Registration Dossier

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:
2011
Report Date:
2012

Materials and methods

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

Test material

Reference
Name:
Unnamed
Type:
Constituent
Radiolabelling:
no

Study design

Oxygen conditions:
aerobic
Soil classification:
other:
Year:
2011
Soil properties
Soil no.:
#1
Soil type:
silt loam
% Clay:
9
% Silt:
9
% Sand:
82
% Org. C:
1.6
pH:
5
CEC:
12.1 other:
Duration of test (contact time)
Soil No.:
#1
Duration:
56 d
Initial test substance concentrationopen allclose all
Soil No.:
#1
Initial conc.:
1 000 other:
Based on:
other:
Soil No.:
#1
Initial conc.:
10.5 other:
Based on:
other:
Soil No.:
#1
Initial conc.:
32 other:
Based on:
other:
Soil No.:
#1
Initial conc.:
26.6 other:
Based on:
other:
Experimental conditions
Soil No.:
#1

Results and discussion

Material (mass) balance
Soil No.:
#1
% Recovery:
91.2
St. dev.:
3.7
Remarks on result:
other:
Half-life / dissipation time of parent compoundopen allclose all
Soil No.:
#1
DT50:
22.4
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
Soil No.:
#1
DT50:
82.6
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
Soil No.:
#1
DT50:
43.4
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
169.3
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
71.2
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
283.8
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
1.5
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
Soil No.:
#1
DT50:
32.9
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
Soil No.:
#1
DT50:
5.4
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
86.2
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
10.6
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
156.7
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
11.4
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
Soil No.:
#1
DT50:
122.4
Type:
(pseudo-)first order (= half-life)
Remarks on result:
other:
Soil No.:
#1
DT50:
26.5
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
261
Type:
other:
Remarks on result:
other:
Soil No.:
#1
DT50:
46.4
Type:
other:
Remarks on result:
other:
DT50:
444.3
Type:
other:
Remarks on result:
other:

Applicant's summary and conclusion