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r <br /> i <br /> DISCUSSION <br /> s indicates that nine documented water supply wells are <br /> The water supply well survey <br /> lows to be located with in a 1/2-mule radius of the site. None of these wells <br /> sare <br /> of <br /> known adient direction from the UNOCAL facility. Analyses <br /> i currently in the downgr e5ts that WSW-1 has not been impacted by <br /> groundwater frons Well WSW-1 sugg <br /> hydrocarbons. m TpH gasoline,710 ppm <br /> hest hydrocarbon concentrations in <br /> 33oring U_1 <br /> which is located adjacent <br /> The hig Yom fr <br /> 6 TPH diesel} are at the 5-foot depth sampleHydrocarbon concentrations in the vicinity of U-2 <br /> to the above-ground storage tanks- m TPH gasoline,S ppm TPH <br /> were also found to be highest at the 5 foot deoringath1ua0 d to sow or non-detectable levels <br /> { diesel). These concentrations <br /> in each boundwater. <br /> f in the 10-foot sample,which is below gs roundwater were found in the sample <br /> r ' The highest hydrocarbon concentrations mTPH asoline located within 10 feet of the former <br /> w: I <br /> [ <br /> collected from Well U-2 (670 Ppoundwater sample collected from Well U-1, which is <br /> transmission fluid tank. The gr PP gasoline. <br /> located adjacent to the above-ground tank complex, contained 140 b TPH . <br /> i <br /> The>lack of:hydrocarbons in the.groundwater collected from Wel1U-3 defines <br /> the;;extei,it of <br /> dissolved:hydrocarbons east of the transmission fluid tank and assoccated <br /> piping <br /> 'E <br /> j <br /> i <br /> 7 <br /> February 13,1991 <br /> - <br /> _ _ <br /> i T 310x101/REP0R �. - <br /> s <br /> ,k <br /> 1� <br />