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Short term (acute) aquatic toxicity was tested using juvenile rainbow trout (Oncorhynchus mykiss), Daphnia magna and Pseudokirchneriella subcapitata strain CCAP 278/4.

The 96-h LC50 value is >47 mg/L in rainbow trout (Oncorhynchus mykiss). The No Observed Effect Concentration (NOEC) was 47 mg/L

The 48 h EC50 (immobilisation) value with Daphnia magna is 62 mg/L. The 48 h NOEC (immobilisation) value with Daphnia magna is 25 mg/L. The 48 h LOEC (immobilisation) value with Daphnia magna is 50 mg/L.

The Inhibition of Growth rate in Pseudokirchneriella subcapitata ErC50, NOEC and LOEC were 47, 25 and 50 mg/L and the Inhibition of Yield EyC50, NOEC and LOEC were 28, 12.5 and 25 mg/L respectively.

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