Registration Dossier

Environmental fate & pathways

Biodegradation in soil

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Administrative data

Endpoint:
biodegradation in soil
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 soil 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 type:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Radiolabelling:
not specified

Study design

Oxygen conditions:
not specified
Soil classification:
not specified
Duration of test (contact time)
Soil No.:
#1
Duration:
72 d
Parameter followed for biodegradation estimation:
test mat. analysis

Results and discussion

% Degradation
Soil No.:
#1
% Degr.:
50
Parameter:
test mat. analysis
Half-life / dissipation time of parent compound
Soil No.:
#1
DT50:
75 d
Type:
not specified
Transformation products:
not specified
Evaporation of parent compound:
not specified
Volatile metabolites:
not specified
Residues:
not specified
Details on results:
Biodegradation in soil : 50% degradation
Half-life : 75 d
Percent in Medium : 68%

Applicant's summary and conclusion

Executive summary:

The PBT Profiler has estimated that the substance is expected to be found predominantly in soil and its persistence estimate is based on its transformation in this medium.Its half-life in soil, 75 days, exceeds the EPA criteria of >= 2 months (and <= 6 months). Therefore the substance is estimatedto be persistent in the environment.