35 Ill. Adm. Code 741.300
General
Section 741
Section 741.300Â General
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.