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Diss Factsheets

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:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study with acceptable restrictions

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Unnamed
Year:
1997
Reference Type:
secondary source
Title:
Unnamed
Year:
2001

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 201 (Alga, Growth Inhibition Test)
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
yes

Test organisms

Test organisms (species):
other: Scenedesmus obliquus

Study design

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

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
18.1 mg/L
Nominal / measured:
not specified
Conc. based on:
test mat.
Basis for effect:
growth rate

Applicant's summary and conclusion