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RE: News story mail irradiation -Titan
Based on research by the Armed Forces Radiobiology Research Institute the
necessary dose to kill the anthrax bacillus spores is approximately 54 kGy =
5.4 Mrads. A reference approved for public release on this research is:
"Neutron and Gamma-Ray Radiation Killing of Bacillus Species Spores:
Dosimetry, Quantitation, and Validation Techniques," by Ledney, GD, Knudson,
GB, Harding, RA, Bhatt, RC, Kearsley, EE, and JA Zmuda. Technical Report
96-1, Armed Forces Radiobiology Research Institute, 8901 Wisconsin Ave,
Bethesda, Maryland 20889-5603.
I am actually more concerned as to the delay it will cause in routine mail
delivery. Are we adding one day, two days or three days to the delivery of
First Class Mail? What about Priority Mail, has this become a dinosaur?
Will such treatment be required for Fed Ex, Emory, UPS overnight mail?
Forget the 100 micron size holes in envelopes, what about the holes in the
relative risk evaluation?
The thoughts expressed are mine, mine, all mine!
I'm with the government, I'm here to help........
Daren Perrero, Health Physicist
perrero@idns.state.il.us
-----Original Message-----
From: Dave Derenzo [mailto:dave@uic.edu]
Sent: Monday, October 29, 2001 11:29 AM
To: radsafe@list.vanderbilt.edu
Subject: RE: News story mail irradiation -Titan
Depending on the dose (I hear it takes about 2.5 megarad to kill anthrax
spores) there may also be effects on adhesives, inks, plastics, magnetic
media, etc., etc., etc. There definitely needs to be an alternative for
certain types of mail. I hope they are considering this.
At 10:42 AM 10/29/01, you wrote:
Stewart,
They are using a linear accelerator. Radionuclides are associated with
nuclear power, which is bad karma. As long as the energy is below 9 MeV,
there will be little activation. However, it will sure darken undeveloped
film and dosimeters.
-- John
John Jacobus, MS
Certified Health Physicist
3050 Traymore Lane
Bowie, MD 20715-2024
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