| Acronym | Meaning |
| SDA | Subsurface Disposal Area |
| DET | Direct Nonradiative Electronic Energy Transfer |
| WHH | Width At Half Height [in X-ray Diffraction] |
| CIPSO | Configuration Interaction (with) Perturbation (including) Spin-orbit Coupling |
| SAS | Surface-active Substance |
| SCEMR1 | Soil Chemical Exchange And Migration Of Radionuclides Model |
| LIESST | Light-induced Excited Spin State Trapping |
| CLF | Current Literature File |
| CIEEL | Chem. Initiated Electron Exchange Luminescence |
| MACSP | Marine Analytical Chemistry Standards Program |