| B | Coefficient of Saturation |
| BP | Back Pressure |
| CP | Cell Pressure |
| FC | Fiber Cast |
| FM | Fiber Mesh |
| FWP | Flexible Wall Permeameter |
| ksat | Saturated hydraulic conductivity |
| RWP | Rigid Wall Permeameter |
| ΔCP | The difference in cell pressure |
| Δu | The difference in pore-water pressure |