BASICS OF RADIATION AND RADIOACTIVITY - PART TWO
SOURCES OF RADIATION EXPOSURES TO THE U.S. POPULATION
Sources of radiation exposure assume average indoor radon concentration of 1.3pCi/l. Radon is by far the greatest single source of radiation to the general public.
Copyright 2000, Great Lakes Center for Occupational & Environmental Safety & Health, School of Public Health, University of Illinois at Chicago