:110000596524

SCC / Description10100226 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom Tangential (Subbituminous Coal)

The following state and federal regulations that apply to the proposed testing:

LocationRound

Duct Diam. Distance from upstream dist.Distance from

downstream dist.Number of

Traverse Ports Equiv. Diam Min.Travers Points Rect. Duct Length /Width Boiler 9 Stack138 228 744 4 0 20 0 0

Target Parameter Test Method Number of

Test RunsTest Run

DurationSample

Points Comments LocationFlowrate Method 1 - 4 3 480 0 Boiler 9 Stack% H2O Method 1 - 4 3 480 0 Boiler 9 Stack2,3,7,8-TCDD Method 23 3 480 0 Boiler 9 Stack1,2,3,7,8-PeCDD Method 23 3 480 0 Boiler 9 Stack1,2,3,4,7,8-HxCDD Method 23 3 480 0 Boiler 9 Stack1,2,3,6,7,8-HxCDD Method 23 3 480 0 Boiler 9 StackRegulation Description Compound Limit Unit ICR per Section 114 of CAA 0



### Friday, February 11, 2011 Page 2 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010

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. No modifications proposed.

1,2,3,7,8,9-HxCDD Method 23 3 480 0 Boiler 9 Stack1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 Boiler 9 StackOCDD Method 23 3 480 0 Boiler 9 Stack2,3,7,8-TCDF Method 23 3 480 0 Boiler 9 Stack1,2,3,7,8-PeCDF Method 23 3 480 0 Boiler 9 Stack2,3,4,7,8-PeCDF Method 23 3 480 0 Boiler 9 Stack1,2,3,4,7,8-HxCDF Method 23 3 480 0 Boiler 9 Stack1,2,3,6,7,8-HxCDF Method 23 3 480 0 Boiler 9 Stack2,3,4,6,7,8-HxCDF Method 23 3 480 0 Boiler 9 Stack1,2,3,7,8,9-HxCDF Method 23 3 480 0 Boiler 9 Stack1,2,3,4,6,7,8-HpCDF Method 23 3 480 0 Boiler 9 Stack1,2,3,4,7,8,9-HpCDF Method 23 3 480 0 Boiler 9 StackOCDF Method 23 3 480 0 Boiler 9 StackTotal Dioxins Method 23 3 480 0 Boiler 9 StackTotal Furans Method 23 3 480 0 Boiler 9 Stack3,3',4,4'-TCB (PCB77) Method 23 0 Boiler 9 Stack3,4,4',5-TCB (PCB81) Method 23 0 Boiler 9 Stack2,3,3',4,4'-PeCB (PCB105)Method 23 0 Boiler 9 Stack2,3,4,4',5-PeCB (PCB114) Method 23 0 Boiler 9 Stack2,3',4,4',5-PeCB (PCB118)Method 23 0 Boiler 9 Stack2',3,4,4',5-PeCB (PCB123)Method 23 0 Boiler 9 Stack3,3',4,4',5-PeCB (PCB126)Method 23 0 Boiler 9 Stack2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157) Method 23 0 Boiler 9 Stack

2,3',4,4',5,5'-HxCB (PCB167)Method 23 0 Boiler 9 Stack3,3',4,4',5,5'-HxCB (PCB169)Method 23 0 Boiler 9 Stack2,3,3',4,4',5,5'-HpCB

(PCB189) Method 23 0 Boiler 9 Stack

Total PCBs Method 23 3 480 0 Boiler 9 StackTotal TEQ Method 23 3 480 0 Boiler 9 StackCo2 Method 3A CO2 3 480 0 Boiler 9 StackO2 Method 3A O2 3 480 0 Boiler 9 Stack



### Friday, February 11, 2011 Page 3 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010 Sampling / Stack Data Results Summary



### LocationBoiler 9 Stack - Method 23 Average Run Number WT9-DF-1WT9-DF-2WT9-DF-3
Test Date 3/10/20103/11/2010 3/12/2010 Run Start Time 8:50:00 AM 8:53:00 AM8:15:00 AM

Run Finish Time 5:27:00 PM5:17:00 PM4:46:00 PM Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 292.696 308.877 305.575 302.383 Moisture Content of Stack Gas, % 10.56 10.64 10.60 10.600 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 12.3 12.4 12.6 12.433 Oxygen, % 5.8 5.4 5.6 5.600 Average Stack Gas Temperature, °F 282.50 285.20 276.00 281.233 Dry Volumetric Flow Rate, dry scfm 181,792.4191,521.8 187,679.2186,997.800 Actual Wet Volumetric Flue Gas Flow Rate, acfm 298,083.3314,037.5 303,380.6305,167.133 Percent Isokinetic of Sampling Rate, % 105.6 105.7 106.7 106.000 F-Factor, dscfm/MMBtu @ %O2 9647 9672 9671 9,663.333
Fw 10640 10640 1064010,640.000
Fc 1800 1800 1800 1,800.000



