profette_IHB
New member
Some granite countertops contain high levels of uranium, which is not only radioactive but releases radon gas as it decays.
Reports of granite emitting high levels of radon and radiation are increasing...<a href="http://theater2.nytimes.com/2008/07/24/garden/24granite.html">linky</a>
Reports of granite emitting high levels of radon and radiation are increasing...<a href="http://theater2.nytimes.com/2008/07/24/garden/24granite.html">linky</a>