| Acronym | Meaning |
| CDW | Continuum Distorted Wave |
| CATS | Corrective Action Tracking System |
| MIES | Metastable Impact Electron Spectroscopy |
| CIDS | Circular Intensity Differential Scattering |
| IWG | International Working Group |
| EXEFS | Extended X-ray Emission Fine Structure |
| MLEE | Multilocus Enzyme Electrophoresis |
| AGP | Alpha-1-acid Glycoprotein |
| GTF | Gaussian-type (wave) Function |
| UAM-IV | Urban Airshed Model Version IV |