SITE INFORMATION AND CORRESPONDENCE_FILE 2

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PUBLIC I EALTH SERVICES OAQutN A SAN JOAQUIN COUNTY ENVIRONMENTAL HEALTH DIVISION Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer •.. P 445 N. San Joaquin Street 0 P.O. Box 388 • Stockton, CA 95201-0388 (209) 468-3420 D JAMES GIOTTONINI PUBLIC WORKS DIRECTOR CITY OF STOCKTON 425 NORTH EL DORADO GOT 061994 STOCKTON CA 95202 RE: 22 East Market (Police Station) SITE CODE: 1178 Fontana Drive at Smith Canal (MUD) SITE CODE: 1102 110 West Sonora (Fire Station 2) SITE CODE: 1253 1740 Houston (Van Buskirk Park) SITE CODE: 1146 1211 Swain Road (Fire Station 11) SITE CODE: 2404 Argonne and Picardy SITE CODE: 2591 2500 Navy SITE CODE: 1203 A meeting was held on September 13, 1994 at the office of San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) and was attended by City of Stockton representatives (COS) James Giottonini, Jim Escobar, and Stephen Chen, PHS/EHD representatives Margaret Lagorio, Linda Turkatte, Mary Meays, and Steve Sasson and RESNA representative John Lane. The purpose of the meeting was to evaluate progress and to establish schedules for future work at the above noted sites. The COS requested that PHS/EHD continue to send reminder letters for the scheduled meetings. 22 East Market - The disposition of the remainder of the stockpiled soil at the COS Corporation Yard from the 1992 excavation was discussed. A summary letter will be submitted by the COS describing the final disposition. PHS/EHD staff indicated that there was no contamination observed during the movement of the soil. The evaluation of the potential threat to groundwater from the residual soil contamination beneath the sidewalk and building was also discussed. RESNA indicated that fate and transport modeling using the SESOIL model was being considered. PHS/EHD mentioned that the EPA V-leach model has been used to evaluate contaminant transport in soil to groundwater. RESNA will evaluate several different models and PHS/EHD requested that RESNA submit for review a description of the selected model and parameters prior to running the model. PHS/EHD also indicated that an evaluation of the efficiency and cost effectiveness of at least two remedial methods must be submitted in addition to the environmental fate analysis, as part of the corrective action plan, pursuant to the California Code of Regulations. The COS agreed to submit within 30 days either information on the selected model or, if needed, a request for an extension in order to obtain fundingapproval from the City Council. Fontana Drive at Smith Canal RESNA stated that the specifications for the proposed over-excavation work would be submitted to the COS next week and depending on the proposed costs, the COS will either issue a purchase order or A 1)iAision of San.Joatluin Counts Health Care tiervice.