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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriate low concentrations.

Key value for chemical safety assessment

Additional information

As key study concerning acute toxicity to microorganisms a GLP test performed by BASF (19 96) according to OECD guideline 209 was identified, using domestic activated sludge as inoculum. In the static test an EC20 of 900 mg/L after 30 minutes of exposure was estimated.