| Acronym | Meaning |
 | ARG | Appointments Review Group |
| ACT | Atmospheric Chemical Transformations |
| M-ISWS | Illinois State Water Survey |
| AL/HPD | AL Health Protection Division |
| AFNE | American For Nuclear Energy |
| TOPS | Transcendental Operating System |
| ALPTRAC | Part Of EUROTRAC |
| PRECIP | Processing Of Emissions By Clouds And Precipitation |
| EMACS | An On-line Text Editor Distributed As Part Of The GNU Package Of UNIX Software |
| NGS | National Geodetic Survey |
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