### Name:

Title: Company: Sign Date: Name: Brian Durkop Title: Vice President Company: EMSI Sign Date: 9/4/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Dynegy Danskammer Unit 4 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 18

### Dynegy Danskammer Unit 4

Facility Information: Dynegy Danskammer Generating Station 994 River Road

Newburgh NY 12550 Contact: Andrew Matura Phone: 845-563-4923 Fax: 845-563-4992 Email: andrew.d.matura@dynegy.com Testing Company: Eagle Mountain Scientific, Inc. 8905 Autumn Oaks Drive Suite 2 Rockford MN 55373 Contact: Brian Durkop Phone: 763-477-4462 Fax: 763-477-5991 Email: bdurkop@eagle-msi.com

Air Permit Number: 3-3346-00011/00002 Permitted Source ID/Name: Unit 4 4 Permitted Maximum Process Rate: NA Max. Normal Operation Process Rate: 250 MW Target Process Test Rate 225 MW

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: The Dynegy Danskammer Generating Station Unit 4 is a pulverized bituminous coal fired boiler. The boiler has a load of 250 Gross Megawatts (GMW). The unit is equipped with LNCFS – II Low NOx Burner Technology. Particulate emissions are controlled by electrostatic precipitators.

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. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 3607100002 FRS #: 110041167108

SCC / Description 10100202 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom (Bituminous Coal)

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

Location Round

Duct Diam. Distance from upstream dist. Distance from

downstream dist. Number of

Traverse Ports Equiv. Diam Min.Travers Points Rect. Duct Length /Width Stack Exit 158.23 888 1440 4 0 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Carbon Monoxide Method 10 3 180 0 Stack Exit Formaldehyde Method 0011 3 120 0 Stack Exit Total organic compounds

(TOC) as Propane Method 25A 3 120 0 Stack Exit

Sulfur Dioxide Method 6C 3 180 0 Stack Exit Nitrogen oxides (NOx) Method 7E 3 180 0 Stack Exit



### Friday, February 11, 2011 Page 2 of 18

### Dynegy Danskammer Unit 4

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.
None



### Friday, February 11, 2011 Page 3 of 18

### Dynegy Danskammer Unit 4

Sampling / Stack Data Results Summary


### Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 7/9/2010 7/9/2010 7/9/2010 Run Start Time 7:04:00 AM 10:11:00 AM 1:06:00 PM

Run Finish Time 9:13:00 AM 12:24:00 PM 3:17:00 PM

Net Run Time, minutes 120 120 120 Dry Gas Meter Volume Sampled, dscf 91.111 93.713 98.729 94.518 Moisture Content of Stack Gas, % 7.68 7.54 7.52 7.580 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 12.8 12.8 13 12.867 Oxygen, % 6 6 5.9 5.967 Average Stack Gas Temperature, °F 295.07 297.23 301.36 297.887 Dry Volumetric Flow Rate, dry scfm 573,555.8 587,760.8 607,277.9 589,531.500 Actual Wet Volumetric Flue Gas Flow Rate, acfm 893,227.0 916,577.8 951,972.6 920,592.467 Percent Isokinetic of Sampling Rate, % 99.0 99.3 101.3 99.867 F-Factor, dscfm/MMBtu @ %O2 9887 9753 9748 9,796.000 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Location Stack Exit - Method 10 Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Friday, February 11, 2011 Page 4 of 18

### Dynegy Danskammer Unit 4

Location Stack Exit - Method 25A Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Location Stack Exit - Method 6C Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Friday, February 11, 2011 Page 5 of 18

### Dynegy Danskammer Unit 4

Location Stack Exit - Method 7E Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Location Stack Exit - SW0010 Average Run Number Test Date Run Start Time Run Finish Time Net Run Time, minutes Dry Gas Meter Volume Sampled, dscf Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Carbon Dioxide, % Oxygen, % Average Stack Gas Temperature, °F Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % F-Factor, dscfm/MMBtu @ %O2 Fw Fc



### Friday, February 11, 2011 Page 6 of 18

### Dynegy Danskammer Unit 4

Emissions Summary

Process Run Data 

### Location: Stack Exit - Method 0011 Compound: Formaldehyde Average RunNumber 1 2 3 Mass_mg 0.17 0.08 0.17 0.140 lb/mmBtuO2 5.70E-05 2.57E-05 5.16E-05 0.000 ppm 5.28E-02 2.41E-02 4.87E-02 0.042 ppm@7%O2 4.93E-02 2.25E-02 4.51E-02 0.039



### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 3.15E-02 4.45E-02 3.96E-02 0.039 ppm 3.11E+01 4.51E+01 4.01E+01 38.767 ppm@7%O2 2.92E+01 4.18E+01 3.72E+01 36.067



### Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 ppm 0.00E+00 0.00E+00 0.00E+00 0.000 ppm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000



### Location: Stack Exit - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 9.63E-01 9.31E-01 9.34E-01 0.943 ppm 4.15E+02 4.12E+02 4.14E+02 413.667 ppm@7%O2 3.90E+02 3.82E+02 3.84E+02 385.333



### Location: Stack Exit - Method 7E Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 2.31E-01 2.30E-01 2.30E-01 0.230 ppm 1.38E+02 1.42E+02 1.42E+02 140.667 ppm@7%O2 1.30E+02 1.32E+02 1.32E+02 131.333



### Friday, February 11, 2011 Page 7 of 18

### Dynegy Danskammer Unit 4

Process Run Data



### Run Name Value UOM Comments Target Value 1 Average Heat Input 0 MMBtu/hr 0 

### 10 Average Heat Input 2257.2 MMBtu/hr 0 11 Average Heat Input 2247.3 MMBtu/hr 0 12 Average Heat Input 2250.0 MMBtu/hr 0 

### 2 Average Heat Input 0 MMBtu/hr 0 3 Average Heat Input 0 MMBtu/hr 0 4 Average Heat Input 0 MMBtu/hr 0 

### 5 Average Heat Input 0 MMBtu/hr 0 6 Average Heat Input 0 MMBtu/hr 0 7 Average Heat Input 0 MMBtu/hr 0 

### 8 Average Heat Input 0 MMBtu/hr 0 9 Average Heat Input 0 MMBtu/hr 0 1 Fuel Input 0 lbs/hr 

### 10 Fuel Input 93.29 lbs/hr 11 Fuel Input 93 lbs/hr 12 Fuel Input 92.92 lbs/hr 

### 2 Fuel Input 0 lbs/hr 3 Fuel Input 0 lbs/hr 4 Fuel Input 0 lbs/hr 

### 5 Fuel Input 0 lbs/hr 6 Fuel Input 0 lbs/hr 7 Fuel Input 0 lbs/hr 

### 8 Fuel Input 0 lbs/hr 9 Fuel Input 0 lbs/hr 

### 1 Unit Gross Electrical Output 0 Mwe Run 1 0 10 Unit Gross Electrical Output 243.11 Mwe Run 3 0 11 Unit Gross Electrical Output 242.06 Mwe Run 2 0 

### 12 Unit Gross Electrical Output 242.54 Mwe Run 1 0 2 Unit Gross Electrical Output 0 Mwe Run 2 0 3 Unit Gross Electrical Output 0 Mwe Run 3 0 

### 4 Unit Gross Electrical Output 0 Mwe Run 1 0 5 Unit Gross Electrical Output 0 Mwe Run 2 0 6 Unit Gross Electrical Output 0 Mwe Run 3 0



### Friday, February 11, 2011 Page 8 of 18

### Dynegy Danskammer Unit 4

APCD Run Data 7 Unit Gross Electrical Output 0 Mwe Run 1 0 

### 8 Unit Gross Electrical Output 0 Mwe Run 2 0 9 Unit Gross Electrical Output 0 Mwe Run 3 0 1 Opacity 0 % Dioxin/Furan Organic HAP Group 0

