Copyright 2014, KDHE and Kansas State University. Caution: This map has been produced from the results of a limited statewide indoor radon survey completed by KDHE in 1988, with the addition of indoor radon data collected since. Data used for this map was current through June 2014. As further data becomes available, revision will be necessary. This map is provided free of charge to the public and is generated for study purposes only. Permission is hereby given to reproduce this map provided it is reproduced in its entirety without modification. This map cannot be used to characterize or predict indoor radon levels at any specific area or location. Measurement must be performed to determine radon levels in any given residence or building. Contact the Kansas Radon Program at (800) 693-5343.