### Name: Brian Landberg

Title: Company: Johns Manville Sign Date: Name: Randal J. Tysar Title: Senior Environmental Engineer Company: BT Environmental Consulting, Inc. Sign Date: Permitted Facility Representative / Date Testi ng Company Representative / Date



## Johns Manville Willows, California Residual Risk Emissions Test Final Test Report for

/ / Based on information and belief formed after reasonable inquiry, I certify that the statements and information in this test report are true, accurate, and complete. I have reviewed all testing details and results in this test report and hereby certify that the test report is authentic and accurate.

Thursday, January 27, 2011 Page 1 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Facility Information: Johns Manville International - Willows, Cal 5916 County Road 49

Willows CA 95988 Contact: Don Sexton Phone: (530) 934-6273 Fax: (530) 934-6245 Email: sextond@jm.com Testing Company: BT Environmental Consulting, Inc.
2615 Wolcott Street

Ferndale MI 48220 Contact: Randal Tysar Phone: 313-308-6891 Fax: Email: rtysar@btecinc.com

Air Permit Number: 2007-1000 Permitted Source ID/Name: 2007-1000 Johns Manvill Permitted Maximum Process Rate: Max. Normal Operation Process Rate: Target Process Test Rat

Description of the source (including control equipm ent). Please see the attachments for source or process flow diagram: Raw materials are put in an open top melter. The produced glass is spun out to product home insulation

. Industry/SCC/NAIS 327993

Sampling Location Information:

Test Parameter Information: AFS #: 602100014 FRS #: 110000601340

SCC / Description 30501207 Industrial Processes - Mineral Products - Fiberglas s Manufacturing - Unit Melter Furnace (Wool-type Fiber)

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 Line 133.melter - stack 27 58.56 0 0 2 0 24 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Hydrogen Fluoride Method 26A 3 72 0 Line 133.melter - stack 27 Hydrogen Chloride Method 26A 3 72 0 Line 133.melter - stack 27



### Thursday, January 27, 2011 Page 2 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

The following describes any modifications and/or deviations to the applicable test methods. If alternative methods were requested, se e the attachments for documentation of request AND approval, including dates.

Organic Condensible Particulate OTM - 27/28 3 200 0 Line 133.melter - stack 27 Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 200 0 Line 133.melter - stack 27 Total PM2.5 OTM - 27/28 3 200 0 Line 133.melter - stack 27 Filterable PM2.5 OTM - 27/28 3 200 0 Line 133.melter - stack 27 Chromium Method 29 3 188 0 Line 133.melter - stack 27 Filterable Particulate Method 29 3 188 0 Line 133.melter - stack 27 Antimony Method 29 3 188 0 Line 133.melter - stack 27 Arsenic Method 29 3 188 0 Line 133.melter - stack 27 Cadmium Method 29 3 188 0 Line 133.melter - stack 27 Cobalt Method 29 3 188 0 Line 133.melter - stack 27 Lead Method 29 3 188 0 Line 133.melter - stack 27 Manganese Method 29 3 188 0 Line 133.melter - stack 27 Nickel Method 29 3 188 0 Line 133.melter - stack 27 Selenium Method 29 3 188 0 Line 133.melter - stack 27 Beryllium Method 29 3 188 0 Line 133.melter - stack 27 Chromium E_P_A0061 3 192 0 Line 133.melter - stack 27



### Thursday, January 27, 2011 Page 3 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Sampling / Stack Data Results Summary

Location Line 133.melter - stack 27 - E_P_A0061 Average Run Number 1 2 3
Test Date 10/14/2010 10/15/2010 10/15/2010 Run Start Time 12:18:00 PM 7:58:00 AM 11:49:00 AM

