| Acronym | Meaning |
| PMF | Proton Motive Force |
| SDA | Subsurface Disposal Area |
| AOQL | Average Outgoing Quality Limit |
| QA | Quality Assurance |
| NARA | United States National Archives And Records Administration |
| ROHF | Restricted Open-shell Hartree-Fock |
| VCCPB | Variable-charge Coulomb-projected Born (approxn. For Electron-atom Scattering) |
| SME | Solid-metal Embrittlement |
| UTI | Urinary Trypsin Inhibitor |
| LFMO | Ligand Field Method Combined With Linear Combination Of Atomic Orbitals-molecular Orbital Method |