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Diss Factsheets

Ecotoxicological information

Short-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13 November 2016 - 31 January 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method C.1 (Acute Toxicity for Fish)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
Physical state/Appearance: Clear colorless liquid
Batch: 1023R25811
Purity: 100%
Expiry Date: 14 September 2019
Storage Conditions: Room temperature in the dark
Analytical monitoring:
yes
Remarks:
gas chromatography (GC)
Vehicle:
not specified
Test organisms (species):
Oncorhynchus mykiss (previous name: Salmo gairdneri)
Test type:
semi-static
Water media type:
other: dechlorinated laboratory tap water
Limit test:
no
Total exposure duration:
96 h
Key result
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
> 3.1 mg/L
Nominal / measured:
meas. (geom. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Key result
Duration:
96 h
Dose descriptor:
LOEC
Effect conc.:
3.1 mg/L
Nominal / measured:
meas. (geom. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Key result
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
1.9 mg/L
Nominal / measured:
meas. (geom. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Validity criteria fulfilled:
yes
Conclusions:
Exposure of rainbow trout (Oncorhynchus mykiss) to the test item has been investigated and geometric mean measured test concentrations gave the following results:
Time Point (Hours) LC50 (mg/L) 95% Confidence Limits (mg/L) No Observed Effect Concentration (NOEC) (mg/L) Lowest Observed Effect Concentration (LOEC) (mg/L)
96 >3.1 Not possible to determine 1.9 3.1

Description of key information

Exposure of rainbow trout (Oncorhynchus mykiss) to the test item has been investigated and geometric mean measured test concentrations gave the following results:

Time Point (Hours)       LC50 (mg/L)              95% Confidence Limits (mg/L)       No Observed Effect Concentration (NOEC) (mg/L)              Lowest Observed Effect Concentration (LOEC) (mg/L)

96                                   >3.1                            Not possible to determine              1.9                                                                                           3.1

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
3.1 mg/L

Additional information