US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 900 — GENERAL PROVISIONS900.APPENDIX35 Ill. Adm. Code 900.APPENDIXA Old Rule Numbers Referenced (Repealed)Last amended: 2018Year: 2026Length: 10 wordsOfficial source Section 900 Section 900.APPENDIX A  Old Rule Numbers Referenced (Repealed)Previous35 Ill. Adm. Code 900.106Next35 Ill. Adm. Code 900.APPENDIX A