| Acronym | Meaning |
| ES | Emission Spectroscopy (technique Suffix) |
| ERL/GB | Environmental Research Laboratory Gulf Breeze |
| CUS | Coordinatively Unsaturated Site |
| EMAT | Electromagnetic-acoustic Transducers |
| DRIS | Double Resonance Ionization Spectroscopy |
| NTNCWS | Nontransient, Noncommunity Water Supplies |
| HYSCORE | Hyperfine Sublevel Correlation Spectroscopy |
| VPT | Variational Perturbation Theory |
| WWTP | Wastewater Treatment Plant Or Process |
| SAW | Surface Acoustic Wave |