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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997
Report date:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.4-B (Determination of the "Ready" Biodegradability - Modified OECD Screening Test)

Test material

Study design

Inoculum or test system:
other:
Duration of test (contact time):
28 d
Initial test substance concentrationopen allclose all
Initial conc.:
1 g/L
Based on:
test mat.
Initial conc.:
19.8 mg/L
Based on:
DOC

Results and discussion

% Degradation
Parameter:
% degradation (DOC removal)
Value:
79
Sampling time:
28 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes