Fig. 2
From: Analysis, occurrence and removal of polychlorinated biphenyls (PCBs) in mine water – A review

Commercial PCB mixtures from transformers (source: Sonia Álvarez, SertinLab Ecuador)
From: Analysis, occurrence and removal of polychlorinated biphenyls (PCBs) in mine water – A review

Commercial PCB mixtures from transformers (source: Sonia Álvarez, SertinLab Ecuador)