CFR > Title 40 > Chapter I > Subchapter D > Part 148 > Subpart A CFR > Title 40 > Chapter I > Subchapter D > Part 148 > Subpart A – General Current as of: 2024 | Check for updates | Other versions § 148.1 Purpose, scope and applicability § 148.2 Definitions § 148.3 Dilution prohibited as a substitute for treatment § 148.4 Procedures for case-by-case extensions to an effective date § 148.5 Waste analysis