| Acronym | Meaning |
 | PCRGA | Precipitation Chemistry |
| NTIS | National Technical Information Service |
| MD | Master Directory |
| VLSI | Very Large Scale Interface |
| CAA | Clean Air Act |
| AVS | Application Visualization System |
| L | Lunar |
| ETL | Energy Technology Programs |
| AIF | Atomic Industrial Health Forum |
| EASOE | European Arctic Stratospheric Ozone Experiment |
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