Articles | Volume 21, issue 3
Atmos. Chem. Phys., 21, 1697–1716, 2021
https://doi.org/10.5194/acp-21-1697-2021
Atmos. Chem. Phys., 21, 1697–1716, 2021
https://doi.org/10.5194/acp-21-1697-2021

Research article 09 Feb 2021

Research article | 09 Feb 2021

Non-target and suspect characterisation of organic contaminants in ambient air – Part 1: Combining a novel sample clean-up method with comprehensive two-dimensional gas chromatography

Laura Röhler et al.

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Subject: Gases | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Alam, M. S., Delgado-Saborit, J. M., Stark, C., and Harrison, R. M.: Using atmospheric measurements of PAH and quinone compounds at roadside and urban background sites to assess sources and reactivity, Atmos. Environ., 77, 24–35, https://doi.org/10.1016/j.atmosenv.2013.04.068, 2013. 
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. 
Al-Qaim, F. F., Abdullah, M. P., Othman, M. R., Latip, J., and Zakaria, Z.: Multi-residue analytical methodology-based liquid chromatography-time-of-flight-mass spectrometry for the analysis of pharmaceutical residues in surface water and effluents from sewage treatment plants and hospitals, J. Chromatogr. A, 1345, 139–153, https://doi.org/10.1016/j.chroma.2014.04.025, 2014. 
Alves, C. A., Vicente, A. M., Custódio, D., Cerqueira, M., Nunes, T., Pio, C., Lucarelli, F., Calzolai, G., Nava, S., Diapouli, E., Eleftheriadis, K., Querol, X., and Musa Bandowe, B. A.: Polycyclic aromatic hydrocarbons and their derivatives (nitro-PAHs, oxygenated PAHs, and azaarenes) in PM2.5 from Southern European cities, Sci. Total Environ., 595, 494–504, https://doi.org/10.1016/j.scitotenv.2017.03.256, 2017. 
Alygizakis, N. A., Gago-Ferrero, P., Borova, V. L., Pavlidou, A., Hatzianestis, I., and Thomaidis, N. S.: Occurrence and spatial distribution of 158 pharmaceuticals, drugs of abuse and related metabolites in offshore seawater, Sci. Total Environ., 541, 1097–1105, https://doi.org/10.1016/j.scitotenv.2015.09.145, 2016. 
Short summary
A novel non-destructive, sulfuric-acid-free clean-up method for high-volume air samples was developed and evaluated with organic chemicals covering a wide range of polarities (logP 2–11). This method, providing quantitative results of comparable quality to traditional methods, was combined with newly developed data treatment strategies for simultaneous suspect and non-target screening. The application to air samples from southern Norway revealed 90 new potential chemicals of emerging concern.
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