Химия в интересах устойчивого развития 24 (2016) 491497 UDC 551.511.61+551.578.46 DOI: 10.15372/KhUR20160409 Polyaromatic Hydrocarbons in the Vicinity of the Major Highways of Novosibirsk V. V. KOKOVKIN1,5, V. F. RAPUTA2, S. V. MOROZOV3 and T. V. YAROSLAVTSEVA4 1Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia E-mail: basil@niic.nsc.ru 2Institute of Computational Mathematics and Mathematical Geophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia 3Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia 4Novosibirsk Institute of Science Research in Hygiene, Novosibirsk, Russia 5Novosibirsk State University, Novosibirsk, Russia Abstract The results of field studies, chemical-analytical and numerical investigations of snowpack contamination in the winter season of 2014/2015 in the vicinity of Sovetskoye highway of Novosibirsk after its reconstruction of 20092014 years. <...> It was shown that substantial reductions of PAH emissions and the change of the space structure of the field of their fallouts, in comparison with the monitoring data of 2008 were shown. <...> Linear correlations between the precipitation content and that of organic and inorganic components of the samples were established. <...> In the kinematic approximation, the few-parametric model of the field reconstruction of precipitations of the polydisperse impurity from the linear source and the method of its numerical realization in the explicit form was proposed. <...> Key words: highway, snowpack, monitoring, chemical composition, polyaromatic hydrocarbons 491 INTRODUCTION The main source of environmental pollution of big cities is motor transport [14]. <...> The emission composition includes polyaromatic hydrocarbons (PAHs) that are the products of the incomplete combustion of gasolines and diesel fuel. <...> PAHs refer to substances of resorptive action, among them, benzo(a)pyrene to the first class danger. <...> In addition to them, the contribution to the air environment contamination is made by heavy metals, nitrogen, sulphur, carbon oxides, as well as dust emissions raised from the roads surface when moving auto transport. <...> It seems reasonable to carry out the constant control for the contamination dynamics in the vicinity of highways with intense traffic. <...> A reliable indicator of Siberian territories contamination is a snow cover which, as a natural tablet-accumulator gives the value of dry and wet aerosol precipitations during the winter period [14, 15]. <...> In comparison <...>