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Environmental fate & pathways

Biodegradation in soil

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Administrative data

Endpoint:
biodegradation in soil: simulation testing
Type of information:
experimental study
Adequacy of study:
key study

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 307 (Aerobic and Anaerobic Transformation in Soil)
Deviations:
no
Test type:
laboratory

Test material

Radiolabelling:
no

Study design

Oxygen conditions:
aerobic
Soil propertiesopen allclose all
Soil no.:
#1
Soil type:
loamy sand
% Clay:
8.2
% Silt:
15.3
% Sand:
76.5
% Org. C:
1.74
pH:
5.5
Soil no.:
#2
Soil type:
sandy loam
% Clay:
8.7
% Silt:
28.2
% Sand:
63.1
% Org. C:
1
pH:
6.8
Soil no.:
#3
Soil type:
clay
% Clay:
40.7
% Silt:
34.5
% Sand:
24.8
% Org. C:
1.66
pH:
7.1
Duration of test (contact time)open allclose all
Soil No.:
#1
Duration:
120 d
Soil No.:
#2
Duration:
120 d
Soil No.:
#3
Duration:
120 d
Initial test substance concentrationopen allclose all
Soil No.:
#1
Initial conc.:
2 mg/kg soil d.w.
Based on:
test mat.
Soil No.:
#2
Initial conc.:
2 mg/kg soil d.w.
Based on:
test mat.
Soil No.:
#3
Initial conc.:
2 mg/kg soil d.w.
Based on:
test mat.
Experimental conditionsopen allclose all

Results and discussion

% Degradationopen allclose all
Soil No.:
#1
% Degr.:
ca. 0
Parameter:
test mat. analysis
Sampling time:
120 d
Soil No.:
#2
% Degr.:
ca. 0
Parameter:
test mat. analysis
Sampling time:
120 d
Soil No.:
#3
% Degr.:
ca. 0
Parameter:
test mat. analysis
Sampling time:
120 d
Half-life / dissipation time of parent compoundopen allclose all
Soil No.:
#1
DT50:
> 1 000 d
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
Soil No.:
#2
DT50:
> 1 000 d
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
Soil No.:
#3
DT50:
> 1 000 d
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:

Applicant's summary and conclusion

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