Safe Radon Levels In Basement. For perspective the average outdoor air level of radon is 04 pCiL. The EPA website states that the level of 4 in non-smokers is equal to the risk of dying in a car crash. In some cases the concentration of up to 10000 Bqm3.
February 27 2021 by admin.
Levels of 4 pCiL or higher are considered hazardous. Range from 002 to 075 pCiL picoCuries per liter averaging 04 pCiL. According to the EPA the maximum acceptable level of radon is 40 pCiL but even that level is not safe per se.
But homes draw concentrated radon gas from the ground. Entry via parts of the basement with exposed earth like sump wells and drains or through the naturally porous concrete foundation of the basement provide radon plenty of efficient means of entering a home. The safe level of radon at home as recommended by Environmental Protection Act EPA is 4 picocuries per liter pCiL of air or 148 becquerels per cubic meter Bqm3 picocurie and becquerel are common units for measuring the amount of radioactivity.
Radon enters buildings through cracks in the foundations andor basement walls unsealed joints and utility chases. Safe Radon Levels In Basement. Because you are technically at the ground level and below grade for the most part.
In a small number of homes the building materials eg granite and certain concrete products can give off radon. That is plain wrong. Shockingly the indoor radon levels are almost always higher than this especially in homes offices water treatment facilities and schools.
When the pressure inside your basement varies greatly from the pressure outside you can create what is called stack-effect. Radon is measured in picocuries per liter of air or pCiL There are DIY test kits sold at local home improvement and hardware stores. I know you would have heard radon is not an issue in a walkout basement.
The air pressure inside your home is almost always lower than the pressure in the soil around your homes foundation. And not all houses have a basement. The white pipe is then routed out of your basement somewhere and to this pipe a radon-fan unit is attached.
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