| Acronym | Meaning |
| SCS | Semiclassical Coupled-states |
| MCOPM | Multiconfiguration Optimized Potential Model |
| EMMA | Energy-dispersive Miniprobe Multielement Analyzer |
| VGO | Vacuum Gas Oil |
| WADR | Waste Acid Detoxification And Reclamation |
| ROV | Remotely Operated Vehicle |
| SIMP | Solar Irradiance Monitoring Program |
| EPC | Evaporative Pattern Casting |
| HMC SCF | Hybrid Multiconfiguration Self-consistent Field |
| MACT | Maximum Achievable Control Technology |