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r T� • <br /> Ozone Sparge Test Groundwater Analytical Data <br /> I <br /> Chevron Service Station ti9-0557 <br /> 139 South Ccriw Street <br /> Stockton,Califomin " <br /> Dale Const Went(A0) <br /> wet! Sample Elhyl- <br /> ID Collected TPHd TPHmo TPHg Benzene Toluene benzene Xylenes A1tBE TBA DIPS TAME 1,2 DCA EDB ELBE Methanol Ethanol <br /> MW-10 3/12/20023 113M 1,600 410 <0.5 <0.5 <0.5 <0.5 12 <50 <0.5 <0.5 <0.5 205 <0.5 2200 <50 <br /> 411520022 1,400 <1,000 770 <0.5 <0.5 <05 <1.5 <2.0 <100 <2.0 <2.0 <2.0 <20 <20 <1.0w <500 <br /> 5/1020021 NA NA <50 <0.5 <0.5 <0.5 <0.5 0.7 9.0 <0.5 <0.5 <0 5 <0.5 <0.5 A44 <br /> <50 <br /> 61520023 360 430 66 <OS <0.5 <05 <0.5 0.5 <50 <0.5 <05 <0.5 <0.5 <05 -I'd-<x0<50 <br /> WI520022 340 <400 <50 <05 <05 <05 <0.5 <2.0 <100 <20 <2.0 <2.0 <2.0 220 <1.000 <500 <br /> 8/1220023 220 <400 <50 205 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <0.5 <0.5 <0.5 <200 <30 <br /> MW-11 3/12120021 65 <1,000 <50 <0.5 <0.5 <0.5 <05 <0.5 54 <0.5 <0.5 <0.5 <0.5 <0.5 <200 <io <br /> 411520022 <50 <1,000 <50 <0.5 <0.5 <0.5 <1.5 <2.0 <100 <2.0 <2.0 <2.0 Q.0 <2-0 <1.000 <500 <br /> 5/1020023 NA NA <50 <0.5 <0.5 <0.5 <05 3.0 <5.0 <0.5 <0.5 <0.5 <0.5 <05 <300 <50 <br /> W520023 X50 <400 <50 <0.5 <0.5 <05 <0.5 1.0 <5.0 <0.5 <0.5 205 <0.5 <0.5 <200 <50 <br /> 7/15120022 <50 <400 <50 <0.5 <05 <05 <0.5 <2.0 <100 <2-0 <2.0 <2.0 <20 <2.0 ,1,000 <500 <br /> 8/1220023 <50 <400 <50 <05 <0.5 <0.5 <0.5 0.9 <5-0 <0.5 <0.5 <0.5 <0.5 <0,5 <200 <50 <br /> Exolanations- <br /> AgIL = nnicrograms per liter <br /> nisi = mean sea level <br /> bgs = below groundswfaoe <br /> TPHd = total petroleum hydrocarbons quantified as diesel <br /> TPHmo total petroleum hydrocarbons quantified as motor oil <br /> TPHg total petroleum hydro wtr s quantified as gasoline <br /> MtBE = methyl tertiary butyl ether <br /> TBA = tertiary butyl alcohol <br /> D1PE di-isopropyl ether <br /> TAME = tertiary amyl methyl ether <br /> 1,2 DCA = 1,2-dichlorethanc <br /> EDB = 1,2-dibromoethane(ethylene dibrotmde) <br /> EtBE = ethyl tertiary butyl ether <br /> NA = not analyzed for this constituent <br /> -- = well parameter was not taken <br /> Notes: <br /> I = Samples were collected by SECOR prior to hnivation of ozone sparging(baseline samples). Wells were not purged prior to collection of samples. Ozone sparging was iniliatrd on March 29,2002. <br /> 2 = Samples were collected by Gettler-Ryan.Inc.as part of regular quarterly groundwater nnonitoring evcnt Wclls were purged prior to sample collection. Analytical results for these samples are included in Gctdcr-Rywfr <br /> "Groundwatcr Monitoring&Sampling Report"for the respectivc event. <br /> 3 = Samples were collected by SECOR. Wells were not purged prior to collection of samples. <br /> I Chevronl9C557VsporwCap1CAP ProTess RWMs\OS Tahlaa-thm 8_02 <br />