Friday, October 24, 2025

Transportation Chemical Incidents – Week of 9-20-25

Reporting Background

See this post for explanation, with the most recent update here (removed from paywall).

Data from PHMSA’s online database of transportation related chemical incidents that have been reported to the agency.

Incidents Summary

• Number of incidents – 590 (547 highway, 37 air, 6 rail, 0 water)

• Serious incidents – 3 (3 Bulk release, 0 evacuation, 0 injury, 0 death, 1 major artery closed, 1 fire/explosion, 40 no release)

• Largest container involved – 30,400-gal DOT 117J100W Railcar {Alcohols, N.O.S.} Gaskets deteriorated due to fire adjacent to railcar.

• Largest amount spilled – 400-gal DOT 117J100W Railcar {Alcohols, N.O.S.} Gaskets deteriorated due to fire adjacent to railcar. NOTE: Different railcar same incident.

• Total amount reported spilled in all incidents – 2401.2-gal

NOTE: Links above are to Form 5800.1 for the described incidents.

Most Interesting Chemical: Triethylamine: A clear colorless liquid with a strong ammonia to fish-like odor. Flash point 20°F. Vapors irritate the eyes and mucous membranes. Less dense (6.1 lb / gal) than water. Vapors heavier than air. Produces toxic oxides of nitrogen when burned. (Source: CameoChemicals.NOAA.gov).

 



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