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Description of Operation Crossroads
Pages 21-23

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From page 21...
... "the effects of nuclear weapons on ships, equipment, and material." This first nuclear weapon test series at the Pacific Proving Grounds consisted of two detonations, ABLE (detonated at an altitude of 520 feet) and BAKER (detonated 90 feet under water)
From page 22...
... At the time, this was considered to be an amount of radiation that could be tolerated for long periods without any harmful effects on health. Radiological supervision included predicting areas of possible danger, providing trained personnel equipped with radiation survey instruments to act as guides during operations involving potential exposure, and elaboration of rules arid regulations governing conduct in these operations.
From page 23...
... The period after that, however, despite ongoing work in Navy yards and in the atoll on contaminated ships, is officially considered neither the CROSSROADS nor postCROSSROADS period.


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