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Charles Skobrak -4- April 21, 2011 <br /> Claim No. 1028 <br /> feasibility of a groundwater remediation technology such as air sparging. The <br /> Fund will review this site next year to track progress. <br /> UPDATED, May 2010, this site has been under investigation since 1987. <br /> Though soil vapor extraction has been underway since 2008, no active <br /> groundwater remediation has been conducted and significant groundwater <br /> contamination remains. Since the recent air sparging pilot test was promising, <br /> the Fund recommends that the San Joaquin County LOP consider directing the <br /> Responsible Party to begin air sparging to achieve Water Quality Objectives <br /> more rapidly. The Fund will review this site next year to track progress. <br /> UPDATED, April 2011, by 11 October 2010 letter, the San Joaquin County LOP <br /> approved an air sparging work plan. The Fund concurs that active groundwater <br /> remediation is necessary to achieve Water Quality Objectives in a timely manner. <br /> Kirk Larson, P.G. Date Robert 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 /> California Environmental Protection Agency <br /> Ci Recycled Paper <br />