Ill. Admin. Code tit. 35, § 725.413
Incompatible wastes or incompatible wastes and materials (see appendix V of 40 CFR 265 (Examples of Potentially Incompatible Waste), incorporated by reference in 35 Ill. Adm. Code 720.111(b), for examples) must not be placed in the same landfill cell, unless Section 725.117(b) is complied with.
(Source: Amended at 30 Ill. Reg. 3460, effective February 23, 2006)