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• - <br /> 1 <br /> Table 1 Water Level Data and Ground Water Analytic Results-Former Chevron Service Station 1/9-0959, 103 West 11th Street, Tracy, California <br /> (continued) <br /> Well SDI DTW GWE Product Analytic TPPH(G) B T E X <br /> TOC(ft) Date (ft) (MSI) Thickness* Method < ppb---------- — > <br /> Tnpll.ab Blank <br /> TB-LB 3113/93 — --- — 8015/8020 <50 <05 <0 5 <05 <05 <br /> 6/22/93 --- -- — 8015/8020 <50 <05 <0 5 <05 <0 5 <br /> 8113/93 — --- — 8015/8020 <50 <05 <0 5 <0 S <0 5 <br /> 11/18/93 — — --- 8015/6020 <50 <05 <0 5 <0 5 <0 5 <br /> 2/15/94 --- -- — 8015/8020 <50 <05 <0 5 <0 5 <0 5 <br /> 611/94 — --- — 8015/8020 <50 <05 <0 5 <0 5 <0 5 <br /> 911194 --- --- --- 8015/8020 <50 <05 <0 5 <0 5 <05 <br /> 12/21/94 — — — 8015/8020 <50 <05 <0 5 <05 <05 <br /> 31919S — --- — 8015/8020 <50 <05 <0 S <05 <05 <br /> 4/26/95 --- --- — 8015/8020 <50 <05 <0.5 <05 <0.5 <br /> Bader Blank <br /> BB 3123193 — — — 8015/8020 <50 <05 <0 5 <0 5 <0 5 <br /> 6/22/93 — — --- 8015/8020 <50 <05 <0 5 <05 <0 5 <br /> 8/13/93 --- -- — 8015/8020 <50 <05 <0 5 <0 5 <0 5 <br /> 11118/93 -- — — 8015/8020 <50 <05 <0 5 <0 5 <0 5 <br /> 2115/94 — — --- 8015/8020 <50 <0 5 <0 5 <0 5 <05 <br /> EXPLANATION NOTES <br /> DM = Depth to water ' Product thickness was measured with an MMC flexi-dip interface probe <br /> TOC Top of casing elevation <br /> GWE=Ground water elevation Top of casing elevations and analytic data prior to March 23,1993 were compiled <br /> mal =Measurements referenced relative to mean sea level from the Environmental Assessment Report prepared for Chevron by Groundwater <br /> TPPH(G) =TotaI Purgeable Petroleum Hydrocarbons as Gasoline Technology,Inc ,January T, 1993 <br /> B — Be=ne <br /> T - Toluene r Laboratory reports a hydrocarbon pattern not characteristic of gasoline <br /> E - Ethylbenzene a Top of casing elevations resurveyed February 23,1994 by Ron Miller,P E <br /> X =Xylenes #15816 <br /> ppb = Parts per billion s Water level measurement only was collected due to apparent obstruction in <br /> a Not analyzed/Not applicable well <br /> Hydrocarbons to the gasoline range do not match the gasoline standard <br /> ANALYTIC METHODS pattern(GM) <br /> 8015 =EPA Method 8015/5030 for TPPH(G) <br /> 8020 - EPA Method 8020 for BTEX <br /> 3297 TQM <br />