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Canepa's Car Wash - 4 - January 23, 2012 <br /> BENZENE Results for MW17 <br /> Too <br /> Boo <br /> 500 <br /> 6400 <br /> wo <br /> I � <br /> zoo <br /> ioo <br /> 0 <br /> .+BENZENE ---Tro d i <br /> Risk Evaluation <br /> There are no water supply wells or surface water receptors present within 2,000 feet of the Site. <br /> Drinking water at and near the Site is currently supplied by the Stockton East Water District. <br /> Recommendation <br /> February 2008, this case has been open since 1990 and no remediation has been performed. <br /> The Fund recommends the Responsible Party assess remedial technologies and implement <br /> active remediation without delay. In addition, it should be noted that existing well screens are <br /> positioned 20 feet below the water table and the Responsible Party should consider installing <br /> additional appropriately screened wells to determine if adequate site assessment has been <br /> conducted. The Fund will review this site next year to track progress. <br /> UPDATED, April 2009, this site has been under investigation for 18 years and no remediation <br /> has been conducted. The Fund recommends that remedial technologies are assessed and <br /> active remediation begin without delay. The Fund will review this site next year to track <br /> progress. <br /> UPDATED. March 2010, the San Joaquin County LOP directed the Responsible Party to <br /> conduct a dual phase extraction pilot test. The Fund concurs and will review this site next year <br /> to track progress. <br /> UPDATED, February 2011, reimbursement by the Fund is up to date. This site has been under <br /> investigation for 19 years and no active remediation has been conducted. The Fund <br /> recommends that the San Joaquin County LOP require that the Responsible Party begin active <br /> remediation without delay. <br /> UPDATED. January 2012, the Fund concurs with the San Joaquin County LOP that the <br /> Responsible Party must begin active remediation without delay to achieve water quality <br /> objectives in a timely manner. <br /> Kirk Larson, P.G. Date obert Trommer, C.H.G. Date <br /> Engineering Geologist Senior Engineering Geologist <br /> Technical Review Unit Chief, Technical Review Unit <br /> (916) 341-5663 (916) 341-5684 <br />