The soil remediation project in the chemical industrial park is an emergency project under the central supervision of the ministry of environmental protection. The main pollutants in the contaminated site are pesticides, VOCs, SVOCs, total petroleum hydrocarbon TPH, nickel, etc. A total of 92,500 cubic meters (including 67,200 cubic meters of soil and 25,300 cubic meters of ground water) were reconditioned by indirect thermal desorption, solidification stabilization and leaching.