Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
1995
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1995

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: EEC Directive 92/69, C.4-E Closed bottle test
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Inoculum or test system:
sewage, domestic (adaptation not specified)
Reference substance
Reference substance:
other: sodium acetate

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
0
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
0 % degradation after 7 d
0 % degradation after 14 d
0 % degradation after 21 d
0 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
68 % degradation after 7 d
58 % degradation after 14 d
73 % degradation after 21 d
53 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable
Conclusions:
No significant degradation was found