### Friday, February 11, 2011 Page 4 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010 Emissions Summary



### Location:Boiler 9 Stack - Method 23 Compound:1,2,3,4,6,7,8-HpCDD Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.00000000885 0.00000000813 0.0000000165 0.000 Elb/hr 7.27E-10 6.67E-10 1.34E-09 0.000 gr/dscf 4.67E-13 4.06E-13 8.33E-13 0.000 lb/mmBtuO2 8.90E-13 7.57E-13 1.57E-12 0.000 mg/dscm 1.07E-09 9.30E-10 1.91E-09 0.000 ng/dscm 1.07E-03 9.30E-04 1.91E-03 0.001 ng/dscm@7%O2 9.85E-04 8.34E-04 1.74E-03 0.001 pg/dscm 1.07E+00 9.30E-01 1.91E+00 1.303 pg/dscm@7%O2 9.85E-01 8.34E-01 1.74E+00 1.186 ppm 6.04E-11 5.26E-11 1.08E-10 0.000 

### Compound:1,2,3,4,6,7,8-HpCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000647 0.0000000287 0.0000000945 0.000 Elb/hr 5.32E-09 2.35E-09 7.68E-09 0.000 gr/dscf 3.41E-12 1.43E-12 4.77E-12 0.000 lb/mmBtuO2 6.51E-12 2.67E-12 9.01E-12 0.000 mg/dscm 7.81E-09 3.28E-09 1.09E-08 0.000 ng/dscm 7.81E-03 3.28E-03 1.09E-02 0.007 ng/dscm@7%O2 7.19E-03 2.94E-03 9.90E-03 0.007 pg/dscm 7.81E+00 3.28E+00 1.09E+01 7.330 pg/dscm@7%O2 7.19E+00 2.94E+00 9.90E+00 6.677 ppm 4.59E-10 1.93E-10 6.42E-10 0.000 

### Compound:1,2,3,4,7,8,9-HpCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000157 0.0000000208 0.000000026 0.000 Elb/hr 1.29E-09 1.71E-09 2.11E-09 0.000 gr/dscf 8.28E-13 1.04E-12 1.31E-12 0.000 lb/mmBtuO2 1.58E-12 1.94E-12 2.48E-12 0.000 mg/dscm 1.89E-09 2.38E-09 3.01E-09 0.000 ng/dscm 1.89E-03 2.38E-03 3.01E-03 0.002 ng/dscm@7%O2 1.74E-03 2.13E-03 2.73E-03 0.002 pg/dscm 1.89E+00 2.38E+00 3.01E+00 2.427 pg/dscm@7%O2 1.74E+00 2.13E+00 2.73E+00 2.200 ppm 1.11E-10 1.40E-10 1.77E-10 0.000 

### Compound:1,2,3,4,7,8-HxCDD Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000187 0.0000000145 0.00000003 0.000 Elb/hr 1.54E-09 1.19E-09 2.44E-09 0.000 gr/dscf 9.86E-13 7.24E-13 1.52E-12 0.000 lb/mmBtuO2 1.88E-12 1.35E-12 2.86E-12 0.000 mg/dscm 2.26E-09 1.66E-09 3.47E-09 0.000



### Friday, February 11, 2011 Page 5 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010 ng/dscm 2.26E-03 1.66E-03 3.47E-03 0.002 ng/dscm@7%O2 2.08E-03 1.49E-03 3.15E-03 0.002 pg/dscm 2.26E+00 1.66E+00 3.47E+00 2.463 pg/dscm@7%O2 2.08E+00 1.49E+00 3.15E+00 2.240 ppm 1.39E-10 1.02E-10 2.13E-10 0.000 

