Radon is a naturally occurring radioactive gas that comes from underground and is present all over the earth. It can accumulate in buildings.
A limit of 300 becquerels / m³ as an annual average must not be exceeded (Law of 28 May 2019 and Grand-Ducal Regulation of 1 July 2019).er August 2019 on radiation protection).
This obliges companies located in the cantons of Clervaux, Diekirch, Redange, Vianden, and Wiltz to have measurements performed for at least 2 months in the period from 1er October to April 30, and this by an approved laboratory.
Other companies or organizations, outside the 5 areas identified above, must also comply with the same requirements. These are:
- Underground locations ( > 5 m, different from a basement)
- Educational institutions,
- Hospitals, nursing homes
- Thermal centers
- Correctional facilities
- Certain other buildings open to the public
It should be noted that if the reference level is exceeded, the exposed workers must be listed in a monitoring register.
Read more about www.radon-info.lu.