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RE: High natural background at Ramsar


You will more information and references in
"The State-of-the-Art on Worldwide Studies in some Environments with
Elevated Naturally Occurring Radioactive Materials (NORM)"
by Mehdi Sohrabi in Applied Radiation and Isotopes Vol. 49 (3), 1998,

Kind Regards, Gert Jonkers 
CTANL/2 - Nuclear Measurement Techniques
   Radiotracer applications, 
   Gamma-transmission and Neutron BackScatter (NBS) measurements
   Naturally Occurring Radioactive Materials (NORM)
   Radiological Protection Advice
Shell Research and Technology Centre, Amsterdam (SRTCA), 
PO Box 38000, NL-1030 BN Amsterdam, the Netherlands
tel.        +31 - 20 - 630 3424
fax        +31 - 20 - 630 2911
e-mail   Gert.G.Jonkers@OPC.Shell.COM

>From: 	Pickett, Bruce D[SMTP:Bruce.Pickett@PSS.Boeing.com]
>Sent: 	1998-04-06 17:29
>To: 	Multiple recipients of list
>Subject: 	High natural background at Ramsar
>The January/February 1998 issue of RSO Magazine has an article entitled
>"Radiation - What Is Important? Public Perception and Reaction" by Mark
>Hart of Los Alamos National Lab. In the two charts in figures 2 & 3,
>there is a very high dose rate of 48 rem/yr listed for Ramsar or
>Ramsari, Iran (its listed both ways on the charts). I asked the author
>for some references, and his reply was: "I have two references. One is
>an IAEA document from a conference held in Ramsar in 1990. The other is
>a text by Luckey. The 48 rem is from Luckey. The Ramsar IAEA document
>refered to potential indoor and outdoor gamma doses of 9 mR per hour."  
>Does anyone have more information on the dose rates in Ramsar (Ramsari),
>Iran and the source of this high natural background?
>Bruce Pickett
>The Boeing Company, Seattle, WA