Fig. 2. Accumulative recovery percentage (%) of pyrene in five successive soil washings (
) compared with predicted values (solid line) with a Tween 80 concentration of 5 g L-1 and a soil to aqueous ratio of 1:10.
Fig. 2. Accumulative recovery percentage (%) of pyrene in five successive soil washings () compared with predicted values (solid line) with a Tween 80 concentration of 5 g L-1 and a soil to aqueous ratio of 1:10.