Re: 'Dirty Bomb' Was Major New Year's Worry

["Roy Craft" <rcraft@wcnet.net>]

I am not sure that they found a Radium source using a Neutron only

instrument, at least I did not know that the Radium implant sources were

Neutron emitters.





Roy C. Craft, CHP

Consulting Health Physicist

1707 Pecan Street

Bay City, TX 77414

rcraft@wcnet.net

(979 245 9991)





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

From: "Gerry Blackwood" <gpblackwood@justice.com>

To: <k.merritt@larc.nasa.gov>

Cc: <radsafe@list.vanderbilt.edu>

Sent: Thursday, January 08, 2004 9:32 AM

Subject: Re: 'Dirty Bomb' Was Major New Year's Worry





> Kim is right, they are looking for a neutron signature,

> as you  would find in spent fuel, weapons-grade

> plutonium, and certain weapons-initiator materials. The

> instruments are very sensitive.

>

> Gerry Blackwood

>

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