| Acronym | Meaning |
| PSM | Process Safety Management |
| VMD | Volumetric Mean Diameter (particulate Air Pollution) |
| ASMO | Antisymmetrical Molecular Orbital |
| FESTEM | Field-emission Scanning Transmission Electron Microscopy |
| LLE | Liquid Liquid Extraction |
| PHDD | Polyhalogenated Dibenzodioxin(s) |
| DRS | Dissolved Reactive Silicate |
| CAFNA | Coded Aperture Fast Neutron Analysis |
| PAI | Pesticide Active Ingredient |
| WHO | World Health Organization |