Contamination of soils with petroleum products is an acute environmental threat. Strengthening of technogenic impact on the natural environment predetermines the need for research aimed at identifying the conditions for the safe functioning of both natural and created in the course of human industrial activity ecosystems. The method of operational determination of the degree of soil contamination with petroleum products and the use of this method for monitoring in soil purification have been

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... died. The method of estimation of initial and residual soil pollution is proved. The quantitative assessment of the content of oil products by the measured specific electrical resistance of the contaminated soil is investigated. The theoretical background and algorithms of software systems for assessing the content of petroleum products by using electrophysical measurements at the point, by the profile and in the volume of the soil are presented. The results of the experimental substantiation for determination of oil content in the soil sample and the comparison of the data with the results of the calculation in the software package are presented in the study. The regression dependences between the physical parameters of the soil are obtained.