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From 1975 up until 1984, small studies in Sweden, Austria, the United States and Norway aimed to measure radon indoors and in metropolitan areas. [66] Typical log-normal radon distribution in dwellings Predicted fraction of U.S. homes having concentrations of radon exceeding the EPA's recommended action level of 4 pCi/L
Radon map of the United States. ASTM E-2121 is a US standard for reducing airborne radon in homes as far as practicable below the action level of 4 picocuries per liter (pCi/L) (148 Bq/m 3). [4] [5] Some states recommend achieving 2.0 pCi/L or less.
Radon test kits can be purchased by calling the Illinois Radon Hotline at 800-325-1245 or at most hardware and department stores. It is recommended to conduct one short-term test and one long-term ...
In the United States, discounted test kits can be purchased online through The National Radon Program Services at Kansas State University or through state radon offices. [citation needed] Information about local radon zones and specific state contact information can be accessed through the Environmental Protection Agency (EPA) Map. [104]
The United States Environmental Protection Agency recommends action for any house with a concentration higher than 148 Bq/m 3 (given as 4 pCi/L). Nearly one in 15 homes in the U.S. has a high level of indoor radon according to their statistics.
Google Maps; Zoë Meyers / AFP. A view of the Pacific Coast Highway. As of Thursday, Jan. 9, officials said that the harsh winds that had fueled the flames were abating, somewhat, although the two ...
To achieve these aims, WHO has formed a network of key partner agencies from some 40 Member States. This network is the basis for the WHO International Radon Project which was launched in 2005. Working groups will collect and analyse information on radon risk, radon policies, radon mitigation and prevention as well as risk communication.
Radon is unevenly distributed and varies with weather, such that much higher doses apply to many areas of the world, where it represents a significant health hazard. Concentrations over 500 times the world average have been found inside buildings in Scandinavia, the United States, Iran, and the Czech Republic. [8]