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Management of Commercially Generated Radioactive Waste - U.S. ...

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Draft p 3.1.100<br />

Issue<br />

117<br />

DOSE CALCULATIONS<br />

The regional population for the types <strong>of</strong> releases considered most likely in the long<br />

term in waste disposal is the population in a river basin rather than the population within<br />

an 80 kilometer radius <strong>of</strong> the plant. (113-EPA)<br />

Response<br />

The DOE agrees with the comment. However, in the reference environment the majority<br />

<strong>of</strong> the population lives along River R, downstream <strong>of</strong> the release point.<br />

Draft p. 3.1.101<br />

Issue<br />

Why is bone an organ <strong>of</strong> principle interest? According to the BEIR work, more health<br />

effects would be expected from a dose to red marrow than from the same dose to bone. The<br />

liver should also probably be considered a significant organ. (113-EPA)<br />

Response<br />

The bone dose is used because it supplies an adequate estimate <strong>of</strong> doses to various por-<br />

tions <strong>of</strong> bone. Liver dose is not significant except for a few actinides.<br />

Draft p. 3.1.120<br />

Issue<br />

The draft states that the regional population dose for a geological repository during<br />

construction and operation is 100 man-rem. However, no reference is given to the basis for<br />

this estimate. For example, how much radon is estimated to be released during construction<br />

and operation at the repository? (208-NRC)<br />

Response<br />

The data requested is contained in DOE/ET-0029, Sections 4.4 and 9.0.<br />

Draft pp. 3.1.136-172<br />

Issue<br />

The radiological impacts should be based on the worldwide population and over all time<br />

following release. (8)

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