| Acronym | Meaning |
| TOTO | Totable Tornado Observatory |
| ASH CAN | Project Ash Can |
| ATRAD | Detailed Atmospheric Radiation Model |
| UVDM | Ultraviolet Double Monochromator |
| NILU | Norwegian Institute For Air Research |
| FEPCA | Federal Environmental Pollution Control Act |
| OAS | Organization Of American States |
| AKP | Atmospheric Kinetics Project |
| PSU | Pennsylvania State University |
| NAE | National Aeronautical Establishment |