| Acronym | Meaning |
| CGCP | Canadian Global Change Program |
| RBM | Rigid Band Model |
| WWTP | Wastewater Treatment Plant Or Process |
| PESIS | Photoelectron Spectroscopy Of The Inner Shell |
| EIX | Electrochemical Ion Exchange |
| LSDXC | Local-spin-density-exchange-correlation (for Mol. Property) |
| SC | Surface Capacitance |
| DAXRT | Double-axis Reflection X-ray Topography |
| STA | Single-transition Approximation |
| ETP | Emerging Technology Program (USEPA SITE) |