Re: Package Irradiation

["Jack Earley" <jearley@enercon.com>]

I believe we just read (via Sandy's news digest) about a new food

irradiation approach that irradiates a pallet every few seconds. How would

this differ?



Jack Earley

Radiological Engineer



Enercon Services, Inc.

6525 N. Meridian, Suite 503

OKC, OK  73116

phone: 405-722-7693

fax:       405-722-7694

jearley@enercon.com



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----- Original Message -----

From: "Bjorn Cedervall" <bcradsafers@HOTMAIL.COM>

To: <radsafe@list.vanderbilt.edu>

Sent: October 14, 2001 4:16 a.m.

Subject: Re: Package Irradiation





> >Would package and mail irradiation be an economical solution to the

> >unwanted transport of biological agent contamination via commercial and

> >government mail systems?

> ---

> I am not the person to comment enough of the economic & practical aspects

> but one can assume that the dose rate would need to be very high - and the

> dose at least the order of 10 000 Gy (1000 000 rad) - bacteria vary a lot

in

> radiosensitivity depending on "species". 10 kGy may provide a bacteria

> reduction by a factor of one million. For a dose of 10 000 Gy, 3 Gy per

> minute would mean 10 000 Gy/(3 Gy/min) = 3333  min or about 2.3 days.

> Perhaps it could be done for suspect items or mail. The involved personel

> would need to be trained (occupational hazard!). It doesn't seem like

> something for FedEx and their competitors. I also wonder what

> "anti-radiation experts" would say who  explain that irradiation sources

is

> a convenient excuse to reprocess spent irradiated fuel rods from weapons

> production reactors.

>

> My personal reflections only,

>

> Bjorn Cedervall   bcradsafers@hotmail.com

> http://www.geocities.com/bjorn_cedervall/

>

>

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