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E <br />11 <br />MGM .9 0 <br />(Section 66262.34) <br />If an external liner, is the secondl.A <br />containment: (66265.193(e)(l)-] I <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-co� and <br />infiltration from a 25 -year, 24-hour rainfall <br />event? <br />(C) Free of cracks and gaps? <br />(D) Designed and installed to surround the tank <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) <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 ream 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 />