Robert Andrews - US Nuclear Waste Technical Review Board
Robert Andrews - US Nuclear Waste Technical Review Board
Robert Andrews - US Nuclear Waste Technical Review Board
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Comparison of Lithium Transport<br />
in Laboratory and Field Tests<br />
• Laboratory (top figure) and<br />
field (bottom figure) Lithium<br />
retardation coefficients are<br />
similar<br />
• Field K d (range from 0.6 to<br />
4.1 ml/g) are slightly larger<br />
than laboratory K d (range<br />
from 0.1 to 0.3 ml/g)<br />
– difference perhaps a result<br />
of alteration minerals (e.g.,<br />
clays) removed during<br />
preparation of lab samples<br />
• Using laboratory-derived K d<br />
is conservative for post<br />
closure performance<br />
assessment<br />
00414PR_SZ_NRC_<strong>Andrews</strong>.ppt 44
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