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Outdoor and indoor cadmium distributions near an abandoned smelting works and their relations to human exposure.

Authors
  • Spurgeon, David J1
  • Lawlor, Alan
  • Hooper, Helen L
  • Wadsworth, Richard
  • Svendsen, Claus
  • Thomas, Laura D K
  • Ellis, James K
  • Bundy, Jacob G
  • Keun, Hector C
  • Jarup, Lars
  • 1 Centre for Ecology and Hydrology, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxon OX10 8BB, UK. [email protected]
Type
Published Article
Journal
Environmental pollution (Barking, Essex : 1987)
Publication Date
Dec 01, 2011
Volume
159
Issue
12
Pages
3425–3432
Identifiers
DOI: 10.1016/j.envpol.2011.08.028
PMID: 21908085
Source
Medline
Language
English
License
Unknown

Abstract

The relationship of measured or modelled Cd concentrations in soil, house dust and available to plants with human urinary Cd concentrations were assessed in a population living around a Cd/Pb/Zn smelter in the UK. Modelled air concentrations explained 35% of soil Cd variation indicating the smelter contributed to soil Cd loads. Multi-variate analysis confirmed a significant role of biological and life-style factors in determining urinary Cd levels. Significant correlations of urinary Cd with soil, house dust and modelled plant available Cd concentrations were not, however, found. Potential reasons for the absence of clear relationships include limited environmental contact in urban populations; the role of undefined factors in determining exposure; and the limited spatial scope of the survey which did not sample from the full pollution gradient. Further, the absence of any significant relationship indicates that environmental measures provide limited advantage over atmospheric model outputs for first stage human exposure assessment. Copyright © 2011 Elsevier Ltd. All rights reserved.

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