### Compound:1,2,3,4,7,8-HxCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000124 0.0000000123 0.0000000237 0.000 Elb/hr 1.02E-09 1.01E-09 1.93E-09 0.000 gr/dscf 6.54E-13 6.15E-13 1.20E-12 0.000 lb/mmBtuO2 1.25E-12 1.14E-12 2.26E-12 0.000 mg/dscm 1.50E-09 1.41E-09 2.74E-09 0.000 ng/dscm 1.50E-03 1.41E-03 2.74E-03 0.002 ng/dscm@7%O2 1.38E-03 1.26E-03 2.49E-03 0.002 pg/dscm 1.50E+00 1.41E+00 2.74E+00 1.883 pg/dscm@7%O2 1.38E+00 1.26E+00 2.49E+00 1.710 ppm 9.60E-11 9.02E-11 1.76E-10 0.000 

### Compound:1,2,3,6,7,8-HxCDD Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000161 0.0000000125 0.0000000259 0.000 Elb/hr 1.32E-09 1.03E-09 2.10E-09 0.000 gr/dscf 8.49E-13 6.25E-13 1.31E-12 0.000 lb/mmBtuO2 1.62E-12 1.16E-12 2.47E-12 0.000 mg/dscm 1.94E-09 1.43E-09 2.99E-09 0.000 ng/dscm 1.94E-03 1.43E-03 2.99E-03 0.002 ng/dscm@7%O2 1.79E-03 1.28E-03 2.72E-03 0.002 pg/dscm 1.94E+00 1.43E+00 2.99E+00 2.120 pg/dscm@7%O2 1.79E+00 1.28E+00 2.72E+00 1.930 ppm 1.20E-10 8.79E-11 1.84E-10 0.000 

### Compound:1,2,3,6,7,8-HxCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000106 0.0000000313 0.0000000202 0.000 Elb/hr 8.71E-10 2.57E-09 1.64E-09 0.000 gr/dscf 5.59E-13 1.56E-12 1.02E-12 0.000 lb/mmBtuO2 1.07E-12 2.91E-12 1.93E-12 0.000 mg/dscm 1.28E-09 3.58E-09 2.33E-09 0.000 ng/dscm 1.28E-03 3.58E-03 2.33E-03 0.002 ng/dscm@7%O2 1.18E-03 3.21E-03 2.12E-03 0.002 pg/dscm 1.28E+00 3.58E+00 2.33E+00 2.397 pg/dscm@7%O2 1.18E+00 3.21E+00 2.12E+00 2.170 ppm 8.21E-11 2.30E-10 1.50E-10 0.000 

### Compound:1,2,3,7,8,9-HxCDD Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000185 0.0000000144 0.0000000297 0.000 Elb/hr 1.52E-09 1.18E-09 2.41E-09 0.000 gr/dscf 9.75E-13 7.19E-13 1.50E-12 0.000



### Friday, February 11, 2011 Page 6 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010
lb/mmBtuO2 1.86E-12 1.34E-12 2.83E-12 0.000 mg/dscm 2.23E-09 1.65E-09 3.43E-09 0.000 ng/dscm 2.23E-03 1.65E-03 3.43E-03 0.002 ng/dscm@7%O2 2.05E-03 1.48E-03 3.12E-03 0.002 pg/dscm 2.23E+00 1.65E+00 3.43E+00 2.437 pg/dscm@7%O2 2.05E+00 1.48E+00 3.12E+00 2.217 ppm 1.37E-10 1.01E-10 2.11E-10 0.000 

### Compound:1,2,3,7,8,9-HxCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000154 0.0000000153 0.0000000294 0.000 Elb/hr 1.27E-09 1.25E-09 2.39E-09 0.000 gr/dscf 8.12E-13 7.64E-13 1.48E-12 0.000 lb/mmBtuO2 1.55E-12 1.42E-12 2.80E-12 0.000 mg/dscm 1.86E-09 1.75E-09 3.40E-09 0.000 ng/dscm 1.86E-03 1.75E-03 3.40E-03 0.002 ng/dscm@7%O2 1.71E-03 1.57E-03 3.09E-03 0.002 pg/dscm 1.86E+00 1.75E+00 3.40E+00 2.337 pg/dscm@7%O2 1.71E+00 1.57E+00 3.09E+00 2.123 ppm 1.19E-10 1.12E-10 2.18E-10 0.000 

### Compound:1,2,3,7,8-PeCDD Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000352 0.0000000356 0.000000014 0.000 Elb/hr 2.89E-09 2.92E-09 1.14E-09 0.000 gr/dscf 1.86E-12 1.78E-12 7.07E-13 0.000 lb/mmBtuO2 3.54E-12 3.31E-12 1.33E-12 0.000 mg/dscm 4.25E-09 4.07E-09 1.62E-09 0.000 ng/dscm 4.25E-03 4.07E-03 1.62E-03 0.003 ng/dscm@7%O2 3.91E-03 3.65E-03 1.47E-03 0.003 pg/dscm 4.25E+00 4.07E+00 1.62E+00 3.313 pg/dscm@7%O2 3.91E+00 3.65E+00 1.47E+00 3.010 ppm 2.87E-10 2.75E-10 1.09E-10 0.000 

