| Acronym | Meaning |
| MSA | Microscopy Society Of America |
| XAPS | X-ray Appearance Potential Spectroscopy |
| CSMA | Chemical Specialties Manufacturers Association |
| FPEIS | Fine Particulate Emissions Information System |
| IRES | Infrared Emission Spectroscopy |
| BAW | Bulk Acoustic Wave |
| SIBFA | Sum (of) Interactions Between Fragments (computed) Ab Initio |
| ERMS | Energy Resolved Mass Spectrometry |
| CGA | Chromogranin A |
| OCC | Organochlorinated Compound |