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ENVIRONMENTAL HEALTHI)EPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Donna K. Heran, R.E.H.S. Unit Supervisors <br /> Director 304 East Weber Avenue,Third Floor Carl Borgman,R.E.H.S. <br /> Laurie A. Cotulla, R.E.H.S. Stockton,California 95202-2708 Mike Huggins, R.E.H.S., R.D.I. <br /> • �.. P Program Manager Douglas W.Wilson, R.E.H.S. <br /> Q�;Foam Telephone: (209)468-3420 Margaret Lagorio,R.E.H.S. <br /> Fax: (209) 464-01.38 Robert McClellon, R.E.H.S. <br /> Website: www.sjgov.org/ehdl Jeff Carruesco, R.E.H.S. <br /> CHARLES MILLER <br /> USA PETROLEUM COMPANY <br /> 905 RANCHO CONEJO BLVD. <br /> NEWBURY PARK CA 91320-1716 <br /> RE: 2500 W. Lodi Ave. Site Code: 1356 <br /> Lodi, Ca. 95240 <br /> WORK PLAN: Work Plan for Confirmation Sampling Post Remediation <br /> DATED: 7 April, 2006 <br /> PREPARED BY:Stratus Environmental, Inc. <br /> APPROVED: [x <br /> DISAPPROVED: [[ <br /> DED: Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25296.10(c)(3)]: <br /> 1. To advance 3 soil borings in the documented contamination source area. To sample and <br /> analyze the soil every five feet in the 3 proposed borings. <br /> 2. To advance 2 twin CPT points for groundwater sampling, down-gradient from the source <br /> area, for vertical plume definition. <br /> 3. To develop a computer CPT log plotted in the field; will provide a continuous soil log for <br /> lithology. Groundwater hydropunch samples (2)will be collected from each push point <br /> location based upon strata encountered (coarse grained/permeable units will be targeted for <br /> sampling). <br /> 4. To analyze soil and groundwater for TPH-Gas, BTEX, and fuel additives/oxygenates, <br /> including MTBE and 1,2 DCA. <br /> 5. To prepare a report of findings documenting the activities completed. The report will be <br /> prepared by a certified professional and will include soil boring logs, tabulated soil and <br /> groundwater analytical results, a scaled figure for the site and data points, and certified <br /> analytical reports. <br /> COMMENTS AND CONDITIONS: <br /> 1. EHD recommends the work be performed by 19 May, 2006 and the report be submitted to <br /> END and CVRWQCB by 16 June, 2006. <br /> 2. A permit application and fees will be required and need to be submitted and approved before <br /> field work begins. <br /> DATED �/�164� BY ZV <br /> Harlin Knoll, Senior REHS (209)468-3442 <br /> Cc: CVRWQCB <br /> Kristmont West Inc. <br /> Stratus Environmental <br />