There are a number of different guideline and limit values for radon levels in Swedish homes and workplaces. These are set out in the National Action Plan by the Swedish Radiation Protection Authority.
Below is a list of current guideline and limit values from the National Action Plan.
Dwellings
Guideline and limit values for radon in indoor air
200 Bq/m³ - National reference level for radon in Sweden in dwellings. The level is inappropriate to exceed and should be addressed. If the public has access, the property owner must take measures.
There is also a guideline value for gamma radiation (a type of radiation that can damage body cells) in new buildings. The building material blue concrete emits gamma radiation, but at such a low level that it is not usually harmful to health. However, if the value is higher than 0.3 microsieverts per hour (0.3 µSv/h), the radon level in indoor air should also be measured.
Workplaces
200 Bq/m³ - National reference level for radon in Sweden in workplaces. l
Different rules apply to underground work, where individualised personal dosimetry may be necessary. Contact us and we will tell you more.