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  1. Respiratory symptoms and pulmonary function among wood dust-exposed joss stick workers.

    Article - En anglais

    Health hazards associated with wood dust exposure have been investigated in various industries.

    This study surveyed wood dust exposure levels and pulmonary effects among joss stick workers.

    Greater dust concentrations, as measured by six-stage cascade impactors, were observed in work areas where joss sticks were produced and incense was mixed than in other work areas.

    Total dust concentrations for these two high dust activities ranged from 9.9 to 42.7 mg/m#F3, and respirable proportions were between 2.0% and 54.6%. Higher dust levels were observed for dry joss stick production methods than for wet production methods.

    Dust levels for all other performance areas were lower than the permissible exposure level of 10 mg/m#F3.

    Although symptoms of cough and phlegm were higher in smoking workers than in nonsmoking workers, the prevalence of respiratory symptoms for exposed workers was not significantly higher than for the controls.

    The prevalence of pulmonary function deficits and the values of FEF#B2#B5#B% and FEF#B7#B5#B% in the exposed workers were significantly worse than those in the controls.

    But no difference was found between the male controls and the male exposed workers, the high-exposure group.

    Respiratory symptoms and pulmonary function also did not show a dose-response trend with the exposure levels estimated by correlation with worker job titles and duration of employment.

    No suspected case of pneumoconiosis was found from the chest radiographs.


    Mots-clés Pascal : Poussière, Bois, Exposition professionnelle, Toxicité, Homme, Poumon pathologie, Fonction respiratoire, Epidémiologie, Chine, Asie, Médecine travail, Teneur air ambiant, Lieu travail, Analyse chimique, Appareil respiratoire pathologie, Bâton encens

    Mots-clés Pascal anglais : Dust, Wood, Occupational exposure, Toxicity, Human, Lung disease, Lung function, Epidemiology, China, Asia, Occupational medicine, Ambient air concentration, Work place, Chemical analysis, Respiratory disease

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

    Cote : 96-0148434

    Code Inist : 002B03L03. Création : 199608.