Registration Dossier

Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Meets the criteria for classification as Reliable without restriction according to Klimisch et al (1997)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Annex V, C1
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: The test substance was dispersed directly in diluent water.

Test organisms

Test organisms (species):
Oncorhynchus mykiss (previous name: Salmo gairdneri)

Study design

Test type:
static
Total exposure duration:
96 h

Test conditions

Hardness:
160 mg CaCO3/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
LC50
Effect conc.:
29 mg/L
Basis for effect:
mortality
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
23 mg/L
Basis for effect:
mortality
Duration:
72 h
Dose descriptor:
LC50
Effect conc.:
21 mg/L
Basis for effect:
mortality
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
12 mg/L
Basis for effect:
mortality
Duration:
96 h
Dose descriptor:
LC100
Effect conc.:
20 mg/L
Basis for effect:
mortality
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
4.2 mg/L
Details on results:
%Concentration loss over test: ... 5

Any other information on results incl. tables

All results are expressed in terms of mean measured concentration. Measured concentrations ranged from 86.6 to 94.4% of nominal at 0 hours, 85.8 to 98.3% of nominal at 24 hours, 85.7 to 93.0% of nominal at 72 hours and 81.3 to
89.8% of nominal at 96 hours. These results show that near nominal concentrations were achieved and maintained
throughout the exposure period.

Applicant's summary and conclusion