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Three Palms Grocery -3- July 7, 2011 <br /> Claim No. 13455 <br /> D. Groundwater Trends: 1,2 DCA trends are shown below, source area <br /> 1,2-D►CHLOROETHANE Results for MW1 j <br /> 45 <br /> 40 <br /> 35 1 <br /> J 30 <br /> 25 <br /> 20 - <br /> 1s - <br /> 10 <br /> 5 <br /> 0 <br /> - — 1,2-DICHLOROETHANE� <br /> VII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: former retail gasoline station, market <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 <br /> E. Contaminant Exposure Pathway Evaluation- unknown <br /> F. Recommendation: <br /> In May 2008, the Fund recommends that the San Joaquin County LOP direct the <br /> Responsible Party submit a Corrective Action Plan. The Fund will review this site <br /> next year to track progress. <br /> UPDATED, May 2009, by letter on 4 December 2008, the San Joaquin County <br /> approved soil vapor extraction. The Fund concurs and will review this site next <br /> year to track progress. <br /> UPDATED, May 2010, according to Geotracker, the soil vapor extraction system <br /> was scheduled to commence operation in March 2010. The Fund concurs with <br /> the San Joaquin County LOP that active remediation commence/continue and <br /> the Fund will review this site next year to track progress. <br /> UPDATED, May 2011, nearly one year of soil vapor extraction has been <br /> conducted at this site and water quality objectives have been achieved. The <br /> Fund recommends that the San Joaquin County LOP review this site for closure. <br /> California Environmental Protection Agency <br /> Z,. Recycled Paper <br />