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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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

Test material

Constituent 1
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