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Fig. 3. Distribution coefficient (KD) for desorption of carbamazepine from Airport silt loam with (a) and without biosolid (b) application. Desorption was conducted from each soil treatment at each carbamazepine level (37.5, 25, 12.5, and 5.0 µgL–1) following adsorption by replacing half of the solution and subsequent equilibration. A total of three consecutive desorption events were conducted (DS1, DS2, and DS3). Error bars represent ± one standard error of the mean.
