| Acronym | Meaning |
| FRC | Federal Records Center |
| MLRA | Multiple Linear Regression Analysis |
| TOF | Turnover Frequency |
| CSA | Coupled Static Approxn. (in Scattering Calcns.) |
| RMLC | Recommended Maximum Contaminant Level |
| RWMC | Radioactive Waste Management Complex (INEL) |
| ACIMS | Active Chemical Ionization Mass Spectroscopy |
| HFS | Hyperfine Structure |
| BIS | Bispectral Index |
| ASTRAP | Advanced Statistical Trajectory Regional Air Pollution Model |