[ RadSafe ] dose values reported in Japan continue to be confusing

Perle, Sandy SPerle at mirion.com
Sat Mar 19 20:42:34 CDT 2011

The posting below was posted to the wearing subject, so I've started a new
subject line. Sorry about that.

Sander C. Perle
Mirion Technologies
Dosimetry Services Division
2652 McGaw Avenue
Irvine, CA 92614

+1 (949) 296-2306 (Office)
+1 (949) 296-1130 (Fax)

Mirion Technologies: http://www.mirion.com/

On 3/19/11 6:39 PM, "Perle, Sandy" <SPerle at mirion.com> wrote:

>From the latest CNN report out of Tokyo:
>"Six members of the emergency crew at the plant have been exposed to
>more than 100 millisieverts of radiation per hour, the equivalent of
>getting 10 chest X-rays per hour, plant owner Tokyo Electric Power
>Company said.
>Tokyo Electric had raised the exposure level for emergency workers from
>its previous standard of 100
>millisieverts per hour to 250 millisieverts."
>I never heard of any chest x-ray where you get 10 per hour with a dose of
>100 mSv!
>Where do they get their stuff? Are they simply oblivious to the dose units
>they're reporting? Now if they said 100 mrem per bour, I could see a chest
>x-ay of 10 mrem each.

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