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
Year:
1983
Report Date:
1983

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to
Guideline:
EU Method C.5 (Degradation: Biochemical Oxygen Demand)
Qualifier:
equivalent or similar to
Guideline:
EU Method C.6 (Degradation: Chemical Oxygen Demand)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
other:
Initial test substance concentration
Initial conc.:
1.001 g/L
Based on:
test mat.

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Sampling time:
5 d
Remarks on result:
other:

BOD5 / COD results

BOD5 / CODopen allclose all
Parameter:
BOD5
Value:
< 0.1 g O2/g test mat.
Parameter:
COD
Value:
1.89 g O2/g test mat.
Parameter:
BOD5*100/COD
Value:
< 5.3

Applicant's summary and conclusion

Validity criteria fulfilled:
yes