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Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Quinoline
EC Number:
202-051-6
EC Name:
Quinoline
Cas Number:
91-22-5
Molecular formula:
C9H7N
IUPAC Name:
quinoline

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
mixture of sewage, soil and natural water
Duration of test (contact time):
14 d
Initial test substance concentration
Initial conc.:
30 mg/L
Based on:
test mat.
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
0.2
Sampling time:
14 d

Applicant's summary and conclusion

Interpretation of results:
under test conditions no biodegradation observed