| Acronym | Meaning |
| SCA | Standing Committee Of Analysts [probably Of EC] |
| BCPCT | Best Conventional Pollutant Control Technology |
| HPW | High Pressure Welding |
| GCO | General Coupling Operator (in Calcns. Of Vector Coupling For Atoms And Ions) |
| HOE | Holographic Optical Element |
| GVB-CI | Generalized Valence Bond-configuration Interaction (wave Function) |
| FNA | Fine-needle Aspiration |
| SEW | Site Electron-density Wave |
| ILAP | Inter-Laboratory Analysis Program |
| CHAP | Chronic Hazard Advisory Panel |