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: Directive 92/69/EEC Procedure C.4-C (OECD Procedure 301B, adopted 1992) US EPA, OPPTS, Method 835.3110 (m)
GLP compliance:
yes

Study design

Reference substance
Reference substance:
other: Sodium benzoate

Results and discussion

% Degradation
Value:
< 3
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
1 % degradation after 2 d
1 % degradation after 3 d
1 % degradation after 4 d
1 % degradation after 6 d
2 % degradation after 8 d
2 % degradation after 10 d
2 % degradation after 14 d
3 % degradation after 21 d
3 % degradation after 28 d
3 % degradation after 29 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
22 % degradation after 2 d
41 % degradation after 3 d
53 % degradation after 4 d
63 % degradation after 6 d
70 % degradation after 8 d
74 % degradation after 10 d
77 % degradation after 14 d
82 % degradation after 21 d
84 % degradation after 28 d
85 % degradation after 29 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable