Evaluating the Dose Consequences of Progeny Ingrowth and Decay During Transport in the Environment - Counting Atoms

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The evaluation of a release of radioactive material to the environment is a complex problem. The evaluation of the dose consequences from such a release adds issues that must be considered in order to determine the actual radiation dose to an individual. One of the key issues is the ingrowth of the progeny from the initial inventory during the transport through the environment. The evaluation of an acute release from a criticality accident and a chronic release of transuranics to the soil are the two extremes that demonstrate the spectrum of issues that must be addressed in order to determine ... continued below

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Schrader, Bradley J & Wenzel, D. R. April 1, 2002.

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The evaluation of a release of radioactive material to the environment is a complex problem. The evaluation of the dose consequences from such a release adds issues that must be considered in order to determine the actual radiation dose to an individual. One of the key issues is the ingrowth of the progeny from the initial inventory during the transport through the environment. The evaluation of an acute release from a criticality accident and a chronic release of transuranics to the soil are the two extremes that demonstrate the spectrum of issues that must be addressed in order to determine the dose to a receptor at some distance and time from the release point. The evaluation of this can be accomplished by integration of the buildup and decay differential equations. The differential equations are difficult to evaluate for a source term that contains numerous short-lived radionuclides in decay chains. The evaluation is simplified by a method of evaluation called "counting atom". The source term is evaluated on an atom basis during production and transport. The life cycle of the atoms of each radionuclide are evaluated individually from the generation during a criticality event and during transport through the facility and environment to the downwind receptor.

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  • 12th Biennial Radiation Protection Shielding Division Conference of the ANS,Santa Fe, NM,04/14/2002,04/17/2002

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  • Report No.: INEEL/CON-02-00430
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 911314
  • Archival Resource Key: ark:/67531/metadc888979

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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.

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  • April 1, 2002

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 15, 2016, 3:02 p.m.

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Schrader, Bradley J & Wenzel, D. R. Evaluating the Dose Consequences of Progeny Ingrowth and Decay During Transport in the Environment - Counting Atoms, article, April 1, 2002; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc888979/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.