SUMMARY OF RESULTS EPA METHOD 26A Determination of HCl & HF Emissions Guardian Fiberglass Kingman, AZ Melter Baghouse Stack Run Number 1 2 3 Avg Date: 02/07/12 02/07/12 02/08/12 ---  Net Time of Test, minutes 240 240 240 --- Tstart Test Start Time 751 1230 743 Tend Test End Time 1203 1635 1157 --- P b ar Barometric Pressure, in. Hg 26.49 26.55 26.52 26.52 P g Static Pressure, in. Hg 0.001 0.001 0.001 0.001 P S Stack Pressure, Absolute, in. Hg 26.491 26.551 26.521 26.521 V M Actual Meter Volume Sample d, cu. ft. 184.86 187.50 195.32 189.23  H Avg. Delta H, in. H 2 0 1.78 1.79 1.96 1.84
T M Avg. Gas Meter Temp., Deg. F 61.5 76.2 68.0 68.6
 Dry Gas Meter Correction Factor 0.999 0.999 0.999 0.999 V STD Volume Sampled at Stand. Cond., cu. ft. 166.4 164.5 173.9 168.2 V STD M Volume Sampled at Stand. Cond., cu.m 4.71 4.66 4.92 4.76 V C Volume of Water Collected, ml 33.8 33.1 36.2 34.4

. V WC Volume of Water Vapor at Std. Cond.,SCF 1.59 1.56 1.70 1.62 B WS Moisture Content of Gas Stream 0.009 0.009 0.010 0.010 P MV Percent Moisture in Stack 0.9 0.9 1.0 1.0 M FD Mole Fraction of Dry Gas 0.991 0.991 0.990 0.990 M d Mole. Wt. Stack Gas, Dry Basis, lb/lb mole 29 29 29 29 M S Mole. Wt. Stack Gas, Wet Basis, lb/lb mole 28.737 28.738 28.735 28.737 C p Pitot Tube Constant 0.84 0.84 0.84 0.84  PS Avg. Sqrt. Delta P, in. H20 0.224 0.221 0.233 0.226 T S Avg. Stack Temp., Deg. F 88.667 96.625 91.955 92.4 V S Avg. Stack Velocity, ft/sec 13.7 13.6 14.3 13.8SUMMARY OF RESULTS EPA METHOD 26A Determination of HCl & HF Emissions Guardian Fiberglass Kingman, AZ Melter Baghouse Stack

A Area Stack, ft 2 15.90 15.90 15.90 15.90 Q SD Gas Volume Flow, Dry Std. Cond. CFM 11,013 10,789 11,433 11,078 Q A Actual Gas Volume Flow, CFM 13,049 12,938 13,616 13,201 Q SW Gas Volume Flow, Wet Std. Cond., CFM 11,118 10,891 11,545 11,185 D n Sample Nozzle Diameter, inches 0.433 0.433 0.433 0.433 A n Area of Nozzle, ft 2 0.00102 0.00102 0.00102 0.00102 I Percent Isokinetic 97.9 98.9 98.6 98.5 PPR Process Pull Rate, lbs/hr 5,093 5,082 5,078 5,084 PPRS Process Pull Rate, tons/hr 2.55 2.54 2.54 2.54 Back Half Analysis - Hy drogen Chloride - Method 26A

m n Hydrogen Chloride Catch, mg 0.279 <0.059 <0.057 <0.132 C s Hydrogen Chloride Concentration, gr/dscf 0.00003 <0.00001 <0.00001 <0.00001 C a Hydrogen Chloride Concentration, mg/dscm 0.059 <0.013 <0.012 <0.028 C AW Hydrogen Chloride Emission Rate, lbs/hr 0.002 <0.001 <0.000 <0.001 E Hydrogen Chloride Emission Rate, lbs/TGP 0.0010 <0.0002 <0.0002 <0.0005 Back Half Analysis - Hydrogen Fluoride - Method 26A

m n Hydrogen Fluoride Catch, mg <0.067 <0.060 <0.058 <0.062 C s Hydrogen Fluoride Concentration, gr/dscf <0.00001 <0.00001 <0.00001 <0.00001 C a Hydrogen Fluoride Concentration, mg/dscm <0.0142 <0.0129 <0.0118 <0.0129 C AW Hydrogen Fluoride Emission Rate, lbs/hr <0.0006 <0.0005 <0.0005 <0.0005 E Hydrogen Fluoride Emission Rate, lbs/TGP <0.0002 <0.0002 <0.0002 <0.0002SUMMARY OF RESULTS EPA METHOD 26A Determination of HCl & HF Emissions Guardian Fiberglass Kingman, AZ Melter Baghouse Stack
Example Calculations Run 1 Stack Pressure, Absolute, in. Hg P S = P bar + P g= 26.491 Volume Sampled at Stand. Cond., cu. ft. 17.647 * V M*  * (P b ar +  H / 13.6) V STD = -------------------------------------------------- = 166.4 T M+ 460 Volume of Water Vapor at Std. Cond.,SCF V WC = 0.04709 * V C = 1.59 Moisture Content of Gas Stream V WC B WS = ---------------------------------- = 0.009 V STD + V WC Percent Moisture in Stack 100 * V WC P MV = --------------------------- = 0.9 V STD + V WC Mole Fraction of Dry Gas 100 - P MV M FD = ----------------------- = 0.991 100 Mole. Wt. Stack Gas, Dry Basis, lb/lb mole M d= 0.44 * %CO 2 + 0.32 * %O 2 + 0.28 * (100 - %CO 2 - %O 2 ) = 28.840 Mole. Wt. Stack Gas, Wet Basis, lb/lb mole M S = M d* (1 - B ws ) + 18.0 * B ws = 28.737SUMMARY OF RESULTS EPA METHOD 26A Determination of HCl & HF Emissions Guardian Fiberglass Kingman, AZ Melter Baghouse Stack
Avg. Stack Velocity, ft/sec (T S + 460) V S = 85.49 * C P *  PS * SQRT ------------------------- = 13.7 (P S * M s ) Gas Volume Flow, Dry Std. Cond. CFM 1058.82 * V S * A * P S * (1 - B ws ) Q SD = --------------------------------------------------- = 11013 T S + 460 Actual Gas Volume Flow, CFM Q A= V S * A * 60 = 13049 Gas Volume Flow, Wet Std. Cond., CFM Q SW= Q SD * [1/(1-B WS )] = 11118 Area of Nozzle, ft 2 A n= ((D n/ 2) ^2 * 3.14159)/144 = 0.00102 Percent Isokinetic 0.0945 * (T S + 460) * V STD I = ----------------------------------------------- = 97.9  * V S * P S * (1 - B ws ) * A n Particulate Matter Concentration, gr/dscf (At Standard Conditions) C S = 0.0154 * m n/ V STD = 0.0048 Particulate Matter Concentration, gr/acf (At Standard Conditions) C as = 0.0154 * m n/ V M= 0.0043 Particulate Matter Emission Rate, lbs/hr (At Standard Conditions) C AW = 0.00857 * C s * Q SD = 0.45 Particulate Matter Emission Rate, lbs/MMBtu E = C AW/ T C= 0.178 Standard Conditions 68 Deg. F, 29.92 in. Hg