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r . PUBLIC H LTH SERVI tSQUIN <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION ". <br /> 'r Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 `'FOR <br /> 209/468-3420 <br /> ROBERT COCHRAN <br /> CHEVRON PRODUCTS COMPANY <br /> P O BOX 6004 <br /> SAN RAMON CA 94583-0904 <br /> RE: Chevron Service Station 9-00557 <br /> 139 South Center Street <br /> Stockton,CA 95202 <br /> WORKPLAN: Work Plan for Feasibility Testing/Corrective Action Plan Preparation <br /> DATED: 611101 <br /> PREPARED BY: SECOR Corporation <br /> APPROVED X <br /> DISAPPROVED ❑ <br /> ADDENDUM ❑ Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN(H8tS 25299.37,subd.(c)(3).): <br /> 1. Installation of five proposed soil borings and monitoring well installation(MW--9A,MW-10,MW-11,MW- <br /> 12,and MW-13) and collection of soil samples and water samples. Monitoring well MW-9A will be <br /> screened from 52 to 57 feet bgs. All other monitoring wells will be screened approximately 17 to 32 feet. <br /> 2. Laboratory analysis of soil and water samples for total petroleum hydrocarbons,BTEX,fuel oxygenates, <br /> and lead scavengers. <br /> 3. Dual phase extraction feasibility testing <br /> COMMENTS AND CONDITIONS: <br /> 1. Obtain a well permit from PHS/EHD and notify PHS/EHD at least 48 hours prior to the proposed <br /> scheduled work dates. <br /> DATED BY . <br /> cc: CVRWQCB—Marty Hartzell <br /> SECOR Corporation <br /> A Division of San Joaquin County Health Care Services <br />