Effect of uranium solubility on release rates from the proposed Yucca Mountain repository.

PDF Version Also Available for Download.

Description

The sensitivity of the release of radionuclides from the engineered barrier system in the proposed Yucca Mountain Repository to the solubility of uranium is investigated. Factors ranging from 0.1 up to 100 were applied to the nominal uranium solubility assumed in one of the TSPA models used in support of the site recommendation for the repository. At times earlier than about 50,000 years, the release rate of uranium is proportional to the change in the solubility. By 100,000 years, the proportionality continues to hold when the solubility is reduced, but when the solubility is increased, the release rate changes by ... continued below

Physical Description

8 pages

Creation Information

Morris, E. E.; Fanning, T. H. & Wigeland, R. A. June 26, 2002.

Context

This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

Who

People and organizations associated with either the creation of this article or its content.

Sponsor

Publisher

Provided By

UNT Libraries Government Documents Department

Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.

Contact Us

What

Descriptive information to help identify this article. Follow the links below to find similar items on the Digital Library.

Description

The sensitivity of the release of radionuclides from the engineered barrier system in the proposed Yucca Mountain Repository to the solubility of uranium is investigated. Factors ranging from 0.1 up to 100 were applied to the nominal uranium solubility assumed in one of the TSPA models used in support of the site recommendation for the repository. At times earlier than about 50,000 years, the release rate of uranium is proportional to the change in the solubility. By 100,000 years, the proportionality continues to hold when the solubility is reduced, but when the solubility is increased, the release rate changes by a factor less than the factor applied to the solubility. At times beyond about 300,000 years, when the solubility is varied from 0.1 to 100 times its nominal value, the release rate changes by less than a factor of 20. Over the same range of changes in the uranium solubility, changes in the release rates of uranium decay products are less than a factor of three. Because uranium and its decay products make relatively small contributions to the dose rate, the changes in the dose rate at a well located 20 km from the repository are estimated to be less than 20%.

Physical Description

8 pages

Source

  • ANS 5th Topical Meeting on Spent Nuclear Fuel and Fissile Material, Charleston, SC (US), 09/17/2002--09/20/2002

Language

Item Type

Identifier

Unique identifying numbers for this article in the Digital Library or other systems.

  • Report No.: ANL/RAE/CP-106524
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 801633
  • Archival Resource Key: ark:/67531/metadc739676

Collections

This article is part of the following collection of related materials.

Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

What responsibilities do I have when using this article?

When

Dates and time periods associated with this article.

Creation Date

  • June 26, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

Description Last Updated

  • March 29, 2016, 4:43 p.m.

Usage Statistics

When was this article last used?

Yesterday: 0
Past 30 days: 0
Total Uses: 2

Interact With This Article

Here are some suggestions for what to do next.

Start Reading

PDF Version Also Available for Download.

Citations, Rights, Re-Use

Morris, E. E.; Fanning, T. H. & Wigeland, R. A. Effect of uranium solubility on release rates from the proposed Yucca Mountain repository., article, June 26, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc739676/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.