| Acronym | Meaning |
| SERON | Southern Regional Oxidant Network |
| PEOE | Partial Equalization Of Orbital Electronegativity (model) |
| VPEAD | Valence Photoelectron Angular Distribution |
| MBBR | Moving Bed Biofilm Reactor |
| BID | Background Information Document |
| EAES | Electron-excited Auger Electron Spectroscopy |
| LWIR | Long Wavelength IR |
| RBC | Rotating Biological Contactor |
| AAEM | Advanced Analytical Electron Microscope |
| BWO | Backward Wave Oscillator |