| Acronym | Meaning |
| AESOP | Airborne Experiment To Study Ozone Production |
| SRC | Selective Reduction Catalysts (for Denitration) |
| LFECA | Low Frequency Eddy Current Array |
| FDR | Frequency Domain Reflectometry |
| APYS | Auger-electron Partial Yield Spectroscopy |
| MARISS | Mass Resolved Ion Scattering Spectrometry |
| PIRSS | Polarization IR Surface Spectroscopy |
| VRDDO | Variable Retention Of Diatomic Differential Overlap |
| OPANA | Operational Version Of The Atm. Mesoscale Numerical Pollution Model |
| SESF | Superlattice Extrinsic Stacking Fault |