The Administrator may in his discretion: (1) make such public or private investigations inside or outside this State as he deems necessary (i) to determine whether any person has violated, is violating, or is about to violate any provision of this Act or any rule or order prescribed or issued under this Act or (ii) to aid in the enforcement of this Act or in the prescribing of rules under this Act; and (2) publish information concerning the violation of this Act or any rule or order prescribed or issued under this Act. No actions taken or orders issued by the Administrator shall be binding on, nor in any way preclude the Administrator from conducting any investigation or commencing any action authorized under this Act. The Administrator or any of his assistants may participate in any hearings conducted by the Administrator under this Act and the Administrator may provide such assistance as the Administrator believes necessary to effectively fulfill the purposes of this Act.
815 ILCS 705/31