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

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I-<br />

250<br />

200<br />

>- 150<br />

7.14<br />

PROPOSED ALTERNATIVE PROGRAM<br />

SPROGRAM REGION<br />

S/<br />

W<br />

I-<br />

100 -<br />

REGION<br />

0 2010 REPOSITORY<br />

50 / STARTUP<br />

0 I I<br />

1990 REPOSITORY<br />

STARTUP<br />

SRSTARTUP<br />

I I<br />

2030 REPOSITORY<br />

I I I<br />

2000 2010 2020 2030 2040 2050<br />

FIGURE 7.3.2. Repository Inventory Accumulation for the Once-Through<br />

Cycle in Case 3<br />

receiving rates. The cumulative fuel reprocessed in Case 3 for the two reprocessing startup<br />

dates considered is shown in Figure 7.3.3. The repository accumulations <strong>of</strong> high-level<br />

wastes are plotted in Figure 7.3.4. Because <strong>of</strong> the five-year holdup <strong>of</strong> high-level waste at<br />

the reprocessing plant and because <strong>of</strong> the differences between the reprocessing rates and the<br />

repository receiving capacity, the high-level waste inventory accumulation in the<br />

2010 repository is sensitive to the reprocessing date. For these reasons the region <strong>of</strong><br />

inventory accumulation representing the proposed program and the region representing the<br />

alternative program overlap. The accumulation for the 2010 reprocessing startup and a<br />

2010 repository startup forms the upper bound for the proposed program region while the<br />

accumulation for the 1990 reprocessing startup and a 2010 repository startup forms the lower<br />

bound for the alternative program region.<br />

For Cases 4 and 5, only mid-range dates were used for reprocessing and repository<br />

startup dates. The repository inventory accumulation with the once-through cycle for<br />

Cases 4 and 5 are shown in Figure 7.3.5. The cumulative amounts <strong>of</strong> fuel reprocessed for<br />

Cases 4 and 5 are shown in Figure 7.3.6 while the repository accumulations <strong>of</strong> high-level<br />

waste are shown in Figure 7.3.7.<br />

YEAR<br />

The total number <strong>of</strong> spent fuel canisters (see Section 4.3.1 for canister descriptions)<br />

sent to disposal with the once-through cycle is shown in Table 7.3.1a. Since the total<br />

quantity <strong>of</strong> spent fuel in a given case is the same for either the proposed or the

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