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  1. Occurrence of metals in waters : an overview.

    Article - En anglais

    Presence of metals in natural, drinking and waste waters can imply two types of circumstances (depending on concentration and specific metal) : firstly, certain positive effects, especially, when the metals present in drinking water are essential for human life (e.g. Mo and Zn) ; secondly, some negative and toxicologically undesirable effects for both human consumption and the general environment (i.e. Cd, Hg).

    This paper gives an overview of outstanding aspects related to the chemical behaviour, occurrence, physiology and toxicology of the 25 metals most frequently found in waters : Aluminium, antimony, arsenic, barium, beryllium, boron, cadmium, calcium, chromium, cobalt, copper, iron, lead, lithium, magnesium, manganese, mercury, molybdenum, nickel, potassium, sodium, selenium, silver, tin and zinc.

    On the other hand, the maximum concentrations of metals in natural, drinking waters and waste waters are listed according to the actual Spanish regulations.

    Finally, references to the maximum levels of metals in drinking waters established by a recent proposal of Directive in the European Union, as well as the latest WHO's guideline values for metals have been also considered.

    Mots-clés Pascal : Eau potable, Effluent, Eau usée, Pollution, Contamination, Métal trace, Métal lourd, Molybdène, Zinc, Toxicité, Cadmium, Mercure, Hydrochimie, Espagne, Europe, Législation, Aluminium, Lac artificiel, Stratification, Arsenic, Antimoine, Chrome, Cobalt, Cuivre, Fer, Plomb, Argent, Etain, Potassium, Sodium, Calcium, Baryum, Bore, Béryllium, Santé publique, Lithium, Magnésium, Manganèse, Nickel, Sélénium

    Mots-clés Pascal anglais : drinking water, sewage, waste water, pollution, contamination, trace metals, heavy metals, molybdenum, zinc, toxicity, cadmium, mercury, hydrochemistry, Spain, Europe, legislation, aluminum, reservoirs, stratification, arsenic, antimony, chromium, cobalt, copper, iron, lead, silver, tin, potassium, sodium, calcium, barium, boron, beryllium, lithium, magnesium, manganese, nickel, selenium

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

    Cote : 96-0144633

    Code Inist : 001E01O04. Création : 199608.