### Name: Rick Tripp

Title: Plant Manager Company: PacifiCorp Sign Date: Name: Karl Breuer Title: Senior Technical Writer Company: Air Pollution Testing, Inc Sign Date: 7/15/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## PacifiCorp Dave Johnston Unit 1 ICR

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.

Monday, January 31, 2011 Page 1 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Facility Information:
Dave Johnston Power Plant
1591 Tank Farm Road

Glenrock W 82637 Contact:Rick Tripp Phone: 307-995-5001 Fax: 307-995-5025 Email: rick.tripp@pacificorp.com Testing Company: Air Pollution Testing, Inc.
5530 Marshall Street

Arvada CO80002 Contact:Karl Breuer Phone:303-420-5949 x24 Fax: 303-420-5920 Email: kbreuer@airtest.net

Air Permit Number: 3-2-148 Permitted Source ID/Name: Electric Utility Steam Generating Unit NADB #BW41 1 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: Coal-fired boiler for electricity generation. Emissions controlled by a electrostatic precipitator. Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:5600900001 FRS #:110013320245

SCC / Description10100222 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom (Subbituminous 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 Unit 1 132 1674 3762 4 0 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location 2,3,7,8-TCDD Method 23 3 480 0 Unit 1 1,2,3,7,8-PeCDD Method 23 3 480 0 Unit 1 1,2,3,4,7,8-HxCDD Method 23 3 480 0 Unit 1 1,2,3,6,7,8-HxCDD Method 23 3 480 0 Unit 1 1,2,3,7,8,9-HxCDD Method 23 3 480 0 Unit 1 1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 Unit 1 Regulation Description Compound Limit Unit 0



### Monday, January 31, 2011 Page 2 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

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. A conversation with Chris Hanify of the WDEQ on April 6, 2010 confirmed that the samples would be analyzed as single fractions in accordance with most recent EPA guidance.

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

HxCB (PCBs156/157) Method 23 3 480 0 Unit 1

2,3',4,4',5,5'-HxCB (PCB167)Method 23 3 480 0 Unit 1 3,3',4,4',5,5'-HxCB (PCB169)Method 23 3 480 0 Unit 1 2,3,3',4,4',5,5'-HpCB

(PCB189) Method 23 3 480 0 Unit 1

DeCB Method 23 3 480 0 Unit 1 O2 Method 3A O2 12 120 0 Unit 1 Co2 Method 3A CO2 12 120 0 Unit 1



### Monday, January 31, 2011 Page 3 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Sampling / Stack Data Results Summary



### Location Unit 1 - Method 23 Average Run Number 1 2 3
Test Date 3/30/2010 3/31/2010 4/1/2010 Run Start Time 7:31:00 AM 7:36:00 AM 7:36:00 AM

Run Finish Time 4:00:00 PM3:50:00 PM 3:44:00 PM Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 329.821 338.039 338.719 335.526 Moisture Content of Stack Gas, % 10.12 9.74 10.51 10.123 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 12.2 11.9 12.1 12.067 Oxygen, % 7.5 7.9 7.6 7.667 Average Stack Gas Temperature, °F 280.83 282.52 269.21 277.520 Dry Volumetric Flow Rate, dry scfm 266,337.5 272,765.9 270,643.7 269,915.700 Actual Wet Volumetric Flue Gas Flow Rate, acfm 508,787.7 516,257.3 509,871.1 511,638.700 Percent Isokinetic of Sampling Rate, % 101.9 102.0 103.0 102.300 F-Factor, dscfm/MMBtu @ %O2 9820 9820 9820 9,820.000
Fw
Fc 1840 1840 1840 1,840.000



### Location Unit 1 - Method 3A CO2 Average Run Number 1 10 11
Test Date 3/30/2010 4/1/2010 4/1/2010 Run Start Time 7:31:00 AM 9:41:00 AM11:48:00 AM

Run Finish Time 9:31:00 AM 11:41:00 AM 1:48:00 PM

Carbon Dioxide, % 12.4 12.2 12.1 12.233 Oxygen, % 7.2 7.5 7.6 7.433 Dry Volumetric Flow Rate, dry scfm 266323 270613 270613 269,183.000 F-Factor, dscfm/MMBtu @ %O2 9190 0 0 3,063.333 Moisture, % 10.1 10.5 10.5 10.367 Fuel Type Override Override Override
Fw 10320 0 0 3,440.000
Fc 1420 0 0 473.333



### Monday, January 31, 2011 Page 4 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A CO2 3 Average Run Number 12 2 3
Test Date 4/1/2010 3/30/2010 3/30/2010 Run Start Time 1:54:00 PM 9:40:00 AM11:48:00 AM

Run Finish Time 3:54:00 PM 11:40:00 AM 1:48:00 PM

Carbon Dioxide, % 12 12.3 12.1 12.133 Oxygen, % 7.7 7.2 7.6 7.500 Dry Volumetric Flow Rate, dry scfm 270613 266323 266323 267,753.000 F-Factor, dscfm/MMBtu @ %O2 9190 9780 0 6,323.333 Moisture, % 10.5 10.1 10.1 10.233 Fuel Type Override Override Override
Fw 10320 10640 0 6,986.667
Fc 1420 1800 0 1,073.333



### Location Unit 1 - Method 3A CO2 3 6 Average Run Number 4 5 6
Test Date 3/30/2010 3/31/2010 3/31/2010 Run Start Time 1:56:00 PM 7:36:00 AM 9:42:00 AM

