US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 901 — SOUND EMISSION STANDARDS AND LIMITATIONS FOR PROPERTY-LINE-NOISE-SOURCES901.11135 Ill. Adm. Code 901.111Modern Drop Forge Operational Level (Repealed)Last amended: 2018Year: 2026Length: 10 wordsOfficial source Section 901 Section 901.111 Modern Drop Forge Operational Level (Repealed)Previous35 Ill. Adm. Code 901.110Next35 Ill. Adm. Code 901.112