| Acronym | Meaning |
| ECIST | Estimated Chronic In Stream Toxicity |
| ALS | Acetolactate Synthase |
| DMCP | Double Microchannel Plate |
| SEP | Solar Energetic Particle (event) |
| SDF | Spin(-unrestricted) Density Functional |
| MVO | Modified Virtual Orbital |
| CBE | Coulomb-Bethe (for Electron-ion Scattering) |
| DHB | 2,4-dihydroxybenzoic Acid |
| BBP | Benzyl Butyl Phthalate |
| EETU | Environmental Education And Training Unit |