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:
other: 92/69/EWG, C.4-D (Manom.-Respirat.); OECD 301-F
GLP compliance:
yes

Study design

Reference substance
Reference substance:
other: sodium benzoate

Results and discussion

% Degradation
Value:
15
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
3 % degradation after 2 d
3 % degradation after 6 d
5 % degradation after 8 d
5 % degradation after 10 d
9 % degradation after 14 d
12 % degradation after 16 d
16 % degradation after 20 d
18 % degradation after 22 d
23 % degradation after 24 d
15 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
49 % degradation after 2 d
75 % degradation after 6 d
79 % degradation after 8 d
82 % degradation after 10 d
85 % degradation after 14 d
86 % degradation after 16 d
87 % degradation after 20 d
87 % degradation after 22 d
88 % degradation after 24 d
89 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable