| Acronym | Meaning |
| EXES | Electron-induced X-ray Emission Spectrometry |
| GACT | Granular Activated Carbon Treatment |
| HSDP | Hawaiian Scientific Drilling Project |
| NMEP | National Materials Exposure Programme |
| SCS | Semiclassical Coupled-states |
| PMLG | Phase Modulated Lee-Goldburg (NMR Spectrometry) |
| WSD | Wear Scar Diameter |
| SFRC | Spruce-Fir Research Cooperative |
| GW-PG | Gaussian-weighted Planar Grid (method In Calcns. Of Electron-momentum Distributions) |
| PGE | Platinum Group Elements |