Radon in Sitten
Valais, Switzerland
Geological Context
Location and surrounding area
No official radon classification is available for this municipality.
What the regulations require
Dwellings
Reference level 300 Bq/m³ for inhabited spaces (reduced from 1000 Bq/m³ in 2018, StSV).
Workplaces
Reference level 300 Bq/m³ for workplaces. Threshold level 1000 Bq/m³ for specially exposed workplaces.
New construction
New buildings in radon-affected areas must include protection measures. Reference level 300 Bq/m³.
Professional services in Sitten
Radon Specialists (FOPH-recognized)
FOPH-recognized radon specialists for measurement and consulting
Recognized Radon Measurement Offices
FOPH-recognized measurement offices with SAS accreditation for passive and active radon monitoring
Radon Remediation Companies
Companies specializing in radon mitigation including depressurization, sealing and ventilation
What should you do?
Regardless of the official classification, the only way to know the radon level in a specific building is to measure it. A long-term test (at least 3 months) is recommended. You can either test yourself with passive detectors or hire a certified professional.
FAQ
What does the radon potential classification mean?▾
The radon potential indicates the likelihood that buildings in this area will have elevated radon levels, based on geological and measurement data from official authorities. It does not predict the level in any individual building.
Is measurement mandatory here?▾
It depends on the national regulations and the type of building. In priority action zones, measurement is often mandatory for workplaces and public buildings. For dwellings, measurement is generally recommended. Check the obligations section above for details specific to this country.
What should I do if the level is above the reference level?▾
If your long-term measurement exceeds the national reference level, mitigation measures such as sub-slab depressurization, sealing or improved ventilation can reduce radon levels significantly. Contact a qualified radon professional.