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-C (CO2-Entw.)
GLP compliance:
yes

Study design

Reference substance
Reference substance:
other: Natriumacetat

Results and discussion

% Degradation
Value:
87
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
1.6 % degradation after 2 d
18.5 % degradation after 5 d
41.4 % degradation after 7 d
54.7 % degradation after 9 d
72.3 % degradation after 14 d
80.2 % degradation after 19 d
84.2 % degradation after 23 d
85.6 % degradation after 27 d
87.2 % degradation after 29 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
5.5 % degradation after 2 d
32.2 % degradation after 5 d
51 % degradation after 7 d
65.6 % degradation after 9 d
80.6 % degradation after 14 d
89 % degradation after 19 d
93.2 % degradation after 23 d
96.3 % degradation after 27 d
97.4 % degradation after 29 d

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable