Screen3 - Screen3Tutorial ClicktoeditMastersubtitlestyle

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Click to edit Master subtitle style Screen 3 Tutorial ENV 6146:Atmospheric Dispersion  Modeling March, 2010 Presented by: Adeeba Abdul Raheem
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Web resources to download SCREEN3 and  Modeling Guides: EPA (Dos based program): Http://www.Epa.Gov/ttn/scram/dispersion_screening.Htm User friendly interface: Http://www.Weblakes.Com/products/screen/index.Html http:// www.valleyair.org/busind/pto/tox_resources/ / http:// www.epa.gov/ttn/scram/userg/screen/screen3d B:Guidance for Air  Dispersion Modeling A: Software http://www.colorado.gov/airquality/permits/sc
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outline Introduction Overview of SCREEN3 Getting started Input data Different interfaces Model description Examples
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SCREEN3 is a steady-state Gaussian plume  model which uses worst-case meteorological  data to predict ambient pollutant concentrations  resulting from single continuous emission  sources
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SCREEN3 is the current regulatory screening  model for air permitting applications.   The original SCREEN model was released by  EPA in 1988 Based on the same steady-state Gaussian  plume algorithms as ISC3
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SCREEN3 can perform all the single source short-term  calculations including: Estimating max. ground-level concentrations  Incorporating the effects of building downwash  Estimating concentrations in the cavity recirculation  zone. Estimating concentrations due to inversion break-up  and shoreline fumigation.
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Spatial and temporal scales of widely used ai http://www.epa.gov/ttn/fera/data/risk/vol_1/chapter_09.pdf
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Convert all lengths and distances to meters t Convert temperatures to degrees Kelvin t Identify building contributions to air dispersion (stack emissions)
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Screen3 - Screen3Tutorial ClicktoeditMastersubtitlestyle

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