Re: RE(2): Dateline NBC TMI story A different evaluation

["Raymond A. Hoover" <rayhoover@HOTMAIL.COM>]

As far as I know, the observed level of contamination in the waters of the 

Dneper are about what you would expect to see from the surface runoff.  That 

is not to say that there is nothing escaping the Shelter.  We know that 

there is quite a bit of water going in, but no one is quite sure where it is 

going.  Of course things might have changed since I left.



Dilution is large.  However, there are measureable levels of contaminants in 

the water (as well as in the soils).  I remember having considered the 

question of how much consumed food would be needed to reach the ALI's and 

concluded that hundreds of pounds of mushrooms would be needed (Cs-137) 

somewhere close to a thousand pounds of fish (Sr-90) would be needed (these 

estimates were based on analysis conducted by Boris Oskolkov of an 

environmental lab associated with Chernobyl).  Actually, fish is part of the 

local diet, so you can't rule the fish out.  As an aside, I used the results 

of my calculations to reassure some of the other folks in the organization I 

was working in that there was no reason to fear eating the local foods.  It 

actually helped to reassure many of the people in the group feel better 

(safer).





>From: Emil Murat <kerrembaev@YAHOO.COM>

>Reply-To: Emil Murat <kerrembaev@YAHOO.COM>

>To: radsafe@list.vanderbilt.edu

>Subject: RE(2): Dateline NBC TMI story A different evaluation

>Date: Sun, 19 Aug 2001 00:43:47 -0700 (PDT)

>

>Hoover,

>

>Are you saying that it is reaching, but there is

>no proof?

>

>On discussion of reaching or not.

>

>1.  The question is: Is it harmful?

>

>1.1 The river was/is taken everything out to the

>Dnepr River => Kiev Water Reservoir => Black Sea.

>

>1.2 The river water flow rate is large => large

>dilution factor => small/negligent dose factor

>associated with the liquid effluents.

>

>2.  Some may argue about the past sediments.....

>

>2.1 Drinking water and fish is checked

>(Fish is not in the local diet).

>

>2,2 There is consideration of cleaning of the

>river bottom (silt/sediments).

>

>2.3 In surrounding areas fishing was more of the

>recreational nature before, anyway.

>

>2.4 Sediments are not a hazard.

>

>

>Emil.

>

>

>

>Date: Fri, 17 Aug 2001 07:59:31 -0600

>From: "Raymond A. Hoover"

>Subject: RE: Dateline NBC TMI story - A different

>evaluation

>

>Even today no one is really sure that radioactive

>material from the

>Chernobyl Shelter is reaching the aquafier.  And

>the aquafier itself is not

>much below the bottom of the Shelter.  Some of

>the core did melt and

>penetrated into the basement of the reactor

>building.  While I was there,

>one of the projects was trying to come up with a

>method that was accceptable

>to all to determine if there was an outflow of

>water from the Shelter into

>the local aquafier.

>

>

>

>

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