### Compound:1,2,3,7,8-PeCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.00000000932 0.00000000632 0.0000000477 0.000 Elb/hr 7.66E-10 5.18E-10 3.88E-09 0.000 gr/dscf 4.91E-13 3.16E-13 2.41E-12 0.000 lb/mmBtuO2 9.37E-13 5.88E-13 4.55E-12 0.000 mg/dscm 1.12E-09 7.23E-10 5.51E-09 0.000 ng/dscm 1.12E-03 7.23E-04 5.51E-03 0.002 ng/dscm@7%O2 1.03E-03 6.48E-04 5.01E-03 0.002 pg/dscm 1.12E+00 7.23E-01 5.51E+00 2.451 pg/dscm@7%O2 1.03E+00 6.48E-01 5.01E+00 2.229 ppm 7.94E-11 5.11E-11 3.89E-10 0.000 

### Compound:2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.000000239 0.000000029 0.0000000214 0.000



### Friday, February 11, 2011 Page 7 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010
Elb/hr 1.96E-08 2.38E-09 1.74E-09 0.000 gr/dscf 1.26E-11 1.45E-12 1.08E-12 0.000 lb/mmBtuO2 2.40E-11 2.70E-12 2.04E-12 0.000 mg/dscm 2.88E-08 3.32E-09 2.47E-09 0.000 ng/dscm 2.88E-02 3.32E-03 2.47E-03 0.012 ng/dscm@7%O2 2.65E-02 2.98E-03 2.24E-03 0.011 pg/dscm 2.88E+01 3.32E+00 2.47E+00 11.530 pg/dscm@7%O2 2.65E+01 2.98E+00 2.24E+00 10.573 ppm 1.75E-09 2.01E-10 1.50E-10 0.000 

### Compound:2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.00000896 0.000000157 0.00000016 0.000 Elb/hr 7.36E-07 1.29E-08 1.30E-08 0.000 gr/dscf 4.72E-10 7.84E-12 8.08E-12 0.000 lb/mmBtuO2 9.01E-10 1.46E-11 1.52E-11 0.000 mg/dscm 1.08E-06 1.80E-08 1.85E-08 0.000 ng/dscm 1.08E+00 1.80E-02 1.85E-02 0.372 ng/dscm@7%O2 9.94E-01 1.61E-02 1.68E-02 0.342 pg/dscm 1.08E+03 1.80E+01 1.85E+01 372.167 pg/dscm@7%O2 9.94E+02 1.61E+01 1.68E+01 342.300 ppm 0.000 

### Compound:2,3,3',4,4'-PeCB (PCB105) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.00000702 0.00000418 0.00000226 0.000 Elb/hr 5.77E-07 3.43E-07 1.84E-07 0.000 gr/dscf 3.70E-10 2.09E-10 1.14E-10 0.000 lb/mmBtuO2 7.06E-10 3.89E-10 2.15E-10 0.000 mg/dscm 8.47E-07 4.78E-07 2.61E-07 0.000 ng/dscm 8.47E-01 4.78E-01 2.61E-01 0.529 ng/dscm@7%O2 7.80E-01 4.29E-01 2.37E-01 0.482 pg/dscm 8.47E+02 4.78E+02 2.61E+02 528.667 pg/dscm@7%O2 7.80E+02 4.29E+02 2.37E+02 482.000 ppm 0.000 

### Compound:2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.00000713 0.00000403 0.00000183 0.000 Elb/hr 5.86E-07 3.31E-07 1.49E-07 0.000 gr/dscf 3.76E-10 2.01E-10 9.24E-11 0.000 lb/mmBtuO2 7.17E-10 3.75E-10 1.74E-10 0.000 mg/dscm 8.60E-07 4.61E-07 2.12E-07 0.000 ng/dscm 8.60E-01 4.61E-01 2.12E-01 0.511 ng/dscm@7%O2 7.92E-01 4.13E-01 1.93E-01 0.466 pg/dscm 8.60E+02 4.61E+02 2.12E+02 511.000 pg/dscm@7%O2 7.92E+02 4.13E+02 1.93E+02 466.000 ppm 5.73E-08 3.07E-08 1.41E-08 0.000 

