| Acronym | Meaning |
| RS-LMTO-ASA | Real Space-linear Combination Of Muffin-tin Orbitals-atomic Sphere Approxn. |
| WAS | Whole Air Sampler |
| MOX | Mixed Oxide |
| BEI | Biological Exposure Indices |
| BCS | Bragg Crystal Spectrometer |
| TSDC | Thermally Stimulated Depolarization Currents |
| CREG | Cross-reactive Group |
| ES | Electrospray [used Before MS For Mass Spectrometry] |
| BCGA | British Compressed Gases Association |
| SCTDA | Separated Channel Tamm-Dancoff Approxn. |