| Acronym | Meaning |
| TCDFT | Two-component Density Functional Theory |
| COCP | Cut-off Coulomb Potential |
| ISVS | In Situ Vapor Stripping |
| NLMO | Nonorthogonal Localized Molecular Orbital |
| ERRIS | Emergency And Remedial Response Information System |
| BOSS | Bistable Optically Controlled Semiconductor Switch |
| QFAA | Quartz Furnace Atomic Absorption |
| BHRA | British Hydromechanics Research Association |
| RPP | Reverse Pulse Polarography |
| ECNICI | Electron Capture Negative Ion Chemical Ionization |