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MONITORING AND RESPONSE PLAN - I <br /> ARCO PRODUCTS COMPANY FACILITY WITH <br /> SECONDARY CONTAINMENT OF UNDERGROUND STORAGE TANKS & <br /> PRODUCT LINES <br /> ARCO Facility !2-4(c9 Address 130 1 LO i 1,56 r-) (klw _ <br /> This plan is designed to meet the monitoring and response requirements of Section 2634, Article 3, <br /> Title 23, CCR. <br /> 1 . MONITORING EQUIPMENT <br /> Secondarily contained storage tanks and lines at this facility are monitored by a continuous <br /> electronic leak detection system which consists of an alarm panel, sensors and associated <br /> electronics. Liquid sensors are installed in the annular space of each double wall tank and <br /> product line piping sump. Whenever a sensor detects the presence of a liquid there is both a <br /> 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 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 /> 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 /> C. Record the inspection observations on the Daily Visual Monitoring Log (Form APPC- <br /> 765: attached.) <br />