Registration Dossier

Ecotoxicological information

Toxicity to microorganisms

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

No data are available for the substance.  A proprietary guideline ASRIT study is available for HF; a number of supporting studies are reported in the EU RAR.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
510 mg/L

Additional information

A guideline-compliant Bayer study summarised in the EU RAR reports a 3 -hour NOEC of 510 mg/L for HF on activated sludge. The EU RAR summarises and reviews the other available data on the toxicity of fluoride to aquatic microorganisms; NOEC values of between 7.1 -226 mg/L are reported.