35 Ill. Adm. Code 817.302
Design Period
Section 817
Section 817.302 Design
Period
The design period for all
potentially usable waste disposal units shall be the estimated operating life
of the unit plus a minimum postclosure care period of five years. For
landfills, other than those used exclusively for disposing waste generated at the
site, the minimum postclosure care period, for purposes of monitoring settling
at the site, shall be 15 years.