| Acronym | Meaning |
| ITRI | Inhalation Toxicology Research Institute |
| AAA | Abdominal Aortic Aneurysm |
| ITFM | Intergovernmental Task Force On Monitoring |
| OAPP | Oxidized Atactic Polypropylene |
| OMB | Office Of Management And Budget |
| UPD | Underpotential Deposition |
| MS X(ALPHA) | Multiple-scattering X(alpha) Exchange Method |
| GRRR | Graduated Response For Risk Reduction |
| PDK | Pyruvate Dehydrogenase Kinase |
| NSERC | Natural Sciences And Engineering Research Council (Canada) |