Registration Dossier

Administrative data

Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
Deviations:
no
Qualifier:
according to guideline
Guideline:
UK Blue Book Method No. 106: Methods for assessing the treatability of chemicals and industrial waste waters and their toxicity to sewage treatment processes
Deviations:
no
Qualifier:
according to guideline
Guideline:
other:
Deviations:
no

Test material

Constituent 1
Test material form:
solid: particulate/powder

Test organisms

Test organisms (species):
activated sludge

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
3 h

Test conditions

Reference substance (positive control):
yes

Results and discussion

Effect concentrationsopen allclose all
Key result
Duration:
3 h
Dose descriptor:
IC50
Effect conc.:
>= 100 mg/L
Key result
Duration:
3 h
Dose descriptor:
NOEC
Effect conc.:
100 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
yes