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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.

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

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

SED Publication Type

Document

Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management, National Report of the Commonwealth of Australia

Author

Commonwealth of Australia

Publication Date

October 1, 2011

This is the fourth National Report by Australia.1 The 2008 National Report and Australia’s presentation to the Third Review Meeting in 2009 highlighted the following major issues:
• progress on national uniformity;
• progress with development of a national waste classification scheme;
• radioactive waste management policy – achievements, consultation, strategy;
• spent fuel management and management of reprocessing waste;
• decommissioning;
• uranium mining waste management; and
• recruitment and skills management.

siting national report joint convention spent fuel management australia radioactive waste management

SED Publication Type

Document

Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management, National Report from the Commonwealth of Australia, October 2008

Author

Australian Government

Publication Date

October 1, 2008

This is the third National Report by Australia1. The 2005 National Report and Australia’s presentation to the Second Review Meeting in 2006 highlighted issues as to how each of the nine Australian jurisdictions within Australia’s federal system are complying with the Joint Convention. A challenge identified for Australia in the Rapporteur’s Report for Country Group 3 was “ensuring a coherent approach to regulations and waste management practice in view of the complex nature of national and regional legislation”.

siting national report joint convention spent fuel management australia radioactive waste management

SED Publication Type

Document

Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management, Australian National Report, October 2005

Author

Australian Radiation Protection and Nuclear Safety Agency

Publication Date

October 1, 2005

The responsibility for the governance of Australia is shared by the Australian government and the governments of the six states and two self governing territories. Responsibility for radiation health and safety in each State and Territory rests with the respective State/Territory government, unless the activity is carried out by an Australian government agency or a contractor to a Australian government agency; in those cases the activity is regulated by the Australian government.

siting national report joint convention spent fuel management australia radioactive waste management

SED Publication Type

Document

Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management, Australian National Report, July 2003

Author

Australian Radiation Protection and Nuclear Safety Agency

Publication Date

July 1, 2003

The responsibility for the governance of Australia is shared by Australia's federal government (also known as the Commonwealth government) and the governments of the six states and two self governing territories. Responsibility for radiation health and safety in each State and Territory rests with the respective State/Territory government, unless the activity is carried out by a Commonwealth agency or a contractor to a Commonwealth agency; in those cases the activity is regulated by the Federal government (Commonwealth government of Australia).

siting national report joint convention spent fuel management australia radioactive waste management

SED Publication Type