Section 415 ILCS 5/22.12 - [Effective Until 1/1/2025](a) The Agency shall coordinate with the Office of the State Fire Marshal in the administration of the Leaking Underground Storage Tank program, as established in Subtitle I of the Hazardous and Solid Waste Amendments of 1984 ( P.L. 98-616), as amended, of the Resource Conservation and Recovery Act of 1976 ( P.L. 94-580). The Agency shall act as the lead agency in the formulation of regulations and policies, and shall be responsible for groundwater monitoring and any necessary site cleanup requirements encountered under the Resource Conservation and Recovery Act of 1976, the Comprehensive Environmental Response Compensation and Liability Act, or the State "Clean Illinois" program.(b) By May 8, 1986, a person who is the owner of an underground storage tank containing hazardous waste on July 1, 1986 shall register the tank with the Agency on the form provided by the Agency pursuant to Subtitle I of The Hazardous and Solid Waste Amendments of 1984 ( P.L. 98-616 ) of the Resource Conservation and Recovery Act of 1976 ( P.L. 94-580), as amended.(c) A person who is the owner of an underground storage tank containing hazardous waste installed or replaced after July 1, 1986 shall register prior to the installation of the tank.(d) Except as otherwise provided in subsection (e), a person who is the owner of an underground storage tank containing hazardous waste registered under subsection (b) or (c) shall notify the Agency of any change in the information required under this Section or of the removal of an underground storage tank from service.(e) A person who is the owner of an underground storage tank containing hazardous waste the contents of which are changed routinely shall indicate all the materials which are stored in the tank on the registration form. A person providing the information described in this subsection is not required to notify the Agency of changes in the contents of the tank unless the material to be stored in the tank differs from the information provided on the registration form.This section is set out more than once due to postponed, multiple, or conflicting amendments.