US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 304 — EFFLUENT STANDARDS304.APPENDIX35 Ill. Adm. Code 304.APPENDIXA Reference to Previous Rules (Repealed)Last amended: 2023Year: 2026Length: 8 wordsOfficial source Section 304.APPENDIX A  Reference to Previous Rules (Repealed)Next35 Ill. Adm. Code 304.APPENDIX A