| Acronym | Meaning |
| PDI | Polarization-division Interferometry |
| EU | European Union |
| IMWIR | Interim Mixed Waste Inventory Report |
| BSS | Backscattering Spectroscopy |
| MBAS | Methylene Blue Active Substance (surfactant) |
| STM | Symptom Tree Model |
| MC-CEPA | Multiconfigurational CEPA |
| AMN | Alkali Metal Nitrite(s) |
| ATW | Accelerator Transmutation Of Waste (for Radioactive Waste) |
| QD | Quantum Dot |