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Diss Factsheets

Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

Administrative data

Endpoint:
biodegradation in water and sediment: simulation testing, other
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 303 A (Simulation Test - Aerobic Sewage Treatment. A: Activated Sludge Units)
Deviations:
no

Test material

Constituent 1
Radiolabelling:
yes

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge, domestic, non-adapted
Duration of test (contact time):
40 d

Results and discussion

% Degradation
Key result
% Degr.:
23.9
Parameter:
radiochem. meas.
Sampling time:
40 d
Remarks on result:
other:
Half-life of parent compound / 50% disappearance time (DT50)
Key result
Compartment:
entire system
DT50:
4.7 h
Type:
(pseudo-)first order (= half-life)
Temp.:
21.5 °C

Applicant's summary and conclusion

Validity criteria
Validity criteria fulfilled:
yes