[ RadSafe ] Significant portion of body - definition, source document

[Maury Siskel]

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      Nov 27, 2007 ... Significant portion of the body: A portion, whose
      area exceeds 900 cm2, of the body other than the extremities. ...
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==========================

Thomas Johnston wrote:

>Hello,
>
>I am wondering if anyone knows the Reference document source for the
>following statement/general definition. In other words, does anyone know
>where this comes from: ‘significant portion of the body?’ ANSI, Regulatory
>Guide, Footnote, etc?
>
>
>
>*“significant portion of the body.*  A portion, whose area exceeds 900 cm2,
>of the body other than the *extremities*.
>
>(Note: This portion represents about 5% of the adult total body area and
>about 15% of the trunk surface area.)”
>
>
>
>Your thoughts and answers will be greatly appreciated.
>
>
>
>Thomas Johnston
>
>Health Physicist
>
>NIST Center for Neutron Research
>
>National Institute for Standards and Technology
>
>100 Bureau Drive, Stop 1733
>
>Gaithersburg, MD 20899
>
>301-975-5815
>_______________________________________________
>  
>