| Acronym | Meaning |
| FSIS | Food Safety And Inspection Service |
| AVHRR | Advanced Very High Resolution Radiometer (NASA) |
| PEF | Peak Expiratory Flow |
| CETP | Cholesteryl Ester Transfer Protein |
| MRL | Minimum Reporting Level |
| OPCW | Organization For Prohibition Of Chemical Weapons |
| AMD | Age-related Macular Degeneration |
| GIXD | Grazing Incidence X-ray Diffraction |
| OPTS | Office Of Pesticides And Toxic Substances (USEPA) |
| ICISS | Impact Collision Ion Scattering Spectroscopy |