| EPA Environmental Protection Agency |
Exposure to Radon Causes Lung Cancer In Non-smokers and Smokers Alike Lung cancer kills thousands of Americans every year. The untimely deaths of Peter Jennings and Dana Reeve have raised public awareness about lung cancer, especially among people who have never smoked. Smoking, radon, and secondhand smoke are the leading causes of lung cancer. Although lung cancer can be treated, the survival rate is one of the lowest for those with cancer. From the time of diagnosis, between 11 and 15 percent of those afflicted will live beyond five years, depending upon demographic factors. In many cases lung cancer can be prevented; this is especially true for radon. The U.S. Surgeon General, Richard Carmona, Issues National Health Advisory on Radon: |

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Studies Find Direct Evidence Linking Radon in Homes to Lung Cancer: (January 29, 2005 and March 16, 2005) Two studies show definitive evidence of an association between residential radon exposure and lung cancer. Two studies, a North American study and a European study, both combined data from several previous residential studies. These two studies go a step beyond earlier findings. They confirm the radon health risks predicted by occupational studies of underground miner’s who breathed radon for a period of years. Early in the debate about radon-related risks, some researchers questioned whether occupational studies could be used to calculate risks from exposure to radon in the home environment. “These findings effectively end any doubts about the risks to Americans of having radon in their homes,” said Tom Kelly, Director of EPA’ s Indoor Environments Division. “We know that radon is a carcinogen. This research confirms that breathing low levels of radon can lead to lung cancer.”
EPA’s Recommended Residential Radon Mitigation Standard of Practice: EPA recommends the Standard Practice for Installing Radon Mitigation Systems in Existing Low- Rise Residential Buildings* for residential radon mitigation. This voluntary, consensus-based standard was developed and issued by the American Society for Testing and Materials International, and is identified as ASTM E-2121. The Agency first cited ASTM E-2121 in 2003 as a national consensus standard appropriate for reducing radon in homes as far as practicable below the national action level of 4 picocuries per liter (pCi/L) in indoor air. As of May 2006, EPA no longer recommends, and will no longer distribute its own, superseded Radon Mitigation Standards (EPA 402-R-93-078, Revised April 1994). A single free copy of the ASTM E-2121 standard is available from EPA’s National Service Center for Environmental Publications: http://yosemite.epa.gov/ncepihom/nsCatalog.nsf/SearchPubs? Open form, or the Agency’s IAQ-Info hotline, 1-800-438-4318. Copies of the standard may be purchased from ASTMI at http://www.astm.org/cgi-bin/SoftCart.exe/index.shtml?E+mystore or from the American National Standards Institute (ANSI) at www.ansi.org/ *E-2121-03 (February 10, 2003), American Society for Testing and Materials (ASTM) International; an American National Standards Institute (ANSI) approved consensus standard. If you have questions concerning this policy, contact either Philip Jalbert jalbert.philip@epa.gov or Eugene Fisher fisher.eugene@epa.gov. |
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