10 Opacity 6.4 % Non-Dioxin Organic HAP Group 0



### 11 Opacity 6.36 % Non-Dioxin Organic HAP Group 0

12 Opacity 6.28 % Non-Dioxin Organic HAP Group 0

2 Opacity 0 % Dioxin/Furan Organic HAP Group 0

3 Opacity 0 % Dioxin/Furan Organic HAP Group 0



### 4 Opacity 0 % Acid Gas HAP Group 0

5 Opacity 0 % Acid Gas HAP Group 0

6 Opacity 0 % Acid Gas HAP Group 0



### 7 Opacity 0 % Mercury and Metallic HAP Group 0

8 Opacity 0 % Mercury and Metallic HAP Group 0

9 Opacity 0 % Mercury and Metallic HAP Group 0



### 1 Heat Input 0 Million Btus/million BTU using CO2 0

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

### 10 ELECTROSTATIC PRECIPITATOR 0 kV 11 ELECTROSTATIC PRECIPITATOR 0 kV 12 ELECTROSTATIC PRECIPITATOR 0 kV



### Friday, February 11, 2011 Page 9 of 18

### Dynegy Danskammer Unit 4

Process Lab Run Data 2 ELECTROSTATIC PRECIPITATOR 0 kV 

### 3 ELECTROSTATIC PRECIPITATOR 0 kV 4 ELECTROSTATIC PRECIPITATOR 0 kV 5 ELECTROSTATIC PRECIPITATOR 0 kV 

### 6 ELECTROSTATIC PRECIPITATOR 0 kV 7 ELECTROSTATIC PRECIPITATOR 0 kV 8 ELECTROSTATIC PRECIPITATOR 0 kV 

### 9 ELECTROSTATIC PRECIPITATOR 0 kV 1 LNCFS-II Low Nox Burner 0 NA 0 10 LNCFS-II Low Nox Burner 0 NA 0 

### 11 LNCFS-II Low Nox Burner 0 NA 0 12 LNCFS-II Low Nox Burner 0 NA 0 2 LNCFS-II Low Nox Burner 0 NA 0 

### 3 LNCFS-II Low Nox Burner 0 NA 0 4 LNCFS-II Low Nox Burner 0 NA 0 5 LNCFS-II Low Nox Burner 0 NA 0 

### 6 LNCFS-II Low Nox Burner 0 NA 0 7 LNCFS-II Low Nox Burner 0 NA 0 8 LNCFS-II Low Nox Burner 0 NA 0 

### 9 LNCFS-II Low Nox Burner 0 NA 0 1 0 0 

### 10 0 0 11 0 0 12 0 0 

### 2 0 0 3 0 0 4 0 0 

### 5 0 0 6 0 0 7 0 0 

### 8 0 0 9 0 0

Run Name Value UOM Comments 1 Moisture As Received 0 %



### Friday, February 11, 2011 Page 10 of 18

### Dynegy Danskammer Unit 4

2 Moisture As Received 0 % 

### 3 Moisture As Received 0 % 1 Ash As Received 0 % 2 Ash As Received 0 % 3 Ash As Received 0 % 

### 1 Carbon As Received 0 % 2 Carbon As Received 0 % 3 Carbon As Received 0 % 

### 1 Hydrogen (Excl. H in Moisture) As Received 0 % 2 Hydrogen (Excl. H in Moisture) As Received 0 % 3 Hydrogen (Excl. H in Moisture) As Received 0 % 1 Hydrogen (Incl. H in Moisture) As Received 0 % 

### 2 Hydrogen (Incl. H in Moisture) As Received 0 % 3 Hydrogen (Incl. H in Moisture) As Received 0 % 1 Nitrogen AS Received 0 % 

### 2 Nitrogen AS Received 0 % 3 Nitrogen AS Received 0 % 1 Oxygen (Excl. O in Moisture) As Received 0 % 2 Oxygen (Excl. O in Moisture) As Received 0 % 

### 3 Oxygen (Excl. O in Moisture) As Received 0 % 1 Oxygen (Incl. O in Moisture) As Received 0 % 2 Oxygen (Incl. O in Moisture) As Received 0 % 

### 3 Oxygen (Incl. O in Moisture) As Received 0 % 1 Fixed Carbon As Received 0 % 2 Fixed Carbon As Received 0 % 3 Fixed Carbon As Received 0 % 

### 1 Heating Value As Received 0 % 2 Heating Value As Received 0 % 3 Heating Value As Received 0 % 

### 1 Sulfur As Received 0 % 2 Sulfur As Received 0 % 3 Sulfur As Received 0 % 1 Volatile Matter As Received 0 % 

### 2 Volatile Matter As Received 0 % 3 Volatile Matter As Received 0 % 1 Ash Dry Basis 0 % 

### 2 Ash Dry Basis 0 % 3 Ash Dry Basis 0 % 1 Carbon Dry Basis 0 % 2 Carbon Dry Basis 0 % 

### 3 Carbon Dry Basis 0 % 1 Hydrogen (Excl. H in Moisture) Dry Basis 0 % 2 Hydrogen (Excl. H in Moisture) Dry Basis 0 %



### Friday, February 11, 2011 Page 11 of 18

### Dynegy Danskammer Unit 4

3 Hydrogen (Excl. H in Moisture) Dry Basis 0 % 

### 1 Nitrogen Dry Basis 0 % 2 Nitrogen Dry Basis 0 % 3 Nitrogen Dry Basis 0 % 1 Oxygen (Excl. O in Moisture) Dry Basis 0 % 

### 2 Oxygen (Excl. O in Moisture) Dry Basis 0 % 3 Oxygen (Excl. O in Moisture) Dry Basis 0 % 1 Fixed Carbon Dry Basis 0 % 

### 2 Fixed Carbon Dry Basis 0 % 3 Fixed Carbon Dry Basis 0 % 1 Heating Value Dry Basis 0 Btu/lb 2 Heating Value Dry Basis 0 Btu/lb 

### 3 Heating Value Dry Basis 0 Btu/lb 1 Sulfur Dry Basis 0 % 2 Sulfur Dry Basis 0 % 

### 3 Sulfur Dry Basis 0 % 1 Volatile Matter Dry Basis 0 % 2 Volatile Matter Dry Basis 0 % 3 Volatile Matter Dry Basis 0 %



