| Acronym | Meaning |
| MRE | Mining Research Establishment |
| EIL | Electron Induced Luminescence |
| EHCO | Extended Hueckel Crystal Orbital |
| OA | Office Of The Administrator |
| SOPPA | Second-order Polarization Propagator Approxn. |
| NMMAPS II | The National Morbidity |
| LEPECVD | Low Energy Plasma Enhanced Chemical Vapor Deposition |
| EI | Electron Impact |
| BACT | Best Available Control Technology |
| CILS | Collision-induced Light Scattering |