Re: "minimal risk"?

["Otto G. Raabe" <ograabe@ucdavis.edu>]

December 16, 1999
Davis, CA

There is no known, measurable, or expected risk associated with radiation
doses equal to normal background radiation levels. Hence, I would consider
that an annual dose above background of 30 mrem (about 10% of background)
represents a negligible risk or no risk at all.

Otto

		*****************************************************
		Prof. Otto G. Raabe, Ph.D., CHP
              Institute of Toxicology & Environmental Health (ITEH)
		   (Street address: Building 3792, Old Davis Road)
		University of California, Davis, CA 95616
		Phone: 530-752-7754  FAX: 530-758-6140
		E-mail ograabe@ucdavis.edu
              *****************************************************
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