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MONITORING AND RESPONSE PLAN - II <br /> ARCO PRODUCTS COMPANY FACILITY WITH <br /> SECONDARY CONTAINMENT OF UNDERGROUND STORAGE TANKS WITH <br /> SINGLE WALL PRODUCT LINES <br /> ARCO Facility Address - 85 ma. _ <br /> LA-1-4+;-2oP 11 (14 <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 4, Title 23, CCR. <br /> 1 MONITORING EQUIPMENT <br /> Secondarily contained storage tanks 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 /> Uro of the presence of a liquid there is both a visual and audible alarm at the control panel. <br /> S/ Automatic line leak detectors are installed on the single wall pressurized product piping. <br /> 4p/�p The line leak detector will detect a loss of pressure in the product lines and restrict the flow of <br /> Q product. <br /> An annual tightness test will be performed on the product lines. <br /> 2 . MAINTENANCE SCHEDULE OF MONITORING EQUIPMENT <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 /> Q 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 /> C. Record the inspection observations on the Daily Visual Monitoring Log (Form APPC- <br /> 765: attached.) <br />