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Data

Waste Package Neutron Absorber, Thermal Shunt, and Fill Gas Selection Report

Author(s)

CRWMS M&O

Publication Date

January 1, 2000

Materials for neutron absorber, thermal shunt, and fill gas for use in the waste package were selected using a qualitative approach. For each component, selection criteria were identified; candidate materials were selected; and candidates were evaluated against these criteria. The neutron absorber materials evaluated were essentially boron-containing stainless steels. Two candidates were evaluated for the thermal shunt material. The fill gas candidates were common gases such as helium, argon, nitrogen, carbon dioxide, and dry air.

Data

Geochemistry Model Validation Report: Material Degradation and Release Model

Author(s)

Sandia National Laboratories

Publication Date

September 1, 2007

The purpose of the material degradation and release (MDR) model is to predict the fate of the waste package materials, specifically the retention or mobilization of the radionuclides and the neutron-absorbing material as a function of time after the breach of a waste package during the 10,000 years after repository closure. The output of this model is used directly to assess the potential for a criticality event inside the waste package due to the retention of the radionuclides combined with a loss of the neutron-absorbing material.

yucca mountain criticality analysis neutron absorbers postclosure materials analysis radionuclide transport neutron transport

Data

EQ6 calculations for Chemical Degradation of Navy Waste Packages

Author(s)

OCRWM

Publication Date

December 1, 1999

The Monitored Geologic Repository Waste Package Operations of the Civilian Radioactive Waste Management System Management & Operating Contractor (CRWMS M&O) performed calculations to provide input for disposal of spent nuclear fuel (SNF) from the Navy (Refs. 1 and , 2). The Navy SNF has been considered for disposal at the potential Yucca Mountain site. For some waste packages, the containment may breach (Ref. 3), allowing the influx of water. Water in the waste package may moderate neutrons, increasing the likelihood of a criticality event within the waste package.

criticality yucca mountain neutron absorbers monitored geologic repository naval spent nuclear fuel waste package degradation corrosion geochemical analysis flooding cal-edc-md-000007

General Reports, Various Sources, NUREGs, etc

Topical Report on Actinide-Only Burnup Credit for PWR Spent Nuclear Fuel Packages

Author(s)

DOE

Publication Date

April 1, 1997

A methodology for performing and applying nuclear criticality safety calculations, for PWR spent nuclear fuel (SNF) packages with actinide-only burnup credit, is described. The changes in the U-234, U-235, U-236, U-238, Pu-238, Pu-239, Pu-240, Pu-241, Pu-242, and Am-241 concentration with burnup are used in burnup credit criticality analyses. No credit for fission product neutron absorbers is taken. The methodology consists of five major steps. (1) Validate a computer code system to calculate isotopic concentrations of SNF created during burnup in the reactor core and subsequent decay.

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General Reports, Various Sources, NUREGs, etc

Topical Report on Actinide-Only Burnup Credit for PWR Spent Nuclear Fuel Packages

Author(s)

Office of Civilian Radioactive Waste Management

Publication Date

April 1, 1997

criticality spent fuel fission products cross-section data benchmark safety code cooling time decay design multiplication factors neutron absorbers reactor cores nuclear fuel burnup nuclear fuel cycle used fuel

Data

EQ6 Calculation for Chemical Degradation of Shippingport PWR (HEU Oxide) Spent Nuclear Fuel Waste Packages

Author(s)

OCRWM

Publication Date

December 1, 1999

The Monitored Geologic Repository (MGR) Waste Package Operations (WPO) of the Civilian Radioactive Waste Management System Management & Operating Contractor (CRWMS M&O) performed calculations to provide input for disposal of spent nuclear fuel (SNF) from the Shippingport Pressurized Water Reactor (PWR) (Ref. 1). The Shippingport PWR SNF has been considered for disposal at the proposed Yucca Mountain site.

criticality yucca mountain heu neutron absorbers monitored geologic repository storage waste package design waste package degradation shippingport corrosion chemical analysis cal-edc-md-000002

Presentation

slides - Management of Spent Fuel Pool Neutron Absorbing Material Degradation

Author(s)

Wong, E.

