| CRESP | Consortium for Risk Evaluation with Stakeholder Participation |
| DFLAW | Direct Feed Low-Activity Waste |
| DNFSB | Defense Nuclear Facilities Safety Board |
| DOE | U.S. Department of Energy |
| DOE-EM | U.S. Department of Energy’s Office of Environmental Management |
| DOE-ORP | U.S. Department of Energy’s Office of River Protection |
| DWS | drinking water standard |
| EPA | U.S. Environmental Protection Agency |
| FBSR | fluidized bed steam reforming |
| FFCA | Federal Facility Compliance Act |
| FFRDC | Federally Funded Research and Development Center |
| GAC | granular activated carbon |
| GAO | U.S. Government Accountability Office |
| HEPA | high-efficiency particulate air |
| HLW | high-level waste |
| I | iodine |
| ICRP | International Commission on Radiological Protection |
| IDF | Integrated Disposal Facility |
| INL | Idaho National Laboratory |
| LAW | low-activity waste |
| LDR | land disposal restriction |
| NAE | National Academy of Engineering |
| NAS | National Academies of Sciences |
| NASEM | National Academies of Sciences, Engineering, and Medicine |
| MCL | maximum contaminant level |
| mrem | millirem [roentgen equivalent man] |
| PA | Performance Assessment |
| PE | Performance Evaluation |
| R&D | research and development |
| RCRA | Resource Conservation and Recovery Act of 1976 |
| SLAW | supplemental low-activity waste |
| SRNL | Savannah River National Laboratory |
| SRS | Savannah River Site |
| SSW | solid secondary waste |
| Tc | technetium |
| TOC | tank operations contract |
| TPA | Tri-Party Agreement |
| WCS | Waste Control Specialists |
| WIPP | Waste Isolation Pilot Plant |
| WTP | Waste Treatment and Immobilization Plant |