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

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Draft p. 3.1.162<br />

Issue<br />

119<br />

DOSE CALCULATIONS<br />

One commenter questioned the total body dose (in Table 3.1.47) at one million years<br />

exceeding the dose received at one hundredthousand years. (43)<br />

Response<br />

After extremely long periods <strong>of</strong> disposal, the decay to 22 6 Ra <strong>of</strong> 23 8 U plus<br />

selective transport <strong>of</strong> nuclides could result in a higher dose after one million years than<br />

after one hundred thousand years.<br />

Draft p. 3.1.163<br />

Issue<br />

Response<br />

The area used for regional dose estimates is too small. (8)<br />

The 50-mile radius has been standard for some time. The Statement did, in some<br />

instances, examine the dose to the eastern U.S. population and the world wide population<br />

from gaseous releases.<br />

Draft p. 3.1.163<br />

Issue<br />

It is not proper,to assume doses to the regional population from a ratio basis with<br />

total body dose. (113-EPA)<br />

Response<br />

DOE would suggest that the method used is imprecise and may have broad uncertainty<br />

bands. However, DOE believes the results are illustrative and perhaps conservative.<br />

Draft p. 3.1.164<br />

Issue<br />

Diverting the entering stream until it is diluted by another stream does not change the<br />

population dose. It merely means smaller doses to more people. (113-EPA)

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