Section 292.24 - Responsibility of local governmental units; hazardous waste(1) DEFINITION. In this section, "local governmental unit" has the meaning given in s. 292.11 (9) (e) 1(2) EXEMPTION FROM LIABILITY. Except as provided in sub. (3), a local governmental unit is exempt from ss. 291.25 (1) to (5), 291.29 and 291.37, and rules promulgated under those provisions, with respect to the existence of a hazardous waste discharge on property acquired in a way or for a purpose described in s. 292.11 (9) (e) 1m, if all of the following occur at any time before or after the date of acquisition:(a) An environmental investigation of the property is conducted that is approved by the department and that identifies any hazardous waste discharges that occurred on the property.(b) The hazardous waste discharges identified by the investigation under par. (a) are cleaned up by restoring the environment to the extent practicable with respect to the discharges and minimizing the harmful effects from the discharges in accordance with rules promulgated by the department and any contract entered into under those rules.(c) The local governmental unit obtains an approval from the department stating that the property has been satisfactorily restored to the extent practicable with respect to the hazardous waste discharges and that the harmful effects from the discharges have been minimized.(d) The local governmental unit maintains and monitors the property as required under rules promulgated by the department and any contract entered into under those rules.(e) The local governmental unit does not engage in activities that are inconsistent with the maintenance of the property.(f) The local governmental unit has not obtained the certification under par. (c) by fraud or misrepresentation, by the knowing failure to disclose material information or under circumstances in which the local governmental unit knew or should have known about more discharges of hazardous waste than were revealed by the investigation conducted under par. (a).(g) The local governmental unit did not cause the discharge of any hazardous waste identified on the property.(3) APPLICABILITY. Subsection (2) does not apply to any of the following:(a) A hazardous waste treatment, storage or disposal facility that first begins operation after the date on which the local governmental unit acquired the property.(b) A licensed hazardous waste treatment, storage or disposal facility operated on the property before the date on which the local governmental unit acquired the property and that is operated after the date on which the local governmental unit acquired the property.(c) Any hazardous waste disposal facility that has been issued a license under s. 144.441 (2), 1995 stats., or s. 289.41 (1m), or rules promulgated under those sections, for a period of long-term care following closure of the facility.