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PEC sw (μg/L) for dummy substance A (top) and dummy substance F (bottom) in the drainage scenario D2 based on the new 20‐year assessment approach (7.5th to the 87.5th percentile, 7‐day application window) and the current FOCUS single‐year assessment approach, in relation to the intended application date (winter cereals, 1 × 1 kg/ha to the soil surface, drainage only, no drift)
