Regulatory Use of EDE vs ED

[alstonchris@netscape.net]

Folks



I was under the impression that governmental agencies, in the USA, were all still on board with the EDE (cf. ICRP Publication 26).  Now comes a posting to the Medphys List, by someone at the FDA, which seems to imply that the FDA, at least, is already on to the ED (cf. ICRP 60).  As you know, the organ dose weighting factors are not identical, in the two "schemes".  The ED weighting factor for the skin did not even exist in ICRP 26.



So, can anyone elucidate who's doing what, with this, and why?  Seems to me that they should be on the same page, n'est-ce pas?  Or am I yet too naive?



Cheers

cja





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