This is the most polluted industrial town in the world, a place with high levels of POPs contamination from a variety of different sources.
Source categories of waste contamination by POPs:
Polychlorinated dibenzo-p-dioxins
and dibenzofurans (dioxins)
Polychlorinated Biphenyls
Hexachlorobenzene
DDT – Dichlordiphenyltrichlorethan (pesticide)
Other OCPs – Other Organochlorine Pesticides