Giulia Bertolotti 1, Elena C. Rada2, Marco Ragazzi2, Alessandro Chisté2, Stefano Gialanella1

  • 1 Dipartimento di Ingegneria Industriale, Università degli Studi di Trento, Via Mesiano 77, 38123 Trento, Italy
  • 2 Dipartimento di Ingegneria Civile, Ambientale e Meccanica, Università degli Studi di Trento, Via Mesiano 77, 38123 Trento, Italy

Received: October 10, 2013
Revised: December 23, 2013
Accepted: January 22, 2014
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Cite this article:
Bertolotti, G., Rada, E.C., Ragazzi, M., Chisté, A. and Gialanella, S. (2014). A Multi-Analytical Approach to the Use of Conifer Needles as Passive Samplers of Particulate Matter and Organic Pollutants. Aerosol Air Qual. Res. 14: 677-685.



The present work regards the analysis of airborne pollutants emitted by an electric arc furnace steel making plant at a test site in Northern Italy and collected by conifer needles. The spatial and temporal trends of accumulation of Mn, Zn, Fe, Cr, Pb, polychlorinated dibenzo-p-dioxins/dibenzofurans and polychlorinated biphenyls dioxin revealed that the contribution from the steel making plant has never been particularly high, whereas traffic emerged as a significant pollution source. The benefits of combining bulk and single particle analysis in air pollution studies from different sources are also discussed.

Keywords: Air pollution; Heavy metals; Spruce needles; Steelmaking plant pollution

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