Publication Date

May 1, 2013

Presented at the NEI Used Fuel Management Conference, St. Petersburg, FL, May 7-9, 2013

spent fuel pool neutron absorbers slides nei used fuel management meeting material degradation

Data

EQ6 Calculation for Chemical Degradation of Enrico Fermi Codisposal Waste Packages: Effects of Updated Design and Rates

Author(s)

OCRWM

Publication Date

December 1, 2001

The Monitored Geologic Repository (MGR) Waste Package Project of the BSC Management and Operating Contractor for the Department of Energy's Office of Civilian Radioactive Waste Management performed calculations to provide input for disposal of spent nuclear fuel (SNF) from the Enrico Fermi Reactor owned by the DOE (Ref. 9). The Fermi SNF has been considered for disposal at the proposed Yucca Mountain site.

yucca mountain neutron absorbers monitored geologic repository storage co-disposal waste package high level waste glass fermi waste package degradation corrosion flooding cal-edc-md-000015

Data

EQ6 Calculations for Chemical Degradation of TRIGA Codisposal Waste PacKages

Author(s)

OCRWM

Publication Date

November 1, 1999

The Monitored Geologic Repository Waste Package Operations of the Civilian Radioactive Waste Management System Management & Operating Contractor (CRWMS M&O) performed calculations to provide input for disposal of spent nuclear fuel (SNF) from the Training, Research, Isotopes, General Atomics (TRIGA) reactor (Ref. 1). The TRIGA SNF has been considered for disposal at the potential Yucca Mountain site.

criticality yucca mountain neutron absorbers monitored geologic repository storage high level waste glass triga waste package design corrosion geochemical analysis cal-edc-md-000001

Data

EQ6 Calculation for Chemical Degradation of Shippingport LWBR (Th/U Oxide) Spent Nuclear Fuel Waste Packages

Author(s)

OCRWM

Publication Date

September 1, 2000

The Monitored Geologic Repository (MGR) Waste Package Department of the Civilian Radioactive Waste Management System Management & Operating contractor (CRWMS M&O) performed calculations to provide input for disposal of spent nuclear fuel (SNF) from the Shippingport Light Water Breeder Reactor (LWBR) (Ref. 1). The Shippingport LWBR SNF has been considered for disposal at the potential Yucca Mountain site.

criticality yucca mountain neutron absorbers monitored geologic repository storage high level waste glass waste package degradation shippingport corrosion geochemical analysis lwbr snf flooding cal-edc-md-000008 thorium

General Reports, Various Sources, NUREGs, etc

Stakeholder Involvement in Decision Making: A Short Guide to Issues, Approaches and Resources

Author(s)

OECD NEA

Publication Date

January 1, 2015

Radioactive waste management is embedded in broader societal issues such as the
environment, risk management, energy, health policy and sustainability. In all
these fields, there is an increasing demand for public involvement, participation
and engagement. Involvement may take different forms at different phases and
can include sharing information, consulting, dialoguing or deliberating on
decisions with relevant stakeholders. Stakeholder involvement should be seen as a

decision making stakeholder involvement

SED Publication Type

Document

WP 2 Appendix 10 Balance of Power: Principles and Good Practices for Local Stakeholders to Influence National Decision-making Processes

Author

COWAM

Publication Date

February 1, 2006

Our basic position is that the outcomes of policy-making in radioactive waste management (RWM) should be driven by the will of the people through democratic processes. Achieving this inclusiveness requires good practices to increase local influence on what is essentially a national policy process. However inclusiveness poses significant practical problems; can society afford lengthy and costly consultation processes, often perceived as inefficient and ineffective?

siting stakeholders decision making cowam public policy

SED Publication Type

Document

Stakeholder Involvement and Confidence in the Process of Decision-making for the Disposal of Spent Nuclear Fuel in Finland

Author

NEA

Publication Date

February 1, 2002

spent fuel siting decision making finland nea/rwm/fsc(2002)1 used fuel

SED Publication Type

Document

CORWM’S ADVICE TO GOVERNMENT ON OPTIONS FOR THE ACCELERATION OF THE IMPLEMENTATION OF GEOLOGICAL DISPOSAL

Author

CoRWM

Publication Date

July 1, 2012

This paper is a response to a request from the Department of Energy and Climate Change (DECC) for CoRWM’s advice on the 2011 review of options for accelerating the geological disposal programme carried out by the Radioactive Waste Management Directorate (RWMD) of the Nuclear Decommissioning Authority (NDA).

