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Equilon Enterprises -4- February 28, 2011 <br /> Claim No. 4954 <br /> "BENZENE Results for MW-5 <br /> :} .. <br /> 0.5 -- -- '---' - <br /> 0.4 <br /> 0.2 - --1 --'--{ -- <br /> "0.1 r -- --I ---- — <br /> r <br /> 3 <br /> ENZENE { � - <br /> .> <br /> VII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site 'Description: active retail gasoline station <br /> B. Site 'History: the extent of groundwater contamination is defined <br /> C. Groundwater Monitoring Summary:, strong monitoring history <br /> D. Remediation Summary:. soil vapor extraction and free product recovery <br /> E. Contaminant Exposure Pathway Evaluation: pathways determined to be . <br /> incomplete <br /> F. Recommendation: <br /> In March 2008, the Fund recommends that the San Joaquin County LOP direct <br /> the Responsible Party to .monitor newly installed monitoring wells for a full <br /> hydrologic cycle prior to assessing the need to conduct active remediation on the <br /> deeper zones (50+ feet). The Fund will review this site next year to track <br /> progress. <br /> "UPDATED,-March 2009;the'Fund recommends that the San Joaquin-County <br /> LOP direct the Responsible Party to assess,remedial technologies that can <br /> reduce the mass of fuel hydrocarbons in the deeper zones. The Fund will review <br /> this site next year to track progress. <br /> UPDATED, March 2010, this site has been under investigation for 20 years and <br /> no active remediation has been conducted since 1996. The Fund recommends <br /> this site be considered for closure. <br /> California Environmenta/Protection Agency <br /> C.fl <br /> j*Recycled Paper <br />