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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 to biological treatment plants in appropriate low concentrations.

Key value for chemical safety assessment

Additional information

A GLP guideline according OECD 209 has been conducted using municipal Activated sludge (BASF SE 2017). After 3 h of exposure the inhibition of oxygen consumption was determined. No effects could be detected, therefore the EC10, EC20, EC50 and EC80 were determined to be > 1000 mg/L.