Registration Dossier

Diss Factsheets

Ecotoxicological information

Toxicity to microorganisms

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

Key study:- Clarke (2011b) 'CN-3384A: Assessment of the inhibitory effect on the respiration of activated sewage sludge' conducted in line with OECD Guideline 209, EU Method C11 and EPA OPPTS 850.6800. The 3 hour EC50 was determined to be >1000 mg/L and the NOEC was determined to be 1000 mg/L.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
1 000 mg/L

Additional information

The key study was performed in compliance with GLP and to OECD Guideline 209, EU Method C.11 and EPA OPPTS 850.6800 with a sufficient level of detail to assess the quality of the study. The study was performed to a good standard in line with an accepted, standardised guideline and was assigned a reliability score of 1 using the criteria for assessing data quality as set out in Klimisch (1997).