| Acronym | Meaning |
| AIR | Aerosol Ionic Redistribution |
| AFRL | Air Force Research Laboratory |
| BAW | Bond-order Alternation Wave (mol. Orbital) |
| TDLDA | Time-dependent Local-density Approximation |
| MRL | Method Reporting Limit |
| ICP-MS | Inductively Coupled Plasma Mass Spectrometry |
| PBMS | Particle Beam Mass Spectrometry |
| LACE | Lectin Affinity Capillary Electrophoresis |
| DWS | Drinking Water Standard |
| UDI | Utility Data Institute (power Generation) |