Several technologies have been developed to tackle soil remediation. Some important strategies followed for the decontamination of polluted soil are listed below. Sewage produced in urbanized areas can also contaminate soil . These wastes may also contain several carcinogenic substances. Spillage of petrol and diesel during transportation can contaminate soils with the hydrocarbons found in petroleum. Usage of lead-based paint during construction activities can also pollute the soil with hazardous concentrations of lead. The demolition of old buildings can involve the contamination of nearby soil with asbestos. Herbicides – used to kill/control weeds and other unwanted plants. Common examples of PAHs include naphthalene, anthracene, and phenalene. Exposure to polycyclic aromatic hydrocarbons has been linked to several forms of cancer. These organic compounds can also cause cardiovascular diseases in humans. These metals can originate from several sources such as mining activities, agricultural activities,
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