| Acronym | Meaning |
| GEENET | Global Environmental Epidemiology Network |
| DDQRPA | Double Direct Quadratic Random Phase Approximation |
| BTZ | Below The Treatment Zone |
| PP-MRD-CI | Pseudopotential-multireference Double Excitation-CI |
| FBG | Fiber Bragg Grating |
| AWPCF | Air And Water Pollution Control Facilities |
| DERP | Defense Environmental Restoration Program |
| OPTS | Office Of Pesticides And Toxic Substances (USEPA) |
| LEEM | Low-energy Electron Microscopy |
| LNDO | Local Neglect Of Differential Overlap |