49 CFR 171.15

For 49 CFR 171.15, governing statute is Hazardous Materials Transportation Act; triggering event is the general public is evacuated for one hour or more as a direct result of a hazardous material during transportation; notification deadline is as soon as practical but no later than 12 hours after the occurrence; notification recipient is National Response Center (NRC) on 800-424-8802 (toll free) or 202-267-2675 (toll call); required method is telephone to the National Response Center (NRC), recorded from its source on 2026-08-12.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

(iii) The general public is evacuated for one hour or more

— law.cornell.edu, retrieved 2026-08-12

The same source also states

(iv) A major transportation artery or facility is closed or shut down for one hour or more

— law.cornell.edu, retrieved 2026-08-12

The same source also states

(v) The operational flight pattern or routine of an aircraft is altered

— law.cornell.edu, retrieved 2026-08-12

The same source also states

(5) A situation exists of such a nature (e.g., a continuing danger to life exists at the scene of the incident) that, in the judgment of the person in possession of the hazardous material, it should be reported to the NRC

— law.cornell.edu, retrieved 2026-08-12

Source

• law.cornell.eduhttps://www.law.cornell.edu/cfr/text/49/171.15

Last verified against source: 2026-08-12. Due for re-check by 2027-02-08. This page as Markdown · OKF bundle · full dataset as JSON.