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P <br /> 1 <br /> Project No.;58080-06-02 i <br /> September 30, 1994 <br /> Page 6 <br />' <br /> The development and purge water will be retained onsite in 55-gallon.drums pending <br /> the results of the laboratory analyses and subsequent disposal bythe client following <br /> 1 regulatory,protocol. <br /> ml The groundwater samples will be submitted to a state of California certified <br /> analytical laboratory for analyses of TPH as gasoline and diesel ft llowii g EPA Test <br /> Method 8015;Modified,;BTEX and MTBE following EPA Test Method M and; <br /> halogenatedvolatile organics following EPA Test Metho; 601. <br /> Provide quality control/quality assurance (Qk/QC) procedures during the; field <br /> activities. These procedures would include cleansing/rinsing the samplingequipment <br /> prior to each sampling effort,and providing chain-of-custody dacumentaton.fr each <br /> sample:collected and transferredto the laboratory for analytical:testing.: t <br /> Taslt N11- Vapor Extraction Pilot Test !; <br /> i �. <br /> • <br /> Notify the San Joaquin Valley Ilttified Air Pollution ControlDistrict in writing five <br /> calendar:days in advanee=of the vapor extractirm test ('VET);. <br /> • I1rloblize to the site a trafsportable vapor extraction pilot test system andoperatcsr <br /> as described.,in the attached VET Specifications,AppendixA. i <br /> • Collect pre-test data as specified in the attached VET Specifications <br /> r� <br /> Configure VET equipment as'specified in theSpecifications <br /> u <br /> • <br /> Perform VET and data collection as specified.1m the VET Specifications- <br /> Task VIII- Problem Assessment Re ort <br /> •i <br /> Prepare a Problem.Assessment Report(PAR)in accordance with Appendix A of the <br /> Tri-Regional Guidelines summarizing the results of the environmental engineering <br /> services; Included in the report would be a scaled site plan.depicting the measured <br /> locations of the borings and wells at the site,"the results of analytical laboratory r: <br /> testing, the results of the quality'assurance/quality control measures; logs of the <br /> lithology encountered within the exploratory borings, a vapor extraction test <br /> summary and a discussion of remedial options' <br /> t� <br /> ♦. ff <br /> If <br /> '3 <br /> i� <br /> t) <br /> i <br /> it <br /> i <br />