At 04:20 PM 8/15/97 +301000, you wrote: >> ...there is NO safe DOSE of radiation. > Ok, this _has_ become tedious but I can't resist. hehe - Such is life... > Mike, given that the risk of carcinogenesis when exposed > to ionising radiation cannot be eliminated, how would > you evaluate and manage the threats posed by the various > beneficial uses of such radiation? Thats a very good question, I've not been in this situation so let me think about it for a while. Though please specify are you talking about diagnostic X-rays OR tracer isotopes OR radiation therapy OR something else ? >Unsubscribe message would waste space here - no thanks :P Ah ha - what beautiful irony - your comment used up that bandwidth ! Rgds :) Mike Perth, Western Australia