Run Finish Time 3:35:00 PM 11:18:00 AM 3:05:00 PM

Net Run Time, minutes 192 192 192 Dry Gas Meter Volume Sampled, dscf 119.689 121.055 118 .319 119.688 Moisture Content of Stack Gas, % 2.01 2.33 2.98 2.440 Moisture Saturation at Stack Gas Temperature, % 16.67 11.38 16.39 14.813 Carbon Dioxide, % 0.15 0.13 0.13 0.137 Oxygen, % 20.1 20.16 20.2 20.153 Average Stack Gas Temperature, °F 133.52 119.65 133.15 128.773 Dry Volumetric Flow Rate, dry scfm 27,177.4 26,933.5 2 5,660.1 26,590.333 Actual Wet Volumetric Flue Gas Flow Rate, acfm 31,344.2 30,233.1 29,672.0 30,416.433 Percent Isokinetic of Sampling Rate, % 98.2 100.2 102. 8 100.400 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Thursday, January 27, 2011 Page 4 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Location Line 133.melter - stack 27 - Method 26A Average Run Number 1 2 3
Test Date 10/14/2010 10/15/2010 10/15/2010 Run Start Time 12:20:00 PM 8:07:00 AM 10:50:00 AM

Run Finish Time 2:38:00 PM 10:24:00 AM 12:26:00 PM

Net Run Time, minutes 72 72 72 Dry Gas Meter Volume Sampled, dscf 46.503 46.366 43.74 6 45.538 Moisture Content of Stack Gas, % 2.23 2.09 2.06 2.127 Moisture Saturation at Stack Gas Temperature, % 15.92 10.99 13.96 13.623 Carbon Dioxide, % 0.15 0.1344 0.1344 0.140 Oxygen, % 20.13 20.16 20.2 20.163 Average Stack Gas Temperature, °F 131.79 118.42 127.13 125.780 Dry Volumetric Flow Rate, dry scfm 27,663.1 26,876.3 2 5,911.7 26,817.033 Actual Wet Volumetric Flue Gas Flow Rate, acfm 31,882.8 30,031.1 29,380.2 30,431.367 Percent Isokinetic of Sampling Rate, % 100.7 104.1 101 .1 101.967 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Thursday, January 27, 2011 Page 5 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Location Line 133.melter - stack 27 - Method 29 Average Run Number 1 2 3
Test Date 10/20/2010 10/20/2010 10/20/2010 Run Start Time 7:20:00 AM 10:55:00 AM 2:16:00 PM

Run Finish Time 10:36:00 AM 2:06:00 PM 5:26:00 PM Net Run Time, minutes 188 188 188 Dry Gas Meter Volume Sampled, dscf 146.868 139.840 138 .171 141.626 Moisture Content of Stack Gas, % 2.09 2.79 2.48 2.453 Moisture Saturation at Stack Gas Temperature, % 8.91 11.76 13.80 11.490 Carbon Dioxide, % 0.11 0.11 0.11 0.110 Oxygen, % 20.8 20.83 20.83 20.820 Average Stack Gas Temperature, °F 110.60 120.43 126.26 119.097 Dry Volumetric Flow Rate, dry scfm 27,147.7 26,919.5 2 6,531.9 26,866.367 Actual Wet Volumetric Flue Gas Flow Rate, acfm 30,27 8.0 30,760.6 30,524.9 30,521.167 Percent Isokinetic of Sampling Rate, % 99.5 96.7 95.7 9 7.300 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Thursday, January 27, 2011 Page 6 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Location Line 133.melter - stack 27 - OTM - 27/28 Average Run Number 1 2 3
Test Date 10/13/2010 10/13/2010 10/14/2010 Run Start Time 10:30:00 AM 10:30:00 AM 8:10:00 AM

Run Finish Time 2:13:00 PM 2:13:00 PM 11:33:00 AM Net Run Time, minutes 200.1 200.1 199.6 Dry Gas Meter Volume Sampled, dscf 72.623 72.623 72.25 4 72.500 Moisture Content of Stack Gas, % 1.21 2.33 2.02 1.853 Moisture Saturation at Stack Gas Temperature, % 14.72 14.72 11.59 13.677 Carbon Dioxide, % 0.23 0.23 0.15 0.203 Oxygen, % 20.6 20.6 20.1 20.433 Average Stack Gas Temperature, °F 128.83 128.83 120.08 125.913 Dry Volumetric Flow Rate, dry scfm 30,909.8 30,618.0 3 0,870.0 30,799.267 Actual Wet Volumetric Flue Gas Flow Rate, acfm 35,092.4 35,159.8 34,811.9 35,021.367 Percent Isokinetic of Sampling Rate, % 84.7 85.5 84.6 84.933 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Thursday, January 27, 2011 Page 7 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Emissions Summary

