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ENVIRONMENTAL HEALTH�IDEPARTMENT <br /> ENVIRO _ <br /> SAN JOAQUIN COUNTY <br /> Unit Supervisors <br /> Donna K.Heran,RE.H.S. 304 East Weber Avenue, Third Floor Carl Borgman,R.E.H.S. <br /> a. Director Mike Huggins,R.E.H.S.,R.D.I. <br /> . g Al Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> �p• Program Manager Telephone: (209)468-3420 Margaret Lagorio,R.E.H.S. <br /> q�iFORLaurie A.Cotulla,RE.H.S. Fax: (209)464-0138 <br /> i� Robert McClellon,R.E.H.S. <br /> Program Manager Mark Barcellos,R.E.H.S. <br /> MAR 2 6 2004 <br /> JOHN DAVIS JOHN MCDOWELL <br /> MCDOWELL & DAVIS TOWING RUSSEL FRANK TRUST <br /> 1360 ESCALON AVE 2066 COLEY AVE <br /> ESCALON CA 95320 ESCALON CA 95320 <br /> RE: McDowell&Davis Towing Site Code: #1486 <br /> 1360 Escalon Ave. <br /> Escalon CA 95320 <br /> WORK PLAN: Will Destruedon <br /> DATED: March 23,2004 <br /> PRRPARED BY: MJ Kloberdanz&Associates <br /> APPROVED: ri <br /> i�ISAPPROVEDN: <br /> ADDENDUM EEDED• Submit by-. <br /> ApEQUATE AND NECESSARY EI EMENTS OF THE WQRK PLAN [H&S 25299.37,subd(c)(3)]: <br /> 1.Destruction of three onsite groundwater monitoring wells by pressure grouting. <br /> 2.The borehole around the top of the well casings will be opened to one foot diameter larger than the original borehole <br /> to a depth of 3 feet below surface grade;the well casing will be cut to 2'/2 feet below surface grade;neat cement grout <br /> will be applied through a tremmie pipe to the bottom of the well casing,and,after pressuring,will be allowed to spill <br /> over the top of the well casing to form a`mushroom cap'. <br /> COZypMNTS AND CONDITIONS: <br /> 1.The wells will be destroyed per the San Joaquin County Well Standards. <br /> 2. SanJoaquin County permit#37346 has been issued to the C-57 licensed driller to perforin the work. <br /> Lori Duncan,Senior REHS <br /> LOP/Site Mitigation Unit IV <br /> cc: Jim Barton,CVRWQCB <br /> Mike Kloberdanz,MJK(faxed) <br />