| Acronym | Meaning |
| CCR | Climate Change Research |
| EEA | European Environment Agency |
| TDL | Tunable Diode Laser |
| FRC | Front Range Consortium |
| MARC | Middle Atmosphere Responses To Changes |
| PRECIP | Processing Of Emissions By Clouds And Precipitation |
| GLWQA | Great Lakes Water Quality Agreement |
| EACR | Environmental Area Characterization Report |
| M&O | Maintenance And Operations |
| DRA | Defense Research & Applications |