Ill. Admin. Code tit. 32, § 601.90
a) Closure Plan. The application for a facility license shall contain a closure plan, which shall be consistent with the performance objectives of this Part, and shall include, but need not be limited to, the following:
b) Post-Closure Plan. The application for a facility license must contain a post-closure plan under which the licensee will observe, monitor and carry out necessary maintenance and repairs at the disposal facility for a period of 10 years after facility closure. The plan shall be consistent with the performance objectives of this Part and shall include, but need not be limited to:
c) Institutional Control Plan. The application must contain an institutional control plan for the long term care, maintenance and monitoring of the disposal site. The plan shall describe the activities to be taken by the site owner following the 10 year post-closure period, as described in subsection (b), and after transfer of title and custody and termination of the facility license. The plan shall be consistent with the performance objectives of this Part and shall include, but need not be limited to, the following: