| Acronym | Meaning |
| NBS | Nuclear Backscattering Spectroscopy |
| GDF | Growth Differentiation Factor |
| ELV | End-of-life Vehicle |
| OCD | Overlapping Charge Density (model In Electronic Structure) |
| MF | Modifying Factor (in Oral RfD) |
| RAN | Residual Acrylonitrile |
| DCBA | Distorted-coupling Born Approximation |
| ESDIAD | Electron Stimulated Desorption Of Ion Angular Distribution |
| FPC | Fixed Partial Charge |
| EDRS | Enforcement Document Retrieval System |