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Generic Environmental Impact Statement for License Renewal of Nuclear Plants Regarding Vermont Yankee Nuclear Power Station (NUREG-1437, Supplement 30) Final Report
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- NUREG-1437, Supplement 30
Table of Contents
APPENDIX
FIGURES
TABLES
- 2-1 VYNPS NPDES Discharge Locations
- 2-2 VYNPS Potable Water Wells
- 2-3 Monitoring Requirements for Water Quality Parameters at NPDES Outfalls
- 2-4 Discharge Temperature Requirements Under the Current and Amended
NPDES Permits for VYNPS
- 2-5 Maximum Calculated River Temperature Increase at River Monitoring
Station 3 During the NPDES Winter Period (October 15 through May 15)
- 2-6 Maximum Calculated River Temperature Increase at River Monitoring
Station 3 During the NPDES Summer Period (May 16 through October 14)
- 2-7 Total Water Depth and Temperature Sampling Depths in Vernon Pool
- 2-8 Summary of Migratory Fish Passage at Vernon Dam, 1981 Through 2006
- 2-9 Summary of Migratory Fish Passage at Holyoke, Turners Falls, Vernon,
and Bellows Falls Dams, 2004 and 2005
- 2-10 American Shad Counts at Holyoke, Turners Falls, and Vernon Dams
from 1981 Through 2005
- 2-11 Federally and Vermont-Listed Aquatic Species Potentially Occurring
in the Vicinity of VYNPS and Associated Transmission Lines
- 2-12 Federally Listed and State-Listed Terrestrial Species Whose Ranges
Include the VYNPS Site, Transmission Lines Within the Scope of License
Renewal, and Vicinity
- 2-13 VYNPS Permanent Employee Residence Information by County and City
- 2-14 Housing Units and Housing Units Vacant (Available) by County
During 1990 and 2000
- 2-15 Major County Public Water Supply Systems in 2004
- 2-16 Population Growth in Windham County, Cheshire County,
and Franklin County, 1990 to 2032
- 2-17 Major Employment Facilities Within 10 mi of the VYNPS Site
- 2-18 VYNPS Contribution to Vernon Tax Revenues
- 3-1 Category 1 Issues for Refurbishment Evaluation
- 3-2 Category 2 Issues for Refurbishment Evaluation
- 4-1 Category 1 Issues Applicable to the Operation of the VYNPS
Cooling System During the Renewal Term
- 4-2 Category 2 Issues Applicable to the Operation of the VYNPS Cooling
System During the Renewal Term
- 4-3 Percentages (and Numbers) of Fish Eggs and Larvae Entrained at VYNPS
- 4-4 Percentages (and Numbers) of Fish Species Impinged at VYNPS
- 4-5 Thermal Preferences and Tolerances of Warmwater Species That Occur
in the VYNPS Area
- 4-6 Category 1 Issues Applicable to the VYNPS Transmission Lines During
the Renewal Term
- 4-7 Category 2 and Uncategorized Issues Applicable to the VYNPS
Transmission Lines During the Renewal Term
- 4-8 Category 1 Issues Applicable to Radiological Impacts of Normal Operations
During the Renewal Term
- 4-9 Category 1 Issues Applicable to Socioeconomics During the Renewal Term
- 4-10 Environmental Justice and GEIS Category 2 Issues Applicable to
Socioeconomics During the Renewal Term
- 4-11 Category 1 Issue Applicable to Groundwater Use and Quality During
the Renewal Term
- 4-12 Category 2 Issue Applicable to Groundwater Use and Quality
During the Renewal Term
- 4-13 Category 2 Issue Applicable to Threatened or Endangered Species
During the Renewal Term
- 5-1 Category 1 Issue Applicable to Postulated Accidents During
the Renewal Term
- 5-2 Category 2 Issue Applicable to Postulated Accidents During
the Renewal Term
- 5-3 VYNPS Core Damage Frequency
- 5-4 Breakdown of Population Dose by Containment Release Mode
- 6-1 Category 1 Issues Applicable to the Uranium Fuel Cycle and Solid
Waste Management During the Renewal Term
- 7-1 Category 1 Issues Applicable to the Decommissioning of VYNPS
Following the Renewal Term
- 8-1 Summary of Environmental Impacts of the No-Action Alternative
- 8-2 Summary of Environmental Impacts of a Coal-Fired Plant Using Closed-Cycle
Cooling at an Alternate Site
- 8-3 Summary of Environmental Impacts of Coal-Fired Plant Generation
at an Alternate Site with Once-Through Cooling System
- 8-4 Summary of Environmental Impacts of a Natural-Gas-Fired Plant Using
Closed-Cycle Cooling at the VYNPS Site and at an Alternate Site
- 8-5 Summary of Environmental Impacts of Natural-Gas-Fired
Generation at an Alternate Site with Once-Through Cooling
- 8-6 Summary of Environmental Impacts of a New Nuclear Power Plant Using
Closed-Cycle Cooling at an Alternate Site
- 8-7 Summary of Environmental Impacts of a New Nuclear Power Plant Using
Once-Through Cooling
- 8-8 Summary of Environmental Impacts of Combination of Alternatives
at the VYNPS Site and at an Alternate Site
- 9-1 Summary of Environmental Significance of License Renewal, the
No-Action Alternative, and Alternative Power Generation Using
Closed-Cycle Cooling
- A-1 Individuals Providing Comments During Scoping Comment Period
- A-2 Comments Received on the Draft SEIS
- E-1 Consultation Correspondence
- E-2 Federal, State, Local, and Regional Licenses, Permits, Consultations,
and Other Approvals for Vermont Yankee Nuclear Power Station
- F-1 GEIS Environmental Issues Not Applicable to Vermont Yankee Nuclear
