The variability of lead in dusts within the homes of young children |
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| Authors: | D P H Laxen F Lindsay G M Raab R Hunter G S Fell M Fulton |
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| Institution: | (1) Department of Geology, University of Edinburgh, West Mains Road, EH9 3JW Edinburgh, Scotland;(2) Medical Statistics Unit, University of Edinburgh, Teviot Place, EH8 9AG Edinburgh, Scotland;(3) Department of Pathological Biochemistry, The Royal Infirmary, Trace Metal Unit, Castle Street, G4 0SF Glasgow, Scotland;(4) Department of Community Medicine, University of Edinburgh, Telsoe Place, EH8 9AG Edinburgh, Scotland |
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| Abstract: | The variability of household dust lead concentration and loadings over the period of about a year has been examined in 10 homes. The overall uncertainty on a single sample is ± 65% for lead concentration and ± 81% for lead loading. Redecoration involving electric sanding and/or blow lamp preparation of painted surfaces is the major cause of variation in lead levels. The effect is short lived, levels returning to normal within 2 months of redecoration ending. There is evidence of a seasonal trend for dust loading and lead loading but not for lead concentration. The implications of these findings for blood lead — dust lead exposure studies are considered.This paper is also being published in the proceedings of the conference on  Lead in the Home Environment and is one of several selected from the SEGH sponsored conferences for republication in this journal. |
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