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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:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1993
Report Date:
1993

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge, domestic, adapted
Duration of test (contact time):
>= 28 d

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
< 4
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance): 0.4 % degradation after 7 d 4.2 % degradation after 14 d 3 % degradation after 21 d 3.6 % degradation after 28 d

Applicant's summary and conclusion