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Site History <br /> Jackpot Food Mart, 1434 W Yosemite Ave Manteca, CA <br /> Time Oil Property No 04-167 <br /> indicated 0 06 ppb toluene in the sample collected from W6, however, no <br /> contaminants were detected in the remaining wells <br /> Based on the results of soil samples collected during past and recent site <br /> assessment activities, it appears that the extent of hydrocarbon-impacted soil <br /> is well defined and remains limited to the area of the pump islands SEACOR's <br /> report recommended the installation of a vapor extraction system to address the <br /> small amount of impacted soil Time Oil concurs with this recommendation <br /> Based on the results of samples collected to date, it does not appear as though <br /> groundwater beneath the site has been significantly impacted by hydrocarbons <br /> Although trace concentrations of toluene were present in a sample collected from <br /> W6, the level indicated falls far below California's primary drinking water <br /> quality standards (1,000 ppb for toluene) Accordingly, SEACOR's report did not <br /> recommend the implementation of a groundwater cleanup system Time Oil concurs <br /> with this recommendation <br /> A copy SEACOR's "Problem Assessment Report" was forwarded to the PHS/EHD and <br /> CRWQCB on June 1, 1994 In their response dated May 24, 1994, the PHS/EHD <br /> requested that quarterly groundwater monitoring be implemented until the <br /> investigation and cleanup of the site are deemed adequate. In accordance with <br /> this request, groundwater sampling will be initiated during the Third Quarter of <br /> 1993 The PHS/EHD also requested that a Final Remediation Plan/Corrective Action <br /> Plan (FRP/CAP) be submitted by September 3, 1994 <br /> 4 <br />