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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

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

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1992

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Reference substance
Reference substance:
other: Sodium benzoate

Results and discussion

% Degradation
Value:
37.5
Sampling time:
28 d
Remarks on result:
other: Parameter is unknown
Details on results:
Points of degradation plot (test substance):

20.5% degradation after 5 d
23.9% degradation after 14 d
41% degradation after 21 d
37.5% degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):

56.9% degradation after 5 d
77.8% degradation after 14 d
83.8% degradation after 21 d
86.8% degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable