Environmental Impact Statement - radioactive monticello

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Description of Site and Environment on improved air quality data. The most recent re-designation by U.S. Environmental Protection Agency (EPA) became effective on September 24, 2002. Areas that were previously non-attainment areas are now referred to as maintenance areas (MPCA 2005). The Monticello plant is located in Wright County, a portion of which was in non-attainment for carbon monoxide (CO) during the 1990s, and therefore continues to be a maintenance area for CO. In 1997, the EPA revised the national standard for ground-level ozone from a 0.12 ppm 1-hour "peak" standard to a 0.08 ppm 8-hour "average" standard, now commonly called the 8-hour standard. In April 2004, EPA published the 8-hour ozone non-attainment designations, and announced that the 1-hour "peak" standard will be phased out. The entire state of Minnesota is in attainment with the new 8-hour ozone standard (EPA 2004). There are no mandatory Class I Federal areas, in which visibility is an important value designated in 40 CFR Part 81, within 100 mi of the Monticello site. Diesel engines, a boiler, and other sources associated with the Monticello site emit various nonradioactive air pollutants to the atmosphere, such as NOX, S02 and CO. Air emissions from these sources are subject to the terms and conditions of a Title V air pollution control operation permit issued by the MPCA (Air Emission Permit No. 17100019-003). The Monticello plant must comply with the associated conditions of the permit, including fuel specifications, source testing, emissions limitations, record-keeping, and reporting requirements. Plant compliance with the air permit conditions has been good, and some minor compliance issues were* successfully resolved in the mid-1990s. Permitted equipment with nonradioactive air emissions at the facility includes: A. EU 001 Boiler B. EU 002 Diesel Generator 11 C. EU 003 Diesel Generator 12 D. EU 004 Security Diesel Generator E. EU 005 Fire Pump Diesel Engine F. EU 006 Diesel Generator 13 G. EU 007 Temporary Engine > 600 Hp H. EU 008 Temporary Engine < 600 Hp In calendar year 2003, the total annual NO, emission was 5.55-tons and the total annual CO emission was 1.32 tons, while all other emission constituents were less than one ton (MPCA 2004b). There are no significant changes proposed for nonradioactive air emissions from the NUREG-1 437, Supplement 26 2-18 August 2006 1
Description of Site and Environment Monticello site, and there are no significant changes proposed to the limits and conditions of the air permit. 2.2.5 Aquatic Resources The principal aquatic resource in the vicinity of Monticello is the Mississippi River, which is the source and receiving body of the water for the Monticello cooling system. The main aquatic habitats on the Monticello site are the Mississippi River and the cooling-system discharge canal. The discharge canal is approximately 1000 ft long by 200 ft wide at the surface, sloping down to a width of 92 ft on the bottom. It is 18 ft deep at the center. In 1980, an overflow weir was added to the discharge canal that closely approximates the shoreline of the Mississippi River. The weir was added to minimize cold shock mortality from sudden plant shutdowns within the discharge canal and in the river area adjacent to the discharge (MPCA 1979). It allows normal outflow of water while reducing the movement of fish into the discharge canal (NMC 2005a). The transmission lines associated with Monticello cross several streams and rivers. The Monticello-Elm Creek-Parkers Lake line crosses Otter Creek, County Ditch #9, Crow River, Rush Creek, and Elm Creek; while the Monticello-Sherburne County-Coon Creek line crosses the Mississippi River, Elk River, St. Francis River, Tibbits Brook, Trott Brook, and the Rum River. Transmission line right-of-way maintenance activities in the vicinity of stream and river crossings employ procedures to minimize erosion and shoreline disturbance While encouraging vegetative cover. The Monticello plant facilities are located on the southern bank of the Mississippi River in Wright County at Mississippi River Mile 900. Near Monticello, the Mississippi River is broad and turbulent. The average river velocity varies from about 1.5 to 2.5 ft/s. The river 1.5 mi upstream to 1.5 mi downstream of the plant loses 10 ft in elevation, resulting in rapids and current velocities that exceed 4.9 ft/s (NMC 2005a). The main channel of the Mississippi River is approximately 980 ft wide in the vicinity of the Monticello site. This portion of the river is also shallow, averaging about 6.2 ft deep (Knutson et al. 1976). Within backwaters and protected shoreline areas, the river is less than 2 ft deep with silt and mud substrates, whereas the main channel substrates consist of gravel, rubble, and boulders with some sand (Afzal et al. 1975). River flow past Monticello averages 7217 cfs, which meets the NRC's annual flow criterion for classification as a small river. Flow has ranged from a minimum of 240 cfs to a maximum of 51,000 cfs. It exceeds 1100 cfs 90 percent of the time, and 300 cfs 99 percent of the time. Ambient river temperature in summer averages 71 OF, while winter temperatures are at freezing (32°F) (NMC 2005b). A number of physical and chemical stresses have caused major changes and modifications to the aquatic resources within the Upper Mississippi River Basin. Dams and six associated headwater reservoirs occur on the Mississippi River between its headwaters at Lake Itasca and St. Anthony Falls Lock and Dam (river mile [RM] 854) near the Twin Cities. However, as the August 2006 2-19 NUREG-1437, Supplement 26 I
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NUREG-1437 Supplement 26 Generic En
Page 3 and 4: Generic Environmental Impact Statem
Page 5 and 6: Abstract The U.S. Nuclear Regulator
Page 7 and 8: Contents Abstract........... ......
Page 9 and 10: Contents 4.8.7 Conclusions Regardin
Page 11 and 12: Figures Figure 2-1. Figure 2-2. Fig
Page 13: Contents Table 5-1. Category 1 Issu
Page 16 and 17: Executive Summary The Commission ha
Page 18 and 19: Executive Summary NMC and the staff
Page 21 and 22: 0 degree pCi microcurie(s) pCi/mL m
Page 23 and 24: Abbreviations/Acronyms IPE IPEEE J
Page 25: Abbreviations/Acronyms rem REMP RHR
Page 28 and 29: Introduction and (4) present the st
Page 30 and 31: Introduction (1) The environmental
Page 32 and 33: Introduction I assessment of the re
Page 34 and 35: Introduction This definition of pur
Page 37 and 38: 2.0 Description of Nuclear Power Pl
Page 39 and 40: Description of Site and Environment
Page 53: Description of Site and Environment
Page 67 and 68: Descfiption of Site and Environment
Page 71 and 72: Table 2-10. Land Use in Sherburne C
Page 87: Description of Site and Environment
Page 90 and 91: Environmental Impacts of Refurbishm
Page 92 and 93: Environmental Impacts of Refurbishm
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Environmental Impacts of Operation
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Environmental Impacts of Postulated
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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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Environmental Impact Statement - radioactive monticello

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