Radon is a colorless and odorless gas that is known to cause cancer. Thousands of deaths each year are attributed to the exposure of radon gas.
The United States Environmental Protection Agency (EPA) has information about radon, its health effects, and areas affected by radon gas.
The EPA also provides resources for locating and purchasing radon home test kits.
Radon enters your home through cracks in floors, cracks in walls, gaps in construction joints, and wall cavities. Radon mitigation systems will typically include a fan venting gases from under a basement slab and sealing of cracks in basement concrete.
Pennsylvania is largely categorized as being in the red Zone 1. Zone 1, according to the EPA, are counties with predicted avrage indoor radon screening levels greater than 4 pCi/L. Pennsylvania's Department of Environmental Protection (DEP) has a wealth of information for homeowners in PA.