| Acronym | Meaning |
| MGD | Million Gallons Per Day |
| DSVI | Diluted Sludge Volume Index |
| ATD | Alzheimer Type Dementia |
| SBCOD | Slowly Biodegradable Chemical Oxygen Demand |
| ASTDR | Agency For Toxic Substances And Disease Registry |
| CAP | Capacity Assurance Plan |
| AEI | Avalanche Electron Injection |
| MPK | Methyl Propyl Ketone |
| TACI | Transmembrane Activator And CAML Interactor |
| ATTIC | Alternative Treatment Technology Information Center (US EPA) |