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PUBLICIEALTH ShR�iCES o¢QU�k• <br /> SAN JOAQUIN COUNTY .� <br /> ENVIRONMENTAL HEALTH DIVISIONJ. <br /> y ;f <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Healthl�Officer <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton; CA 95201-0388 o4;iFoa`'�P F <br /> f <br /> (209) 468-3420 <br /> MR SAYED ALI <br /> CALIFORNIA DEPARTMENT <br /> OF TRANSPORTATION DISTRICT 10 <br /> PO Box 2048 FEB 10 1994 <br />` STOCKTON CA 95202-2048 <br /> I <br /> t RE: California Department SITE CODE: 1018 <br /> of Transportation <br /> Shop 10 Facility <br /> 1603 S. "B" St. <br /> Stockton, CA <br /> u <br /> San Joaquin County Public Health Services,Environmental Health Division(PHS/EHD)has recently reviewed <br /> the Site Investigation of Caltrans-Shop 10 submitted by Environmental Assessors, Inc. and dated January 13, <br /> 1994. 'PHS/EHD has the following comments: <br /> -As stated in the comment letter from PHS/EHD addressed to Mr. Gordon Marts of Caltrans and <br /> dated 11117192: 1 <br /> :P <br /> -Pursuant to Section 2652 (d) of the Underground Storage Tankk Regulations (California Code of <br /> Regulations,Title 23, Chapter 16)a quarterly monitoring report shall be submitted to Public Health <br /> Services, Environmental Health Division and Central Valley Regional Water Quality Control Board <br /> (CVRWQCB) until the investigation and cleanup of the `site is deemed adequate. The report is to <br /> show the: <br /> -status of investigation and cleanup activities including the results for all investigations <br /> completed to date; <br /> -proposed continuing or next phase of investigation; <br /> -method of cleanup proposed or implemented, schedules for the completion of the <br /> investigation of the site and remediation; <br /> -method and location for disposal of the released hazardous substance and any contaminated <br /> soil, groundwater or surface water; <br /> -manifest required for transport of hazardous substances; <br /> b -monitoring well data including groundwater elevation, ph,conductivity, gradient; <br /> -analytical results for groundwater or soil sampling; and; <br /> -site map showing the "zero line" of contamination, if"own, and changes in the above <br /> measurements over the last quarter. <br /> -Since the monitoring wells were last sampled on October 22, 1993 sampling is currently due again. <br /> -PHS/EHD concurs with this report in that the vertical and lateral extent of soil and groundwater <br /> contamination have been adequately defined. The Preliminary Site Assessment phase of this <br /> investigation has been completed and the Remedial Investigation is underway. <br /> f ' <br /> A Nvision or San,lonquin Counly Health Care Services <br />