Articles | Volume 20, issue 14
Atmos. Chem. Phys., 20, 9031–9049, 2020
https://doi.org/10.5194/acp-20-9031-2020
Atmos. Chem. Phys., 20, 9031–9049, 2020
https://doi.org/10.5194/acp-20-9031-2020

Research article 29 Jul 2020

Research article | 29 Jul 2020

Non-target and suspect characterisation of organic contaminants in Arctic air – Part 2: Application of a new tool for identification and prioritisation of chemicals of emerging Arctic concern in air

Laura Röhler et al.

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Cited articles

Alam, M. S., Delgado-Saborit, J. M., Stark, C., and Harrison, R. M.: Investigating PAH relative reactivity using congener profiles, quinone measurements and back trajectories, Atmos. Chem. Phys., 14, 2467–2477, https://doi.org/10.5194/acp-14-2467-2014, 2014. 
AMAP: Arctic Pollution 2009, Arctic Monitoring and Assessment Programme, Oslo, Norway, 1–83, 2009. 
AMAP: AMAP Assessment 2016: Chemicals of Emerging Arctic Concern., Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway, xvi + 353 pp., 2017. 
AMAP: Arctic Monitoring and Assessment Programme – an Arctic Council Working Group, available at: https://www.amap.no/ (last access: 7 February 2020), 2019. 
Bahm, K. and Khalil, M. A. K.: A new model of tropospheric hydroxyl radical concentrations, Chemosphere, 54, 143–166, https://doi.org/10.1016/j.chemosphere.2003.08.006, 2004. 
Short summary
A new clean-up method for the SUS and NTS of organic contaminants was applied to high-volume Arctic air samples. A large number of known and new potential organic chemicals of emerging Arctic concern were identified and prioritised with GC×GC-LRMS; 60 % of the identified contaminants (not yet detected in Arctic samples) do not meet currently accepted criteria for LRATP into polar environments. Without our empirical confirmation, they would not be considered potential Arctic contaminants.
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