US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 130 — IDENTIFICATION AND PROTECTION OF TRADE SECRETS AND OTHER NON-DISCLOSABLE INFORMATION130.APPENDIX35 Ill. Adm. Code 130.APPENDIXA Comparison of Former and Current Rules (Repealed)Last amended: 2005Year: 2026Length: 12 wordsOfficial source Section 130 Section 130.APPENDIX A Comparison of Former and Current Rules (Repealed)Next35 Ill. Adm. Code 130.APPENDIX A