| Acronym | Meaning |
| CHARM | Coupled Hydrosphere-Atmosphere Research Model |
| SOM | Soil Organic Matter |
| CART | Classification And Regression Tree (method In Statistical Analysis) |
| HWS | Hazardous Waste Site |
| RET | Resonance Energy Transfer |
| WAS | Whole Air Sampler |
| CDS/ISIS | CDS/Integrated Set Of Information System |
| NNSA | National Nuclear Security Administration |
| FIRF | Finite Impulse Response Filter |
| PIRR | Polarized IR Reflection |