Russia: Revised mechanism for calculating concentration of hazardous substances in the ambient air
As of 1 January 2018, organisations that emit regulated hazardous substances into the ambient air, have to use the adopted methods for calculating the dispersion of air pollutant concentrations at the height of two meters from the ground level and at the distance not exceeding 100 km from the emission source as well as for vertical distribution of air pollutant concentrations.
The following methodologies have been adopted: