Environmental Impact Statement - radioactive monticello

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Environmental Impacts of Alternatives NSP would be required to shut down Monticello and to comply with NRC decommissioning requirements in 10 CFR 50.82 whether or not the OL is renewed. If the Monticello OL is renewed, shutdown of the unit and decommissioning activities will not be avoided, but will be postponed for up to an additional 20 years. The environmental impacts associated with decommissioning following a license renewal period of up to 20 years or following the no-action alternative would be bounded by the discussion of impacts in Chapter 7 of the license renewal GElS (NRC 1996), Chapter 7 of this supplemental environmental impact statement (SEIS), and the Final Generic Environmental Impact Statement on Decommissioning of Nuclear Facilities, NUREG-0586, Supplement 1 (NRC 2002). The impacts of decommissioning after 60 years of operatiorh are not expected to be significantly different from those occurring after 40 years of operation. Impacts from the decision to permanently cease operations are not considered in NUREG-0586, Supplement 1.(a) Therefore, immediate impacts that occur between plant shutdown and the beginning of decommissioning are considered here. These impacts, which will occur when the unit permanently shuts down regardless of whether the license was to be renewed or not, are discussed below, with the results presented in Table 8-1. Plant shutdown will result in a net reduction in power production capacity. The power not generated by Monticello during the license renewal term would likely be replaced by (1) power purchased from other electricity providers, (2) generating alternatives other than Monticello, (3) demand-side management (DSM) and energy conservation, or (4) some combination of these -options. The environmental impacts of these options are discussed in Section 8.2. * Land Use In Chapter 4, the staff concluded that the impacts on land use of continued plant operation during the renewal term would be SMALL. Onsite land use will not be affected immediately by the cessation of operations. Plant structures and other facilities are likely to remain in place until decommissioning. The transmission lines associated with the project would be expected to remain in service after the plant stops operating. As a result, maintenance of the transmission corridors will continue as before. Therefore, the staff concludes that the impacts on land use from plant shutdown would be SMALL. (a) Appendix J of NUREG-0586 Supplement I discusses the socioeconomic impacts of plant closure, but the results of the analysis in Appendix J are not incorporated in the analysis presented in the main body of the NUREG. NUREG-1437, Supplement 26 8-2 August 2006. 1
Environmental Impacts of Alternatives Table 8-1. Summary of Environmental Impacts of the No-Action Alternative Impact Category Impact Comment Land Use Ecology Water Use and Quality-Surface Water Water Use and Quality- Groundwater Air Quality Waste Human Health Socioeconomics Socioeconomics (Transportation) Aesthetics Historic and Archaeological Resources Environmental Justice • Ecology SMALL SMALL SMALL SMALL SMALL SMALL SMALL SMALL to LARGE SMALL SMALL SMALL SMALL to LARGE Impacts are expected to be SMALL because plant shutdown is not expected to result in changes to onsite or offsite land use. Impacts are expected to be SMALL because current aquatic impacts are SMALL. Terrestrial impacts are not expected because there will not be any land use changes. Impacts are expected to be SMALL because surface water intake and discharges will decrease. Impacts are expected to be SMALL because groundwater use will decrease. Impacts are expected to be SMALL because releases related to plant operation and worker transportation will decrease. Impacts are expected to be SMALL because generation of high-level waste will end, and generation of low-level and mixed waste will decrease. Impacts are expected to be SMALL because radiological doses to workers and members of the public, which are within regulatory limits, will be reduced. Impacts are expected to be SMALL to LARGE because of a decrease in employment and tax revenues. Impacts are expected to be SMALL because the decrease in employment would reduce traffic. Impacts are expected to be SMALL because plant structures will remain in place.. Impacts are expected to be SMALL because shutdown of the plant will not result in changes to onsite or offsite land use. Impacts are expected to be SMALL to LARGE because loss of employment opportunities is expected. In Chapter 4 of this SEIS, the NRC staff concluded that the ecological impacts of continued plant operation would be SMALL. Cessation of operations will be accompanied by a reduction in cooling water flow and the thermal plume from the plant. The environmental impacts to aquatic species, including threatened and endangered species, associated with these changes are generally positive. The impact of plant closure on the terrestrial ecosystem will be negligible because the transmission lines to the plant will remain energized. Therefore, the staff concludes that ecological impacts from shutdown of the plant would be SMALL. August 2006 8-3 NUREG-1437, Supplement 26 1
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NUREG-1437 Supplement 26 Generic En
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Generic Environmental Impact Statem
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Abstract The U.S. Nuclear Regulator
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Contents Abstract........... ......
