| Acronym | Meaning |
| NEDS | National Emission Data System (USEPA) |
| MPO | Modified Polarized Orbital |
| MWM | Morris Water Maze |
| SMT | Standards |
| HRT | Hormone Replacement Therapy |
| MLTCS | Mesosphere-lower Thermosphere Coupling Study |
| ANS | American Nuclear Society |
| EISCAT | European Incoherent Scatter Radar (atm. Sensing) |
| IMDL | Interlaboratory Method Detection Limits |
| HAB | Harmful Algal Bloom |