| Acronym | Meaning |
| ERL | Environmental Research Laboratory |
| MAAC | Maximum Ambient Air Concentration |
| CEMAS | Complete Element Matrix Analysis From Scattering |
| NSF | National Sanitation Foundation |
| FEOE | Full Equalization Of Orbital Electronegativity |
| EHP | Electron-hole Plasma |
| GOME | Global Ozone Monitoring Experiment |
| MP2 | Moeller-Plesset Second-order Perturbation Theory |
| APSG | Antisymmetrized Product Of Separated Geminals |
| DVR-REV | Discrete Variable Representation-ray Eigenvector |