Articles | Volume 18, issue 7
Atmos. Chem. Phys., 18, 5045–5058, 2018
https://doi.org/10.5194/acp-18-5045-2018
Atmos. Chem. Phys., 18, 5045–5058, 2018
https://doi.org/10.5194/acp-18-5045-2018

Research article 13 Apr 2018

Research article | 13 Apr 2018

Continuous non-marine inputs of per- and polyfluoroalkyl substances to the High Arctic: a multi-decadal temporal record

Heidi M. Pickard et al.

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Latest update: 11 May 2021
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Short summary
Perfluoroalkyl acids (PFAAs) are persistent, bioaccumulative compounds found in the environment far from source regions, including the remote Arctic. We collected a 15 m ice core from the Canadian High Arctic to measure a 38-year deposition record of PFAAs, proving information about major pollutant sources and production changes over time. Our results demonstrate that PFAAs have continuous and increasing deposition, despite recent North American regulations and phase-outs.
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