Table 2. PCDD/F HLs in Soil (Years) at 25 °C Obtained from P3 (F. arundinacea) and from Other Treatmentsa.
| selected species (P3) | other treatments |
||
|---|---|---|---|
| PCDD/F congeners | HL (y) | HL min (y) | HL max (y) |
| 2,3,7,8-TCDD | 2.54 | 2.54 | 4.46* |
| 1,2,3,7,8-PCDD | 3.89* | 3.71 | 5.79+ |
| 1,2,3,4,7,8-HxCDD | 3.00 | 1.77 | 2.95 |
| 1,2,3,6,7,8-HxCDD | 3.82 | 2.45* | 4.40 |
| 1,2,3,7,8,9-HxCDD | 5.55++ | 3.63+ | 8.35+ |
| 1,2,3,4,6,7,8-HpCDD | 4.41 | 2.23+ | 8.85 |
| OCDD | 3.41++ | 3.34++ | 3.68+ |
| 2,3,7,8-TCDF | 5.80 | 4.31 | 8.12 |
| 1,2,3,7,8-PCDF | 3.36 | 3.36 | 5.39 |
| 2,3,4,7,8-PCDF | 3.99 | 3.99 | 6.47 |
| 1,2,3,4,7,8-HxCDF | 4.35 | 3.60 | 6.20 |
| 1,2,3,6,7,8-HxCDF | 3.99 | 3.44 | 10.27 |
| 2,3,4,6,7,8-HxCDF | 4.27 | 3.67 | 6.87 |
| 1,2,3,7,8,9-HxCDF | 4.56 | 3.55 | 7.09 |
| 1,2,3,4,6,7,8-HpCDF | 5.41 | 3.25 | 10.04 |
| 1,2,3,4,7,8,9-HpCDF | 4.98 | 3.20 | 9.49* |
| OCDF | 2.63 | 2.63 | 6.98* |
a
When no symbol is present it means that p < 0.05; *: p < 0.1; +: 0.164 < p < 0.242; ++: 0.101 < p < 0.108; for more details of the statistical significance please refer to Table S15 in the Supporting Information.