### Name: Caitlin Schiebel

Title: Air Compliance Specialist Company: American Municipal Power Sign Date: Name: Carl Vineyard Title: Utility MACT Program Manager Company: Grace Consulting, Inc. Sign Date: 9/3/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## AMERICAN MUNICIPAL POWER

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.

Tuesday, January 18, 2011 Page 1 of 28

### AMERICAN MUNICIPAL POWER

Facility Information: American Municipal Power, RH Gorsuch St
1111Schrock Road
Suite 100
Columbus OH43229 Contact:Caitlin Schiebel Phone: 614-540-1111 Fax: Email: cschiebel@amppartners.org Testing Company: Grace Consulting, Inc.
510 Dickson Street

Wellington OH44090 Contact:Carl Vineyard Phone:440-647-6672 Fax: 440-647-6673 Email: carlvineyard@gcitest.com

Air Permit Number: 06-84-02-0037 Permitted Source ID/Name: RHGorsuch AMP Permitted Maximum Process Rate: Max. Normal Operation Process Rate: 510 mmBtu/hr Target Process Test Rate 510 mmBtu/hr

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Unit 3 is a 53.3 MW coal-fired boiler, using bituminous coal the feed rate is approsimately 25 tons of coal per hour. A Upstream Downstream drawing is attached. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 3911900004 FRS #: 110000850525

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 Duct 3 148 236 5 106.8 25 96 120

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Carbon Monoxide Method 10 3 180 0 Duct 3 Total organic compounds

(TOC) as Propane Method 25A 3 180 0 Duct 3

Hydrogen Chloride Method 26A 3 188 0 Duct 3 Hydrogen Fluoride Method 26A 3 188 0 Duct 3 Total PM2.5 OTM - 27/28 3 180 0 Duct 3 Filterable Particulate OTM - 27/28 3 180 0 Duct 3 Filterable PM2.5 OTM - 27/28 3 180 0 Duct 3


### Tuesday, January 18, 2011 Page 2 of 28

### AMERICAN MUNICIPAL POWER

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. The HCN was sampled using CTM 033 with 2 Normal NaOH and an additional impinger for one hour per the clarification givenby the USEPA. The Comment Section has additional explanations.

Inorganic (Aqueous) Condensible Part. OTM - 27/28 3 180 0 Duct 3

Total Particulate OTM - 27/28 3 180 0 Duct 3 Organic Condensible

Particulate OTM - 27/28 3 180 0 Duct 3

Cobalt Method 29 3 250 0 Duct 3 Phosphorus (yellow or white) Method 29 3 250 0 Duct 3 Nickel Method 29 3 250 0 Duct 3 Manganese Method 29 3 250 0 Duct 3 Filterable Particulate Method 29 3 250 0 Duct 3 Beryllium Method 29 3 250 0 Duct 3 Chromium Method 29 3 250 0 Duct 3 Cadmium Method 29 3 250 0 Duct 3 Selenium Method 29 3 250 0 Duct 3 Antimony Method 29 3 250 0 Duct 3 Arsenic Method 29 3 250 0 Duct 3 Lead Method 29 3 250 0 Duct 3 Co2 Method 3A CO2 3 180 0 Duct 3 O2 Method 3A O2 3 180 0 Duct 3 Sulfur Dioxide Method 6C 3 180 0 Duct 3 Nitrogen oxides (NOx) Method 7E 3 180 0 Duct 3



