| Acronym | Meaning |
| QAC | Quaternary Ammonium Compound |
| WQMSGL | Water Quality Modeling System For The Great Lakes |
| TSA | Thermal Swing Adsorption |
| IMG | Interferometric Monitor For Greenhouse Gases |
| MIC | Minimal Inhibitory Concentration |
| DTR | Diffusion Transfer Reversal |
| AFC | Automatic Frequency Control |
| IBSCA | Ion Beam Spectrochemical Analysis |
| ND | Nitrification Denitrification |
| PCA | Procoagulant Activity |