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Fig. 2. The maximum in time of the flux concentration, CL, at 1-m depth (µg L1) as calculated with Eq. [2] as a function of the leached fraction F (dimensionless) as calculated with Eq. [1]. The points are Monte Carlo calculations based on random values for the volume fraction of water, retardation factor, water flux, and half-life of the pesticide. The lines are at arbitrary concentration levels but have a slope of 1 implying that the concentration is proportional to the leached fraction.