<unk>  have no common uses. They are manufactured on a small scale for chemical and toxicological research, but mostly exist as by-products of industrial processes such as bleaching paper pulp, pesticide manufacture, and combustion processes such as incineration. The defoliant Agent Orange contained<unk> . The Stockholm Convention banned the production and use of<unk>  in 2001.
Dioxins and dioxin-like compounds
Polychlorinated naphthalene
Polychlorinated dibenzodioxins
Organobromine compound
Organochlorine compound
Polycyclic aromatic hydrocarbon
Loline alkaloid
Polychlorinated dibenzofurans