| Acronym | Meaning |
| RAMS | Regional Air Monitoring System |
| INDO/RZ | Intermediate Neglect Of Differential Overlap/Ridley-Zerner |
| IACUC | Institutional Animal Care And Use Committeepar |
| NODP | National Oceanic And Deposition Program |
| UAMO | Unprojected Alternant Molecular Orbital |
| FTU | Formazine Turbidity Unit |
| NASN | National Air Sampling Network |
| EIF | Electron Impact Fluorescence |
| XIS | X-ray Isochromat Spectroscopy |
| PBMS | Performance-based Measuring System |