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Distillieries - Environmental Clearance

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MODEL APPLICATION REMARKS REMARKS FORDISTILLERY PLANTSAPPLICATIONSCTDM PLUS(ComplexTerrainDispersionModel)UAM (UrbanAirshedModel)RAM (RuralAirshedModel)CRESTERPoint source steady statemodel, can estimatehrly averageconcentration in isolatedhills/ array of hills3-D grid type numericalsimulation modelComputes O 3concentration short termepisodic conditionslasting for 1 or 2 daysresulting from NOx andVOCsAppropriate for singleurban area havingsignificant O 3 problemsSteady state Gaussianplume model forcomputing concentrationof relatively stablepollutants for 1 hr to 1day averaging timeApplication for pointand area sources in ruraland urban settingApplicable for singlepoint source either inrural or urban settingComputes highest andsecond highestconcentration for 1hr,3hr, 24hr and annualaveraging timesTabulates 50 highestconcentration for entireyear for each averagingtimesCan take maximum 40Stacks and computesconcentration at maximum400 receptorsDoes not simulate calm metconditionsHill slopes are assumed notto exceed 15 degreesRequires sources, met andterrain characteristics andreceptor detailsSuitable for flat terrainsTransport distance less than50 km.Can take up to 19 Stackssimultaneously at acommon site.Unsuitable for cool andhigh velocity emissionsDo not account for tallbuildings or topographicfeaturesComputes concentration at180 receptor, circular wingat five downwind ringdistance 36 radialsiii

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