| Acronym | Meaning |
| AES | Atomic Emission Spectroscopy |
| DAS | Data-Acquisition System |
| NCRP | National Council On Radiation Protection And Measurement |
| NCIS | Nadir Climate Interferometer Spectrometer |
| CCIG | Cloud Climate Interactions Group |
| EORV | Emergency Operating Records Vault |
| ATMOS | Atmospheric Trace Molecules Observed By Spectroscopy |
| ATSR | Argonne Thermal Source Reactor |
| IGPP | Institute Of Geophysics And Planetary Physics |
| EED | Exposure Evaluation Division |