Document: NRC Regulatory Guide
Document ID: d1045e85-64b0-4a83-8450-067a4fcd130f
Document Type: regulatory_guide
Title: Atmospheric Dispersion Models for Potential Accident Consequence Assessments at Nuclear Power Plants + HISTORY –HISTORY 04/2014 – Periodic Review of Revision 1 – Reviewed with issues for future consideration 02/1983 – Reissued 02/1983 to correct page 1.145-7 (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740205.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.145
CFR Part: 
CFR Title: 

Content:
f plume travel distance for G stability condition using Equations 1, 2, and 3 (M = 6). 1.145-11 10 1 0 0*0 10 =q. 0.1 1.0 10 PLUME TRAVEL DISTANCE (km) Figure A-2. xU10/Q as a function of plume travel distance for G stability condition using Equations 1, 2, and 3 (M = 3). 1.145-12 102 4 I 10-5 ; i Eq. 3 (M=2) 0.1 1.0 10 PLUME TRAVEL DISTANCE (km) Figure A-3. xU1j/Q as a function of plume travel distance for G stability condition using Equations 1, 2, and 3 (M = 2). 1.145-13 REFERENCES 1. I. Van der Hoven, "A Survey of Field Measurements of Atmospheric Diffusion Under Low-Wind Speed Inversion Conditions," Nuclear Safety, Vol. 17, No.4, March-April 1976. 2. G. E. Start et al., "Rancho Seco Building Wake Effects on Atmospheric Diffusion," NOAA Technical Memorandum ERL ARL-69, Air Resources Labora- tory, Idaho Falls, Idaho, November 1977. Available from Publication Services, Environmental Research Laboratories, National Oceanic and Atmospheric Administration, Boulder, Colorado 80302. 3. R. B. Wilson et al., "Diffusion Under Low Windspeed Conditions Near Oak Ridge, Tennessee," NOAA Technical Memorandum ERL ARL-6 1, Air Resources Laboratory, Idaho Falls, Idaho, 1976. Available from Publication Services, Environmental Research Labora- tories, National Oceanic and Atmospheric Administra- tion, Boulder, Colorado 80302. 4. J. E. Sagendorf and C. R. Dickson, "Diffusion Under Low Windspeed, Inversion Conditions," NOAA Technical Memorandum ERL ARL-52, Air Resources Laboratory, Idaho Falls, Idaho, 1974. Available from Publication Services, Environmental Research Labora- tories, National Oceanic and Atmospheric Administra- tion, Boulder, Colorado 80302. 5. Gulf States Utilities Company, "Dispersion of Tracer Gas at the Proposed River Bend Nuclear Power Station," Preliminary Safety Analysis Report, Amend- ment 24, Docket Numbers 50-458 and 50459, 1974. 6. Metropolitan Edison Company, "Atmospheric Diffu- sion Experiments with SF Tracer Gas at Three Mie Island Nuclear Station Under