FIG. 8. Breakthrough curves calculated using the One Kinetic Site Model for a 10-cm-long soil column and the following parameters: q = 5 cm d–1, = 0.5, = 1 cm, Kd = 1 cm3 g–1, b = 1.5 g cm–3, and k = 0.1, 0.5, and 10 d–1.