### Tuesday, January 18, 2011 Page 3 of 28

### AMERICAN MUNICIPAL POWER

Sampling / Stack Data Results Summary



### Location Duct 3 - Method 10 Average Run Number 1 2 3
Test Date 6/17/2010 6/17/2010 6/17/2010 Run Start Time 12:15:00 PM3:15:00 PM 6:00:00 PM
Run Finish Time 2:45:00 PM5:43:00 PM 8:29:00 PM Carbon Dioxide, % 9.5 9.3 9.3 9.367 Oxygen, % 8.1 7.9 7.7 7.900 Dry Volumetric Flow Rate, dry scfm 267656 271415 275855 271,642.000 F-Factor, dscfm/MMBtu @ %O2 9789 9785 9106 9,560.000 Moisture, % 6.42 6.65 6.45 6.507 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Duct 3 - Method 25A Average Run Number 1 2 3
Test Date 6/17/2010 6/17/2010 6/17/2010 Run Start Time 12:15:00 PM3:15:00 PM 6:00:00 PM
Run Finish Time 2:45:00 PM5:43:00 PM 8:29:00 PM Carbon Dioxide, % 9.5 9.3 9.3 9.367 Oxygen, % 8.1 7.9 7.7 7.900 Dry Volumetric Flow Rate, dry scfm 267656 271415 275855 271,642.000 F-Factor, dscfm/MMBtu @ %O2 9789 9785 9106 9,560.000 Moisture, % 6.42 6.65 6.45 6.507 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 4 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 26A Average Run Number 1 2 3
Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM5:20:00 PM 8:05:00 AM
Run Finish Time 4:53:45 PM8:28:45 PM11:14:45 AM Net Run Time, minutes 187.5 187.5 187.5 Dry Gas Meter Volume Sampled, dscf 154.191 158.783 155.354 156.109 Moisture Content of Stack Gas, % 6.80 6.66 6.38 6.613 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Average Stack Gas Temperature, °F 316.48 307.96 316.26 313.567 Dry Volumetric Flow Rate, dry scfm 251,475.8 256,239.5 252,107.6 253,274.300 Actual Wet Volumetric Flue Gas Flow Rate, acfm 396,672.0 399,552.0 395,376.0 397,200.000 Percent Isokinetic of Sampling Rate, % 99.1 100.2 99.6 99.633 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Duct 3 - Method 29 Average Run Number 1 2 3
Test Date 6/15/2010 6/15/2010 6/16/2010 Run Start Time 11:15:00 AM4:45:00 PM 8:05:00 AM
Run Finish Time 4:00:00 PM9:25:00 PM 12:40:00 PM Net Run Time, minutes 250 250 250 Dry Gas Meter Volume Sampled, dscf 202.604 206.323 209.787 206.238 Moisture Content of Stack Gas, % 7.17 7.54 7.68 7.463 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 9.6 9.9 10.1 9.867 Oxygen, % 9.6 9.4 9.2 9.400 Average Stack Gas Temperature, °F 316.98 315.82 316.28 316.360 Dry Volumetric Flow Rate, dry scfm 246,013.9 247,788.5 249,119.6 247,640.667 Actual Wet Volumetric Flue Gas Flow Rate, acfm 390,768.0 394,704.0 396,864.0 394,112.000 Percent Isokinetic of Sampling Rate, % 99.8 100.9 102.1 100.933 F-Factor, dscfm/MMBtu @ %O2 9266 9907 9814 9,662.333
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 5 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A CO2 Average Run Number 1 2 3
Test Date 6/15/2010 6/15/2010 6/16/2010 Run Start Time 11:15:00 AM4:45:00 PM 8:05:00 AM
Run Finish Time 4:00:00 PM9:25:00 PM 12:37:00 PM Carbon Dioxide, % 9.6 9.9 10.1 9.867 Oxygen, % 9.6 9.4 9.2 9.400 Dry Volumetric Flow Rate, dry scfm 264982 267999 269812 267,597.667 F-Factor, dscfm/MMBtu @ %O2 9266 9907 9814 9,662.333 Moisture, % 7.17 7.54 7.68 7.463 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Duct 3 - Method 3A CO2 3 Average Run Number 4 5 6
Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM5:20:00 PM 8:05:00 AM
Run Finish Time 4:53:00 PM8:28:00 PM 11:13:00 AM Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Dry Volumetric Flow Rate, dry scfm 270025 274527 269454 271,335.333 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Moisture, % 6.81 6.67 6.38 6.620 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 6 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A CO2 3 6 Average Run Number 7 8 9
Test Date 6/17/2010 6/17/2010 6/17/2010 Run Start Time 12:15:00 PM3:15:00 PM 6:00:00 PM
Run Finish Time 2:45:00 PM5:43:00 PM 8:29:00 PM Carbon Dioxide, % 9.5 9.3 9.3 9.367 Oxygen, % 8.1 7.9 7.7 7.900 Dry Volumetric Flow Rate, dry scfm 267656 271415 275855 271,642.000 F-Factor, dscfm/MMBtu @ %O2 9789 9785 9106 9,560.000 Moisture, % 6.42 6.65 6.45 6.507 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Duct 3 - Method 3A O2 Average Run Number 1 2 3
Test Date 6/15/2010 6/15/2010 6/16/2010 Run Start Time 11:15:00 AM4:45:00 PM 8:05:00 AM
Run Finish Time 4:00:00 PM9:25:00 PM 12:37:00 PM Carbon Dioxide, % 9.6 9.9 10.1 9.867 Oxygen, % 9.6 9.4 9.2 9.400 Dry Volumetric Flow Rate, dry scfm 264982 267999 269812 267,597.667 F-Factor, dscfm/MMBtu @ %O2 9266 9907 9814 9,662.333 Moisture, % 7.17 7.54 7.68 7.463 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 7 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A O2 3 Average Run Number 4 5 6
Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM5:20:00 PM 8:05:00 AM
Run Finish Time 4:53:00 PM8:28:00 PM11:13:00 AM Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Dry Volumetric Flow Rate, dry scfm 270025 274527 269454 271,335.333 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Moisture, % 6.81 6.67 6.38 6.620 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Duct 3 - Method 3A O2 3 6 Average Run Number 7 8 9
Test Date 6/17/2010 6/17/2010 6/17/2010 Run Start Time 12:15:00 PM3:15:00 PM 6:00:00 PM
Run Finish Time 2:45:00 PM5:43:00 PM 8:29:00 PM Carbon Dioxide, % 9.5 9.3 9.3 9.367 Oxygen, % 8.1 7.9 7.7 7.900 Dry Volumetric Flow Rate, dry scfm 267656 271415 275855 271,642.000 F-Factor, dscfm/MMBtu @ %O2 9789 9785 9106 9,560.000 Moisture, % 6.42 6.65 6.45 6.507 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 1800 0 0 600.000



### Tuesday, January 18, 2011 Page 8 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 6C Average Run Number 1 2 3
Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM5:20:00 PM 8:05:00 AM
Run Finish Time 4:53:00 PM8:28:00 PM11:13:00 AM Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Dry Volumetric Flow Rate, dry scfm 270025 274527 269454 271,335.333 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Moisture, % 6.81 6.67 6.38 6.620 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Duct 3 - Method 7E Average Run Number 1 2 3
Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM5:20:00 PM 8:05:00 AM
Run Finish Time 4:53:00 PM8:28:00 PM 11:13:00 AM Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Dry Volumetric Flow Rate, dry scfm 270025 274527 269454 271,335.333 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Moisture, % 6.81 6.67 6.38 6.620 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 9 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - OTM - 27/28 Average Run Number 27/28-1 27/28-2 27/28-3
Test Date 6/15/2010 6/15/2010 6/16/2010 Run Start Time 11:15:00 AM4:45:00 PM 8:00:00 AM
Run Finish Time 2:30:18 PM8:07:24 PM11:27:54 AM Net Run Time, minutes 179.8 179.9 180 Dry Gas Meter Volume Sampled, dscf 66.166 63.786 65.945 65.299 Moisture Content of Stack Gas, % 7.79 7.91 7.74 7.813 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 9.6 9.9 10.1 9.867 Oxygen, % 9.6 9.4 9.2 9.400 Average Stack Gas Temperature, °F 316.75 313.50 312.75 314.333 Dry Volumetric Flow Rate, dry scfm 240,107.0 236,101.3 239,821.0 238,676.433 Actual Wet Volumetric Flue Gas Flow Rate, acfm 384,480.0 376,848.0 380,688.0 380,672.000 Percent Isokinetic of Sampling Rate, % 102.6 100.6 102.3 101.833 F-Factor, dscfm/MMBtu @ %O2 9266 9907 9814 9,662.333
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 10 of 28

