US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 306 — PERFORMANCE CRITERIA306.APPENDIX35 Ill. Adm. Code 306.APPENDIXA References to Previous Rules (Repealed)Last amended: 2023Year: 2026Length: 10 wordsOfficial source Section 306 Section 306.APPENDIX A   References to Previous Rules (Repealed)Next35 Ill. Adm. Code 306.APPENDIX A