Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Adequacy of study:
other information

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 92/69/EEC, Method C4-E
GLP compliance:
yes

Study design

Reference substance
Reference substance:
other: Sodium benzoate

Results and discussion

% Degradation
Value:
86
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
0 % degradation after 3 d
24 % degradation after 6 d
68 % degradation after 9 d
75 % degradation after 14 d
86 % degradation after 21 d
86 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
32 % degradation after 3 d
46 % degradation after 6 d
76 % degradation after 9 d
90 % degradation after 14 d
95 % degradation after 21 d
97 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable