US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 309 — PERMITSSubpart B309.28135 Ill. Adm. Code 309.281Effective Date (Repealed)Last amended: 2023Year: 2026Length: 7 wordsOfficial source Section 309 Section 309.281 Effective Date (Repealed)Previous35 Ill. Adm. Code 309.266Next35 Ill. Adm. Code 309.282