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Fact: @IARCWHO classified all 209 PCBs as known carcinogens to humans (Group 1) in 2016 #IYDKNYK https://t.co/S5gPrVRBCo
Fact: @IARCWHO classified all 209 PCBs as known carcinogens to humans (Group 1) in 2016 #IYDKNYK https://t.co/S5gPrVRBCo
PCBs upgraded by IARC to Group 1, known carcinogens, based on increased risk of melanoma in humans @TheLancet http://t.co/APXLzXxafa