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asibility Study—Enhancement of <br /> Existing Remediation Activities <br /> 8200 N. Highway 99, Stockton, CA <br /> Page 9 of 10 <br /> 4.3 Connection to Treatment System <br /> A Class A licensed contractor will modify and connect the wellhead at EW3 to the existing groundwater <br /> treatment system. The contractor will install a downhole pump with an adjustable flow rate and connect <br /> it to the existing electrical system. The GETS manifold will be modified to accommodate the additional <br /> extraction well. <br /> The GETS will continue to be monitored and sampled according to the protocol outlined in the WDR <br /> General Order No. R5-2003-004412. <br /> 4.4 Monitoring and Sampling <br /> The new extraction well will be placed on the existing groundwater monitoring regime. <br /> 4.5 Protocols and Safety <br /> All field activities performed at the site will be conducted in accordance with the GZA Field <br /> Procedures protocol and the Site specific Site Safety Plan, both of which are on file with EHD. All <br /> drilling and sampling equipment will be decontaminated between uses as required. Soil cuttings <br /> generated from drilling activities and wastewater produced from equipment decontamination will be <br /> properly labeled and contained in DOT approved 55-gallon drums, pending waste characterization and <br /> disposal. <br /> 4.6 Reporting <br /> Following the receipt of analytical data, survey data, well development summary, and disposal <br /> manifests; GZA will prepare a technical report describing field activities, results, conclusions, and <br /> recommendations for submittal to EHD, <br /> i <br /> i <br /> G:IGROUNDZEITULEHURGIReportsI0709 FS rein enhancement.doc <br /> f <br />