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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:
other information
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: 92/69/EWG, C.4-C (CO2-Entw.); OECD 301-B (1992)
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Reference substance
Reference substance:
other: Natriumacetat

Results and discussion

Details on results:
Points of degradation plot (test substance):
5 % degradation after 3 d
8 % degradation after 6 d
19 % degradation after 9 d
30 % degradation after 14 d
41 % degradation after 17 d
50 % degradation after 22 d
55 % degradation after 24 d
63 % degradation after 29 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
18 % degradation after 3 d
30 % degradation after 6 d
50 % degradation after 9 d
71 % degradation after 14 d
89 % degradation after 17 d
96 % degradation after 22 d
96 % degradation after 24 d
97 % degradation after 29 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable