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PUBLIC ' iEALTH SERVICES <br /> SAN JOAQUIN COUNTY o <br /> L' <br /> ENVIRONMENTAL HEALTH DIVISION q <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer J. <br /> 304 E. Weber Ave., Third Floor • P. O. Box 388 • Stockton, CA 95201-0388 °q<;Faaa`" <br /> 209/468-3420 C <br /> FRANK COEHLO <br /> C & B EQUIPMENT MAILED . JUN 04199E <br /> t <br /> 7474 W ELEVENTH <br /> TRACY CA 95376 <br /> RE: C & B EQUIPMENT SITE CODE: 1564 <br /> 7474 W ELEVENTH <br /> TRACY CA 95376 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has <br /> recently reviewed the Monitoring Well Installation and Groundwater Monitoring Report submitted <br /> to this office by Geological Techniques Inc. (GT) and is providing the following comments. <br /> li <br /> Fuel (Petroleum) Hydrocarbon Constituent (FHC) contaminants have been confirmed at this site <br /> in soil and groundwater as a result of the preliminary site assessment. PHS/EHD concurs with <br /> GT recommendations and is directing you to submit a work plan to further investigate the <br /> extent of contamination at this site by July 15, 1996. <br /> The scope and extent of future assessments at this site should consider health, ecological and <br /> preferential pathway risks with an emphasis on contaminant fate and transport while attempting <br /> to define the extent of soil and groundwater FHC distribution. PHS/EHD will require a <br /> comprehensive well/receptor survey to be performed. This well survey must include sampling l <br /> the on-site domestic well to determine the total depth, depth to water, construction, condition, <br /> current and future use, and contaminant load (FHC's, and FHC supplements) if any. This <br /> information is necessary due the close proximity of the well to the former underground tank <br /> location and confirmed FHC presence in water samples from monitoring well number two (MW- <br /> 2) located less than 30 feet North of the existing domestic well. <br /> Should you have any questions please contact Ronald Rowe, Senior REHS, at (209) 468-0342. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> 1 <br /> Ronald Rowe, Senior REHS Margaret agorio, REHS <br /> Site Mitigation Unit Lead Senior <br /> cc: Geological Techniques Inc. - Tim McDonald <br /> A Division of San Joaquin County Health Care.Services <br />