### Compound:2,3,4,4',5-PeCB (PCB114) Average



### Friday, February 11, 2011 Page 8 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010
RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.000000865 0.000000455 0.000000236 0.000 Elb/hr 7.11E-08 3.73E-08 1.92E-08 0.000 gr/dscf 4.56E-11 2.27E-11 1.19E-11 0.000 lb/mmBtuO2 8.70E-11 4.24E-11 2.25E-11 0.000 mg/dscm 1.04E-07 5.20E-08 2.73E-08 0.000 ng/dscm 1.04E-01 5.20E-02 2.73E-02 0.061 ng/dscm@7%O2 9.57E-02 4.66E-02 2.48E-02 0.056 pg/dscm 1.04E+02 5.20E+01 2.73E+01 61.100 pg/dscm@7%O2 9.57E+01 4.66E+01 2.48E+01 55.700 ppm 0.000 

### Compound:2,3',4,4',5-PeCB (PCB118) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000255 0.0000149 0.0000109 0.000 Elb/hr 2.10E-06 1.22E-06 8.86E-07 0.000 gr/dscf 1.34E-09 7.44E-10 5.50E-10 0.000 lb/mmBtuO2 2.56E-09 1.39E-09 1.04E-09 0.000 mg/dscm 3.08E-06 1.70E-06 1.26E-06 0.000 ng/dscm 3.08E+00 1.70E+00 1.26E+00 2.013 ng/dscm@7%O2 2.84E+00 1.52E+00 1.14E+00 1.833 pg/dscm 3.08E+03 1.70E+03 1.26E+03 2,013.333 pg/dscm@7%O2 2.84E+03 1.52E+03 1.14E+03 1,833.333 ppm 0.000 

### Compound:2',3,4,4',5-PeCB (PCB123) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.000016 0.00000899 0.0000000197 0.000 Elb/hr 1.31E-06 7.37E-07 1.60E-09 0.000 gr/dscf 8.44E-10 4.49E-10 9.95E-13 0.000 lb/mmBtuO2 1.61E-09 8.37E-10 1.88E-12 0.000 mg/dscm 1.93E-06 1.03E-06 2.28E-09 0.000 ng/dscm 1.93E+00 1.03E+00 2.28E-03 0.987 ng/dscm@7%O2 1.78E+00 9.24E-01 2.07E-03 0.902 pg/dscm 1.93E+03 1.03E+03 2.28E+00 987.427 pg/dscm@7%O2 1.78E+03 9.24E+02 2.07E+00 902.023 ppm 0.000 

### Compound:2,3,4,6,7,8-HxCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000124 0.0000000123 0.0000000236 0.000 Elb/hr 1.02E-09 1.01E-09 1.92E-09 0.000 gr/dscf 6.54E-13 6.15E-13 1.19E-12 0.000 lb/mmBtuO2 1.25E-12 1.14E-12 2.25E-12 0.000 mg/dscm 1.50E-09 1.41E-09 2.73E-09 0.000 ng/dscm 1.50E-03 1.41E-03 2.73E-03 0.002 ng/dscm@7%O2 1.38E-03 1.26E-03 2.48E-03 0.002 pg/dscm 1.50E+00 1.41E+00 2.73E+00 1.880 pg/dscm@7%O2 1.38E+00 1.26E+00 2.48E+00 1.707 ppm 9.60E-11 9.02E-11 1.75E-10 0.000



### Friday, February 11, 2011 Page 9 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010 Compound:2,3,4,7,8-PeCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.00000000938 0.00000000635 0.0000000184 0.000 Elb/hr 7.71E-10 5.21E-10 1.49E-09 0.000 gr/dscf 4.95E-13 3.17E-13 9.29E-13 0.000 lb/mmBtuO2 9.43E-13 5.91E-13 1.75E-12 0.000 mg/dscm 1.13E-09 7.26E-10 2.13E-09 0.000 ng/dscm 1.13E-03 7.26E-04 2.13E-03 0.001 ng/dscm@7%O2 1.04E-03 6.51E-04 1.94E-03 0.001 pg/dscm 1.13E+00 7.26E-01 2.13E+00 1.329 pg/dscm@7%O2 1.04E+00 6.51E-01 1.94E+00 1.210 ppm 8.00E-11 5.13E-11 1.50E-10 0.000 