Location: Line 133.melter - stack 27 - E_P_A0061 Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.0004 0.0004 0.0004 0.000 Elb/hr 1.20E-05 1.18E-05 1.15E-05 0.000 mg/dscm 1.18E-04 1.17E-04 1.19E-04 0.000



### Location: Line 133.melter - stack 27 - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.2 0.2 0.2 0.200 Elb/hr 1.57E-02 1.53E-02 1.57E-02 0.016 mg/dscm 1.52E-01 1.52E-01 1.61E-01 0.155 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.2 0.2 0.2 0.200 Elb/hr 1.57E-02 1.53E-02 1.57E-02 0.016 mg/dscm 1.52E-01 1.52E-01 1.61E-01 0.155



### Location: Line 133.melter - stack 27 - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.0008 0.0008 0.0008 0.001 Elb/hr 1.96E-05 2.04E-05 2.03E-05 0.000 mg/dscm 1.92E-04 2.02E-04 2.05E-04 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.0165 0.0195 0.0212 0.019 Elb/hr 4.03E-04 4.97E-04 5.38E-04 0.000 mg/dscm 3.97E-03 4.93E-03 5.42E-03 0.005 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.0002 0.0002 0.0002 0.000 Elb/hr 4.89E-06 5.09E-06 5.08E-06 0.000 mg/dscm 4.81E-05 5.05E-05 5.11E-05 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.00056 0.00053 0.00141 0.001 Elb/hr 1.37E-05 1.35E-05 3.58E-05 0.000



### Thursday, January 27, 2011 Page 8 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

mg/dscm 1.35E-04 1.34E-04 3.60E-04 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.00072 0.00072 0.00183 0.001 Elb/hr 1.76E-05 1.83E-05 4.65E-05 0.000 mg/dscm 1.73E-04 1.82E-04 4.68E-04 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.0002 0.0002 0.0002 0.000 Elb/hr 4.89E-06 5.09E-06 5.08E-06 0.000 mg/dscm 4.81E-05 5.05E-05 5.11E-05 0.000 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 2.2 2.7 3.1 2.667 Elb/hr 5.38E-02 6.88E-02 7.87E-02 0.067 mg/dscm 5.29E-01 6.82E-01 7.92E-01 0.668 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.00047 0.0004 0.00144 0.001 Elb/hr 1.15E-05 1.02E-05 3.66E-05 0.000 mg/dscm 1.13E-04 1.01E-04 3.68E-04 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.0015 0.0015 0.0015 0.002 Elb/hr 3.67E-05 3.82E-05 3.81E-05 0.000 mg/dscm 3.61E-04 3.79E-04 3.83E-04 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0011 0.001 0.0011 0.001 Elb/hr 2.69E-05 2.55E-05 2.79E-05 0.000 mg/dscm 2.65E-04 2.53E-04 2.81E-04 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.0195 0.0239 0.0255 0.023 Elb/hr 4.77E-04 6.09E-04 6.48E-04 0.001 mg/dscm 4.69E-03 6.04E-03 6.52E-03 0.006



### Location: Line 133.melter - stack 27 - OTM - 27/28

Thursday, January 27, 2011 Page 9 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 0.9 0.6 0.6 0.700 Elb/hr 5.07E-02 3.35E-02 3.39E-02 0.039 mg/dscm 4.38E-01 2.92E-01 2.93E-01 0.341 

### Compound: Inorganic (Aqueous) Condensible P Average RunNumber 1 2 3 Mass_mg 31 19 32 27.333 Elb/hr 1.75E+00 1.06E+00 1.81E+00 1.540 mg/dscm 1.51E+01 9.24E+00 1.56E+01 13.313 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 5 6 4 5.000 Elb/hr 2.81E-01 3.35E-01 2.26E-01 0.281 mg/dscm 2.43E+00 2.92E+00 1.96E+00 2.437 

### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 36.9 25.6 36.6 33.033 Elb/hr 2.08E+00 1.43E+00 2.07E+00 1.860 mg/dscm 1.79E+01 1.25E+01 1.79E+01 16.100



### Thursday, January 27, 2011 Page 10 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Process Run Data

APCD Run Data

Process Lab Run Data

Thursday, January 27, 2011 Page 11 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Sampling / Stack Data Results Detail

Location Line 133.melter - stack 27 - E_P_A0061 Average Run Number 1 2 3 Test Date 10/14/2010 10/15/2010 10/15/2010 Run Start Time 12:18:00 PM 7:58:00 AM 11:49:00 AM Run Finish Time 3:35:00 PM 11:18:00 AM 3:05:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 192 192 192 Nozzle Diameter, inches 0.283 0.283 0.283 0.283 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.005 1.005 1.005 1.00 5 Barometric Pressure, inches of Mercury 29.8 30 30 29.93 3 Average Orifice Meter Differential, inches H2O 1.25 1 .20 1.15 1.200 Dry Gas Meter Volume Sampled, cubic feet 125.699 121. 726 123.400 123.608 Average Dry Gas Meter Temperature, °F 96.76 76.58 96.47 89.937 Dry Gas Meter Volume Sampled, dscf 119.689 121.055 118 .319 119.688 Total Moisture Liquid collected, g 52.12 61.4 77.1 63.5 40 Volume of Water Vapor, standard cubic feet 2.45 2.89 3 .63 2.990 Moisture Content of Stack Gas, % 2.01 2.33 2.98 2.440 Moisture Saturation at Stack Gas Temperature, % 16.67 11.38 16.39 14.813 Dry Mole Fraction 0.9799 0.9767 0.9702 0.976 Carbon Dioxide, % 0.15 0.13 0.13 0.137 Oxygen, % 20.1 20.16 20.2 20.153 Carbon Monoxide & Nitrogen, % 79.75 79.71 79.67 79.710 Fuel Factor 5.33 5.69 5.38 Dry Molecular Weight, lb/lb-Mole 28.83 28.83 28.83 28.8 30 Wet Molecular weight, lb/lb-Mole 28.61 28.58 28.51 28.5 67 Flue Gas Static Pressure, inches of H2O -0.6 -0.6 -0.6 -0.600 Absolute Flue Gas Pressure, inches of Mercury 29.76 2 9.96 29.96 29.893 Average Stack Gas Temperature, °F 133.52 119.65 133.15 128.773 Average Velocity Head, inches of H2O 0.2170812753 37793 0.207878719

887493 0.1952175861

93132 0.207
Average Stack Gas Velocity, feet/second 27.93 26.94 26 .44 27.103 Stack Cross-Sectional Area, square feet 18.704 18.704 18.704 18.704 Dry Volumetric Flow Rate, dry scfm 27,177.4 26,933.5 2 5,660.1 26,590.333 Actual Wet Volumetric Flue Gas Flow Rate, acfm 31,344.2 30,233.1 29,672.0 30,416.433 Percent Isokinetic of Sampling Rate, % 98.2 100.2 102. 8 100.400 Percent Excess Air, % 2,106.9 2,282.0 2,425.3 2,271.400 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Round Duct Diameter, inches 58.56 58.56 58.56 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



