US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 303 — WATER USE DESIGNATIONS AND SITE-SPECIFIC WATER QUALITY STANDARDS303.APPENDIX B35 Ill. Adm. Code 303.APPENDIX BB Sources of Codified Section (Repealed)Last amended: 2023Year: 2026Length: 8 wordsOfficial source Section 303.APPENDIX B Sources of Codified Section (Repealed)Previous35 Ill. Adm. Code 303.APPENDIX A