| Acronym | Meaning |
| ERPG | Emergency Response Planning Guidelines |
| BSPT | Blizzard Santry Perturbation Theory |
| REOS | Remote Electro-Optical Sensor |
| PCB | Printed Circuit Boards |
| DCP | Dual Circular Polarization |
| EBS | Electron Backscattering |
| AQCCT | Air Quality Criteria And Control Techniques |
| RAS | Routine Analytical Services |
| AEAPS | Auger-electron Appearance-potential Spectroscopy |
| RAA | Rigid-atom Approxn. (in Electronic Structure Calcns.) |