Distribution of indoor radon concentrations and elements of a strategy for control Page: 3 of 18
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Abstract
Indoor radon concentrations vary widely in the U.S. housing stock,
with normal concentrations estimated to cause a significant risk of
lung cancer by comparison with environmental exposures normally
considered, and high concentrations causing risks that exceed even
those from cigarette smoking. The probability distribution, i.e., the
number of houses at various concentrations, can be estimated from an
analysis of the U.S. indoor radon data accumulated to date. Such an
analysis suggests that in about a million houses, occupants are
receiving exposures greater than those experienced by uranium miners.
The form of the frequency distribution, including not only the average
concentration, but also the number of houses with high levels, has
substantial influence on strategies for control of indoor radon. Such
strategies require three major elements: formulation of control
objectives in terms of guidelines for remedial action and for new
houses; selection of means for identifying homes with high
concentrations; and a framework for deciding what types of control
measures are appropriate to particular circumstances and how rapidly
they should be employed.iii
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Nero, A.V. Jr. Distribution of indoor radon concentrations and elements of a strategy for control, article, May 1, 1986; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc1185338/m1/3/: accessed June 5, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.