Registration Dossier

Diss Factsheets

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
other: collection of data
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
publication
Title:
Results of the harmful effects of water pollutants to green algae (Scenedesmus subspicatus) in the cell multiplication inhibition test.
Author:
Kuhn, R. and Pattard, M.
Year:
1990
Bibliographic source:
Kuhn, R. and Pattard, M. 1990. Results of the harmful effects of water pollutants to green algae (Scenedesmus subspicatus) in the cell multiplication inhibition test. Wat. Res. 24(1):31-38.

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: DIN 38412, Part 1 & 9
Qualifier:
according to guideline
Guideline:
OECD Guideline 201 (Alga, Growth Inhibition Test)

Test material

Test material form:
liquid

Test organisms

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

Results and discussion

Effect concentrations
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
>= 6.5 - <= 14 mg/L
Nominal / measured:
nominal
Basis for effect:
other: biomass and growth rate

Applicant's summary and conclusion