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  1. Pulmonary effects of simultaneous exposures to MDI formaldehyde and wood dust on workers in an oriented strand board plant.

    Article - En anglais

    A study was undertaken in a plant producing oriented strand board (OSB) from aspen and balsam wood, bonded by methylene diisocyanate (MDI) and phenol formaldehyde.

    A group of 127 production workers in the plant was compared to 165 oil workers from the same geographic area.

    Measurements of MDI ranged from 6 to 33 mug/m3 (0.001-0.003 ppm), of respirable dust ranged from 0.05 to 0.5 mg/m3, and of formaldehyde were 0.05 ppm or less.

    The ratio of forced expiratory volume in 1 second to forced vital capacity (FEV1/FVC) was significantly lower among the OSB workers compared to the oil workers, and this was more pronounced for ex-smokers and current smokers.

    A number of respiratory symptoms suggestive of airway reactivity were significantly mpore common among the OSB workers.

    It was known that changes to reduce worker exposure had been made in the plant before the study, and it is unclear whether the health effects documented were the result of these low levels or if previous, probably higher levels were responsible.

    Mots-clés Pascal : Isocyanate organique, Diisocyanate organique, Formaldéhyde, Poussière, Bois, Exposition professionnelle, Toxicité, Association toxique, Homme, Poumon pathologie, Appareil respiratoire pathologie, Fonction respiratoire, Industrie bois, Médecine travail, Diphénylméthane(4,4p-diisocyanato)

    Mots-clés Pascal anglais : Organic isocyanate, Organic diisocyanate, Formaldehyde, Dust, Wood, Occupational exposure, Toxicity, Toxic association, Human, Lung disease, Respiratory disease, Lung function, Wood industry, Occupational medicine

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

    Cote : 95-0266495

    Code Inist : 002B03L03. Création : 01/03/1996.