### AMERICAN MUNICIPAL POWER

Emissions Summary



### Location: Duct 3 - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 1.07E-02 1.82E-02 1.63E-02 0.015 ppm 9.23E+00 1.59E+01 1.55E+01 13.543 ppm@7%O2 1.00E+01 1.70E+01 1.63E+01 14.433



### Location: Duct 3 - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 4.44E-03 5.73E-03 7.31E-03 0.006 ppm 2.43E+00 3.18E+00 4.43E+00 3.347 ppm@7%O2 2.64E+00 3.40E+00 4.66E+00 3.567



### Location: Duct 3 - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 34.8 35.9 32.9 34.533 lb/mmBtuO2 8.02E-03 7.68E-03 7.62E-03 0.008 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 185 192 201 192.667 lb/mmBtuO2 4.26E-02 4.11E-02 4.65E-02 0.043



### Location: Duct 3 - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.00335 0.00295 0.00275 0.003 lb/mmBtuO2 6.25E-07 5.68E-07 5.07E-07 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.0272 0.0235 0.0295 0.027 lb/mmBtuO2 5.07E-06 4.52E-06 5.43E-06 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.0015 0.00166 0.00156 0.002 lb/mmBtuO2 2.80E-07 3.19E-07 2.87E-07 0.000



### Tuesday, January 18, 2011 Page 11 of 28

### AMERICAN MUNICIPAL POWER

Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.00119 0.00316 0.00112 0.002 lb/mmBtuO2 2.22E-07 6.08E-07 2.06E-07 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.03132 0.03822 0.02572 0.032 lb/mmBtuO2 5.84E-06 7.35E-06 4.74E-06 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.0095 0.00683 0.0061 0.007 lb/mmBtuO2 1.77E-06 1.31E-06 1.12E-06 0.000 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 76 178.8 283.5 179.433 lb/mmBtuO2 1.42E-02 3.44E-02 5.22E-02 0.034 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.0498 0.0432 0.0219 0.038 lb/mmBtuO2 9.29E-06 8.31E-06 4.03E-06 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.02777 0.02807 0.01907 0.025 lb/mmBtuO2 5.18E-06 5.40E-06 3.51E-06 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0278 0.0254 0.0211 0.025 lb/mmBtuO2 5.18E-06 4.89E-06 3.89E-06 0.000 

### Compound: Phosphorus (yellow or white) Average RunNumber 1 2 3 Mass_mg 0.2623 0.2283 0.2233 0.238 lb/mmBtuO2 4.89E-05 4.39E-05 4.11E-05 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.4687 0.9927 1.1947 0.885 lb/mmBtuO2 8.74E-05 1.91E-04 2.20E-04 0.000



### Tuesday, January 18, 2011 Page 12 of 28

### AMERICAN MUNICIPAL POWER

Location: Duct 3 - Method 6C 

### Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 2.76E+00 2.58E+00 2.70E+00 2.680 ppm 1.03E+03 1.01E+03 9.97E+02 1,012.333 ppm@7%O2 1.14E+03 1.14E+03 1.19E+03 1,156.667



### Location: Duct 3 - Method 7E 

### Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 2.79E-01 2.49E-01 2.49E-01 0.259 ppm 1.45E+02 1.35E+02 1.28E+02 136.000 ppm@7%O2 1.60E+02 1.53E+02 1.53E+02 155.333



### Location: Duct 3 - OTM - 27/28 

### Compound: Filterable Particulate Average RunNumber 27/28-1 27/28-2 27/28-3 Mass_mg 8.4 30.1 11.6 16.700 lb/mmBtuO2 4.80E-03 1.87E-02 6.80E-03 0.010 

### Compound: Filterable PM2.5 Average RunNumber 27/28-1 27/28-2 27/28-3 Mass_mg 4.2 11.4 5 6.867 lb/mmBtuO2 2.40E-03 7.09E-03 2.93E-03 0.004 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 27/28-1 27/28-2 27/28-3 Mass_mg 63.5 48.4 39.6 50.500 lb/mmBtuO2 3.63E-02 3.01E-02 2.32E-02 0.030 

### Compound: Organic Condensible Particulate Average RunNumber 27/28-1 27/28-2 27/28-3 Mass_mg 11.8 13.8 7.4 11.000 lb/mmBtuO2 6.74E-03 8.59E-03 4.34E-03 0.007 

### Compound: Total Particulate Average RunNumber 27/28-1 27/28-2 27/28-3 Mass_mg 83.7 92.3 58.6 78.200 lb/mmBtuO2 4.78E-02 5.74E-02 3.43E-02 0.047 

### Compound: Total PM2.5 Average RunNumber 27/28-1 27/28-2 27/28-3 Mass_mg 79.5 73.6 52 68.367 lb/mmBtuO2 4.54E-02 4.58E-02 3.05E-02 0.041


