|Author||Eckelmann, W. R. ♦ Kulp, J. L. ♦ Schulert, A. R.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||ENVIRONMENTAL SCIENCES ♦ RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT. ♦ MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE ♦ FALLOUT ♦ RADIATION HAZARDS ♦ STRONTIUM 90 ♦ ADULTS ♦ AGE DEPENDENCE ♦ CALCIUM ♦ CHILDREN ♦ DIET ♦ EUROPE ♦ MAN ♦ NORTH AMERICA ♦ NUCLEAR EXPLOSIONS ♦ RADIATION MONITORING ♦ RADIOACTIVITY ♦ RADIONUCLIDE KINETICS ♦ SKELETON ♦ AGE GROUPS ♦ ALKALINE EARTH ISOTOPES ♦ ALKALINE EARTH METALS ♦ ANIMALS ♦ BETA DECAY RADIOISOTOPES ♦ BETA-MINUS DECAY RADIOISOTOPES ♦ BODY ♦ ELEMENTS ♦ EVEN-EVEN NUCLEI ♦ EXPLOSIONS ♦ HAZARDS ♦ HEALTH HAZARDS ♦ INTERMEDIATE MASS NUCLEI ♦ ISOTOPES ♦ MAMMALS ♦ METALS ♦ MONITORING ♦ NUCLEI ♦ ORGANS ♦ PRIMATES ♦ RADIOISOTOPES ♦ STRONTIUM ISOTOPES ♦ VERTEBRATES ♦ YEARS LIVING RADIOISOTOPES 500300* -- Environment, Atmospheric-- Radioactive Materials Monitoring & Transport-- (-1989) ♦ Radiation EffectsNuclide Kinetics & ToxicologyMan(-1987) ♦ Military Technology, Weaponry, & National DefenseNuclear Explosions & Explosives|
|Abstract||Further investigation of strontium-90 in man is reported, with much detailed information. For any given locality, the /sup 90/Sr content of adult bone is independent of age. Regional differences are much smaller than the differences in total fallout. The average concentration of strontium-90 in the skeleton of North American and European children was about 0.7 micromicrocuries of strontium-90 per gram of calcium, whereas that for adults it was about one-tenth that figure. Increase in the strontium-90 content of the diet follows that of the total integrated fallout, but the level in bones lags behind, because of delay in reaching equilibrium. If there were no further atomic tests after mid-1957, children in the northeastern United States would reach a peak level of 2.9 micromicocuries of strontium-90 per gram of calcium. If testing continues at a rate that a certain region receives 10 millicuries per square mile per year (the rate in northeastern United States in 1956 to 1957) the equilibrium bone level for the population will be 21 micromicrocuries of strontium-90 per gram of calcium.|
|Learning Resource Type||Article|
|Publisher Place||United States|
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