However, the EPA recommends taking measures when radon levels surpass 2 picocuries per liter of air. Slipping through foundation cracks, wall cavities, service pipe leakages, construction joints ...

Radon remains the second leading cause of lung cancer in the United States and the latest American Lung Association “ State ...

For lower levels of radon, the simplest solution is to increase ventilation and natural air flow by opening doors and windows ...