Sealing cracks and openings. This process drains water away from the property and with it the radon gas. A very expensive procedure. A series of pipes is installed beneath the foundation of the house to vent radon gas away from the foundation. Block wall ventilation.
Radon is drawn away from within the spaces of concrete blocks before it can enter the house.
Not as expensive as the previous two processes but still expensive. Solving a Radon problem does not have to be difficult. What about EMF's or electromagnetic fields. Over the past several months you may have heard some people expressing some concern about buying a house close to overhead power lines and these visible markers of where high energy electricity is flowing have caused some buyers to express doubts about buying homes near them. There is evidence that some kind of exposure to electromagnetic fields can cause serious health problems.