### Compound:2,3,7,8-TCDD Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000104 0.00000000787 0.0000000134 0.000 Elb/hr 8.54E-10 6.45E-10 1.09E-09 0.000 gr/dscf 5.48E-13 3.93E-13 6.77E-13 0.000 lb/mmBtuO2 1.05E-12 7.33E-13 1.28E-12 0.000 mg/dscm 1.25E-09 9.00E-10 1.55E-09 0.000 ng/dscm 1.25E-03 9.00E-04 1.55E-03 0.001 ng/dscm@7%O2 1.15E-03 8.07E-04 1.41E-03 0.001 pg/dscm 1.25E+00 9.00E-01 1.55E+00 1.233 pg/dscm@7%O2 1.15E+00 8.07E-01 1.41E+00 1.122 ppm 9.37E-11 6.72E-11 1.16E-10 0.000 

### Compound:2,3,7,8-TCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000459 0.00000000651 0.00000000916 0.000 Elb/hr 3.77E-09 5.34E-10 7.44E-10 0.000 gr/dscf 2.42E-12 3.25E-13 4.63E-13 0.000 lb/mmBtuO2 4.62E-12 6.06E-13 8.73E-13 0.000 mg/dscm 5.54E-09 7.44E-10 1.06E-09 0.000 ng/dscm 5.54E-03 7.44E-04 1.06E-03 0.002 ng/dscm@7%O2 5.10E-03 6.67E-04 9.63E-04 0.002 pg/dscm 5.54E+00 7.44E-01 1.06E+00 2.448 pg/dscm@7%O2 5.10E+00 6.67E-01 9.63E-01 2.243 ppm 4.35E-10 5.85E-11 8.32E-11 0.000 

### Compound:3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000771 0.000000109 0.0000000266 0.000 Elb/hr 6.33E-09 8.94E-09 2.16E-09 0.000 gr/dscf 4.07E-12 5.45E-12 1.34E-12 0.000 lb/mmBtuO2 7.75E-12 1.01E-11 2.54E-12 0.000 mg/dscm 9.30E-09 1.25E-08 3.07E-09 0.000 ng/dscm 9.30E-03 1.25E-02 3.07E-03 0.008 ng/dscm@7%O2 8.56E-03 1.12E-02 2.79E-03 0.008 pg/dscm 9.30E+00 1.25E+01 3.07E+00 8.290 pg/dscm@7%O2 8.56E+00 1.12E+01 2.79E+00 7.517 

### Friday, February 11, 2011 Page 10 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010

ppm 0.000 

### Compound:3,3',4,4',5-PeCB (PCB126) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.000000028 0.0000000337 0.0000000242 0.000 Elb/hr 2.30E-09 2.76E-09 1.97E-09 0.000 gr/dscf 1.48E-12 1.68E-12 1.22E-12 0.000 lb/mmBtuO2 2.82E-12 3.14E-12 2.31E-12 0.000 mg/dscm 3.38E-09 3.85E-09 2.80E-09 0.000 ng/dscm 3.38E-03 3.85E-03 2.80E-03 0.003 ng/dscm@7%O2 3.11E-03 3.45E-03 2.54E-03 0.003 pg/dscm 3.38E+00 3.85E+00 2.80E+00 3.343 pg/dscm@7%O2 3.11E+00 3.45E+00 2.54E+00 3.033 ppm 0.000 

### Compound:3,3',4,4'-TCB (PCB77) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000261 0.0000000435 0.000000456 0.000 Elb/hr 2.14E-09 3.57E-09 3.70E-08 0.000 gr/dscf 1.38E-12 2.17E-12 2.30E-11 0.000 lb/mmBtuO2 2.62E-12 4.05E-12 4.35E-11 0.000 mg/dscm 3.15E-09 4.97E-09 5.27E-08 0.000 ng/dscm 3.15E-03 4.97E-03 5.27E-02 0.020 ng/dscm@7%O2 2.90E-03 4.46E-03 4.79E-02 0.018 pg/dscm 3.15E+00 4.97E+00 5.27E+01 20.273 pg/dscm@7%O2 2.90E+00 4.46E+00 4.79E+01 18.420 ppm 0.000 

### Compound:3,4,4',5-TCB (PCB81) Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000282 0.000000047 0.000000875 0.000 Elb/hr 2.32E-09 3.85E-09 7.11E-08 0.000 gr/dscf 1.49E-12 2.35E-12 4.42E-11 0.000 lb/mmBtuO2 2.84E-12 4.37E-12 8.34E-11 0.000 mg/dscm 3.40E-09 5.37E-09 1.01E-07 0.000 ng/dscm 3.40E-03 5.37E-03 1.01E-01 0.037 ng/dscm@7%O2 3.13E-03 4.82E-03 9.18E-02 0.033 pg/dscm 3.40E+00 5.37E+00 1.01E+02 36.590 pg/dscm@7%O2 3.13E+00 4.82E+00 9.18E+01 33.250 ppm 0.000 

