[ RadSafe ] How many curies were involved in Hiroshima
C.Busby at ulster.ac.uk
Wed Jun 22 13:22:31 CDT 2011
From: radsafe-bounces at agni.phys.iit.edu on behalf of Steven Dapra
Sent: Wed 22/06/2011 16:20
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] How many curies were involved in Hiroshima
Does you (Chris) mean internal exposure from one pico curie
will have the same effect as internal exposure from one curie?
At 08:17 AM 6/22/2011, you wrote:
You do not get exposure from a picoCurie. That is an activity.
You would receive exposure from a microSievert or a microrem or somesuch.
Thsi would result in a absorbed dose.
What I am saying is that a picoCurie of absorbed Sr-90 doses not cause the same absorbed dose to the DNA as the exposure to the beta decay from Sr-90 would if delivered externally. This is because the internal Sr-90 is bound to the DNA and not floating about in the cytoplasm.
>For internal exposures dose is meaningless.
>See my other email.
>ICRP say this.
>CERRIE says this.
>IRSN say this.
>ECRR says this.
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