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How is radon in my drinking water related to radon in indoor air?

Low levels of uranium and its decay products occur widely in the earth's crust, and thus radon is being continually generated. A portion of radon released through radioactive decay dissolves in ground water. When water that contains radon is exposed to the air, the radon will release. If ground water is supplied to a house as a source of drinking water, radon may be released into the air of the house through water uses such as cooking, showering, and washing dishes (64 FR 59246, 59248; November 2, 1999). Additional information about radon in drinking water is available in the November 2, 1999 proposed rule at http://water.epa.gov/lawsregs/rulesregs/sdwa/radon/regulations.cfm.
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Topic Information
  • Topic #: 23002-17434
  • Date Created: 10/31/2004
  • Last Modified Since: 10/12/2010
  • Viewed: 6047

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