Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 661 - Hazardous Waste Identification And Listing
Subchapter BB - Air Emission Standards for Equipment Leaks
Section NR 661.1061 - Alternative standards for valves in gas/vapor service or in light liquid service: percentage of valves allowed to leak

Universal Citation: WI Admin Code § NR 661.1061

Current through August 26, 2024

(1) A remanufacturer or other person that stores or treats hazardous secondary material subject to the requirements specified in s. NR 661.1057 may elect to have all valves within a hazardous secondary material management unit comply with an alternative standard that allows no greater than 2 percent of the valves to leak.

(2) The following requirements shall be met if a remanufacturer or other person that stores or treats the hazardous secondary material decides to comply with the alternative standard of allowing 2 percent of valves to leak:

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

(b) If a valve leak is detected, it shall be repaired in accordance with s. NR 661.1057(4) and (5).

(3) Performance tests shall be conducted in the following manner:

(a) All valves subject to the requirements specified in s. NR 661.1057 within the hazardous secondary material management unit shall be monitored within one week by the methods specified in s. NR 661.1063(2).

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

(c) The leak percentage shall be determined by dividing the number of valves subject to the requirements specified in s. NR 661.1057 for which leaks are detected by the total number of valves subject to the requirements specified in s. NR 661.1057 within the hazardous secondary material management unit.

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