Dioxin 4
Dioxin 4 : The chemical compound 2, 3, 7, 8, tetra chlorodibenzo-p-dioxin, an extremely toxic substance used in manufacturing some herbicides. The harmful effects are very persistent and capable of causing severe illness and chromosomal malformations. A major accident occurred in Seveso. Also known as TCDD. Compare to or see transboundary pollution, Seveso, man-made disaster, toxicological disaster