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SECURITYENFORMATION
AEC 597/28
November 18, 1953
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ATOMIC ENERGY COMMISSTON
CLASSIFICATION GUIDE FOR OPERATION CASTLE
Note by the Secretary
1.
The attached Guide and letter submitted by the Office of
Classification are circulated by request of the General Maneger for
the information of the Commission.
2,
The Office of Classification advises that this Guide,
has just been placed in effect, has the concurrence of DMA and
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