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04/13/2000 10:30 2094683433 FIFTH FLOOR PAGE 07 <br />D. Alternate constrL..ion for new underground storage tanks conta,..,ng motor vehicles fuel (Section 26331. <br />(1) Monitoring and response plan [Section 26341, <br />(2) Underground storage tank composed of_._. <br />(a) Fiberglass reinforced plastic. <br />(b) Cathadically protected steel. <br />(c) Steel clad with fiberglass reinforced plastic. <br />(d) other material that complies with section 2631 and 2632. <br />(3) Floor of leak interception and detection system constructed on a firm base and sloped to a <br />collection sump (use of membrane liners comply with section 2631 (d) (6) requirements.) <br />(4) Access casings installed in the collection sump of the secondary containment system with <br />backfill in the interstitial spats. The access casing shall meet all of the following: <br />Designed and installed to allow the liquid to flow into the casing. <br />Sized to aLiow removal of collected liquid and able to withstand all anticipated applied <br />stresses_ <br />Constructed of maierial that will not be structurally weakened. <br />screened along entire vertical zone of permeable material. <br />Capable of preventing leakage of any hazardous substance from the casing. <br />Extend to the ground surface and covered with a locktd waterproof cap. <br />Capable of meeting S.J. Co. PNS -END well Standards. <br />_ Leak interception and detection system shall prevent the leaked hazardous substance from <br />entering ground water. <br />14. INTERSTITIAL SPACE MONITORING <br />A. visual monitoring [section 2632 (c) (1)) <br />(a) Exterior surface and floor beneath tank monitored by direct viewing <br />(b) Daily visual inspections <br />(c) Liquid Level in tank to be recorded at time of inspection Tl - 5 - 350 <br />(d) if liquid observed around or beneath primary tank, owner vitt determine if an unauthorized release <br />has occurred. <br />B, Mechanical or eLectranic monitoring [Section 2632 (c) (2)] <br />(a) Continuous monitoring system connected to an audible and visual alarm system. <br />Monitoring equipment to cep installed <br />V ,j <br />_ <br />manufacturer: /}�i 0611- '0'1 <br />Mode L Number.- <br />Sensor <br />umber:Sensor Type: _ Vapor liquid _ Both. <br />�^ Sensor/PareL specifications. <br />Loeation(s) for nsors: <br />Tank- Piping:. <br />Dispenser: <br />C. Monitoring and response plan submitted (Section 2632 (d) (1) & (2)). <br />5, Any special accessories, fittings, coatings, or Linings not inherent within the initial design of the 1° tank or <br />double-wall UST. [Section 2631 (b)) <br />A. Approved by a nationally recognized independent testing organization. <br />B. Demonstration of integrity with the primary andfor secondary containment. <br />2 <br />