| Acronym | Meaning |
| ECD | Environmental Cleanup Division |
| NASQAN | National Stream Quality Accounting Network |
| HTXRD | High-temperature X-ray Diffraction |
| ASO | Atomic Spin Orbital |
| OCP | Organochlorine Pesticide |
| SCOTCH | Spin Coherence Transfer In Chemical Reactions |
| AURA | Association Of Universities For Research In Astronomy |
| RACM | Regional Atm. Chem. Mechanism |
| LDC | Less Developed Countries |
| UTR | Untranslated Region |