Table 3.
Classification probabilities and expected numbers of animals and deaths for the fixed concentration procedure (FCP) with the new sighting study for dusts and mists assuming males are more sensitive (see text for more details)
| LC50 for females ten times greater than for males | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Substance |
Classification probabilities |
Mean no. animals |
|||||||
| LC50 (females) | LC50 (males) | Slope | Class 1 | Class 2 | Class 3 | Class 4 | Class 5 | Tested | Deaths |
| 0.3 | 0.03 | 4.0 | 92.9 | 7.1 | 0.0 | 0.0 | 0.0 | 3.0 | 1.3 |
| 1.5 | 0.15 | 4.0 | 3.5 | 96.1 | 0.4 | 0.0 | 0.0 | 7.2 | 0.4 |
| 7.0 | 0.70 | 4.0 | 0.0 | 57.5 | 40.3 | 2.0 | 0.2 | 10.7 | 1.3 |
| 10.0 | 1.00 | 4.0 | 0.0 | 20.4 | 78.1 | 1.0 | 0.5 | 7.8 | 0.7 |
| 11.0 | 1.10 | 4.0 | 0.0 | 14.0 | 84.0 | 1.4 | 0.5 | 7.7 | 0.6 |
| 25.0 | 2.50 | 4.0 | 0.0 | 0.0 | 8.1 | 90.9 | 0.9 | 7.5 | 0.4 |
| 100.0 | 10.00 | 4.0 | 0.0 | 0.0 | 0.0 | 19.9 | 80.1 | 7.5 | 0.6 |
| 0.3 | 0.03 | 10.0 | 99.7 | 0.3 | 0.0 | 0.0 | 0.0 | 2.1 | 1.0 |
| 1.5 | 0.15 | 10.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 7.0 | 0.0 |
| 7.0 | 0.70 | 10.0 | 0.0 | 11.3 | 88.7 | 0.0 | 0.0 | 9.2 | 0.4 |
| 10.0 | 1.00 | 10.0 | 0.0 | 0.1 | 99.9 | 0.0 | 0.0 | 7.0 | 0.0 |
| 11.0 | 1.10 | 10.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 7.0 | 0.0 |
| 25.0 | 2.50 | 10.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 7.0 | 0.0 |
| 100.0 | 10.00 | 10.0 | 0.0 | 0.0 | 0.0 | 0.1 | 99.9 | 7.0 | 0.0 |