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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

In an OECD 209 study the respiration inhibition of sewage sludge was calculated as EC50 > 1000 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
1 000 mg/L

Additional information

The key value has to be understood as > 1000 mg/L as there was no effect up to the highest test concentration of 1000 mg/L.