[ RadSafe ] Radiation Safety Without LNT

Otto G. Raabe ograabe at ucdavis.edu
Fri Sep 25 16:56:09 CDT 2015

>September 25, 2015

When I started  radiation safety works in 1958, radiation standards
were based on  limiting exposures based on the International
Commission on Radiological Protection (ICRP) Publication 2.

The methods were straight-forward and sound based on
limiting exposures.

For example, ICRP 2 page 82 states sound limits for
internal exposure to plutonium isotopes. For example.
no plutonium worker was allowed to exceed  a
lung burden of 16 nCi of Pu-239.

In the early days thousands of workers were exposed including me
to inhaled plutonium at Los Alamos, Rocky Flats, Handford, Kerr-Magee,
the Nevada Test Site and elsewhere, but there has been no known
lung cancer case that were associated with inhaled plutonium-239
at those facilities..

ICRP 2 is a good example of how to end the
Linear-No-Threshold (LNT) fallacy.


Prof. Otto G. Raabe, Ph.D. CHP
Center for Health and the Environment
University of California
One Shields Avenue
Davis, CA 95616
Office: 530-752-7754
FAX :   530-758-6140

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