Radon is found everywhere. This naturally-occurring odorless radioactive gas enters homes from the soil around and under foundations. Radon is the leading cause of lung cancer among non-smokers. The US EPA estimates that over 20,000 Americans die of radon-induced lung cancer each year.[1] Lung cancer risk goes down if the radon concentration in your home is lowered. The only way to know if you and your family are at risk from radon is to test your home.  Homes, schools, and other buildings can be tested with RSSI's do-it-yourself kits.

RSSI's two alpha track radon detectors have been optimized to be the best performing detectors available today.  Use RSSI's radon detectors to measure the radon concentration in your home and learn if it needs to be lowered. Radon concentrations, like temperature, vary with the time of day, the season, weather conditions, and location.  For the best indicator of the average radon concentration in your home, the test should be for as long as possible, up to a year.

The US EPA, the Surgeon General, the American Lung Association, the American Medical Association, and the National Safety Council all recommend testing homes for radon.

  • RSSI AT-101 do-it-yourself radon gas test kits are $28 each, or $25 when purchasing 6 or more kits. Order test kits here or from Amazon.com.

  • Discounts are available for large orders or professional packaging.  See our Radon Professionals page for more information.


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