Transportation Chemical Incidents – Week of 7-5-25

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 – 600 (572 highway, 23 air, 5 rail, 0 water)

• Serious incidents – 4 (2 Bulk release, 2 evacuation, 1 injury, 0 death, 1 major artery closed, 2 fire/explosion, 28 no release)

• Largest container involved – 33,680-gal DOT 112J340W Railcar {Liquefied Petroleum Gas} Mechanical failure of PRV.

• Largest amount spilled – 6,500-gal DOT 105J500W Railcar {Carbon Dioxide, Refrigerated Liquid} Top liquid valve open, plug not in place.

• Total amount reported spilled in all incidents – 9341.6 gal

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

Most Interesting Chemical: Formic Acid: A colorless liquid with a pungent odor. Flash point 156°F. Density 10.2 lb / gal. Corrosive to metals and tissue. (Source: CameoChemicals.NOAA.gov).