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Fill EI V ED <br /> JAN 2 7 1992 <br /> ENVIRONMENTAL HEATH <br /> MONITORING AND RESPONSE PLAN - IIB PERMIT/SERVICES <br /> ARCO PRODUCTS COMPANY FACILITY WITH <br /> SECONDARY CONTAINMENT OF UNDERGROUND PRODUCT TANKS WITH <br /> ELECTRONIC MONITORS AND SECONDARY CONTAINMENT OF PRODUCT <br /> LINES WITHOUT ELECTRONIC MONITORS <br /> ARCO Facility `449 S Address 205 N. Center St. <br /> Stockton, CA 95202 <br /> This plan is designed to meet the monitoring and response requirements of Section 2634, Article 3, <br /> and Section 2643(d)(1) and (3), Article 3, Title 23, CCR. <br /> 1 . MONITORING EQUIPMENT <br /> Secondarily contained storage tanks and lines are monitored by a continuous electronic leak <br /> detection system which consists of an alarm panel, sensors and associated electronics. Liquid <br /> sensors are installed in the annular space of each double wall tank. Whenever a sensor detects <br /> the presence of a liquid there is both a visual and audible alarm at the control panel. <br /> Automatic line leak detectors are installed on the secondarily contained pressurized product <br /> piping. The line leak detector will detect a loss of pressure in the product lines and restrict <br /> the flow of product. <br /> An annual tightness test will be performed on the product lines. <br /> 2 . MAINTENANCE SCHEDULE OF MoNiTogING EQ IpMENT <br /> The continuous electronic leak detection system including line leak detectors will be inspected <br /> according to the manufacturer's instructions by an outside contractor once during each <br /> calendar year. <br /> 3 . ROUTINE MONITORING PROCEDURE <br /> On a daily basis the facility operator shall: <br /> A Inspect the control panel for visual and audible alarm signals to confirm that the unit <br /> is operating. <br /> B. Inspect island and tank fill areas for signs of spillage or petroleum sheen. <br /> G Record the inspection observations on the Daily Visual Monitoring Log (Form APPC- <br /> 765: attached.) <br />