Registration Dossier

Ecotoxicological information

Long-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1995
Report Date:
1995

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
other:
Deviations:
yes
Qualifier:
according to
Guideline:
EPA OTS 797.1330 (Daphnid Chronic Toxicity Test)
Deviations:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
flow-through
Water media type:
freshwater
Limit test:
no
Total exposure duration:
21 d

Test conditions

Reference substance (positive control):
no

Results and discussion

Effect concentrationsopen allclose all
Duration:
20 d
Dose descriptor:
EC50
Effect conc.:
9.6 µg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality
Remarks on result:
other:
Duration:
14 d
Dose descriptor:
NOEC
Effect conc.:
6.4 µg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality
Duration:
14 d
Dose descriptor:
LOEC
Effect conc.:
13 µg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality
Duration:
14 d
Dose descriptor:
NOEC
Effect conc.:
3 µg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
reproduction
Duration:
14 d
Dose descriptor:
LOEC
Effect conc.:
6.4 µg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
reproduction
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
3 µg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
reproduction
Duration:
21 d
Dose descriptor:
LOEC
Effect conc.:
6.4 µg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
reproduction
Duration:
21 d
Dose descriptor:
other:
Effect conc.:
> 3 - < 6.4 µg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
reproduction

Applicant's summary and conclusion

Validity criteria fulfilled:
yes