Measurements of asbestos dust concentration (mg/m3) by workshop in 2006
| Workshop | Samples | Geometric mean | Range |
|---|---|---|---|
| Mining quarry | 5 | 5.3 | 0.6–17.3 |
| Milling plant 1 | 4 | 48.2 | 12.5–196.7 |
| Milling plant 2 | 4 | 84.3 | 31.5–128.0 |
| Milling plant office | 3 | 9.7 | 6.3–21.3 |
| Package site | 3 | 8.4 | 4.3–13.7 |
| Maintenance area | 6 | 2.4 | 0.3–5.8 |
| Transportation site | 3 | 2.4 | 0.8–5.1 |