Sample type | WDPT (sec) | Radius (cm) | ODPT (sec) | Radius (cm) | WDPT/ODPT |
Sludge | 114.77 ± 16.76 | 0.44 ± 0.09 | 5.05 ± 1.26 | 1.25 ± 0.14 | 22.73 |
Sand | 0.86 ± 0.22 | 1.167 ± 0.164 | 10.11 ± 2.02 | 1.07 ± 0.14 | 0.08 |