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PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> rA: - <br /> JOGI KHANNA M.D.,M.P. .. = <br /> Health Officer <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) • Stodaon, CaUfomia 95201 <br /> Cot i F O**�`P <br /> (209) 468-3400 <br /> �J <br /> JOHN DIECKMAN, EXECUTOR <br /> MD AND MRN TRUSTS <br /> 500 AIRPORT BLVD STE 200 FEB 0 ' 199-3 <br /> BURLINOAME CA 94010 <br /> RE: System 99 SITE CODE: 1275 <br /> 601 South Ventura <br /> Stockton CA 95203 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has completed <br /> review of the "Fourth Quarter Monitoring Report" dated January 14, 1993 and prepared by RESNA. <br /> PHS/EHD has the following comments for your consideration. <br /> Sample results from the fourth quarter sampling event, D be 8, 1992, indicated continued evidence of <br /> groundwater contamination in the area of monitoring well, PHS/EHD granted in correspondence <br /> dated July 7, 1992, a reduction in the sampling frequency of 2 and MW3 from semi-annual to annual. <br /> The last sampling of these wells occurred on March 5, 1992. Therefore, first quarter sampling and analysis <br /> should include all monitoring wells, MW1 - MW4. Please schedule a sampling inspection by <br /> March S, 1993. <br /> The results of first quarter monitoring should be included in the Problem Assessment Report due <br /> April 30, 1993. <br /> If you have any questions or comments, please contact Mary Meays, REHS, of my staff at (209) 468-0337. <br /> Jogi hanna, M P.H. <br /> :Healt�h Offs <br /> t <br /> Laurie A. Cotulla, REHS, Program Manager <br /> nvironrnental Health Division <br /> LAC/MM:LB <br /> c: Elizabeth Thayer, CVRWQCB <br /> c: John Lane, RESNA <br /> A Division of San Joaquin County Health f Services <br />