### Tuesday, January 18, 2011 Page 13 of 28

### AMERICAN MUNICIPAL POWER

Process Run Data



### Tuesday, January 18, 2011 Page 14 of 28

### AMERICAN MUNICIPAL POWER

Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Heat Input 549 mmBtu/hr 510


### 1 Steam Flow 540 Klb/hr 500
1 Net MW 47 MWh 43
2 Heat Input 538 mmBtu/hr 510


### 2 Steam Flow 530 Klb/hr 500
2 Net MW 47 MWh 43
3 Heat Input 517 mmBtu/hr 510


### 3 Steam Flow 513 Klb/hr 500
3 Net MW 45 MWh 43



### Tuesday, January 18, 2011 Page 15 of 28

### AMERICAN MUNICIPAL POWER

Sampling / Stack Data Results Detail



### Location Duct 3 - Method 10 Average Run Number 1 2 3 Test Date 6/17/2010 6/17/2010 6/17/2010 Run Start Time 12:15:00 PM 3:15:00 PM 6:00:00 PM Run Finish Time 2:45:00 PM 5:43:00 PM 8:29:00 PM Carbon Dioxide, % 9.5 9.3 9.3 9.367 Oxygen, % 8.1 7.9 7.7 7.900 Fuel Factor 1.35 1.4 1.42 Dry Volumetric Flow Rate, dry scfm 267656 271415 275855271,642.000 F-Factor, dscfm/MMBtu @ %O2 9789 9785 9106 9,560.000 Moisture, % 6.42 6.65 6.45 6.507 Analyzer Make Horiba Horiba Horiba Analyzer Model VIA-510 VIA-510 VIA-510 Analyzer Serial Number 570124044 570124044 570124044570,124,044 .000 Operating Range 45.6 45.6 45.6 45.600 Operating Units ppm ppm ppm No. Readings/Avg. 125 125 125 125.000 Calibration Set 12 12 12 12.000 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.08 0.16 0.01 0.083 Calibration Pre Zero Cylinder Bias -0.33 -0.15 -0.48 -0.320 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0003219 EB0003219 EB0003219 Calibration Pre High Cylinder Instrument Response 30.29 30.33 30.01 30.210 Calibration Pre High Cylinder Bias 0.37 0.46 -0.24 0.197 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.16 0.01 0.09 0.087 Calibration Post Zero Cylinder Bias -0.15 -0.48 -0.31 -0.313 Calibration Post Zero Cylinder Drift 0.18 0.33 0.17 0.227 Calibration Post High Cylinder ID EB0003219 EB0003219 EB0003219 Calibration Post High Cylinder Instrument Response 30.33 30.01 30.17 30.170 Calibration Post High Cylinder Bias 0.46 -0.24 0.11 0.110 Calibration Post High Cylinder Drift 0.09 0.7 0.35 0.380 Cavg 9.17 15.62 15.19 13.327 Cavg Units ppmvd ppmvd ppmvd Cgas 9.2329 15.9042 15.523 13.553 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 16 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 25A Average Run Number 1 2 3 Test Date 6/17/2010 6/17/2010 6/17/2010 Run Start Time 12:15:00 PM 3:15:00 PM 6:00:00 PM Run Finish Time 2:45:00 PM 5:43:00 PM 8:29:00 PM Carbon Dioxide, % 9.5 9.3 9.3 9.367 Oxygen, % 8.1 7.9 7.7 7.900 Fuel Factor 1.35 1.4 1.42 Dry Volumetric Flow Rate, dry scfm 267656 271415 275855271,642.000 F-Factor, dscfm/MMBtu @ %O2 9789 9785 9106 9,560.000 Moisture, % 6.42 6.65 6.45 6.507 Analyzer Make Thermo Env.Thermo Env. Thermo Env. Analyzer Model 51 51 51 51.000 Analyzer Serial Number 4723 4723 4723 4,723.000 Operating Range 9.03 9.03 9.03 9.030 Operating Units ppm ppm ppm No. Readings/Avg. 125 125 125 125.000 Calibration Set 11 11 11 11.000 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.02 0.02 0.07 0.037 Calibration Pre Zero Cylinder Bias -0.33 -0.33 0.22 -0.147 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC243371 CC243371 CC243371 Calibration Pre High Cylinder Instrument Response 5.23 5.33 5.31 5.290 Calibration Pre High Cylinder Bias 0.22 1.33 1.11 0.887 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.02 0.07 0.01 0.033 Calibration Post Zero Cylinder Bias -0.33 0.22 -0.44 -0.183 Calibration Post Zero Cylinder Drift 0 0.55 0.66 0.403 Calibration Post High Cylinder ID CC243371 CC243371 CC243371 Calibration Post High Cylinder Instrument Response 5.33 5.31 5.26 5.300 Calibration Post High Cylinder Bias 1.33 1.11 0.55 0.997 Calibration Post High Cylinder Drift 1.11 0.22 0.56 0.630 Cavg 2.42 3.2 4.41 3.343 Cavg Units ppmvd ppmvd ppmvd Cgas 2.4274 3.1819 4.4325 3.347 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 17 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 26A Average Run Number 1 2 3 Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM 5:20:00 PM 8:05:00 AM Run Finish Time 4:53:45 PM 8:28:45 PM11:14:45 AM Net Traversing Points 50 50 50 Net Run Time, minutes 187.5 187.5 187.5 Nozzle Diameter, inches 0.22 0.22 0.22 0.220 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1 1 1 1.000 Barometric Pressure, inches of Mercury 29.83 29.83 29.87 29.843 Average Orifice Meter Differential, inches H2O 2.44 2.56 2.34 2.447 Dry Gas Meter Volume Sampled, cubic feet 160.877 166.842 159.482 162.400 Average Dry Gas Meter Temperature, °F 92.54 96.62 84.24 91.133 Dry Gas Meter Volume Sampled, dscf 154.191 158.783 155.354 156.109 Total Moisture Liquid collected, g 239 240.7 224.9 234.867 Volume of Water Vapor, standard cubic feet 11.25 11.33 10.59 11.057 Moisture Content of Stack Gas, % 6.80 6.66 6.38 6.613 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.932 0.9334 0.9362 0.934 Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Carbon Monoxide & Nitrogen, % 81.6 81.7 81.8 81.700 Fuel Factor 1.25 1.27 1.30 Dry Molecular Weight, lb/lb-Mole 29.95 29.90 29.80 29.883 Wet Molecular weight, lb/lb-Mole 29.14 29.11 29.05 29.100 Flue Gas Static Pressure, inches of H2O 1.4 0.91 1.2 1.170 Absolute Flue Gas Pressure, inches of Mercury 29.93 29.90 29.96 29.930 Average Stack Gas Temperature, °F 316.48 307.96 316.26 313.567 Average Velocity Head, inches of H2O 1.4875060540 2911.522842636

