US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 501 — GENERAL PROVISIONSSubpart B501.37235 Ill. Adm. Code 501.372SupernatantLast amended: 1991Year: 2026Length: 26 wordsOfficial source Section 501 Section 501.372 Supernatant The liquid portion of the livestock waste that overlies deposited or settled solids that are stored in a tank or lagoon.Previous35 Ill. Adm. Code 501.370Next35 Ill. Adm. Code 501.373