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Chevron Products -3- March 24, 2009 <br /> Claim No. 5820 <br /> V. FREE PRODUCT: none identified <br /> VI. SOIL AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume <br /> B. In-Situ Soil/ Groundwater Remediation: none identified <br /> D. Groundwater Trends: <br /> • Benzene, MTBE and TBA trends are shown below: <br /> x { <br /> t' Results for rMW 15 {r <br /> 3000� <br /> o � r <br /> A8 <br /> t e s <br /> 2000 <br /> q ill.. r § ; %t ,� zi •�—' . <br /> 1500 v <br /> ij, 24 <br /> 000 2s n <br /> 500777 <br /> 30 <br /> *4".+METHYL-TERT-6UTYL ETHER(MTBE) ;,*,.;;r.+BENZENE WNW TERT-BUTYL ALCOHOL(TBA) fgww+•Doptfi to Weter4J <br /> r <br /> VII. SENSITIVE RECEPTOR SURVEY: two wells identified within Y2 mile of the site <br /> Vill. .COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: former retail gasoline station „ <br /> B. Site History: the extent of groundwater contamination is not fully defined <br /> C. Groundwater Monitoring Summary: strong monitoring-history <br /> D. Remediation Summary: none identified <br /> E. Contaminant Exposure Pathway Evaluation: unknown f <br /> F. Recommendation: <br /> In April 2008, the Fund made the following recommendation: The Fund <br /> recommends that the San Joaquin County LOP direct the Responsible Party to <br /> assess remedial technologies and the potential for hydrocarbon vapor to enter <br /> nearby buildings. The Fund will review this site next year to track progress at the <br /> site. <br /> California Environmental Protection Agency <br /> �?.a Recycled Paper <br />