(b) Require an investigation of the extent of residual contamination and the performance of any necessary remedial action if a building or other structural impediment is removed that had prevented a complete investigation or remedial action at the site.

(c) Impose limitations or other conditions related to property, in accordance with rules promulgated by the department, to ensure that conditions at the site remain protective of public health, safety, and welfare and the environment, and, as applicable, to promote economic development.

(3) Database. (a) The department shall maintain a database listing sites for which remedial action has been approved or a case closure letter has been issued and that have residual contamination and listing sites for which the department has directed that action be taken under s. 292.11 (9) (e) 4. The department shall make the database available to the public. The department shall include any requirements, limitations, or conditions imposed under sub. (2) (a) to (c) in the database, subject to modification under sub. (6), and shall include any action that the department has directed to be taken under s. 292.11 (9) (e) 4.

(b) 1. If residual contamination remains on a site after the conclusion of remedial action at the site, the agency with administrative authority shall request the department to list the site, and any requirements, limitations, or conditions imposed under sub. (2) (a) to (c), in the database maintained by the department under par. (a) and, as a condition of approving remedial action or of issuing a case closure letter, shall require the person requesting approval of remedial action or case closure to provide the information necessary for the listing and to pay a fee established by the department for the listing.

2. If the department has directed that a local governmental unit or economic development corporation take action under s. 292.11 (9) (e) 4. for a site, the department shall list the site, and the action that the department has directed, in the database maintained by the department under par. (a) and require the local governmental unit or the corporation to pay a fee established by the department for the listing.

(4) Notification of residual contamination. Before a person applies for case closure for a site that includes any property that has residual contamination and is not owned by the person, the person shall provide written notification of the residual contamination to the owner of that property. The person shall include in the notice, at a minimum, a description of the type of residual contamination and the location and description of any engineering control on the site.

(5) Compliance with requirements and limitations. (a) A person who owns property, including a property or site that is listed under sub. (3) (b), shall comply with requirements described in sub. (2) (a) or (b) that are imposed by an agency with administrative authority without regard to when the person obtained the property, unless another person has a legally enforceable responsibility to comply with the requirements.

(b) A person who owns or occupies property, including a property or site that is listed under sub. (3) (b), shall comply with limitations or conditions described in sub. (2) (c) that are imposed by an agency with administrative authority without regard to when the person obtained or occupied the property.

(6) Modification of requirements. A person may request the agency with administrative authority over a site to change or eliminate a requirement, limitation, or condition that it imposed under sub. (2) (a) to (c) with respect to a site. If the agency with administrative authority agrees to change or eliminate a requirement, limitation, or condition imposed under sub. (2) (a) to (c), it shall provide written approval to the person, shall request the department to change the listing under sub. (3) (b) for the site accordingly, and shall require the person to pay a fee established by the department for changing the listing.

292.15 (2) (ae) 7. If the voluntary party owns or controls the property, the voluntary party allows the department, any authorized representative of the department, a representative of a company that has issued insurance required under subd. 3m., any party that possessed or controlled the hazardous substance or caused the discharge of the hazardous substance, and any consultant or contractor of any of those persons to enter the property to determine whether natural attenuation has failed and to take action to respond to the discharge if natural attenuation has failed.

292.15 (2) (b) 5. If the voluntary party does not own or control the property, the person who owns or controls the property fails to allow the department, any authorized representative of the department, any representative of a company that has issued insurance required under par. (ae) 3m., any party that possessed or controlled the hazardous substance or caused the discharge of the hazardous substance, or any consultant or contractor of any of those persons to enter the property to determine whether natural attenuation has failed and to take action to respond to the discharge if natural attenuation has failed.

292.15 (2) (c) Prohibition on action. The department of justice may not commence an action under 42 USC 9607 against any voluntary party meeting the criteria of this subsection to recover costs for which the voluntary party is exempt under pars. (a), (ae), (ag), (am), (at) and (b).

292.15 (2) (e) Contract with insurer. If the department requires insurance under par. (ae) 3m. or (at) 3., the department may contract with an insurer to provide insurance required under par. (ae) 3m. or (at) 3. and may require voluntary parties to obtain coverage under the contract.

292.15 (3) Successors and assigns. An exemption provided in sub. (2) applies to any successor or assignee of the voluntary party if the successor or assignee complies with the provisions of sub. (2) (a) 4. and 5. or (ae) 3m., 4. and, 5., and 7. and, if applicable, sub. (2) (ag) 4. or (am) as though the successor or assignee were the voluntary party except that the exemption in sub. (2) does not apply if the successor or assignee knows that a certificate under sub. (2) (a) 3., (ae) 3., (ag) 2. or (am) was obtained by any of the means or under any of the circumstances specified in sub. (2) (a) 6.

292.15 (7) (d) A solid waste facility that was licensed under s. 289.31 or s. 144.44, 1993 stats.

292.15 (7) (e) A solid waste facility or waste site at which active remedial operation or treatment is required, including a site or facility where methane or groundwater monitoring or gas, leachate, or groundwater collection or treatment is required.

292.21 (1) (c) 2. g. A review to determine if the real property is listed in any of the written compilations of sites or facilities considered to pose a threat to human health or the environment, including the national priorities list under 42 USC 9605 (a) (8) (B); the federal environmental protection agency's information system for the comprehensive environmental response, compensation and liability act, 42 USC 9601 to 9675, (CERCLIS); and the department's most recent Wisconsin remedial response site evaluation report, including the inventory database of sites or facilities which may cause or threaten to cause environmental pollution and other properties that are environmentally contaminated required by s. 292.31 (1) (a); and the department's registry of abandoned landfills.