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t <br /> October ]�, 1987 <br /> "~. USA Stat°on No. 65 AGS 87050-2 <br /> . Lodi, California <br /> Pacif:,c Environmental Group reported that the site operator was <br /> not 7Fware of any current or past leakage Of the product storage <br /> or delivery system. A tank integrity test was conducted on the <br /> three underground Storage tanks in February 1987. The test <br /> results indicated tight tanks and lines. The source of the <br /> �i <br /> contamination may be possibly related to spillage near the <br /> underground tanks. <br /> 44 <br /> Pacific Environmental Group conducted a visual survey of wells <br /> located within 1/2-mile of tia station property (See PEa Location <br /> 3 � Map in Appendix A) . The PEG map shows several irrigation and <br /> '. domestic wells but no municipal wells. The nearest well is <br /> located approximately 500 feet east of the station. This well, <br /> which is of unknown use, is in the general downgradient direction <br /> Aof ground-water flow from the site. Another domestic well, also <br /> in the downgradient direction, is located approximately.2,000 <br /> feet from the station. All other <br /> 6 wells shown on PEa's map are <br /> either in the cross-gradient orupgradient directions from the <br /> station. <br /> CONCLUSIONS AND RBCONNENDATIONS <br /> The results of .the PEG preliminary investigation and of this <br /> investigation suggest i ggest that hydrocarbon contamination of the soil <br /> 20 <br /> �pi�0o�d G�®Syst`�Ins <br />