US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 901 — SOUND EMISSION STANDARDS AND LIMITATIONS FOR PROPERTY-LINE-NOISE-SOURCES901.APPENDIX A35 Ill. Adm. Code 901.APPENDIX AA Old Rule Numbers Referenced (Repealed)Last amended: 2018Year: 2026Length: 10 wordsOfficial source Section 901 Section 901.APPENDIX A  Old Rule Numbers Referenced (Repealed)Previous35 Ill. Adm. Code 901.APPENDIXNext35 Ill. Adm. Code 901.APPENDIX B