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Contents 4.8.7 Conclusions Regardin
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Figures Figure 2-1. Figure 2-2. Fig
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Contents Table 5-1. Category 1 Issu
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Executive Summary The Commission ha
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Executive Summary NMC and the staff
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0 degree pCi microcurie(s) pCi/mL m
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Abbreviations/Acronyms IPE IPEEE J
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Abbreviations/Acronyms rem REMP RHR
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Introduction and (4) present the st
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Introduction (1) The environmental
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Introduction I assessment of the re
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Introduction This definition of pur
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2.0 Description of Nuclear Power Pl
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Description of Site and Environment
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Descfiption of Site and Environment
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Table 2-10. Land Use in Sherburne C
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Environmental Impacts of Refurbishm
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Environmental Impacts of Refurbishm
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Environmental Impacts of Operation
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Environmental Impacts of Alternativ
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9.0 Summary and Conclusions By lett
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Summary and Conclusions The GElS co
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Summary and Conclusions not reached
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z a :m G) CA, Table 9-1. Summary of
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Summary and Conclusions U.S. Nuclea
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Appendix A: Comments Received on th
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Appendix A Commenter ID Commenter A
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Appendix A A.1 Comments and Respons
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Monticello Nuclear Generating Plant
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3. General Comments Regarding Licen
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Appendix A nuclear power (I) and Mo
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Appendix A scoping process. If an i
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Appendix A Comment: The NRC does no
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Appendix A Comment: The EIS needs t
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Appendix A Comment: The EIS needs t
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Appendix A cognitive impairment. We
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Appendix A Despite available eviden
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Appendix A Comment: The Hospital Di
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Appendix A Comment: The NRC also fa
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Appendix A The NRC fails to acknowl
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the coal chain What about all the s
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gasification generation balanced ag
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Appendix A 14. Comments Concerning
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Appendix A Part II Comments Receive
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Appendix A Table A-2. (contd) Comme
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Appendix A Table A-2. (contd) Comme
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Appendix A A.2.4 General Comments i
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Appendix A Comment: Page 2-7, Line
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Appendix A turns out that we don't
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Appendix A A.2.12 Comments Concerni
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Appendix A Response: As described a
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information in the Final SEIS as pa
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Appendix A Response: The impacts to
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Appendix A Response: The text in Se
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aging management aspects of the lic
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Appendix A A-2 PURVES TODD: Just ba
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Appendix A PURVES TODD: Thank you v
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Appendix A So you don't look for wh
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Appendix A Yes CHUCK HOSTOVSKY: I t
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Appendix A information a little bit
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Appendix A Return-path: Received:
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Appendix A tAY-W8-2006 11! 07 'ENCL
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Appendix A ta W.Y United States Dep
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Appendix A MAY-17-206 13:11 P.04 U.
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Appendix A IMAY-17-20O6 13:12 P.06
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Appendix B Contributors to the Supp
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Appendix B Name Karen McWilliams Na
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Appendix C: Chronology of NRC Staff
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Appendix C May 27, 2005 May 27, 200
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Appendix C June 1,2005 June 2, 2005
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Appendix C January 23, 2006 Februar
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Appendix D Organizations Contacted
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Appendix D Wright County Assessor,
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Appendix E: Nuclear Management Comp
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Cn N0 Table E-2. (contd) Expiration
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Appendix E UNITED STATES -" NUCLEAR
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Appendix E N. Archabal -2- potentia
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Appendix E D. Stinnett -2- miles of
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Appendix E FIGURE 2.1-3 SITE BOUNDA
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Appendix E Common Name Scientific N
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Appendix E A. Stinnet : -2- ' !We a
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Appendix E 1.0 Introdution. The U.S
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Appendix E 6-M.LE SITE VICINITY Fig
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Appendix E agriculture and industri
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Appendix E -" .. " MWNTICELLO 345-K
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Appendix E Table 2. Terrestrial and
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Appendix E During the June 2005 sit
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Appendix E Vegetation management ma
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Appendix E Lehman, R.N. 2001. Rapto
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Appendix E MAY-31-206 15:31 P.02 MI
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Appendix F GElS Environmental Issue
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Appendix F References 10 CFR Part 5
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Appendix G: NRC Staff Evaluation of
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Appendix G Table G-1. Monticello Co
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Appendix G * The MACCS2 analyses pe
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Appendix G relative risk significan
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" Permanently posting an operator a
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Appendix G accident sequences to em
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Appendix G The staff noted that the
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Appendix G (testing of the boron in
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somewhat higher than what would act
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C Cn N, a) % Risk Reduction Total B
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Appendix G G.6 Cost-Benefit Compari
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Appendix G monetary equivalent of u
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Appendix G * SAMA 16- provide passi
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Appendix G several other SAMAs, res
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Appendix G Generating Plant, Docket
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NRC FORM 335 U.S. NUCLEAR REGULATOR
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Environmental Impact Statement - radioactive monticello

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