Granite Countertops Dangerous. Virginia Beach Countertops of areas the largest importer fabricator and installer of premium and exotic granite countertops serving Richmond Norfolk Chesapeake Newport News Virginia Beach areas. Now granite is not the only type of mineral rocks cut at these plants marble slab butcher block countertops and corian countertops.
Some granite used in countertops may contribute variably to indoor radon levels. Are at risk for significant crystalline silica exposure. To show how laughable are the concerns of radon emitted from natural stone the typical granite countertop in our example will release 74 x 10 -7 pCiL of air.
While radon gas and radiation emission levels attributable to granite are not typically high there are simply too many variables to generalize about the emissions from granite countertops.
Over the past decade various allegations have been made regarding granite countertops emitting dangerous levels of radon. Researchers currently studying the most commonly used granite in kitchen countertops have found that all the 55 samples theyve tested emit radon radiation at. It is possible for any granite sample to contain varying concentrations of uranium that can produce radon gas. And other regulatory agencies have received floods of phone calls from home owners and inspectors about high levels of radiation from granite countertops.