How to measure?
To know the concentration of radon within your building can request detectores to a specialised company and accredited for the measurement of radon in air according to the EN ISO/IEC 17025.
Once the teams of measurement are received, are placed following facilitated instructions, se muestrea during about three months, avoiding the summer period, and are returned for its analysis.
In the case of workplaces, the Nuclear Safety Council (CSN) has published a guide to plan and carry out measurements: