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f <br /> r <br /> _ HEALTH SE VICES ,o'�¢�"�..�AI'UBLI : . <br /> SAN JOAQUIN COUNTY `' <br /> ENVIRONMENTAL HEAL'T'H DIVISION `�; � <br /> Karen Furst, M.D., M.P.H., Health Officer .�` t.jii6i43::V <br /> 304 East Weber.Avenue,Third Floor • Stockton, CA 95202 �'FaR <br /> 209/468-3420 <br /> MR BOB DENINNO <br /> 7-ELEVEN,.INC. <br /> 3130 S. OWYHEE STREET <br /> BOISE, IDAHO 83705 <br /> RE: 4627 DaVinci Drive, Stockton(#206320) LOP SITE CODE: 1074 <br /> WORK PLAN: WORK PLAN FOR SITE ASSESSMENT AND FEASIBILTY TESTING <br /> DATED: Oct. 17,2001 <br /> PREPARED BY:IT CORP. <br /> APPROVED: <br /> DISAPPROVED: <br /> ADDENDUM NEEDED: Submitby: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25299.37,subd(c)(3)]: <br /> 1. To perform additional assessment to determine the full extent of contamination:install 2 MWs,and one deep <br /> boring to collect soil and groundwater samples. <br /> 2. To sample and analyze soil and groundwater for TPH-g,BTEX,1,2 DCA and fuel oxygenates by 8260. <br /> 3. To perform a soil vapor extraction pilot test and complete a corrective action feasibility study. <br /> 4. To submit a report of findings to PHS/EHD for review and comment by June 1,2002. <br /> 5. To apply to PHS/EHS for necessary permit. <br /> COMMENTS AND CONDITIONS: <br /> The"Tri-Regional Board Staff Recommendations For Preliminary Evaluation and Investigation of Underground Tank <br /> Sites"along with its"Appendix A"and"Appendix B"should be used as guidance documents. All work and reports <br /> which require geological or engineering evaluation must be performed under the direction of an appropriate California <br /> registered or certified professional. <br /> DATED t l �" d BY <br /> Harlin Knoll,Senior REHS (209)468-3442 <br /> CC: IT <br /> A Division of San Joaquin County Health Care Services <br />