Section NR 664.1062 - Alternative standards for valves in gas or vapor service or in light liquid service: skip period leak detection and repair(1)(a) An owner or operator subject to s. NR 664.1057 may elect for all valves within a hazardous waste management unit to comply with one of the alternative work practices specified in sub. (2) (b) and (c).(b) An owner or operator shall notify the department before implementing one of the alternative work practices.(2)(a) An owner or operator shall comply with the requirements for valves in s. NR 664.1057, except as described in pars. (b) and (c).(b) After 2 consecutive quarterly leak detection periods with the percentage of valves leaking equal to or less than 2%, an owner or operator may begin to skip one of the quarterly leak detection periods (i.e., monitor for leaks once every 6 months) for the valves subject to s. NR 664.1057.(c) After 5 consecutive quarterly leak detection periods with the percentage of valves leaking equal to or less than 2%, an owner or operator may begin to skip 3 of the quarterly leak detection periods (i.e., monitor for leaks once every year) for the valves subject to s. NR 664.1057.(d) If the percentage of valves leaking is greater than 2%, the owner or operator shall monitor monthly in compliance with s. NR 664.1057, but may again elect to use this section after meeting s. NR 664.1057(3) (a).Wis. Admin. Code Department of Natural Resources NR 664.1062
CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06.