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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:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Prediction model
Title:
Biodegradation in water by Environmental Science Center’s PBT profiler
Author:
Environmental Science Center
Year:
2010
Bibliographic source:
PBT profiler, Office of Chemical Safety and Pollution Prevention , U.S. Environmental Protection Agency; version 1.301

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: PBT Profiler Estimate
Principles of method if other than guideline:
Estimation database
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Oxygen conditions:
anaerobic
Inoculum or test system:
other: groundwater
Duration of test (contact time):
72 d
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
test mat. analysis
Reference substance
Reference substance:
not specified

Results and discussion

% Degradation
Parameter:
% degradation (test mat. analysis)
Value:
50
Sampling time:
72 h
Details on results:
Biodegradation in water : 50% degradation
Half-life : 38 d
Percent in Medium : 32%

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Executive summary:

Biodegradation in water : 50% degradation found in 38 d.