US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER II: ENVIRONMENTAL PROTECTION AGENCYPart 370 — ILLINOIS RECOMMENDED STANDARDS FOR SEWAGE WORKS370.APPENDIX H35 Ill. Adm. Code 370.APPENDIX HH Old Section Numbers Referenced (Repealed)Last amended: 1997Year: 2026Length: 8 wordsOfficial source Section 370.APPENDIX H Old Section Numbers Referenced (Repealed)Previous35 Ill. Adm. Code 370.APPENDIX G