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  1. Necessity of uncertainty analyses in risk assessment.

    Article - En anglais

    The potential risks to human health associated with contaminant discharges from the waste area groupings (WAGs) at Oak Ridge National Laboratory (ORNL) have been estimated and ranked.

    Human health risks are estimated using selected exposure relationships for human receptors and local contaminant concentrations associated with individual waste sites.

    The ranking of the waste areas using deterministic methods yields disparate rankings because risk assessment results are very user-specific and depend on the user's selection of models, parameter values and uncertainty about important model parameters.

    Rankings obtained without an uncertainty analysis are unreliable because of large inconsistencies in the amount of conservatism used to quantify model parameters for specific contaminant and exposure pathways.

    Mots-clés Pascal : Gestion déchet, Décharge contrôlée, Toxicité, Homme, Evaluation, Risque, Tennessee, Etats Unis, Amérique du Nord, Amérique, Principe incertitude

    Mots-clés Pascal anglais : Waste management, Sanitary landfill, Toxicity, Human, Evaluation, Risk, Tennessee, United States, North America, America, Uncertainty principle

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

    Cote : 94-0147062

    Code Inist : 002B03M01. Création : 199406.