US lawIllinoisRegulationsTitle 77 ā PUBLIC HEALTHCHAPTER I: DEPARTMENT OF PUBLIC HEALTHSUBCHAPTER r: WATER AND SEWAGEPart 890 ā ILLINOIS PLUMBING CODE890.APPENDIX I77 Ill. Adm. Code 890.APPENDIX II Illustrations for Subpart ILast amended: 2014Year: 2026Length: 19 wordsOfficial source Section 890.APPENDIX IĀ Ā Illustrations for Subpart I Section 890.ILLUSTRATION OĀ Ā P & T Relief Valve (Referenced in Section 890.1230(c)(2))Previous77 Ill. Adm. Code 890.APPENDIX INext77 Ill. Adm. Code 890.APPENDIX J