In the winter the outdoor air coming into the house is warmed by the heat in the air being exhausted from the house. In warm weather, the process is reversed so outdoor air coming into the home is cooled. Other radon mitigation methods involve covering exposed earth in a basement which might involve sealing small areas to pouring a new concrete slab. To Remember It is a good idea to know a little about the various solutions in reducing radon levels so that you can better deal with your contractor. Ask how long the contractor has been in business.
Radon testing is relatively new.
Any corrective measure taken to reduce radon levels in your home should always be followed-up by further testing to make sure that the radon levels have been reduced. For additional information, contact your regional EPA office, or your state radiation protection office. About the BBB 1996 Better Business Bureau , Inc.