Source apportionment by positive matrix factorization on elemental concentration obtained in PM10 and biomonitors collected in the vicinities of a steelworks

Journal Article (2016)
Author(s)

J. Murias Gomes Lage (Lisbon Technical University, TU Delft - RST/Applied Radiation & Isotopes)

Hubert Th. Wolterbeek (TU Delft - RST/Radiation, Science and Technology)

Miguel A. Reis (Lisbon Technical University)

Paula C. Chaves (Lisbon Technical University)

Sílvia Garcia (Instituto de Soldadura e Qualidade)

Susana Marta Almeida (Lisbon Technical University)

Department
RST/Radiation, Science and Technology
DOI related publication
https://doi.org/10.1007/s10967-016-4751-3
More Info
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Publication Year
2016
Language
English
Department
RST/Radiation, Science and Technology
Issue number
1
Volume number
309
Pages (from-to)
397-404

Abstract

The objective of this study was to assess the impact of steelworks emissions in its vicinity through chemical element analysis. Two approaches were used: instrumental monitoring and biomonitoring using transplanted lichens. Element contents in filters and lichens were determined by k0-INAA and PIXE and sources identification was performed by the receptor model positive matrix factorization. PM10 data indicated that the steelworks has an important impact on the air quality, having several sources associated with its processes been identified. Lichen analyses showed that this impact decrease significantly with the distance to the factory.

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