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Balbir Grewal `' -3- April 25, 2008 <br /> Claim No. 13651 <br /> i � ' <br /> I •� i I <br /> L <br /> F ' <br /> D. Groundwater Trends. . ' <br /> % ;fl 1 <br /> • 1;2 DCA trends are shown below: <br /> Claim 13651 <br /> 70 <br /> 60 <br /> 50 <br /> 40 I� WV-1 <br /> 0 30 E <br /> ry .i <br /> 20---i II i <br /> 10I <br /> 0 i <br /> Time <br /> ; I i <br /> VII. SENSITIVE RECEPTOR SURVEY: five wells,identified within '/2 mile of the site <br /> Vlll. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site`Description: active retail gasoline station <br /> d <br /> B. Site.History: the extent of groundwater contamination is largely defined <br /> C. Groundwater Monitoring Summary: moderate monitoring history <br /> 'D. Remediation Summary: mope identified <br /> ij <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. Recommendation: Based on the following criteria, the Fund recommends this. <br /> site be considered for closure providing the potential for soil vapor migration is <br /> assessed and determined':'safe for prescribed site activities, public participation <br /> and fee title notifications are conducted, and the monitoring wells are <br /> appropriately abandoned. <br /> The source of the UiST release has been identified and removed. <br /> l <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 /> Contaminants <br /> 655):Contaminants remaining in the vadose zone cannot migrate in soil vapor <br /> or leach at concentrations that would cause groundwater to exceed water <br /> quality objectives. <br /> California Environmental Protection Agency <br /> Q*Recycled Pnper 1 <br />