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ABSTRACT
This report contains a narrative description of the activities of Task Unit 7 (TU 7), the
Radiological Safety (Rad-Saf2) Unit { Task Group 132.1, during Operation Ivy. Chapters are
devoted to the general discussion of the organization and activities of the scientific sections
neceasary to implement an atomic-test radiological-safety organization.
The appencices contain specific details of operational procedures.
Since radiological safety is a technical service and not a specific scientific program, ob-
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jectives, procedures, and major results cannot be presented in abstract form other than to say
that no serious radiation exposures occurred as a result of Operation Ivy.
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