| Acronym | Meaning |
| PDM3.1 | Probabilistic Dilution Model Version 3.1 |
| NIMR | National Institute For Medical Research |
| CNRS | Centre Nationale De La Recherche Scientifique (France) |
| OSTLS | Optical Saturation Thermal Lens Spectrometry |
| SRASE | Symmetry Restricted Annihilation Of Single Excitations |
| MAMU | Mobile (ambient) Air Monitoring Unit (Canada) |
| ADA | American Diabetes Association |
| SDLTS | Scanning Deep-level Transient Spectroscopy |
| IALLW-CAT | Isotope Area Liquid Low-level Waste Collection And Transfer |
| TOMS | Total Ozone Mapping Spectrometer |