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Diss Factsheets

Ecotoxicological information

Short-term toxicity to fish

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Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
other information
Study period:
October 23rd, 1981 to October 13th, 1981
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1981
Report date:
1981

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
GLP compliance:
no

Test material

Test material form:
liquid
Details on test material:
Clear colourless liquid
Specific details on test material used for the study:
Clear colourless liquid

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
no
Details on test solutions:
The test material was emulisfied in water by Ultra-Turrax.

Test organisms

Test organisms (species):
Leuciscus idus melanotus
Details on test organisms:
- Source: Paul Eggers, 2345 Hohenwestedt, Germany
- Age at study initiation (mean and range, SD): no information
- Length at study initiation (mean, range and SD): 6.0 cm, 5.4 - 6.7 cm, 0.40 cm
- Feeding during test: no feeding during test
ACCLIMATION
- Acclimation period:14 days
- Acclimation conditions: same as test
- Food type: Tetra Min, Tetra Werke, Melle, Germany;

Study design

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

Test conditions

Hardness:
9.4°d
Test temperature:
20 +/- 1°C
pH:
8.1 - 8.4
Dissolved oxygen:
> 8 mg/L
Nominal and measured concentrations:
Nominal Concentrations: 0, 4, 6.3, 8, 9, 10, 12.5 and 100 mg/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
> 9 - < 10 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
> 9 - < 10 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
From this study LC50 (48 h and 96 h) for the test item was determined to be between 9 mg/L and 10 mg/L.