| Acronym | Meaning |
| TGTF | Trigonometric Gaussian-type Function |
| CAICISS | Coaxial Impact Collision Ion Scattering Spectroscopy |
| ICAP | Inductively Coupled Argon Plasma |
| HSGC | Headspace Gas Chromatography |
| XIAES | X-ray Induced Auger Emission Spectroscopy |
| MP2(FU) | MP2(full) Inner-core Electrons Are Included In The Approxn. |
| IRLG | Interagency Regulatory Liaison Group |
| LSS | Laser Synchrotron Source |
| MOS | Margin Of Safety |
| IWIC | International Waste Identification Code |