| Acronym | Meaning |
| ITPOT | Improved Two-parameter Omega Technique |
| CCSD-GF | CCSD-green Function |
| FWHP | Full Width At Half Peak |
| EOTC | European Organization For Testing And Certification |
| FMVCP | Federal Motor Vehicle Control Program |
| VGF | Vertical Gradient Freeze |
| TESS | Transform Method For Extinction-scattering With Spatial Resoln. |
| IGC | Inverse Gas Chromatog. |
| ITC | Interagency Testing Committee (TSCA) |
| PCMI | Pellet Cladding Mechanical Interaction |