| AMSL | Above mean sea level |
| Bq | Becquerel |
| CBRN | Chemical, biological, radiological and nuclear |
| Co-60 | Cobalt-60, radioactive isotope |
| CPS | Counts per second |
| Cs-137 | Caesium-137, radioactive isotope of caesium |
| EPSG | European Petroleum Survey Group Geodesy |
| GBq | Gigabecquerel, Bq |
| GIS | Geographic information system |
| PRR | Pulse repetition rate |
| RN | Radiological and nuclear |
| SNR | Signal-to-noise ratio |
| UAV | Unmanned aerial verhicle |
| UGV | Unmanned ground vehicle |