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  1. #1
    Join Date
    Jan 2008
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    Default Radon in Granite Countertops

    Has anyone ever heard of dangerous amounts of Radon in some Granite counter tops? I have been in the trades for years and this is new to me. Any unbiased help would be appreciated as I have a lot of Granite in my new home.

  2. #2
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    Default Re: Radon in Granite Countertops

    Radon is a radioactive gas formed by the decay of uranium.

    Unless you have high amounts of uranium contained in the granite counter tops it shouldn't be a concern.

    Now if the counter tops glow at night then maybe there's an issue.

  3. #3
    Join Date
    Nov 2007
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    980

    Default Re: Radon in Granite Countertops

    Quote Originally Posted by canuk View Post
    Radon is a radioactive gas formed by the decay of uranium.

    Unless you have high amounts of uranium contained in the granite counter tops it shouldn't be a concern.

    Now if the counter tops glow at night then maybe there's an issue.
    OH OH I did some honey onyx tops with under counter lighting, so that when they had dinner parties it would give off a ****en colored glow. hope they don't think they are being radiated.

    no worries of radon. most negative publicity comes either from not truly understanding how something happens or from competing products.

  4. #4
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    Default Re: Radon in Granite Countertops

    I did some honey onyx tops with under counter lighting, so that when they had dinner parties it would give off a ****en colored glow
    I'll bet that looks sharp.

  5. #5

    Default Re: Radon in Granite Countertops

    Are they Russian :Chernoble ?
    It would be a unique look
    wouldn't need a microwave anymore

  6. #6
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    Default Re: Radon in Granite Countertops

    It gives a new meaning to countertop cooking.

  7. #7

    Default Re: Radon in Granite Countertops

    Or Hot plate

  8. #8
    Join Date
    Nov 2007
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    980

    Default Re: Radon in Granite Countertops

    Ok now your on to something I think I could actually sell that as an upgrade

  9. #9
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    Default Re: Radon in Granite Countertops

    Quote Originally Posted by havanagranite View Post
    Ok now your on to something I think I could actually sell that as an upgrade
    Nothing like a nice solid granite countertop with Cherynobyl inserts ...

  10. #10
    Join Date
    Jan 2008
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    East coast, USA
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    Default Re: Radon in Granite Countertops

    Actually, most urainium deposits were formed when the radioactive elements leached out of granite. Granite almost always has uranium elements, some more than others, as much as 7,000 times more in some cases. High sensitivity airborne gamma-ray spectrometry has been used since the mid-1970ís in support of geological mapping and mineral exploration

    This study did a good job on explaining the risks.
    http://http://www.geocities.com/jnrp2005/v2n103.pdf


    Only one sample (Azoles Bahia) failed the sample, but the conclusions were eye opening. They recomended envioromental monitoring where granite mateials are used inside homes or anyplace that people had direct access to the material. The studies authors also warn of serious economic and social issues if the stone industry doesn't stop the practice of using different names for the same stone, as a simple mistake could result in a high radiation content granite being used inside a home.

    Other studies have show as many as 25% of the tested samples failing to meet UN standards. Not safe standards, but UN standards. There is no safe level of radiation.

    This site is a bit over the top, but their science is valid.

    http://http://solidsurfacealliance.o...on-issues.html

    The info on the Chinese granites was interesting.

    I'd get the granite tested if I were you to make sure it is one of the safer granites. There are plenty of them available.

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