| Acronym | Meaning |
| QET | Quasi-equilibrium Theory |
| PHDF | Polyhalogenated Dibenzofuran(s) |
| ICBA | Improved (final-state) Coulomb Born Approximation |
| CERL | Corvallis Environmental Research Laboratory |
| SPIS | Surface Penning Ionization Spectroscopy |
| FDM | Field Desorption Microscopy |
| PDF | Probability Density Function |
| ISTEA | Intermodal Surface Transportation Efficiency Act |
| CISDTQ | Configuration Interaction With Single |
| PIXE | Particle Induced X-ray Emission |