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San Joaquin County DIRECTOR <br /> Donna Heran,RENS <br /> Environmental. Health Department <br /> o? .c p ASSISTANT DIRECTOR <br /> � o <br /> 600 East Main Street Laurie Cotulla, REHS <br /> Stockton California 95202-3029 <br /> PROGRAM COORDINATORS <br />` •' Carl Borgman, REHS <br /> i --;-pMike Huggins,REHS,RDI <br /> ` - Website 'www.sjgov.org/ehd <br /> 9C f F p'�� Mar garet Lagorio,REHS <br /> Phone: (209)468-3420 Robert McClellon,REHS <br /> Fax: (209) 464-0138 Jeff carruesco,REHS,RDI <br /> Kasey Foley, RENS <br /> JUL 17 2007 <br /> DONALD SINCLAIR SHIRLEY THOMPSON <br /> 3780 LINNE ROAD 1239 ADAMS STREET <br /> TRACY CA 95376 TRACY CA 95376 <br /> RE: Sinclair Trucking SITE CODE: 1916 <br /> 3780 Linne Road <br /> Tracy CA 95376 <br /> San Joaquin County Environmental.Health Department (SJCIEHD) has reviewed Work <br /> Plan - Well Abandonment dated July 9, 2007,submitted on your behalf by Geological <br /> I Technics Inc. (GTI) and.has the following comments. <br /> The Work Plan proposes the destruction of all six'groundwater monitoring.wells <br /> I associated with the above.referenced site. All well boxes and concrete aprons will be <br /> removed prior to destruction. Two of the wells, MWA R and MW-4 will be overdrilled to <br /> total depth by hollow stem auger drilling and backfilled from the bottom up with neat <br /> .cement grout, applied with a tremmie pipe. The remaining wells,:MW-2,. MW-3,. MW-5 <br /> and.MW-101 will be.pressure,grouted per the Sari Joaquin County well standards, as <br /> outlined in.the work plan. The steel conductor casing in MWA 01 will be.cut with.a torch <br /> to 2.5 feet below grade prior to.setting the mushroom cap. <br /> SJCIEHD:approves the work plan. Please proceed with submittal of an SJCIEHD well <br /> destruction permit application, required $60.00 permit fee and $285.00.permit inspection <br /> fee (submitted prior to August 1, 2007; after that date the inspection fee will be $294.00) <br /> and with scheduling the approved.work. <br /> If you.have.any questions please call Lori Duncan at (209) 468-0337. <br /> I . <br /> Donna.Heran, REHS, Director <br /> Environmental Health Department <br /> r <br />'I �ti ��.w`c of►� <br /> i Lori Duncan, Senior REHS Margarm Lagorio, REHS <br /> 4 .LOP/Site Mitigation Unit IV Program Coordinator_Unit IV <br /> cc James Barton, CVRWQCB <br /> Eric Price, GTI <br />} <br /> S <br /> i <br />