Post Mitigation

Post Mitigation

Once your home has been mitigated, post mitigation radon testing should be done to ensure that radon levels in your home are below the EPA safe level.  Once the levels are confirmed to be below the safe level, EPA recommends that mitigated homes be retested every 2 years to ensure your system continues to keep indoor air radon levels below the EPA safe level.  Arizona Radon Professionals recommend that your system be inspected annually, as well.  Generally, the initial post mitigation test kits are included with the mitigation system installation and the homeowner does the testing.  The results are sent directly to Arizona Radon Professionals and we will share the results with you once they are received. 

Arizona Radon Professionals generally do not perform the initial post mitigation testing after they mitigate a house in order to avoid potential conflict of interest.

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Arizona and Radon Gas

Radon presence in Arizona is more severe than you might expect.

Arizona has been tracking radon test results since 1993, and based on these results:  

  • The average concentration of radon in homes in Arizona is 2.9 pCi/L
  • 1 in 4 homes in the state of Arizona are above the EPA recommended 4.0 pCi/L
  • The maximum concentration of radon found in a home in Arizona is 55.8 pCi/L
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