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

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80<br />

CONSEQUENCE ANALYSIS<br />

demonstrated the point suggested, e.g., that the differences between alternatives in terms<br />

<strong>of</strong> radiological impact are insignificant .compared to other considerations and uncertainties.<br />

Draft pp. 3.1.136-172<br />

Issue<br />

Section 3.1.5.2 is entitled, "Potential Impacts Associated with Repository <strong>Waste</strong>s in<br />

the Long-Term." Although this section gives population doses caused by different accident<br />

scenarios, it does not discuss the problem <strong>of</strong> land contamination caused by these accidents.<br />

(208-NRC)<br />

Response<br />

Land contamination is included in the sense that part <strong>of</strong> the population doses is<br />

derived from crops grown in the contaminated land.<br />

Draft pp. 3.1.136-172<br />

Issue<br />

The section on long-term impacts is devoted entirely to accidents that may breach the<br />

repository, most <strong>of</strong> which are presented as being so improbable that they are unlikely to<br />

even occur. No discussion is presented <strong>of</strong> expected long-term impact. If the facility is<br />

sited, filled and sealed according to plan, what will the long-term consequences <strong>of</strong> this<br />

action be in the absence <strong>of</strong> unlikely accidents? This question is discussed partially in<br />

Appendix I, but the discussions are not presented in the text <strong>of</strong> the GEIS as projected<br />

impacts <strong>of</strong> the action. (208-NRC)<br />

Response<br />

If the repository acts as planned no long-term consequences will occur (aside from<br />

small amounts <strong>of</strong> uplift and subsidence).<br />

Draft.pp. 3.1.136-172<br />

Issue<br />

Several letters commented on the selection and classification <strong>of</strong> accident scenarios<br />

analyzed in the draft Statement.<br />

A different classification system than the one used for the long-term accident scen-<br />

arios in the Statement should be considered. (198)<br />

Releases are estimated for four hypothetical accident sequences. The numbers assoc-<br />

iated with the releases are presented by the'GEIS as "what if" calculations, without

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