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Participants put on the displays in any way times for about 3 weeks. Dr. Harley discovered that stationary detectors on the very first flooring taped one of the most exact radon degrees in your home. However personal direct exposure was just about 70 percent of these first-floor analyses. The risk to the typical person of passing away of radon-caused lung cancer cells because of a life time exposure to 4 pCi/L radon degree at home is 2.3 percent.

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