| Acronym | Meaning |
| MS | Multiple Scattering |
| NPD | Nitrogen Phosphorus Detector (gas Chromatography) |
| SHED | Sealed Housing For Evaporative Detn. |
| XAES | X-ray Excited Auger Electron Spectroscopy |
| DWT | Discrete Wavelet Transform |
| EDB | Ethylene Dibromide |
| ASM | Acoustic Surface Measurement |
| AQLV | Air Quality Limit Values |
| RTD | Resonant Tunneling Diode |
| MESFET | Metal Semiconductor Field-effect Transistor |