| Acronym | Meaning |
| RMAPS | Receptor Model Applied To Patterns In Space |
| ACL | Analytical Chemistry Laboratory |
| NTP | Normal Temperature And Pressure |
| RIR | Relative Inhalation Risk |
| ECCS | Emergency Core Cooling System |
| ODC | Optimized Double Configuration |
| IAP | Intracisternal A-particle |
| IXS | International XAFS Society |
| BSO | Brueckner Spin Orbitals |
| TAMS | Toxic Air Monitoring System (US EPA) |