### Name: Mary Ann Keon

Title: Environmental Director Company: Boral Industries Sign Date: 2/25/2011 Name: Tommy Lotz, Jr. Title: Project Manager Company:TRC Environmental Sign Date: 2/25/2011 Permitted Facility Representative / Date Testing Company Representative / Date 

## Boral Union Outlet 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.

Wednesday, March 23, 2011 Page 1 of 12

### Boral Union Outlet
2/25/2011 Facility Information: Boral Bricks, Inc. 3895 S. Choctaw Avenue

Union City OK73090 Contact:Mary Ann Keon Phone:770-645-4529 Fax: Email: maryann.keon@boral.com Testing Company:
TRC Environmental 108 Yeager Circle

Pelham AL35124 Contact:Tommy Lotz, Jr. Phone:205-358-3203 Fax: 205-358-7492 Email:telotz@TRCsolutions.com

Air Permit Number: 2004-210-O (M-2) Permitted Source ID/Name: Tunnel Kiln EU-04 Permitted Maximum Process Rate: 180,631 TPY Max. Normal Operation Process Rate: Target Process Test Rate

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: The source is a gas fired tunnel kiln. The gas consists of natural gas (45-55%) and landfill gas (15-55%). Emissions are controlled by a dry sorbent injection fabric filter (DIFF) Industry/SCC/NAIS327121

Sampling Location Information:

Test Parameter Information: AFS #:4001700097 FRS #:110015563345

SCC / Description30500311 Industrial Processes - Mineral Products - Brick Manufacture - Curing and Firing: Gas-fired Tunnel Kilns

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 Outlet 54.5 336 222 2 0 20 0 0

Target Parameter Test

Method Number of

Test RunsTest Run

DurationSample

Points Comments Location % H2O Method 1 - 4 3 64 0 Outlet Flowrate Method 1 - 4 3 64 0 Outlet Hydrogen ChlorideMethod 26A 3 64 0 Outlet Regulation Description Compound Limit Unit PM 2.98 TPY HCl 9.99 TPY HF 9.99 TPY



### Wednesday, March 23, 2011 Page 2 of 12

### Boral Union Outlet
2/25/2011

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.

Chlorine Method 26A 3 64 0 Outlet Hydrogen FluorideMethod 26A 3 64 0 Outlet Chromium Method 29 3 64 0 Outlet Beryllium Method 29 3 64 0 Outlet Antimony Method 29 3 64 0 Outlet Cadmium Method 29 3 64 0 Outlet Lead Method 29 3 64 0 Outlet Selenium Method 29 3 64 0 Outlet Mercury Method 29 3 64 0 Outlet Manganese Method 29 3 64 0 Outlet Cobalt Method 29 3 64 0 Outlet Nickel Method 29 3 64 0 Outlet Filterable

Particulate Method 29 3 64 0 Outlet

Arsenic Method 29 3 64 0 Outlet O2 Method 3A O2 3 60 0 Outlet



### Wednesday, March 23, 2011 Page 3 of 12

### Boral Union Outlet
2/25/2011 Sampling / Stack Data Results Summary


### LocationOutlet - Method 26A Average Run Number M26-1 M26-2 M26-3
Test Date 11/17/201011/17/2010 11/17/2010 Run Start Time 10:30:00 AM1:00:00 PM2:50:00 PM Run Finish Time 11:37:00 AM2:04:00 PM 3:55:00 PM Net Run Time, minutes 60 60 60 Dry Gas Meter Volume Sampled, dscf 34.422 40.135 41.398 38.652 Moisture Content of Stack Gas, % 7.67 6.98 7.69 7.447 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 4.2 3.9 3.9 4.000 Oxygen, % 16.2 16.4 16.4 16.333 Average Stack Gas Temperature, °F 285.45 278.55 276.00 280.000 Dry Volumetric Flow Rate, dry scfm 12,638.9 15,475.5 15,820.3 14,644.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 19,430.3 23,396.0 24,018.1 22,281.467 Percent Isokinetic of Sampling Rate, % 98.5 93.8 94.6 95.633 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Fw 0 0 0 0.000
Fc 0 0 0 0.000



