| Acronym | Meaning |
| VTA | Ventral Tegmental Area |
| EXELFS | Extended Energy-loss Fine Structure |
| PIRSS | Polarization IR Surface Spectroscopy |
| FEF | Forced Expiratory Flow (lung Function) |
| HWS | Hazardous Waste Site |
| RBCA | Risk-based Corrective Action |
| TH | Total Hardness [of Water] |
| PQCD | Perturbative Quantum Chromodynamics |
| EFP | Explosively Formed Projectile |
| DODISS | Department Of Defense Index Of Specifications And Standards |