| Acronym | Meaning |
| GRWA | Generalized Rotating-wave Approxn. (in Energy Level Calcns.) |
| CLOD | Concn. Limit Of Detection |
| ESA | Electrostatic Analyzer |
| LNAPL | Light Nonaqueous Phase Liquid |
| LAMMA | Laser Microprobe Mass Analysis |
| BPDA | Born Point Dipole Approximation |
| MCR | Max. Continuous Rating |
| ACRS | Advisory Committee On Reactor Safeguards |
| SWAG | Simulated Waste Access To Groundwater |
| ESMR | Electrically Scanning Microwave Radiometer |