Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 664 - Hazardous Waste Treatment, Storage And Disposal Facility Standards
Subchapter BB - Air Emission Standards for Equipment Leaks
Section NR 664.1054 - Standards: pressure relief devices in gas or vapor service
Universal Citation: WI Admin Code ยง NR 664.1054
Current through August 26, 2024
(1) Except during pressure releases, operate each pressure relief device in gas or vapor service with no detectable emissions, as indicated by an instrument reading of less than 500 ppm above background, measured by the method specified in s. NR 664.1063(3).
(2)
(a)
After each pressure release, return the pressure relief device to a condition
of no detectable emissions, as indicated by an instrument reading of less than
500 ppm above background, as soon as practicable, but no later than 5 calendar
days after each pressure release, except as provided in s.
NR 664.1059.
(b) No later than 5 calendar days after the
pressure release, monitor the pressure relief device to confirm the condition
of no detectable emissions, as indicated by an instrument reading of less than
500 ppm above background, measured by the method specified in s.
NR 664.1063(3).
(3) Any pressure relief device that is equipped with a closed-vent system capable of capturing and transporting leakage from the pressure relief device to a control device described in s. NR 664.1060 is exempt from subs. (1) and (2).
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