### Compound:OCDD Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.000000136 0.0000000942 0.000000115 0.000 Elb/hr 1.12E-08 7.73E-09 9.34E-09 0.000 gr/dscf 7.17E-12 4.71E-12 5.81E-12 0.000 lb/mmBtuO2 1.37E-11 8.77E-12 1.10E-11 0.000 mg/dscm 1.64E-08 1.08E-08 1.33E-08 0.000 ng/dscm 1.64E-02 1.08E-02 1.33E-02 0.014 ng/dscm@7%O2 1.51E-02 9.69E-03 1.21E-02 0.012



### Friday, February 11, 2011 Page 11 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010 pg/dscm 1.64E+01 1.08E+01 1.33E+01 13.500 pg/dscm@7%O2 1.51E+01 9.69E+00 1.21E+01 12.297 ppm 8.58E-10 5.63E-10 6.95E-10 0.000 

### Compound:OCDF Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.000000113 0.0000000474 0.0000001 0.000 Elb/hr 9.28E-09 3.89E-09 8.12E-09 0.000 gr/dscf 5.96E-12 2.37E-12 5.05E-12 0.000 lb/mmBtuO2 1.14E-11 4.41E-12 9.53E-12 0.000 mg/dscm 1.36E-08 5.42E-09 1.16E-08 0.000 ng/dscm 1.36E-02 5.42E-03 1.16E-02 0.010 ng/dscm@7%O2 1.25E-02 4.86E-03 1.05E-02 0.009 pg/dscm 1.36E+01 5.42E+00 1.16E+01 10.207 pg/dscm@7%O2 1.25E+01 4.86E+00 1.05E+01 9.287 ppm 7.39E-10 2.94E-10 6.26E-10 0.000 

### Compound:Total Dioxins Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.00000020215 0.00000015467 0.0000001776 0.000 Elb/hr 1.66E-08 1.27E-08 1.44E-08 0.000 gr/dscf 1.07E-11 7.73E-12 8.97E-12 0.000 lb/mmBtuO2 2.03E-11 1.44E-11 1.69E-11 0.000 mg/dscm 2.44E-08 1.77E-08 2.05E-08 0.000 ng/dscm 2.44E-02 1.77E-02 2.05E-02 0.021 ng/dscm@7%O2 2.25E-02 1.59E-02 1.86E-02 0.019 pg/dscm 2.44E+01 1.77E+01 2.05E+01 20.867 pg/dscm@7%O2 2.25E+01 1.59E+01 1.86E+01 19.000 ppm 0.000 

### Compound:Total Furans Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.00000024532 0.00000012012 0.00000024553 0.000 Elb/hr 2.02E-08 9.85E-09 1.99E-08 0.000 gr/dscf 1.29E-11 6.00E-12 1.24E-11 0.000 lb/mmBtuO2 2.47E-11 1.12E-11 2.34E-11 0.000 mg/dscm 2.96E-08 1.37E-08 2.84E-08 0.000 ng/dscm 2.96E-02 1.37E-02 2.84E-02 0.024 ng/dscm@7%O2 2.72E-02 1.23E-02 2.58E-02 0.022 pg/dscm 2.96E+01 1.37E+01 2.84E+01 23.900 pg/dscm@7%O2 2.72E+01 1.23E+01 2.58E+01 21.767 ppm 0.000 

### Compound:Total PCBs Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000659 0.000033 0.0000168 0.000 Elb/hr 5.41E-06 2.71E-06 1.36E-06 0.000 gr/dscf 3.47E-09 1.65E-09 8.48E-10 0.000 lb/mmBtuO2 6.63E-09 3.07E-09 1.60E-09 0.000 mg/dscm 7.95E-06 3.77E-06 1.94E-06 0.000



### Friday, February 11, 2011 Page 12 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010

Process Run Data ng/dscm 7.95E+00 3.77E+00 1.94E+00 4.553 ng/dscm@7%O2 7.32E+00 3.38E+00 1.76E+00 4.153 pg/dscm 7.95E+03 3.77E+03 1.94E+03 4,553.333 pg/dscm@7%O2 7.32E+03 3.38E+03 1.76E+03 4,153.333 ppm 0.000 

