| Acronym | Meaning |
| LOAEL | Lowest Observed Adverse Effect Level |
| GGG | Gallium Gadolinium Garnet |
| TRIS | Toxic Release Inventory System |
| ADMS | Atmospheric Dispersion Modeling System |
| CTM | Conditional Test Method |
| NIRA | Near Infrared Reflection Analysis |
| SOPITA | South Pacific Isotopic And Thermal Anomaly |
| ETB | Extended Tight-binding (method For Electronic-structure Calcns.) |
| SIR-C | Spaceborne Imaging Radar-C |
| FLASH | Fluorescent Airborne Stratospheric Hygrometer |