### LocationOutlet - Method 29 Average Run Number M29/5-1 M29/5-2 M29/5-3
Test Date 11/17/201011/17/2010 11/17/2010 Run Start Time 10:30:00 AM1:00:00 PM2:50:00 PM Run Finish Time 11:30:00 AM2:04:00 PM 3:55:00 PM Net Run Time, minutes 60 60 60 Dry Gas Meter Volume Sampled, dscf 34.016 43.722 44.936 40.891 Moisture Content of Stack Gas, % 7.33 9.28 8.19 8.267 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 4.2 3.9 3.9 4.000 Oxygen, % 16.2 16.4 16.4 16.333 Average Stack Gas Temperature, °F 287.25 281.40 278.75 282.467 Dry Volumetric Flow Rate, dry scfm 11,046.9 14,716.3 15,720.5 13,827.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 16,961.4 22,900.3 24,086.2 21,315.967 Percent Isokinetic of Sampling Rate, % 99.2 95.7 92.1 95.667 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Wednesday, March 23, 2011 Page 4 of 12

### Boral Union Outlet
2/25/2011
LocationOutlet - Method 3A O2 Average Run Number 1 2 3
Test Date 11/17/201011/17/2010 11/17/2010 Run Start Time 10:30:00 AM1:00:00 PM2:50:00 PM Run Finish Time 11:30:00 AM2:00:00 PM3:50:00 PM Carbon Dioxide, % 0 0 0 0.000 Oxygen, % 0 0 0 0.000 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 8710 8710 8710 8,710.000 Moisture, % 0 0 0 0.000 Fuel Type Gas - Natural Gas - NaturalGas - Natural

Fw 10610 10610 10610 10,610.000
Fc 1040 1040 1040 1,040.000



### Wednesday, March 23, 2011 Page 5 of 12

### Boral Union Outlet
2/25/2011 Emissions Summary


### Location: Outlet - Method 26A Compound: Chlorine Average RunNumber M26-1 M26-2 M26-3 Mass_mg 0 0 0 0.000 Eg/hr 0.00E+00 0.00E+00 0.00E+00 0.000 Elb/hr 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 

### Compound: Hydrogen Chloride Average RunNumber M26-1 M26-2 M26-3 Mass_mg 3.51 4.11 2.76 3.460 Eg/hr 7.73E+01 9.51E+01 6.33E+01 78.567 Elb/hr 1.70E-01 2.10E-01 1.40E-01 0.173 ppm 2.38E+00 2.39E+00 1.55E+00 2.107 ppm@7%O2 7.04E+00 7.38E+00 4.79E+00 6.403 

### Compound: Hydrogen Fluoride Average RunNumber M26-1 M26-2 M26-3 Mass_mg 0.01 0.2 0.02 0.077 Eg/hr 2.20E-01 4.63E+00 4.59E-01 1.770 Elb/hr 4.86E-04 1.02E-02 1.01E-03 0.004 ppm 1.23E-02 2.12E-01 2.05E-02 0.082 ppm@7%O2 3.64E-02 6.55E-01 6.33E-02 0.252



### Location: Outlet - Method 29 

### Compound: Antimony Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.0004 0.0004 0.0004 0.000 Eg/hr 7.79E-03 8.08E-03 8.40E-03 0.008 Elb/hr 1.72E-05 1.78E-05 1.85E-05 0.000 mg/dscm 4.15E-04 3.23E-04 3.14E-04 0.000 mg/dscm@7%O2 1.23E-03 9.98E-04 9.70E-04 0.001 

### Compound: Arsenic Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.0445 0 0 0.015 Eg/hr 8.67E-01 0.00E+00 0.00E+00 0.289 Elb/hr 1.91E-03 0.00E+00 0.00E+00 0.001 mg/dscm 4.62E-02 0.00E+00 0.00E+00 0.015 mg/dscm@7%O2 1.37E-01 0.00E+00 0.00E+00 0.046 

