Temp.
in °C

Fluoride
in mg/L

Reference

Conditions

Organisms

23.8

_

Angelovic et al., 1961b

fish died from high temperature,
no LC₅₀ calculated

Onchorhynchus mykiss
rainbow trout

13.8

226

Holland et al., 1960

1 fish died in 35-h

Silver Salmon

25

5-40

Kaplan et al., 1964

hardness 12*,
no deaths

Rana pipiens, frog

25

50

Kaplan et al., 1964

hardness 12*,
5% died in 30-d

Rana pipiens, frog

25

100

Kaplan et al., 1964

hardness 12*,
25% died in 30-d

Rana pipiens, frog

25

150

Kaplan et al., 1964

hardness 12*,
35% died in 30-d

Rana pipiens, frog

25

200

Kaplan et al., 1964

hardness 12*,
63% died in 30-d

Rana pipiens, frog

25

250

Kaplan et al., 1964

hardness 12*,
100% died in 30-d

Rana pipiens, frog

25

300

Kaplan et al., 1964

hardness 12*,
100% died in 24-d

Rana pipiens, frog