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.L j California R10ional Water Quality %introl Board <br /> `■/ Central Valley Region . <br /> Steven T.Butler,Chair °'" <br /> Winston H.Hickoz Grav Davis <br /> Secretaryfor Sacramento Main Office Governor <br /> Enviromnental lutemet Address: http:/A w .s b.mgov/- gcb5 <br /> Protection 3443 Routier Road,Suite A,Sactamento,California 95927-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 pp <br /> 26 May 1999 C " <br /> Mr. David Kielsmeier MAY 2 71999 <br /> Leprino Foods,Inc. <br /> 1830 West 38th Avenue ENVIRONMENTAL <br /> N IRONME TSERVICES LT <br /> P.O. Box 173400 <br /> Denver, CO. 80217-3400 <br /> REVIEW OF WORK PLAN FOR WELL ABANDONMENT AND RELOCATION,LEPRINO <br /> FOODS PLANT,2401 MACARTHUR DRIVE, TRACY, CALIFORNIA (SAN JOAQUIN <br /> COUNTY) <br /> I have reviewed the work plan dated 6 May 1999 that was prepared and submitted on your behalf by <br /> HSI GEOTRANS, Inc. The plan proposes to abandon the existing recovery wells RW-4 and RW-5,the <br /> extraction well EW-1, and the monitoring well MW-14. These wells are in the path of proposed new <br /> construction at your site and/or are no longer in use. <br /> The plan proposes to drill or pull the existing wells to a depth of 35 feet(RW-4 , RW-5, and EW-1) or <br /> 30 feet(MW-14) and to grout them up following ASTM specification D5299.. These are the wells' <br /> respective depths of record. Staff concurs with this procedure,with the note that if field observations <br /> indicate deeper depths,the wells should be drilled/pulled to their total depth. Logs of the abandonment <br /> activities,including amounts of materials used, should be kept and reported with the work report. <br /> The proposal to replace RW4, RW-5, and MW-14 with similarly constructed wells as close to the <br /> original locations as possible is acceptable. The proposal to drill the replacement wells without taking <br /> soil samples for analysis is also acceptable,based on expected proximity to areas already characterized. <br /> If a change in proposed locations or construction is necessary,please notify us. Staff understands and <br /> concurs that EW-1 will not be replaced. When recovery of product resumes using the new wells, please <br /> inform us. <br /> Please inform staff of both this agency and of San Joaquin County Environmental Health Division at <br /> least two working days in advance of scheduled activities. <br /> If you have AAany questions,please call me at(916) 255-3119. <br /> iWIGG , C.E.G. <br /> sociate Engineering Geologist <br /> cc: Ms Margaret Lagorio, SJCPHS/EHD, Stockton <br /> Mr. Brendan Shine,HSI GEOTRANS, Westminster, Co. <br /> California Environmental Protection Agency <br /> 0 Recycled Paper <br />