### Compound: Beryllium Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.00253 0 0 0.001


### Wednesday, March 23, 2011 Page 6 of 12

### Boral Union Outlet
2/25/2011 Eg/hr 4.93E-02 0.00E+00 0.00E+00 0.016 Elb/hr 1.09E-04 0.00E+00 0.00E+00 0.000 mg/dscm 2.63E-03 0.00E+00 0.00E+00 0.001 mg/dscm@7%O2 7.78E-03 0.00E+00 0.00E+00 0.003 

### Compound: Cadmium Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.0002 0.0005 0.00006 0.000 Eg/hr 3.90E-03 1.01E-02 1.26E-03 0.005 Elb/hr 8.59E-06 2.23E-05 2.78E-06 0.000 mg/dscm 2.08E-04 4.04E-04 4.72E-05 0.000 mg/dscm@7%O2 6.15E-04 1.25E-03 1.46E-04 0.001 

### Compound: Chromium Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.0101 0.005 0.0041 0.006 Eg/hr 1.97E-01 1.01E-01 8.61E-02 0.128 Elb/hr 4.34E-04 2.23E-04 1.90E-04 0.000 mg/dscm 1.05E-02 4.04E-03 3.22E-03 0.006 mg/dscm@7%O2 3.11E-02 1.25E-02 9.95E-03 0.018 

### Compound: Cobalt Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0 0 0 0.000 Eg/hr 0.00E+00 0.00E+00 0.00E+00 0.000 Elb/hr 0.00E+00 0.00E+00 0.00E+00 0.000 mg/dscm 0.00E+00 0.00E+00 0.00E+00 0.000 mg/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000 

### Compound: Filterable Particulate Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0 3.1 5.8 2.967 Eg/hr 0.00E+00 6.26E+01 1.22E+02 61.533 Elb/hr 0.00E+00 1.38E-01 2.68E-01 0.135 mg/dscm 0.00E+00 2.50E+00 4.56E+00 2.353 mg/dscm@7%O2 0.00E+00 7.72E+00 1.41E+01 7.273 

### Compound: Lead Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0 0.0001 0.0005 0.000 Eg/hr 0.00E+00 2.02E-03 1.05E-02 0.004 Elb/hr 0.00E+00 4.45E-06 2.31E-05 0.000 mg/dscm 0.00E+00 8.08E-05 3.93E-04 0.000 mg/dscm@7%O2 0.00E+00 2.50E-04 1.21E-03 0.000 

### Compound: Manganese Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.04936 0.0041 0.02333 0.026


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### Boral Union Outlet
2/25/2011

Process Run Data Eg/hr 9.62E-01 8.28E-02 4.90E-01 0.512 Elb/hr 2.12E-03 1.83E-04 1.08E-03 0.001 mg/dscm 5.13E-02 3.31E-03 1.83E-02 0.024 mg/dscm@7%O2 1.52E-01 1.02E-02 5.65E-02 0.073 

### Compound: Mercury Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.0005 0.0007 0.0007 0.001 Eg/hr 9.74E-03 1.41E-02 1.47E-02 0.013 Elb/hr 2.15E-05 3.12E-05 3.24E-05 0.000 mg/dscm 5.19E-04 5.65E-04 5.50E-04 0.001 mg/dscm@7%O2 1.53E-03 1.75E-03 1.70E-03 0.002 

### Compound: Nickel Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.013 0.0054 0.0038 0.007 Eg/hr 2.53E-01 1.09E-01 7.98E-02 0.147 Elb/hr 5.58E-04 2.40E-04 1.76E-04 0.000 mg/dscm 1.35E-02 4.36E-03 2.99E-03 0.007 mg/dscm@7%O2 3.99E-02 1.35E-02 9.24E-03 0.021 

### Compound: Selenium Average RunNumber M29/5-1 M29/5-2 M29/5-3 Mass_mg 0.0048 0.0059 0.0066 0.006 Eg/hr 9.35E-02 1.19E-01 1.39E-01 0.117 Elb/hr 2.06E-04 2.63E-04 3.05E-04 0.000 mg/dscm 4.98E-03 4.77E-03 5.19E-03 0.005 mg/dscm@7%O2 1.47E-02 1.47E-02 1.60E-02 0.015



