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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

OECD 209 Activated sludge respiration inhibition 3 hour EC50 314 mg/L, EC10 71 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
314 mg/L
EC10 or NOEC for microorganisms:
71 mg/L

Additional information

The toxicity of the test item DimerFA_PEPA_PAA (batch no.: BB 001694 V1) to activated sludge was determined in accordance with OECD Test Guideline 209 at Akzo Nobel, Arnhem, The Netherlands.

 

The toxicity of DimerFA_PEPA_PAAto activated sludge was determined at a contact time of 3 hours, using various concentrations of the test substance.

 

The EC50of DimerFA_PEPA_PAAfor activated sludge after 3 hours contact time is 314 mg/L. The EC10 and EC20valuesare 71 and 118 mg/L, respectively.

 

DimerFA_PEPA_PAAis therefore considered not harmful to activated sludge.

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