Run Finish Time 4:10:00 PM 9:36:00 AM11:42:00 AM

Carbon Dioxide, % 12.2 11.9 12 12.033 Oxygen, % 7.6 8 8 7.867 Dry Volumetric Flow Rate, dry scfm 266323 272725 272725 270,591.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 10.1 9.7 9.7 9.833 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Monday, January 31, 2011 Page 5 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A CO2 3 6 9 Average Run Number 7 8 9
Test Date 3/31/2010 3/31/2010 4/1/2010 Run Start Time 11:55:00 AM2:04:00 PM 7:36:00 AM Run Finish Time 1:55:00 PM4:04:00 PM 9:36:00 AM Carbon Dioxide, % 11.9 11.9 12.3 12.033 Oxygen, % 7.8 7.8 7.5 7.700 Dry Volumetric Flow Rate, dry scfm 272725 272725 270613 272,021.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 9.7 9.7 10.5 9.967 Fuel Type Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Unit 1 - Method 3A O2 Average Run Number 1 10 11
Test Date 3/30/2010 4/1/2010 4/1/2010 Run Start Time 7:31:00 AM 9:41:00 AM11:48:00 AM

Run Finish Time 9:31:00 AM 11:41:00 AM 1:48:00 PM

Carbon Dioxide, % 12.4 12.2 12.1 12.233 Oxygen, % 7.2 7.5 7.6 7.433 Dry Volumetric Flow Rate, dry scfm 266323 270613 270613 269,183.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 10.1 10.5 10.5 10.367 Fuel Type Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Monday, January 31, 2011 Page 6 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A O2 3 Average Run Number 12 2 3
Test Date 4/1/2010 3/30/2010 3/30/2010 Run Start Time 1:54:00 PM 9:40:00 AM11:48:00 AM

Run Finish Time 3:54:00 PM 11:40:00 AM 1:48:00 PM

Carbon Dioxide, % 12 12.3 12.1 12.133 Oxygen, % 7.7 7.2 7.6 7.500 Dry Volumetric Flow Rate, dry scfm 270613 266323 266323 267,753.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 10.5 10.1 10.1 10.233 Fuel Type Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Unit 1 - Method 3A O2 3 6 Average Run Number 4 5 6
Test Date 3/30/2010 3/31/2010 3/31/2010 Run Start Time 1:56:00 PM 7:36:00 AM 9:42:00 AM

Run Finish Time 4:10:00 PM 9:36:00 AM11:42:00 AM

Carbon Dioxide, % 12.2 11.9 12 12.033 Oxygen, % 7.6 8 8 7.867 Dry Volumetric Flow Rate, dry scfm 266323 272725 272725 270,591.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 10.1 9.7 9.7 9.833 Fuel Type Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Monday, January 31, 2011 Page 7 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A O2 3 6 9 Average Run Number 7 8 9
Test Date 3/31/2010 3/31/2010 4/1/2010 Run Start Time 11:55:00 AM2:04:00 PM 7:36:00 AM Run Finish Time 1:55:00 PM4:04:00 PM 9:36:00 AM Carbon Dioxide, % 11.9 11.9 12.3 12.033 Oxygen, % 7.8 7.8 7.5 7.700 Dry Volumetric Flow Rate, dry scfm 272725 272725 270613 272,021.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 9.7 9.7 10.5 9.967 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Monday, January 31, 2011 Page 8 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Emissions Summary



### Location: Unit 1 - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000071 0.0000000037 0.0000000034 0.000 Elb/hr 7.58E-10 3.95E-10 3.59E-10 0.000 lb/mmBtuCO2 7.16E-13 3.73E-13 3.37E-13 0.000 ng/dscm 7.60E-04 3.87E-04 3.55E-04 0.001 ng/dscm@7%O2 7.88E-04 4.14E-04 3.71E-04 0.001 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000067 0.0000000045 0.0000000039 0.000 Elb/hr 7.16E-10 4.80E-10 4.12E-10 0.000 lb/mmBtuCO2 6.75E-13 4.54E-13 3.86E-13 0.000 ng/dscm 7.17E-04 4.70E-04 4.07E-04 0.001 ng/dscm@7%O2 7.44E-04 5.03E-04 4.25E-04 0.001 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000083 0.0000000056 0.0000000048 0.000 Elb/hr 8.87E-10 5.98E-10 5.07E-10 0.000 lb/mmBtuCO2 8.37E-13 5.65E-13 4.75E-13 0.000 ng/dscm 8.89E-04 5.85E-04 5.01E-04 0.001 ng/dscm@7%O2 9.22E-04 6.26E-04 5.24E-04 0.001 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000032 0.0000000016 0.0000000013 0.000 Elb/hr 3.42E-10 1.71E-10 1.37E-10 0.000 lb/mmBtuCO2 3.23E-13 1.61E-13 1.29E-13 0.000 ng/dscm 3.43E-04 1.67E-04 1.36E-04 0.000 ng/dscm@7%O2 3.56E-04 1.79E-04 1.42E-04 0.000 

### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000025 0.0000000017 0.00000000086 0.000 Elb/hr 2.67E-10 1.81E-10 9.09E-11 0.000 lb/mmBtuCO2 2.52E-13 1.71E-13 8.51E-14 0.000 ng/dscm 2.68E-04 1.78E-04 8.97E-05 0.000 ng/dscm@7%O2 2.78E-04 1.90E-04 9.37E-05 0.000 

### Compound: 1,2,3,6,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.000000002 0.0000000019 0.00000000098 0.000 Elb/hr 2.14E-10 2.03E-10 1.04E-10 0.000



