LLNL NESHAPs 2009 Annual Report
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Lawrence Livermore National Security, LLC operates facilities at Lawrence Livermore National Laboratory (LLNL) where radionuclides are handled and stored. These facilities are subject to the U.S. Environmental Protection Agency (EPA) National Emission Standards for Hazardous Air Pollutants (NESHAPs) in Code of Federal Regulations (CFR) Title 40, Part 61, Subpart H, which regulates radionuclide emissions to air from Department of Energy (DOE) facilities. Specifically, NESHAPs limits the emission of radionuclides to the ambient air to levels resulting in an annual effective dose equivalent of 10 mrem (100 μSv) to any member of the public. Using measured and calculated emissions, and building-specific and common parameters, LLNL personnel applied the EPA-approved computer code, CAP88-PC, Version 1.0, to calculate the dose to the maximally exposed individual for the Livermore site and Site 300. The dose for the LLNL site-wide maximally exposed members of the public from operations in 2009 are summarized here: Livermore site: 0.0042 mrem (0.042 μSv) (36% from point source emissions, 64% 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: 2.7 × 10-7 mrem (2.7 × 10-6 μSv) (100% from point source emissions).
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-48; AC52-07NA27344
- OSTI ID:
- 1124835
- Report Number(s):
- UCRL-TR-113867-10
- Country of Publication:
- United States
- Language:
- English
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