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� a A <br /> San Joaquin County DIRECTOR <br /> Pp U ' N Environmental Health Department Donna Her an, RENS <br /> p <br /> �+ ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla, REHS <br /> " 2X Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Carl Bergman, REHS <br /> ��P • Website: www. sjgov. org/ehd Mike Huggins, REHS, RDI <br /> / FOR Margaret Lagorio, REHS <br /> Phone: (209) 468-3420 Robert McClellon, REHS <br /> Fax: (209) 464-0138 Jeff Carruesco, REHS, RDI <br /> NASHEEM KHAN Kasey Foley, REHS <br /> 5925 TERMINAL <br /> APT . 1 <br /> RIVERBANK CA 95367 <br /> AVTAR SOHAL <br /> 819 NEW HALL CT <br /> STOCKTON CA 95210 <br /> RE: QUICK & SAVE <br /> 1901 SOUTH EL DORADO, STOCKTON CA 95206 <br /> WORKPLAN: Additional Site Assessment Workplan <br /> DATED: February 9. 2007 <br /> PREPARED BY: Advanced GeoEnviromnental Inc. (AGE) <br /> APPROVED (with conditions. See below) <br /> ADDENDUM X Submit by : October 1 2007 <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN (H&S <br /> 25296.10,subd. (c) (3) .): <br /> 1 . Advancement of six soil borings to collect of soil and groundwater samples to further define <br /> the vertical and lateral extent of impacted ground water. <br /> COMMENTS AND CONDITIONS: <br /> 1 . Initial grab water samples should be collected from the coarse grained unit commonly <br /> occurring at approximately 40 feet bgs, locally at 35 feet. <br /> 2. Soil samples should be collected to confine the lithology from which ground water samples <br /> are collected. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN (H&S 25296.10 subd. (C) (3).): <br /> 1 . As discussed by telephone with Advanced GeoEnvironmental (AGE) on June 1, 2007, it <br /> was agreed that the proposed shallow soil borings (30 to 40 feet deep) and groundwater <br /> samples from fine-grained soil are not likely to be adequate to define vertical extent of <br /> contamination. Deeper borings on-site should be advanced to complete the vertical <br /> investigation. Submit a workplan addendum for deeper groundwater characterization on-site <br /> by October 1 , 2007. Also, installation of additional ground water monitoring wells toward <br /> the east may be needed. <br /> DATED It awl� BYE(�Lai*, <br /> c: CRWQCB, Central Valley Region —James L.L. Barton, PG <br /> c: Advanced GeoEnvironmental, Inc. — Donna Sexton <br /> C: Mohammad S. and Wafa Matar <br />