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PUBLIC HEALTH SERVICES Ouo ) <br /> SAN JOAQUIN COUNTY \\- ?o. ..c G <br /> r <br /> ENVIRONMENTAL HEALTH DIVISION m <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 95201-0388. <br /> 209/468-3420 \.i — V <br /> JAMES GIOTTONINI MAILED FEB 2 9199E <br /> PUBLIC WORKS DIRECTOR <br /> CITY OF STOCKTON <br /> 425 NORTH ELDORADO <br /> STOCKTON CA 95202 <br /> RE: 2500 Navy Drive (MUD) SITE CODE: 12031 <br /> Argonne and Picardy SITE CODE: 2591 <br /> 22 East Market (Police Station) SITE CODE: 1178 <br /> Fontana Drive at Smith Canal (MUD) SITE CODE: 1102 <br /> 110 West Sonora (Fire Station 2) SITE CODE: 1253 <br /> 1740 Houston (Van Buskirk Park) SITE CODE: 1146 <br /> A meeting was held on January 30, 1996 at the office of San Joaquin County Public Health <br /> Services, Environmental Health Division (PHS/EHD) and was attended by City of Stockton <br /> representatives (COS) Stephen Chen, Jim Escobar, and Bob Murdoch. The COS also was <br /> represented by K.D. Jones with Twinning and Tom Lutterman with Smith Environmental. PHS/EHD <br /> representatives Margaret Lagorio, Mary Meays, Steve Sasson and Linda Turkatte were present. The <br /> purpose of the meeting was to evaluate progress and to establish schedules for future work at the <br /> above noted sites. <br /> Discussion <br /> The recommendations of the Lawrence Livermore Report including: natural attenuation's <br /> effectiveness as a remedial alternative vs. active remedial alternatives, were evaluated with regard <br /> to City of Stockton's sites and site specific conditions. PHS/EHD indicated that soil contamination <br /> that does not pose a threat to groundwater has been left in place without active remediation and <br /> site closure granted. PHS/EHD stated that sites will continue to be evaluated with consideration to <br /> site specific characteristics. <br /> The issues regarding the fuel oxygenator, methyl tert butyl ether (MTBE), that were discussed <br /> included its health effects, mobility characteristics, and introduction by the petroleum industry. <br /> PHS/EHD stated that MTBE is currently classified as a suspected carcinogen, is highly mobile, and <br /> was introduced in gasoline in California during the late 1970's. PHS/EHD stated that all sites must <br /> undergo MTBE analysis utilizing EPA Method 8020 with EPA Method 8260 for confirmation. Once <br /> the presence of MTBE is confirmed, regular analysis utilizing EPA Method 8020 for BTEX can be <br /> used for quantification of MTBE. <br /> Analysis of constituents in addition to the BTEX and TPH-gas or diesel which are usually performed <br /> was suggested by PHS/EHD to further provide site specific information which can be used to <br /> evaluate environmental fate of detected contaminants. Examples of types of analysis include the <br /> WET, TCLP, dissolved oxygen, pH, inorganic electron acceptors, microbiological populations, <br /> heterotrophic petroleum utilizing bacteria. <br /> 2500 Navy Drive/MUD <br /> PHS/EHD indicated that the additional soil investigation which was suggested in COS <br /> A Division of San Joaquin County Health Care Services <br />