| Acronym | Meaning |
| ESTEC | European Space Research And Technology Centre |
| IRIS | Integrated Risk Information System |
| SLBO | Strictly Localized Bond Orbital |
| CNRS | Centre Nationale De La Recherche Scientifique (France) |
| PIC | Public Information Center |
| APCS | Argonne Premium Coal Sample |
| CWLM | Continuous Working Level Monitor |
| INDC | International Nuclear Data Committee |
| XRS | X-Ray Spectroscopy |
| CBI | Compliance Biomonitoring Inspection |