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 – 619 (520 highway, 92 air, 7 rail, water 0)
• Serious incidents
– 4 (3 Bulk release, 1 evacuation, 0 injury, 0 death,0 major artery closed, 0
fire/explosion)
• Largest container
involved – 500,000-gal
Storage Tank {Hydrosilicofluoric Acid} Storage tank overflowed during truck
unloading operation, high level alarm failed.
• Largest amount
spilled – 20,000-lbs
DOT 117R100W railcar{Alcohols, N.O.S.} Switching
yard accident caused catastrophic failure of tank car.
NOTE: Links above are to Form 5800.1 for the described incidents.
Most Interesting
Chemical: Hydrofluorosilicic Acid– A colorless to straw yellow liquid with
a slightly acrid odor. Corrosive. Reacts with a wide variety of materials, may
release fluorine gas. When heated to boiling decomposes to produce fluorine
gas. Used as fluorinating agent in public water systems.
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