| Acronym | Meaning |
| LEAP | Local-electrode Atom Probe |
| SRAPW | Scalar Relativistic Augmented Plane Wave |
| HMTA | Hazardous Material Transportation Act |
| PINA | Paraffins |
| AMSA | Association Of Metropolitan Sewerage Agencies |
| MS-RC(XI) | Multiple Scattering Relativistic Correlated (calcn. Method) |
| IGFA | Inert Gas Fusion Analysis |
| MIA | Multivariate Image Analysis |
| BHRA | British Hydromechanics Research Association |
| DNS | Determination Of Nonsignificance |