### Friday, February 11, 2011 Page 12 of 18

### Dynegy Danskammer Unit 4

Sampling / Stack Data Results Detail


### Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 7/9/2010 7/9/2010 7/9/2010 Run Start Time 7:04:00 AM 10:11:00 AM 1:06:00 PM Run Finish Time 9:13:00 AM 12:24:00 PM 3:17:00 PM Net Traversing Points 120 120 120 Net Run Time, minutes 120 120 120 Nozzle Diameter, inches 0.183 0.183 0.183 0.183 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.992 0.992 0.992 0.992 Barometric Pressure, inches of Mercury 30.1 30.1 30.1 30.100 Average Orifice Meter Differential, inches H2O 2.09 2.21 2.46 2.253 Dry Gas Meter Volume Sampled, cubic feet 96.477 99.564 105.543 100.528 Average Dry Gas Meter Temperature, °F 100.81 102.85 106.68 103.447 Dry Gas Meter Volume Sampled, dscf 91.111 93.713 98.729 94.518 Total Moisture Liquid collected, g 161.1 162.3 170.7 164.700 Volume of Water Vapor, standard cubic feet 7.58 7.64 8.03 7.750 Moisture Content of Stack Gas, % 7.68 7.54 7.52 7.580 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9232 0.9246 0.9248 0.924 Carbon Dioxide, % 12.8 12.8 13 12.867 Oxygen, % 6 6 5.9 5.967 Carbon Monoxide & Nitrogen, % 81.2 81.2 81.1 81.167 Fuel Factor 1.16 1.16 1.15 Dry Molecular Weight, lb/lb-Mole 30.29 30.29 30.32 30.300 Wet Molecular weight, lb/lb-Mole 29.35 29.36 29.39 29.367 Flue Gas Static Pressure, inches of H2O -4.65 -4.65 -4.65 -4.650 Absolute Flue Gas Pressure, inches of Mercury 29.76 29.76 29.76 29.760 Average Stack Gas Temperature, °F 295.07 297.23 301.36 297.887 Average Velocity Head, inches of H2O 2.6660026060 6327 2.800503641

79525 3.007336309

44677 2.825
Average Stack Gas Velocity, feet/second 109.02 111.87 116.19 112.360 Stack Cross-Sectional Area, square feet 136.554 136.554 136.554 136.554 Dry Volumetric Flow Rate, dry scfm 573,555.8 587,760.8 607,277.9 589,531.500 Actual Wet Volumetric Flue Gas Flow Rate, acfm 893,227.0 916,577.8 951,972.6 920,592.467 Percent Isokinetic of Sampling Rate, % 99.0 99.3 101.3 99.867 Percent Excess Air, % 38.9 38.9 38.0 38.600 F-Factor, dscfm/MMBtu @ %O2 9887 9753 9748 9,796.000 Round Duct Diameter, inches 158.23 158.23 158.23 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Friday, February 11, 2011 Page 13 of 18

### Dynegy Danskammer Unit 4

Location Stack Exit - Method 10 Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Friday, February 11, 2011 Page 14 of 18

### Dynegy Danskammer Unit 4

Location Stack Exit - Method 25A Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Friday, February 11, 2011 Page 15 of 18

### Dynegy Danskammer Unit 4

Location Stack Exit - Method 6C Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Friday, February 11, 2011 Page 16 of 18

### Dynegy Danskammer Unit 4

Location Stack Exit - Method 7E Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Friday, February 11, 2011 Page 17 of 18

### Dynegy Danskammer Unit 4

Location Stack Exit - SW0010 Average Run Number Test Date Run Start Time Run Finish Time Net Traversing Points Net Run Time, minutes Nozzle Diameter, inches Pitot Tube Coefficient Dry Gas Meter Calibration Factor Barometric Pressure, inches of Mercury Average Orifice Meter Differential, inches H2O Dry Gas Meter Volume Sampled, cubic feet Average Dry Gas Meter Temperature, °F Dry Gas Meter Volume Sampled, dscf Total Moisture Liquid collected, g Volume of Water Vapor, standard cubic feet Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Dry Mole Fraction Carbon Dioxide, % Oxygen, % Carbon Monoxide & Nitrogen, % Fuel Factor Dry Molecular Weight, lb/lb-Mole Wet Molecular weight, lb/lb-Mole Flue Gas Static Pressure, inches of H2O Absolute Flue Gas Pressure, inches of Mercury Average Stack Gas Temperature, °F Average Velocity Head, inches of H2O Average Stack Gas Velocity, feet/second Stack Cross-Sectional Area, square feet Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % Percent Excess Air, % F-Factor, dscfm/MMBtu @ %O2 Round Duct Diameter, inches Rectangular Duct Width, inches Rectangular Duct Length, inches Fw Fc



### Friday, February 11, 2011 Page 18 of 18