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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 46
Chapter I
Part 56
Subpart 56.04 - Subpart 56.04—Piping Classification
§ 56.04-1 - Scope.
§ 56.04-2 - Piping classification according to service.
§ 56.04-10 - Other systems.
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