Abstract: The study area is located in the central part of the Hebei Plain.It is found to be polluted by petrochemical enterprises.We start with the work in the following aspects: survey of the distribution of the pollution sources,hydrogeological exploration,soil and groundwater field investigation,etc.In the course of the work,we use physical exploration techniques,drilling methods to investigate the pollution of the site.From the survey and analysis results we come to the conclusion that the soil and g...