Treatment EC50
(filaments mL-1)
95% Confidence interval (filaments mL-1)
A. Culture of C. raciborskii in ASM-1 24.4 16.1-36.9
B. Cell concentrate in Daphnia medium 74.5 53.5-103.9
C. Cell sonicated 3605 2332-5572
Table 3: Results of the acute toxicity tests with Daphnia.