US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 304 — EFFLUENT STANDARDSSubpart C304.30135 Ill. Adm. Code 304.301Exception for Ammonia Nitrogen Water Quality Violations (Repealed)Last amended: 1996Year: 2026Length: 12 wordsOfficial source Section 304 Section 304.301 Exception for Ammonia Nitrogen Water Quality Violations (Repealed)Next35 Ill. Adm. Code 304.302