Environmental Impact Statement - radioactive monticello

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Environmental Impacts of Alternatives Table 8-3. Summary of Environmental Impacts of Natural Gas-Fired Generation at an Alternate Greenfield Site Using Closed-Cycle Cooling 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 SMALL to MODERATE SMALL to MODERATE SMALL to MODERATE SMALL to MODERATE MODERATE SMALL SMALL SMALL to MODERATE SMALL to MODERATE SMALL to MODERATE Approximately 110 ac of rural agricultural land and/or natural plant communities converted to industrial use, of which 25 ac would be occupied by plant facilities. An additional 110 ac would be developed as a transmission and pipeline corridor. Impact depends on whether the site has been previously developed. Factors to consider include location and ecology of the site, transmission line route and rail spur route. In total, impacts could include habitat degradation, fragmentation, or loss as a result of construction activities and conversion of land to industrial use. Ecological communities might experience reduced productivity and biological diversity from disturbing previously intact land. Intake and discharge would involve relatively small quantities of water compared to the coal alternative. The impact on the surface water would depend on the volume of water needed for makeup water, the discharge volume, and the characteristics of the receiving body of water. Impact depends on volume of water withdrawn and the characteristics of the groundwater source. Sulfur oxides: 9 tons/yr Nitrogen oxides: 134 tons/yr Carbon monoxide: 203 tons/yr Particulates: 26 tons/yr of PM, 0 Other: (1) hazardous air pollutants, including arsenic, formaldehyde, and nickel and (2) C02 emissions, which contribute to global warming. Natural gas-fired alternative would generate only small quantities of municipal and industrial waste, including spent catalyst used for NO, control. Impacts are considered to be minor. During construction, impacts would be MODERATE. Up to 450 additional workers would be required during the peak of the 2-year construction period. Wright County would experience loss of tax base and employment, potentially offset by projected economic growth in Wright and Sherburne counties. Transportation impacts associated with construction workers would be SMALL to MODERATE depending on the site selected. Transportation impacts associated with operational workers would' be SMALL. The significance of Impacts would depend on the characteristics of the alternate site. NUREG-1437, Supplement 26 8-20 August 2006 1
Environmental Impacts of Alternatives Table 8-3. (contd) Impact Category Impact Comment Historic and SMALL Any potential impacts can likely be effectively managed. Archaeological Resources Environmental SMALL to Impacts vary depending on population distribution and makeup at Justice MODERATE the alternate site. * Ecology Potential impacts on ecological resources from construction and operation of the representative natural gas-fired plant are highly site specific. Development of the representative natural gas-fired plant at a greenfield site in southern Minnesota would likely result in the loss of approximately 25 ac of terrestrial habitat for onsite plant facilities and modification of approximately 110 ac of existing offsite terrestrial habitat for a new natural gas supply pipeline and transmission line corridor. Development of the transmission line would limit changes in future land uses in the transmission corridor to those that are compatible with the line, but most agricultural practices and other currently compatible uses could continue. Depending on route specifics, clearing of forest and shrubland, some of which may qualify as wetlands, would also likely be required. However, hydrologic regimes of wetlands would not be appreciably affected and the conversion of transmission corridor areas currently in forest and woodland habitats could be advantageous to species with affinities for remnant prairie habitats. The most significant potential impacts to aquatic communities relate to the operation of the cooling water system, but regulatory controls would be expected to ensure appropriate protection of aquatic communities from thermal discharges and the location and operation of cooling water intakes. In addition, because the plant is assumed to use closed-cycle cooling, the cooling water intake and discharge flows would be much lower than that of Monticello, the impact from which is considered to be SMALL. Given this information, the staff concludes that development of the representative natural gas-fired plant at a greenfield site would have a SMALL to MODERATE impact on ecological communities. Water Use and Quality-Surface Water Each of the natural gas-fired units would include a heat-recovery boiler, using a portion of the waste heat from the combustion turbines to make steam. The steam would then turn an electric generator. The net result would be an overall reduction in the amount of waste heat rejected from the plant, with an associated reduction in the amount of cooling water required by the plant. Thus, the cooling water requirements for the natural gas-fired combined-cycle units would be much less than for conventional steam-electric generators, including the existing nuclear unit. Plant discharge would consist mostly of cooling tower blowdown, with the August 2006 8-21 NUREG-1 437, 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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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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