Wisconsin Administrative Code
Department of Natural Resources
NR 100-199 - Environmental Protection General
Chapter NR 159 - Management Of Class B Firefighting Foam
Section NR 159.04 - Prohibition and exemptions
Current through August 26, 2024
(1) Except as provided under sub. (2), no person may use or otherwise discharge, including for training purposes, a class B firefighting foam that contains intentionally added PFAS.
(2) All of the following actions are exempt from the prohibition under sub. (1):
Note: Under s. 299.48(3) (b), Stats., appropriate containment, treatment, and disposal or storage measures may not include flushing, draining, or otherwise discharging foam into a storm or sanitary sewer.
A person responsible under s. 292.11(3), Stats., for discharges of PFAS to the environment shall follow the applicable requirements in chs. NR 700 to 754 for response action sites.