Air crew exposures, regulatory issues

[Lester Slaback <Lester.Slaback@NIST.GOV>]

The issue of air crew exposure is highlighted in Europe by their regulatory 
scheme.  They are adopting the ICRP 2 rem (.02 Sv) annual limit (really 0.1 
Sv per 5 yrs).  The 30% criterion for monitoring then brings a lot of the 
air crews into the monitoring program which further highlights their exposures.

In the U.S. the criterion is 10% of 5 rem within the NRC and DoE community, 
an even smaller monitoring threshold.  But the fragmented regulatory 
framework in the U.S. results in this not being applied by the FAA.

The NCRP annual meeting a few years ago discussed all this in great detail.

Disclaimer:  the above are the personal musings of the author, and do not 
represent any past, present, or future position of NIST, the U.S. 
government, or anyone else who might think that they are in a position of 
authority.
Lester Slaback, Jr.  [Lester.Slaback@NIST.GOV]
NBSR Health Physics
Center for Neutron Research
NIST
100 Bureau Dr.  STOP 3543
Gaithersburg, MD  20899-3543
301 975-5810 voice
301 921-9847 fax

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