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Long-term toxicity to aquatic invertebrates

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Description of key information

Chronic toxicity against aquatic invertebrates Key study: Cerbelaud 1997 because of GLP.

Key value for chemical safety assessment

Additional information

In the long-term studies the 21d NOEC values are quite low. It would appear that the result obtained with TDI (NOEC 1.1 mg/l) is probably due to the toxicity of TDA. The concentration of TDA was measured throughout the study and found to be 0.39 mg/l at the end point. This concentration is consistent with the 21d NOEC (reproduction) value of 0.282 mg/l found for TDA with Daphnia magna.