| Acronym | Meaning |
| DPAV | Differential Pulse Adsorption Voltammetry |
| HRGS | High-resolution Gamma-ray Spectrometry |
| CWS | Community Water System |
| CF | Cystic Fibrosis |
| GPCP | Global Precipitation Chemistry Program |
| CEA | Carcinoembryonic Antigen |
| NRC | Nuclear Regulatory Commission |
| LASTO | Linear Augmented Slater-type Orbital (for Electronic Structure) |
| SC-SI | Semiclassical State Interaction (method For Solving Schroedinger Equation) |
| PNEC | Predicted No-effect Concentration |