Registration Dossier

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
yes
Remarks:
Reconstituted water

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
48 h

Test conditions

Hardness:
196.0 mg/L CaCO3
Test temperature:
20
Nominal and measured concentrations:
0.6, 1.3, 2.9, 6.4, 14.1 and 30.9 mg/L
Reference substance (positive control):
yes
Remarks:
potassium dichomate

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
9 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Results with reference substance (positive control):
48 h EC50 0.26 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
yes