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03/01/2004 12:25 2094683433 FIFTH FLOOR PAGE 02 <br /> ENVIRONMENTAL HEA-LT14"DEPARTMEN <br /> SAW JOAQUIN COUN'� Y <br /> Unir Supervisors <br /> Donna K Iicran,R>✓.1�.5. <br /> 304 East Weber Avenue, <br /> Director Third Floor Carl Borgman,R.E,H.S. <br /> Al Olsen,RE H.S. Stockton, California 95202-2708 Mike Huggins,R.E.H.S., P,-D.1,Program Manager Douglas W.Wilson,RE.H.S. <br /> ro• <br /> °clk� Telephone: (209)468-3420 <br /> Laurie A.Cotulla,RE.>iT.S. Margaret I.agorio,R.E.Ii.S. <br /> Program Manager Fax: (209)464-0138 Robert Mccicllon,R.E.H.S. <br /> Mark Harrcilos,R.E.H,S, <br /> ROBERT J COCHRAN <br /> CHEVRON ENVIR MGMT COMPANY FILE COPY <br /> PO BOX 6004 <br /> SAN RAMON CA 94583-0904 <br /> f� <br /> RE: 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 Health & <br /> Safely Code (H&S) Section 25299.37(p)(3)1: <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 82606 and LUFT lead by EPA <br /> Method SW846 6010E and, <br /> Deport of findings should be formatted as a Site Conceptual Model. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN [H&S Section <br /> 25299.37(e)(3)1: none. <br /> DATED: August 28 2003 13 <br /> Michael In S. (209)46$-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 /> 1 [X] faxed to consultant on: 8-28-03 <br />