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{ <br /> Get-N-Go Mart '3 May 7, 2009 <br /> Claim No. 13850 <br /> C. Groundwater Trends: <br /> • MTBE trends are.'shown below: <br /> METHYL-TE RT' B7TYLtETHER-(MTB.E)=.Results for�MW�2 <br /> 140Q7ii - --- �` _ <br /> �' <br /> ' �A� .. x...31 <br /> tq <br /> 1200-'— <br /> If 2 <br /> 1 Qoo N. <br /> 4 �. <br /> '800- <br /> I <br /> X400� — <br /> fk r <br /> 200 <br /> s s 12.' <br /> �-- METHYLrvTERT BUTYL`ETf lER {MTBE) + Depth, Wafer 4 5 <br /> ., <br /> r <br /> VII. SENSITIVE RECEPTOR SURVEY: . two wells identified within 112 mile of the site: <br /> VIII. 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 a <br /> C. Groundwater Monitoring Summary: strong monitoring history <br /> D. Remediation Summary: ozone,sparging <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. Recommendation: <br /> In May 2008, the,Fund made the following recommendation: The Fund concurs <br /> with the San Joaquin County LOP that ozone sparging continue and to maximize <br /> the treatment system as necessary-to achieve Water Quality Objectives in a <br /> timely manner. The Fund will.review the site next year to track progress. <br /> UPDATED, May 2009: Based on the following criteria, the Fund recommends <br /> this site be considered for closure providing a health hazard risk assessment is <br /> conducted 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 /> California Environmental Protection Agency <br /> P.d RecydedPaper <br /> 3 <br />