SOURCES AND PATHWAYS OF ENVIRONMENTAL LEAD TO CHILDREN IN A DERBYSHIRE MINING VILLAGE

被引：95

作者：

COTTERHOWELLS, J

THORNTON, I

机构：

[1] Environmental Geochemistry Research, Centre for Environmental Technology, Royal School of Mines, Imperial College of Science, Technology and Medicine, London

来源：

ENVIRONMENTAL GEOCHEMISTRY AND HEALTH | 1991年 / 13卷 / 02期

关键词：

D O I：

10.1007/BF01734304

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Garden soil and housedust samples, from households in a Derbyshire village closely associated with historic lead mining, have highly elevated lead levels. Handwipe samples from children also have relatively high lead concentrations suggesting that elevated levels of lead are transferred to the child by the soil-dust-hand-mouth pathway. However, this is not reflected in their blood lead concentrations which are within normal UK ranges and less than predicted by some lead exposure models. SEM analysis of soil grains has revealed that many are composed of pyromorphite [Pb5(PO4)3Cl], a stable soil-lead mineral. This mineral is formed from the weathering of galena [PbS] but it is not clear to what extent weathering has occurred in the soil. Pyromorphite has an extremely low solubility which may contribute to a low human bioavailability of lead in these soils, resulting in the lower than expected blood lead concentrations.

引用

页码：127 / 135

页数：9

共 30 条

[1] Barltrop D., Strehlow C.D., Thornton I., Webb J.S., Significance of high soil lead concentrations for childhood lead burdens, Environ. Health Perspec., 7, pp. 75-84, (1974)
[2] Barltrop D., Meek F., The adsorption of different lead compounds, Postgrad. Med. J., 51, pp. 805-809, (1975)
[3] Barltrop D., Strehlow C.D., Thornton I., Webb J.S., The absorption of lead from dust and soil, Postgrad. Med. J., 51, pp. 801-804, (1975)
[4] Chamberlain A.C., Heard M.J., Little P., Newton D., Wells A.C., Wiffen R.D., Investigations into Lead from Motor Vehicles, (1978)
[5] Colboum P., Thornton I., Lead pollution in agricultural soils, J. Soil Sci., 29, pp. 513-526, (1978)
[6] Culbard E.B., Thornton I., Watt J., Wheatley M., Moorcroft S., Thompson M., Metal contamination in British urban dusts and soils, J. Environ. Qual., 17, pp. 226-234, (1988)
[7] Davies B.E., Elwood P.C., Gallacher J., Ginnever R.C., The relationship between heavy metals in garden soils and housedusts in an old lead mining area of North Wales, Great Britain, Environ. Pollut., 9, pp. 255-266, (1985)
[8] Davies D.J.A., Watt J.M., Assessment of the quantity and significance of lead on the hands of inner-city children in the United Kingdom, Trace Substances in Environmental Health — XX, pp. 334-344, (1986)
[9] Davies D.J.A., Thornton I., The influence of house age on lead levels in dusts and soils in Brighton, England, Environ. Geochem. Health, 9, pp. 65-67, (1987)
[10] Davies D.J.A., Thornton I., Watt J.M., Culbard E.B., Harvey P.G., Delves H.T., Sherlock J.C., Smart G.A., Thomas J.F.A., Quinn M.J., Lead intake and blood lead in two-year-old UK urban children, Sci. Total Environ., 90, pp. 13-29, (1990)

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