Table 1 Asbestos exposure levels in the air at asbestos textile factories in Korea (1984–1992)
From: Ovarian cancer in a former asbestos textile factory worker: a case report
Period | Level of exposure (geometric mean, fiber/cc) | Range of exposure (fiber/cc) | Number of measurement workplaces | Reference |
|---|---|---|---|---|
1984 | 6.28 | 0.62–30.73 | 6 | 18 |
1987 | 4.8 | 0.20–45.8 | 7 | 19 |
1987 | 4.4 | 1.30–14.3 | 7 | 17 |
1988 | 2.26 | 0.10–17.30 | 4 | 15 |
1992 | 1.42 | 0.07–6.10 | 7 | 15 |
1992 | 0.26 | 0.06–5.04 | 3 | 20 |