| Acronym | Meaning |
| ESWTR | Enhanced Surface Water Treatment Rule |
| VETESS | Vehicle Transient Emissions Simulation Software |
| PSC | Polar Stratospheric Clouds (in Antarctic) |
| ASR | Alkali-silica Reaction |
| EFVAO | Electric-field Variant Atomic Orbital |
| VASP | Vienna Ab Initio Simulation Package |
| CBEN | Center For Biological And Environmental Nan |
| NRRA | Nuclear Resonant Reaction Analysis |
| AFIS | Advanced Fiber Information System |
| ILWAS | Integrated Lake Water Acidification Study |