Document: NUREG-1555
Document ID: a43fee0d-ad03-4f3c-97d8-e21705b04eac
Document Type: esrp
Title: METEOROLOGY AND AIR QUALITY
Source: NUREG-1555
Source URL: https://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1555/initial/
Revision Date: 2007-10
Chapter: 2
Section ID: 2.7
CFR Part: 
CFR Title: 

Content:
` ESRP 5.4.1—the locations of the nearest receptors (cow, goat, vegetable garden, residence, and site boundary) in each 22½q sector. (2) Compare the atmospheric transport and diffusion models used by the applicant for calculations of χ/Q and D/Q to transport and diffusion modeling concepts (as described in Regulatory Guide 1.111) applicable to local topographic and meteorological characteristics and to the type and mode of release appropriate to the plant. (3) Examine atmospheric transport and diffusion parameters for applicability to local topographic and meteorological characteristics by considering the experimental bases for these parameters with respect to the local conditions. NUREG-1555 2.7-10 October 1999 (4) Compare the meteorological data provided by the applicant for use in the atmospheric transport and diffusion modes for compatibility with the models used and verify the completeness and adequacy of the description of local atmospheric transport and diffusion characteristics (as discussed in Regulatory Guides 1.23 and 1.111). ` Evaluate the meteorological data for appropriateness of heights of measurement of wind speed, wind direction, and atmospheric stability. - Winds measured at the 10-m level and temperature difference measurements (as an indicator of atmospheric stability) between the 10-m level and height of the building or vent are acceptable for consideration of ground-level releases. - For releases considered elevated, (1) winds reasonably representative of conditions at the height of release, and (2) temperature difference measurements reasonably representative of the atmospheric layer, into which the effluent will be released, are acceptable. ` Examine mixing height data for considerations of restrictions to the vertical spread of the effluent. ` Examine precipitation data for considerations of the effects of washout on estimates of atmospheric transport, diffusion, and deposition. (5) Evaluate estimates of relative concentration