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Del Monte Foods 4 May 4, 2009 <br /> f Claim 2612 <br /> D. Groundwater Trends: <br /> I <br /> 1,2 DCA trends are shown below <br /> 1 ,2-DICHLOROETHANE Results for NP1-80 <br /> 3500 <br /> 3000 <br /> 2500 —N�\ - <br /> i <br /> 2000 <br /> 1500 -`"". ------ <br /> 1000 <br /> 500 <br /> a f I Ev <br /> 1,2-DICHIOROETHANE —�--- Trend <br /> VII. SENSITIVE RECEPTOR SURVEY: no wells identified within Yz mile of the site <br /> Vlll. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: 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, air/ oxygen sparging <br /> — E.-Contaminant Exposure Pathway.Evaluation:-_,unknown _r—,_._Y,-. <br /> F. Recommendation: <br /> In March 2008, the Fund made the following recommendation: Based ori the <br /> following criteria, the Fund recommends this site be considered for closure <br /> providing the potential for soil vapor migration is assessed and determined safe <br /> for prescribed site activities, public participation and fee title notifications are <br /> conducted, and the monitoring wells are appropriately abandoned. <br /> • The source of the UST release has been identified and removed. <br /> Free-phase product in groundwater has been removed to the full extent <br /> practicable, in accordance with the UST Regulations (Title 23, CCR, <br /> Section 2655). <br /> California Environmental Protection Agency <br /> Z,}RecydedPap, <br />