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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Cross-referenceopen allclose all
Reason / purpose:
reference to same study
Reason / purpose:
reference to other study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report Date:
1994

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Qualifier:
according to
Guideline:
EU Method C.2 (Acute Toxicity for Daphnia)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

Test organisms (species):
Daphnia magna

Study design

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

Test conditions

Reference substance (positive control):
no

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
43.4 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other:
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
15 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other:
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
26.1 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other:
Duration:
48 h
Dose descriptor:
EC100
Effect conc.:
50 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other:

Applicant's summary and conclusion

Validity criteria fulfilled:
yes