Environmental Protection Agency radon

Environmental Protection Agency. Radon. Health Effects available at http //www.epa.gov/radon/healthrisks.html (accessed September 20, 2009). 

A Citizen s Guide to Radon What It Is and What to Do About It. U.S. Environmental Protection Agency and U.S. Department of Health and Human Services, OPA-8-004. Government Printing Office, Washington, DC, 1986. 

Nazaroff, W. W., and Teichmann, K., Indoor radon. Environ. Sci. Technol. 24, 774-782 (1990). U.S. Environmental Protection Agency and U.S. Consumer Product Safety Commission, "The Inside Story A Guide to Indoor Air Quality." EPA/400/1-88/004, September 1988. 

C02-0017. Recently, there has been concern about pollution in the home from radon, a radioactive gas whose elemental molar mass is 222 g/mol. The Environmental Protection Agency believes that a level of radon of 3.6 X 10" g / i of air is unhealthy. At this level, how many moles of radon would there be in a living room whose volume is 2455 L How many atoms is this ... 

MAP 31.1 United States map of radon zones. (Adapted from U.S. EPA, EPA Map of Radon Zones, EPA-402-F-93-013, U.S. Environmental Protection Agency, Washington, DC. Available at http //www.epa.gov/ radon/zonemap.html, February 2009.)... 

U.S. EPA, National Radon Results—1985-2003, U.S. Environmental Protection Agency, Washington, DC, October 2004. 

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