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two, <br /> San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> ? _�� •� Donna Heran, RENS <br /> 1868 East Hazelton Avenue <br /> Stockton, California 95205-6232 PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> Jeff Carruesco, REHS,RDI <br /> c '' . •�`P Website: www.sjgov Linda org/ehd Foley, RENS <br /> �<<FOR Linda Turkatte,RENS <br /> Phone: (209) 468-3420 Rodney Estrada, REHS <br /> Fax: (209) 464-0138 Adrienne Ellsaesser, REHS <br /> June 5, 2014 <br /> CEMEX Lone Star Aggregates PTP <br /> Mr. Bruce H. Eppler, PG 1501 Belvedere Road <br /> 5180 Golden Foothill Parkway, Suite 200 West Palm Beach, Florida 33406 <br /> EI Dorado Hills, California 95762-9608 <br /> Subject: CEMEX Tracy Facility (Former RMC Lone Star Kerlinger Aggregate Plant) <br /> 30350 South Tracy Blvd. <br /> Tracy, California 95376 <br /> The San Joaquin County Environmental Health Department (EHD) has received and reviewed <br /> Work Plan for Decommissioning Monitoring Well MW-4 (work plan), dated 8 May 2014, <br /> prepared and submitted by your consulting firm, SOMA Environmental Engineering, Inc. <br /> (SOMA), on your behalf for the above-referenced site. By letter dated 2 April 2014, the EHD <br /> had directed that MW-4 be destroyed since the well had been severely compromised and can <br /> not be sampled. <br /> In the work plan, SOMA proposes to decommission MW-4 by over drilling the well to total <br /> depth of approximately 140 feet below surface grade. SOMA proposes to use a tremie pipe to <br /> grout the borehole using Type 1/II cement grout. <br /> The EHD approves the work plan as submitted and is extending the date to complete the well <br /> destruction from 29 May to 30 July 2014. Please submit an EHD Well and Boring Permit <br /> Application form, Licensed Contractor's Declaration (LCD) form, Master File Record (MFR) <br /> form, and permit/inspection fees of$500.00 to destroy MW-4. <br /> Please contact Vicki McCartney at (209) 468-9852 or by email at vmccartney(a)_sicehd.com if <br /> you have any questions regarding this letter. <br /> Sincerely, <br /> Victoria L. McCartney, REHS Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: Mr. Mansour Sepehr, PhD, PE, SOMA Environmental Engineering, Inc., 6620 Owens <br /> Drive Suite A, Pleasanton, California 94588 <br /> Ms. Cori Condon, PG, CHg, California Regional Water Quality Control Board Central <br /> Valley Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, California 95670 <br />