Radon testing in schools and childcare settings

The project

Location: Various municipalities in the canton of Zurich and surrounding cantons
Client: Political municipalities or school communities
Reason: The large amount of radon testing in schools and childcare settings
Duration: since 2018


After the new Radiological Protection Ordinance came into force on 1 January 2018, radon testing must now be carried out in schools, nurseries and some other childcare settings throughout Switzerland.

Ecosens AG is approved by the Swiss Federal Office of Public Health (BAG) to conduct radon testing.


Our services

  • Planning and coordinating the testing schedule with the officials in charge of the property
  • Positioning the radon dosimeters
  • Documenting the testing sites
  • Collecting dosimeters in accordance with upper range limits
  • Entering the values into the Swiss Federal Office of Public Health’s national radon database
    Writing test reports


  • Organisation of (cost-) effective inspections at school buildings, preschools and childcare settings run by municipalities
  • Coordinating testing schedules
  • Defining appropriate testing points
  • Identifying potential radon entry pointsn


Pia Buser Projektleiterin Raumluftqualität, Radonfachperson
Dipl. Umwelt-Ing. ETH
pbuser@ecosens.ch +41 44 839 47 45 Mehr

Pascal Diefenbacher Ressortleiter Raumluftqualität
Dr. sc. ETH, Umwelt-Natw.
pdiefenbacher@ecosens.ch +41 44 839 47 97 Mehr