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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station•2133 <br /> 2908 West Benjamin Holt Drive <br /> Stockton,California <br /> Well Depth Product Groundwater Ethyl- Total <br /> Well Date Elevation to Water Thickness Elevation TPHg Benzene Toluene benzene Xylenes MtBE DO <br /> ID Sampled Notes (ft,MSL) (ft,TPG) (it) (ft,M5L) IYg1L) (pg/Ll IpgrL) (pgi IPgfL) (pQ/Q (mgfL) <br /> Explanation: <br /> ft=Feet TPH9=Total petroleum hydrocarbons as gasoline <br /> MSL=Mean sea level M1BE=Methyl tertiary butyl ether <br /> TOC=Top of casing DO=Dissolved oxygen <br /> pglL=Micrograms per liter <br /> mglL=Milligrams per liter <br /> P/NP=Purged/Not purged <br /> <=Not detected at or above the laboratory method detection limit. <br /> —=Not measured or analyzed(in case of product thickness,none found). <br /> Notes: <br /> i <br />! a=Sample was analyzed using EPA Method 6260. <br /> b=Laboratory reports that this sample may be biased high due to carryover from the previous sampie. <br /> c=Hydrocarbon pattern is present in the requested fuel quantitation range but does not resemble the pattern of the requested fuel. <br /> d=Chromatogram Pattern:Gasoline C6-C10. <br /> a=Groundwater elevation corrected by adding 0.75 X product thickness. <br /> • <br /> I'SChevrorN942751Table512133_OMR.xls 24 of 24 <br />