| Acronym | Meaning |
| DSPIL | Direct Solar Pumped Iodine Laser |
| SAPW | Symmetrized Augmented Plane Wave |
| MC | Mclean-Chandler Basis Set |
| ELS | Energy Loss Spectroscopy |
| SPPD | Spin Polarized Photoelectron Diffraction |
| ADMIS | Agfa Document Management Information System |
| EMIS | Environmental Management Information System |
| ZHE | Zero-headspace Extractor (used In TCLP Determinations) |
| ESARDA | European Safeguards Research And Development Association |
| APF | Advanced Particle Filter |