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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: screening tests
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
other: reliability not verifiable
Rationale for reliability incl. deficiencies:
other: no detailed information in SNIF#001-5.2.13-01

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
2011

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: no information provided
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
11.5 mg/L
Based on:
test mat.
Reference substance
Reference substance:
benzoic acid, sodium salt

Results and discussion

% Degradation
Value:
0
Remarks on result:
other: no further information given
Details on results:
Experimental values (test substance):

2 % degradation after 3 d
3 % degradation after 9 d
5 % degradation after 14 d
5 % degradation after 20 d
7 % degradation after 27 d
0 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
64 % degradation after 2 d
89 % degradation after 9 d
100 % degradation after 14 d
100 % degradation after 20 d
100 % degradation after 27 d
97 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
not inherently biodegradable