Persistent Organic Pollutants (POPs), i.e. Dirty Twelve are Dioxins, Furans, DDT, Poly-Chlorinated By- Phynel (PCB), Aldrin, Chlorodane, Deldrin, Endrin, Hepata-chloro, Hexa-Chloro Benzene (BHC/Lindance) Mirex and Toxaphene.