71977 1.475119635

51515 1.495

Average Stack Gas Velocity, feet/second 82.64 83.24 82.37 82.750 Stack Cross-Sectional Area, square feet 80.000 80.000 80.000 80.000 Dry Volumetric Flow Rate, dry scfm 251,475.8 256,239.5 252,107.6253,274.300 Actual Wet Volumetric Flue Gas Flow Rate, acfm 396,672.0 399,552.0 395,376.0397,200.000 Percent Isokinetic of Sampling Rate, % 99.1 100.2 99.6 99.633 Percent Excess Air, % 62.7 66.3 75.6 68.200 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Round Duct Diameter, inches Rectangular Duct Width, inches 96 96 96 Rectangular Duct Length, inches 120 120 120 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 18 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 29 Average Run Number 1 2 3 Test Date 6/15/2010 6/15/2010 6/16/2010 Run Start Time 11:15:00 AM 4:45:00 PM 8:05:00 AM Run Finish Time 4:00:00 PM 9:25:00 PM 12:40:00 PM Net Traversing Points 50 50 50 Net Run Time, minutes 250 250 250 Nozzle Diameter, inches 0.22 0.22 0.22 0.220 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1 1 1 1.000 Barometric Pressure, inches of Mercury 29.78 29.78 29.83 29.797 Average Orifice Meter Differential, inches H2O 2.39 2.48 2.39 2.420 Dry Gas Meter Volume Sampled, cubic feet 211.944 217.363 216.755 215.354 Average Dry Gas Meter Temperature, °F 93.00 97.04 87.10 92.380 Dry Gas Meter Volume Sampled, dscf 202.604 206.323 209.787 206.238 Total Moisture Liquid collected, g 332.4 357.3 370.7 353.467 Volume of Water Vapor, standard cubic feet 15.65 16.82 17.45 16.640 Moisture Content of Stack Gas, % 7.17 7.54 7.68 7.463 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9283 0.9246 0.9232 0.925 Carbon Dioxide, % 9.6 9.9 10.1 9.867 Oxygen, % 9.6 9.4 9.2 9.400 Carbon Monoxide & Nitrogen, % 80.8 80.7 80.7 80.733 Fuel Factor 1.18 1.16 1.16 Dry Molecular Weight, lb/lb-Mole 29.92 29.96 29.98 29.953 Wet Molecular weight, lb/lb-Mole 29.07 29.06 29.06 29.063 Flue Gas Static Pressure, inches of H2O 1.1 0.91 1.1 1.037 Absolute Flue Gas Pressure, inches of Mercury 29.86 29.85 29.91 29.873 Average Stack Gas Temperature, °F 316.98 315.82 316.28 316.360 Average Velocity Head, inches of H2O 1.4357124850 11761.465997135

2393 1.484422448

5935 1.462

Average Stack Gas Velocity, feet/second 81.41 82.23 82.68 82.107 Stack Cross-Sectional Area, square feet 80.000 80.000 80.000 80.000 Dry Volumetric Flow Rate, dry scfm 246,013.9 247,788.5 249,119.6247,640.667 Actual Wet Volumetric Flue Gas Flow Rate, acfm 390,768.0 394,704.0 396,864.0394,112.000 Percent Isokinetic of Sampling Rate, % 99.8 100.9 102.1 100.933 Percent Excess Air, % 81.8 79.0 76.0 78.933 F-Factor, dscfm/MMBtu @ %O2 9266 9907 9814 9,662.333 Round Duct Diameter, inches Rectangular Duct Width, inches 96 96 96 Rectangular Duct Length, inches 120 120 120 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 19 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A CO2 Average Run Number 1 2 3 Test Date 6/15/2010 6/15/2010 6/16/2010 Run Start Time 11:15:00 AM 4:45:00 PM 8:05:00 AM Run Finish Time 4:00:00 PM 9:25:00 PM 12:37:00 PM Carbon Dioxide, % 9.6 9.9 10.1 9.867 Oxygen, % 9.6 9.4 9.2 9.400 Fuel Factor 1.18 1.16 1.16 Dry Volumetric Flow Rate, dry scfm 264982 267999 269812267,597.667 F-Factor, dscfm/MMBtu @ %O2 9266 9907 9814 9,662.333 Moisture, % 7.17 7.54 7.68 7.463 Analyzer Make Calif. Analytical Calif.

Analytical Calif.

Analytical Analyzer Model 200 200 200 200.000 Analyzer Serial Number 1L05017 1L05017 1L05017 Operating Range 18 18 18 18.000 Operating Units % % % No. Readings/Avg. 250 250 250 250.000 Calibration Set 1 1 2 1.333 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.06 0.12 0.11 0.097 Calibration Pre Zero Cylinder Bias 0.28 0.61 0.28 0.390 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0018561 EB0018561 EB0018561 Calibration Pre High Cylinder Instrument Response 9.07 9.12 9.09 9.093 Calibration Pre High Cylinder Bias 0 0.28 0.61 0.297 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.12 0.04 0.03 0.063 Calibration Post Zero Cylinder Bias 0.61 0.17 -0.17 0.203 Calibration Post Zero Cylinder Drift 0.33 0.44 0.45 0.407 Calibration Post High Cylinder ID EB0018561 EB0018561 EB0018561 Calibration Post High Cylinder Instrument Response 9.12 9.01 8.97 9.033 Calibration Post High Cylinder Bias 0.28 -0.33 -0.06 -0.037 Calibration Post High Cylinder Drift 0.28 0.61 0.67 0.520 Cavg 9.72 9.93 10.11 9.920 Cavg Units ppmvd ppmvd ppmvd Cgas 9.646 9.8884 10.1072 9.881 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 20 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A CO2 3 Average Run Number 4 5 6 Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM 5:20:00 PM 8:05:00 AM Run Finish Time 4:53:00 PM 8:28:00 PM11:13:00 AM Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Fuel Factor 1.25 1.27 1.3 Dry Volumetric Flow Rate, dry scfm 270025 274527 269454271,335.333 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Moisture, % 6.81 6.67 6.38 6.620 Analyzer Make Calif. Analytical Calif.

