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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

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

Key value for chemical safety assessment

Additional information

In a 3-hr acute toxicity study sewage sludge micro-organisms were exposed to the test item at nominal concentrations of 100 mg/L. The EC50 value based on respiration rate after was > 100 mg/L after a 3 h contact time.