US lawIllinoisRegulationsTitle 77 — PUBLIC HEALTHCHAPTER I: DEPARTMENT OF PUBLIC HEALTHSUBCHAPTER r: WATER AND SEWAGEPart 890 — ILLINOIS PLUMBING CODESubpart K890.156077 Ill. Adm. Code 890.1560Main Vents to Connect at Base (Repealed)Last amended: 2014Year: 2026Length: 11 wordsOfficial source Section 890 Section 890.1560 Main Vents to Connect at Base (Repealed)Previous77 Ill. Adm. Code 890.1550Next77 Ill. Adm. Code 890.1570