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San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> �o.•_��.CO Donna Heran, REHS <br /> 1868 East Hazelton Avenue <br /> PROGRAM COORDINATORS <br /> Stockton, California 95205-6232 <br /> Robert McClellon, REHS <br /> • — -- — — Jeff Carruesco, REHS,RDI <br /> l <br /> Foe <br /> c4<<Fa.R�•P Website: www.sjgov.org/ehd Kasey y' REHS <br /> Phone: (209) 468-3420 Linda Turkatte, REHS <br /> Fax: (209) 464-0138 <br /> CEMEX <br /> 5180 Golden Foothill Parkway, Suite 200 <br /> EI Dorado Hills, CA 95762 <br /> Subject: Former RMC Lone Star Kerlinger Aggr. Plant LOP Site Code: 1737 <br /> 30350 S Tracy Blvd. <br /> Tracy, CA 95376 <br /> WORK PLAN: Data Gap Investigation and Proposed Further Assessment <br /> DATED: July 20, 2012 <br /> PREPARED BY: SOMA Environmental Engineering, Inc. <br /> APPROVED: [X] <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25296.10 (c)(3)].- <br /> 1. <br /> c)(3)]:1. To advance 4 DPT borings to approximately 15 feet bgs in on-site Area 2, near <br /> completed boring DP-3, to define the lateral limits of soil contamination. As a <br /> contingency, additional step-out borings have been proposed and maybe required if <br /> contamination limits are not define by the initial 4 DPT borings. <br /> 2. To perform the DPT utilizing a continuous soil sampling technique selecting discrete <br /> samples every 4 feet for chemical analysis. <br /> 3. To analyze samples by a State of California Certified Lab for: TPH-g, TPH-d, and BTEX. <br /> 4. To plug and destroy the borings after completion from total depth to surface with a neat <br /> cement grout. <br /> 5. To prepare and submit a report of findings to the EHD, the CVRWQCB and <br /> GeoTracker. <br /> COMMENTS AND CONDITIONS: <br /> 1. An EHD permit application and a $500.00 fee must be submitted by Nov. 15, 2012, and <br /> the scope of work completed by February 1, 2013. <br /> 2. A report of finding including conclusions and recommendations must be submitted to the <br /> EHD, the CVRWQCB, and GeoTracker by April 1, 2013. <br /> DATED q/�7���� BY <br /> Harlin Knoll, Senior REHS (209) 468-3442 <br /> Cc: SOMA, 6620 Owens Drive, Suite A, Pleasanton, CA 94588-3334 <br />