Environmental Protection Department Operations and Regulatory Affairs Division LLNL NESHAPs 2005 Annual Report

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This annual report is prepared pursuant to the National Emission Standards for Hazardous Air Pollutants (NESHAPs; Title 40 Code of Federal Regulations [CFR] Part 61, Subpart H). Subpart H governs radionuclide emissions to air from Department of Energy (DOE) facilities. NESHAPs limits the emission of radionuclides to the ambient air from DOE facilities to levels resulting in an annual effective dose equivalent (EDE) of 10 mrem (100 {micro}Sv) to any member of the public. The EDEs for the Lawrence Livermore National Laboratory (LLNL) site-wide maximally exposed members of the public from operations in 2005 are summarized here. Livermore site: 0.0065 ... continued below

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PDF-file: 46 pages; size: 2.1 Mbytes

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Larson, J; Peterson, S R; Wilson, K; Bowen, B; MacQueen, D & Wegrecki, A June 19, 2006.

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Description

This annual report is prepared pursuant to the National Emission Standards for Hazardous Air Pollutants (NESHAPs; Title 40 Code of Federal Regulations [CFR] Part 61, Subpart H). Subpart H governs radionuclide emissions to air from Department of Energy (DOE) facilities. NESHAPs limits the emission of radionuclides to the ambient air from DOE facilities to levels resulting in an annual effective dose equivalent (EDE) of 10 mrem (100 {micro}Sv) to any member of the public. The EDEs for the Lawrence Livermore National Laboratory (LLNL) site-wide maximally exposed members of the public from operations in 2005 are summarized here. Livermore site: 0.0065 mrem (0.065 {micro}Sv) (41% from point source emissions, 59% from diffuse source emissions). The point source emissions include gaseous tritium modeled as tritiated water vapor as directed by EPA Region IX; the resulting dose is used for compliance purposes. Site 300: 0.018 mrem (0.18 {micro}Sv) (48% from point source emissions, 52% from diffuse source emissions). The EDEs were calculated using the EPA-approved CAP88-PC air dispersion/dose-assessment model, except for doses for two diffuse sources that were estimated using measured radionuclide concentrations and dose coefficients. Specific inputs to CAP88-PC for the modeled sources included site-specific meteorological data and source emissions data, the latter variously based on continuous stack effluent monitoring data, stack flow or other release-rate information, ambient air monitoring data, and facility knowledge.

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PDF-file: 46 pages; size: 2.1 Mbytes

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  • Report No.: UCRL-TR-113867-06
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/898472 | External Link
  • Office of Scientific & Technical Information Report Number: 898472
  • Archival Resource Key: ark:/67531/metadc880443

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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.

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  • June 19, 2006

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 9, 2016, 8 p.m.

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Larson, J; Peterson, S R; Wilson, K; Bowen, B; MacQueen, D & Wegrecki, A. Environmental Protection Department Operations and Regulatory Affairs Division LLNL NESHAPs 2005 Annual Report, report, June 19, 2006; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc880443/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.