Pipeline Operations - Questions asked by NTSB to Columbia Gas re Constructability

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National Transportation Safety BoardOfficial agency material

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Docket item 35Pipeline Operations - Questions asked by NTSB to Columbia Gas re Constructability PLD18MR003 docket item 35. 1 page. 0 photograph references. Published media type: Adobe PDF file. Metadata only; the linked docket file is not mirrored.#

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