| Acronym | Meaning |
| GKS | Graphic Kernal System |
| UCARNET | University Cooperation For Atmospheric Research Network |
| EM-SCATTERING | Electromagnetic Scattering |
| ADI | Acceptable Daily Intake |
| NRC | National Research Council |
| DHC | Data Handling Center |
| SICIMS | Selected Iron Chemical Ionization Mass Spectrometry (or Spectrometer |
| UCSD | University Of California At San Diego |
| ITPR | Infrared Temperature Profile Radiometer |
| CBT | Computer Based Training |