Section NR 664.1055 - Standards: sampling connection systems(1) Equip each sampling connection system with a closed-purge, closed-loop or closed-vent system. The system shall collect the sample purge for return to the process or for routing to the appropriate treatment system. Gases displaced during filling of the sample container are not required to be collected or captured.(2) Each closed-purge, closed-loop or closed-vent system required in sub. (1) shall meet one of the following requirements: (a) It returns the purged process fluid directly to the process line.(b) It collects and recycles the purged process fluid.(c) It is designed and operated to capture and transport all the purged process fluid to a waste management unit that complies with the applicable requirements of ss. NR 664.1084 to 664.1086 or a control device that complies with s. NR 664.1060.(3) In-situ sampling systems and sampling systems without purges are exempt from subs. (1) and (2). Wis. Admin. Code Department of Natural Resources NR 664.1055
CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06.