| Acronym | Meaning |
| PMF | Positive Matrix Factorization |
| NOV | Notice Of Violation |
| PBG | Photonic Band Gap |
| GRAPE | Global Relationship Assessment To Protect The Environment |
| LEI | Laser Enhanced Ionization |
| IMS | Ion Mobility Spectrometry |
| PASADENA | Para-hydrogen And Synthesis Allow Dramatically Enhanced Nuclear Alignment |
| NEA | Negative Electron Affinity |
| SIDP | Sputter Ion Depth Profiling |
| EI | Emissions Inventory |