| Acronym | Meaning |
| LEEBI | Low Energy Electron Beam Irradiation |
| TPM | Two-potential Model (in At. Scattering Calcns.) |
| ISV | In Situ Vitrification |
| NSF | National Sanitation Foundation |
| ALAP | As Low As Possible |
| CTD | Charge Transfer Device (optical Spectroscopic Detector) |
| AGB | Asymptotic Giant Branch (stars) |
| AWRA | American Water Resources Association |
| CPAC | Center For Process Analytical Chemistry |
| UMINDO | Spin-unrestricted Modified Intermediate Neglect Of Differential Overlap |