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MONITORING AND RESPONSE PLAN -ILC <br /> ARCO PRODUCTS COMPANY FACILITY WITH <br /> SECONDARY CO M UNDERGROUNDSTORAGETANK WITH <br /> IN LE LL PR D T <br /> `' �PXCa�rfl Irnmv`, I 0/(�inl rs to ( b <br /> LIQUID SYSTEM <br /> ARCO Facility ZM3 Address Ao <br /> 1���fnl (75a oa- <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 reservoir of each double wall tank or in a common reservoir for <br /> all tanks. Whenever a sensor detects the absence of a liquid or excess liquid (high/low limit <br /> switch), there is both a visual and audible alarm at the control panel. <br /> Automatic line leak detectors are installed on the single wall pressurized product piping. <br /> The line leak detector will detect a loss of pressure in the product lines and restrict the flow of <br /> 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 no less than once during <br /> each 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 />