| Acronym | Meaning |
| ASTRA | Alliance For Science And Technology Research In America |
| DASHO | Designated Agency Safety And Health Official |
| NCLAN | National Crop Loss Assessment Network |
| RXTE | Rossi X-ray Timing Explorer |
| IIR | Isobutylene Isoprene Rubber |
| AFRICA | Asbestos Fiber Regular Informal Counting Arrangement |
| PNEC | Predicted No-effect Concentration |
| AGARD | Advisory Group For Aerospace Research And Development |
| HMC | Human Mast Cell |
| AAA | Abdominal Aortic Aneurysm |