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7 <br /> Vapor Extractionormance Summary <br /> ARCO Service Station No 6100 <br /> 25775 S Patterson Pas,Tracy, CA <br /> Extraction Rate(ppd) Emissions Rate(ppd) Destruction Removal Efficiency Gumulatrve Mass Removal(pounds) <br /> Date <br /> GRO Benzene <br /> GRO Benzene GRO Benzene GRO Benzene <br /> Period Total Per,:.d:= Total <br /> 05/16/05 3497 1 9 <14 <0 01 >99 6°% >99 3% 350 9975' 2 0" <br /> 06/14/05 688 1 4 <17 <0 02 >97 6% >98 8% 4 038 14 013 32 32 <br /> 07/06/05 2498 42 <1 9 <0 02 >99 30/0 >99 6% 3 488 17 502 61 92 <br /> 08/02/05 2678 23 <14 <0 01 >99 5% >99 4% 6 995 24 496 88 180 <br /> 09106/05 2494 46 <1 1 <0 01 >99 6°% >99 8°% 9 076 33 572 121 301 <br /> 12107/05 6855 44 <1 7 <0 02 >99 8°% >99 6°% 6 190 39 762 60 360 <br /> 01/04106 4276 60 <2 0 <0 02 >99 5°% >99 7% 14 186 53 948 133 493 <br /> 02/14106 873 5 42 <1 8 <0 02 >99 8% >99 6°% 16 033 69 981 126 619 <br /> 03/01106 1538 14 <1 6 <0 02 >99 0% >98 9% 7 606 77 587 42 661 <br /> 04104/06 933 22 <1 5 <0 01 >98 4% >99 3°% 3 966 81 553 59 720 <br /> 05/02/06 234 02 <1 5 <0 02 >93 5% >90 9% 1 637 B3191 34 754 <br /> 06/06/06 251 3 18 <1 8 <0 02 1 >99 3°% >99 0% 4 813 88 003 35 789 <br /> Notes <br /> GRO=Gasoline Range Organics <br /> ppd=pound per day <br /> The estimated mass of GRO removed by the previously operated two 200 cfm King Buck and Associates SVE system was 9 625 pounds <br /> "The estimated mass of benzene removed by the previously operated two 200 cfm King Buck and Associates SVE system is unknown <br /> Extraction Rate[ppd]=influent vapor flow rate]scfm]`influent analyte concentration[mg/m']-0 028[m'/ftj'1440[minlday]'454 000'[lb/mg] <br /> Emissions Rate[ppd]=effluent vapor flow rate[acfm]'effluent analyte concentratson[mglm']'0 028[m'/ft']'1440[minlday]'454 000'[Ib/mg] <br /> Destruction Removal Efficiency=(Extraction Rate Emissions Rate) 1 Extraction Rate'100% <br /> Cumulatwe Mass Removed[pounds]=(average of Extraction Rate_—, and Extraction RateP,e,,_j[ppd]`(Hour Meters,,,,-Hour Meter,,,_)[hours]124[hourslday] <br /> ARCO 6100 OSTM Data Page 1 of 1 SECOR <br />