| Acronym | Meaning |
| FEBD | Fluid Extraction Biological Degradation Process For Organic Wastes |
| IEF | Isoelectric Focusing |
| WLM | Working Level Month (for Radiation Exposure) |
| MACS | Modified Atomic Charge Superposition (in Calcns. On Atom-surface Scattering Potentials) |
| PPG | Pike's Peak Granite (USGS Rock Standard) |
| IUGS | International Union Of Geological Sciences |
| GOMR | Global Ozone Monitoring Radiometer |
| GSC | Geological Survey Of Canada |
| ROG | Reactive Organic Gas |
| SLEAF | Scanning Laser Environmental Airborne Fluorosensor |