How long does radon test results take?

You should receive your test results within a few days or weeks. If you need results quickly, you should find out how long results will take and, if necessary, request expedited service. Whether you test for radon yourself, or hire a qualified tester, all radon tests should be taken for a minimum of 48 hours.

Is a 48 hour radon test accurate?

Summary: A new study finds the only reliable way to measure exposure to radon gas is with a long-term testing kit, 90 or more days. A University of Calgary led study finds the only reliable way to measure exposure to radon gas is with a long-term testing kit, which takes readings within the home for 90 or more days.

Can a radon test be wrong?

Precise Radon Test From day to day, or even from hour to hour, radon can be very high and drop down to a much lower level. As a result of these normal fluctuations, measuring radon over a short period (hours or days) will often give a false reading compared to what is the average for a long period (several months).

What should you not do during a radon test?

There is no need to change normal entry and exit routines but it is important to make sure that doors are closed when exiting. All external doors, windows, and vents should be kept closed from 12 hours before starting the test to the end of the test. Do not operate any whole house or window fans during the test.

Where is the best place to put a radon test?

Place a radon detector in the breathing zone, 2-6 feet above the floor, and away from drafts, exterior walls, sumps, drains, windows or doors. Radon may enter a building through cracks in the foundation or through sumps or drains and will usually be higher near these entry points.

How do I reduce radon in my basement?

In homes that have a basement or a slab-on-grade foundation, radon is usually reduced by one of four types of soil suction: subslab suction, drain-tile suction, sump-hole suction, or block-wall suction.

When is radon testing required?

In general, many states require some form of radon testing either before or during regular occupancy – whether the property is rented or owned. However, several states require heightened testing in “sensitive” areas where exposure to vulnerable groups is more likely.

Does your home or building need radon testing?

The EPA recommends that average annual indoor radon levels do not exceed 4.0 pCi/L. If your home is built with a passive radon system, you should test it immediately after moving in to make sure that radon levels are below the EPA guideline.

How much does radon inspection cost?

A radon inspection ranges between $148 and $753, averaging at $450. Home test kits range between $10 and $30. However, hiring a pro is the most accurate method of testing. Costs to mitigate average $1,000 and are separate from testing.

How do I get a radon test kit?

You can buy test kits at home improvement stores, hardware stores, or online. To order a test kit over the phone, call the National Radon Hotline at 1-800-SOS-RADON (1-800-767-7236). If your home has a radon level of 4 or higher, it’s time to take action.