GOST 17.4.3.06-2020 Conservation of nature. Soils. General requirements for the classification of soils associated with exposure to chemical pollutants
2020GOST 17.4.3.06-2020 Conservation of nature. Soils. General requirements for the classification of soils associated with exposure to chemical pollutants
1986GOST 17.4.3.06-1986 Nature protection. Soils. General requirements for the classification of soils in accordance with the impact of chemical pollutants on them