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I tested my home and found a radon level of just under 4 pCi/l. Is that safe?

Home level PCI radon safe tested
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I tested my home and found a radon level of just under 4 pCi/l. Is that safe?

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Four picocuries per liter of air has been identified by EPA as the recommended action level. There is no absolutely safe level; there is some level of risk associated with all levels of radon. EPA estimates that for an annual average to 4 pCi/l of radon, the risk or lung cancer is 2 per 1,000 persons exposed for non-smokers, and 29 per 1,000 persons exposed for smokers.

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