Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: inherent biodegradability
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report Date:
1997

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Oxygen conditions:
not specified
Inoculum or test system:
activated sludge, domestic, adapted
Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
199.75
Based on:
other:

Results and discussion

% Degradationopen allclose all
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
2 d
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
5 d
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
14 d
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
20 d
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
28 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes