Registration Dossier

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: limited documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1987
Report Date:
1987

Materials and methods

Principles of method if other than guideline:
ETAD method: "Determination of damage to effluent bacteria by the fermentation tube method"
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Sampling and analysis

Analytical monitoring:
no

Test solutions

Details on test solutions:
Preparation of the stock solution: 5 g/L test substance was stirred for 24 h in deionized water to prepare a saturated solution. Appr. 3 g/L were dissolved.

Test organisms

Test organisms (species):
activated sludge, domestic

Study design

Total exposure duration:
24 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC0
Effect conc.:
100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
200 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.

Applicant's summary and conclusion