U.S. DOT/PHMSA - Final Rule; Valve Spacing on Pipelines Carrying Highly volatile Liquids (PS-53)

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Final RuleU.S. DOT/PHMSA - Final Rule; Valve Spacing on Pipelines Carrying Highly volatile Liquids (PS-53) Rule; Final Rule. Filed in Regulations.gov docket PHMSA-2015-0027.#

This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.