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i <br /> WE 2 • <br /> GROUND WATER MONITORING DATA <br /> Exxon Service Station No 7-0I37 <br /> 1605 S El Dorado Street <br /> Stockton,California <br /> Ground <br /> Casing Depth to Water Ethyl- Total TPPH as TEPH as Ethylene <br /> Monitoring Sample Elevation Water Elevation Benzene Toluene benzene Xylenes gasoline diesel MTBE Dibronude Total Lead <br /> Well Date (ft msl) (ft) (ft rnsl) (µg/L) (µg/L) (µg(L) (µ91L) (µ9(L) (µ9/L) (µ9/L) (µ9/L) (µ9/L) <br /> VEW1 07/15/98 NM DRY NC NS NS NS NS NS NS - NS NS NS <br /> 10/14/98 DRY NC NS NS NS NS NS NS NS NS NS <br /> 01/26/99 DRY NC NS NS NS NS NS NS NS NS NS <br /> VEW2 07/15/98 NM 26 Ot NC 12 <0 5 <0 5 084 <50 NA 100 NA NA <br /> 10/14/98 2728 NC <0 5 <0 5 <0 5 <0 5 <50 NA 190 NA NA <br /> 01/26/99 2697 NC 051 <0 5 <0 5 <0 5 <50 NA 140 NA NA <br /> Trip Blank 10/14/98 NIA N/A NIA <0 5 <0 5 <0 5 <0 5 <50 NA <2 5 NA NA <br /> 01/26/99 N/A NIA <0 5 <0 5 <0 5 <0 5 <50 NA <2 5 NA NA <br /> ' Coa►f rotatory value,calculated by EPA Mcthod 8260 for the sample wuh the btghest value measured aI the site by EPA Method 8020 <br /> l.abaratary reported unrd_b&d bydrocarbons <br /> TPPH—Total pmvAle Knuar m hydrocarbons <br /> TEPH-Total extractable petrolcui m hydrocarbons <br /> MTBE-Methyl Mary butyl ether <br /> a mst—Feet relative to men sea level <br /> NA-Not analyzed <br /> NM-Not measured. <br /> NC—Not calculated <br /> NS-Not sampled. <br /> NIA—Not applicable <br /> (Page a of 8)99 865 xis <br />