Power Station
- G-1 VYNPS Core Damage Frequency
- G-2 Breakdown of Population Dose by Containment Release Mode
- G-3 VYNPS PSA Historical Summary
- G-4 Dominant Contributors to Total Fire CDF at VYNPS
- G-5 SAMA Cost-Benefit Screening Analysis for VYNPS
- G-6 Uncertainty in the Calculated CDF for VYNPS
Publication Information
Manuscript Completed: August 2007
Date Published: August 2007
Division of License Renewal
Office of Nuclear Reactor Regulation
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
Availability Notice
Abstract
The U.S. Nuclear Regulatory Commission (NRC) considered the environmental impacts of
renewing nuclear power plant operating licenses (OLs) for a 20-year period in its Generic
Environmental Impact Statement for License Renewal of Nuclear Plants (GEIS), NUREG-1437,
Volumes 1 and 2, and codified the results in Title 10, Part 51, of the Code of Federal
Regulations (10 CFR Part 51). In the GEIS (and its Addendum 1), the NRC staff identifies
92 environmental issues and reaches generic conclusions related to environmental impacts for
69 of these issues that apply to all plants or to plants with specific design or site characteristics.
Additional plant-specific review is required for the remaining 23 issues. These plant-specific
reviews are to be included in a supplement to the GEIS.
This Supplemental Environmental Impact Statement (SEIS) has been prepared in response to
an application submitted to the NRC by Entergy Nuclear Vermont Yankee, LLC and Entergy
Nuclear Operations, Inc. (Entergy), to renew the OL for Vermont Yankee Nuclear Power Station
(VYNPS) for an additional 20 years under 10 CFR Part 54. This SEIS includes the NRC staff’s
analysis that considers and weighs the environmental impacts of the proposed action, the
environmental impacts of alternatives to the proposed action, and mitigation measures available
for reducing or avoiding adverse impacts. It also includes the NRC staff’s recommendation regarding the proposed action.
Regarding the 69 issues for which the GEIS reached generic conclusions, neither Entergy nor
the NRC staff has identified information that is both new and significant for any issue that
applies to VYNPS. In addition, the NRC staff determined that information provided during the
scoping process and the public comments on the draft SEIS did not call into question the
conclusions in the GEIS. Therefore, the NRC staff concludes that the impacts of renewing the
VYNPS OL would not be greater than the impacts identified for these issues in the GEIS. For
each of these issues, the NRC staff’s conclusion in the GEIS is that the impact is of SMALL(a)
significance (except for collective offsite radiological impacts from the fuel cycle and high-level
waste and spent fuel, which were not assigned a single significance level).
Regarding the remaining 23 issues, those that apply to VYNPS are addressed in this SEIS. For each applicable issue, the NRC staff concludes that the significance of the potential
environmental impacts of renewal of the OL is SMALL. The NRC staff also concludes that no
additional mitigation is warranted. However, under the provisions of the Clean Water Act 316(b)
regulations, the Vermont Department of Environmental Conservation may impose further restrictions or require modifications to the cooling system to reduce the impacts on aquatic resources from entrainment and impingement under the National Pollutant Discharge
Elimination System permitting process. The NRC staff determined that information provided
during the scoping process and the public comments on the draft SEIS did not identify any new
issue that has a significant environmental impact.
The NRC staff’s recommendation is that the Commission determine that the adverse
environmental impacts of license renewal for VYNPS are not so great that preserving the option
of license renewal for energy-planning decisionmakers would be unreasonable. This
recommendation is based on (1) the analysis and findings in the GEIS; (2) the Environmental
Report submitted by Entergy; (3) consultation with Federal, State, and local agencies; (4) the
NRC staff’s own independent review; and (5) the NRC staff’s consideration of public comments received during the scoping process and the draft SEIS public comment period.
Paperwork Reduction Act Statement
This NUREG contains information collection requirements that are subject to the Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). These information collections were approved
by the Office of Management and Budget, approval numbers 3150-0004; 3150-0155; 3150-
0014; 3150-0011; 3150-0132; 3150-0151.
Public Protection Notification
The NRC may not conduct or sponsor, and a person is not required to respond to, a request for
information or an information collection requirement unless the requesting document displays a
currently valid OMB control number.
(a) Environmental effects are not detectable or are so minor that they will neither destabilize nor
noticeably alter any important attribute of the resource.
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