| Acronym | Meaning |
| EBS | Extended Basis Set |
| PEARL | Prediction Air Quality In Urban And Regional Locations |
| GC | Guanine + Cytosine |
| PTWI | Provisional Tolerable Weekly Intake |
| IDLH | Immediately Dangerous To Life Or Health |
| REA | Retrospective Exposure Assessment |
| PED | Plasma Emission Detector |
| OLSR | Ordinary Least Squares Regression |
| ICV | Initial Calibration Verification |
| SAC | Spectral Absorption Coeff. |