| Acronym | Meaning |
| NPOESS | National Polar Orbiting Environmental Satellite System |
| SOTE | Standard Oxygen Transfer Efficiency (of Aeration Diffusers) |
| DGME | Diethylene Glycol Monomethyl Ether |
| RATL | Risk Analysis Testing Laboratory |
| CGCC | Coal Gasification/combined Cycle |
| APELL | Awareness And Preparedness For Emergencies At Local Level |
| HSPF | Hydrological Simulation Program-Fortran |
| DAEM | Distributed Activation Energy Model |
| AREAL | Atmospheric Research And Exposure Assessment Laboratory |
| ELSA | Electron Stretcher Accelerator |