Linkage between solid-phase apportionment and bioaccessible arsenic, chromium and lead in soil from Glasgow, Scotland, UK
- Wragg, Joanna
- Broadway, Andrew
- Cave, Mark R.
- Fordyce, Fiona M.
- Palumbo-Roe, Barbara
- Beriro, Darren J.
- Farmer, John G.
- Graham, Margaret C.
- Ngwenya, Bryne T.
- Bewley, Richard J. F.
DOIAbstract
The chemical composition of soil from the Glasgow (UK) urban area was used to identify the controls on the availability of potentially harmful elements (PHEs) in soil to humans. Total and bioaccessible concentrations of arsenic (As), chromium (Cr) and lead (Pb) in 27 soil samples, collected from different land uses, were coupled to information on their solid-phase partitioning derived from sequential extraction data. The total element concentrations in the soils were in the range <0.1–135mgkg–1 for As; 65–3680mgkg–1 for Cr and 126–2160mgkg–1 for Pb, with bioaccessible concentrations averaging 27, 5 and 27% of the total values, respectively. Land use does not appear to be a predictor of contamination; however, the history of the contaminatio...
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