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  • Title: Respiratory effects of cotton dust exposure in the cotton garnetting industry.
    Author: Kawamoto MM, Garabrant DH, Held J, Balmes JR, Patzman J, Dimick DV, Simonowitz JA, Bernstein L.
    Journal: Am J Ind Med; 1987; 11(5):505-15. PubMed ID: 3591802.
    Abstract:
    We measured exposures to total dust, vertically elutriated dust, and endotoxin and studied acute pulmonary responses among 128 workers in the cotton garnetting and mattress assembly industries. Previous studies in this segment of industry have not characterized endotoxin exposures or related them to pulmonary responses. The median 8-hour time-weighted average total dust was 0.72 mg/m3, the median vertically elutriated dust was 0.22 mg/m3, and the median endotoxin concentration was 5.2 ng/m3. Ten percent of the subjects reported chest tightness or dyspnea on Mondays. Thirteen percent of the subjects reported symptoms of chronic bronchitis. Although there was no relationship between changes in pulmonary function across the workshift and either total dust, vertically elutriated dust, or endotoxin exposure, 13% of the subjects had greater than 5% decrements in FEV1 over the workshift.
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