This Subpart sets forth the procedures that may apply when two or more persons seek to allocate among themselves 100 percent of the performance or costs of a response that results from a release or substantial threat of a release of regulated substances or pesticides on, in, under or from a site. This Subpart also includes procedures for mediation and settlements and the requirements and standards that the Board will use to issue final orders.
Ill. Admin. Code tit. 35, § 741.300