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Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2002
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
yes (incl. QA statement)
Analytical monitoring:
yes
Vehicle:
no
Test organisms (species):
Daphnia magna
Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
48 h
Test temperature:
21 °C
pH:
9.6 at 0 hours
9.1 at 48 hours
Dissolved oxygen:
8.6 mg/l at 0 hours
8.3 mg/l at 48 hours
Key result
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Validity criteria fulfilled:
yes
Remarks:
Analysis of the test preparations at 0 and 48 hours showed measured test concentrations to be near nominal and so it was considered justifiable to estimate the EGO values in terms of the nominal test concentrations only.
Conclusions:
The acute toxicity of the test material to the freshwater invertebrate Daphnia magna has been investigated and gave a 48 -Hour EGO of greater than 100 mg/l.
Correspondingly the No Observed Effect Concentration was 100 mg/l.
Executive summary:

The acute toxicity of the test material to the freshwater invertebrate Daphnia magna has been investigated and gave a 48 -Hour EGO of greater than 100 mg/l.

Correspondingly the No Observed Effect Concentration was 100 mg/l.

Description of key information

The acute toxicity of the test material to the freshwater invertebrate Daphnia magna has been investigated and gave a 48 -Hour EC50 of greater than 100 mg/l.


Correspondingly the No Observed Effect Concentration was 100 mg/l.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Dose descriptor:
EC50
Effect concentration:
100 mg/L

Additional information