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TABLE 1 <br /> EXTRACTION GROUNDWATER ANALYTICAL DATA <br /> Chevron Service Station 9-1452 <br /> 334 East Ripon Street <br /> Ripon,California <br /> Ethyl- Total <br /> Sample ID Date TPFIg Benzene Toluene MTBE TBA TAME Ethanol <br /> benzene Xylenes i <br /> (µ91l) (µg11) (µ91t) (Agll) (3911) (Pg/1) (µg11) (Ag") (mgll) <br /> 4}4 <br /> MW-8 FIN cont. 04/05/05 170 <5 <5 <5 <5 4,900 1,300 140 <500 f <br /> 04112/05 130 <5 <5 <5 <5 3,100 990 89 <500 <br /> t 04/19105 140 <3 <3 <3 <3 3,500 980 98 <250 <br /> 04/26/05 120 <5 <5 <5 <5 4,800 1,700 130 <250 <br /> 05/03/05 69 <3 <3 <3 <3 1,400 350 40 <250 <br /> <3 <3 <3 <3 2,300 510 47 <250 <br /> 05/10/05 78 ' <br /> 05/17/05 120 <3 <3 <3 <3 2,100 560 56 <250 <br /> 05/24/05 53 <3 <3 <3 <3 1,200 500 31 <250<250 `05/31/05 <50 <3 <3. <3 <3 1,600 760 43 <br /> 1 <br /> Explanations: <br /> µg11 =Micrograms per liter <br /> TPNg =Total petroleum hydrocarbons as.gasoline <br /> MtSE =Methyl tertiary butyl ether <br /> TBA =Tertiary butyl alcohol <br /> TAME =Tertiary amyl methyl ether <br /> INI =Sample collected from well MW-8 with disposable bailer prior to batch groundwater extraction. <br /> .FiN =Sample collected from well MW-8 with disposable bailer after batch groundwater extraction. <br /> Batch =Sample collected from tank of vaccuum truck with disposable bailer following completion of <br /> batch groundwater extraction. t <br /> -- =Nat analyzed i <br /> cont. =continued data <br /> Notes: I <br /> 1 a =Samples also analyzed for ethyl tertiary butyl ether(ELBE),di-isopropyl ether(DIPE),ethanol, <br /> ethylene dibromide(EDB),and 1,2-dichloroethane(1-2,DCA). Analytes not detected at or <br /> above method detection limits. <br /> b =Initial sample referred to as Pre sample on chain-of-custody. <br /> c =Final sample referred to as Post sample on chain-of-custody. <br /> d ° =Batch sample referred to as Tank sample on chain-of-custody. <br /> e =Batch sample referred to as VacTruck sample on chain-of-custody. k <br /> I <br /> r <br /> I <br /> { Iff <br /> 1 <br /> i 1:1Chevran%91452iReparB81Ch Eatractioneatch Extraction Results.xls 404 <br /> 3 <br /> i <br /> t <br />