CFR›Title 40›Chapter I›Part 146›40 CFR Part 146 Subpart F Citation40 CFR Part 146 Subpart FContainsSection § 146.51CorpusDaily eCFRDisplayed edition2026-10-08Last updated2026-10-08 Subpart F—Criteria and Standards Applicable to Class V Injection Wells Sections § 146.51 § 146.51 Applicability. AuthoritySafe Drinking Water Act, 42 U.S.C. 300f et seq.; Resource Conservation and Recovery Act, 42 U.S.C. 6901 et seq.Source45 FR 42500, June 24, 1980, unless otherwise noted.