Table K.8.
PECsw (μg/L) and PECsed (μg/kg) obtained for pesticide I in all FOCUS sw scenarios based on the current and the new assessment approach following a single ground spray application of 1 kg/ha in winter cereals with an intended application date at emergence (BBCH 09)
| FOCUS scenario | Waterbody | Current approach (FOCUS, 2001) | New approach | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Application windowa (number of days) | Single‐year assessment | Accumulation assessment | Application window (number of days) | Temp. perc. | PECsw (μg/L) | PECsed (μg/kg) | ||||
| Option 1 | Option 2 | |||||||||
| PECsw (μg/L) | PECsed (μg/kg) | PECsed (μg/kg) | PECsed (μg/kg) | |||||||
| D1 | Ditch | 11/09 – 11/10 (31) | 50.1 | 243 | 915 | 427 | 22/09 – 28/09 (7) | 47.5th | 42.7 | 1,103 |
| 57.5th | 43.2 | 1,115 | ||||||||
| 67.5th | 45.3 | 1,168 | ||||||||
| 77.5th | 45.6 | 1,229 | ||||||||
| 87.5th | 45.8 | 1,286 | ||||||||
| Stream | 31.9 | 137 | 516 | 240 | 47.5th | 26.8 | 604 | |||
| 57.5th | 28.0 | 614 | ||||||||
| 67.5th | 28.7 | 615 | ||||||||
| 77.5th | 28.9 | 659 | ||||||||
| 87.5th | 29.0 | 687 | ||||||||
| D2 | Ditch | 11/10 – 10/11 (31) | 59.6 | 253 | 841 | 444 | 22/10 – 28/10 (7) | 47.5th | 57.2 | 852 |
| 57.5th | 57.3 | 905 | ||||||||
| 67.5th | 59.5 | 914 | ||||||||
| 77.5th | 61.3 | 978 | ||||||||
| 87.5th | 64.8 | 1,037 | ||||||||
| Stream | 37.4 | 143 | 476 | 251 | 47.5th | 35.7 | 473 | |||
| 57.5th | 35.8 | 482 | ||||||||
| 67.5th | 38.0 | 520 | ||||||||
| 77.5th | 38.3 | 546 | ||||||||
| 87.5th | 40.4 | 566 | ||||||||
| D3 | Ditch | 07/11 – 07/12 (31) | 6.32 | 2.41 | 7.20 | 4.23 | 18/11 – 24/11 (7) | 47.5th | 6.39 | 23.1 |
| 57.5th | 6.48 | 25.6 | ||||||||
| 67.5th | 6.61 | 30.4 | ||||||||
| 77.5th | 6.68 | 33.7 | ||||||||
| 87.5th | 6.82 | 34.7 | ||||||||
| D4 | Pond | 08/09 – 08/10 (31) | 8.28 | 44.9 | 157 | 78.8 | 19/09 – 25/09 (7) | 47.5th | 1.61 | 44.1 |
| 57.5th | 2.01 | 77.5 | ||||||||
| 67.5th | 5.14 | 131 | ||||||||
| 77.5th | 6.64 | 164 | ||||||||
| 87.5th | 7.55 | 172 | ||||||||
| Stream | 10.7 | 16.9 | 59.0 | 29.7 | 47.5th | 5.48 | 21.3 | |||
| 57.5th | 5.48 | 29.9 | ||||||||
| 67.5th | 5.48 | 55.1 | ||||||||
| 77.5th | 9.41 | 74.8 | ||||||||
| 87.5th | 10.2 | 79.1 | ||||||||
| D5 | Pond | 27/10 – 26/11 (31) | 4.95 | 32.4 | 90.4 | 56.9 | 07/11 – 13/11 (7) | 47.5th | 4.32 | 120 |
| 57.5th | 5.47 | 149 | ||||||||
| 67.5th | 5.59 | 171 | ||||||||
| 77.5th | 7.36 | 183 | ||||||||
| 87.5th | 8.56 | 226 | ||||||||
| Stream | 6.83 | 8.63 | 24.1 | 15.1 | 47.5th | 5.91 | 36.9 | |||
| 57.5th | 6.07 | 43.2 | ||||||||
| 67.5th | 6.32 | 53.7 | ||||||||
| 77.5th | 6.87 | 56.0 | ||||||||
| 87.5th | 7.84 | 63.4 | ||||||||
| D6 | Ditch | 16/11 – 16/12 (31) | 34.8 | 26.5 | 52.2 | 46.5 | 27/11 – 03/12 (7) | 47.5th | 19.6 | 147 |
| 57.5th | 26.4 | 161 | ||||||||
| 67.5th | 29.5 | 177 | ||||||||
| 77.5th | 33.4 | 188 | ||||||||
| 87.5th | 38.1 | 199 | ||||||||
| R1 | Pond | 29/11 – 28/11 (31) | 0.989 | 4.59 | 13.7 | 8.06 | 09/12 – 15/12 (7) | 47.5th | 0.884 | 18.6 |
| 57.5th | 1.04 | 23.5 | ||||||||
| 67.5th | 1.05 | 25.6 | ||||||||
| 77.5th | 1.68 | 31.5 | ||||||||
| 87.5th | 1.76 | 33.1 | ||||||||
| Stream | 9.82 | 3.45 | 10.3 | 6.06 | 47.5th | 8.77 | 17.5 | |||
| 57.5th | 8.89 | 19.3 | ||||||||
| 67.5th | 9.23 | 21.2 | ||||||||
| 77.5th | 9.98 | 27.7 | ||||||||
| 87.5th | 10.7 | 31.1 | ||||||||
| R3 | Stream | 17/11 – 17/12 (31) | 12.6 | 120 | 275 | 211 | 28/11 – 04/12 (7) | 47.5th | 10.3 | 22.9 |
| 57.5th | 10.6 | 26.9 | ||||||||
| 67.5th | 10.7 | 34.2 | ||||||||
| 77.5th | 11.3 | 42.0 | ||||||||
| 87.5th | 11.4 | 50.5 | ||||||||
| R4 | Stream | 27/10 – 26/11 (31) | 12.5 | 5.54 | 12.9 | 9.7 | 07/11 – 13/11 (7) | 47.5th | 13.0 | 49.6 |
| 57.5th | 14.0 | 51.7 | ||||||||
| 67.5th | 14.4 | 55.6 | ||||||||
| 77.5th | 15.2 | 77.0 | ||||||||
| 87.5th | 18.3 | 87.0 | ||||||||
a
Default application window in the current FOCUS approach considered to represent an intended application at emergence (BBCH 09).