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• 0 i <br /> Table 1 <br /> Groundwater Monitoring Data <br /> Beacon Station No. 494 <br /> Stockton, California <br /> page 2 of 2 <br /> Monitoring Date TPHg Benzene Toluene Ethyl- Xylenes Depth to Reference Groundwater Comments <br /> Well No. Benzene GW TOC Elev. Elevation <br /> MW-5 09/15/94 54 12 <0 50 <0 50 <0 50 72 18 2008 -52 10 no product/sheen <br /> 11/16/94 100 <0 50 <0 50 <0 50 <0 50 6963 -4955 no product/sheen <br /> 03/02/95 61 14 <0 50 <0 50 <0 50 6659 -4651 no product/sheen <br /> 05/26/95 66 <0 50 <0 50 <0 50 <0 50 64 05 -43 97 noproduct/sheen <br /> Notes TPHg=Total Petroleum Hydrocarbons as gasoline <br /> All analytical results reported in parts per billion (ppb) <br /> GW= Groundwater TOC = Top of Casing Elev =Elevation referenced to arbitrary datum above sea level <br /> All data prior to second quarter 1995 reported by Delta Environmental <br /> Depths and Elevations recorded in feet <br /> I <br /> I <br /> I <br />