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• TOE 8 • <br /> EXTRACTION AND EMISSION RATES <br /> Fortner ARCO Station No 6100 <br /> 25775 South Patterson Pass <br /> Tracy,California <br /> Influent Propane Effluent System Influent Effluent concentration Extraction Rate from Emissions Rate to Destruction Cumulative Mass <br /> Date FIowrate Use Rate2 Flowrate (mg/m3) (mg/m' Wells(lbs/da Atmosphere lbs/da Efficiency% GRO <br /> (scfm)i (cfm) (acfm) GRO C6H6 MTBE GRO C6H6 MTBE GRO C6H6 GRO C61-16 GRO C6H6 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 /> 06/14/05 250 19 0 006 3752 3,100 62 <5 0 <50 <0 50 <0 50 6888 1 38 <1 67 <0 02 >97 58% >98 79% 3,98804 13,963 40 <br /> 07/06/05 29256 0 006 4176 9,600 160 <I0 <50 <0 50 <0 50 24943 416 <1 85 <0 02 >99 26% >99 55% 3,48485 17,448 25 <br /> 08/02/05 20051 0 006 3255 15,000 130 <10 <50 <0 50 <0 50 26711 231 <1 45 <0 01 >99 46% >99 38% 6,98085 24,429 10 <br /> 09/06/05 11679 0 006 2418 24,000 440 <10 <50 <0 50 <0 50 24893 456 <1 07 <0 01 >99 57% >99 76% 9,05657 33,485 67 <br /> 12/07/05 24851 0 006 373 5 31,000 200 <10 <50 <0 50 <0 50 68418 441 <1 66 <0 02 >99 76% >99 62% 6,17798 39,663 65 <br /> Notes <br /> AO=Gasoline Range Organics <br /> 6H6=Benzene <br /> Effluent 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 for May and June 2005 Usage rate was assumed to remain the same far July <br /> August,September &December 2005 <br /> am le Calculations <br /> Ext Rate from _ 715 cu ft x 27 000 mm x 0 028 cu meter x lb <br /> Wells(lbslday) min cu meter cu ft 454000 mg <br /> = 350 36 lbs__,/day <br /> est Removal = (350 36-135 x 100=>98 07% <br /> Efficiency,% 35036 <br /> Arco_6100_Quarter1y 0&M_500cfrn Page 1 of 1 5TKATUS <br /> I <br />