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 – 637 (589 highway, 43 air, 4 rail, 1 water)
• Serious incidents
– 2 (1 Bulk release, 0 evacuation, 1 injury, 0 death, 1 major artery closed, 0
fire/explosion, 44 no release)
• Largest container
involved – 23,740-gal
DOT 111A100W3 Railcar {Elevated Temperature Liquid, N.O.S., At Or Above 100 C
And Below Its Flash Point} Improperly secured manway cover.
• Largest amount spilled – 250-gal DOT 406 Trailer {Gasoline Includes Gasoline Mixed With Ethyl Alcohol, With Not More Than 10% Alcohol} Overfilled.
Most Interesting Chemical: Dichloroisocyanuric Acid,
Dry Dichloroisocyanuric acid, solid is a white crystalline solid with an odor
of chlorine. The material itself is noncombustible but if contaminated with a
combustible material ignition can result. It will accelerate the burning of
combustible materials. Contact with ammonium compounds or hydrated salts can
cause a very vigorous chemical reaction. It may vigorously react with small
quantities of water releasing chlorine gas. (Source: CameoChemicals.NOAA.gov).
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