### Thursday, January 27, 2011 Page 12 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Location Line 133.melter - stack 27 - Method 26A Average Run Number 1 2 3 Test Date 10/14/2010 10/15/2010 10/15/2010 Run Start Time 12:20:00 PM 8:07:00 AM 10:50:00 AM Run Finish Time 2:38:00 PM 10:24:00 AM 12:26:00 PM Net Traversing Points 24 24 24 Net Run Time, minutes 72 72 72 Nozzle Diameter, inches 0.282 0.281 0.282 0.282 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.985 0.985 0.985 0.98 5 Barometric Pressure, inches of Mercury 29.8 30 30 29.93 3 Average Orifice Meter Differential, inches H2O 1.38 1 .23 1.18 1.263 Dry Gas Meter Volume Sampled, cubic feet 49.300 47.18 0 46.090 47.523 Average Dry Gas Meter Temperature, °F 91.02 72.23 91.00 84.750 Dry Gas Meter Volume Sampled, dscf 46.503 46.366 43.74 6 45.538 Total Moisture Liquid collected, g 22.5 21.1 19.6 21.067 Volume of Water Vapor, standard cubic feet 1.06 0.99 0 .92 0.990 Moisture Content of Stack Gas, % 2.23 2.09 2.06 2.127 Moisture Saturation at Stack Gas Temperature, % 15.92 10.99 13.96 13.623 Dry Mole Fraction 0.9777 0.9791 0.9794 0.979 Carbon Dioxide, % 0.15 0.1344 0.1344 0.140 Oxygen, % 20.13 20.16 20.2 20.163 Carbon Monoxide & Nitrogen, % 79.72 79.7056 79.6656 79. 697 Fuel Factor 5.13 5.51 5.21 Dry Molecular Weight, lb/lb-Mole 28.83 28.83 28.83 28.8 30 Wet Molecular weight, lb/lb-Mole 28.59 28.60 28.61 28.600 Flue Gas Static Pressure, inches of H2O -0.6 -0.6 -0.6 -0.600 Absolute Flue Gas Pressure, inches of Mercury 29.76 2 9.96 29.96 29.893 Average Stack Gas Temperature, °F 131.79 118.42 127.13 125.780 Average Velocity Head, inches of H2O 0.2249560530 98233 0.205734897

869617 0.1940578558

80563 0.208
Average Stack Gas Velocity, feet/second 28.41 26.76 26 .18 27.117 Stack Cross-Sectional Area, square feet 18.704 18.704 18.704 18.704 Dry Volumetric Flow Rate, dry scfm 27,663.1 26,876.3 2 5,911.7 26,817.033 Actual Wet Volumetric Flue Gas Flow Rate, acfm 31,882.8 30,031.1 29,380.2 30,431.367 Percent Isokinetic of Sampling Rate, % 100.7 104.1 101 .1 101.967 Percent Excess Air, % 2,197.4 2,285.0 2,428.7 2,303.700 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Round Duct Diameter, inches 58.56 58.56 58.56 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



### Thursday, January 27, 2011 Page 13 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Location Line 133.melter - stack 27 - Method 29 Average Run Number 1 2 3 Test Date 10/20/2010 10/20/2010 10/20/2010 Run Start Time 7:20:00 AM 10:55:00 AM 2:16:00 PM Run Finish Time 10:36:00 AM 2:06:00 PM 5:26:00 PM Net Traversing Points 47 47 47 Net Run Time, minutes 188 188 188 Nozzle Diameter, inches 0.315 0.313 0.315 0.314 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.005 1.005 1.005 1.00 5 Barometric Pressure, inches of Mercury 29.65 29.65 29. 65 29.650 Average Orifice Meter Differential, inches H2O 1.82 1 .80 1.80 1.807 Dry Gas Meter Volume Sampled, cubic feet 144.620 143. 150 143.500 143.757 Average Dry Gas Meter Temperature, °F 60.14 80.70 88.5 7 76.470 Dry Gas Meter Volume Sampled, dscf 146.868 139.840 138 .171 141.626 Total Moisture Liquid collected, g 66.8 85.3 74.8 75.63 3 Volume of Water Vapor, standard cubic feet 3.14 4.02 3 .52 3.560 Moisture Content of Stack Gas, % 2.09 2.79 2.48 2.453 Moisture Saturation at Stack Gas Temperature, % 8.91 11.76 13.80 11.490 Dry Mole Fraction 0.9791 0.9721 0.9752 0.975 Carbon Dioxide, % 0.11 0.11 0.11 0.110 Oxygen, % 20.8 20.83 20.83 20.820 Carbon Monoxide & Nitrogen, % 79.09 79.06 79.06 79.070 Fuel Factor 0.91 0.64 0.64 Dry Molecular Weight, lb/lb-Mole 28.85 28.85 28.85 28.8 50 Wet Molecular weight, lb/lb-Mole 28.62 28.55 28.58 28.5 83 Flue Gas Static Pressure, inches of H2O -0.6 -0.6 -0.6 -0.600 Absolute Flue Gas Pressure, inches of Mercury 29.61 2 9.61 29.61 29.610 Average Stack Gas Temperature, °F 110.60 120.43 126.26 119.097 Average Velocity Head, inches of H2O 0.2097137642 50832 0.212204417

