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EC number: 424-640-9 | CAS number: 202842-98-6
Biodegradation in soil
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:
- 1 999
- Report date:
- 1999
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other:
- Deviations:
- yes
- Test type:
- laboratory
Test material
Constituent 1
- Radiolabelling:
- yes
Study design
- Oxygen conditions:
- aerobic
Soil propertiesopen allclose all
- Soil no.:
- #1
- Soil type:
- other:
- % Clay:
- 3.2
- % Silt:
- 21.6
- % Sand:
- 75.2
- % Org. C:
- 0.99
- pH:
- 5.5
- CEC:
- 11 meq/100 g soil d.w.
- Bulk density (g/cm³):
- 1.46
- Soil no.:
- #2
- Soil type:
- sandy loam
- % Clay:
- 9.5
- % Silt:
- 29.5
- % Sand:
- 61.1
- % Org. C:
- 1.24
- pH:
- 6.6
- CEC:
- 9 meq/100 g soil d.w.
- Bulk density (g/cm³):
- 1.19
Duration of test (contact time)open allclose all
- Soil No.:
- #1
- Duration:
- 154 d
- Soil No.:
- #2
- Duration:
- 154 d
Initial test substance concentrationopen allclose all
- Soil No.:
- #1
- Initial conc.:
- 2.7 mg/kg soil d.w.
- Based on:
- act. ingr.
- Soil No.:
- #2
- Initial conc.:
- 2.7 mg/kg soil d.w.
- Based on:
- act. ingr.
Experimental conditionsopen allclose all
- Soil No.:
- #1
- Soil No.:
- #2
Results and discussion
Material (mass) balanceopen allclose all
- Soil No.:
- #1
- % Recovery:
- 100.5
- St. dev.:
- 3.6
- Remarks on result:
- other:
- Soil No.:
- #1
- % Recovery:
- 103.3
- St. dev.:
- 2.8
- Remarks on result:
- other:
- Soil No.:
- #2
- % Recovery:
- 102.8
- St. dev.:
- 2.7
- Remarks on result:
- other:
- Soil No.:
- #2
- % Recovery:
- 101.8
- St. dev.:
- 2.7
- Remarks on result:
- other:
% Degradationopen allclose all
- Key result
- Soil No.:
- #1
- % Degr.:
- 18
- Parameter:
- other:
- Sampling time:
- 154 d
- Key result
- Soil No.:
- #1
- % Degr.:
- 12.8
- Parameter:
- other:
- Sampling time:
- 154 d
- Key result
- Soil No.:
- #2
- % Degr.:
- 34.9
- Parameter:
- other:
- Sampling time:
- 154 d
- Key result
- Soil No.:
- #2
- % Degr.:
- 21.3
- Parameter:
- other:
- Sampling time:
- 154 d
Half-life / dissipation time of parent compoundopen allclose all
- Key result
- Soil No.:
- #1
- DT50:
- 42 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 12 °C
- Remarks on result:
- other:
- Key result
- Soil No.:
- #1
- DT50:
- 43 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 10 °C
- Remarks on result:
- other:
- Key result
- Soil No.:
- #2
- DT50:
- 42 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 12 °C
- Remarks on result:
- other:
- Key result
- Soil No.:
- #2
- DT50:
- 28 d
- Type:
- (pseudo-)first order (= half-life)
- Temp.:
- 12 °C
- Remarks on result:
- other:
Applicant's summary and conclusion
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