Registration Dossier

Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

Administrative data

Endpoint:
biodegradation in water: simulation testing on ultimate degradation in surface water
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 309 (Aerobic Mineralisation in Surface Water - Simulation Biodegradation Test)

Test material

Radiolabelling:
no

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
natural water
Duration of test (contact time):
60 d
Initial test substance concentration
Initial conc.:
50 µg/L
Based on:
other:

Results and discussion

% Degradation
Remarks on result:
other:
Half-life of parent compound / 50% disappearance time (DT50)
Compartment:
water
DT50:
395 h
Type:
(pseudo-)first order (= half-life)
Temp.:
22 °C
Remarks on result:
other:

Applicant's summary and conclusion

Validity criteria
Validity criteria fulfilled:
yes