| Acronym | Meaning |
| RSCA | Relativistic Semiclassical Approximation (for At. Scattering) |
| FSTRAC | Federal-State Toxicology And Risk Analysis Committee |
| RBF | Renal Blood Flow |
| LBE | Lance Bubbling Equil. |
| CXAES | Continuous X-ray-induced Auger Electron Spectroscopy |
| MB-SAPT | Many Body-symmetry Adapted Perturbation Theory |
| ND | Nitrification Denitrification |
| MIG | Metal Inert Gas (welding) |
| CNIE | Committee For The National Institute For The Environment |
| COPC | Contaminants Of Potential Concern |