Does Granite Kitchen Countertops Give Off Radon
Camila Farah
But bill brodhead president of wpb.
This is perfectly illustrated by the contrast of the vivid veining and coloration of fusion granite by msi versus the simple monochromatic. If it emits radon it typically does so at very low levels. From published scientific literature it seems that the amount of radon from granite countertops is minuscule. Tips from the trade.
Some granite countertops have been found to give off trace amounts of radon and reporters cited a few kitchens with radon levels as high as 25 times the epa s safety limit of 4 picocuries per liter of air. However in some instances tests have found that granite countertops give off potentially dangerous levels of radiation. Your granite countertop health concerns answered january 19 2017 photo credit. Some granite used for countertops may contribute variably to indoor radon levels.
I ve personally used a geiger counter to test many countertops and only a couple times have i. Homeowners with quartz countertops may or may not be aware of what radon is and how it can affect specific areas of a home but many new or older homes are often tested for it through a home inspector or individual home radon test kits to help alleviate the worries associated with it. In the united states radon gas in soils is the principal source of elevated radon levels in homes. The decision whether to use it or rip it out if it s already in a house you buy really becomes a personal decision about what products you bring into your home similar to whether to use traditional paints or those with only no or low voc compounds emery says.
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In a small number of homes the building materials e g granite and certain concrete products can give off radon although building materials rarely cause radon problems by themselves. However at this time epa believes that the existing data is insufficient to conclude that the types of granite commonly used in countertops are significantly increasing indoor radon levels. Certain regions have higher levels of radioactivity than others and scientists have worked for years to determine where they are. While radiation levels are not typically high measurement of specific samples may reveal higher than expected levels on a case by case basis.
Some granite and other natural stones contains trace amounts of uranium. However any radiation present would decrease quickly with increasing distance from the source. According a worker at one stone yard i visited the radon granite discovery was falsified by conspirators in the synthetic stone business to handicap sales of natural stone. Granite is mined from the earth where radium and naturally occurring radioactive materials are not uncommon.
The radon scare has been an on and off hot subject of contention for some time.
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