ACCELERATED, LOW-COST DETERMINATION OF THE VOLUMETRIC CONFIGURATION OF CONTAMINATION OF SOIL COMPONENTS BY THE POINT SOURCE OF ORGANOCHLORINE PESTICIDES
Keywords:warehouse, chlorine-organic pesticides, probi, exponential regression of deposits, determinism, volume of concentration
The paper shows the relevance of solving in Ukraine the problems of polluted lands with organochlorine pesticides and the need for data on the volumetric configuration of soil components polluted with organochlorine pesticides above their maximum permissible concentrations, indicates a significant duration and high cost of environmental monitoring of these lands, carried out by traditional methods. reduce the amount of sampling and analysis of samples of soil components for polluted organochlorine pesticides in the territories adjacent to the former warehouses of their storage. The process is based on an exponential relationship between the concentration of pollutants, the depth of their penetration into the soil and the sampling distance from the center (point) of pollution, further mathematical analysis of these concentrations of pollution and the calculation of the volumetric configuration of soil components polluted with organochlorine pesticides to their maximum allowable concentrations. The stages of the process are proposed to be implemented in the following sequence: from four to ten samples of contaminated soil components are selected at random points, at a depth of up to one meter; in the samples taken, the concentration of organochlorine pesticides is determined; calculate the unknown parameters of the regression equation describing the nature of the volume concentration of contamination of soil components; using the found values of the unknown parameters of the regression equation, a mathematical calculation of the concentration of organochlorine pesticides at points with the distance and sampling depth parameters is carried out; using the coefficient of determination, the quality of the adopted regression is checked; parameters and volume of soil components polluted with organochlorine pesticides over their maximum permissible concentrations are calculated.
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