| Acronym | Meaning |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |
| IR | Infrared |
| ITCZ | Intertropical Convergence Zone |
| UNEP | United Nations Environment Programme |
| ISS | Institute For Space Studies |
| SSB | Single Sideband |
| EUMAC | Part Of EUROTRAC |
| BCAPS | Biological Component Of The Air Pollution Studies |
| FRC | Front Range Consortium |
| BEMC | Boulder Emergency Management Center |