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Equilo Enterprises t. August 29,2011 t <br /> Recommendation ,, <br /> April;X2008, the Fund concurs with the'San Joaquin County LOP direct that the Responsible <br /> Party should continue to conduct groundwater extraction and to maximize the treatment system <br /> :as necessary to achieve Water Quality Objectives in.a timely;manner. The Fund will review this <br /> site next year to track progress. <br /> UPDATED,September 2010, the Fund recommends that the'San Joaquin County LOP consider <br /> this site for closure. <br /> UPDATED, September 2011, monitoring well MW-4 screened in the source area has <br /> consistently had elevated concentrations of residual hydrocarbons in groundwater. However, <br /> after 1 years of monitoring, the groundwater plume is largely limited to the source area. <br /> Analytical data indicate that WQOs have been achieved in down gradient wells. Groundwater <br /> within.the source area will likely remain above WQOs for years to decades. The Fund <br /> recommends that the San Joaquin County LOP review this site for closure. <br /> I� !� l•. _ !Y .,� M c. L 4 .� `i • pie' 8 . <br /> Kirk Larson, P.G. Date :,'.Robert Trommer, C.H.G. Date .. <br /> Engineering Geologist . w - Senior Engineering Geologist <br /> Technical Review Unit Chief, Technical Review Unit <br /> (916)'341-5663 (916) 341-5684 <br /> A t1 <br /> 4rF . ✓,a a. <br /> I <br /> I <br /> I <br /> I <br />