U.S. Geological Survey

Geologic Radon Potential of the United States

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The U.S. Geological Survey has compiled a series of geologic radon potential assessments for the United States in cooperation with the U.S. Environmental Protection Agency (EPA). The geologic radon potential reports describe the geology, soils, radioactivity, generalized housing construction characteristics, and other relavent information, and include discussions of the geologic factors controlling radon potential in each state. The geologic radon potential areas are defined by geologic boundaries, so that rock and soil units with similar radon generation and transport characteristics are grouped and delineated in the reports.

More information on the methods and data used

The USGS geologic radon potential books are organized by EPA region, with individual chapters for each of the 50 states. The reports also include summaries of existing indoor radon data for each state.

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13 October 1995