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 664.1061 - Alternative standards for valves in gas or vapor service or in light liquid service: percentage of valves allowed to leak

Universal Citation: WI Admin Code § NR 664.1061

Current through August 26, 2024

(1) An owner or operator subject to s. NR 664.1057 may elect to have all valves within a hazardous waste management unit comply with an alternative standard that allows no greater than 2% of the valves to leak.

(2) An owner or operator who decides to comply with the alternative standard of allowing 2% of valves to leak shall meet all of the following requirements:

(a) Conduct a performance test as specified in sub. (3) initially upon designation, annually and at other times requested by the department.

(b) If a valve leak is detected, repair it according to s. NR 664.1057(4) and (5).

(3) Conduct performance tests according to all of the following:

(a) Monitor all valves subject to s. NR 664.1057, within the hazardous waste management unit, within one week by the methods specified in s. NR 664.1063(2).

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

(c) Determine the leak percentage by dividing the number of valves subject to s. NR 664.1057 for which leaks are detected, by the total number of valves subject to s. NR 664.1057 within the hazardous waste management unit.

(4) An owner or operator who decides to no longer comply with this section, shall notify the department in writing that the owner or operator will follow the work practice standard described in s. NR 664.1057(1) to (5).

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