Hosted on MSN1mon
Improved radon gas mapping finds nearly 25% of Americans living in highest risk areas
Regional variations were much more significant. Five radon zones were established based on predicted average concentrations. Zone 2 (37–74 Bq/m 3) cuts across the country, keeping just south of ...
WPXI28d
Local woman pushes to require schools to test for radon
Most Western Pennsylvania counties are in radon zones 1 or 2, according to the EPA, meaning they have the highest potential for elevated indoor radon levels. In fact, 40% of Pennsylvania homes ...