Published or not - fyto
Published or not - fyto Published or not - fyto
CHLOROTHALONIL - 11 - APPENDIX II END POINTS AND RELATED INFORMATION 2. Fate and behaviour in the environment 20 December 2004 2 Fate and behaviour in the environment 2.1 Fate and behaviour in soil Route of degradation Aerobic: Mineralization after 100 days: Non-extractable residues after 1 days: Major metabolites above 10 % of applied active substance: name and/or code % of applied rate (range and maximum) max. 23.8% (92 days) max. 63% (90 days) SDS-3701, max. 32% after 60d, 31-30% after 90-181d R417888, max 20% after 62-181 days. SDS-19221, max. 10% after 7 and after 60 days. SDS-46851, max. 13.2% after 30 days. R471811 (Compound 13), max. 11%: (max. 55.4% after 121 days incubation of R417888 (end)) R419492, max 12.4% after 120 days. Supplemental studies Anaerobic: SDS-3701, max. 43% identical metabolic profile as in aerobic studies Soil photolysis: No photodegradation of both chlorothalonil and SDS-3701 Remarks: none
CHLOROTHALONIL - 12 - APPENDIX II END POINTS AND RELATED INFORMATION 2. Fate and behaviour in the environment 20 December 2004 Rate of degradation Laboratory studies DT 50 lab (20 °C, aerobic): chlorothalonil DT50lab (20°C, aerobic): 0.3; 1.0; 1.3; 1.9; 3; 7; 9; 14, 16; 18; 21; 24; 87 days, mean 15.7 days, range 0.3-87 days (r2 >0.7) SDS-3701 DT50lab (20°C, aerobic): 20; 38; 48; 63; 81; 82; 84; 152; 248; 278; 343 days, mean 130.6 days, range 20-343 days (r2 >0.7) R417888 DT50lab (20°C, aerobic): 59; 63; 64; 68; 134; 212; 248 days, mean 121.1 days, range 59 – 248 days (r2 >0.7) SDS-46851 DT50lab (20°C, aerobic): 103 days R419492 DT50lab not available, not required
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CHLOROTHALONIL<br />
- 12 -<br />
APPENDIX II<br />
END POINTS AND RELATED INFORMATION<br />
2. Fate and behaviour in the environment<br />
20 December 2004<br />
Rate of degradation<br />
Lab<strong>or</strong>at<strong>or</strong>y studies<br />
DT 50 lab (20 °C, aerobic):<br />
chl<strong>or</strong>othalonil DT50lab (20°C,<br />
aerobic): 0.3; 1.0; 1.3; 1.9; 3; 7; 9;<br />
14, 16; 18; 21; 24; 87 days, mean<br />
15.7 days, range 0.3-87 days (r2<br />
>0.7)<br />
SDS-3701 DT50lab (20°C,<br />
aerobic): 20; 38; 48; 63; 81; 82;<br />
84; 152; 248; 278; 343 days,<br />
mean 130.6 days, range 20-343<br />
days (r2 >0.7)<br />
R417888 DT50lab (20°C,<br />
aerobic): 59; 63; 64; 68; 134; 212;<br />
248 days, mean 121.1 days,<br />
range 59 – 248 days (r2 >0.7)<br />
SDS-46851 DT50lab (20°C,<br />
aerobic): 103 days R419492<br />
DT50lab <strong>not</strong> available, <strong>not</strong><br />
required
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