Lead from dust and water as exposure sources for children.
Data from the Edinburgh Lead Study are used to estimate the respective contributions of water and dust lead to blood lead in 6-9 year old children. Both sources are significantly related to blood lead. An exposure of 100 μg/l in kitchen cold water is estimated to be equivalent to 2700 μg/g of lead in dust. In this population water is a more important source of lead than dust for the bulk of the population.
Medical Statistics Unit, University of Edinburgh, Teviot Place, EH8 9AG, Edinburgh.
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Raab
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Laxen
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Fulton