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Who in the world is most exposed to polychlorinated biphenyls? Using models to identify highly exposed populations
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry. Stockholm University, Faculty of Science, Stockholm University Baltic Sea Centre.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Number of Authors: 42018 (English)In: Environmental Research Letters, ISSN 1748-9326, E-ISSN 1748-9326, Vol. 13, no 6, article id 064036Article in journal (Refereed) Published
Abstract [en]

Human subpopulations experience different exposure to persistent organic pollutants (POPs) because of differences in the structure of their food webs and the extent of environmental contamination. Here we quantify the time-variant exposure of different human populations around the world to one representative POP, namely the polychlorinated biphenyl (PCB) congener 153, based on a dynamic simulation of both global environmental fate (using the model BETR-Global) and human food chain bioaccumulation (using the model ACC-HUMAN). The approach identifies subpopulations whose diets include a carnivorous mammal as experiencing the world's highest PCB-153 exposure, i.e. the very large biomagnification potential of their food web more than makes up for the remoteness of their living environment. However, for subpopulations that do not eat warm-blooded carnivores, the proximity to sources of PCBs is more important than food web structure and environmental conditions for differentiating their exposure to PCBs.

Place, publisher, year, edition, pages
2018. Vol. 13, no 6, article id 064036
Keywords [en]
persistent organic pollutants, contaminant exposure, simulation model, global chemical fate
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-158309DOI: 10.1088/1748-9326/aac5feISI: 000435633600003OAI: oai:DiVA.org:su-158309DiVA, id: diva2:1235901
Available from: 2018-07-30 Created: 2018-07-30 Last updated: 2018-07-30Bibliographically approved

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Undeman, EmmaMcLachlan, Michael S.Wania, Frank
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Department of Environmental Science and Analytical ChemistryStockholm University Baltic Sea Centre
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