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PUBLIC HEALTH SERVICES <br />SAN JOAQUIN COUNTY <br />ENVIRONMENTAL HEALTH DIVISION <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 <br />TO: INSTALLERS AND OWNERS OF NEW UNDERGROUND STORAGE TANKS <br />San Joaquin County Public Health Services -Environmental Health Division (PHS-EHD) has established the following guidelines <br />to assist you in the completion of your construction project. The guidelines specify the construction and monitoring criteria <br />necessary to complete our review of your proposed underground storage tank (UST) system. <br />1. SUBMITTAL OF PLANS <br />INSTALLATION: <br />a. Submit 3 complete sets of drawings illustrating the locations of all existing and proposed <br />structures, including existing UST(s), in non -erasable print to PHS-EHD. Upon approval, <br />one set will be retained by PHS-EHD and the other two will be returned. <br />b. Include equipment and material specification sheets and manufacturer's brochures describing <br />field testing procedures, operating and monitoring systems and listing numbers or other <br />evidence of a nationally recognized testing organization approval. All proposed leak <br />detection methods and equipment must meet the requirements specified in 40 CFR 280.40 <br />and have been reviewed by the State Water Resources Control Board Staff. <br />C. All interstitial monitors must perform according to manufacturer's standards, and must be <br />tested annually in accordance with section 2630 (d), California Code of Regulations (CCR), <br />Title 23 Waters, Division 3, Chapter 16. <br />d. Include a detailed monitoring and response plan in accordance with section 2632 (d) (1) & <br />(2), CCR, Title 23 Waters, Division 3, Chapter 16. <br />e. The plans should include a cross sectional diagram of the tank and piping system including <br />secondary containment, overflow protection equipment, and extension of all pipes and/or <br />ports from below grade to finish grade. <br />f. Submit a completed "PHS-EHD Service Request" form and the State Water Resources <br />Control Board "Facility Permit (A)" and "Tank Permit (B)" application forms. <br />SITE MITIGATION: <br />a. In the event contamination is observed, confirmed or suspected as a result of a leaking UST <br />system it is the responsibility of the owner or operator to submit a workplan to PHS-EHD <br />Site Mitigation Unit prior to initiating any assessment or remediation activities. To minimize <br />delays, a Corrective Action Plan may be submitted concurrent with tank closure or <br />installation plans. Address one copy of the Corrective Action Plan to the Site Mitigation <br />Unit for review. For further assistance contact the Site Mitigation Unit at (209) 468-3450. <br />A Division of San joaquin County Health Care Sen ices <br />