Code of Federal Regulations · Section
§ 192.279 — Copper Pipe
49 C.F.R. § 192.279
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Copper pipe may not be threaded except for copper pipe that is used for joining screw fittings or valves, which may be threaded if the wall thickness is equivalent to the comparable size of Schedule 40 or heavier wall pipe listed in ASME B36.10M (incorporated by reference, see § 192.7).
Authorizing Statute
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Rights-of-way for pipelines through Federal lands30 U.S.C. § 185
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General regulatory authority49 U.S.C. § 5103