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. 2008 Nov 14;117(3):348–353. doi: 10.1289/ehp.0800096

Table 4.

Parameters of the concentration–response curves after in vivo exposure to individual insecticides.

Insecticide Log EC50 (± SE)a R2 Slope ± SE
Diazinon 2.2 ± 0.1 0.95 −0.79 ± 0.15
Malathion 1.90 ± 0.05 0.97 −1.32 ± 0.20
Chlorpyrifos 0.30 ± 0.02 0.98 −1.50 ± 0.17
Carbaryl 2.2 ± 0.1 0.95 −0.81 ± 0.16
Carbofuran 1.80 ± 0.09 0.95 −0.82 ± 0.15
a

SE of the nonlinear regression; EC50 values are presented as μg/L.