[ RadSafe ] Re: I131 patient during intercontinental flight

Mauro Campoleoni trentino at iol.it
Thu Feb 12 03:21:49 CST 2009

Clayton, Moshe, and others,

my very very rough calculation indicates
that 7 mCi of  I131 (26 MBq)
would expose a neighbour passenger (at 50 cm)
to a dose rate around 8 microSv per hour of flight.
This, assuming the worst conditions and considering
a dose rate from a I131 "point source" of  7.6*10-5 mSv/h per MBq
and not considering the excretion.

Mauro Campoleoni
Unità Operativa di Fisica Sanitaria
Fondazione "Ospedale Maggiore Policlinico Mangiagalli e Regina Elena"
Via Pace, 9 20122 - Milano - ITALY
tel. 02-5503.3007
fax 02-5503.5100

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