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PUBLIC EALTH `� <br /> SERVICES <br /> SAN JOAQUIN COUNTY <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 0 Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> LEWYN BOLER C (OPY <br /> PRODUCTION CHEMICAL MFG. INC. <br /> 1000 E CHANNEL STREET h <br /> STOCKTON CA 95205 A <br /> RE: Production Chemical SITE CODE: 231044 <br /> 1000 E. Channel Street <br /> Stockton, CA <br /> San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS/EHD) has reviewed a letter dated January 24, 1995, prepared by SEMCO for <br /> excavation of contaminated soil at the above referenced site at the time of the <br /> underground storage tank removal. <br /> The letter refers to soil samples collected by Del-Tech on July 29, 1993, which <br /> are not recognized by PHS/EHD. Please ensure that SEMCO has copies of the soil <br /> sample results from the work that Geological Audit Services conducted at the site <br /> on July 11, 1994. <br /> The number of soil samples to be analyzed is not discussed. Please be prepared <br /> to collect and have analyzed sufficient sidewall and bottom samples as necessary <br /> as determined by the PHS/EHD staff present at the time of the excavating <br /> activities. The soil samples are to be analyzed by a Department of Health <br /> Services certified laboratory for the particular method and detection limits <br /> specified in the Tri-Regional Board Staff Recommendations Table 2 (enclosed) for <br /> BTEX and TPH as gasoline, kerosene and diesel. <br /> It is anticipated that the amount of excavation required will be minimal. Please <br /> be advised that unless the resultant report will be signed by a properly licensed <br /> professional the amount of excavation will be limited by PHS/EHD staff. <br /> If you have any questions contact Margaret Lagorio at (209) 468-3449. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Margar Lagorio, Lead Senior REHS DianeM. inson, REHS <br /> Site Mitigation Unit Supervisor <br /> ML <br /> Enc. <br /> C: SEMCO <br /> A Dkision of San Joaquin County Health Care Service% <br />