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r <br /> Den's Auto Repair r="5 � r� tApri1"2012 <br /> UPDATED, April 2012, source area monitoring we11f.MW=2b:h6s historically had elevated <br /> concentrations of residual hydrocarbons in groundwater. -However, after-14 years.of monitoring, <br /> the groundwater plume is largely limited to the source area. Analytical data indicate.that WOOS <br /> have been achieved in down"gradient wells. Groundwater within the source_area will likely <br /> remain above 1NQOs f water supply for years to decades The affected shallow groundwater is not used as a <br /> source onor`is`it likely to-be Pse7,w a as a source of water supply i'n.the foreseeable <br /> future. Water users in the"vicmity`of the site.rely on the California'Water Supply Based on <br /> facts in..the record and hydrologic;,and geologic.cond,itions at the'site, the limited residual <br /> petroleum-hydrocarbons that remain in soil and groundwater pose little riskito human health, <br /> safety and the environment. The"Fund,recommends that the Regional Board review_this site for <br /> closure. • _ 1 <br /> s/ <br /> - - - �s�°a y.:"„� 7" �•y! � / <br /> .r .. , <br /> ► „* ;. . <br /> Kirk arson,iP.G: I � w , •...Date ,s,+u; -Robert;Trommer; C.H G.� 'Date • <br /> Engmeering.Geologist _ � � Senior Engineering=Geologists <br /> w 4 J a ., K ,,,E <br /> Technical Review Unit '� _ �• , Chief, Technical Review lJnit �.:y <br /> 916 341-5663 4 ) <br /> 916 1341 5634 . <br /> 84 a. <br /> i 4. a.. _ � f ♦�. a'� +1' � � t;` . <br /> `,�<^� � ��: .y i <br /> 14, <br /> 110 <br /> h # t 7 <br /> f ! F y <br /> A <br /> 1 <br /> f <br /> 4 ` r a } } T of <br /> a40 <br /> K 4 !♦< , fF <br />