| Acronym | Meaning |
| PAX | Photoemission Of Adsorbed Xenon |
| CAAT | Johns Hopkins Center For Alternatives To Animal Testing |
| TOPSE | Tropospheric Ozone Production About The Spring Equinox |
| NEPA | National Environmental Policy Act |
| VPSEM | Variable Pressure Scanning Electron Microscope |
| AHR | Airway Hyperresponsiveness |
| GOS | Generalized Oscillator Strength |
| DXRD | Dynamic X-ray Diffraction |
| AQM | Additive Quark Model |
| IAES | Ion Excited Auger Electron Spectroscopy |