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PUBLIC HEALTH SEkVICES, <br /> SAN JOAQUIN COUNTY„ A <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.PH., Health Officer ' <br /> 304 East.Weber Avenue,Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> j <br /> SCOTT HOOTON <br /> BP OIL COMPANY , . <br /> 295 SW 41sT ST BLDG 13 SUITE N <br /> i <br /> RENTON WA 98055 <br /> RE: Former BP Oil Site# 11193 <br /> 3202 W.Hammer Ln. j <br /> Stockton,CA J <br /> WORKPLAN: Work Plan for 5-Day Dual Phase Extraction Event DATED: 10/29/01 <br /> PREPARED BY. SECOR International Inc. <br /> APPROVED X <br /> DISAPPROVED ❑ <br /> ADDENDUM 0 Submit'by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN OH&S 2529937,subd.(c)(3)): <br /> 1. Conduct a 5-day,dual phase extraction(DPE)feasibility test using a trailer-mounted DPE system. <br /> COMMENTS AND CONDITIONS: <br /> 1. DPE system will run continuous 24 hrs.per day for the 5 days. <br /> 2. Effluent extracted groundwater will be sampled at the start-up of the system,once each day and prior to <br /> termination of the test. <br /> 3. Laboratory analysis of vapor and groundwater samples for total petroleum hydrocarbons,BTEX,and fuel <br /> oxygenating compounds. <br /> 4. NotifyPHS/EHD at least 48 hours prior to the proposed scheduled work dates. <br /> 5. Please forward copies of all reports to Marry Hartzell at the CVRWQCB <br /> DATED BY. - <br /> Sam Savig LCIS <br /> LOP/Site Mitigation Unit IV <br /> Cc: CVRWQCB—Marty Hartzell <br /> SECOR International,Inc.—Rusty Benkosky <br /> Tosco Corporation—David Camille <br /> LWB Development,Inc. <br /> Qa <br /> o�io D <br /> A Division of San Joaquin County Health Care Services <br /> it <br />