Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Adequacy of study:
other information

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Annex V, C3
GLP compliance:
yes

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: Stock solution prepared in acetone. Ultrasonication of stock
solution for 5 min. No indication about final acetone
concentration.

Test organisms

Test organisms (species):
Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)

Study design

Limit test:
no
Total exposure duration:
72 h

Test conditions

Hardness:
34 mg CaCO3/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
> 0.4 mg/L
Basis for effect:
biomass
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
> 0.4 mg/L
Basis for effect:
growth rate
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
0.2 mg/L
Basis for effect:
growth rate
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
0.2 mg/L
Basis for effect:
biomass

Applicant's summary and conclusion