| Acronym | Meaning |
| EIES | Electron Impact Emission Spectroscopy |
| VHAP | Volatile Hazardous Air Pollutant |
| PSD | Particle Size Distribution |
| DPA | Differential Pulse Amperometry |
| DPASV | Differential Pulse Anodic Stripping Voltammetry |
| ABMA | American Boiler Manufacturers Association |
| TDFGH | Time-dependent Fourier Grid Hamiltonian (method) |
| ESPI | Electronic Speckle Pattern Interferometry |
| SEAMOS | Single-excitations-adapted Molecular Orbitals |
| QUASH | Quality Assurance Of Sample Handling [a EU Project] |