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
Year:
1992
Report Date:
1992

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
Deviations:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
other:
Duration of test (contact time):
28 d
Initial test substance concentrationopen allclose all
Initial conc.:
252 mg/L
Based on:
test mat.
Initial conc.:
250 mg/L
Based on:
test mat.
Initial conc.:
150.1 other:
Based on:
test mat.
Initial conc.:
148.5 other:
Based on:
test mat.

Results and discussion

% Degradation
Parameter:
% degradation (DOC removal)
Value:
25
Sampling time:
28 d

Applicant's summary and conclusion