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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from U. S. Project Trinity Report by Carl Maag and Steve Rohrer: Army photographer who entered the test area six times between 23 July
and 20 October received 12.2 roentgens (1).
Four individuals involved with excavating the buried supports of the
TRINITY tower from 8 October to 10 October 1945 received gamma
exposures ranging from 3.4 to 4.7 roentgens. Film badge readings for
this three-day period indicate that the two individuals who operated
mechanical shovels received 3.4 and 4.3 roentgens, while the two who
supervised and monitored the excavation received exposures of 4.2 and
4.7 roentgens. The individual receiving 4.7 roentgens during the
excavation operation had received 1.3 roentgens from a previous
exposure, making his total exposure 6 roentgens (1).
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