NOT TRINEE Pt “eR 4 amgIRIS Steerape Aa+
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SUMMARY OF EXTERNAL GAMMA LEVELS AT RONGELAP AND BIKINI ATOLL
RONGELAP ISLAND =!
Rongelap Islanaé/
End of July 1956.
0.2 - 0.5 mr/hr
ave. = 0.4 mr/hr
Dose rates at time of repatriation should be
< 30 mr/wk
June 1957, 3 ft. above ground (time of repatriation).
Highest
Lowest
Ave.
-
6.13 mr/hr
0.01 mr/hr
0.03 mr/hr
Other Islands
The highest level on any other island at the time of repatriation was
about a factor of twelve higher than Rongelap.
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Bikini Atolls!Bikini Island
August 1964, 3 ft. above ground.
ave. = 0,04 mr/hr
Enyu Island
August 1964, 3 ft. above ground.
ave. = 0.01 mr/hr
Aomen to Yurochi Islands
August 1964, 3 ft. above ground.
ave. = 0.16 mr/hr
(According to the field notes, Station V at the eastern end of Romuk showed
the highest levels found with average values of 2 mr/hr and 0.5 mr/hr gamma
at ground level and at 3 feet and 10 mr/hr and 4.6 mr/hr beta-gamma for the
same conditions.)
Ngou Island
August 1964, 3 ft. above ground
ave, = 0,09 mr/hr
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