| Acronym | Meaning |
| CAWG | Clean Air Working Group |
| GEMI | Global Environmental Management Initiative |
| IAQINFO | Indoor Air Quality Information Clearinghouse |
| ACEMS | Angular Conversion Electron Moessbauer Spectroscopy |
| GBS | Generalized Bohr-Sommerfeld (quantization Method) |
| DI | Differentiation Index |
| NCB | National Coal Board |
| GPT | Generalized Pseudopotential Theory |
| EID | Electron Impact Desorption |
| CFE | Cold-feed Extrusion |