Analytical Calif.

Analytical Analyzer Model 200 200 200 200.000 Analyzer Serial Number 1L05017 1L05017 1L05017 Operating Range 18.1 18.1 18.1 18.100 Operating Units % % % No. Readings/Avg. 188 188 188 188.000 Calibration Set 3 3 4 3.333 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.02 0.09 0.13 0.080 Calibration Pre Zero Cylinder Bias -0.39 0 0.66 0.090 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0001460_C O2EB0001460_

CO2 EB0001460_

CO2 Calibration Pre High Cylinder Instrument Response 9.07 9.02 9.16 9.083 Calibration Pre High Cylinder Bias -0.28 -0.55 0.39 -0.147 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.09 0.07 0.11 0.090 Calibration Post Zero Cylinder Bias 0 -0.11 0.55 0.147 Calibration Post Zero Cylinder Drift 0.39 0.11 0.11 0.203 Calibration Post High Cylinder ID EB0001460_C O2EB0001460_

CO2 EB0001460_

CO2 Calibration Post High Cylinder Instrument Response 9.02 9.12 8.93 9.023 Calibration Post High Cylinder Bias -0.55 0 -0.88 -0.477 Calibration Post High Cylinder Drift 0.27 0.55 1.27 0.697 Cavg 10.15 9.85 9.01 9.670 Cavg Units ppmvd ppmvd ppmvd Cgas 10.0725 9.7483 8.9348 9.585 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 21 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A CO2 3 6 Average Run Number 7 8 9 Test Date 6/17/2010 6/17/2010 6/17/2010 Run Start Time 12:15:00 PM 3:15:00 PM 6:00:00 PM Run Finish Time 2:45:00 PM 5:43:00 PM 8:29:00 PM Carbon Dioxide, % 9.5 9.3 9.3 9.367 Oxygen, % 8.1 7.9 7.7 7.900 Fuel Factor 1.35 1.4 1.42 Dry Volumetric Flow Rate, dry scfm 267656 271415 275855271,642.000 F-Factor, dscfm/MMBtu @ %O2 9789 9785 9106 9,560.000 Moisture, % 6.42 6.65 6.45 6.507 Analyzer Make Calif. Analytical Calif.

Analytical Calif.

Analytical Analyzer Model 200 200 200 200.000 Analyzer Serial Number 1L05017 1L05017 1L05017 Operating Range 18.1 18.1 18.1 18.100 Operating Units % % % No. Readings/Avg. 125 125 125 125.000 Calibration Set 5 5 5 5.000 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.09 0.09 0.09 0.090 Calibration Pre Zero Cylinder Bias 0.17 0.17 0.17 0.170 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0001460_C O2EB0001460_

CO2 EB0001460_

CO2 Calibration Pre High Cylinder Instrument Response 9.01 9.01 9.07 9.030 Calibration Pre High Cylinder Bias -0.72 -0.72 -0.39 -0.610 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.09 0.09 0.09 0.090 Calibration Post Zero Cylinder Bias 0.17 0.17 0.17 0.170 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID EB0001460_C O2EB0001460_

CO2 EB0001460_

CO2 Calibration Post High Cylinder Instrument Response 9.07 9.07 9.12 9.087 Calibration Post High Cylinder Bias -0.39 -0.39 -0.11 -0.297 Calibration Post High Cylinder Drift 0.33 0.33 0.28 0.313 Cavg 9.54 9.37 9.43 9.447 Cavg Units ppmvd ppmvd ppmvd Cgas 9.4711 9.3007 9.3037 9.359 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 22 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A O2 Average Run Number 1 2 3 Test Date 6/15/2010 6/15/2010 6/16/2010 Run Start Time 11:15:00 AM 4:45:00 PM 8:05:00 AM Run Finish Time 4:00:00 PM 9:25:00 PM 12:37:00 PM Carbon Dioxide, % 9.6 9.9 10.1 9.867 Oxygen, % 9.6 9.4 9.2 9.400 Fuel Factor 1.18 1.16 1.16 Dry Volumetric Flow Rate, dry scfm 264982 267999 269812267,597.667 F-Factor, dscfm/MMBtu @ %O2 9266 9907 9814 9,662.333 Moisture, % 7.17 7.54 7.68 7.463 Analyzer Make Calif. Analytical Calif.

Analytical Calif.

Analytical Analyzer Model 200 200 200 200.000 Analyzer Serial Number 1L05017 1L05017 1L05017 Operating Range 22.4 22.4 22.4 22.400 Operating Units % % % No. Readings/Avg. 250 250 250 250.000 Calibration Set 6 6 7 6.333 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.09 0.11 0.02 0.073 Calibration Pre Zero Cylinder Bias 0.31 0.4 -0.13 0.193 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0001460 EB0001460 EB0001460 Calibration Pre High Cylinder Instrument Response 11.08 11.02 11.08 11.060 Calibration Pre High Cylinder Bias 0.13 -0.13 0.45 0.150 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.11 0.09 0.15 0.117 Calibration Post Zero Cylinder Bias 0.4 0.31 0.45 0.387 Calibration Post Zero Cylinder Drift 0.09 0.09 0.58 0.253 Calibration Post High Cylinder ID EB0001460 EB0001460 EB0001460 Calibration Post High Cylinder Instrument Response 11.02 11.01 11.03 11.020 Calibration Post High Cylinder Bias -0.13 -0.18 0.22 -0.030 Calibration Post High Cylinder Drift 0.26 0.05 0.23 0.180 Cavg 9.7 9.41 9.23 9.447 Cavg Units ppmvd ppmvd ppmvd Cgas 9.6438 9.3825 9.17 9.399 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 23 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A O2 3 Average Run Number 4 5 6 Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM 5:20:00 PM 8:05:00 AM Run Finish Time 4:53:00 PM 8:28:00 PM11:13:00 AM Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Fuel Factor 1.25 1.27 1.3 Dry Volumetric Flow Rate, dry scfm 270025 274527 269454271,335.333 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Moisture, % 6.81 6.67 6.38 6.620 Analyzer Make Calif. Analytical Calif.

