Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 725 - INTERIM STATUS STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES
Subpart BB - AIR EMISSION STANDARDS FOR EQUIPMENT LEAKS
Section 725.961 - Percent Leakage Alternative for Valves
Universal Citation: 35 IL Admin Code ยง 725.961
Current through Register Vol. 48, No. 38, September 20, 2024
a) An owner or operator subject to the requirements of Section 725.957 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 as specified by the Agency pursuant to Section
725.950(e);
and
2) If a valve leak is detected
it must be repaired in accordance with Section
725.957(d)
and (e).
c) Performance tests must be conducted in the following manner:
1) All valves subject to
the requirements in Section
725.957
within the hazardous waste management unit must be monitored within 1 week by
the methods specified in Section
725.963(b);
2) If an instrument reading of 10,000 ppm or
greater is measured, a leak is detected; and
3) The leak percentage must be determined by
dividing the number of valves subject to the requirements in Section
725.957
for which leaks are detected by the total number of valves subject to the
requirements in Section
725.957
within the hazardous waste management unit.
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