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PUBLIC----HEALTH SERVICES <br /> SAN JOAQUIN COUNTY =: Z <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 • Stockton, CA 95201-0388 4�%FORS <br /> (209) 468-3420 <br /> MR SAIYED ALI <br /> CALTRANS DISTRICT 10 <br /> 1976 E CHARTER WAY FEB 1019 <br /> P O BOX 2042 <br /> 94 <br /> STOCKTON CA 95201 <br /> RE: Caltrans Maintenance Station SITE CODE: 10193 <br /> 1604 S.B. St. <br /> Stockton, Ca. <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has reviewed the"Sampling at <br /> Stockton Yard" report submitted by Environmental Assessors and dated Jan. 14, 1994. PHS/EHD has the following <br /> comments: <br /> -Pursuant to Section 2652(d) of the Underground Storage Tank Regulations (California Code of Regulations, <br /> Title 23,Chapter 16)a quarterly monitoring report shall be submitted to Public Health Services,Environmental <br /> Health Division and Central Valley Regional Water Quality Control Board(CVRWQCB)until the investigation <br /> and cleanup of the site is deemed adequate. The report is to show the: <br /> -status of investigation and cleanup activities including the results of all investigations completed to <br /> date; <br /> -proposed continuing or next phase of investigation; <br /> -method of cleanup proposed or implemented,schedules for the completion of the investigation of the <br /> site and remediation; <br /> -method and location of disposal of the released hazardous substance and any contaminated soil, <br /> groundwater or surface water; <br /> -manifest required for transport of hazardous substances; <br /> -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 known, and changes in the above <br /> measurements over the last quarter. <br /> -Additional monitoring wells and/or borings should be installed to define the lateral and vertical extent of soil <br /> and groundwater contamination. A workplan for this aspect of investigation should be submitted to this office <br /> by April 1, 1994. A permit application and a$89 fee for installation of additional monitoring wells should be <br /> submitted to PHS/EHD with the workplan. <br /> If there are any questions, please contact Michael Collins, RENS, at 209-468-0338. /- <br /> Ernest M. Fujimoto, M.D., M.P.H. <br /> Acting Health Officer <br /> Diane M. Hinson, Supervising R.E.H.S. <br /> Environmental Health Division <br /> DMH/MC <br /> c: CVRWQCB c: Environmental Assessors, Inc. <br /> A Division of San,loaquin County Health Care Services <br />