US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 501 — GENERAL PROVISIONSSubpart B501.22035 Ill. Adm. Code 501.220AgencyYear: 2026Length: 10 wordsOfficial source Section 501 Section 501.220 Agency The Illinois Environmental Protection Agency.Previous35 Ill. Adm. Code 501.215Next35 Ill. Adm. Code 501.223