| Acronym | Meaning |
| NVR | Non-volatile Residue |
| ESIX | Electrically Switched Ion Exchange |
| RHFO | Relativistic Hartree-Fock One-channel (for Scattering) |
| POPCORN | Photo-Oxidant Formation By Plant Emitted Compds. And OH Radicals In North-Eastern Germany |
| ITC | Interagency Testing Committee (TSCA) |
| NOI | Notice Of Intent |
| PFTNA | Pulsed Fast Thermal Neutron Analysis |
| HAZ | Heat-affected Zone |
| IWKB | Iterated Wentzel-Kramers-Brillouin |
| RODAC | Regional Ocean Dumping Advisory Committee |