Code of Federal Regulations > Title 49 > Chapter VIII > Part 831 > Subpart D - Subpart D—Railroad, Pipeline, and Hazardous Materials Investigations

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Regulations last checked for updates: Jan 22, 2026

Title 49 - Transportation last revised: Jan 16, 2026

All TitlesTitle 49Chapter VIIIPart 831Subpart D - Subpart D—Railroad, Pipeline, and Hazardous Materials Investigations

§ 831.40 - Authority of NTSB in railroad, pipeline, and hazardous materials investigations.

authority: 49 U.S.C. 1113(f)

source: 82 FR 29685, June 29, 2017, unless otherwise noted.

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