### Monday, January 31, 2011 Page 9 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

lb/mmBtuCO2 2.02E-13 1.92E-13 9.70E-14 0.000 ng/dscm 2.14E-04 1.99E-04 1.02E-04 0.000 ng/dscm@7%O2 2.22E-04 2.13E-04 1.07E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000029 0.0000000011 0.0000000013 0.000 Elb/hr 3.10E-10 1.17E-10 1.37E-10 0.000 lb/mmBtuCO2 2.92E-13 1.11E-13 1.29E-13 0.000 ng/dscm 3.11E-04 1.15E-04 1.36E-04 0.000 ng/dscm@7%O2 3.23E-04 1.23E-04 1.42E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000029 0.0000000016 0.0000000019 0.000 Elb/hr 3.10E-10 1.71E-10 2.01E-10 0.000 lb/mmBtuCO2 2.92E-13 1.61E-13 1.88E-13 0.000 ng/dscm 3.11E-04 1.67E-04 1.98E-04 0.000 ng/dscm@7%O2 3.23E-04 1.79E-04 2.07E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000027 0.00000000066 0.00000000053 0.000 Elb/hr 2.88E-10 7.04E-11 5.60E-11 0.000 lb/mmBtuCO2 2.72E-13 6.66E-14 5.25E-14 0.000 ng/dscm 2.89E-04 6.90E-05 5.53E-05 0.000 ng/dscm@7%O2 3.00E-04 7.38E-05 5.78E-05 0.000 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 1 2 3 Mass_mg 0.0000000055 0.0000000018 0.00000000093 0.000 Elb/hr 5.87E-10 1.92E-10 9.83E-11 0.000 lb/mmBtuCO2 5.54E-13 1.82E-13 9.20E-14 0.000 ng/dscm 5.89E-04 1.88E-04 9.70E-05 0.000 ng/dscm@7%O2 6.11E-04 2.01E-04 1.01E-04 0.000 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000027 0.0000000004 0.00000000084 0.000 Elb/hr 2.88E-10 4.27E-11 8.88E-11 0.000 lb/mmBtuCO2 2.72E-13 4.03E-14 8.31E-14 0.000 ng/dscm 2.89E-04 4.18E-05 8.76E-05 0.000 ng/dscm@7%O2 3.00E-04 4.47E-05 9.16E-05 0.000 

### Compound: 2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 1 2 3 Mass_mg 0.0000000055 0.0000000025 0.0000000024 0.000 Elb/hr 5.87E-10 2.67E-10 2.54E-10 0.000


### Monday, January 31, 2011 Page 10 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

lb/mmBtuCO2 5.54E-13 2.52E-13 2.38E-13 0.000 ng/dscm 5.89E-04 2.61E-04 2.50E-04 0.000 ng/dscm@7%O2 6.11E-04 2.79E-04 2.61E-04 0.000 

### Compound: 2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 1 2 3 Mass_mg 0.0000000236 0.0000000143 0.0000000114 0.000 Elb/hr 2.52E-09 1.53E-09 1.20E-09 0.000 lb/mmBtuCO2 2.38E-12 1.44E-12 1.13E-12 0.000 ng/dscm 2.53E-03 1.49E-03 1.19E-03 0.002 ng/dscm@7%O2 2.62E-03 1.59E-03 1.24E-03 0.002 

### Compound: 2,3,3',4,4'-PeCB (PCB105) Average RunNumber 1 2 3 Mass_mg 0.00000014 0.000000087 0.000000052 0.000 Elb/hr 1.50E-08 9.29E-09 5.50E-09 0.000 lb/mmBtuCO2 1.41E-11 8.77E-12 5.15E-12 0.000 ng/dscm 1.50E-02 9.09E-03 5.42E-03 0.010 ng/dscm@7%O2 1.56E-02 9.72E-03 5.66E-03 0.010 

### Compound: 2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 1 2 3 Mass_mg 0.000000011 0.0000000051 0.0000000041 0.000 Elb/hr 1.17E-09 5.44E-10 4.33E-10 0.000 lb/mmBtuCO2 1.11E-12 5.14E-13 4.06E-13 0.000 ng/dscm 1.18E-03 5.33E-04 4.28E-04 0.001 ng/dscm@7%O2 1.22E-03 5.70E-04 4.47E-04 0.001 

### Compound: 2,3,4,4',5-PeCB (PCB114) Average RunNumber 1 2 3 Mass_mg 0.000000012 0.0000000035 0.0000000037 0.000 Elb/hr 1.28E-09 3.74E-10 3.91E-10 0.000 lb/mmBtuCO2 1.21E-12 3.53E-13 3.66E-13 0.000 ng/dscm 1.29E-03 3.66E-04 3.86E-04 0.001 ng/dscm@7%O2 1.34E-03 3.91E-04 4.03E-04 0.001 

### Compound: 2,3',4,4',5-PeCB (PCB118) Average RunNumber 1 2 3 Mass_mg 0.00000037 0.00000022 0.00000012 0.000 Elb/hr 3.95E-08 2.35E-08 1.27E-08 0.000 lb/mmBtuCO2 3.73E-11 2.22E-11 1.19E-11 0.000 ng/dscm 3.96E-02 2.30E-02 1.25E-02 0.025 ng/dscm@7%O2 4.11E-02 2.46E-02 1.31E-02 0.026 

### Compound: 2',3,4,4',5-PeCB (PCB123) Average RunNumber 1 2 3 Mass_mg 0.000000021 0.0000000041 0.0000000042 0.000 Elb/hr 2.24E-09 4.38E-10 4.44E-10 0.000


### Monday, January 31, 2011 Page 11 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

lb/mmBtuCO2 2.12E-12 4.13E-13 4.16E-13 0.000 ng/dscm 2.25E-03 4.28E-04 4.38E-04 0.001 ng/dscm@7%O2 2.33E-03 4.58E-04 4.58E-04 0.001 

### Compound: 2,3,4,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000031 0.0000000015 0.0000000012 0.000 Elb/hr 3.31E-10 1.60E-10 1.27E-10 0.000 lb/mmBtuCO2 3.13E-13 1.51E-13 1.19E-13 0.000 ng/dscm 3.32E-04 1.57E-04 1.25E-04 0.000 ng/dscm@7%O2 3.44E-04 1.68E-04 1.31E-04 0.000 

### Compound: 2,3,4,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000029 0.00000000091 0.0000000012 0.000 Elb/hr 3.10E-10 9.71E-11 1.27E-10 0.000 lb/mmBtuCO2 2.92E-13 9.18E-14 1.19E-13 0.000 ng/dscm 3.11E-04 9.51E-05 1.25E-04 0.000 ng/dscm@7%O2 3.23E-04 1.02E-04 1.31E-04 0.000 

