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CISDOC database

Document ID (ISN)53124
CIS number 90-172
ISSN - Serial title 0007-1072 - British Journal of Industrial Medicine
Year 1989
Convention or series no.
Author(s) Osterman J.W., Greaves I.A., Smith T.J., Hammond S.K., Robins J.M., ThÚriault G.
Title Work related decrement in pulmonary function in silicon carbide production workers
Bibliographic information Oct. 1989, Vol.46, No.10, p.708-716. Illus. 36 ref.
Abstract The relation between pulmonary function, cigarette smoking, and exposure to mixed respirable dust containing silicon carbide (SiC), hydrocarbons, and small quantities of other particles was evaluated in 156 SiC production workers using linear regression models on the difference between measured and predicted FEV1 and FVC. Workers had an average of 16 years of employment and 9.5mg-year/m3 cumulative respirable dust exposure. Significant decrements in FEV1 (8.2mL) and FVC (9.4mL) were related to each year of employment for the entire group. Never smokers lost 17.8mL and 17.0mL, respectively, whereas corresponding decrements of 9.1mL and 14.4mL, respectively, were found in current smokers. Similar losses in FEV1 and FVC were related to each mg-year/m3 of cumulative dust exposure for 138 workers with complete exposure information; these findings, however, were generally not significant. Never smokers had large decrements in FEV1 (40.7mL) and FVC (32.9mL) per mg-year/m3 of cumulative dust exposure and non-significant decrements were found in current smokers. A non-significant decrement in lung function was also related to average dust exposure while employed. These findings suggest that current permissible exposure limits for dusts may not adequately protect workers in this industry.
Descriptors (primary) carbides; silicon; respirable dust; harmful substances; functional respiratory disorders
Descriptors (secondary) silicon carbide; smoking; respiratory function tests; mixed dust; occupation disease relation
Document type D - Periodical articles
Subject(s) Dust, aerosols and related diseases
Broad subject area(s) Chemical safety
Browse category(ies) Diseases of the respiratory system (except for pneumoconiosis & similar)
Silicon compounds
Inorganic substances