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Radon
Radon is a colorless, odorless, tasteless, naturally occurring, radioactive noble gas that is formed from the decay of radium. It is one of the heaviest substances that remains a gas under normal conditions and is considered to be a health hazard.
Radon is often the single largest contributor to an individual's background radiation dose, and is certainly the most variable from location to location. Radon gas from natural sources can accumulate in buildings, especially in confined areas such as basements. Radon can be found in some spring waters and hot springs.
Radon is considered as a significant contaminant that affects indoor air quality worldwide. According to the United States Environmental Protection Agency, radon is reportedly the second most frequent cause of lung cancer, after cigarette smoking; and radon-induced lung cancer the 6th leading cause of cancer death overall. According to the same sources, radon reportedly causes 21,000 lung cancer deaths per year in the United States.
To find out about average radon levels in your county, please use the following links. A Florida statewide map follows below the links.
Duval County Residential Building Radon Protection Map
Nassau County Residential Building Radon Protection Map
Putnam County Residential Building Radon Protection Map
Union County Residential Building Radon Protection Map

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