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          NRC Library  Document Collections  NUREG-Series Publications  Publications Prepared by NRC StaffToxic Vapor Concentrations in the Control Room Following a Postulated Accidental Release (NUREG-0570)

On this page: Publication Information AbstractDownload complete document NUREG-0570 (PDF – 1.18 MB) Toxic Vapor Concentrations in the Control Room Following a Postulated Accidental Release – re: Potential Error in Equation 2.2-1Publication Information **Manuscript Completed:** May 1979**Date Published:** June 1979 **Prepared by:**James Wing Division of Site Safety and Environmental Analysis Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Abstract The report presents an acceptable method for calculating the vapor concentrations in a control room as a function of time after a postulated accidental release. Included are the mathematical formulas for computing the rates of vaporization and evaporation of liquid spills, the vapor dispersion in air, and the control room air exchange. A list of toxic chemicals and their physical properties is also given. 
      
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