Since the discovery of x rays, the public has shown increasing concern
about exposure to radiation, In the mid-1980s, with the dissemination
of information about the ubiquitous nature of radon, this concern abo
ut radiation exposure has taken on a new perspective, As the general p
ublic realizes that exposure to radiation is an unavoidable part of li
fe, questions arise as to how much exposure is acceptable when weighed
against the costs of reducing the exposure, Because limited resources
are available to protect the public's health and the environment, the
se resources need to be used wisely, The cost-effectiveness of the var
ious options to lessen the potential adverse health effects from radon
must be considered.