Friday, August 22, 2025

Transportation Chemical Incidents – Week of 7-19-25

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 – 622 (593 highway, 28 air, 1 rail, 0 water)

• Serious incidents – 4 (3 Bulk release, 1 evacuation, 1 injury, 0 death, 0 major artery closed, 3 fire/explosion, 29 no release)

• Largest container involved – 30,160-gal Type not listed Railcar {Gasoline Includes Gasoline Mixed With Ethyl Alcohol, With Not More Than 10% Alcohol} Leaking manway gasket.

• Largest amount spilled – 300-gal u/i tank truck {Flammable Liquids, N.O.S.} overfilled during truck loading.

• Total amount reported spilled in all incidents – 2450.1 gal

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

Most Interesting Chemical: Potassium Chlorate: A white crystalline solid. Forms a very flammable mixture with combustible materials. Mixture may be explosive if combustible material is very finely divided. Mixture may be ignited by friction. Contact with strong sulfuric acid may cause fires or explosions. May spontaneously decompose and ignite when mixed with ammonium salts. May explode under prolonged exposure to heat or fire. Used to make matches, paper, explosives, and many other uses. (Source: CameoChemicals.NOAA.gov).



 

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