Illinois
Missouri
Eastern Kansas
To include Kansas City and Topeka
Northern Tennessee
To include Memphis & Nashville
Western Indiana
To include Indianapolis & Evansville
NE Arkansas
Residential radon testing is available in the St. Louis Metro-East area. Primarily in the Illinois counties of St. Clair, Madison, Monroe & Clinton.
Commercial & Multifamily radon measurement is available throughout much of the Midwestern United States to include the following: