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ii <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> Donna K. Heran, R.E.H.S, SAN JOAQUIN COUNT' <br /> Unit Supervisors D/recror 304 East Weber Avenue, Third Floor Carl Bergman, R.E.H .S. <br /> Mike Huggins, R. E. H . S . , R. D . 1, <br /> , <br /> At Olsen, R.E.Hs. StocktonCalifornia 95202-2708 <br />; � Douglas W. Wilson , R . E.H. S. <br /> Pro�grom Manager <br /> 9rrFoR Laurie A. Cotuua, R. E.H .S. Telephone : (209) 468 - 3420 Margaret Eagorio, R.E.H . S . <br /> Fax : (209) 464-0138 Robert Mcclellon, R.E.H. S. <br /> Program A�lanager Mark Baroellos, R. E. H. S. <br />'r <br /> EDWARD Co RALSTON <br /> CONOCOPHILLIPS <br /> 76 BROADWAY <br /> SACRAMENTO CA 95812 <br /> RE:- Former Circle K Site Code: 2261 <br /> 8606 Thornton Road <br /> Stockton Ca. <br /> WORK PLAN: SVE Pilot Testing and Interim Ozone Sparging <br /> DATED: 25 January 2005 <br /> PREPARED BY: Secor <br /> APPROVED: [X] <br /> DISAPPROVED: [ ] _ <br /> ADDENDUM NEEDED: [ I Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [HS.S 25296.10 (c)(3)]: <br /> 1 . The installation of 2 Vapor Extraction Wells, <br /> 2. To sample and analyze soil collected for the borings for: TPH-gas, BTEX, Oxygenates <br /> including MTBE and 1 ,2-DCA by EPA method 82608. <br /> 3. To perform a 5 day SVE pilot test. <br /> 4. When approval is granted by the CVRWQCB, install 8 ozone sparge wells and associated <br /> piping to perform interim groundwater remediation. <br /> 5. To complete and submit appropriate reports to EHD and CVRWQCB for review and comment. <br /> COMMENTS AND CONDITIONS: <br /> 1 . All work must be performed under required permits. <br /> 2. The SVE Pilot Test results must be submitted within 60 days of the completion of the field <br /> works. <br /> - 3. James Barton at CVRWQCB must be contacted to determine what Bench Scale Test <br /> parameters will be required prior to ozone system installation and operation. <br /> DATED 031ZVOS. BY 414�"�' — s <br /> Harlin Knoll, Senior REHS (209) 468-3442 <br /> Cc: Sccor-Clinton l tunnc <br />