Radon Found In Granite Countertops

A new report published in the new york times is warning homeowners that their granite countertops could be a health hazard.

Some exotic varieties of granite, especially from Brazil and Namibia, have been found to emit hazardous levels of radon, a radioactive gas which can cause lung cancer. The Marble Institute of America says granite is known to contain small amounts of radioactive materials, but that the amounts contained in countertops are not enough to pose a health risk.

So what can you do if you have granite counters? The EPA says concerned homeowners can hire someone to test their countertops, or purchase a radon test kit at a hardware store.


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  • by Al Location: OKC on Dec 28, 2008 at 02:03 PM
    Best keep looking for info on this topic rather than believe the stone industry. Way too much money at risk, plus the have sucessfully covered this up for the past 14 years. They can’t tell the truth, so they keep digging the hole deeper. If this was a non issue, neither the CRCPD (state radiation officials) nor AARST (radon scientists) would have committees seting maximum allowable radiation/radon levels for stones and measurement protocols. ANSI and ASME are also looking into the controversy for their organizations. On the radon issue, we have a full scale radon test going currently, over 10 pCi/L so far from only 18square feet of granite in a 96 square foot room. That is like smoking 1 1/2 packs a day, http://forum.solidsurfacealliance.org/viewtopic.php?f=7&t=98ST We have a lot of info on the topics available. forum.solidsurfacealliance.org solidsurfacealliance.org/blog solidsurfacealliance.org
  • by Anonymous on Jul 25, 2008 at 04:20 PM
    Wow, I wonder who discovered this and what other items we have in our homes that might emit this hazardous material.
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