Fig. 7. Cumulative leaching of di(2-ethylhexyl)phthalate (DEHP) from Røgen Columns 1a (A) and 1c (B). In Column 1a, the DEHP breakthrough is delayed, and the particle-facilitated contribution was small. In Column 1c, leaching occurred immediately after the start of the experiment, and the contribution from particle-facilitated transport is considerable.

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