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PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> December 1, 1999 FILE COPY. <br /> Equilon LLC <br /> Attn: Tim Hargaves <br /> P.O. Box 8080 <br /> Martinez, CA 94553 <br /> RE: UST system at 440 Charter Way, Stockton, CA <br /> In order to meet the 1998 upgrade requirements the following general items, <br /> additional to any other State required upgrade requirements found in Article 6 <br /> title 23, must be provided in order to obtain approval from the EHD to keep the <br /> existing single wall tank system. <br /> �. A special inspector will be required to provide a determination on any single <br /> wall tank, for cathotic protection and for the structural soundness of the <br /> tanks. The EHD representative must be onsite and observe all inspections of <br /> the tank system made by a special inspector. Specific requirements of the <br /> inspection will be outlined by the EHD depending on the type and age of the <br /> tank to be upgraded. (CCR title 23 section 2660 (K)) <br /> 2. Tanks that are single wall fiberglass, steel, or steel clad must have a site <br /> assessment prior to approval of the plan for upgrading. (CCR title 23 section <br /> 2660 (1)) Assessments are made after application to the EHD Site Mitigation <br /> Unit. You may contact Margaret Lagorio, Supervising REHS at 209-468- <br /> 3449 for further information on applications for site assessments. <br /> 3. If the site is found to be contaminated, no further action will be permitted until <br /> a cleanup plan is approved. If tanks are approved to be left in place on a <br /> contaminated site by the EHD, a monitoring system must be installed which <br /> meets the requirements of the Health and Safety code section 25296 (c). <br /> Any continuation of contamination or increase noted in a monitoring well <br /> system will result in the requirement that tanks be replaced with double <br /> contained tank systems. <br /> 4. Single wall pressurized lines cannot be left in place unless they were put in <br /> under a permit from the EHD. If these lines were not installed under permit <br /> and inspection, the lines must be verified to have been properly installed by <br /> uncovering and inspection of the lines by a special inspector and this <br /> inspection observed by EHD staff. Sampling of the line area will also be <br /> required in order to determined if any unauthorized release has occurred. <br /> A Division of San Joaquin County Health Care Services <br />