| Acronym | Meaning |
| IRP | Installation Restoration Program |
| ACGIH | American Conference Of Governmental Industrial Hygienists |
| DZP | (double Zeta)-polarization Contracted Gaussian Basis Set |
| KAERI | Korea Atomic Energy Research Institute |
| TEMA | Tubular Exchanger Manufacturers Assocn. |
| ASLEEP | Automated Scanning Low Energy Electron Probe |
| CANMET | Canada Centre For Mineral And Energy Technology |
| SCS | Soil Conservation Service |
| DSRNA | Double-stranded RNA |
| MMCDF | Multichannel Multiconfiguration Dirac-Fock Method |