Registration Dossier

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Body responsible for the test

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: "Biodegradation Activated Sludge Respiration Inhibition test" of Commission Directive 87/302/EEC (OEC No. 209)
Deviations:
not specified
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
not specified

Test organisms

Test organisms (species):
activated sludge

Study design

Test type:
other: aerobic
Water media type:
freshwater
Limit test:
no
Total exposure duration:
3 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
3 h
Dose descriptor:
IC50
Effect conc.:
> 1 000 mg/L
Duration:
3 h
Dose descriptor:
NOEC
Effect conc.:
100 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The test substance is not considered to be toxic to microorganisms under the condition of the test.