| Acronym | Meaning |
| GEMS | Global Environmental Monitoring Systems |
| DIOP | Diisooctyl Phthalate |
| ADAM | Average Depleted Antarctic Meltwater |
| ISFSI | Independent Spent Fuel Storage Installation |
| ADMET | Adsorption |
| UCM | Unresolved Complex Mixt. |
| ADARD | Acid Deposition And Atmospheric Research Division |
| APD | Action Potential Duration |
| IRN | Indicator Radionuclide |
| ACIOSA | Adiabatic Capture Infinite Order Sudden Approximation |