### Compound: 2,3,7,8-TCDD Average RunNumber 1 2 3 Mass_mg 0.00000000045 0.00000000043 0.00000000002 0.000 Elb/hr 4.81E-11 4.59E-11 2.11E-12 0.000 lb/mmBtuCO2 4.54E-14 4.34E-14 1.98E-15 0.000 ng/dscm 4.82E-05 4.49E-05 2.09E-06 0.000 ng/dscm@7%O2 5.00E-05 4.80E-05 2.18E-06 0.000 

### Compound: 2,3,7,8-TCDF Average RunNumber 1 2 3 Mass_mg 0.0000000053 0.0000000024 0.0000000023 0.000 Elb/hr 5.66E-10 2.56E-10 2.43E-10 0.000 lb/mmBtuCO2 5.34E-13 2.42E-13 2.28E-13 0.000 ng/dscm 5.68E-04 2.51E-04 2.40E-04 0.000 ng/dscm@7%O2 5.89E-04 2.68E-04 2.51E-04 0.000 

### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 1 2 3 Mass_mg 0.0000000078 0.0000000048 0.0000000054 0.000 Elb/hr 8.33E-10 5.12E-10 5.71E-10 0.000 lb/mmBtuCO2 7.86E-13 4.84E-13 5.34E-13 0.000 ng/dscm 8.35E-04 5.02E-04 5.63E-04 0.001 ng/dscm@7%O2 8.66E-04 5.37E-04 5.88E-04 0.001 

### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 1 2 3 Mass_mg 0.0000000064 0.0000000048 0.0000000049 0.000 Elb/hr 6.84E-10 5.12E-10 5.18E-10 0.000


### Monday, January 31, 2011 Page 12 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Process Run Data lb/mmBtuCO2 6.45E-13 4.84E-13 4.85E-13 0.000 ng/dscm 6.85E-04 5.02E-04 5.11E-04 0.001 ng/dscm@7%O2 7.11E-04 5.37E-04 5.34E-04 0.001 

### Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 1 2 3 Mass_mg 0.00000007 0.000000048 0.000000027 0.000 Elb/hr 7.48E-09 5.12E-09 2.85E-09 0.000 lb/mmBtuCO2 7.06E-12 4.84E-12 2.67E-12 0.000 ng/dscm 7.50E-03 5.02E-03 2.82E-03 0.005 ng/dscm@7%O2 7.78E-03 5.37E-03 2.95E-03 0.005 

### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 1 2 3 Mass_mg 0.000000011 0.0000000092 0.0000000036 0.000 Elb/hr 1.17E-09 9.82E-10 3.80E-10 0.000 lb/mmBtuCO2 1.11E-12 9.28E-13 3.56E-13 0.000 ng/dscm 1.18E-03 9.61E-04 3.75E-04 0.001 ng/dscm@7%O2 1.22E-03 1.03E-03 3.92E-04 0.001 

### Compound: DeCB Average RunNumber 1 2 3 Mass_mg 0.000000021 0.000000016 0.000000043 0.000 Elb/hr 2.24E-09 1.71E-09 4.54E-09 0.000 lb/mmBtuCO2 2.12E-12 1.61E-12 4.26E-12 0.000 ng/dscm 2.25E-03 1.67E-03 4.48E-03 0.003 ng/dscm@7%O2 2.33E-03 1.79E-03 4.68E-03 0.003 

### Compound: OCDD Average RunNumber 1 2 3 Mass_mg 0.000000027 0.000000014 0.000000015 0.000 Elb/hr 2.88E-09 1.49E-09 1.59E-09 0.000 lb/mmBtuCO2 2.72E-12 1.41E-12 1.48E-12 0.000 ng/dscm 2.89E-03 1.46E-03 1.56E-03 0.002 ng/dscm@7%O2 3.00E-03 1.56E-03 1.63E-03 0.002 

### Compound: OCDF Average RunNumber 1 2 3 Mass_mg 0.0000000073 0.0000000015 0.0000000036 0.000 Elb/hr 7.80E-10 1.60E-10 3.80E-10 0.000 lb/mmBtuCO2 7.36E-13 1.51E-13 3.56E-13 0.000 ng/dscm 7.82E-04 1.57E-04 3.75E-04 0.000 ng/dscm@7%O2 8.11E-04 1.68E-04 3.92E-04 0.000



### Monday, January 31, 2011 Page 13 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Process Run Data

APCD Run Data 

### Run Name Value UOM Comments Target Value 1 Heat Input 935.6Million Btus/hr 0


### 2 Heat Input 942.5Million Btus/hr 0
3 Heat Input 955.8Million Btus/hr 0
1 Average Heat Input 935.6Million Btus/hr 0


### 2 Average Heat Input 942.5Million Btus/hr 0
3 Average Heat Input 955.8Million Btus/hr 0
1 Coal Firing Rate 1681 Tons/day 0


### 2 Coal Firing Rate 1511 Tons/day 0
3 Coal Firing Rate 955.8 Tons/day 0
1 Fuel Oil Firing Rate 0 gallons 0


### 2 Fuel Oil Firing Rate 0 gallons 0
3 Fuel Oil Firing Rate 0 gallons 0
1 Flue Gas Flow Rate 469538 dscfm 0


### 2 Flue Gas Flow Rate 461854 dscfm 0
3 Flue Gas Flow Rate 463417 dscfm 0
1 Unit Net Electric Generation 83.7 MWh 0


### 2 Unit Net Electric Generation 89.9 MWh 0
3 Unit Net Electric Generation 88.1 MWh 0
1 Flue Gas Carbon Dioxide Content 10.6 % 0


### 2 Flue Gas Carbon Dioxide Content 10.6 % 0
3 Flue Gas Carbon Dioxide Content 10.7 % 0
1 Flue Gas Sampling Point Temperature 286.9 Deg F 0


### 2 Flue Gas Sampling Point Temperature 272.9 Deg F 0
3 Flue Gas Sampling Point Temperature 270.4 Deg F 0


### 1 Unit Gross Electrical Output 89.3 MW 0
2 Unit Gross Electrical Output 95.3 MW 0
3 Unit Gross Electrical Output 93.8 MW 0


