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Historical perspective: a forward look, a backward look.

This paper summarizes how the problems of fallout, genetics, radioactive waste, and regulatory control of radiation were perceived by Dunning, Straub, Taylor, and others in 1955 at the inaugural meeting of the Health Physics Society. It was stated that health physicists had a great opportunity to resolve these problems and to avoid past mistakes. Throughout the 1950s, health physicists made major contributions to elucidating the fallout problem and contributed to its resolution, and it can be considered a success story. Waste disposal is not considered to be a success to date. A major difference has been the lack of political will to grapple with a perceived "no win" situation. The evolution of radiation limits is briefly traced over the past 37 y from voluntary standards to rigorously enforced regulations demanded by society. This paper speculates that the changing international scene makes the United States the pre-eminent nuclear power which will challenge future health physicists to maintain a balance between the control of radioactive material and its peaceful applications.

Health Physics↗

Bovine thyroid iodine-131 concentrations subsequent to Soviet nuclear weapon tests.

The iodine-131 concentration in thyroids of cattle slaughtered in Reno, Nevada, was measured during and following recent atmospheric nuclear weapon tests by the U.S.S.R. The iodine-131 concentration rose rapidly to a maximum and then declined with an apparent half-life of 7 days after conclusion of the test series. The average dose to bovine thyroids from this test series was estimated to be 17 rads.

Animals↗