| Acronym | Meaning |
| CBEA | Constrained Binary Encounter Approximation |
| GIXAS | Grazing Incidence X-ray Absorption Spectroscopy |
| CMSA | Consolidated Metropolitan Statistical Area |
| SOM | Self-organizing Map |
| DAC | Derived Air Concentration |
| SCC | Self-consistent Charge Method |
| DMA | Direct Multicomponent Analysis |
| NEPA | National Environmental Policy Act |
| SC-MBPT | Single-configuration Many-body Perturbation Theory |
| CCSA | Const. Current Stripping Anal. |