| Acronym | Meaning |
| EGTF | Electron Gun Test Facility |
| EPR | Electon Paragmagnetic Resonance |
| NGI | Next Generation Internet |
| ETM | Enhanced Thematic Mapper |
| ACWA | American Clean Water Association |
| CASAC | Clean Air Scientific Advisory Committee |
| ERL | Environmental Research Laboratory |
| RUC-2 | Second Version Of The RUC Model |
| AWF | Aging Waste Facility |
| AMPE | Automated Message Processing Exchange |