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Long-term toxicity to aquatic invertebrates

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Description of key information

No reliable long-term toxicity data are available for the toxicity of ethyl-(S)-lactate to aquatic invertebrates. However, a waiver is applied for this endpoint.

Key value for chemical safety assessment

Additional information

Under column 2 of the Annex IX of Regulation (EC) No 1907/2006 the specific rules for adaptation from column 1 are that the long-term toxicity testing shall be proposed by the registrant if the chemical safety assessment according to Annex I indicates the need to investigate further the effects on aquatic invertebrates. 

Testing is waived since no adverse effects of ethyl-(S)-lactate were observed in a short-term toxicity test with the freshwater crustacean Daphnia magna at concentration up to 100 mg/L, the limit concentration. Further, ethyl-(S)-lactate is readily biodegradable (see section 5.2.1) and as a consequence, no chronic exposure of aquatic invertebrates is expected.

Therefore, and for reasons of animal welfare, a long-term toxicity study in aquatic invertebrates is not provided.