Registration Dossier

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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP complicance, not OECD guideline

Data source

Reference
Reference Type:
other: inquiry result from ECHA
Title:
Unnamed
Year:
2014

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: 92/69/EWG, C.4-E (Geschl. Flasch.)
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Reference substance
Reference substance:
other: Natriumacetat

Results and discussion

% Degradation
Parameter:
not specified
Value:
33.3
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
18.9 % degradation after 7 d
26.5 % degradation after 14 d
27.3 % degradation after 21 d
33.3 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
51.9 % degradation after 7 d
62.2 % degradation after 14 d
85.9 % degradation after 21 d
85.9 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable