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D. Alternate construction for new underground storage tanks containing 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) Cathodically 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 leek interception and detection system constructed on a firm base and sloped to <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 space. 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 allow removal of collected liquid and able to withstand all anticipated applied <br />stresses. <br />Constructed of material 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 Locked waterproof cap. <br />Capable of meeting S.J. Co. PHS -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)7 <br />(a) Exterior surface and floor beneath tank monitored by direct viewing <br />(b) Daily visual inspections <br />w4M (c) Liquid level in tank to be recorded at time of inspection <br />(d) If liquid observed around or beneath primary tank, owner will determine if an unauthorized release <br />has occurred, <br />B. Mechanical or electronic monitoring [Section 2632 (c) (2)7 <br />(a) Continuous monitoring system connected to an audible and visual alarm system. <br />Monitoring equipment to be installed <br />Manufacturer: 0-. <br />✓ Model Number: T L$ 3 j U <br />Sensor Type: Vapor Y, Liquid Both. <br />Sensor/Panel specifications. <br />_ Location(s) for sensors: <br />Tank: 2NTno V—GA(,1 Piping: .Su.ujv-�. <br />Dispenser: <br />C. Monitoring and response plan submitted [Section 2632 (d) (1) & (2)7. <br />15. 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)7 <br />A. Approved by a nationally recognized independent testing organization. <br />B. Demonstration of integrity with the primary and/or secondary containment. <br />%j <br />