| Acronym | Meaning |
| PBCIMS | Particle Beam Chem. Ionization Mass Spectrometry |
| TID | Thermionic Ionization Detector |
| PPB | Parts Per Billion |
| BAF | Biological Aerated Filter |
| IEMA | Immunoenzymometric Assay |
| ETA | Eigenstructure Tracking Analysis |
| TPR | Tetratricopeptide Repeat |
| MIES | Metastable Impact Electron Spectroscopy |
| COPM | Carter Ozone Per Mile |
| LDV | Laser Doppler Velocimetry |