Re: Q: dose from airport x-ray?

[rkathren@tricity.wsu.edu (Ron L. Kathren)]

Michael --

Thank you for the kind reply.  Clearly you are knowlegeable and quite
'dosimetry literate', and as indicated, I did not want to point any fingers
or personalize the comment.   Interesting to note that despite my plea,
someone else committed a similar error!.

Ron


  >Ron L. Kathren wrote:
> The following statement
>> taken from a recent RADSAFE message is an example of a communication which
>> vitually every HP should understand, but is scientifically incorrect.
>> Later, such scientifically improper statements may come home to haunt us.
>>
>> >  The usual dose is between 100 and
>> >200 micro R.  Yes, it's that low!
>> >
>> 
>> >
>
>Your point is well taken Ron; let's make that "exposure" - as measured
>by an particular ionisation chamber.  To extrapolate to the absorbed
>dose to a particular object would require some knowledge of the
>dimensions and composition of that object, to say nothing of the
>response of the ion chamber to the particular radiation beam and the
>geometry of the irradiation.  I stand corrected :>)
>
>-- 
>Michael Williamson 
>(m.williamson@mailbox.uq.edu.au )
>                
>Radiation Protection
>Adviser                                                             
>Occupational Health & Safety Unit       
>University of Queensland
>Brisbane 4072
>Australia
>
>ph +61 7 3365 4504
>fax +61 7 3365 1577
>
>The opinions expressed in this communication are those of the writer:
>unless explicitly stated they should not be taken as representing the
>official policies or views of the University of Queensland.
>
>