### 1 Steam Output 611.51000 lb steam/hr 0
2 Steam Output 661.11000 lb steam/hr 0
3 Steam Output 669.51000 lb steam/hr 0

Run Name Value UOM Comments Target Value 

### 1 ELECTROSTATIC PRECIPITATOR 0 0 Monday, January 31, 2011 Page 14 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Process Lab Run Data 1 0 0

Run Name Value UOM Comments 

### 1 Fuel Higher Heating Value 9013 Btu/lb 1 Fuel Moisture 22.87 % 1 Fuel Mercury Content 0.114 mg/kg 1 Fuel Cadmium Content 0.09 mg/kg 

### 1 Fuel Nickel Content 5 mg/kg 1 Fuel Arsenic Content 1.5 mg/kg 1 Fuel Chromium Content 6 mg/kg 

### 1 Fuel Beryllium Content 0.3 mg/kg 1 Fuel Lead Content 6.2 mg/kg 1 Fuel Manganese Content 10 mg/kg 1 Fuel Chlorine Content 16 ppm 

### 1 Fuel Fluorine Content 48.2 ppm 2 Fuel Higher Heating Value 9006 Btu/lb 2 Fuel Moisture 23.16 % 

### 2 Fuel Mercury Content 0.099 mg/kg 2 Fuel Cadmium Content 0.08 mg/kg 2 Fuel Nickel Content 5 mg/kg 2 Fuel Arsenic Content 1.6 mg/kg 

### 2 Fuel Chromium Content 6 mg/kg 2 Fuel Beryllium Content 0.3 mg/kg 2 Fuel Lead Content 7.2 mg/kg 

### 2 Fuel Manganese Content 9 mg/kg 2 Fuel Chlorine Content 16 ppm 2 Fuel Fluorine Content 57.6 ppm 3 Fuel Higher Heating Value 8954 Btu/lb 

### 3 Fuel Moisture 23.92 % 3 Fuel Mercury Content 0.113 mg/kg 3 Fuel Cadmium Content 0.07 mg/kg 

### 3 Fuel Nickel Content 4 mg/kg 3 Fuel Arsenic Content 1.6 mg/kg 3 Fuel Chromium Content 6 mg/kg 3 Fuel Beryllium Content 0.3 mg/kg 

### 3 Fuel Lead Content 3.8 mg/kg 3 Fuel Manganese Content 8 mg/kg 3 Fuel Chlorine Content 58 ppm 

### 3 Fuel Fluorine Content 47.1 ppm

Monday, January 31, 2011 Page 15 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Sampling / Stack Data Results Detail



### Location Unit 1 - Method 23 Average Run Number 1 2 3 Test Date 3/30/2010 3/31/2010 4/1/2010 Run Start Time 7:31:00 AM7:36:00 AM 7:36:00 AM Run Finish Time 4:00:00 PM 3:50:00 PM 3:44:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 480 480 480 Nozzle Diameter, inches 0.21 0.21 0.21 0.210 Pitot Tube Coefficient 0.82 0.82 0.82 0.820 Dry Gas Meter Calibration Factor 1.002 1.002 1.002 1.002 Barometric Pressure, inches of Mercury 24.6 24.78 24.66 24.680 Average Orifice Meter Differential, inches H2O 1.76 1.81 1.83 1.800 Dry Gas Meter Volume Sampled, cubic feet 407.138 408.796 409.506 408.480 Average Dry Gas Meter Temperature, °F 79.78 72.73 70.05 74.187 Dry Gas Meter Volume Sampled, dscf 329.821 338.039 338.719 335.526 Total Moisture Liquid collected, g 788.9 775.3 844.6 802.933 Volume of Water Vapor, standard cubic feet 37.13 36.49 39.76 37.793 Moisture Content of Stack Gas, % 10.12 9.74 10.51 10.123 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8988 0.9026 0.8949 0.899 Carbon Dioxide, % 12.2 11.9 12.1 12.067 Oxygen, % 7.5 7.9 7.6 7.667 Carbon Monoxide & Nitrogen, % 80.3 80.2 80.3 80.267 Fuel Factor 1.10 1.09 1.10 Dry Molecular Weight, lb/lb-Mole 30.25 30.22 30.24 30.237 Wet Molecular weight, lb/lb-Mole 29.01 29.03 28.95 28.997 Flue Gas Static Pressure, inches of H2O -2 -2 -2 -2.000 Absolute Flue Gas Pressure, inches of Mercury 24.45 24.63 24.51 24.530 Average Stack Gas Temperature, °F 280.83 282.52 269.21 277.520 Average Velocity Head, inches of H2O 1.5513063124 38621.606163719

23255 1.583392556

10785 1.580
Average Stack Gas Velocity, feet/second 89.23 90.54 89.42 89.730 Stack Cross-Sectional Area, square feet 95.033 95.033 95.033 95.033 Dry Volumetric Flow Rate, dry scfm 266,337.5 272,765.9 270,643.7269,915.700 Actual Wet Volumetric Flue Gas Flow Rate, acfm 508,787.7 516,257.3 509,871.1511,638.700 Percent Isokinetic of Sampling Rate, % 101.9 102.0 103.0 102.300 Percent Excess Air, % 54.7 59.5 55.9 56.700 F-Factor, dscfm/MMBtu @ %O2 9820 9820 9820 9,820.000 Round Duct Diameter, inches 132 132 132 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw Fc 1840 1840 1840 1,840.000



