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TABLE 3 GROUNDWATER EXTRACTION SYSTEM ANALYTICAL DATA Former Chevron Service Station 9 5775 ' 301 West Kettleman Lane Lodi California Sample Sample TPH9 Benzene Toluene Ethyl- Total MISE TBA RIPE EtBE TAME Ethanol Methanol EDB 1 2 DCA Date Location benzene Xylenes ( /L) ( L) ( L) ( L) ( L) ( L) ( L) ( L) ( L) ( L) ( L) ( L) ( L) ( L) 06/04/02 EFFL <50 <0 5 <0 5 <0 5 <05 <0 5 <5 <0 5 <0 5 <0 5 <5 <50 <0 5 <0 5 06/11/02 EFFL <50 <0 5 060 <0 5 <0 5 <05 <5 <0 5 <0 5 <0 5 <5 <50 <0 5 <0 5 ' 06/18/02 EFFL <50 <0 5 <0 5 <05 <0 5 <0 5 <5 <05 <0 5 <0 5 <5 <50 <0 5 <0 5 06/25/02 EFFL <50 <0 5 <0 5 <0 5 <0 5 <0 5 <5 <05 <0 5 <0 5 <5 <50 <0 5 <0 5 07/02/02 EFFL <100 <20 <20 <20 <20 <20 <10 <20 <20 <20 <50 <100 <20 <20 07/16/02 EFFL <100 <20 <20 <20 <20 <20 <10 <20 <20 <20 <50 <100 <20 <20 ' 07/30/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 08/13/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 08/28/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 09/12/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 ' 09/24/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 10/08/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 10/22/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 11/05/02 EFFL <50 <0 5 <0 5 <0 5 <0 5 <2 <10 <2 <2 <2 <100 <400 <2 <2 11/20/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 12/03/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 12/17/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 01/07/03 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 01/21/03 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 02/04/03 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 02/19/03 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 3105103 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 18/103 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 1/03 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 04/15/03 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 05/06/03 EFFL <50 <0 5 <0 5 <0 5 <0 5 <0 5 <5 <0 5 <0 5 <0 5 <50 <400 <0 5 <0 5 ' 05/20/03 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 06/05/03 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 06/18103 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 07/14103 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 ' 08/20/03 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 09/16/03 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 10/22103 EFFL <50 <0 5 <0 5 <0 5 <0 5 <0 5 <10 <05 <0 5 <0 5 <100 <400 <2 <0 5 11/14103 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <IN <400 d <2 1211 IM EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 t Discharge Uirri tation I ND <51 <51 <51 <51 ND ND ND ND ND --- ---- .-- A A AL WORATORIES PO d mitxoprams per liter Effl Effluent ' TPH9 as Total Petroleum Hydrocarbons as Gasoline DIPE=DI-Isopropyl ether Sequoia Analytical(FLAP#1271,#1624 and*12360) 12-DCA=1,2-DiGtbroethane ELBE=Ethyl tertiary butyl ether Ip}(Analytical(ELAP#2238) MIBFA Methyl tertiary butyl ether TAME=Tertiary amyl methyl ether Lancaster Laboratories(ELAP#2116) TBA-tart-Sulyhakahol NA=Not analyzed for this oonstttuerd EDB-1,2 Dlbromoetbana ND-Not Detected or below method detection limits NOTES 'Sum of benzene toluene shtybenzene and xylenes not to exceed 0 005 mg&(5 ppb) ' Sample collected after approxh ately 1 400 gallons of tap water was pumped through system during cleaning procedures Sample included 2-butanaons and tetrahydroturan which were quantified as TPHg BwN)W aeacYd aria'appatln t*F SOC Pi"d MP wW w PTV W�� ,Am"meq Pyr d—Tak hy.%,W n r4urd u NA(CI 5 Split sample Collected for Quaiitative analysis(Kill Analytical) °Split sample collected for Qualitative analysis(Lancaster Laboratories) 0 ' IJChevrorV957751Table$/Gwe qpr xis 12 of 12