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

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transportation to and from this storage and the impacts and costs for these operations.
Benefits of the delay inherent in this alternative program include the processing and dispo-
sal of older and thus less radioactive and cooler wastes.
Repository startup dates considered in the once-through cycle and reprocessing cycle
system simulations are shown in Tables 1.7.1 and 1.7.2, respectively. The range of repro-
cessing startup dates considered is also shown in Table 1.7.2. To simplify the analysis
only a single mid-range repository startup date, year 2000 representing the proposed program
and 2020 representing the alternative program, was used for Cases 4 and 5. For the same
reason only a single mid-range reprocessing date was used for these cases. However, the
same potential range as in the other cases should be inferred for both repositories and
reprocessing.
TABLE 1.7.1. Repository Startup Dates Considered in the Once-Through-Cycle
System Simulations
No-Action
Nuclear Power Growth Cases Proposed Program Alternative Program Alternative
1. Present Inventory Only 1990 to 2010 1 (a 2010 (a ) to 2030 None
2. Present Capacity and 1990 to 20 10 (a) 20 10 (a) to 2030 None
Normal Life
3. 250 GWe System by Year 2000 1990 to 20 10 (a) 20 10 (a) to 2030 None
and Normal Life
4. 250 GWe System by Year 2000 2000 2020
and Steady State
5. 500 GWe System by Year 2040 2000 2020
(a) These cases are the same under both the proposed and alternative programs.
TABLE 1.7.2. Reprocessing and Repository Startup Date Combinations
Considered in the Reprocessing-Cycle System Simulations
Proposed Program Alternative Program
Nuclear Power Growth Cases Reprocessing Repository Reprocessing Repository
1. Present Inventory NA (a)
NA ( a) NA NA
2. Present Capacity and
Normal Life NA NA NA NA
3. 250 GWe System by Year 2000 1990 1990 1990 2010(b)
and Normal Life 1990 20 10(b) 2010 2010(b)
2010 20 10(b) 1990 2030
2010 2030
4. 250 GWe System by Year 2000 2000 2000 2000 2020
and Steady State
5. 500 GWe System by Year 2040 2000 2000 2000 2020
(a) NA = not applicable. Reprocessing assumed not to be undertaken in these low-growth
cases.
(b) These cases are the same under both the proposed and alternative programs.