| Acronym | Meaning |
| PFOA | Perfluorooctanoic Acid |
| PB | Polarized Born |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| PRIME | Plume Rise Model Enhancements |
| ASW | Amorphous Solid Water |
| AAM | Automated Auger Microprobe |
| HPSEC | High Performance Size Exclusion Chromatography |
| ROI | Reactive Oxygen Intermediate |
| OIRM | Office Of Information Resources Management |
| HPHF | Half-projected Hartree-Fock Model |