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PUBLIC �IEALTH SER�CES <br /> OPp.0 i!y.•C <br /> SAN JOAQUIN COUNTY <br /> 2. <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Offices �4 •`•. <br /> 304 E. Weber Ave., Third Floor • P. O. Box 388 9 Stockton, CA 2018 <br /> 209/468-3420 <br /> MAILED NOV 0 81995 <br /> DOUG SCHNEEBERGER <br /> WESTERN REFRIG/COLD STORAGE <br /> 2001 N W 107TH AVE <br /> MIAMI FL 33172 <br /> RE: Tracy Cold Storage SITE CODE: 505329 <br /> 24500 S. MacArthur <br /> Tracy, CA <br /> San Joaquin County Public Health Services, Environmental Health 4Division <br /> (PHS/EHD) has reviewed the "Quarterly Report" dated September 22, 1995, prepared <br /> by American Geological Services, Inc. for the above referenced site. <br /> Groundwater sample results from MW6 are low and PHS/EHD considers it to be on the <br /> edge of the groundwater contaminant plume in this direction. In correspondence <br /> on October 2, 1995, PHS/EHD approved of the locations of the additional proposed <br /> two shallow and one deep monitoring wells. . <br /> According to the Corrective Action Requirements, California Code of Regulations <br /> Title 23, Division 3, Chapter 16, Article 11, a feasibility study that evaluates <br /> at least two alternatives for remediating the contamination at the site must be <br /> included in the Corrective Action Plan. The alternatives must be evaluated for <br /> cost-effectiveness and the most cost-effective alternative should be implemented. <br /> In order to evaluate the alternatives of vapor extraction and air sparging that <br /> have been effective in other sites in San Joaquin County, test wells must`, be <br /> installed. PHS/EHD recommends that these type of wells be installed at the same <br /> time that the proposed additional monitoring wells are installed to save <br /> additional mobilization costs. <br /> To include installation of these wells in the next phase of work, please submit <br /> an addendum to the September 8, 1995, work plan. . <br /> If you have any questions contact. Margaret Lagorio at (209) 468-3449. <br /> Donna Heran, RENS, Director <br /> Environmental Health Division <br /> Z�gare Lagorio, Lead Senior REHS Diane M. .Hinson, REHS <br /> Site Mitigation Unit Supervisor <br /> ML <br /> c: CVRWQCB - Beth Thayer . <br /> c: American Geological Services, Inc. <br /> A`Division of.San Joaquin County Health Care Services <br />