| Acronym | Meaning |
| MCSCRF | Multiconfigurational Self-consistent Reaction Field |
| BFS | Blast Furnace Slag |
| ASD | Active Subslab Soil Depressurization (for Radon Minimization In Buildings) |
| MIC | Microbially Induced Corrosion |
| DVR | Discrete Variable Representation (in Wave Function Calcn.) |
| ABBOT | Atomic Billiard Ball Orbital Theory |
| CSDA | Continuous Slowing Down Approximation |
| SCM | Surface Complexation Model (of Adsorption) |
| GPS | Global Positioning System |
| TMDL | Total Maximum Daily Load |