Some high fallout areas, such as many of those in the West, had a relatively low population. The table in the summary of the report shows average dose weighted over the country’s population.
The two bone marrow dose maps show internal plus external dose. Fallout would also be expected in other places, for instance Canada. These two states would involve different sets of data. They were not included because of the limitations of this feasibility stage of the study. These two states need to be included in future work. Hawaii may have had fallout from the Marshall Islands tests. Alaska may have had quite a bit of fallout from Novaya Zemlya. Calculations for Alaska and Hawaii have not been done. Ventings from underground tests in the United States or the Soviet Union were not included. The pre-1951 tests in the Marshall Islands and the Soviet Union, the 1945 New Mexico test, and the Hiroshima and Nagasaki bombings were not included. (France conducted atmospheric tests from 1960 until 1974.) Hence all French atmospheric tests in the Pacific were not included. French atmospheric tests after 1962 were not included. 
Chinese tests were not included (1964 to 1980). The CDC/NCI study included tests conducted between 19. A larger number of states have counties that received substantial thyroid doses of radioactive iodine from NTS tests. States containing counties with the highest Cs-137 deposition include:Ĭounties in other states throughout the eastern half of the United States received substantial Cs-137 deposition. Hence, most of the estimated 11,000 cancer fatalities in the United States due to external gamma radiation would be due to tests conducted outside of the continental United States. The two Cs-137 deposition maps show that most of the Cs-137 deposition in the United States was due to global (non-NTS) fallout. Therefore, Cs-137 deposition is a good proxy for distribution of the excess cancers due to external radiation. Cesium-137 (Cs-137) deposition is a good proxy for external gamma dose distribution on a relative basis. “Global fallout” is thus fallout from nuclear tests conducted by Britain (at Christmas Island), the Soviet Union (at Semipalatinsk and Novaya Zemlya), and the United States (at Marshall Islands and Johnston Atoll). The report defined the term “global fallout” as all fallout except that of tests conducted at the Nevada Test Site (NTS). (The report and maps are also scheduled to be posted at the Centers for Disease Control and Prevention’s web site, 
We offer the following observations and interpretations on the report by the Centers for Disease Control and Prevention and the National Cancer Institute, titled Progress Report to Congress: A Feasibility Study of the Health Consequences to the American Population of Nuclear Weapons Test Conducted by the United States and Other Nations (referred to hereafter as the CDC/NCI study), and its accompanying maps.
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