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3330 Da',�Drive <br /> *y SJBe t gtl 's . <br /> Saerarne,to.CA 95670 <br /> 9161638 <br /> FAX:.416 <br /> F>38 8385 ; <br /> Env►rontre$ntat <br /> Consuttants,Inc. <br /> f4: <br /> }4 <br /> August 14, 1991 <br /> t , e <br /> Mr.Michael J. Infurna <br /> AUG 191 <br /> San Joaquin County Environmental Health Department <br /> P.O.Box 2009 <br /> Stockton,California 95201 CI NIRONMEN'TALHEALTH <br /> Subject: Work Plan--Exxon Location R1S 7-3708 <br /> 2705 Country Club Boulevard,Stockton,California <br /> Delta Project No.40-91-838 <br /> Dear Mr.Infurna: <br /> Delta Environmental Consultants Inc.(Delta),has been authorized by Exxon Company U.S.A.(Faxon), <br /> to co:rduct a hydrogeologic investigation of Exxon Station No.7-37 8,';ocated at 2705 Country Club <br /> Boulevard, Stockton, San Joaquin County, California, as shown ort jF1gure 1 The purpose of the t <br /> investigation is to evaluate the presence or absence of petroleum hydrocarbons in soil and groune!water <br /> beneath the site.No known leaks,spills,or unauthorized releases hoixntred ittt,the site. t <br /> ave <br /> scopg of Work <br /> The following activities are proposed in order to accomplish the stated objective. <br /> - G.t <br /> o Drilling three soil borings to approximately 35 feet below grade and completing them <br /> as ground water monitoring wells MW-1,MW-2,and A1W-3. <br /> * Collecting soil samples at approximately 5-foot intervals. <br /> o Screening the recovered soil samples in the Geld for the presence of organic%.tpors and <br /> submitting selected samples for laboratory analysis of petroleum hydrocarbon # <br /> constituents. ; <br /> o Developing,purging,and collecting;round water samples from each monitoring well <br /> for laboratory analysis of petroleum hydrocarbon constituents,. <br /> o Surveying monitoring well riser elevations and measuring ground water levelsin <br /> monitoring wells MW-1,MVV-2,and MW-3. <br /> t <br /> Y <br /> 1 <br /> 3t <br /> Delta Delivers Solutions <br /> t <br /> , <br /> k <br /> V. ;. <br />