[ RadSafe ] Fukushima beta radiation burns

Ahmad Al-Ani ahmadalanimail at yahoo.com
Fri Mar 25 07:24:35 CDT 2011

Where is that radioactive water is going anyways? it must be a large amount of 
it since water was thrown at the reactor building by every possible method so 

Ahmad Al-Ani

----- Original Message ----
From: Steven Dapra <sjd at swcp.com>
To: The International Radiation Protection (Health Physics) Mailing List 
<radsafe at agni.phys.iit.edu>
Sent: Fri, March 25, 2011 4:32:24 AM
Subject: Re: [ RadSafe ] Fukushima beta radiation burns

March 24

        Why would anyone stand in water --- rad water or otherwise --- without 
wearing rubber boots?  I can scarcely believe that these N-plants don't have 
rubber boots on hand.

Steven Dapra

At 01:50 PM 3/24/2011, you wrote:
> Below are a couple of links on reports that three workers at the Fukushima No. 
>3 reactor got beta-radiation burns on their feet when they were laying 
>electrical cables while standing in radioactively-contaminated water.  One 
>report stated: "TEPCO said radioactive water may have seeped through the 
>workers' radiation protective gear, causing radioactive materials in the water 
>to stick to their skin."
> The workers also received radiation doses of 17 to 18 rem while working from 10 
>AM to 12:10 PM (suggesting a 1.2 - 1.3 rem/h average dose rate).  It's not clear 
>whether the workers were standing in water the entire 14 hours.
> Can one estimate (or WAG) the solution concentrations of beta-emitters (Ci/L) 
>that would have to be in the water for the workers to get radiation burns from 
>the water that seeped through the workers' radiation protective gear (e.g. Tyvex 
>booties over work shoes?)?
> http://e.nikkei.com/e/fr/tnks/Nni20110324D24JF855.htm
> Rick Strickert
> Austin, TX

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