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  1. Is lead in tap water still a public health problem ? An observational study in Glagow.

    Article - En anglais

    Objective

    -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.

    Setting-Loch Katrine water supply area, Glasgow

    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.

    Results

    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

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 96-0483247

    Code Inist : 002B03M03. Création : 10/04/1997.