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i <br /> TIRE 8 • <br /> EXTRACTION AND EMISSION RATES <br /> ARCO FacilityNo 6100 <br /> 25775 South Patterson Pass <br /> Tracy,California <br /> Influent Propane Effluent System Influent Effluent concentration Extraction Rate from Emissions Rate to DestructionI Cumulative Mass <br /> Date Flowrate Use Rate Flowrate (m€/m3) (mg/m' Wells lbs/da ) Atmosphere(lbs/day) Efficiency o/u GRO <br /> (scfm)i (cfm) (acfm) GRO C6H6 MTBE GRO C6H6 MTBE GRO C6H6 GRO C6H6 GRO CAH, Period Total <br /> The combined cumulative mass removed using the previously operated two 200 cfm King,Buck&Associates SVE systems is= 9,62500 <br /> 05/16/05 17932 0 006 3043 22,000 120 <100 <50 <0 50 <0 50 35036 191 <1 35 <0 01 >99 61% >99 29% 35036 9,97536 <br /> 06/14/05 25019 0 006 3752 3,100 62 <5 0 <50 <0 50 <0 50 6888 138 <1 67 <0 02 >97 58% >98 79% 3,98804 13,963 40 <br /> Notes <br /> GRO=Gasoline Range Organics NA-Not applicable <br /> 6116=Benzene <br /> (fluent Flow rate=Influent flow rate+natural gas consumption rate+combustion air flowrate <br /> Combustion air flow rate=125 cfm(assumed constant) <br /> System influent includes dilution air and since it is measured on the positive side of the blower flow is corrected only for temperature <br /> Propane usage rate is estimated based on the invoice summary provided by Kamps Propane <br /> Sam ie Calculations <br /> Ext Rate from = 71 5 cu ft x 27 DUO mm x 0 028 cu meter x lb <br /> Wells(lbs/day) min cu meter cu ft 454000 mg <br /> 350 36 lbs/day <br /> st Removal = 1350 36-135 x 100=X98 07% <br /> Efficiency % 35036 <br /> ARCO-6 100 Quarterly_O&M_500cfm Page 1 of 1 STKATM5 <br />