### Monday, January 31, 2011 Page 16 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A CO2 Average Run Number 1 10 11 Test Date 3/30/2010 4/1/2010 4/1/2010 Run Start Time 7:31:00 AM9:41:00 AM11:48:00 AM Run Finish Time 9:31:00 AM11:41:00 AM 1:48:00 PM Carbon Dioxide, % 12.4 12.2 12.1 12.233 Oxygen, % 7.2 7.5 7.6 7.433 Fuel Factor 1.11 1.1 1.1 Dry Volumetric Flow Rate, dry scfm 266323 270613 270613269,183.000 F-Factor, dscfm/MMBtu @ %O2 9190 0 0 3,063.333 Moisture, % 10.1 10.5 10.5 10.367 Analyzer Make Servomex Servomex Servomex Analyzer Model 1415C 1415C 1415C Analyzer Serial Number 1415C/474 1415C/474 1415C/474 Operating Range 19.6 19.6 19.6 19.600 Operating Units % % % No. Readings/Avg. 0 0 0 0.000 Calibration Set 1 3 3 2.333 Calibration Pre Zero Cylinder ID CC-131138(2) CC131138(2) CC131138(2) Calibration Pre Zero Cylinder Instrument Response 0.1 0.1 0.1 0.100 Calibration Pre Zero Cylinder Bias 0.51 0.51 0.51 0.510 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM017313(2 )ALM017313

(2)ALM017313(

2) Calibration Pre High Cylinder Instrument Response 10.3 10.1 10.1 10.167 Calibration Pre High Cylinder Bias 0 -1.02 -1.02 -0.680 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC-131138(2) CC131138(2) CC131138(2) Calibration Post Zero Cylinder Instrument Response 0.1 0.1 0.1 0.100 Calibration Post Zero Cylinder Bias 0.51 0.51 0.51 0.510 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID ALM017313(2 )ALM017313

(2)ALM017313(

2) Calibration Post High Cylinder Instrument Response 10.3 10.1 10.1 10.167 Calibration Post High Cylinder Bias 0 -1.02 -1.02 -0.680 Calibration Post High Cylinder Drift 0 0 0 0.000 Cavg 12.6 12.2 12.1 12.300 Cavg Units %vd %vd %vd Cgas 12.3775 12.221 12.12 12.240 Cgas Units %vd %vd %vd Fuel Type Override Override Override Fw 10320 0 0 3,440.000 Fc 1420 0 0 473.333 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, January 31, 2011 Page 17 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A CO2 3 Average Run Number 12 2 3 Test Date 4/1/2010 3/30/2010 3/30/2010 Run Start Time 1:54:00 PM9:40:00 AM11:48:00 AM Run Finish Time 3:54:00 PM11:40:00 AM 1:48:00 PM Carbon Dioxide, % 12 12.3 12.1 12.133 Oxygen, % 7.7 7.2 7.6 7.500 Fuel Factor 1.1 1.11 1.1 Dry Volumetric Flow Rate, dry scfm 270613 266323 266323267,753.000 F-Factor, dscfm/MMBtu @ %O2 9190 9780 0 6,323.333 Moisture, % 10.5 10.1 10.1 10.233 Analyzer Make Servomex Servomex Servomex Analyzer Model 1415C 1415C 1415C Analyzer Serial Number 1415C/474 1415C/474 1415C/474 Operating Range 19.6 19.6 19.6 19.600 Operating Units % % % No. Readings/Avg. 0 0 0 0.000 Calibration Set 3 1 1 1.667 Calibration Pre Zero Cylinder ID CC-131138(2) CC131138(2) CC131138(2) Calibration Pre Zero Cylinder Instrument Response 0.1 0.1 0.1 0.100 Calibration Pre Zero Cylinder Bias 0.51 0.51 0.51 0.510 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM017313(2 )ALM017313

(2)ALM017313(

2) Calibration Pre High Cylinder Instrument Response 10.1 10.3 10.2 10.200 Calibration Pre High Cylinder Bias -1.02 0 -0.51 -0.510 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC-131138(2) CC131138(2) CC131138(2) Calibration Post Zero Cylinder Instrument Response 0.1 0.1 0.2 0.133 Calibration Post Zero Cylinder Bias 0.51 0.51 1.02 0.680 Calibration Post Zero Cylinder Drift 0 0 0.51 0.170 Calibration Post High Cylinder ID ALM017313(2 )ALM017313

(2)ALM017313(

2) Calibration Post High Cylinder Instrument Response 10.1 10.2 10.3 10.200 Calibration Post High Cylinder Bias -1.02 -0.51 0 -0.510 Calibration Post High Cylinder Drift 0 0.51 0.51 0.340 Cavg 12 12.5 12.2 12.233 Cavg Units %vd %vd %vd Cgas 12.019 12.3389 12.05 12.136 Cgas Units %vd %vd %vd Fuel Type Override Override Override Fw 10320 10640 0 6,986.667 Fc 1420 1800 0 1,073.333 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, January 31, 2011 Page 18 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A CO2 3 6 Average Run Number 4 5 6 Test Date 3/30/2010 3/31/2010 3/31/2010 Run Start Time 1:56:00 PM7:36:00 AM 9:42:00 AM Run Finish Time 4:10:00 PM9:36:00 AM11:42:00 AM Carbon Dioxide, % 12.2 11.9 12 12.033 Oxygen, % 7.6 8 8 7.867 Fuel Factor 1.09 1.08 1.08 Dry Volumetric Flow Rate, dry scfm 266323 272725 272725270,591.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 10.1 9.7 9.7 9.833 Analyzer Make Servomex Servomex Servomex Analyzer Model 1415C 1415C 1415C Analyzer Serial Number 1415C/474 1415C/474 1415C/474 Operating Range 19.6 19.6 19.6 19.600 Operating Units % % % No. Readings/Avg. 0 0 0 0.000 Calibration Set 1 2 2 1.667 Calibration Pre Zero Cylinder ID CC-131138(2) CC131138(2) CC131138(2) Calibration Pre Zero Cylinder Instrument Response 0.2 0.1 0.2 0.167 Calibration Pre Zero Cylinder Bias 1.02 0.51 1.02 0.850 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM017313(2 )ALM017313

(2)ALM017313(

2) Calibration Pre High Cylinder Instrument Response 10.3 10.2 10.2 10.233 Calibration Pre High Cylinder Bias 0 -0.51 -0.51 -0.340 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC-131138(2) CC131138(2) CC131138(2) Calibration Post Zero Cylinder Instrument Response 0 0.2 0.1 0.100 Calibration Post Zero Cylinder Bias 0 1.02 0.51 0.510 Calibration Post Zero Cylinder Drift 1.02 0.51 0.51 0.680 Calibration Post High Cylinder ID ALM017313(2 )ALM017313

