Seveso accident

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Seveso accident2016-12-15T02:12:14+00:00

Seveso accident 

Seveso accident image from New Medical Terms

Seveso map


An industrial accident that occurred in 1976 at a chemical plant in Seveso, Italy, which manufactured pesticides and herbicides. The accident released a dense vapour cloud containing tetrachlorodibenzo- paradioxin–TCDD (dioxin), a poisonous and carcinogenic by-product of an uncontrolled exothermic reaction.

While no immediate fatalities were reported, there was widespread dispersal of kilogramme quantities of a substance known to be lethal to humans even in microgramme doses, resulting in contamination of 10 square miles of land, evacuation of 600 people from their homes, and treatment of 2000 for dioxin poisoning.

Synonyms Seveso disaster, Seveso mass disaster 


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