US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 307 — SEWER DISCHARGE CRITERIA307.402235 Ill. Adm. Code 307.4022Unbleached Kraft and Semi-Chemical (Repealed)Last amended: 1999Year: 2026Length: 9 wordsOfficial source Section 307 Section 307.4022 Unbleached Kraft and Semi-Chemical (Repealed)Previous35 Ill. Adm. Code 307.4021Next35 Ill. Adm. Code 307.4023