期刊
ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH
卷 75, 期 7, 页码 415-421出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/19338244.2020.1743958
关键词
Endotoxin; Ethiopia; inhalable cotton dust; integrated textile factory; personal exposure
资金
- Norwegian Program for Capacity Building in Higher Education and Research for Development, Norwegian Agency for Development Cooperation (Norad)
The aim of this study was to determine personal exposure to inhalable dust and endotoxin levels among workers in an integrated cotton-processing textile factory and exposure variability across the different work sections. Full shift measurements were carried out using inhalable conical samplers with 37 mm glass-fiber filters. Personal inhalable dust was determined gravimetrically, and endotoxin levels were analyzed by kinetic chromogenic Limulus Amebocytes Lysate assay. The geometric means of personal dust and endotoxin concentrations were 0.75 mg center dot m(-3) and 831 EU center dot m(-3), respectively. The highest dust and endotoxin concentrations were observed in carding section (1.34 mg center dot m(-3) and 6,381 EU center dot m(-3), respectively). Altogether, 11% of dust and 89% of endotoxin samples exceeded workplace exposure limits. This study showed a moderate correlation between inhalable dust and endotoxin (r = 0.450, p < 0.001). Our findings indicate that low dust exposure does not guarantee a low exposure to endotoxin.
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