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Long-term toxicity to aquatic invertebrates

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Description of key information

No long-term toxicity studies to aquatic invertebrates are available for the test substance (‘benzene, ethylenated, by-products from’).

Key value for chemical safety assessment

Additional information

The supported uses for this substance (‘benzene, ethylenated, by-products from’) are limited to industrial closed systems and as such are not expected to lead to direct or indirect exposure to the environment. Therefore long-term aquatic invertebrate toxicity testing for the substance is not required. However, under unlikely circumstances of accidental release (e.g., unplanned event of loss of containment), soil compartment would be the most likely receiving environmental media. Therefore, Daphnia magna reproduction test (test method: EU C.20./OECD 211) is justified to be waived due to the absence of direct or indirect exposure to the aquatic environment. Regarding PBT assessment, based on acute toxicity to fish, daphnia, and long-term toxicity to algae, the test substance meets the criterion for T.