455H.508 Participant protection. A participant shall not be subject to either a civil enforcement action by an agency of this state or a political subdivision of this state, or an action filed pursuant to section 455B.112 regarding any release, response action, or condition which is the subject of the response action. This protection is contingent on the participant proceeding on a due and timely basis to carry out the response action. 97 Acts, ch 127, §32
Iowa Legal Code