| Acronym | Meaning |
| HEM | Human Exposure Model |
| PREVENT | Pacific Northwest Regional Visibility Expt. Using Natural Tracers |
| DFFT | Double Forward Fourier Transformation |
| GLEAMS | Groundwater Loading Effects Of Agricultural Management Systems |
| PO | Projection Operator |
| FWHP | Full Width At Half Peak |
| ELO | Equivalent Localized Orbitals |
| CEN | Comite Europeen De Normalization |
| DIBAH | Diisobutylaluminum Hydride |
| GRRR | Graduated Response For Risk Reduction |