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  1. South Dakota Air Quality - Radon

    Since the late 1980's, radon levels have been measured throughout the state of South Dakota. This data has been collected and compared to geological formations to yield the map shown …

  2. Radon | US EPA

    Nov 13, 2025 · Radon is a naturally occurring radioactive gas that can cause lung cancer. You can’t see or smell radon. Testing is the only way to know your level of exposure. Radon can …

  3. Testing for Radon in Your Home | Radon | CDC

    Feb 2, 2024 · Testing is the only way to know if there are high levels of radon in your home. Radon testing can be completed by a radon tester or by using a do-it-yourself radon test kit …

  4. How To Test for Radon and Get Rid of It - This Old House

    Nov 18, 2024 · Concerned about high radon levels? Learn about different radon testing methods and mitigation options in our comprehensive guide.

  5. What Is Radon Testing in Homes and How Does It Work?

    6 days ago · Measure the invisible risk of radon gas in your home. Learn how testing works, what the results mean, and steps for effective remediation.

  6. Radon - Eurofins USA

    Mar 19, 2025 · Because radon is undetectable by sight, smell, or taste, it’s essential to test your home. Thankfully, radon test kits are inexpensive, easy to use, and highly accurate. These kits …

  7. Radon Testing Basics | National Radon Program Services

    FAQ – Got Radon? Get Answers! General Radon Questions Radon Testing in Real Estate Radon Testing Basics Radon Testing 101 Testing Devices Testing Protocols

  8. Radon Testing: 7 Key Things Every Homeowner Should Know

    Jan 25, 2021 · Conduct the test in the lowest livable area of your house that is regularly used 8 to 10 hours per week. Short-term tests: These are useful to see if further testing is warranted. …

  9. Radon | Radon | CDC

    Information about how radon gets into your home, how it affects you, and how to reduce it.

  10. How to Test for Radon in Your Home | Family Handyman

    Apr 25, 2024 · There are three common methods for radon testing your air: Short-term test kits, which you leave out for two to 90 days, then send to a lab.