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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 148
Subpart A - Subpart A—General
§ 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.
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