| Acronym | Meaning |
| CC-CPA | Charge-correlated CPA |
| NSDWR | National Secondary Drinking Water Regulations |
| BEAR | Business And Environmentalists In An Alliance For Recycling |
| IPM | Independent Particle Model |
| CMC | Critical Micelle Concentration |
| NERVA | Nuclear Engine For Rocket Vehicle Application |
| CAEDYM | Computational Aquatic Ecosystems Dynamic Model |
| DLOS | Deep-level Optical Spectroscopy |
| MFC | Multiconfigurational Frozen Core (approxn. For Electron-atom Scattering Calcns.) |
| RACT | Reasonably Available Control Technology |