| Acronym | Meaning |
| CAEAL | Canadian Association For Environmental Analytical Laboratories |
| HRELS | High-resolution Electron Energy-loss Spectroscopy |
| MES | Molecular Emission Spectroscopy |
| INDO/S | Intermediate Neglect Of Differential Overlap Screened Approxn. |
| QIOS | Quantum Infinite-order Sudden (method For Collisions) |
| BCUT | Burden CAS And University Of Texas |
| BCPCT | Best Conventional Pollutant Control Technology |
| HVEM | Herpesvirus Entry Mediator |
| CAST | Council For Agricultural Science And Technology |
| BNL | Brookhaven National Laboratory |