| Acronym | Meaning |
| TEC | Transport Emergency Card |
| SCAQMD | South Coast Air Quality Management District |
| PIF | Photochemically-induced Fluorescence |
| ICMA | Immunochemiluminometric Assay |
| IRPTC | International Register Of Potentially Toxic Chemicals |
| SPAES | Spin Polarized Auger Electron Spectroscopy |
| PT-MVD | Perturbation Theory (with) Mass-velocity And Darwin (operators) |
| MIQ | Minimum Identifiable Quantities |
| THEL | Tactical High Energy Laser |
| KIE | Kinetic Isotope Effect |