Environmental Impact Statement - radioactive monticello

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Environmental Impacts of Operation The staff independently reviewed the NMC ER, visited the Monticello site, and reviewed the applicant's State of Minnesota NPDES permit. Based on the evaluation presented above, thermophilic microbiological organisms are not likely to occur as a result from Monticello discharges to the Mississippi River. The staff concludes that impacts on public health from thermophilic microbiological organisms from continued operation of Monticello in the license renewal period are SMALL, and further mitigation would not be warranted. 4.2 Transmission Lines The Final Environmental Statement (FES) for the Monticello site (AEC 1972) describes two transmission lines that connect Monticello substation with the transmission system. These transmission corridors cover approximately 1441 ac over a total corridor length of approximately 80 mi. There are five additional transmission lines emanating from the Monticello substation; however, they are not part of this review. The Xcel Energy program for conductor and tower maintenance includes monthly fixed-wing aerial patrols for the 345-kV lines and annual helicopter patrols on all lines in the system. These patrols ipclude surveillance for system anomalies and land use changes that could impact design assumptions. The objective of Xcel Energy's transmission line vegetation management program is to keep the corridors clear of trees, bushes, and other tall-growing vegetation that could come into close proximity with the conductors and cause line outages. They achieve this objective by selectively removing tall-growing trees and brush from the transmission corridors while encouraging the growth of lower-growing trees, shrubs, and grasses. Herbicides are used occasionally, primarily applied to individual trees or shrubs to prevent re-sprouting (Xcel Energy 2005). Category 1 issues in 10 CFR Part 51, Subpart A, Appendix B, Table B-1 that are applicable to transmission lines from the Monticello Site are listed in Table 4-3. NMC stated in its ER that it is not aware of any new and significant information associated with the renewal of the Monticello site. The staff has not identified any new and significant information during its I independent review of the NMC ER, the staff's site visit, the scoping process, its evaluation of other available information, or public comments on the draft SEIS. Therefore, the staff concludes that there are no impacts related to these issues beyond those discussed in the GELS. For all of those issues, the staff concluded in the GElS that the impacts are SMALL, and additional plant-specific mitigation measures are not likely to be sufficiently beneficial to be warranted. A brief description of the staff's review and the GElS conclusions, as codified in Table B-i, for each of these issues follows: * Power line right-of-way management (cutting and herbicide application). Based on information in the GElS, the Commission found that The impacts of right-of-way maintenance on wildlife are expected to be of small significance at all sites. NUREG-1437, Supplement 26 4-22 August 2006 1 -
Environmental Impacts of Operation Table 4-3. Category 1 Issues Applicable to the Monticello Transmission Lines During the Renewal Term ISSUE-10 CFR Part 51, Subpart A, Appendix B, Table B-1 GElS Sections TERRESTRIAL RESOURCES Power line right-of-way management (cutting and herbicide application) 4.5.6.1 Bird collisions with power lines 4.5.6.2 Impacts of electromagnetic fields on flora and fauna (plants, agricultural crops, 4.5.6.3 honeybees, wildlife, livestock) Flood plains and wetlands on power line right-of-way 4.5.7 AIR QUALITY Air quality effects of transmission lines 4.5.2 LAND USE Onsite land use 4.5.3 Power line right-of-way 4.5.3 The staff has not identified any new and significant information during its independent review of the NMC ER, the staff's site visit, the scoping process, consultation with the U.S. Fish and. Wildlife Service (FWS), its evaluation of other information, or public comments on the draft SEIS. Therefore, the staff concludes that there are no impacts of power line right-of-Way maintenance during the renewal term beyond those discussed in the GELS. I * Bird collisions with power lines. Based on information in the GElS, the Commission found that Impacts are expected to be of small significance at all sites. The staff has not identified any new and significant information during its independent review of the NMC ER, the staff's site visit, the scoping process, consultation with the FWS, its evaluation of other information, or public comments on the draft SEIS. Therefore, the staff concludes that there are no impacts of bird collisions with power lines during the renewal term beyond those discussed in the GELS. I Impacts of electromagnetic fields on flora and fauna (plants, agricultural crops, honeybees, wildlife, livestock). Based on information in the GElS, the Commission found that No significant impacts of electromagnetic fields on terrestrial flora and fauna have been identified. Such effects are not expected to be a problem during the license renewal term. The staff has not identified any new and significant information during its independent review of the NMC ER, the staff's site visit, the scoping process, consultation with the FWS, its evaluation August 2006 4-23 NUREG-1437, Supplement 26 I I
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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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Page 63 and 64: Description of Site and Environment
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Environmental Impacts of the Uraniu
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Environmental Impacts of Decommissi
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Environmental Impacts of Decommissi
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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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