| Acronym | Meaning |
| CIT | Cylindrical Ion Trap |
| MRL | Maximum Residue Limit |
| AGNES | Absence Of Gradients And Nernstian Equilibrium Stripping |
| RERS | Resonance-enhanced Raman Scattering |
| TMFA | Three-mode Factor Analysis |
| EPM | Empirical Pseudopotential Method |
| ACI | Acceptable Chronic Intake |
| IVCT | Intervalence Charge Transfer |
| ETS | Environmental Tobacco Smoke |
| EPCE | Effective Pair Correlation Energy Method |