Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 724 - STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES
Subpart BB - AIR EMISSION STANDARDS FOR EQUIPMENT LEAKS
Section 724.961 - Alternative Percentage Standard for Valves

Universal Citation: 35 IL Admin Code ยง 724.961

Current through Register Vol. 48, No. 38, September 20, 2024

a) An owner or operator subject to the requirements of Section 724.957 may elect to have all valves within a hazardous waste management unit comply with an alternative standard that allows no greater than two percent of the valves to leak.

b) The following requirements must be met if an owner or operator decides to comply with the alternative standard of allowing two percent of valves to leak:

1) A performance test as specified in subsection (c) must be conducted initially upon designation, annually and other times specified in the RCRA permit.

2) If a valve leak is detected it must be repaired in accordance with Section 724.957(d) and (e).

c) Performance tests must be conducted in the following manner:

1) All valves subject to the requirements in Section 724.957 within the hazardous waste management unit must be monitored within one week by the methods specified in Section 724.963(b).

2) If an instrument reading of 10,000 ppm or greater is measured, a leak is detected.

3) The leak percentage must be determined by dividing the number of valves subject to the requirements in Section 724.957 for which leaks are detected by the total number of valves subject to the requirements in Section 724.957 within the hazardous waste management unit.

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