| Acronym | Meaning |
| CIOSA | Classical Infinite-order Sudden Approxn. |
| RFETS | Rocky Flats Environmental Technology Site |
| DEXA | Dual Energy X-ray Absorptiometry |
| GE-EPMA | Grazing-exit Electron Probe Microanalysis |
| SPCC | System Performance Check Compound |
| TRXPS | Total Reflection X-ray Photoelectron Spectroscopy |
| SNAP | Significant New Alternative Policy |
| CPV | Cowpox Virus |
| AQO | Average Quadrupole Orientation |
| SICM | Scanning Ion-conductance Microscopy |