| Acronym | Meaning |
| USDW | Underground Source Drinking Water |
| HDI | High-density Inclusion |
| ASHP | American Society Of Health-System Pharmacists |
| WTA | Wind Trajectory Analysis (for Airborne Particulate Samples) |
| LCR | Ligase Chain Reaction |
| IRF | Instrument Response Function |
| SOFC | Solid Oxide Fuel Cell |
| PRF | Pulse Repetition Frequency |
| ECM | Exchange-charge Model |
| MEI | Maximally Exposed Individual |