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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:
4 (not assignable)

Data source

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

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Annex V, C4-D
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Study design

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

Results and discussion

% Degradation
Parameter:
not specified
Value:
14
Sampling time:
28 d
Details on results:
Point of degradation plot (test substance)
11% degradation after 5 d
13% degradation after 10 d
14% degradation after 15 d
14% degradation after 20 d
14% degradation after 28 d

BOD5 / COD results

Results with reference substance:
42% degradation after 5 d
48% degradation after 10 d
48% degradation after 15 d
46% degradation after 20 d
46% degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable