Radon In Granite Kitchen Countertops
Camila Farah
Commonly employed mitigation techniques can reduce the radon level coming from soil.
It is prudent to limit your family s exposure to radon whenever possible. Originally published on january 1 2017. Some granite countertops may emit radon. No matter if you re installing new granite countertops in your kitchen or looking to buy a new home testing for radon is a simple way to help confirm the levels in your home are safe.
Assuming a relatively tight house with an air change rate of 0 5 per hour h 1 and using average measured dose rates from granite countertop slabs the estimated radon concentration in kitchen air would be. Call 1 800 sos radon 767 7236 or purchase do it yourself home radon test kits at home store retail locations or online. Recently many radon labs reported that consumers are placing their radon in air test devices on granite surfaces under bowls buckets baking pans or other similar containers. In fact the paint in your home may be more harmful because of the low voc compounds.
Beware of suggestions to place an ordinary radon test kit under an inverted container of an unknown volume. Using this method to determine. The truth of the matter is that we live in a. While radon gas and radiation emission levels attributable to granite are not typically high there are simply too many variables to generalize about the potential health risks inside a particular home that has granite countertops.
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November 2008 a major study by one of the world s leading environmental research firms shows that in the most common types of granite there is significantly less radon exposure than the background levels you are exposed to outdoors. According to a professional from the national radon program services at ksu the amounts of radon found in granite countertops is minuscule. Most countertop materials will have radon in them but the concentrations are not so large that there is a need to worry. Such an experiment will 99 of the time grossly over report the radon levels.To reduce the risk of lung cancer from exposure to radon epa recommends testing all homes for radon regardless of whether the home contains granite countertops. The reports were about granite countertops that contain radium which can emit radon a radioactive gas that can cause lung cancer. Homeowners gulped after reading newspaper stories that conjured up frightening images of a three mile kitchen island. At most only a tiny percentage of them have been tested for radon or radiation levels but a recent test of 13 types of granite typically used for countertops found no radon or very low levels of.
In july 2008 news articles appearing in the new york times and the houston chronicle cast light upon a household toxin. Some granite countertops have been found to give off trace amounts of radon and reporters cited a few kitchens with radon levels as. Radon emissions from granite countertops are low.
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