US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDSUBCHAPTER c: EMISSION STANDARDS AND LIMITATIONS FOR STATIONARY SOURCESPart 211 — DEFINITIONS AND GENERAL PROVISIONSSubpart B211.25035 Ill. Adm. Code 211.250AerationLast amended: 1993Year: 2026Length: 23 wordsOfficial source Section 211 Section 211.250 Aeration "Aeration" means the practice of forcing air through bulk stored grain to maintain the condition of the grain.Previous35 Ill. Adm. Code 211.240Next35 Ill. Adm. Code 211.260