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FMMVF fibres have no short-term toxicity to fish. No mortality or behavioural effects were observed during the guideline test. TheLC10 and LC50values are thus indicated as > 1.60 mg/L (>1000 mg/L nominal concentration).

The short-term toxicity to fish test presented in the end-point 6.1.1 showed that FMMVF fibres have no adverse effects to fish. Furthermore, the substance is highly insoluble in water as presented in the end-point 4.8. Consequently, no adverse effect to fish is expected on long-term from the substance and thus carrying out such a study is not scientifically justified.

It is documented in the end-point 6.1.3 that FMMVF fibres did not show acute toxicity to Daphnia magna at the highest tested dose level (1000 mg/L). Thus NOEL >= 1000 mg/L.

The end-point 6.1.4. (long-term toxicity to aquatic invertebrates) study is waived as the study scientifically unjustified. The short term toxicity test to aquatic invertebrates demonstrates that FMMVF fibres have no negative effects to invertebrates. In addition, the substance is highly insoluble in water. It is thus concluded that no adverse effect to invertebrates is expected on long-term from the substance.

It is shown that the test substance did not induce acute toxicity to algae (Pseudokirchneriella subcapitata) at the highest tested dose level (1000 mg/L). Thus NOEL >= 1000 mg/L.

The end-point 6.1.7 (toxicity to microorganisms) study is waived based on adaptation according to column 2 of Annex VIII, 9.1.4, because FMMVF fibres are highly insoluble in water.

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