| Acronym | Meaning |
| EBRT | Empty-bed Residence Time |
| PRMO | Partially Restricted Molecular Orbital |
| FLPMA | Federal Land Policy And Management Act |
| PEARL | Prediction Air Quality In Urban And Regional Locations |
| CEMOS | Complementary Enhanced Metal-oxide Semiconductor |
| VPO | Vapor Pressure Osmometry |
| DTMR | Diffusion Tensor Magnetic Resonance |
| NAEP | National Association Of Environmental Professionals |
| CEE | Center For Environmental Education |
| FIM | Forced Impulse Method (in Atom Ion-impact Ionization) |