| Acronym | Meaning |
| CD | Centrifugal Decoupling Approximation (for Atom-mol.scattering) |
| RIS | Resonance Ionization Spectrometry |
| IBI | Index Of Biotic Integritypar |
| BDCT | Best Demonstrated Control Technology |
| PSRI | Planetary Sciences Research Institute |
| ISO | IR Space Observatory |
| EA | Environmental Assessment |
| SAI | Simplified Ab Initio Method |
| DPCSV | Differential Pulse Cathodic Stripping Voltammetry |
| GWSS | Groundwater Supply Survey |