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Tabl 2 <br /> . Soil Vapor ExtractiorWm Emission Data - <br /> ARCO Service Station#2093 <br /> 3425 Tracy Boulevard,Tracy,California <br /> TPH as Gasoline Benzene <br /> Effluent Effluent <br /> Hour Meter Blower Average Concen- Emission Destruction Concen- Emission Destruction Is System <br /> Sample Date Reading Vacuum Flow Rate tration Rate Efficiency tration Rate Efficiency In Compliance <br /> ID Sampled (hours) ("H2O) (scfm) (ppmv) (lbs/day) (percent) (ppmv) (lbs/day) (percent) with AQMD <br /> EFFL 12/15/99 14,957 60 72 NO 00 100% ND 0 000 100% Yes <br /> EFFL 1126100 14,957 62 61 ND 00 100% ND 0 000 100% Yes <br /> EFFL 2116100 15,460 63 55 ND 00 100% ND 0 000 100% Yes <br /> EFFL 3/15/00 15,461 60 47 ND 00 100% ND 0 000 100% Yes <br /> EFFL 4126100 16,469 50 80 ND 00 100% ND 0 000 100% Yes <br /> EFFL 5/25100 16,470 60 61 ND 00 100% ND 0 000 100% Yes <br /> EFFL 6/29/00 17,022 60 51 ND 00 100% ND 0 000 100% Yes <br /> EFFL 7/27/00 17,693 52 BO ND 00 100% ND 0 000 100% Yes <br /> EFFL 8128100 17,693 50 90 ND 00 100% ND 0 000 100% Yes <br /> EFFL 9129100 18,462 55 71 ND 00 100% NO 0 000 100% Yes <br /> EFFL 10/23/00 18,462 45 78 ND 00 100% ND 0 000 100% Yes <br /> EFFL 11/28/00 19,326 50 70 ND 00 100% ND 0 000 100% Yes <br /> EFFL 12/18/00 19,326 50 88 ND 00 100% ND 0 000 100% Yes <br /> EFFL 1/16/01 20,024 48 73 NO 00 100% NO 0 000 100% Yes <br /> EFFL 2113101 20,024 50 72 ND 00 100% NO 0 000 100% Yes <br /> EFFL c 4/17101 20,746 50 71 ND 00 100% ND 0 000 100% Yes <br /> EFFL c 5/21101 21,560 50 72 ND 00 100% ND 0 000 100% Yes <br /> EFFL 6/25101 21,560 -- 00 - 0 000 Yes <br /> EFFL 7/12101 21,560 - - — 00 0 000 Yes <br /> EFFL 8117/01 21,560 -- -- - 00 -- - 0 000 -- Yes <br /> EFFL 9111101 21,560 -- -- -- 00 -- - 0 000 -- Yes <br /> scfm =Standard cubic feet per minute ND =Not detected <br /> ppmv =Parts per million by volume a =Prior to April 1998 data was collected and reported by Brown and Caldwell <br /> lbs =Pounds b =TPH-g and benzene concentrations reported as ND are taken as 0 ppmv for calculation purposes <br /> =Not applicable or not analyzed c =system effluent from field FID readings <br /> TPH = Total purgeable hydrocarbons AQMD =Air Quality Management District <br /> I � <br /> 077 43210 1900&M Tables/TABLE 2 <br />