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B R : O W N ' AND �. <br /> PAYMENT <br /> =r;1 r <br /> SEP 15 1997 <br /> September 10, 1997 ' <br /> SAN JOAQUIN COUNiV <br /> PUBLIC HEALTH SERVICES <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Mr. Micheal Infurna <br /> San Joaquin County <br /> Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Street, Third Floor <br /> Stockton, California 95202 043-5811-01/1 I <br /> Subject: Work Plan for Well Abandonment, ARCO Facility 5450, <br /> 1617 West Fremont Street; Stockton, California, Site Code 505663 <br /> Dear Mr. Infurna: <br /> k <br /> This letter is a work plan for abandonment of groundwater monitoring well MW-1 and , <br /> transmits a permit application (and fee) at the subject site. Figure 1 is a site map presenting <br /> the location of well MW-1. Well MW-] will be abandoned by drilling out the entire well <br /> casing and backfilling the resulting borehole with bentonite cement grout. The surface will be <br /> completed to match the existing grade. Well MW-1 is constructed with 4-inch diameter <br /> Polyvinyl chloride (PVC) casing with 15 feet of 0.020-inch machine slotted casing and'10 feet <br /> of blank. casing. A site safety and health plan has been prepared for this site and will be. <br /> implemnted during the well abandonment procedures. <br /> Upon completion of well abandonment process, a summary report will be generated for <br /> submittal to ARCO and San Joaquin County. Upon approval of the well abandonment, the <br /> County will issue a site closure certification to ARCO. A <br /> If you have any questions regarding this letter,please contact me at (916) 444-0123. <br /> Sincerely <br /> .BROWN AND CALDWELL � <br /> Steve Misner <br /> Project Manager <br /> California Registered Geologist#6374 ' <br /> cc: Mr. Paul Supple, ARCO Products Company <br /> Environmental Engineering And Consulting•Analytical Services 4811\CORRESP\L.TR-1.DOC <br /> 9616 WCRON AVENUF., SUITE 600, SACRAMENTO, CA 95827-2627 <br /> (9.16) 444-0123 FAX (916) 856-5277 <br />