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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 142
Subpart A - Subpart A—General Provisions
§ 142.1 - Applicability.
§ 142.2 - Definitions.
§ 142.3 - Scope.
§ 142.4 - State and local authority.
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