(2)ALM017313(

2) Calibration Post High Cylinder Instrument Response 10.1 10.2 10.1 10.133 Calibration Post High Cylinder Bias -1.02 -0.51 -1.02 -0.850 Calibration Post High Cylinder Drift 1.02 0 0.51 0.510 Cavg 12.3 12 12 12.100 Cavg Units %vd %vd %vd Cgas 12.2 11.909 11.9685 12.026 Cgas Units %vd %vd %vd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, January 31, 2011 Page 19 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A CO2 3 6 9 Average Run Number 7 8 9 Test Date 3/31/2010 3/31/2010 4/1/2010 Run Start Time 11:55:00 AM 2:04:00 PM 7:36:00 AM Run Finish Time 1:55:00 PM 4:04:00 PM 9:36:00 AM Carbon Dioxide, % 11.9 11.9 12.3 12.033 Oxygen, % 7.8 7.8 7.5 7.700 Fuel Factor 1.1 1.1 1.09 Dry Volumetric Flow Rate, dry scfm 272725 272725 270613272,021.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 9.7 9.7 10.5 9.967 Analyzer Make Servomex Servomex Servomex Analyzer Model 1415C 1415C 1415C Analyzer Serial Number 1415C/474 1415C/474 1415C/474 Operating Range 19.6 0 19.6 13.067 Operating Units % % No. Readings/Avg. 0 0 0 0.000 Calibration Set 2 2 3 2.333 Calibration Pre Zero Cylinder ID CC-131138(2) CC131138(2) CC131138(2) Calibration Pre Zero Cylinder Instrument Response 0.1 0.2 0.1 0.133 Calibration Pre Zero Cylinder Bias 0.51 1.02 0.51 0.680 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM017313(2 )ALM017313

(2)ALM017313(

2) Calibration Pre High Cylinder Instrument Response 10.1 10.4 10.2 10.233 Calibration Pre High Cylinder Bias -1.02 0.51 -0.51 -0.340 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC-131138(2) CC131138(2) CC131138(2) Calibration Post Zero Cylinder Instrument Response 0.2 0.1 0.1 0.133 Calibration Post Zero Cylinder Bias 1.02 0.51 0.51 0.680 Calibration Post Zero Cylinder Drift 0.51 0.51 0 0.340 Calibration Post High Cylinder ID ALM017313(2 )ALM017313

(2)ALM017313(

2) Calibration Post High Cylinder Instrument Response 10.4 10.2 10.1 10.233 Calibration Post High Cylinder Bias 0.51 -0.51 -1.02 -0.340 Calibration Post High Cylinder Drift 1.53 1.02 0.51 1.020 Cavg 12 12.1 12.3 12.133 Cavg Units %vd %vd %vd Cgas 11.85 11.8911 12.2607 12.001 Cgas Units %vd %vd %vd Fuel Type Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, January 31, 2011 Page 20 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A O2 Average Run Number 1 10 11 Test Date 3/30/2010 4/1/2010 4/1/2010 Run Start Time 7:31:00 AM9:41:00 AM11:48:00 AM Run Finish Time 9:31:00 AM11:41:00 AM 1:48:00 PM Carbon Dioxide, % 12.4 12.2 12.1 12.233 Oxygen, % 7.2 7.5 7.6 7.433 Fuel Factor 1.08 1.09 1.1 Dry Volumetric Flow Rate, dry scfm 266323 270613 270613269,183.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 10.1 10.5 10.5 10.367 Analyzer Make Servomex Servomex Servomex Analyzer Model 1420C 1420C 1420C Analyzer Serial Number 1420C/16891420C/1689 1420C/1689 Operating Range 21.1 21.1 21.1 21.100 Operating Units % % % No. Readings/Avg. 0 0 0 0.000 Calibration Set 4 6 6 5.333 Calibration Pre Zero Cylinder ID CC-131138(1) CC131138(1) CC131138(1) Calibration Pre Zero Cylinder Instrument Response 0.1 0.1 0.2 0.133 Calibration Pre Zero Cylinder Bias 0.47 0.47 0.95 0.630 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM017313(1 )ALM017313

(1)ALM017313(

1) Calibration Pre High Cylinder Instrument Response 10 10 10 10.000 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-131138(1) CC131138(1) CC131138(1) Calibration Post Zero Cylinder Instrument Response 0.1 0.2 0.2 0.167 Calibration Post Zero Cylinder Bias 0.47 0.95 0.95 0.790 Calibration Post Zero Cylinder Drift 0 0.48 0 0.160 Calibration Post High Cylinder ID ALM017313(1 )ALM017313

(1)ALM017313(

1) Calibration Post High Cylinder Instrument Response 10 10 10 10.000 Calibration Post High Cylinder Bias 0 0 0 0.000 Calibration Post High Cylinder Drift 0 0 0 0.000 Cavg 7.2 7.5 7.6 7.433 Cavg Units %vd %vd %vd Cgas 7.1717 7.4619 7.551 7.395 Cgas Units %vd %vd %vd Fuel Type Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, January 31, 2011 Page 21 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A O2 3 Average Run Number 12 2 3 Test Date 4/1/2010 3/30/2010 3/30/2010 Run Start Time 1:54:00 PM9:40:00 AM11:48:00 AM Run Finish Time 3:54:00 PM11:40:00 AM 1:48:00 PM Carbon Dioxide, % 12 12.3 12.1 12.133 Oxygen, % 7.7 7.2 7.6 7.500 Fuel Factor 1.1 1.09 1.11 Dry Volumetric Flow Rate, dry scfm 270613 266323 266323267,753.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 10.5 10.1 10.1 10.233 Analyzer Make Servomex Servomex Servomex Analyzer Model 1420C 1420C 1420C Analyzer Serial Number 1420C/16891420C/1689 1420C/1689 Operating Range 21.1 21.1 21.1 21.100 Operating Units % % % No. Readings/Avg. 0 0 0 0.000 Calibration Set 6 4 4 4.667 Calibration Pre Zero Cylinder ID CC-131138(1) CC131138(1) CC131138(1) Calibration Pre Zero Cylinder Instrument Response 0.2 0.1 0 0.100 Calibration Pre Zero Cylinder Bias 0.95 0.47 0 0.473 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM017313(1 )ALM017313