### Wednesday, March 23, 2011 Page 8 of 12

### Boral Union Outlet
2/25/2011 Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Brick Produced 11.88 Tons/hr 11.8


### 2 Brick Produced 11.88 Tons/hr 11.8
3 Brick Produced 11.88 Tons/hr 11.8
1 Lime Feed Rate 24.6 lbs/hr 24


### 2 Lime Feed Rate 24.6 lbs/hr 24
3 Lime Feed Rate 24.6 lbs/hr 24



### Run Name Value UOM Comments Target Value 1 DRY LIMESTONE INJECTION 0 0


### 1 BAGHOUSE 0 0

Wednesday, March 23, 2011 Page 9 of 12

### Boral Union Outlet
2/25/2011 Sampling / Stack Data Results Detail


### LocationOutlet - Method 26A Average Run Number M26-1 M26-2 M26-3 Test Date 11/17/201011/17/2010 11/17/2010 Run Start Time 10:30:00 AM1:00:00 PM2:50:00 PM Run Finish Time 11:37:00 AM2:04:00 PM3:55:00 PM Net Traversing Points 21 21 21 Net Run Time, minutes 60 60 60 Nozzle Diameter, inches 0.37 0.37 0.37 0.370 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.0099 1.0099 1.0099 1.010 Barometric Pressure, inches of Mercury 29.77 29.77 29.77 29.770 Average Orifice Meter Differential, inches H2O 1.07 1.54 1.60 1.403 Dry Gas Meter Volume Sampled, cubic feet 33.807 38.622 39.595 37.341 Average Dry Gas Meter Temperature, °F 62.45 52.50 49.45 54.800 Dry Gas Meter Volume Sampled, dscf 34.422 40.135 41.398 38.652 Total Moisture Liquid collected, g 60.8 64 73.4 66.067 Volume of Water Vapor, standard cubic feet 2.86 3.01 3.45 3.107 Moisture Content of Stack Gas, % 7.67 6.98 7.69 7.447 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9233 0.9302 0.9231 0.926 Carbon Dioxide, % 4.2 3.9 3.9 4.000 Oxygen, % 16.2 16.4 16.4 16.333 Carbon Monoxide & Nitrogen, % 79.6 79.7 79.7 79.667 Fuel Factor 1.12 1.15 1.15 Dry Molecular Weight, lb/lb-Mole 29.32 29.28 29.28 29.293 Wet Molecular weight, lb/lb-Mole 28.45 28.49 28.41 28.450 Flue Gas Static Pressure, inches of H2O -0.07 -0.07 -0.07 -0.070 Absolute Flue Gas Pressure, inches of Mercury 29.76 29.76 29.76 29.760 Average Stack Gas Temperature, °F 285.45 278.55 276.00 280.000 Average Velocity Head, inches of H2O 0.088 0.129 0.136 0.118 Average Stack Gas Velocity, feet/second 19.99 24.07 24.71 22.923 Stack Cross-Sectional Area, square feet 16.200 16.200 16.200 16.200 Dry Volumetric Flow Rate, dry scfm 12,638.9 15,475.5 15,820.314,644.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 19,430.3 23,396.0 24,018.122,281.467 Percent Isokinetic of Sampling Rate, % 98.5 93.8 94.6 95.633 Percent Excess Air, % 336.5 353.4 353.4 347.767 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Round Duct Diameter, inches 54.5 54.5 54.5 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



### Wednesday, March 23, 2011 Page 10 of 12

### Boral Union Outlet
2/25/2011
LocationOutlet - Method 29 Average Run Number M29/5-1 M29/5-2 M29/5-3 Test Date 11/17/201011/17/2010 11/17/2010 Run Start Time 10:30:00 AM1:00:00 PM2:50:00 PM Run Finish Time 11:30:00 AM2:04:00 PM3:55:00 PM Net Traversing Points 20 20 20 Net Run Time, minutes 60 60 60 Nozzle Diameter, inches 0.392 0.392 0.392 0.392 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9826 0.9826 0.9826 0.983 Barometric Pressure, inches of Mercury 29.77 29.77 29.77 29.770 Average Orifice Meter Differential, inches H2O 0.93 1.65 1.80 1.460 Dry Gas Meter Volume Sampled, cubic feet 33.855 42.805 43.700 40.120 Average Dry Gas Meter Temperature, °F 54.95 47.45 44.25 48.883 Dry Gas Meter Volume Sampled, dscf 34.016 43.722 44.936 40.891 Total Moisture Liquid collected, g 57.2 95 85.2 79.133 Volume of Water Vapor, standard cubic feet 2.69 4.47 4.01 3.723 Moisture Content of Stack Gas, % 7.33 9.28 8.19 8.267 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9267 0.9072 0.9181 0.917 Carbon Dioxide, % 4.2 3.9 3.9 4.000 Oxygen, % 16.2 16.4 16.4 16.333 Carbon Monoxide & Nitrogen, % 79.6 79.7 79.7 79.667 Fuel Factor 1.12 1.15 1.15 Dry Molecular Weight, lb/lb-Mole 29.32 29.28 29.28 29.293 Wet Molecular weight, lb/lb-Mole 28.49 28.23 28.36 28.360 Flue Gas Static Pressure, inches of H2O -0.07 -0.07 -0.07 -0.070 Absolute Flue Gas Pressure, inches of Mercury 29.76 29.76 29.76 29.760 Average Stack Gas Temperature, °F 287.25 281.40 278.75 282.467 Average Velocity Head, inches of H2O 0.067 0.122 0.136 0.108 Average Stack Gas Velocity, feet/second 17.45 23.56 24.78 21.930 Stack Cross-Sectional Area, square feet 16.200 16.200 16.200 16.200 Dry Volumetric Flow Rate, dry scfm 11,046.9 14,716.3 15,720.513,827.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 16,961.4 22,900.3 24,086.221,315.967 Percent Isokinetic of Sampling Rate, % 99.2 95.7 92.1 95.667 Percent Excess Air, % 336.5 353.4 353.4 347.767 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Round Duct Diameter, inches 54.5 54.5 54.5 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



### Wednesday, March 23, 2011 Page 11 of 12

### Boral Union Outlet
2/25/2011
LocationOutlet - Method 3A O2 Average Run Number 1 2 3 Test Date 11/17/201011/17/2010 11/17/2010 Run Start Time 10:30:00 AM1:00:00 PM2:50:00 PM Run Finish Time 11:30:00 AM2:00:00 PM3:50:00 PM Carbon Dioxide, % 0 0 0 0.000 Oxygen, % 0 0 0 0.000 Fuel Factor 0 0 0 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 8710 8710 87108,710.000 Moisture, % 0 0 0 0.000 Analyzer Make Servomex Servomex Servomex #Error Analyzer Model 1440 1440 14401,440.000 Analyzer Serial Number #Num! Operating Range 19.96 19.96 19.96 19.960 Operating Units ppm ppm ppm No. Readings/Avg. 60 60 60 60.000 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID CC207920 CC207920 CC207920 Calibration Pre Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Pre Zero Cylinder Bias 0 0 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SG9134085B ALSG9134085B

ALSG9134085B

AL Calibration Pre High Cylinder Instrument Response 9.7 10 9.9 9.867 Calibration Pre High Cylinder Bias -0.5 1 0.5 0.333 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC207920 CC207920 CC207920 Calibration Post Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Post Zero Cylinder Bias 0 0 0 0.000 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID SG9134085B ALSG9134085B

ALSG9134085B

AL Calibration Post High Cylinder Instrument Response 10 9.9 9.8 9.900 Calibration Post High Cylinder Bias 1 0.5 0 0.500 Calibration Post High Cylinder Drift 1.5 0.5 0.5 0.833 Cavg 16.2 16.5 16.4 16.367 Cavg Units ppmvd ppmvd ppmvd Cgas 16.2132 16.3474 16.4133 16.325 Cgas Units ppmvd ppmvd ppmvd Fuel Type Gas - NaturalGas - NaturalGas - Natural Fw 10610 10610 1061010,610.000 Fc 1040 1040 10401,040.000 Cgasw 0 0 0 0.000 Cgasw Units



### Wednesday, March 23, 2011 Page 12 of 12