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• HEALTHDEPARTMENT <br /> ENVIRONMENTAL <br /> PQ SIN SAN JOAQUIN COUNTY Unit Supervisors <br /> Carl Bergman,R.E.H.S. <br /> Donna K.Heran,R.E.H.S. 304 East Weber Avenue, Third Floor Mike Huggins,R.E.H.S.,R.D.I. <br /> DirectorDouglas W.Wilson,R.E.H.S. <br /> Al Olsen,R.E.B.S. Stockton, California 95202-2708 <br /> Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> • cq.,j _..�`p• Robert McClellon,R.E.H.S. <br /> tFOR Laurie A.Cotulla,R.E.H.S. Fax: (209)464-0138 Mark Barcellos,R.E.H.S. <br /> Program Manager <br /> KAREN PETRYNA <br /> SHELL OIL PRODUCTS US <br /> 20945 S WILMINGTON AVE <br /> CARSON CA 90810 <br /> RE: Former Texaco Service Station <br /> Site Code: # 1055 <br /> 440 Charter Way <br /> Stockton CA 95206 <br /> WORKPLAN, Site Investigation Work Plan and Bio-Parameter Data Analysis <br /> DATED. February 26,2004 <br /> PREP BRED BY: Cambria Environmental Technology,Inc. <br /> APPROVED. [xl <br /> T)1kPPROVED: [ ] <br /> AD__UATE AND NErvccaraY FT FMENTS OF Tt TT &Q&K PLAN [H&S 20299'37,subd(c)(3)1: <br /> 1. Installation of two cone penetrometor test(CPI)borings on the southern edge of the property. The borings will be <br /> advanced to 150 feet below surface grade. Soil and grab groundwater samples will be collected at appropriate <br /> intervals,to total depth of the borings. fuel oxygenates,1,2-DCA and EDB. <br /> 2. Analysis will be completed by EPA approved methods for TPHg,BTFY xyg <br /> 3. Following this work,a work plan for the installation of additional deep-screened monitoring wells will be submitted. <br /> CO n rvntTS AND CONDITIONS: <br /> 1. Report of findings,SCM and work plan for monitoring well installations,must be submitted to SJC/EHD <br /> within 60 days following completion of the fieldwork. <br /> 2. Submit a SanJoaquin County Well Permit Application and required$89.00 permit fee. <br /> Nuel C.Henderson,Jr.,R.G. <br /> Lori Duncan,Senior REHS LOP/Site Mitigation Unit IV <br /> LOP/Site Mitigation Unit IV <br /> cc: James Barton,CVRWQCB <br /> Joe Neely,Cambria <br />