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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 GLP-conform short term respiration test according to OECD guideline 209, no inhibition of respiration of activated sludge was observed up to the highest concentration, tested (EC10 > 1000 mg/l, BASF SE 2008). Therefore, the inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriate low concentrations.