Article from 15.03.2016 | Last changed: 15.03.2016
Dioxins
… biphenyls (PCBs) are also in the group of chlorinated hydrocarbons. They comprise a substance group that have a varying number of chlorine atoms attached to a biphenyl … polychlorinated biphenyls (PCBs), and certain herbicides. In the meantime these substances have been regulated through legislation banning their use. The major sources of air pollution by these substances used to be metal mining and waste incineration systems. Thanks to …