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Environmental Impact Statement - radioactive monticello

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Contents<br />

4.8.7 Conclusions Regarding Cumulative <strong>Impact</strong>s ........................ 4-49<br />

4.9 Summary of <strong>Impact</strong>s of Operations During the Renewal Term ................ 4-49<br />

4.10 References .................................................... 4-50<br />

5.0 <strong>Environmental</strong> <strong>Impact</strong>s of Postulated Accidents ............................... 5-1<br />

5.1 Postulated Plant Accidents ............................................ 5-1<br />

5.1.1 Design-Basis Accidents ......................................... 5-1<br />

5.1.2 Severe Accidents .............................................. 5-3<br />

5.2 Severe Accident Mitigation Alternatives .................................... 5-4<br />

5.2.1 Introduction .................................. ; ............... 5-5<br />

5.2.2 Estimate of Risk .............................................. 5-6<br />

5.2.3 Potential Plant Improvements .............. ....... 5-7<br />

5.2.4 Evaluation of Risk Reduction and Costs of Improvements .............. 5-8<br />

5.2.5 Cost-Benefit Comparison ....................................... 5-8<br />

5.2.6 Conclusions .................................................. 5-10<br />

5.3 References ...... ................................................ 5-11<br />

6.0 <strong>Environmental</strong> <strong>Impact</strong>s of the Uranium Fuel Cycle and Solid Waste Management ..... 6-1<br />

6.1 The Uranium Fuel Cycle ............................................... 6-2<br />

6.2 References ........................................................ 6-9<br />

7.0 <strong>Environmental</strong> <strong>Impact</strong>s of Decommissioning .................................. 7-1<br />

7.1 Decommissioning ..................................................... 7-2<br />

7.2 References ... ............. ...................................... 7-4<br />

8.0 <strong>Environmental</strong> <strong>Impact</strong>s of Alternatives to License Renewal ....................... 8-1<br />

8.1 No-Action Alternative ................................................. 8-1<br />

8.2 Alternative Energy Sources ............................................ 8-6<br />

8.2.1 Coal-Fired Generation ................................... ....... 8-8<br />

8.2.2 Natural Gas-Fired Generation ................................... 8-18<br />

8.2.3 Coal Gasification ............................................. 8-26<br />

8.2.4 Nuclear Power Generation ..................................... 8-34<br />

8.2.4.1 Closed-Cycle Cooling System .............................. 8-35<br />

8.2.4.2 Once-Through Cooling System ............................. 8-42<br />

8.2.5 Purchased Electrical Power ..................................... 8-43<br />

8.2.6 Other Alternatives ............................................ 8-44<br />

8.2.6.1 Oil-Fired Generation ...................................... 8-44<br />

8.2.6.2 W ind Power ............................................ 8-45<br />

8.2.6.3 Solar Power ............................................ 8-46<br />

8.2.6.4 Hydropower ........................................... 8-47<br />

8.2.6.5 Geothermal Energy ...................................... 8-47<br />

8.2.6.6 W ood W aste ............................................ 8-47<br />

8.2.6.7 Municipal Solid W aste .................................... 8-48<br />

8.2.6.8 Other Biomass-Derived Fuels ............................... 8-49<br />

8.2.6.9 Fuel Cells .............................................. 8-49<br />

August 2006 vii NUREG-1437, Supplement 26

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