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Ae I <br /> Groundwater Monitoring Data 2 of 2 <br /> ARCO Service Station No. 2186 <br /> 3212 North California Street <br /> Stockton, California <br /> Well Elevation of Static Water[1] Top of Elevation of Total <br /> Sample Number Date Top of Casing Level Screen 2 Groundwater TPHG Benzene Toluene Eth ]benzene Xylenes MTBE Observations <br /> VW-3 05/23/96 NM 45.76 41.80 NM 290 <0.5 <0.5 <0.5 <0.5 <3 No FP,No S <br /> 11/27/96 NM 51.15 NM 280 <0.5 <0.5 <0.5 <0.5 <3 No FP,No S <br /> 03/21/97 NM 42.49 NM 180 <0.5 <0.5 <0.5 <0.5 <3 No FP,No S <br /> 05/22/97 NM 44.28 NM 240 <0.5 <0.5 <0.5 <0.5 <3 No FP,No S <br /> [I]Measured below top of casing. <br /> [21 Measured from ground surface. <br /> 'Raised MRL due to high analyte concentration requiting sample dilution. MTBE=Methyl tert-butyl ether <br /> Analytical results in pans per billion(pph). FP=Free product. Measumnents in feet. <br /> Elevation datum is mean sea level. S=Shem. <br /> HG=Total petroleum hydrocarbons as gasoline. NM=Not measured. <br /> =Below detection limit for the analytical method used. NA=Not analyzed. <br /> N\xIsV805\l4703\062697M1.XLS F.mcon <br /> Sheet l Revision 0.7115197 <br />