Registration Dossier

Administrative data

Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test (Carbon and Ammonium Oxidation))
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid

Results and discussion

Effect concentrationsopen allclose all
Key result
Duration:
3 h
Dose descriptor:
NOEC
Effect conc.:
ca. 312.5 mg/L
Key result
Duration:
3 h
Dose descriptor:
LOEC
Effect conc.:
ca. 1 000 mg/L
Key result
Duration:
3 h
Dose descriptor:
EC50
Remarks:
total oxygen uptake
Effect conc.:
ca. 684 mg/L
Key result
Duration:
3 h
Dose descriptor:
EC50
Remarks:
heterotrophic oxygen uptake
Effect conc.:
ca. 713 mg/L
Key result
Duration:
3 h
Dose descriptor:
EC50
Remarks:
nitrification oxygen uptake
Effect conc.:
ca. 637 mg/L

Applicant's summary and conclusion