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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

There is one guideline study available investigating changes in the respiration rate of activated sludge in presence of the test substance. The study was set up according to ISO 8192 (Test for Inhibition of Oxygen Consumption by Activated Sludge) with domestic activated sludge as inoculum. The respiration rate was not affected after 30 minutes exposure up to a nominal substance concentration of 800 mg/L.