Table 3 Personal total dust exposure levels by work section among paper factory workers (N = 40)
Work section (Task) | Range (mg/m3) | Mean (± SD) (mg/m3) | GM (± GSD) (mg/m3) | N above OEL (10 mg/m3) |
|---|---|---|---|---|
Raw material preparation | ||||
(Factory A) | 6.8–14.5 | 10 (± 2.8) | 9.7 (± 1.3) | 3 (30%) |
Production room | ||||
Factory A | 7.5–16 | 11.3 (± 2.9) | 11 (± 1.3) | 7 (70%) |
Factory B Both Factory A and B | 7.3–55.8 7.3–55.8 | 15.1 (± 14.7) 13.2 (± 10.5) | 12 (± 1.9) 11.5 (± 1.6) | 5 (50%) 12 (60%) |
Cone production | ||||
Factory B | 7.7–9.8 | 8.6 (± 0.7) | 8.6 (± 4.8) | 0 (0%) |
Factory A | 6.8–16 | 10.7 (± 2.8) | 10.3 (± 1.3) | 10 (50%) |
Factory B | 7.3–55.8 | 11.8 (± 10.7) | 10.1 (± 1.8) | 5 (25%) |
Both Factory A and B | 6.8–55.8 | 11.3 (± 7.7) | 10.2 (± 1.4) | 15 (37.5%) |