| Acronym | Meaning |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |
| MCIDAS | Man-computer Interactive Data Access System |
| LDM | Local Data Manager |
| GARP | Global Atmospheric Research Program |
| ECSA | Early Career Scientists Assembly |
| EIR | Eidgenossisches Institut Fur Reaktorforschung |
| OAO | Office Of Aircraft Operations |
| ACH | Air Changes Per Hour |
| DCG | Derived Air Concentration Guide For Uncontrolled Areas |
| MAC | Machine Aided Cognition |