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I <br />Sara Lee Baking Co. - 5 - �"� August 16, 2011 <br />UPDATED, August 2011, monitoring wells (MW -1 and PZ -2) screened in the source area have <br />consistently had elevated concentrations of residual hydrocarbons in groundwater. However, <br />after 24 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 />Kirk Larson, P.G. Date <br />Engineering Geologist <br />Technical Review Unit <br />(916)341-5663 <br />1 <br />Obert Trommer, C.H.G. Date <br />Senior Engineering Geologist <br />Chief, Teehnical Review Unit <br />(916)341-5684 <br />ti <br />} <br />1 <br />Obert Trommer, C.H.G. Date <br />Senior Engineering Geologist <br />Chief, Teehnical Review Unit <br />(916)341-5684 <br />