| Acronym | Meaning |
| EIS | Emissions Inventory System (US EPA Air Database) |
| FEV | Forced Expiratory Volume (measure Of Lung Function) |
| FMRI | Functional Magnetic Resonance Imaging |
| GDF | Growth Differentiation Factor |
| ERM | Electron Redistribution Model |
| MSFC | Marshall Space Flight Center |
| DIIMFP | Differential Inverse Inelastic Mean Free Path |
| AAS | Atomic Absorption Spectroscopy |
| BOA | Bond Orbital Approximation |
| FRCA | Fire Retardant Chemicals Association |