Table 3. PCDD/F Loss Processes in the Soil Compartmenta.
| process | Biodeg | Inf | DiffD | Vol | RootUp |
|---|---|---|---|---|---|
| loss fluxes (%) | |||||
| 2,3,7,8-TCDD | |||||
| mean | 99.61 | 0.16 | 0.04 | 0.02 | 0.18 |
| min | 91.55 | 0.00 | 0.01 | 0.00 | 0.06 |
| max | 99.90 | 8.16 | 0.07 | 0.04 | 0.54 |
| 1,2,3,4,7,8-HxCDF | |||||
| mean | 99.59 | 0.19 | 0.02 | 0.01 | 0.19 |
| min | 89.76 | 0.00 | 0.01 | 0.00 | 0.06 |
| max | 99.92 | 10.04 | 0.04 | 0.02 | 0.58 |
| OCDD | |||||
| mean | 99.95 | 0.04 | 0.00 | 0.00 | 0.01 |
| min | 97.58 | 0.00 | 0.00 | 0.00 | 0.00 |
| max | 100.00 | 2.42 | 0.00 | 0.00 | 0.03 |
a
Biodeg: biodegradation; Inf: infiltration; DiffD: diffusion downwards; vol: volatilization; RootUp: root uptake.