| Acronym | Meaning |
| MLVSS | Mixed Liquor Volatile Suspended Solids |
| CETA | Carbon Emission Trajectory Assessment Model |
| GOE | Gaussian Orthogonal Ensemble (of Random Matrixes In Quantum Chaoticity Study In At. And Nuclear Energy Levels) |
| NOAO | National Optical Astronomy Observatories |
| QA | Quality Assurance |
| TCEQ | Texas Commission On Environmental Quality |
| REO | Rare Earth Oxide |
| ALI | Annual Limit On Intake |
| GLISP | Great Lakes International Surveillance Plan |
| WRC | Water Resources Council |