052707 0.2071297542

27666 0.210
Average Stack Gas Velocity, feet/second 26.98 27.41 27 .20 27.197 Stack Cross-Sectional Area, square feet 18.704 18.704 18.704 18.704 Dry Volumetric Flow Rate, dry scfm 27,147.7 26,919.5 2 6,531.9 26,866.367 Actual Wet Volumetric Flue Gas Flow Rate, acfm 30,27 8.0 30,760.6 30,524.9 30,521.167 Percent Isokinetic of Sampling Rate, % 99.5 96.7 95.7 9 7.300 Percent Excess Air, % 26,078.2 49,784.9 49,784.9 41,882.667 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Round Duct Diameter, inches 58.56 58.56 58.56 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



### Thursday, January 27, 2011 Page 14 of 15

### Johns Manville Willows, California Residual Risk Emissions Test

Location Line 133.melter - stack 27 - OTM - 27/28 Average Run Number 1 2 3 Test Date 10/13/2010 10/13/2010 10/14/2010 Run Start Time 10:30:00 AM 10:30:00 AM 8:10:00 AM Run Finish Time 2:13:00 PM 2:13:00 PM 11:33:00 AM Net Traversing Points 12 12 12 Net Run Time, minutes 200.1 200.1 199.6 Nozzle Diameter, inches 0.218 0.218 0.218 0.218 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.005 1.005 1.005 1.00 5 Barometric Pressure, inches of Mercury 29.8 29.8 29.8 2 9.800 Average Orifice Meter Differential, inches H2O 0.42 0 .42 0.42 0.420 Dry Gas Meter Volume Sampled, cubic feet 75.550 75.55 0 73.270 74.790 Average Dry Gas Meter Temperature, °F 90.38 90.38 76.5 0 85.753 Dry Gas Meter Volume Sampled, dscf 72.623 72.623 72.25 4 72.500 Total Moisture Liquid collected, g 19 36.8 31.6 29.133 Volume of Water Vapor, standard cubic feet 0.89 1.73 1 .49 1.370 Moisture Content of Stack Gas, % 1.21 2.33 2.02 1.853 Moisture Saturation at Stack Gas Temperature, % 14.72 14.72 11.59 13.677 Dry Mole Fraction 0.9879 0.9767 0.9798 0.981 Carbon Dioxide, % 0.23 0.23 0.15 0.203 Oxygen, % 20.6 20.6 20.1 20.433 Carbon Monoxide & Nitrogen, % 79.17 79.17 79.75 79.363 Fuel Factor 1.30 1.30 5.33 Dry Molecular Weight, lb/lb-Mole 28.86 28.86 28.83 28.8 50 Wet Molecular weight, lb/lb-Mole 28.73 28.61 28.61 28.6 50 Flue Gas Static Pressure, inches of H2O -0.63 -0.63 -0 .63 -0.630 Absolute Flue Gas Pressure, inches of Mercury 29.75 2 9.75 29.75 29.750 Average Stack Gas Temperature, °F 128.83 128.83 120.08 125.913 Average Velocity Head, inches of H2O 0.2751714322 78617 0.275171432

278617 0.2738567342

41039 0.275
Average Stack Gas Velocity, feet/second 31.27 31.33 31 .02 31.207 Stack Cross-Sectional Area, square feet 18.704 18.704 18.704 18.704 Dry Volumetric Flow Rate, dry scfm 30,909.8 30,618.0 3 0,870.0 30,799.267 Actual Wet Volumetric Flue Gas Flow Rate, acfm 35,092.4 35,159.8 34,811.9 35,021.367 Percent Isokinetic of Sampling Rate, % 84.7 85.5 84.6 84.933 Percent Excess Air, % 6,846.6 6,846.6 2,106.9 5,266.700 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Round Duct Diameter, inches 58.56 58.56 58.56 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



### Thursday, January 27, 2011 Page 15 of 15