T. Sinks et al., EXPOSURE TO BIOGENIC SILICA FIBERS AND RESPIRATORY HEALTH IN HAWAII SUGARCANE WORKERS, Journal of occupational medicine, 36(12), 1994, pp. 1329-1334
We conducted a cross-sectional environmental and medical survey of 355
male sugarcane workers in Hawaii to determine whether exposure to bio
genic silica fibers (BSF) affected their respiratory health. Exposures
to BSF ranged from nondetectable to more than 0.700 BSF/mL and varied
by job and department. Respiratory symptoms, chest radiograph finding
s, and pulmonary function were not associated with BSF exposures. Ciga
rette smoking was associated with respiratory symptoms and pulmonary o
bstruction. Fifteen workers had pleural thickening or pleural plaques
and 3 of these workers were exposed to BSF for more than 10 years. BSF
exposure does not appear to influence the respiratory health of sugar
cane workers; however, further study is warranted.