| Acronym | Meaning |
| RAC | Reference Air Concentration (USEPA) |
| AAEC | Australian Atomic Energy Commission |
| CMC | Conditional Moment Closure [model] |
| LIGA | Lithographie |
| PIES | Penning Ionization Electron Spectroscopy |
| RICE | UK Regular Interlaboratory Counting Exchange (for Asbestos Analysis) |
| UVPS | Ultraviolet Photoelectron Spectroscopy |
| BMWI | Biomedical Waste Incinerator |
| ESP | Electron Spin Polarization |
| PSTC | Pressure Sensitive Tape Council |