API-AOPL Comments on Draft Valve Study 10-26-2012 FINAL

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Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Supplemental CommentAPI-AOPL Comments on Draft Valve Study 10-26-2012 FINAL Other; Supplemental Comment. Filed in Regulations.gov docket PHMSA-2013-0255.#

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