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Radon At-A-Glance

Ground Floor Home Inspection, Inc. is a Colorado licensed radon testing service, having completed the Radon Measurement with Analytical Services course through the National Radon Proficiency Program. We use Sun Nuclear 1028XP machines that are placed per EPA protocol for a minimum period of 60 hours.


Radon is a cancer-causing natural radioactive gas that you can't see, smell, or taste. Its presence in your home can pose a danger to your family's health. 


Radon is the leading cause of lung cancer among non-smokers second leading cause of lung cancer in America. Radon is estimated to cause about 21,000 lung cancer deaths per year, according to the EPA's2003 Assessment of Risks from Radon in Homes.  (EPA 402-R-03-003)


The U.S. Surgeon General and EPA recommend that all homes be tested for the presence of radon. 


You should test for radon and take action if your recorded radon level is greater than 4.0 pCi/L (pico-curies per liter). If your radon level is above 4.0 pCi/L radon mitigation systems can reduce the level of radon to a safe level in your home.


To learn more about radon and view a citizens guide to radon, go to view the Home Buyer or Seller's Guide at


Here is an excellent video that describes basic information on the dangers of radon: The Facts about Radon - Its Deadly



As of July 1, 2022, in order to test or mitigate radon, the radon technician must be licensed by the state of Colorado. 

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