Wis. Stat. 895.483(2)
Liability: Local Emergency Response Team
An individual, who is trained as a hazardous materials specialist, and the local emergency response team to which the individual belongs will not be held legally responsible for acting or for failing to act under contract during emergency level B releases in Wisconsin.
Civil liability exemption; regional and local emergency response teams and their sponsoring agencies
(2) A local emergency response team, a member of such a team and the county, city, village, or town that contracts to provide the emergency response team to the county are immune from civil liability for acts or omissions related to carrying out responsibilities pursuant to a designation under s. 323.61 (2m) (e).