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Yes No Comment <br /> 90 Day Accumulation in Tanks (cont,) <br /> (Section 66262.34) <br /> If an external liner, is the secondary <br /> containment: [66265.193(e) (1)-J <br /> (A) Designed and operated to contain 100% of the <br /> capacity of the lamest tank within its boundary? _ <br /> (B) Designed and operated to prevent run-on and <br /> infiltration of precipitation unless it has <br /> excess capacity to contain run-on and <br /> infiltration fraL a 25-year, 24-hour rainfall <br /> event? <br /> (C) Free of cracks and gaps? <br /> (D) Designed and installed to surround the tank a <br /> and to cover all surrounding earth likely to come <br /> into contact with the waste if released from the <br /> tank? <br /> If a vault system, is the secondary containment: <br /> [66265.193(e) (2)-) <br /> (A) Designed and operated to contain 100% of the <br /> capacity of the largest tank within its boundary? <br /> (B) Designed and operated to prevent run-on and <br /> infiltration of precipitation unless it has <br /> excess capacity to contain run-on and <br /> infiltration from a 25-year, 24-hour rainfall <br /> event? <br /> (C) Constructed with chemical resistant water <br /> stops at any joints? <br /> (D) Provided with an impermeable interior <br /> coating or lining that is compatible with waste <br /> in tank(s) and that will prevent migration of <br /> waste into the concrete? <br /> (E) Provided with means to protect against the <br /> formation of and ignition of vapors within the <br /> vault if the waste is ignitable (per 66261.21) <br /> or reactive (per 66261.23) and may form an <br /> ignitable or explosive vapor? <br /> (F) Provided with an exterior moisture barrier <br /> or otherwise designed or operated to prevent <br /> migration of moisture into the vault if subject <br /> to hydraulic pressure? <br /> Revised 7/15/91 page 15 <br />