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Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2008
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
2008
Report Date:
2008

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Duration of test (contact time):
28 d
Reference substance
Reference substance:
benzoic acid, sodium salt

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
72
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
49 % degradation after 5 d
64 % degradation after 10 d
70 % degradation after 15 d
70 % degradation after 20 d
72 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
63 % degradation after 5 d
70 % degradation after 10 d
74 % degradation after 15 d
76 % degradation after 20 d
78 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable