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Sediment toxicity

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Description of key information

Waiving based on exposure and Chemical Safety Assessment

Key value for chemical safety assessment

Additional information

According to Column 2 of REACH annex X the test if the results of the chemical safety assessment indicates no need to investigate further the effects of the substance and/or relevant degradation products on sediment organisms.

The substance is very poorly soluble in water and readily biodegradable. The equilibrium partitioning method, following a fugacity model III indicate a partition of the substance on sediments of 3.44 %, based on high Kow.

But based on results of bacteria inhibition and biodegradability, it is not previewd a toxicity effect on sediment organisms.

It is assumed that water exposure will not occur because the exposure scenarios is focused only on industrial application where all waste, when present, is sent to STP. (See annex in the "Long term toxicity to fish" end point summary)