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f <br /> f 7.() SUMMARY Uf"FINDINGS <br /> 3 YctrDlcum c dors car soil staining were not obscrved in any of the soil sample.%collected during the <br /> installation of tile monitoring wells, or in the groundwater purged and sampled from each well. <br /> t <br /> I aborltory analyses of the soil samplcs collected at depths of 30 feet(seasonal high groundwater L <br /> t the <br /> level} and 50 feet (ci+pillQl dctcctecl did <br /> dlily o tilecwater sain lespresenct The of consti�u constituents of BTEX <br /> Furthermore, TPP was n <br /> were not detected in monitoring well 5RK-MW t,wh11c trace levels o[Toluene were detected in <br /> h . <br /> wells SRK-A4W2 and SRK-MW3• Lead was not detected in monitoring wells SRK-MW2 and <br /> SRK-MW3,while Lead was detected at 53 ppb in Monitoring well 5RK-M �. <br /> i Based on the above information,the lateral and vertical extenttent ofpooluenetential r contaminant <br /> a slightly c eva ed <br /> has been adequately addressed. However,because trace! <br /> to <br /> concentration of lead were detected, the San Joaquin County i'HSIEHD may require additional <br /> groundwater sampling frDlll ll1C CxI5ling monitoring wells. <br /> j.3 <br /> I <br /> } 1 <br /> Sts(!ea Rubertwn and tUrnlen <br /> MFIM <br />- -------- -- — mow 1 - <br />