CFR›Title 40—Protection of Environment›40 CFR Volume 33 Citation40 CFR Volume 33ContainsChapter ICorpusDaily eCFRDisplayed editionMon Apr 27 2026 00:00:00 GMT+0000 (Coordinated Universal Time)Last updatedMon Apr 27 2026 00:00:00 GMT+0000 (Coordinated Universal Time) Chapters I Chapter I—Environmental Protection Agency Parts 1–1099