Analytical Calif.

Analytical Analyzer Model 200 200 200 200.000 Analyzer Serial Number 1L05017 1L05017 1L05017 Operating Range 22.4 22.4 22.4 22.400 Operating Units % % % No. Readings/Avg. 188 188 188 188.000 Calibration Set 8 8 9 8.333 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.05 0.01 0.01 0.023 Calibration Pre Zero Cylinder Bias 0 -0.18 -0.09 -0.090 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0001460 EB0001460 EB0001460 Calibration Pre High Cylinder Instrument Response 11.03 11.11 11.09 11.077 Calibration Pre High Cylinder Bias 0.04 0.4 0.22 0.220 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.01 0.04 0.09 0.047 Calibration Post Zero Cylinder Bias -0.18 -0.04 0.27 0.017 Calibration Post Zero Cylinder Drift 0.18 0.14 0.36 0.227 Calibration Post High Cylinder ID EB0001460 EB0001460 EB0001460 Calibration Post High Cylinder Instrument Response 11.11 11.07 11.01 11.063 Calibration Post High Cylinder Bias 0.4 0.22 -0.13 0.163 Calibration Post High Cylinder Drift 0.36 0.18 0.35 0.297 Cavg 8.31 8.71 9.36 8.793 Cavg Units ppmvd ppmvd ppmvd Cgas 8.25 8.634 9.31 8.731 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 24 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 3A O2 3 6 Average Run Number 7 8 9 Test Date 6/17/2010 6/17/2010 6/17/2010 Run Start Time 12:15:00 PM 3:15:00 PM 6:00:00 PM Run Finish Time 2:45:00 PM 5:43:00 PM 8:29:00 PM Carbon Dioxide, % 9.5 9.3 9.3 9.367 Oxygen, % 8.1 7.9 7.7 7.900 Fuel Factor 1.35 1.4 1.42 Dry Volumetric Flow Rate, dry scfm 267656 271415 275855271,642.000 F-Factor, dscfm/MMBtu @ %O2 9789 9785 9106 9,560.000 Moisture, % 6.42 6.65 6.45 6.507 Analyzer Make Calif. Analytical Calif.

Analytical Calif.

Analytical Analyzer Model 200 200 200 200.000 Analyzer Serial Number 1L05017 1L05017 1L05017 Operating Range 22.4 22.4 22.4 22.400 Operating Units % % % No. Readings/Avg. 125 125 125 125.000 Calibration Set 10 10 10 10.000 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.03 0.01 0.02 0.020 Calibration Pre Zero Cylinder Bias 0 -0.09 -0.04 -0.043 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0001460 EB0001460 EB0001460 Calibration Pre High Cylinder Instrument Response 11.02 11.08 11.01 11.037 Calibration Pre High Cylinder Bias -0.13 0.13 -0.18 -0.060 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.01 0.02 0.07 0.033 Calibration Post Zero Cylinder Bias -0.09 -0.04 0.18 0.017 Calibration Post Zero Cylinder Drift 0.09 0.05 0.22 0.120 Calibration Post High Cylinder ID EB0001460 EB0001460 EB0001460 Calibration Post High Cylinder Instrument Response 11.08 11.01 11.09 11.060 Calibration Post High Cylinder Bias 0.13 -0.18 0.18 0.043 Calibration Post High Cylinder Drift 0.26 0.31 0.36 0.310 Cavg 8.1 7.89 7.76 7.917 Cavg Units ppmvd ppmvd ppmvd Cgas 8.058 7.8536 7.7115 7.874 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 1800 0 0 600.000 Cgasw 0 0 0 0.000 Cgasw Units



### Tuesday, January 18, 2011 Page 25 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 6C Average Run Number 1 2 3 Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM 5:20:00 PM 8:05:00 AM Run Finish Time 4:53:00 PM 8:28:00 PM11:13:00 AM Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Fuel Factor 1.25 1.27 1.3 Dry Volumetric Flow Rate, dry scfm 270025 274527 269454271,335.333 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Moisture, % 6.81 6.67 6.38 6.620 Analyzer Make Western research Western

