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

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K.19<br />

TABLE K.1.7. Thermal Loading Limits for <strong>Waste</strong> Repositories (kW/Acre)<br />

Spent Fuel HLW<br />

Age <strong>of</strong> <strong>Waste</strong> Near-Field Far-Field Near-Field Far-Field<br />

at Emplacement Local Areal Average Repository Local Areal Average Repository<br />

Formation (yr) Loading Limit Loading Limit Loading Limit Loading Limit<br />

Salt 5 240 100( a ) 190 190<br />

10 150 60 ( a ) 150 150<br />

50 100 3 1( a ) 130 80 (a)<br />

Shale 5 180 180 140 140<br />

10 120 120 120 120<br />

50 70 63( a ) 120 120<br />

Granite 5 300 300 210 210<br />

10 190 190 190 190<br />

50 140 140 180 180<br />

Basalt 5 300 300 210 210<br />

10 190 190 190 190<br />

50 140 140 180 180<br />

(a) Long-term far-field considerations limit average repository loading in these cases.<br />

TABLE K.1.8. Thermal Loadings Used, kW/Acre<br />

Spent Fuel HLW<br />

Age <strong>of</strong> <strong>Waste</strong> Near-Field<br />

at Emplacement Near-Field Far-Field Local Far-Field<br />

Formation (yr) Local Loading Average Loading Loading Average Loading<br />

Salt 5 84 .67* 130* 97<br />

10 50 40* 100* 76<br />

50 25 20* 70 54*<br />

Shale 5 120* .96 94* 70<br />

10 80* 65 80* 60<br />

50 52 42* 80* 60<br />

Granite 5 200* 162 140* 108<br />

10 130* 105 130* 100<br />

50 94* 76 120* 93<br />

Basalt 5 200* 162 140* 108<br />

* Denotes limiting parameters.<br />

10 130* 105 130* 100<br />

50 94* 76 120* 93

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