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.
- Regulation
- 49 CFR 171.15
- Governing statute
- Hazardous Materials Transportation Act our reading
- Triggering event
- the general public is evacuated for one hour or more as a direct result of a hazardous material during transportation
- Notification deadline
- as soon as practical but no later than 12 hours after the occurrence
- Notification recipient
- National Response Center (NRC) on 800-424-8802 (toll free) or 202-267-2675 (toll call)
- Required method
- telephone to the National Response Center (NRC)
- Follow-up requirement
- written Hazardous Materials Incident Report on DOT Form F 5800.1 within 30 days per 49 CFR 171.16
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
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
Triggering event
law.cornell.edu says triggering event is the general public is evacuated for one hour or more as a direct result of a hazardous material during transportation, as of 2026-08-12.
(iii) The general public is evacuated for one hour or more
https://www.law.cornell.edu/cfr/text/49/171.15
law.cornell.edu says triggering event is a major transportation artery or facility is closed or shut down for one hour or more as a direct result of a hazardous material during transportation, as of 2026-08-12.
(iv) A major transportation artery or facility is closed or shut down for one hour or more
https://www.law.cornell.edu/cfr/text/49/171.15
law.cornell.edu says triggering event is the operational flight pattern or routine of an aircraft is altered as a direct result of a hazardous material during transportation, as of 2026-08-12.
(v) The operational flight pattern or routine of an aircraft is altered
https://www.law.cornell.edu/cfr/text/49/171.15
law.cornell.edu says triggering event is 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, as of 2026-08-12.
(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
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/49/171.15