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PUBLIC t1EALTH SERWES *4ur1Y <br /> '�`�c�� <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION ;. <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer4., <br /> C!F p'yi <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388 <br /> (209) 468-3420 C: (Dr <br /> MD <br /> BRUCE MC CANDLESS <br /> RIPON FARM SERVICE <br /> PO Box 806 J U L 0 7 1994 <br /> RIPON CA 95366 <br /> RE: Ripon Farm Service Site Code: 1605 <br /> 22871 South Highway 99 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has completed <br /> review of the "Monitoring Well Installation and Sampling" report dated June 23, 1994 and prepared by <br /> Geological Audit Services. PHS/EHD has the following comments for your consideration. <br /> The report included the results of soil samples collected during the April 27, 1994 and April 28, 1994 <br /> drilling of MWl - MW3,B4, B6, B7 and B8 and groundwater samples collected on May 6, 1994. <br /> Groundwater and soil contamination were evidenced. <br /> The report included a recommendation to install additional groundwater monitoring wells to define the <br /> extent of groundwater contamination. PHS/EHD concurs that additional wells will be necessary, <br /> additionally, further soil investigation will be necessary to define the extent of soil contamination. <br /> Quarterly monitoring of the existing wells should be scheduled by August 8, 1994. A work plan should be <br /> submitted by September 19, 1994 with the resultant quarterly report which includes a proposal to further <br /> investigate the extent of soil and groundwater contamination. <br /> Please include dates of analysis on tables summarizing analytical data as well as the detection/reporting <br /> limits for historical reference. <br /> If you have any questions, please contact Mary Meays at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Mary Meays, Senior REHS Diane M. Hinson, REHS <br /> Site Mitigation Unit Supervisor <br /> MM/22871HWY <br /> c: Elizabeth Thayer, CVRWQCB <br /> c: Bob Marty, Geological Audit <br /> A Di%ision of San Joaquin Citunty Health Care Services <br />