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3-26-1997 9:S4AM FRO* P• 7 <br /> D. Alternate construction for new underground storage tanks containing motor vehicles fuel (section 26331. <br /> (1) Monitoring and retoonse pian {section 26341. <br /> (2) Underground storage tank composed of.... <br /> (a) Fibergtass reinforced plastic. <br /> (b) Cathodicalty protected steel. <br /> - (c) Stee( 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 sL.mp of the secondary contairment System with <br /> backfill in the interstitial space. The access casing shall meet all of the following: <br /> Designed and installed to attow the liquid to flow into the casing. <br /> Sized to allow removal of cotleeted 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. PNS-ENO 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)J <br /> (a) Exterior surface and floor beneath tank monitored by direct viewing <br /> (b) Osily visual inspections <br /> (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 /> Mechanical or electronic monitoring [Section 2632 (c) (2)3 <br /> (a) Continuous monitoring system connected to an audible and visual alarm System. <br /> Monitoring equipment to be installed <br /> Ma-rrfacturer: V tF eq--- o-MW� <br /> _ Model Number: TL S ard� <br /> Sensor Type: _ Vapor 4&Liquid _ Both. <br /> Sensor/Panel Specifications. <br /> Locatiog) ors: <br /> Tank: rFAf JV R/ -C�iping: f <br /> Dispenser- <br /> Monitoring and response plan submitted (Section 2632 (d) Cl) & (2)1- <br /> 15. Any special aCCtSsorf*S, fittings, coatings, or linings not inherent within the initial design of the 14 tank or <br /> double-watt UST. {section 2631 (b); <br /> A. Approved by a nationally recognized independent testing organization. <br /> 8. Demonstration of integrity with the primary and/or secondary Contai"nt- <br />