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PUBLIC% - EALTH SERTICES a ,N <br /> SAN JOAQUIN COUNTY <br /> r.� <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 E. Weber Ave., Third Floor • P. O. Box 388 • Stockton, CA 95201438g� ` °4riFaai;�P <br /> 209/468-3420 1 <br /> Tonya D. Lee OCT 2 8 1996 <br /> AIGC Consultants, Inc. <br /> 2005 Market Street, Suite 2800 <br /> Philadelphia PA 19103 <br /> RE: American Forest Products Site Code: 1882 <br /> 2801 West Lane, Stockton CA <br /> Rather than answer each of the questions in your October 22, 1996 fax, regarding the above <br /> referenced site, I will describe the current management policy which our agency, San Joaquin County <br /> Public Health Services Environmental Health Division (PHS/EHD), has adopted towards the American <br /> Forest Products site. <br /> PHS/EHD has agreed to a five year post remedial monitoring program to allow verification of three <br /> assumptions which were used to rationalize a no action remedial alternative by Dames and Moore. <br /> The three assumptions are that groundwater will remain at a depth of 70 feet bgs, that diesel will not <br /> impact groundwater, and natural attenuation of the residual diesel in soil is occurring. If all of these <br /> conditions are confirmed in 2001, PHS/EHD will request concurrence for a no further action status from <br /> the Central Valley Regional Water Quality Control Board (CVRWQCB). <br /> CVRWQCB can issue concurrence or they can request additional reporting, investigation, or <br /> remediation. If the property owner disagrees with the CVRWQCB decision an appeal may be filed with <br /> the State Water Resources Control Board (SWRCB). The CVRWQCB contact is Elizabeth Thayer and <br /> her telephone number is (916) 255- 3133. <br /> PHS/EHD has determined that the waste oil tank was not a source of the PCE/TCE plume because <br /> there were no detections of this solvent in soil beneath the former waste oil tank during the recent <br /> investigation. <br /> The Lawrence Livermore National Lab (LLNL) report makes a case for natural attenuation based on <br /> benzene plumes. You may be able to obtain a copy of the LLNL report from the SWRCB. <br /> I hope this answers the majority of your questions and will allow you to make a decision. <br /> Donna Heran, REHS, Director <br /> Enviro mental Health Division <br /> Steven 4, eZrr RE Margar�agorio, REHS <br /> Site Mitigation Unit Supervisor <br /> SS <br /> c: Elizabeth Thayer, CVRWQCB <br /> c: John Menke, Dames and Moore <br /> c: Bernie Sloop, American Moulding and Millworks <br /> C., Saul Fox, Kohlberg, Kravitz and Roberts <br /> A Division of San Joaquin County Health Care Services <br />