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PRIVACY ACT MATERIAL REMOVED
of Yards and Docks, and the AEC as specimens of shielding.
These were
eventually considered too complicated however and it was proposed that a
number of plain steel shields madie of 1 inch steel plates, 1 and 2 feet
square, cavable of being built up by bolting together into any desired
thickness be used.
It was also requested that concrete slabs, 3 inches
in thickness be manufactured at the test site.
In addition a quantity
of angle iron was procured to be used in mounting these sample shields.
Assembly of the material was made at San Francisco, Naval Shipyard under
the direction of Lt.. Ws.
This material was then delivered to
Terminal Islami for transport to the test site.
The film methods of measuring the amount of gamma radiation was
selectedas being the most practicable for the purpose of the test. It
was decided that the film badges for all gamma measurements be procured
by the AFSWP. e-em of the U- S. Bureau of Standards
was placed under contract by the AFSWP to calibrate and read film badges
for all gamma radiation readings.
. Decontamination and Heat Sensitivity Studies.
The problems associated with hapdling and disposing of radioactive
materials resulting from atomic bomb bursts had been one of great concern to the Navy for the previous 15 months as a result of Operation
CROSSROADS.
The Bureau of Ships had been assigned the responsibility
for development of ship decontamination measures shortly after Ope ration
CROSSROADS .
A new project was officially submitted by the Bureau of Ships to
the Joint Proof Test Committee on 13 October 1947.
Section ix
At a conference held
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