Ecological Monitoring of Pollution of Surface Water and Bottom Sediments of the Volga River by Toxic Impurities

Gas-chromatographic analysis was carried out to determine the phenol content in the bottom sediments of the Volga River and other contaminations of the aquatic environment with toxic impurities. The conclusion about unfavorable ecological situation was made. Dependences linking qualitative and quantitative indicators of aquatic environment condition from the year of ecological monitoring are found.