The standard was formulated for the purpose of implementing the Environmental Protection Law of the People's Republic of China, preventing soil pollution, protecting the environment and human health and safeguarding agroforestry production. It provides the allowed concentration limit of soil pollutants and monitoring methods according to soil use functions, protection objectives and soil quality. The standard applies to soil of farmland, vegetable field, tea garden, orchard, rangeland, woodland and nature reserves.

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Environmental quality standard for soils (GB 15618-1995)