-To assess the relation between tap water lead and maternal blood lead concentrations and assess the exposure of infants to lead in tap water in a water supply area subjected to maximal water treatment to reduce plumbosolvency.
Design-Postal questionnaire survey and collection of kettle water from a representative sample of mothers ; blood and further water samples were collected in a random sample of households and households with raised water lead concentrations.
Subjects-1812 mothers with a live infant born between October 1991 and September 1992.
Blood lead concentrations were measured in 342 mothers.
Main outcome measures-Mean geometric blood lead concentrations and the prevalence of raised tap water lead concentrations.
17% of households had water lead concentrations of 10 mug/l (48.3 nmol/l) or more in 1993 compared with 49% of households in 1981.
Tap water lead remained the main correlate of raised maternal blood lead concentrations and accounted for 62% and 76% of cases of maternal blood lead concentrations above 5 and 10 mug/dl (0.24 and 0.48 mumol/l) respectively.
The geometric mean maternal blood lead concentration was 3.65 mug/dl (0.18 mumol/l) in a random sample of mothers and 3.16 mug/dl (0.15 mumol/l) in mothers whose tap water lead concentrations were consistently below 2 mug/l (9.7 nmol/l).
No mother in the study had a blood lead concentration above 25 mug/dl (1.21 mumol/l). (...)
Mots-clés Pascal : Eau distribution, Eau alimentation, Plomb, Saturnisme, Dosage, Plasma sanguin, Taux, Analyse quantitative, Toxicité, Santé et environnement, Femme, Homme, Mère, Enquête, Questionnaire, Ecosse, Grande Bretagne, Royaume Uni, Europe
Mots-clés Pascal anglais : Tap water, Feed water, Lead, Saturnism, Assay, Blood plasma, Rate, Quantitative analysis, Toxicity, Health and environment, Woman, Human, Mother, Inquiry, Questionnaire, Scotland, Great Britain, United Kingdom, Europe
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 96-0483247
Code Inist : 002B03M03. Création : 10/04/1997.