Ill. Admin. Code tit. 35, § 168.220
All documents required to be filed with the Hearing Officer shall be addressed to the Hearing Officer at the following address:
Illinois Environmental Protection Agency
2520 West Iles Avenue
P.O. Box 19276
Springfield, Illinois 62794-9276
Attention: Agency Hearing Officer
(Source: Amended at 50 Ill. Reg. 270, effective December 23, 2025)