Abstract

There was demonstrated that conception on layered atmospheric structure, conditioned by physical properties difference, postulated in AUSD-86 (All-Union Standardized Document) as basic model for hazardous substances concentration’s calculation in open air, for all sources of pollution, irrespective from its altitude and origin of manufacturing process, appears incorrect in respect of ventilation source of emissions, with height up 35 meters and temperature of emission, differentiated from ambient air temperature by 5 … 12 o C. There was specified that location of maximal concentration of hazardous substances is defined by kinematic range capability of free turbulent jet, linked only with kinematic pattern of this jet and velocity of open air’s main stream.

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