repository radioactive waste siting united kingdom acceleration disposal concepts decision making clinton

SED Publication Type

Document

WP 3 Quality of decision-making process Proposed Framework for Decision-making Processes

Author

COWAM

Publication Date

July 1, 2005

The long-term governance of radioactive waste is complex socio-technical issue. The disposition of radioactive waste is decided on ethical grounds, having to take into account a variety of other dimensions (society, economy, ecology, politics, time, space, and technology). Thereto, a study of variants is required. Decision theory, in principle, takes diverse options as a starting point begin as the basis of a decision.

radioactive waste waste management siting decision making cowam wp 3

SED Publication Type

Document

WP 2 Appendix 8 Mechanisms for Local Influence on National Decision Making Processes in Radioactive Waste Management

Author

COWAM

Publication Date

January 1, 2005

This document develops further the questions offered to stakeholders in the Berlin Meeting (see Appendix). It describes mechanisms that local stakeholders can use to influence national decision-making processes in radioactive waste management.

radioactive waste waste management siting decision making berlin

SED Publication Type

Document

WP 2 Appendix 9 Principles and Good Practices for Local Actors to Influence National Decision-Making Processes

Author

COWAM

Publication Date

September 1, 2005

The outcomes of policy-making in radioactive waste management (RWM) should be driven by the will of the people through democratic processes. Achieving this inclusiveness requires good practices to increase local influence on what is essentially a national policy process. However inclusiveness poses significant practical problems; can society afford lengthy and costly consultation processes, often perceived as inefficient and ineffective?

siting decision making cowam local communities ngo

SED Publication Type

Document

Final Report: Influence of Local Actors on National Decision-making Processes WP2

Author

COWAM

Publication Date

December 1, 2006

Work Package 2 (WP2) focused on the ways in which local stakeholders can influence national decision-making processes on radioactive waste management (RWM). The participants in WP2 were particularly interested in examining how local stakeholders could contribute to national debates. Their interest stemmed from the fact that participants from France, Spain and the United Kingdom — who made up the majority of the WP2 group — were engaged, as stakeholders, in the decision-making processes that were under way in each of those countries.

public perception waste management siting decision making local impact

SED Publication Type

Document

Identifying remaining socio-technical challenges at the national level: Hungary

Author

Anna Vari ,

Zoltan Ferencz

Publication Date

May 1, 2012

This paper summarises the history of RWM in Hungary, with a special attention to changing decision making approaches, social conflicts, and socio-technical challenges. First the institutional background of RWM is outlined. Next, efforts to build facilities for the management of low- and intermediatelevel waste (L/ILRW) and high-level waste (HLW) are summarized. This is followed by the short description of remaining socio-technical challenges. Finally, changes in decision-making approaches and tools are analysed.

public perception waste management siting decision making hungary wp 1 ms 8

SED Publication Type

Document

Quality of Decision-making Processes: Decision-making processes in Radioactive Waste Governance - Insights and Recommendations WP3

Author

COWAM

Publication Date

February 1, 2007

Work Package 3 (WP 3) set out to provide practical recommendations for the design and implementation of a “robust” decision-making process (DMP) in radioactive waste governance/governance of radioactive waste management (RWG).

radioactive waste waste management siting stakeholders decision making

SED Publication Type

Document

Structuring local communities and development of local democracy for engagement in Radioactive Waste Management governance

Author

COWAM ,

Claire Mays

Publication Date

January 1, 2010

radioactive waste waste management siting decision making community interaction d2-5 / c fp6/036455

SED Publication Type

Document

The "COWAM SPAIN" Initiative and the Current Project Under Consideration for a National Interim Storage Facility for Spent Fuel and High Level Waste

Author

NEA

Publication Date

December 1, 2006

high level waste spent fuel siting interim storage decision making spain nea/rwm/fsc(2006)7 used fuel

SED Publication Type

Document

Stepwise Approach to the Long-Term Management of Radioactive Waste

Author

Nuclear Energy Agency Forum on Stakeholder Confidence

Publication Date

September 1, 2008

A summary of the view of the Nuclear Energy Agency Forum on Stakeholder Confidence with regard to stepwise decision making in the context of long-term management of radioactive waste.

decision making decision path

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