| Acronym | Meaning |
| HESS | High Energy Stereoscopic System |
| UVAS | UV Absorption Spectroscopy |
| CAEDYM | Computational Aquatic Ecosystems Dynamic Model |
| ICM | Intracluster Medium |
| NAPIAP | National Agricultural Pesticide Impact Assessment Program |
| OPPT | Office Of Pollution Prevention And Toxics (US EPA) |
| RAMP | Receptor Activity Modifying Protein |
| EMAP | Energy-modified Adiabatic Phase (matrix Method) |
| DRO | Diesel-range Organics |
| NNSA | National Nuclear Security Administration |