Worcester Polytechnic Institute Electronic Theses and Dissertations Collection

Title page for ETD etd-111099-165408


Document Typethesis
Author NameBorrelli, Robert Angelo
URNetd-111099-165408
TitleCharacterization of Radioactivity in the Environment
DegreeMS
DepartmentCivil & Environmental Engineering
Advisors
  • Dr. James O'Shaughnessy, Advisor
  • James B. Muckerheide, Co-Advisor
  • Dr. Frederick L. Hart, Department Head
  • Keywords
  • environment
  • quantification of radionuclides
  • radioactivity
  • Date of Presentation/Defense1999-05-04
    Availability unrestricted

    Abstract

    Ionizing radiation is produced as the result of the decay of an unstable nucleus. The standard measure of radioactivity is quantified according to the rate of disintegration of the unstable nucleus. This method of quantification does not incorporate the total amount of ionizing radiation that is associated with each disintegration of the radionuclide. The ionizing radiation that is produced as a result of decay is specific to a given radionuclide. A radionuclide can be conceptualized as a source of ionizing radiation. Disintegration of the unstable nucleus will therefore result in the continual release of ionizing radiation throughout the fixed existence of the radionuclide.

    This thesis will present a reasonable and practical adjustment to the current mechanism regarding the quantification of radionuclides. This adjustment will provide a basis to which the specific decay attributes of radionuclides can be normalized. Such a normalization will allow for direct comparisons among important inventories of radionuclides. This adjustment will be used to formulate a characterization of common radionuclides that exist in the environment. Such a characterization can provide a control inventory of ionizing radiation to which more specific systems of radionuclides can be compared.

    Files
  • borrelli.pdf

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