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r <br /> San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> ..o <br /> 2: � 2 600 East'Main Street Donna Heron, RHs . <br /> Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> I_LiSL1 Robert McCleAon, REHS <br /> r r•• <br /> Jeff Carruesco,RENS, RD[ <br /> Website: www.sjgov.org/ehd Kasey Foley, REHS <br /> Phone: (209) 468-3420 <br /> Fax: (209)464-0138 <br /> November 1, 2010 <br /> Denis Brown <br /> Shell Oil Products <br /> 20945 South Wilmington <br /> Carson, CA 90810-1039 <br /> Subject: Shell Service Station <br /> 2375 Grant Line Road <br /> Tracy, CA 95376 <br /> WORK PLAN: Well Destruction Work Plan APPROVED: [X]-with conditions <br /> DATED: October 25, 2010 DISAPPROVED: [ ] <br /> PREPARED BY-. Conestoga-Rovers & Associates <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25296.10(c)(3)]: <br /> 1 Destruction of nine groundwater monitoring wells per San Joaquin County well standards. <br /> COMMENTS AND CONDITIONS: I <br /> 1. Per San Joaquin County well standards, any wells in areas of known contamination must be <br /> destroyed by overdrilling and removing all contents of the original borehole, followed by sealing <br /> with grout applied via tremmie pipe. At this site wells MW-1, MW-2, MW-5 and MW-10 have <br /> reported concentrations of petroleum hydrocarbon contamination above acceptable maximum <br /> contaminant levels (mcl), and therefore must be destroyed by overdrilling. <br /> 2. Wells MW-3, MW-4, MW-6, MW-7 and MW-1 may be destroyed by pressure grouting as <br /> outlined in the Work Plan. <br /> 3. Please proceed with submittal of San Joaquin County Environmental Health Department <br /> (EHD) well permit applications, fees and access agreements and with scheduling the work. <br /> 4. Forty-eight hours notification to the EHD is required prior to all site fieldwork. <br /> Lori Duncan, REHS <br /> Senior Registered Environmental Health Specialist <br /> c: James Barton, CVRWQCB, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670 <br /> Joe Neely, CRA, 19449 Riverside Drive, #230, Sonoma, CA 95476 <br />