Ill. Admin. Code tit. 35, § 721.962 - Alternative Standards for Valves in Gas/Vapor Service or in Light Liquid Service: Skip Period Leak Detection and Repair
a) A remanufacturer or other person that
stores or treats the hazardous secondary material subject to the requirements
of Section 721.957 may elect for all valves within a hazardous secondary
material management unit to comply with one of the alternative work practices
specified in subsections (b)(2) and (b)(3).
b) Reduced Monitoring.
1) A remanufacturer or other person that
stores or treats the hazardous secondary material must comply with the
requirements for valves, as described in Section 721.957, except as described
in subsections (b)(2) and (b)(3).
2) After two consecutive quarterly leak
detection periods with the percentage of valves leaking equal to or less than
two percent, a remanufacturer or other person that stores or treats the
hazardous secondary material may begin to skip one of the quarterly leak
detection periods (i.e., monitor for leaks once every six months) for the
valves subject to the requirements in Section 721.957.
3) After five consecutive quarterly leak
detection periods with the percentage of valves leaking equal to or less than
two percent, a remanufacturer or other person that stores or treats the
hazardous secondary material may begin to skip three of the quarterly leak
detection periods (i.e., monitor for leaks once every year) for the valves
subject to the requirements in Section 721.957.
4) If the percentage of valves leaking is
greater than two percent, the remanufacturer or other person that stores or
treats the hazardous secondary material must monitor monthly in compliance with
the requirements in Section 721.957, but may again elect to use this Section
after meeting the requirements of Section 721.957(c)(1).
Notes
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