From: Carbon nanotube dosimetry: from workplace exposure assessment to inhalation toxicology
Exposure | Total lung burden per day (ng) | Alveolar lung burden per day (ng) | Total alveolar burden (μg) | Alveolar lung burden compared to human exposed at 10 μg/m 3for 8 h |
---|---|---|---|---|
Daily (cumulative) | ||||
5 mg/m3 for 5 h/d for 19 d | 2340 | 1970 | 37.43 | 1000 days (76 years) |
0.5 mg/m3 for 5 h/d for 19 d | 234 | 197 | 3.74 | 100 days (7.6 years) |
0.5 mg/m3 for 0.5 h/d for 19 d* | 23.4 | 19.7 | 0.37 | 10 days (0.76 years) |