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'Cherokee TrOck Stop -4 - August 25, 2011 <br /> Recommendation <br /> September 2009, Fund recommends that the San Joaquin County LOP direct the Responsible <br /> 'Party,to assess remedial technologies that would achieve Water Quality Objectives in a timely <br /> manner. The Fund will review this site next year to track progress.. <br /> .UPDATED, September 2010, the Fund recommends that the San Joaquin County review this <br /> site for closure. <br /> UPDATED, September 2011, monitoring well'MW-5 screened in the source area have <br /> consistently had elevated concentrations of 1,2 DCA in groundwater. However, after 10 years <br /> of monitoring, the groundwater plume is largely limited to the source area and is decreasing in <br /> concentrations without active remediation. Analytical data indicate that WQOs have been <br /> achieved in down gradient wells. Groundwater within the source area will likely remain above <br /> WQOs for years. The Fund recommends that the San Joaquin County LOP review this site for <br /> closure. <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 />