| Acronym | Meaning |
| MEP | Matrix Effective Potential (for Scattering Calcns.) |
| ODPAS | Optically Detected Photoacoustic Spectroscopy |
| GRRR | Graduated Response For Risk Reduction |
| GLAD | Great Lakes Atmospheric Deposition |
| ETI | Environmental Testing Industry |
| CWD | Chronic Wasting Disease |
| WKB | Wentzel-Kramers-Brillouin (phase-shift Formula For Potential Scattering) |
| EHMO | Extended Hueckel Molecular Orbital |
| HRXRD | High Resolution X-ray Diffraction |
| PPPA | Poison Prevention Packaging Act |