| Acronym | Meaning |
| INCH | Indirectly-bonded Carbon-hydrogen Shift Correlation |
| CSIA | Compd.-specific Isotope Anal. |
| APD | Air Particulate Detector |
| ACI | Acceptable Chronic Intake |
| FEGE | Free Electron Gas Exchange Approximation |
| IUVSTA | International Union Of Vacuum Science |
| AFFF | Aqueous Film-forming Foam |
| COS | Cosmic Origins Spectrograph |
| DOI | Department Of The Interior |
| HEDTA | Hydroxyethylethylenediaminetriacetic Acid |