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• <br /> I. <br /> ? •-�. 5. STATUS OF SOIL REMEBIATZON <br /> rf; On behalf of Exxon, EVAX Technologies has filed a soil venting <br /> work plan with the San Joaquin County Environmental Health <br /> Department. Pending approval of this work plan, EVAX plans to <br /> construct a system to extract and treat soil vapors from the <br /> subsurface. <br /> i <br /> ` 6. STATUS OF FREE PRODUCT PLUME DEFINITION <br /> s <br /> Free product has not, been detected at the site, nor is its pre- <br /> sence suggested by the concentrations of the hydrocarbon, in the <br /> � . groundwater. <br /> } � 7. STATUS OF FREE PRODUCT REMEDIATION <br /> h Free product remediation is not required. <br /> 9: STATUS OF DISSOLVED CONSTITUENT PLUME DEFINITION ! <br /> E 'moi . <br /> Groundwater sampling.has been done on an approximately quarterly <br /> schedule since late 1985. Groundwater sampl'ed---from' 'we�1 °Mw3 <br /> time has contained°>higher concentrations -_of 'petroleum <br /> constituents._'than. water'-;f - faur wells' (Table 2 ) . <br /> j <br /> Since MW3 is surrounded by the other four wells, the dissolved <br /> t constituent plume appears to be limited to the area around MW3, <br /> a� <br /> directly. beneath the former tank field (Figure 11. <br /> - i <br /> Y 9. STATUS OF DISSOLVED CONSTITUENT REMEDIATION <br /> 3. <br /> Groundwater remediation is not currently planned. <br /> 10 WATER .LEVEL RECORDS AND GRADIENT DETERMINATIONS , <br /> The depth to groundwater in each well was measured at the time of <br /> a sampling using an optical interface probe. Groundwater <br /> a ~" e42/71`050/sepg0/tx. 3 <br /> �s} <br />