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

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Response<br />

406<br />

ALTERNATIVE DISPOSAL CONCEPTS<br />

The full cost <strong>of</strong> R&D that would be required to implement the space disposal concept<br />

has not been determined. Section 6.1.8.3 <strong>of</strong> the final Statement presents a summary <strong>of</strong> the<br />

efforts thought to be necessary to provide a basis for such a cost estimate. The efforts<br />

required to provide the basis are estimated to cost $20 million.<br />

Draft p. 3.10.46<br />

Issue<br />

Per review <strong>of</strong> Table 3.10.6, this disposal mode is not being seriously considered as a<br />

viable alternative to terrestrial disposal. If it is to be considered as a likely alterna-<br />

tive, additional funds would be necessary for engineering design and safety assessments.<br />

(124)<br />

Response<br />

Section 6.1.8.3 <strong>of</strong> the final Statement presents a discussion <strong>of</strong> the status <strong>of</strong> techni-<br />

cal development and R&D needs for the space disposal concept. Noteworthy is the fact that<br />

current information is considered insufficient to support a meaningful estimate <strong>of</strong> the full<br />

cost <strong>of</strong> R&D that would be required to implement this concept.<br />

Draft Appendix R<br />

Issue<br />

This is an interesting discussion but the state <strong>of</strong> development <strong>of</strong> the technology does<br />

not permit more than qualitative information. (113-EPA)<br />

Response<br />

Although the current state <strong>of</strong> development <strong>of</strong> the space disposal concept is considered<br />

tobe insufficient to provide quantitative estimates <strong>of</strong> many important performance charac-<br />

teristics, there are data available in the literature to provide limited quantification <strong>of</strong><br />

impacts and some costs. This information is presented in Section 6.1.8 <strong>of</strong> the final<br />

Statement.<br />

Issue<br />

The National Aeronautics and Space Administration (NASA) submitted many comments on<br />

the space disposal concept in the draft Statement. In general, the comments suggested re-<br />

phrasing or revising the text to better represent the current status <strong>of</strong> the development <strong>of</strong><br />

the space disposal concept. (200)

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