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  1. Evaluation of the potential for health effects due to short-term emissions of metals from incinerators.

    Article, Communication - En anglais

    International Congress on Combustion By-Products. Dayton, OH, USA, 1997/06/25.

    Half-hour ground level concentrations (GLCs) resulting from worst case emissions of five metals from three types of incinerators were determined assuming that worst case dispersion occurred.

    For a hazardous waste incinerator (HWI), the metals'GLCs were determined for two situations with extreme assumptions : (1) all of the particulate emissions were composed of a single metal and (2) 5% of the total feed to the incinerator was a single metal.

    Metal GLCs were also calculated for the HWI, a municipal waste combustor (MWC), and a medical waste incinerator (MWI) under two scenarios : (1) assuming an emergency bypass of the air pollution control equipment (APCE) and (2) using the maximum metals emissions in a comprehensive U.S. database.

    These GLCs were compared with Immediately Dangerous to Life and Health (IDLH) standards that protect workers from potentially dangerous short-term exposures.

    The IDLH levels were greater than the maximum one-half hour GLCs by at least a factor of 26, and in most cases by a factor of thousands.

    Since short-term metal emissions will not cause adverse health effects, regulators can focus on chronic hazards from metals.

    Long averaging times, such as weeks or months, can be specified.

    Real-time emissions data are not needed, so continuous samplers with periodic analysis provide adequate monitoring information.

    Mots-clés Pascal : Déchet solide, Déchet dangereux, Déchet hospitalier, Déchet urbain, Traitement déchet, Traitement thermique, Incinération, Pollution air, Emission polluant, Métal lourd, Cadmium, Chrome, Mercure, Plomb, Arsenic, Teneur air ambiant, Teneur émission, Analyse risque

    Mots-clés Pascal anglais : Solid waste, Hazardous waste, Hospital waste, Urban waste, Waste treatment, Heat treatment, Incineration, Air pollution, Pollutant emission, Heavy metal, Cadmium, Chromium, Mercury, Lead, Arsenic, Ambient air concentration, Emission content, Risk analysis

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

    Cote : 98-0464006

    Code Inist : 001D16C04A. Création : 19/02/1999.