1. The department shall maintain and make available for public inspection a registry of confirmed abandoned or uncontrolled hazardous waste disposal sites in the state. The department shall take all necessary action to insure that the registry provides a complete listing of all such sites. The registry shall contain the exact location of each site and identify the types of waste found at each site.

2. The department shall investigate all known or suspected abandoned or uncontrolled sites and determine whether each site should be included in the registry. In the evaluation of known or suspected abandoned or uncontrolled sites, the department shall have the power to enter private property and perform tests and analyses in the manner provided in section 260.375.