| Acronym | Meaning |
| APM | Airborne Particulate Matter |
| ICC | Intraatomic Correlation Correction |
| MHIDAS | Major Hazardous Incident Data Service (from UK Atomic Energy Authority) |
| EPA | Extended Pair Approxn. (in Elec. Cond. Calcn.) |
| WSPA | Western State Petroleum Association |
| LSM | Liquid Surfactant Membrane |
| RZWQM | Root Zone Water Quality Model |
| SPT | Standard Penetration Test |
| ESIG | European Solvents Industry Group |
| BHTV | Borehole Televiewers |