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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:
study report
Title:
Unnamed
Year:
1993
Report Date:
1993

Materials and methods

Test guideline
Qualifier:
no guideline followed

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

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

Study design

Test type:
static
Limit test:
no
Total exposure duration:
72 h

Test conditions

Reference substance (positive control):
no

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
1.7 mg/L
Nominal / measured:
nominal
Basis for effect:
biomass
Remarks on result:
other:
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
< 0.1 mg/L
Nominal / measured:
nominal

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable