| Acronym | Meaning |
| NESHAP | National Emission Standards For Hazardous Air Pollutants |
| AOX | Adsorbable Organohalogens |
| REDOR | Rotational Echo Double Resonance |
| FHCP | Federal Hazard Communication Program |
| MPE | Multiphoton Excitation |
| MW | Molecular Weight |
| SBA | Second Born Approximation |
| STIS | Space Telescope Imaging Spectrograph |
| SME | Solar Mesosphere Explorer |
| CSE | Correction (with The) Statistical Exchange Potential |