Almost one in five schools surveyed had at least one ground-contact room with a radon level at or above the EPA’s action level of 4pCI/L using short term measuring devices. This would indicate that nationwide over 73,000 classrooms have a potential radon problem. The EPA has recommended testing for radon in all schools in the US however most states do not require it. With radon being the second leading cause of lung cancer, testing and subsequently mitigating radon becomes an important task for schools to undertake. Follow the links below to learn about testing for radon and recommended mitigation methods. The source of radon beneath a school does not go away. So whatever fix is chosen for a school it must last the life of the building.

Radon in Schools from National Radon Program Services
Webinar: Radon in School Recorded March 22, 2018
Managing Radon in Schoolsfrom EPA’s IAQ Tools for Schools
EPA Map of Radon Zones in the US