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COMPUTATION SHEET <br /> PROJECT TITLE ARCO Service Station No 6100 PROJECT NO U 6100-16 9 <br /> DESCRIPTION Mass Emission rates SHEET 3 OF 5 <br /> PREP BY K Na ara u DATE 5/6/2004 CHKD BY G Kowtha DATE <br /> Mass extraction and emission rates are calculated using the formula <br /> scfm Conc in mg [ Ib 1440 min m3 <br /> min m3 453593 mg day 135 3145 ft3 <br /> For Unit 1 (SI No 9321) <br /> Calculation of mass extraction rate for influent GRO=2,800 mg/m3 <br /> 181 58 2 800 mg Ib 1440 min I m3 k <br /> min m3 453593 mg I day 135 3145 ft3 <br /> 4571 lbs/day <br /> Calculation of mass extraction rate for influent benzene Y 12 mg/m3 <br /> 181 58 12 mg Ib 1440 min m3 <br /> min m3 453593 mg I day 135 3145 ft3 <br /> • — <br /> 020 lbs/day <br /> Calculation of mass extraction rate for influent MTBE=51 mg/m3 <br /> 181 58 51 mg Ib 1440 min m3 <br /> min m3 453593 mg I day 135 3145 ft3 <br /> = <br /> 083 lbs/day <br /> For Unit 2 SI No 9230 <br /> Calculation of mass extraction rate for influent GRO=2,500 mg/m3 <br /> 17039 1 2,500 mg Ib 1440 min m3 I <br /> min T m3 453593 mg I day 135 3145 ft3 <br /> 3829 lbs/day <br /> Calculation of mass extraction rate for influent benzene=25 rng/m3 <br /> 17039 25 mg [ lb 1440 min m3_ <br /> min m3 453593 mg I day J35 3145 ft3 <br /> 038 lbs/day <br /> Calculation of mass extraction rate for influent MTBE=35 mg/m3 <br /> 17039 35 mg Ib 1440 min1 m3 <br /> min m3 453593 mg I day 135 3145 ft3 <br /> = <br /> 054 lbs/day <br /> ARCO 3100 Source To est Cafcs&Summary <br />