| Acronym | Meaning |
| DWS | Drinking Water Standard |
| ACPR | Annular Core Pulse Reactor |
| PPGVB | Perfect Pairing Generalized Valence Bond (wave Function) |
| FBL | Fixed Bed Loop |
| TLP | Transient Liquid Phase |
| ICP | Inductively Coupled Plasma |
| OPAL | Omni-Purpose Apparatus At LEP |
| ACCSA | Adiabatic Capture Centrifugal Sudden Approximation |
| SD | Std. Deviation |
| MECA | Multiple Excitation Collisional Activation |