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PUBLIC'-IEALTH SERVICES u,4...N <br /> SAN JOAQUIN COUNTY <br /> r <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388 CtgCl p app <br /> (209) 468-3420 <br /> BRETT LARSON COO FED) <br /> UNION ICE LIMITED <br /> 6100 EAST SHEILA STREET <br /> LOS ANGELES CA 90040 FEB 1 -3 1995 <br /> Re: Union Ice Site Code: 241434 <br /> 425 North Union <br /> Stockton CA 95205 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has completed <br /> review of the "Soil and Groundwater Investigation Report" dated December 20, 1994 and prepared by <br /> ICF Kaiser. PHS/EHD has the following comments for your consideration. <br /> The report included the results of the October 1994 soil and groundwater investigation. Residual soil <br /> contamination was evidenced during the installation and drilling of MW5, VB01 and SB01. <br /> Groundwater contamination was detected initially in the sample collected on October 18, 1994; <br /> however, none was detected in the sample collected on November 18, 1994. <br /> PHS/EHD requested in correspondence dated July 6, 1994, that the volume of residual soil <br /> contamination be estimated. The volume was not sufficiently estimated for PHS/EHD to evaluate the <br /> residual soil contamination. Once the volume is estimated, the potential threat to groundwater should <br /> be evaluated. <br /> Please note that Table 1 should be corrected to reflect the concentration of toluene which was <br /> detected and reported by the laboratory in the sample collected during the installation of MW5. <br /> PHS/EHD concurs that additional groundwater sampling is warranted to verify that groundwater has <br /> not been impacted by the residual soil contamination. Also, please submit a soil sampling plan to <br /> evaluate any residual soil contamination which may exist in the stockpiled soil located at 1320 West <br /> Weber. <br /> If you have any questions or comments, please contact Mary Meays at (209) 468-0337. <br /> Donna Heran, REHS Director <br /> Environmental Health Division <br /> �� lYAk <br /> Mary Meays, Senior REHS Diane M. Hinson, REHS <br /> Site Mitigation Unit Supervisor <br /> MM/425UNION/D <br /> cc: Elizabeth Thayer, CVRWQCB cc: Dennis Green, Esq. <br /> cc: Lee Hansen, Arctic Ice cc: John Farr, ICF Kaiser <br /> cc: Jeff Lawson, Esq. <br /> A Division al'San.hatpin CounlN Health Care Service~ <br />