### Compound:Total TEQ Average RunNumber WT9-DF-1 WT9-DF-2 WT9-DF-3 Mass_mg 0.0000000493 0.0000000418 0.0000000527 0.000 Elb/hr 4.05E-09 3.43E-09 4.28E-09 0.000 gr/dscf 2.60E-12 2.09E-12 2.66E-12 0.000 lb/mmBtuO2 4.96E-12 3.89E-12 5.02E-12 0.000 mg/dscm 5.95E-09 4.78E-09 6.09E-09 0.000 ng/dscm 5.95E-03 4.78E-03 6.09E-03 0.006 ng/dscm@7%O2 5.48E-03 4.29E-03 5.53E-03 0.005 pg/dscm 5.95E+00 4.78E+00 6.09E+00 5.607 pg/dscm@7%O2 5.48E+00 4.29E+00 5.53E+00 5.100 ppm 0.000



### Friday, February 11, 2011 Page 13 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010 Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1Gross Load 77 Megawatts


### 2Gross Load 77.1Megawatts
3Gross Load 77.1Megawatts
1Steam Flow Rate 561.61000 lb/h 0


### 2Steam Flow Rate 556.31000 lb/h 0
3Steam Flow Rate 560.71000 lb/h 0
1Gross Unit heat Rate 9942.3BTU/KWh 0


### 2Gross Unit heat Rate 9940.9BTU/KWh 0
3Gross Unit heat Rate 9834.9BTU/KWh 0



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



### Friday, February 11, 2011 Page 14 of 15

### Westar Energy Tecumseh Energy Center Boiler 9 Dioxin/Furan HAP Test Program
8/24/2010 Sampling / Stack Data Results Detail



### LocationBoiler 9 Stack - Method 23 Average Run Number WT9-DF-1WT9-DF-2WT9-DF-3 Test Date 3/10/20103/11/2010 3/12/2010 Run Start Time 8:50:00 AM8:53:00 AM8:15:00 AM Run Finish Time 5:27:00 PM5:17:00 PM4:46:00 PM Net Traversing Points 20 20 20 Net Run Time, minutes 480 480 480 Nozzle Diameter, inches 0.246 0.246 0.246 0.246 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.977 0.977 0.977 0.977 Barometric Pressure, inches of Mercury 28.71 28.84 28.88 28.810 Average Orifice Meter Differential, inches H2O 1.22 1.31 1.26 1.263 Dry Gas Meter Volume Sampled, cubic feet 307.320 314.173 311.770311.088 Average Dry Gas Meter Temperature, °F 61.35 47.45 49.65 52.817 Dry Gas Meter Volume Sampled, dscf 292.696 308.877 305.575302.383 Total Moisture Liquid collected, g 734.5 781.4 769.7761.867 Volume of Water Vapor, standard cubic feet 34.57 36.78 36.23 35.860 Moisture Content of Stack Gas, % 10.56 10.64 10.60 10.600 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00100.000 Dry Mole Fraction 0.8944 0.8936 0.894 0.894 Carbon Dioxide, % 12.3 12.4 12.6 12.433 Oxygen, % 5.8 5.4 5.6 5.600 Carbon Monoxide & Nitrogen, % 81.9 82.2 81.8 81.967 Fuel Factor 1.23 1.25 1.21 Dry Molecular Weight, lb/lb-Mole 30.20 30.20 30.24 30.213 Wet Molecular weight, lb/lb-Mole 28.91 28.90 28.94 28.917 Flue Gas Static Pressure, inches of H2O -0.31 -0.31 -0.31 -0.310 Absolute Flue Gas Pressure, inches of Mercury 28.69 28.82 28.86 28.790 Average Stack Gas Temperature, °F 282.50 285.20 276.00281.233 Average Velocity Head, inches of H2O 0.4956109662 528610.550390358

3619740.521541759

292242 0.523
Average Stack Gas Velocity, feet/second 47.83 50.39 48.68 48.967 Stack Cross-Sectional Area, square feet 103.869 103.869 103.869103.869 Dry Volumetric Flow Rate, dry scfm 181,792.4191,521.8 187,679.2186,997.800 Actual Wet Volumetric Flue Gas Flow Rate, acfm 298,083.3314,037.5 303,380.6305,167.133 Percent Isokinetic of Sampling Rate, % 105.6 105.7 106.7106.000 Percent Excess Air, % 36.7 33.1 35.0 34.933 F-Factor, dscfm/MMBtu @ %O2 9647 9672 96719,663.333 Round Duct Diameter, inches 138 138 138 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



### Friday, February 11, 2011 Page 15 of 15