| Acronym | Meaning |
| PWBA-C-EX | Coulomb Corrected Plane Wave Born Approxn. (with) Exchange |
| FCSA | Frequency-corrected Sudden Approxn. (in Mol. Collision Calcns.) |
| CS-AAS | Continuous Source Atomic Absorption Spectroscopy |
| DCFCI | Density-constrained Full-configuration-interaction |
| DDAF | Dicretized Distributes Approximating Function (propagator |
| NKB | Nachklarbecken; Secondary Settling Tank |
| FR | Federal Register |
| CAPS | 3-(cyclohexylamino)-1-propanesulfonic Acid |
| FDSO | Full Diagonal Second-order (approxn. To)-green Function |
| MPD | Maximum Permissible Dose |