The variability of polychlorinated biphenyls levels in urban soils from five European cities

A. Cachada, L. V. Lopes, A. S. Hursthouse, M. Biasioli, H. Grcman, E. Otabbong, C. M. Davidson, A. C. Duarte

Research output: Contribution to journalArticle

Abstract

The concentration of PCBs in topsoils from five European cities was assessed and the highest levels were found in Glasgow (Scotland), followed by Torino (Italy), Aveiro (Portugal), Ljubljana (Slovenia) and Uppsala (Sweden). All cities showed the presence of local sources in addition to diffuse contamination from global atmospheric transport. The association of general soil parameters with PCBs in Glasgow and with heavier congeners in Torino and Ljubljana indicates that retention of these compounds is occurring. The profiles obtained resemble Aroclor 1254 and 1260, which are important local sources. Nevertheless, differences in PCB profiles were observed among cities, due to the combined effects of the age of the contamination (which determines the time available for volatilisation and degradation), different sources of PCBs and differences in climate (which influence volatilisation and deposition).
LanguageEnglish
Pages511-518
JournalEnvironmental Pollution
Volume157
Issue number2
DOIs
StatePublished - Feb 2009

Keywords

  • Urban soils
  • Polychlorinated biphenyls
  • Congener profiles
  • Source identification

Cite this

Cachada, A., Lopes, L. V., Hursthouse, A. S., Biasioli, M., Grcman, H., Otabbong, E., ... Duarte, A. C. (2009). The variability of polychlorinated biphenyls levels in urban soils from five European cities. Environmental Pollution, 157(2), 511-518. DOI: 10.1016/j.envpol.2008.09.002
Cachada, A. ; Lopes, L. V. ; Hursthouse, A. S. ; Biasioli, M. ; Grcman, H. ; Otabbong, E. ; Davidson, C. M. ; Duarte, A. C./ The variability of polychlorinated biphenyls levels in urban soils from five European cities. In: Environmental Pollution. 2009 ; Vol. 157, No. 2. pp. 511-518
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Cachada, A, Lopes, LV, Hursthouse, AS, Biasioli, M, Grcman, H, Otabbong, E, Davidson, CM & Duarte, AC 2009, 'The variability of polychlorinated biphenyls levels in urban soils from five European cities' Environmental Pollution, vol 157, no. 2, pp. 511-518. DOI: 10.1016/j.envpol.2008.09.002

The variability of polychlorinated biphenyls levels in urban soils from five European cities. / Cachada, A.; Lopes, L. V.; Hursthouse, A. S.; Biasioli, M.; Grcman, H.; Otabbong, E.; Davidson, C. M.; Duarte, A. C.

In: Environmental Pollution, Vol. 157, No. 2, 02.2009, p. 511-518.

Research output: Contribution to journalArticle

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T1 - The variability of polychlorinated biphenyls levels in urban soils from five European cities

AU - Cachada,A.

AU - Lopes,L. V.

AU - Hursthouse,A. S.

AU - Biasioli,M.

AU - Grcman,H.

AU - Otabbong,E.

AU - Davidson,C. M.

AU - Duarte,A. C.

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AB - The concentration of PCBs in topsoils from five European cities was assessed and the highest levels were found in Glasgow (Scotland), followed by Torino (Italy), Aveiro (Portugal), Ljubljana (Slovenia) and Uppsala (Sweden). All cities showed the presence of local sources in addition to diffuse contamination from global atmospheric transport. The association of general soil parameters with PCBs in Glasgow and with heavier congeners in Torino and Ljubljana indicates that retention of these compounds is occurring. The profiles obtained resemble Aroclor 1254 and 1260, which are important local sources. Nevertheless, differences in PCB profiles were observed among cities, due to the combined effects of the age of the contamination (which determines the time available for volatilisation and degradation), different sources of PCBs and differences in climate (which influence volatilisation and deposition).

KW - Urban soils

KW - Polychlorinated biphenyls

KW - Congener profiles

KW - Source identification

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Cachada A, Lopes LV, Hursthouse AS, Biasioli M, Grcman H, Otabbong E et al. The variability of polychlorinated biphenyls levels in urban soils from five European cities. Environmental Pollution. 2009 Feb;157(2):511-518. Available from, DOI: 10.1016/j.envpol.2008.09.002