Research Western

research Analyzer Model 721M 721M 721M Analyzer Serial Number 93-721M8062-6 93-721M8062-6 93-721M8062-6 Operating Range 898 1812 1812 1,507.333 Operating Units ppm ppm ppm No. Readings/Avg. 188 188 188 188.000 Calibration Set 15 15 16 15.333 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 1.18 0.09 0.17 0.480 Calibration Pre Zero Cylinder Bias -0.06 -0.12 -0.05 -0.077 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0001096 EB0001096 EB0001096 Calibration Pre High Cylinder Instrument Response 900.1 902.26 904.42 902.260 Calibration Pre High Cylinder Bias -0.06 0.06 0.13 0.043 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.09 2.83 2.33 1.750 Calibration Post Zero Cylinder Bias -0.12 0.03 0.07 -0.007 Calibration Post Zero Cylinder Drift 0.06 0.15 0.12 0.110 Calibration Post High Cylinder ID EB0001096 EB0001096 EB0001096 Calibration Post High Cylinder Instrument Response 902.26 904.49 901.34 902.697 Calibration Post High Cylinder Bias 0.06 0.18 -0.04 0.067 Calibration Post High Cylinder Drift 0.12 0.12 0.17 0.137 Cavg 1035.46 1013.21 1002.27 1,016.980 Cavg Units ppmvd ppmvd ppmvd Cgas 1031.9005 1007.3582 996.9899 1,012.083 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 26 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - Method 7E Average Run Number 1 2 3 Test Date 6/16/2010 6/16/2010 6/17/2010 Run Start Time 1:45:00 PM 5:20:00 PM 8:05:00 AM Run Finish Time 4:53:00 PM 8:28:00 PM11:13:00 AM Carbon Dioxide, % 10.1 9.7 8.9 9.567 Oxygen, % 8.3 8.6 9.3 8.733 Fuel Factor 1.25 1.27 1.3 Dry Volumetric Flow Rate, dry scfm 270025 274527 269454271,335.333 F-Factor, dscfm/MMBtu @ %O2 9712 9068 9055 9,278.333 Moisture, % 6.81 6.67 6.38 6.620 Analyzer Make Thermo Env.Thermo Env. Thermo Env. Analyzer Model 42C 42C 42C Analyzer Serial Number 42chl_67507_ 35742chl_67507

_35742chl_67507_

357 Operating Range 509 509 509 509.000 Operating Units ppm ppm ppm No. Readings/Avg. 188 188 188 188.000 Calibration Set 13 13 14 13.333 Calibration Pre Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Pre Zero Cylinder Instrument Response 0.06 0.03 1.14 0.410 Calibration Pre Zero Cylinder Bias -0.02 -0.02 0.03 -0.003 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID EB0003850 EB0003850 EB0003850 Calibration Pre High Cylinder Instrument Response 228.92 229.25 229.04 229.070 Calibration Pre High Cylinder Bias -1.34 -1.28 0.26 -0.787 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID EB0020529 EB0020529 EB0020529 Calibration Post Zero Cylinder Instrument Response 0.03 0.98 1.74 0.917 Calibration Post Zero Cylinder Bias -0.02 0.16 0.15 0.097 Calibration Post Zero Cylinder Drift 0 0.18 0.12 0.100 Calibration Post High Cylinder ID EB0003850 EB0003850 EB0003850 Calibration Post High Cylinder Instrument Response 229.25 231.12 231.93 230.767 Calibration Post High Cylinder Bias -1.28 -0.91 0.83 -0.453 Calibration Post High Cylinder Drift 6.0000000000 0001E-02 0.37 0.57 0.333

Cavg 143.47 134.49 127.62 135.193 Cavg Units ppmvd ppmvd ppmvd Cgas 145.2786 135.3384 127.8079 136.142 Cgas Units ppmvd ppmvd ppmvd 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



### Tuesday, January 18, 2011 Page 27 of 28

### AMERICAN MUNICIPAL POWER

Location Duct 3 - OTM - 27/28 Average Run Number 27/28-1 27/28-2 27/28-3 Test Date 6/15/2010 6/15/2010 6/16/2010 Run Start Time 11:15:00 AM 4:45:00 PM 8:00:00 AM Run Finish Time 2:30:18 PM 8:07:24 PM11:27:54 AM Net Traversing Points 12 12 12 Net Run Time, minutes 179.8 179.9 180 Nozzle Diameter, inches 0.148 0.148 0.148 0.148 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.002 1.002 1.002 1.002 Barometric Pressure, inches of Mercury 29.78 29.78 29.83 29.797 Average Orifice Meter Differential, inches H2O 0.47 0.47 0.47 0.470 Dry Gas Meter Volume Sampled, cubic feet 69.050 67.311 68.162 68.174 Average Dry Gas Meter Temperature, °F 90.17 96.33 85.83 90.777 Dry Gas Meter Volume Sampled, dscf 66.166 63.786 65.945 65.299 Total Moisture Liquid collected, g 118.7 116.4 117.4 117.500 Volume of Water Vapor, standard cubic feet 5.59 5.48 5.53 5.533 Moisture Content of Stack Gas, % 7.79 7.91 7.74 7.813 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9221 0.9209 0.9226 0.922 Carbon Dioxide, % 9.6 9.9 10.1 9.867 Oxygen, % 9.6 9.4 9.2 9.400 Carbon Monoxide & Nitrogen, % 80.8 80.7 80.7 80.733 Fuel Factor 1.18 1.16 1.16 Dry Molecular Weight, lb/lb-Mole 29.92 29.96 29.98 29.953 Wet Molecular weight, lb/lb-Mole 28.99 29.01 29.05 29.017 Flue Gas Static Pressure, inches of H2O 0.4 0.6 0.96 0.653 Absolute Flue Gas Pressure, inches of Mercury 29.81 29.82 29.90 29.843 Average Stack Gas Temperature, °F 316.75 313.50 312.75 314.333 Average Velocity Head, inches of H2O 1.3843636509 71251.336791862

03922 1.371149953

09655 1.364

Average Stack Gas Velocity, feet/second 80.10 78.51 79.31 79.307 Stack Cross-Sectional Area, square feet 80.000 80.000 80.000 80.000 Dry Volumetric Flow Rate, dry scfm 240,107.0 236,101.3 239,821.0238,676.433 Actual Wet Volumetric Flue Gas Flow Rate, acfm 384,480.0 376,848.0 380,688.0380,672.000 Percent Isokinetic of Sampling Rate, % 102.6 100.6 102.3 101.833 Percent Excess Air, % 81.8 79.0 76.0 78.933 F-Factor, dscfm/MMBtu @ %O2 9266 9907 9814 9,662.333 Round Duct Diameter, inches Rectangular Duct Width, inches 96 96 96 Rectangular Duct Length, inches 120 120 120 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Tuesday, January 18, 2011 Page 28 of 28