US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER II: ENVIRONMENTAL PROTECTION AGENCYPart 374 — DESIGN CRITERIA OF PRESSURE SEWER SYSTEMSSubpart B374.20435 Ill. Adm. Code 374.204Non-corrosive EquipmentYear: 2026Length: 16 wordsOfficial source Section 374 Section 374.204 Non-corrosive Equipment Non-corrosive or corrosion-resistant equipment shall be specified for STEP systems.Previous35 Ill. Adm. Code 374.203Next35 Ill. Adm. Code 374.205