Reporting Background – See this post for explanation.
Data from PHMSA’s online database of transportation related chemical incidents that have been reported to the agency.
Incidents Summary
Number of incidents – 57 (55 highway, 2 air)
Serious incidents – 1 (1 Bulk release, 0 injuries, 0 deaths, 0 major artery closed)
Largest container involved – 520-gallon IBC (piperidine, about 1 cup leaked),
Largest amount spilled – 250-gallons (sulfuric acid with more than 51 percent acid)
Most interesting chemical - Organic Peroxide Type D, Liquid, Temperature Controlled (UN 3115). Only one shipment with some minor damage during loading (.00715-gal spilled). This is a generic listing for a class of chemicals that are known for self-accelerating decomposition reactions starting at low temperatures that produce oxygen. The exothermic reaction produces heat which increases the rate of the reaction, until you reach a critical temperature where the remaining chemical explosively decomposes.
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