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Shell - 5 - March 29, 2012 <br /> UPDATED, April 2012, residual contamination in the source area continues with 0.03 feet <br /> (0.36 inches) of free phase product noted in MW-16-50, approximately 17 feet beneath the <br /> active UST basin. Residual contamination remains confined to the central portion of the active <br /> retail gasoline station. The affected shallow groundwater is not used as a source of water <br /> supply nor is it likely to be used as a source of water supply in the foreseeable future. Water <br /> users in the vicinity of the site rely on the California Water Company. Based on facts in the <br /> record and hydrologic and geologic conditions at the site, the limited residual petroleum <br /> hydrocarbons that remain in soil and groundwater pose little risk to human health, safety and <br /> the environment. The Fund continues to recommend that the San Joaquin County LOP review <br /> this site for closure. <br /> Y/� <br /> Kirk Larson, P.G. Date Robert Trommer, C.H.G Date <br /> Engineering Geologist Senior Engineering Geologist <br /> Technical Review_ Unit Chief, Technical Review Unit <br /> (916) 341-5663 (916) 341-5684 <br /> f <br /> S <br /> a <br /> h <br />