Abstract
The authors of the article draw the readers’ attention to the urgent problem that is the assessment of the pollution of bottom sediments of water bodies with hydrocarbons in the form of oil and oil products. When conducting surveys of water bodies, the determination of the content of oil or oil products in bottom sediments is expressed in grams per kilogram of precipitation in an air-dry state. Information in this form cannot be associated with the mass of oil at the bottom of the water body, what is very important when designing treatment works and calculating damage to aquatic biological resources. The method for determining the mass of oil pollution per unit area of bottom sediments of water bodies has been proposed and tested, what makes it possible to associate pollution not only with the concentration of pollutants, but also with the area of the reservoir.
Highlights
One of the main tasks of environmental protection in the oil and gas complex is the elimination of the consequences of oil pollution on the territories that occurred as a result of accidental spills, both fresh and belonging to the category of "historical heritage"
After determining the content of the mass concentration of oil pollution in the analyzed sample of bottom sediments, Cf (g/kg), this indicator is compared with the established regional background value for this type of bottom sediments, or with the standard for the permissible residual content of oil and oil products in bottom sediments Cf (g/kg)
The minimum value of 0.1 g /m2 is recorded in unnamed lake No 51
Summary
One of the main tasks of environmental protection in the oil and gas complex is the elimination of the consequences of oil pollution on the territories that occurred as a result of accidental spills, both fresh and belonging to the category of "historical heritage". In oil-producing regions with high lakes and a developed river network, aquatic ecosystems are primarily affected by oil and oil products pollution [1]. In 2014, the Ministry of Natural Resources of the Russian Federation approved methodological guidelines, according to which environmental monitoring of bottom sediments of water bodies of land is an integral part of the general environmental monitoring of water bodies intended for their study and protection. This Order does not regulate the process of determining oil at the bottom of a water body
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