| Acronym | Meaning |
| OC | Office Of The Comptroller |
| DSID | Direct Sample Insertion Device |
| FGAN | Fertilizer Grade Ammonium Nitrate |
| RMP | Radon Measurement Proficiency |
| DVD | Digital Video Disk |
| NTR | Nontranslated Region |
| CCCTF | Core Conduction Cooldown Test Facility |
| FIRE | Flame Infrared Emission |
| BPEO | Best Practicable Environmental Option |
| ITCZ | Intertropical Convergence Zone (of Seawater) |