| Acronym | Meaning |
| IIWG | International Investigator Working Group |
| TAP LS | Liquid And Solid Particles |
| MISR | Multiangle Imaging Spectroradiometer |
| TAP | Transportation Alternatives Program |
| GOS | Global Observing System |
| O AND A | Orbit And Altitude |
| EAG | Exposure Assessment Group |
| CAS | Cooperative Application Satellite |
| ACSH | American Council On Science & Health |
| AREAL | Atmospheric Research And Exposure Assessment Lab |