What Are Radon Action Levels?

Utah Radon Services
July 19, 2017
< 2 min read
radon action levels

If you are researching radon, you may have heard the term "radon action levels." A radon action level is an amount of pCi/L (picocuries per liter - measurement used for radon) that is not safe for your family and requires action. This can be confusing because there are varying activity levels. So how do you determine when you need to take action for the safety of your family?

Radon Action Levels

The Environmental Protection Agency (EPA) and The World Health Organization (WHO) have both conducted studies and come out with a recommended Radon Action Level.

The EPA has a radon action level of 4.0 pCi/L. Meaning if your home tests 4 or higher, a homeowner should be very concerned. They recommend immediate radon mitigation. However, they also say that because there is no safe level of radon, a homeowner should consider radon removal at 2.0 pCi/L.

The WHO conducted a 4-year study involving over 100 scientists from 30 different counties. Based on the results of this study, WHO recommends that homeowners mitigate their homes if they test above 2.7pCi/L. Because radon is the second leading cause of lung cancer in the US, WHO believes that even at relatively low levels, radon gas can still cause cancer.

So with somewhat conflicting information, how do you determine if you should have a radon removal system installed?

  • 4 or higher: immediate radon mitigation
  • 2.7 - 4: highly consider radon mitigation. This is above the WHO recommended action level.
  • 2 - 2.7: consider radon mitigation. Below both recommended action levels, HOWEVER, the EPA does recommend considering radon removal beginning at 2 pCi/L.

Radon gas is dangerous. It is estimated to cause about 21,000 lung cancer deaths per year. Why risk it? Utah Radon Services has made it very easy to protect your family. The first step is to test your home for radon gas, which we offer for free, simply fill out the form on this page. If your home is found to have high levels, or anything over a level of 2, we also offer free bids and competitively priced mitigation systems. Installation only takes a few hours and we can usually schedule it within a few weeks.

Fill out the form or call 801-871-0715 to get started.

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