(1)ALM017313(

1) Calibration Pre High Cylinder Instrument Response 10 10 10 10.000 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-131138(1) CC131138(1) CC131138(1) Calibration Post Zero Cylinder Instrument Response 0 0 0.1 0.033 Calibration Post Zero Cylinder Bias 0 0 0.47 0.157 Calibration Post Zero Cylinder Drift 0.95 0.47 0.47 0.630 Calibration Post High Cylinder ID ALM017313(1 )ALM017313

(1)ALM017313(

1) Calibration Post High Cylinder Instrument Response 10.2 10 10 10.067 Calibration Post High Cylinder Bias 0.95 0 0 0.317 Calibration Post High Cylinder Drift 0.95 0 0 0.317 Cavg 7.8 7.2 7.6 7.533 Cavg Units %vd %vd %vd Cgas 7.7 7.1859 7.5879 7.491 Cgas Units %vd %vd %vd Fuel Type Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, January 31, 2011 Page 22 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A O2 3 6 Average Run Number 4 5 6 Test Date 3/30/2010 3/31/2010 3/31/2010 Run Start Time 1:56:00 PM7:36:00 AM 9:42:00 AM Run Finish Time 4:10:00 PM9:36:00 AM11:42:00 AM Carbon Dioxide, % 12.2 11.9 12 12.033 Oxygen, % 7.6 8 8 7.867 Fuel Factor 1.1 1.09 1.08 Dry Volumetric Flow Rate, dry scfm 266323 272725 272725270,591.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 10.1 9.7 9.7 9.833 Analyzer Make Servomex Servomex Servomex Analyzer Model 1420C 1420C 1420C Analyzer Serial Number 1420C/16891420C/1689 1420C/1689 Operating Range 21.1 21.1 21.1 21.100 Operating Units % % % No. Readings/Avg. 0 0 0 0.000 Calibration Set 4 5 5 4.667 Calibration Pre Zero Cylinder ID CC-131138(1) CC131138(1) CC131138(1) Calibration Pre Zero Cylinder Instrument Response 0.1 0 0 0.033 Calibration Pre Zero Cylinder Bias 0.47 0 0 0.157 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM017313(1 )ALM017313

(1)ALM017313(

1) Calibration Pre High Cylinder Instrument Response 10 10 10 10.000 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-131138(1) CC131138(1) CC131138(1) Calibration Post Zero Cylinder Instrument Response 0 0 0.2 0.067 Calibration Post Zero Cylinder Bias 0 0 0.95 0.317 Calibration Post Zero Cylinder Drift 0.47 0 0.95 0.473 Calibration Post High Cylinder ID ALM017313(1 )ALM017313

(1)ALM017313(

1) Calibration Post High Cylinder Instrument Response 9.9 10 10 9.967 Calibration Post High Cylinder Bias -0.47 0 0 -0.157 Calibration Post High Cylinder Drift 0.47 0 0 0.157 Cavg 7.6 8 8 7.867 Cavg Units %vd %vd %vd Cgas 7.6263 8 7.9798 7.869 Cgas Units %vd %vd %vd Fuel Type Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, January 31, 2011 Page 23 of 24

### PacifiCorp Dave Johnston Unit 1 ICR

Location Unit 1 - Method 3A O2 3 6 9 Average Run Number 7 8 9 Test Date 3/31/2010 3/31/2010 4/1/2010 Run Start Time 11:55:00 AM 2:04:00 PM 7:36:00 AM Run Finish Time 1:55:00 PM 4:04:00 PM 9:36:00 AM Carbon Dioxide, % 11.9 11.9 12.3 12.033 Oxygen, % 7.8 7.8 7.5 7.700 Fuel Factor 1.09 1.09 1.08 Dry Volumetric Flow Rate, dry scfm 272725 272725 270613272,021.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 9.7 9.7 10.5 9.967 Analyzer Make Servomex Servomex Servomex Analyzer Model 1420C 1420C 1420C Analyzer Serial Number 1420C/16891420C/1689 1420C/1689 Operating Range 21.1 21.1 21.1 21.100 Operating Units % % No. Readings/Avg. 0 0 0 0.000 Calibration Set 5 5 6 5.333 Calibration Pre Zero Cylinder ID CC-131138(1) CC131138(1) CC131138(1) Calibration Pre Zero Cylinder Instrument Response 0.2 -0.2 0 0.000 Calibration Pre Zero Cylinder Bias 0.95 -0.95 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM017313(1 )ALM017313

(1)ALM017313(

1) Calibration Pre High Cylinder Instrument Response 10 9.9 10 9.967 Calibration Pre High Cylinder Bias 0 -0.47 0 -0.157 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC-131138(1) CC131138(1) CC131138(1) Calibration Post Zero Cylinder Instrument Response -0.2 -0.2 0.1 -0.100 Calibration Post Zero Cylinder Bias -0.95 -0.95 0.47 -0.477 Calibration Post Zero Cylinder Drift 1.9 0 0.47 0.790 Calibration Post High Cylinder ID ALM017313(1 )ALM017313

(1)ALM017313(

1) Calibration Post High Cylinder Instrument Response 9.9 9.9 10 9.933 Calibration Post High Cylinder Bias -0.47 -0.47 0 -0.313 Calibration Post High Cylinder Drift 0.47 0 0 0.157 Cavg 7.8 7.7 7.5 7.667 Cavg Units %vd %vd %vd Cgas 7.8392 7.8218 7.4874 7.716 Cgas Units %vd %vd %vd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, January 31, 2011 Page 24 of 24