1 I I I 1 1 -1.2 -0.2 -0. o' - E~ -n?- -- Nr J o- Figure 5-2. Phenol sorption isotherms on soil with sludge. Sngl-Adsp- SSngl-Desp ----- | Mix-Adsp - S Mix-Desp i I ; I i I I I I 4 O 0.4 0 12 !. Log [Ce(ug/lm)] i i