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Grung M, Kringstad A, Bæk K, et al. Identification of non-regulated polycyclic aromatic compounds and other markers of urban pollution in road tunnel particulate matter. J Hazard Mater. 2016;323:36-44doi: 10.1016/j.jhazmat.2016.05.036.
Grung, M., Kringstad, A., Bæk, K., Allan, I. J., Thomas, K. V., Meland, S., & Ranneklev, S. B. (2017). Identification of non-regulated polycyclic aromatic compounds and other markers of urban pollution in road tunnel particulate matter. Journal of hazardous materials, 32336-44. https://doi.org/10.1016/j.jhazmat.2016.05.036
Grung, Merete, et al. "Identification of non-regulated polycyclic aromatic compounds and other markers of urban pollution in road tunnel particulate matter." Journal of hazardous materials vol. 323 (2017): 36-44. doi: https://doi.org/10.1016/j.jhazmat.2016.05.036
Grung M, Kringstad A, Bæk K, Allan IJ, Thomas KV, Meland S, Ranneklev SB. Identification of non-regulated polycyclic aromatic compounds and other markers of urban pollution in road tunnel particulate matter. J Hazard Mater. 2017 Feb 05;323:36-44. doi: 10.1016/j.jhazmat.2016.05.036. Epub 2016 May 12. PMID: 27233209.
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J Hazard Mater. 2017 Feb 05;323:36-44. doi: 10.1016/j.jhazmat.2016.05.036. Epub 2016 May 12.

Identification of non-regulated polycyclic aromatic compounds and other markers of urban pollution in road tunnel particulate matter.

Journal of hazardous materials

Merete Grung, Alfhild Kringstad, Kine Bæk, Ian J Allan, Kevin V Thomas, Sondre Meland, Sissel B Ranneklev

Affiliations

  1. Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway. Electronic address: [email protected].
  2. Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway. Electronic address: [email protected].
  3. Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway. Electronic address: [email protected].
  4. Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway. Electronic address: [email protected].
  5. Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway. Electronic address: [email protected].
  6. Norwegian Public Roads Administration, Environmental Assessment Section, Post Box 8142 Dep., 0033 Oslo, Norway; Norwegian University of Life Sciences, Department of Environmental Sciences, Post Box 5003, 1432 Ås, Norway. Electronic address: [email protected].
  7. Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway. Electronic address: [email protected].

PMID: 27233209 DOI: 10.1016/j.jhazmat.2016.05.036

Abstract

A combination of silicone rubber extraction and non-target and suspect screening by gas chromatography coupled to high-resolution time-of flight mass spectrometry was used for the identification of compounds in particulate matter (PM). Tunnel PM is a proxy for local road pollution that constitutes a hazard to the urban environment and human health. The use of silicone rubber for the extraction of PM allowed the pre-concentration of a wide range of compounds for non-target analysis while minimising the effects of the sample matrix. As expected, polycyclic aromatic compounds (PACs) constituted the major group of compounds identified, but only 5 of 50 PACs identified were amongst those regularly monitored and many of them were alkylated or contained a heteroatom. Urban markers of contamination such as organophosphate flame-retardants, phthalates, benzothiazoles, musk compounds and a plasticiser were also identified. The level of confidence for the identifications was high based on accurate mass, the pattern of fragmentation and retention. The unequivocal identification of 16 compounds, from all groups, was confirmed by co-chromatography with standards and the compounds semi-quantified. Most of the PACs identified are not regularly monitored, and the hazards they pose are therefore unknown. Some of these PACs are known to be more persistent and mobile in the environment than the EPA PAH16.

Copyright © 2016 Elsevier B.V. All rights reserved.

Keywords: Co-chromatography; Non-target analysis; Passive samplers; Poly-aromatic compounds PACs; Silicone rubber; Urban contaminants

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