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Pulmonary function in relation to total dust exposure at a bauxite refinery and alumina-based chemical products plant

Journal Article · · Am. Rev. Respir. Dis.; (United States)
OSTI ID:5682367
; ; ; ;
A cross-sectional study of 1,142 male employees at the Arkansas Operations of a large aluminum production company examined the effect on pulmonary function of chronic exposure to total dust produced in the mining and refining of bauxite and the production of alumina chemicals. Never smokers, ex-smokers, and current smokers were analyzed separately. Among never smokers, a pattern of decreasing FEV1 was observed in relation to increasing duration and cumulative total dust exposure. Among never smokers with cumulative total dust exposures of greater than or equal to 100 mg/m3 yr and greater than or equal to 20 yr of exposure, there was a mean reduction from the predicted FEV1 of 0.29 to 0.39 L, in addition to a 3- to 4-fold excess of observed/expected numbers of subjects with FEV1 less than 80% of predicted. These results were observed relative to an external and an internal comparison group. Among current smokers, the deviations from predicted and the excess numbers of subjects with FEV1 less than 80% of predicted were larger in all exposure groups than for the never smokers. However, the quality of the smoking data was inadequate to allow separation of the effects of smoking and dust exposure.
OSTI ID:
5682367
Journal Information:
Am. Rev. Respir. Dis.; (United States), Journal Name: Am. Rev. Respir. Dis.; (United States) Vol. 6; ISSN ARDSB
Country of Publication:
United States
Language:
English

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Related Subjects

560306* -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AEROSOLS
AIR POLLUTION
ALUMINIUM
BODY
CHEMICAL INDUSTRY
CHRONIC EXPOSURE
COLLOIDS
DISPERSIONS
DUSTS
DYNAMIC FUNCTION STUDIES
ELEMENTS
HAZARDS
HEALTH HAZARDS
INDOOR AIR POLLUTION
INDUSTRY
LUNGS
METALS
OCCUPATIONAL EXPOSURE
ORGANS
POLLUTION
RESIDUES
RESPIRATORY SYSTEM
SMOKES
SOLS
TOBACCO SMOKES
TOXICITY