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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. 

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Additional information

In a guideline study set up according to OECD guideline 209 domestic activated sludge was used as inoculum. The respiration rate was not affected after 30 minutes exposure up to a substance concentration of 1000 mg/l (BASF AG 1999).