Proceedings of the International scientific and practical conference ―Cambridge Congress of Advanced Studies‖ (April 3-5, 2026) / Publisher website: www.naukainfo.com. - Cambridge, United Kingdom, 2026. - 350 p.

90 AGRICULTURAL SCIENCES AND FOOD UDC 543.544.5:547.6:631.453 Svitlana Midyk 1 PhD in Veterinary Medicine, Associate Professor Valentinа Korniyenko 1 Doctor of Biological Sciences, Professor Oleksii Berezovskyi 1 PhD in Agricultural Sciences, Senior Researcher Serhii Senin 1 PhD in Biological Sciences, Senior Researcher Tetiana Poltavchenko 2 PhD in Veterinary Medicine, Associate Professor Kateryna Duchenko 3 PhD in Medicine, Associate Professor 1 National University of Life and Environmental Sciences of Ukraine, Kyiv 2 National University of Water Management and Nature Resources Use, Rivne 3 State University of Biotechnology, Kharkiv OPTIMIZATION OF EXTRACTION AND ANALYSIS METHODS FOR PAHS IN COMPLEX SOILMATRICES Polycyclic aromatic hydrocarbons (PAHs) are a group of persistent organic compounds, the toxicity of which is directly due to the peculiarities of their molecular structure. Despite the significant number of representatives of this class, the US Environmental Protection Agency (EPA) identifies 28 compounds as hazardous to