35 Ill. Adm. Code 101.404
Agency as a Party in Interest
Section 101
Section 101.404 Agency as a
Party in Interest
a) Under Section 30 of the Act, the Board may request that the
Agency investigate:
1) Any alleged violation of the Act, any regulations adopted
under the Act, any permit or term or condition of a permit granted by the
Agency, or any Board order; and
2) Any other matters as the Board finds advisable.
b) Upon a request under subsection (a), the Board may designate
the Agency as a party in interest in any ongoing proceeding concerning that
matter. The designation of the Agency as a party in interest does not require
the Agency to take a position on the merits of the proceeding.