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P.O. Box 576981 <br /> M.J. Kloberdanz & Associates Modesto, California 95357-6981 <br /> 'Environmental Services Phone: (209) 577-8186 <br /> o Fax: (209) 577-8158 <br /> . APR 02 2003 <br /> March 26, 2003 <br /> Jeff Wong, REHS <br /> E <br /> San Joaquin CountyENVIRONMENT HEALTH <br /> Environmental Health Division PERMIT/SERVICES <br /> P.O. Box 2009 <br /> Stockton, California 95201 <br /> f RE: Well Destruction: MUSD Ag.Shop, 2901 E. Louise Avenue, Manteca, California <br /> On March 25, 2003 the three groundwater monitoring wells at the above referenced site <br /> were destroyed according to Sari Joaquin County Environmental Health permit <br /> �guicieiiiies-`We used thelicens�drilliiig company (C57=-1249�� &W=lsiling"` ;7rc. to" W T <br /> I" pressure grout the wells MW-I,MW-2 and MW-3: <br /> A pipe was inserted in each of the 2-inch diameter by 30-foot deep wells in order <br /> to displace the water. Neat cement was pumped into the well casing until it <br /> I` overflowed at the top. <br /> The top of each well was then caped and pressurized with air forcing the mixture <br /> i` into the sanilpack-that'surrounds the well casing perforations. Additional cement <br /> was.addd&until-the well casings were full. Approximately 30 gallons of cement <br /> mixture, or 4 cubic feet, was used for each monitoring well. <br /> The traffic boxes were removed and the well casing left below grade and covered <br /> with soil. <br /> M.J. Kloberdanz &Associates supervised the work. <br /> k Drill cuttings have been stored at the north end of the shop building in 55 gallon drums. <br /> Since all soil samples collected during the installation of the monitoring wells were free <br /> -of.petroleum"compounds this' soil-can=-be--dispbsdd of on–site.—M:J.­Klonerdanz- & ' --- -- <br /> Associates recommends using it as top soil to fill ruts in the nearby dirt roads. <br /> If you have any questions please do not hesitate to call. <br />} Sincerely, <br /> Michael J.Kloberdanz, REA,'REHSt <br /> M.J. Kiaberdanz& Associates" '-c <br /> E <br /> cc: MUSD <br />