Dioxins and dioxin-like compounds (DLCs) are a group of chemical compounds that are persistent organic pollutants (POPs) in the environment. They are mostly by-products of burning or various industrial processes or, in the case of dioxin-like PCBs and PBBs, unwanted minor components of intentionally produced mixtures.
Decrease of dioxin concentrations in breast milk in Sweden and Finland
Decrease of dioxins in ambient air in different regions (redrawn from Dopico and Gomez, 2015)
Agent Orange
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Agent Orange is a chemical herbicide and defoliant, one of the tactical use Rainbow Herbicides.
Stacks of 200 L (44 imp gal; 53 US gal) drums containing Agent Orange.
Defoliant spray run, part of Operation Ranch Hand, during the Vietnam War by UC-123B Provider aircraft.
U.S. Army armored personnel carrier (APC) spraying Agent Orange over Vietnamese rice fields during the Vietnam War.
A UH-1D helicopter from the 336th Aviation Company sprays a defoliation agent over farmland in the Mekong Delta.