| Acronym | Meaning |
| SMC | Small Magellanic Cloud |
| EXAFS | Extended X-ray Absorption Fine Structure |
| DWPF | Defense Waste Processing Facility |
| CCSC | Charge And Configuration Self-consistency |
| APU | Acid Purification Unit (acid Recovery System) |
| SUVA | Specific UV Absorbance |
| TCDW | Target Continuum Distorted-wave (in At.-collision Calcns.) |
| CARRI | Computerized Assessment Of Relative Risk Impacts |
| MPR | Maximum Permissible Risk |
| RFE | Relative Fit Error |