Atmospheric Concentrations of New Persistent Organic Pollutants and Emerging Chemicals of Concern in the Group of Latin America and Caribbean (GRULAC) Region

Environmental Science & Technology
Cassandra RauertBeatriz Helena Aristizábal Zuluaga

Abstract

A special initiative was run by the Global Atmospheric Passive Sampling (GAPS) Network to provide atmospheric data on a range of emerging chemicals of concern and candidate and new persistent organic pollutants in the Group of Latin America and Caribbean (GRULAC) region. Regional-scale data for a range of flame retardants (FRs) including polybrominated diphenyl ethers (PBDEs), organophosphate esters (OPEs), and a range of alternative FRs (novel FRs) are reported over 2 years of sampling with low detection frequencies of the novel FRs. Atmospheric concentrations of the OPEs were an order of magnitude higher than all other FRs, with similar profiles at all sites. Regional-scale background concentrations of the poly- and perfluoroalkyl substances (PFAS), including the neutral PFAS (n-PFAS) and perfluoroalkyl acids (PFAAs), and the volatile methyl siloxanes (VMS) are also reported. Ethyl perfluorooctane sulfonamide (EtFOSA) was detected at highly elevated concentrations in Brazil and Colombia, in line with the use of the pesticide sulfluramid in this region. Similar concentrations of the perfluoroalkyl sulfonates (PFAS) were detected throughout the GRULAC region regardless of location type, and the VMS concentrations in air increas...Continue Reading

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Citations

Aug 22, 2020·Environmental Science. Processes & Impacts·Frank Wania, Chubashini Shunthirasingham
May 3, 2019·Environmental Science and Pollution Research International·Cesar N Pegoraro, Eduardo D Wannaz
Oct 1, 2018·Environmental Pollution·Cassandra RauertBeatriz Helena Aristizábal Zuluaga
May 5, 2020·Environmental Science & Technology·Terry F BidlemanMats Tysklind
Oct 26, 2021·The Science of the Total Environment·Sudarshan KurwadkarRichard Wilkin

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