Half-Priced Radon Test Kits Available Through February - Chelsea Update: Chelsea, Michigan, News chelseaupdate.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chelseaupdate.com Daily Mail and Mail on Sunday newspapers.
Washtenaw County homes can see high levels of the dangerous gas because of the geology of the area. WCHD says radon testing should take place every two to five years.