| Acronym | Meaning |
| SPUPS | Spin Polarised Ultraviolet Photoelectron Spectroscopy |
| CIRES | Cooperative Institute For Research In Environmental Sciences |
| VMD | Vacuum Membrane Distillation |
| GIXAS | Grazing Incidence X-ray Absorption Spectroscopy |
| LLRW | Low Level Radioactive Waste |
| QAC | Quaternary Ammonium Compound |
| QBO | Quasi-biennial Oscillation (atm.) |
| IUGS | International Union Of Geological Sciences |
| PBB | Polybrominated Biphenyl |
| MLE | Maximum Likelihood Estimate |