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b. In the event the presence of an off-site contaminant <br /> plume is substantiated , extraction from the tank area <br /> may draw the contaminants into the capture zone of <br /> MW#1 . We recommend prior sampling of the existing MW#1 <br /> and MW#2 by EPA 601 /602 and TPH , Volatiles. <br /> 5 . Laboratory detection limits proposed for the verification <br /> samples were not included in the workplan . Submit the limit <br /> of auantification proposed during excavation. <br /> 6 . Contaminants remaining at the conclusion of the excavation <br /> attemot shall be addressed in a Soils Remediation Plan. <br /> This remedial plan can be prepared in concert with the <br /> groundwater investigative results and should include at <br /> least three options . The Soils Remediation Plan should <br /> include a feasi bi 1 i ty study for each option proposed . <br /> If you have any questions, contact Darlene Reuss of my staff at <br /> ( 209 ) 468-3450 . <br /> Jogi Khanna, M . D . , M . P .H . <br /> District Health Officer <br /> rte` <br /> Ron` Vinoti , Director <br /> Environmental Health Division <br /> RV/DR : dr <br /> cc : RWQCB, Region 5 <br /> Canonie Environmental , Elliot Bruhl <br />