Soil washing is a remediation technique used to clean contaminated soil. It involves the use of water, often combined with chemical agents, to remove pollutants from the soil particles. This process helps to separate harmful substances, such as heavy metals and organic contaminants, making the soil safer for the environment and human health. The cleaned soil can then be reused or safely disposed of, reducing the need for new soil extraction. Soil washing is particularly effective for sites affected by industrial activities or spills, where contaminants are concentrated in the top layers of soil. This method is part of broader environmental management practices aimed at restoring contaminated land.