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rr r r■ rr rr r rr r r r r r r r r rr rr r w <br /> TABLE 2 GROUNDWATER MONITORING DATA, FORMER EXXON RS 7-3708, 2705 COUNTRY CLUB BOULEVARD, STOCKTON, CA <br /> Other <br /> Reference Depth to Groundwater Ethyl- Total TPH as Oxygenates and Dissolved <br /> Monitoring Elevation Groundwater Elevation Benzene Toluene benzene Xylenes gasoline MTBE Additives Lead <br /> Well Date (feet) (feet) (feet) (29/L) (pg/L) (ltg/L) _ (µg/L) (lig/L) (lig/L) (lig/L) (gg/L) <br /> VEW3 02/10/00 NM NM NC NS NS NS NS NS NS NS NS <br /> VEW3 05/17/00 NM NM NC NS NS NS NS NS NS NS NS <br /> VEW3 08/07/00 NM dry NC NS NS NS NS NS NS NS NS <br /> VEW3 11/06/00 NM NM NC NS NS_ NS NS NS NS NS NS <br /> VEW3 02/26/01 NM 682 NC <0 5 <0 5 <0 5 <0 5 <50 2 1/<Sh NA NA <br /> VEW3 05/10/01 NM 741 NC <0 5 <0 5 <0 5 <0 5 <50 <51' NA NA <br /> VEW3 08/16/01 NM dry NC NS NS NS NS NS NS NS NS <br /> VEW3 11/20/01 NM dry NC NS NS NS NS NS NS NS NS <br /> VEW3 03/12/02 o NM 725 NC 120 <10 <10 <10 16,600 30,3001` 80 0"'/1,050" NA <br /> VEW3 05/02/02 o NM 7 50 NC <0 5 <0 5 <0 5 <0 5 12,900 16,35011 1,060" NA <br /> VEW3 09/23/02 NM 8 68 NC NS NS NS NS NS NS NS NS <br /> VEW3 12/06/02 o NM 8 71 NC 344 250 16 5 178 NA 54,00011 ND NA <br /> VEW3 03/17/03 NM 790 NC 126 25 5 125 3 5 7,080 11,60011 30 4"/21,000" NA <br /> VEW3 05/29/03 NM 841 NC 285 30 2 5 365 7,680 3,15011 16 5"'/23,400° NA <br /> a=local volatile hydiocarbons <br /> b=Result Is an estimated value because it exceeds the linear range <br /> c=A typical chromatogram with untdentllled peak(s)within the range of gasoline hydrocarbons Chlorinated hydrocarbons are suspected <br /> A groundwater sample collected from monitoring well MW6 on 4/17/92 contained chlmabenzene and 1,2-dichlorobenzene <br /> d=A typical chromatogram Analysis of this sample by EPA Method 624 on 4117192(past EPA recommended holding time)was positive for the <br /> following chlorinated hydrocarbons vmylehlonde,cis t 2-dlchlnroethene,trichloroethane and tetrachloroethane These peaks resulted it a positive <br /> fuel hydrocarbon result <br /> e=A typical chromatogram four unknown peaks were observed causing a positive fuel hydrocarbon result Chlorinated hydrocarbons are suspected <br /> f =Atypical chromatog=ant An unknown ps ak was observed between M f13E and benzene Chlai mated hydrocarbons are suspected <br /> g=A typical chromatogram Analysis of this sample by EPA Method 624 on April 17, 1992(past EPA recommended holding time),was positive for the <br /> following chlorinated hydrocarbons chlorobenzene and 1 2 dichlorobenzene <br /> h=M rBf:by t-PA Method 8260 <br /> g 1projetts1737085masterkvp1g0503113708gw xis <br /> P46� It of 19 <br />