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06/17/1998 17:38 209-825-4251 B/W INN OF MANTECA <br /> PAGE 07 <br /> o. • • <br /> Alternate construction for new underground storage tanks rontai ning motor vehicles fuel (Section 2633]. <br /> -- (1) Monitoring and response plan [Section 26343. <br /> (2) Underground storage tank composed of.... <br /> (a) Fiberglass reinforced plastic- <br /> ,_ (b) Cathodically protected steel. <br /> — (c) Steel clod with fiberglass reinforced plastic. <br /> (d) Dther material that complies with section 2631 and 2632. <br /> — (3) Floor of task 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 snip 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 materiel. <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. PWS-END well Standards. <br /> Leak interception and detection system shall prevent the looked hazardous substance from <br /> entering ground water. <br /> iG. 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 timet 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)] <br /> (a) Continuous monitoring system connected to an audible and views( alarm system. <br /> Monitoring equipaant to be installed <br /> Manufacturer- <br /> _ <br /> Rod*( Mtober: <br /> Sensor Type: Vapor _ Liquid _ Both. <br /> Sensor/Panel specifications. <br /> ._ Location(s) for sensors: <br /> Tank: Piping- <br /> Dispenser; <br /> C. Monitoring and response plan submitted (Section 2632 (d) (1) 6 (2)1. <br /> 15. Any special accessories, fittings, coatings, or linings rot iMerent 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 and/or secondary containment. <br /> 6 <br /> JUN-17-1998 17:21 209 e25 4251 96% P.07 <br />