Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
weight of evidence

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 301 D (Ready Biodegradability: Closed Bottle Test)
Deviations:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

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

Results and discussion

% Degradation
Key result
Parameter:
% degradation (O2 consumption)
Value:
21
Sampling time:
28 d

BOD5 / COD results

BOD5 / COD
Key result
Parameter:
ThOD
Value:
3.01 mg O2/g test mat.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes