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0 <br /> COMPUTATION SHEET <br /> PROJECT TITLE ARCO Service Station No 6100 PROJECT NO U 6100-16-9 <br /> DESCRIPTION Mass Emission rates SHEET 3 OF 4 <br /> PREP BY K Nagaratu DATE 11/9/2004 CHKD BY G Kowtha DATE <br /> Mass extraction and emission rates are calculated using the formula <br /> acfm I Conc In mg I Ib _1440 min { m3 <br /> min m3 453593 mg day 35 3145 ft' <br /> Destruction Efficiency is calculated using the formula <br /> %_ (Extraction Rate-_Emission Rate) <br /> Extraction Rate' 100 <br /> For October 6,2004 <br /> Calculation of mass extraction rate for system influent GRO =1,600 mg/m3 and system influent flowrate w 214 44 acfm <br /> 214 44 ft' I 1,600 mg Ib I 1440 min I m3 <br /> min m3 453593 mg I day 1353145 ft3 <br /> 30 84 lbs/day <br /> Calculation of mass emission rate for effluent GRO=57 mg/m3 and effluent flowrate=.214 44 acfm <br /> 21444 ft3 I 57 mg I Ib I 1440 min I m3 <br /> min m3 453,993 mg day 135 3145 ft3 I <br /> 1 10 lbs/day <br /> Destruction Efficiency Calculation ((34 87 lb/day- 1 24 Ib/day)/34 87 lb/day)* 100 <br /> = 96 4% <br /> For October 14,2004 <br /> Calculation of mass extraction rate for system influent GRO =2,000 mg/m3 and system influent flowrate=246 69 acfm <br /> 246 69 ft 3 I 2,000 mg Ib 1 1440 min I m3 <br /> min m3 453593 mg I day 1353145 ft3 <br /> 4435 lbs/day <br /> Calculation of mass emission rate for effluent GRO=<50 mg/m3 and effluent flowrate=246 69 acfm <br /> 246 69 ft 50 m g Ib 1440 min I m3 <br /> min m3 453593 mg day 1 35 3145 ft3 <br /> _ <1 11 lbs/day <br /> Destruction Efficiency Calculation {(50 14 Ib/day- 1 25 Ib/day)/50 14 Ib/day)' 100 <br /> = X97 5% <br /> • <br /> ARCO 6100 Calc Sheets for Oct Nov 2004 fur <br />