Warning Letter involving CITY OF DULUTH PUBLIC WORKS & UTILITIES. PHMSA's enforcement data identifies the cited regulation as 192.505. The case was opened on 2004-07-12 and is reported as closed as of 2004-07-12. Open the official case record for notices, responses, orders, and the latest status.

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Regulations1

Regulation

49 CFR 192.505

Strength test requirements for steel pipeline to operate at a hoop stress of 30 percent or more of SMYS.

192.505 · cited in enforcement

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Retrieved: Aug 20, 2026
Version: Source current

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