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ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JUAQUIN.COUNTY <br /> _� , F2 Unit Supervisors <br /> Q ! y Donna K.Heran,R.E.H.S. <br /> �, :< <br /> Director 3'04 East Weber Avenue, Third Floor Carl Borgman,R.E.H.S' <br /> Mike Huggins,R.E.H.S.,R.D.I. <br /> Al Olsen,R.E.H.S. Stockton, California :95202-2708 Douglas W.Wilson,R.E.H.S. <br /> c4:- �P Program ManagerTelephone: {209)`468-3420 Margaret Lagorio,R.E.H.S. <br /> tl FOR Laurie A.Cotulla,R.E.H.S. l <br /> Robert McClellon,R.E.1l S. <br /> Program Manager i Fax: (209) 464-0138 <br /> ',; Mark Barcellos,R.E.H.S. <br /> AL VIGIL <br /> i <br /> SAN JOAQUIN CATHOLIC CEMETERY, <br /> P O BOX 1137 <br /> STOCKTON CA 95205 <br /> 4 <br /> �3 <br /> 'i <br /> RE: San Joaquin Catholic Cemetery, Stockton Site Code: 1582 <br /> G <br /> WORK PLAN: Ground Water Batch Extraction <br /> DATED: June 20,2003 <br />' ? PREPARED BY:Ramage Environmental" j <br /> APPROVED: <br /> DISAPPROVED: <br /> ADDENDUM NEEDED: Submit bvibv <br /> El <br /> ADEQUATE AND NECESSARY ELEMENT QF-THE WORK PLAN[H&S 25299.37 (c)(3)]: <br /> 1. High and increasing concentrations of MTBE and 1,2-DCA are reaching downgradient MW-5 and 1IW-7 I <br /> I outside the treated source azea.176'reduce'ihese concentrations, EHD and CVRWQCB directed <br /> additional cleanup before the site-can be consider for closure."'EHD approves the WP recommending <br /> monthly ground water batch"'rem6val from?M%V-5 and MW-7,for a six months. <br /> 2. Surrounding TNIWs will be moriitoied(depth to water measurement taken) during batch extraction periods ' <br /> to determine the radius of infl4n;ce.caused by pumping. This information will be used to modify future <br /> ground water removal rates"and"amounts from NiNV-5 and Nita-7. <br /> 3. During periods of batch extraction,ground water samples will be collected from MAV-5 and MW-7 to <br /> estimate the contaminant mass being removed: The removed,water will be handled appropriately and <br /> Ef. recycled at an approved facilitp.:The removal mass will be reported to EHD and CVRWQCB for review. <br /> After six months of monthly'batch'removal,the process will be evaluated for long term feasibility. <br /> 4. Quarterly ground water sampling and reporting must continue until site closure is granted. <br /> COMMENTS AND CONDITIONS: <br /> EHD must be notified of ground water removal activities`and inspections scheduled. <br /> All reports must be submitted to EHD and CVRWQCB for review and comment. I <br /> _4h <br /> DATED /1 rb�a3 BY <br /> ' R R <br /> Harlin Knoll,Senior REHS{202)468-3442 <br /> " is <br /> '. 9 <br />