Experts of the Prikamskiy Territorial Administration of the Ministry of Ecology and Natural Resources of the Republic of Tatarstan told pupils of the Gymnasium No. 76 of Naberezhnye Chelny about the importance of eco-analytical control in the system of environmental quality assessment. A tour was organized in order to familiarize pupils with the process of sampling and analysis of water, air and soil in a specialized inspection of analytical control.