| Acronym | Meaning |
| BCS | British Chemical Standard |
| SIC | Std. Industrial Code |
| UEL | Upper Explosive Limit |
| AFOEHL | Air Force Occupational And Environmental Health Laboratory |
| LEL | Lowest Effect Level |
| NADW | North Atlantic Deep Water |
| PDAP | Poly(diallyl Phthalate) |
| ACE | Acidity In Cloud Experiment |
| HRFS | High-resolution Fluorescence Spectroscopy |
| TDSF | Time-dependent Spencer-Fano (in At. And Mol. Inelastic Collisions) |