On July 28 at AAPCS-1, located at the address of the village of Osinovo Zelenodolsk district, hydrogen sulfide exceedances were recorded with a multiplicity of up to 2.2 maximum permissible concentrations at full calm, wind speed 0 m/s. The Ministry analyzes the excess using the consolidated database of emission parameters of the city of Kazan to determine the source of pollution. At the other stations of the Ministry, no excess pollutants were recorded this week.