Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: screening tests
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report Date:
2007

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 302 D Draft (Inherent Biodegradability - Concawe Test)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge, domestic, non-adapted
Duration of test (contact time):
> 28 d
Initial test substance concentration
Initial conc.:
5.39 mg/L
Based on:
test mat.

Results and discussion

% Degradationopen allclose all
Parameter:
% degradation (DOC removal)
Value:
2
Sampling time:
28 d
Parameter:
% degradation (DOC removal)
Value:
3
Sampling time:
5 d
Parameter:
% degradation (DOC removal)
Value:
7
Sampling time:
15 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes