Assessment of the 3430 Building Filtered Exhaust Stack Sampling Probe Location

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Pacific Northwest National Laboratory performed a demonstration to determine the acceptable location in which to place an air sampling probe for emissions monitoring for radionuclides in the exhaust air discharge from the new 3430 Building Filtered Exhaust Stack. The method was to adopt the results of a previously performed test series for a system of similar configuration, followed by a partial test on the actual system to verify the applicability of previously performed tests. The qualification criteria included 1) a uniform air velocity, 2) an average flow angle that does not deviate from the axis of the duct by more ... continued below

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Glissmeyer, John A. & Flaherty, Julia E. July 16, 2010.

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Pacific Northwest National Laboratory performed a demonstration to determine the acceptable location in which to place an air sampling probe for emissions monitoring for radionuclides in the exhaust air discharge from the new 3430 Building Filtered Exhaust Stack. The method was to adopt the results of a previously performed test series for a system of similar configuration, followed by a partial test on the actual system to verify the applicability of previously performed tests. The qualification criteria included 1) a uniform air velocity, 2) an average flow angle that does not deviate from the axis of the duct by more than 20°, 3) a uniform concentration of tracer gases, and 4) a uniform concentration of tracer particles. Section 1 provides background information for the demonstration, and Section 2 describes the test strategy, including the criteria for the applicability of model results and the test matrix. Section 3 describes the flow -angle test and the velocity uniformity test, Section 4 provides the test results, and Section 5 provides the conclusions. Appendix A includes the test data sheets, and Appendix B gives applicable qualification results from the previously tested model stack. The data from the previously tested and similarly designed stack was demonstrated to be applicable to the current design for the 3430 Building Filtered Exhaust Stack. The 3430 stack was tested in both January and May of 2010 to document the results of several changes that were made to the exhaust system after the January tests. The 3430 stack meets the qualification criteria given in the American National Standards Institute/Health Physics Society N13.1 standard. Changes to the system configuration or operations outside of the bounds of this report (e.g., exhaust velocity increases, relocation of sample probe) will require retesting/reevaluation to determine compliancewith the requirements.

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  • Report No.: PNNL-19262 Rev. 1
  • Report No.: RPT-STMON-002, Rev. 1
  • Grant Number: AC05-76RL01830
  • DOI: 10.2172/1018163 | External Link
  • Office of Scientific & Technical Information Report Number: 1018163
  • Archival Resource Key: ark:/67531/metadc835693

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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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  • July 16, 2010

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Dec. 2, 2016, 8:21 p.m.

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Glissmeyer, John A. & Flaherty, Julia E. Assessment of the 3430 Building Filtered Exhaust Stack Sampling Probe Location, report, July 16, 2010; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc835693/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.