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. 2020 Nov 17;128(11):114003. doi: 10.1289/EHP8382

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EHP is an open-access journal published with support from the National Institute of Environmental Health Sciences, National Institutes of Health. All content is public domain unless otherwise noted.

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A photo collage, from left to right, of an old electrical transformer, a painter mixing paint, and a crawfish on a riverbed — Environmental PCB pollution comes from both legacy sources (such as electrical transformers) and novel sources (such as pigments and paints). Contaminated shellfish and fish are a common source of human exposure. Images, left to right: Sturmovik/CC 3.0; © iStockphoto/MPKphoto; © iStockphoto/tacojim.