| Acronym | Meaning |
| NHE | Na+-H+ Exchanger |
| LGL | Large Granular Lymphocyte |
| ADP | Auger Depth Profiling |
| PRIME | Plume Rise Model Enhancements |
| SNIFTIRS | Subtractively Normalized Interfacial Fourier Transform IR Spectroscopy |
| PMO | Perturbational Molecular Orbital |
| API | Active Pharmaceutical Ingredient |
| MOUSE | Modular Oriented Uncertainty System |
| EDF | Environmental Defense Fund |
| IWSA | International Water Supply Association |