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. 2010 Mar;30(3):217–238. doi: 10.1177/0960327110370982

Table 6.

Properties of the fixed concentration procedure for dusts and mists (R = LC50/TC50 = 50)

LC50 identical for males and females (no gender difference)
Substance
Classification probabilities
Estimated mean no. of animals
LC50 Start concentration Slope Class 1 Class 2 Class 3 Class 4 Class 5 Tested Deaths
0.03 0.05 4 99.9 0.1 0.0 0.0 0.0 1.9 1.6
0.15 0.05 4 3.5 96.5 0.0 0.0 0.0 5.9 0.2
0.70 0.05 4 0.0 99.4 0.6 0.0 0.0 6.0 0.0
1.00 0.50 4 0.0 20.6 79.4 0.0 0.0 6.6 0.6
1.10 0.50 4 0.0 14.1 85.9 0.0 0.0 6.4 0.5
2.50 1.00 4 0.0 0.0 8.2 91.8 0.0 6.2 0.3
10.00 5.00 4 0.0 0.0 0.0 20.6 79.4 6.6 0.6
0.03 0.05 10 100.0 0.0 0.0 0.0 0.0 1.1 1.1
0.15 0.05 10 0.0 100.0 0.0 0.0 0.0 6.0 0.0
0.70 0.05 10 0.0 100.0 0.0 0.0 0.0 6.0 0.0
1.00 0.50 10 0.0 0.1 99.9 0.0 0.0 6.0 0.0
1.10 0.50 10 0.0 0.0 100.0 0.0 0.0 6.0 0.0
2.50 1.00 10 0.0 0.0 0.0 100.0 0.0 6.0 0.0
10.00
5.00
10
0.0
0.0
0.0
0.1
99.9
6.0
0.0
LC50 for females 10 times greater than LC50 for males
LC50 (M)
LC50 (F)

0.03 0.30 0.05 4 0.1 99.9 0.0 0.0 0.0 6.0 0.0
0.15 1.50 0.05 4 0.0 81.9 18.1 0.0 0.0 6.2 0.0
0.70 7.00 0.05 4 0.0 0.6 98.1 1.3 0.0 7.0 0.0
1.00 10.00 0.50 4 0.0 0.0 94.4 5.6 0.0 6.1 0.0
1.10 11.00 0.50 4 0.0 0.0 92.3 7.7 0.0 6.1 0.0
2.50 25.00 1.00 4 0.0 0.0 0.0 88.6 11.4 6.1 0.0
10.00 100.00 5.00 4 0.0 0.0 0.0 0.0 100.0 6.0 0.0
0.03 0.30 0.05 10 0.0 100.0 0.0 0.0 0.0 6.0 0.0
0.15 1.50 0.05 10 0.0 98.7 1.3 0.0 0.0 6.0 0.0
0.70 7.00 0.05 10 0.0 0.0 100.0 0.0 0.0 7.0 0.0
1.00 10.00 0.50 10 0.0 0.0 100.0 0.0 0.0 6.0 0.0
1.10 11.00 0.50 10 0.0 0.0 100.0 0.0 0.0 6.0 0.0
2.50 25.00 1.00 10 0.0 0.0 0.0 99.9 0.1 6.0 0.0
10.00 100.00 5.00 10 0.0 0.0 0.0 0.0 100.0 6.0 0.0

LC50, median lethal concentration.