Аннотация:The work considers the morphological structure of sandy loam gleyic rzhavozems in the back
ground area and at the site of an oil spill on a field in the northeast part of Sakhalin Island. Correlations between the total content of oil hydrocarbons (TPH) in the horizon AY and its color parameters measured using the Munsell, RGB, and Lab systems are revealed. Linear regression equations are presented. Signs of technogenic impact in the top horizons of the rzhavozems at various levels of oil contamination are presented.