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of the CASTLE test series. The amount of radiation fallout which has
occurred withtn the USA as a result of weapons testing makes the 12,000
dpm criterion used by the airplane companies unrealistic.
An example of the conservatism of the U. S. Air Force tolerance
figures established in the U. S. Air Force Technical Order and the
Armed Forces Special Weapons Center Technical Note is that a resuspension factor of 1 in 104 was used in their calculation whereas U. S.
Air Force experimentally found field data indicates a factor of
1 in 108,
It is requested that the Atomic Energy Commission concur in the
validity of the U. S. Air Force reports.
If the AEC does not agree
with the U. S. Air Force tolerance levels, it is requested that the
Comnission and the USAF jointly establish acceptable tolerance levels.
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Prompt action in this matter appears to be desirable since this.
may eventually represent a more universal problem.
Sincerely yours,
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The Honorable Lewis L. Strauss
Chainmnan
U. S. Atomic Energy Commission
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