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326 U.S. ATOMIC FNERGY
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RG______COMM ISSIQN
Coler tien
August 9. 1957
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Box.5&7 +
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MEMORANTDON FOR:
SUBJECT:
Dr. W. PF. Litt
Radietion Levels om Rongelap Island
In our Staff Paper AIT 125/30, Gated February 6, 1957, concerning
the return of the Rongelapese to their home island, ve predicted
* ocoelt is difficult to extrapolate precisely fer into the fu-
ture, but the date suggest thet the gamme doses on Rongelap Island
would not greatly exceed (if at all) 0.5 roentgens for the first
year of reoccupancy, vith lesser doses i: subsequent years..eo..”
Oo June 25, 1957, just prior to the actual returm of the Rongelapese,
@ reiiological survey vas msde of the ganme levels on Rongelap Island. These data were attached in the form of e memorantham vith
accompanying maps from Mr. Ernest Wynkoop to Br. Gordon M. Dunning.
You will note that the average goume dose rate on the Islan’ om June
25, 1957, was about 0.03 miliiroentgers per hour (0.26 roaentgens per
year).
Bince you have exhibited a manifest interest in this matter, the
enclosed is forwaried for your {nformatioc.
@
K. E. Fields
General Manager
!
Oo stribution:
Gen. Mgr.
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