I wonder what type of irradiation process the Postal Service is using.  Is
it harmful to those who perform the scans or those who handle the mail later
on?

Harrison Wick
NEH Supervisor
Indiana University


-----Original Message-----
From: Ann B. N'Gadi [mailto:[log in to unmask]]
Sent: Monday, February 11, 2002 2:58 PM
To: [log in to unmask]
Subject: Recent Examination of Some Irradiated Mail


The response of the US Post Office to the anthrax problem has been the
electron irradiation of select portions of the mail.  The mail is packaged
in sealed plastic to a thickness of over 3 inches and irradiated in two
passes.  Sufficient examples of the irradiated mail have been examined to
permit some observations.

For more information please see:
http://www.si.edu/scmre/irradiate_exam.html

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