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03/01/2004 12 25 2094683433 FIFTH FLOOR PAGE 02 <br /> 24' ENVIRONMENTAL 'HEALTH-DEPARTMENT° SAN JOAQUIN COUNTY <br /> �4 Donna K.Reran,R1&.IR.5 Untt.S'upervuors <br /> Director 304 East Weber Avenue,Third Floor Carl>Borgmao,R.E H s <br /> • AI Olsen,R.E.H S. Stockton, California 95202-2708 Mike Huggins,RE H 5,R D I <br /> o`vCrFOgN` Program Alanager Telephone (209} �($-34 0 Douglas W Wllsoil,KEjq S <br /> Laurie A.Coturla,R,E ILS Margaret Lagono,R E If S <br /> Program Manager Fax (209)464.0138 Robert McCldlon,R E H S <br /> Mark Barcellos,R E U S <br /> ROBERT J COCHRAN <br /> CHEVRON ENVI R MGMT COMPANY FILE COPY <br /> PO BOX 6004 <br /> SAN RAMON CA 94583-0904 Q <br /> ESE- Chevron Bulk Terminal #1001621- UST Site Code RO#1471 <br /> 22888 S Kasson Rd <br /> Banta, CA <br /> WORKPLAN: "Work Plan for Site Assessment Activities' <br /> DATED: August 23, 2003 <br /> PREPARED BY: Secor International — Greg McIver <br /> STATUS: APPROVED with conditions noted below <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN Mealt>h & <br /> SafeN Code (H&S) Section 25299.37L 3 <br /> • Install two soil borings (hand augers) to 10' bgs for lateral soil and <br /> groundwater samples for petroleum and <br /> • Install two, first groundwater monitoring wells onsite with 10-feet of slotted <br /> screen interval (5' to 15' bgs), collect and analyze selected soil samples, and <br /> • Develop, quarterly sample, and survey-in new wells and, <br /> • Submit report of findings to EHD, <br /> COMMENTS AND CONDITIONS: <br /> • Adequate number of soil samples are to be collected and analyzed to <br /> support conclusions of vertical delineation and/or migration and, <br /> • All groundwater and selected soil samples are to be additionally analyzed <br /> for 1,2-DCA, and EDB by EPA Method 8260B and LUFT lead by EPA <br /> Method SW846 6010E and, <br /> • Report of findings should be formatted as a Site Conceptual Model <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN fH&S Section <br /> 25299.371c)(3)1. none - <br /> DATED; August 28, 2003 B �6 <br /> Michael Info S. (209) 468-3454 <br /> C. CVRWQCB -- James L. Barton, Sacramento. <br /> c: SWRCB — CUF— Mark Owens, Sacramento <br /> c: Secor—Greg McIver, 3017 Kilgore Rd, #100, Rancho Cordova, 95670, <br /> M faxed to consultant on 8-28-03 <br />