US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 307 — SEWER DISCHARGE CRITERIASubpart A307.10535 Ill. Adm. Code 307.105Pretreatment Requirements (Repealed)Last amended: 1988Year: 2026Length: 7 wordsOfficial source Section 307 Section 307.105 Pretreatment Requirements (Repealed)Previous35 Ill. Adm. Code 307.104Next35 Ill. Adm. Code 307.1001