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TAE 11 <br /> EXTRACTION AND EMISSION RATES-UNIT 2(SL NO 9230) <br /> ARCO Facility No 6100 <br /> 25775 South Patterson Pass Road <br /> Tracy,California <br /> i <br /> Influent Concentration Effluent Concentration Extraction Rate from Emissions Rate to Destruction Removal Cumulative TPHG <br /> Date Flowrate (mg/m3) Wells(lbs/da ) Atmosphere lbs/da Efficiency% Removal lbs <br /> (acfm) GRO I Benzene MTBE GRO I Benzene MTBE GRO Benzene MTBE GRO Benzene MTBE GRO Benzene Period Total <br /> 03/09/04 19800 2,500 25 35 <10 <0 10 <0 40 4450 0 445 062 <0 18 <0 002 <0 007 9960% 9960% 4450 4450 <br /> Air Permit Limits N-5026-1-0&N-5026 2-0 <br /> VOC control efficiency shall not be less than 95% <br /> VOC emissions to atmosphere not to exceed 2 0 lbs/day <br /> VOC emissions served by the catalytic oxidizer not to exceed 27 4 lbslday <br /> am le Calculations 8692 <br /> xt Rate from — 168 53 cu ft x 2 800 mm x cu meter x Ib x 1 440 mm <br /> Wells(lbs/day) min cu meter 35 3145 cu ft 453593 mg day <br /> 42 42 lbslday <br /> est Removal (42 12-0 42)x 100=99% <br /> ffictency % 4242 <br /> ARCO-6100-0&M Page 1 of 1 5TRA71)5 <br />