The free radon test kits provided by Rocky Mountain American Association of Radon Scientists and Technologists have all been given away. You can still purchase a discounted test kit for $9.95.
Public information videos, radon in Colorado, how radon gets in, radon in schools
Test kits, where to test, how to test, find a contractor, file a complaint against a contractor
Low-income mitigation assistance
Dealing with radon in real estate transactions, radon-resistant construction
Colorado Environmental Public Health Tracking, awareness and behavior, radon in schools