Testing of food products, dietary supplements, agricultural raw materials, soils, drinking water, sewage, surface, medicines and perfumes and cosmetics, household chemicals, industrial products, charcoal, pellets, mineral and organic fertilizers for physicochemical, toxicological, chromatographic, radiological and microbiological indicators; sampling, laboratory and instrumental studies of atmospheric air, physical factors and atmospheric air in the working area, emissions from stationary sources for the content of pollutants.