| Acronym | Meaning |
| ERTD | Environmental Research & Technology Division |
| MMM | Mesoscale And Microscale Meteorology |
| AFV | Alternative Fuel Vehicle |
| ESML | Earth Science Markup Language |
| ACA | American Conservation Association |
| AQD | Air Quality Digest |
| FSK | Frequency Shift Key(ing) |
| NTIS | National Technical Information Service |
| POLEX | Polar Experiment |
| ESD | Employment Security Department |