Table 1 Fiber concentrations in exposure chamber
From: Behavior of rock wool in lungs after exposure by nasal inhalation in rats
First experiment | Second experiment | |||||
|---|---|---|---|---|---|---|
Digital dust meter (count/min) | Fiber concentration (f/cm3) | Weight concentration (mg/m3) | Digital dust meter (count/min) | Fiber concentration (f/cm3) | Weight concentration (mg/m3) | |
Day 1 (n = 5) | 9861 (274) | 81.0 (19.5) | 30.0 (6.2) | 9550 (134) | 39.8 (14.3) | 24.4 (3.6) |
Day 2 (n = 5) | 9237 (197) | 72.8 (5.0) | 27.0 (7.1) | 9824 (585) | 77.4 (27.4) | 30.8 (4.6) |
Day 3 (n = 5) | 9247 (97) | 81.3 (14.9) | 33.2 (7.8) | 10419 (215) | 69.9 (20.1) | 37.2 (5.4) |
Day 4 (n = 5) | 9313 (154) | 65.0 (26.2) | 29.2 (2.3) | 9636 (1697) | 63.1 (21.6) | 24.4 (6.2) |
Day 5 (n = 5) | 9137 (81) | 86.8 (12.0) | 30.4 (4.3) | 10851 (458) | 68.5 (20.1) | 37.2 (5.0) |
Mean (n = 25) | 9257 (182.4) | 75.1 (18.0) | 30.0 (5.7) | 10042 (966) | 63.7 (23.3) | 30.5 (7.4) |