Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Currently viewing:

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1982
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The test procedure is in line with national standard methods with acceptable limitations.

Data source

Reference
Reference Type:
publication
Title:
Vergelijkend kortdurend toxiciteitsonderzoek aan een 15-tal chemische verbindingen met zoetwaterorganismen van verschillende trofische niveaus
Author:
Slooff W
Year:
1982
Bibliographic source:
rijksinstituut voor drinkwatervoorziening; rid-mededeling

Materials and methods

Test guideline
Qualifier:
equivalent or similar to
Guideline:
other: NEN-6506 (1980)
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Selenastrum sp.

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
96 h

Test conditions

Test temperature:
26 +/- 3°C

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
75 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate

Applicant's summary and conclusion