| Acronym | Meaning |
| VSIP | Valence State Ionization Potential |
| MO | Molecular Orbital |
| ECNIMS | Electron Capture Negative Ionization Mass Spectrometry |
| CGA | Colloidal Gas Aphron |
| HFCC | Hyperfine Coupling Constant |
| CGTB | Cellular And Genetic Toxicology Branch |
| LPIC | Low Pressure Ion Chromatography |
| GEMS | Global Environmental Monitoring Systems |
| FRDS | Federal Reporting Data System |
| HDPEX | Cross-linked |