Limited Liability Partnership "Nova Zinc" (hereinafter referred to as "Nova Zinc") carries out underground mining of lead-zinc ores at the Akzhal deposit. The enterprise is implementing a strategic program to introduce modern production technologies aimed at reducing the volume of pollutants released into the atmosphere. Research is being carried out on the selection of gas cleaning equipment to reduce CO emissions in an industrial boiler house. For the period 2022-2023, the company implemented projects on "Installation of dust and gas cleaning equipment in the building of a large and medium crushing processing plant", "Treatment facilities for household wastewater from the sewerage of the village of Akzhal and the enterprise Nova Zinc LLP of the Shetsky district of the Karaganda region", "Development of a PSD for the construction of an evaporator pond for the reception and evaporation of quarry waste wastewater for Novo Zinc LLP with EIA materials (discharge approvals)".