| Acronym | Meaning |
| QAR | Quality Assurance Reagent |
| SARA | Superfund Amendments And Reauthorization Act Of 1986 |
| RIOMETER | Relative Ionospheric Opacity Meter |
| ASPG | Antisymmetrized Product Of Separated Geminals Approxn. |
| WAS | Whole Air Sampler |
| AS | Auger Spectroscopy |
| TCO | Transparent Conducting Oxide |
| SCC | Self-consistent Collective Coordinate (in Reactive Collisions) |
| RTIL | Room-temperature Ionic Liquid |
| ARPS | Angle-resolved Photoelectron Spectroscopy |