Building Type

Please, select the most appropriate type of building.

Radon Mitigation System

Please, select "Yes" if a Radon, passive or active, mitigation system was installed by a professional and is still operational. You should choose "No" if no system was installed or currently the system is not turned on. Otherwise, use "I don't know".

Independent of your answers to Building Type and Radon Mitigation System, the mobile app will work regardless of the choice. This information will help us to provide better support if you encounter questions or problems later.

Press Next when done to continue.

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