US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER II: ENVIRONMENTAL PROTECTION AGENCYPart 380 — PROCEDURE FOR THE CERTIFICATION OF OPERATORS OF WASTEWATER TREATMENT WORKSSubpart I380.92035 Ill. Adm. Code 380.920Operator in Training Substitution Criteria (Repealed)Last amended: 2019Year: 2026Length: 10 wordsOfficial source Section 380 Section 380.920 Operator in Training Substitution Criteria (Repealed)Previous35 Ill. Adm. Code 380.915Next35 Ill. Adm. Code 380.925