Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1997

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method C.3 (Algal Inhibition test)
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: Aucun

Test organisms

Test organisms (species):
Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)

Study design

Limit test:
yes
Total exposure duration:
72 h

Test conditions

Hardness:
24 mg CaCO3/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
72
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
biomass
Remarks on result:
other: other information is unknown
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
growth rate
Remarks on result:
other: other information is unknown
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
100 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
growth rate
Remarks on result:
other: other information is unknown
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
100 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
biomass
Remarks on result:
other: other information is unknown
Details on results:
%Concentration loss over test: ... 1

Applicant's summary and conclusion