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l <br /> D. Alternate construction for new underground storage tanks containing motor vehicles fuel [section 2633). <br /> f (1) Monitcring and response plan [Section 2634]. <br /> (2) Underground storage tank composed of.... <br /> f (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 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 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 /> r <br /> _ Extend to the ground surface and covered with a locked waterproof cap. <br /> Capable of meeting S.J. Co- PHS-EHD 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 <br /> Ii <br /> p (d) if liquid observed around or beneath primary tank, owner will determine if an unauthorized release <br /> has occurred. <br /> I <br /> B. Mechanical or electronic monitoring (Section 2632 (c) (2)7 <br /> C <br /> + (a) Continuous monitoring system connected to an audible and visual alarm system. <br /> Monitoring equipment to be installed <br /> Manufacturer: ENVIRON <br /> _ <br /> Model Number: 794;&' - �yZ <br /> i <br /> Sensor Type: Vapor X Liquid _ Both. <br /> I <br /> Sensor/Panel specifications--ATTACHED <br /> _ Location(s) for sensors: <br /> Tank: Interstitial Piping- In turbine sump <br /> Dispenser: In dispenser sump <br /> C. Monitoring and response plan submitted [Section 2632 (d) (1) <br /> 15. Any special accessories, fittings, coatings, or linings not inherent within the initial design of the 10 tank or <br /> double-wall UST. [Section 2631 (b)] <br /> A. Approved by a nationally recognized independent testing organization. <br /> Demonstration of integrity with the primary and/or secondary containment. <br /> 1 6 <br />