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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
other:
Title:
Unnamed
Year:
1996
Report Date:
1996

Materials and methods

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

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

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

Study design

Test type:
not specified
Water media type:
freshwater
Limit test:
no
Total exposure duration:
72 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
4 mg/L
Conc. based on:
test mat.
Basis for effect:
biomass
Remarks on result:
other:
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
12.2 mg/L
Conc. based on:
test mat.
Basis for effect:
growth rate
Remarks on result:
other:
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
< 1 mg/L
Basis for effect:
biomass
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
3.2 mg/L
Basis for effect:
growth rate

Applicant's summary and conclusion