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While Radon exists at some level in all areas around the world, whether in the air outside or in your home, the average acceptable level for indoors is 1.3 pCi/L. There is no safe level of Radon, but a test result reading of 4.0pCi/L or more is considered a risk level. However, there are methods to reduce the levels of Radon in your home.

What to do if you find high levels of Radon in your home.

Can Radon levels be reduced? 

Yes! It is recommended by the EPA that you take action to reduce yourhome's radon levels if your radon test result is 4 pCi/Lor higher. Most homes can be fixed for about the same cost as other commonhome repairs, like painting or having a new hot water heater installed.The average cost for a contractor to lower radon levels in a home is about $900, but this cost can range from $600 to about $2,600. 

How to reduce the Radon levels in your home.

Radon reduction contractors can install systems called "sub-slabdepressurization".These systems, which do not require major changes to your home, can effectivelyreduce Radon levels in your home. "Sub-slab depressurization" prevents radongas from entering the home from below the concrete floor and the foundation.There are other methods that may also work in your home. The right systemdepends on the design of your home and other factors.


Sub-slab to exterior

Sub-slab to attic

Test your home again after it is fixed to be sure that radon levelshave been reduced. If your living patterns change and you begin occupyinga lower level of your home (such as a basement) you should re-test your homeon that level. In addition, it is a good idea to re-test your home in the future to be sure radon levels remain low.

Call your state's Radon Contact for an approved Radon Reduction Contractorin your area.

HowRADON Gets Into Your Home

Howto Test for RADON

ALERTto Home Buyers & Sellers

Linksto Learn More

Here's a few examples of testing devices. Click here for full list

Pro Series radon detecor measures radon gas both short and long term

Radon gas in water test kit

Liquid Scintillation short term radon in gas test kit

Alpha Trak Long Term Radon Gas Test Kit

Radon Detector

Radon in Water

Radon in Air (48-96 hours)

Radon in Air (90-365 days)

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