Survey of Soil and Groundwater Contamination in Oil Pollution Site
The studied area is located in the central part of the Hebei Plain. It is found to be polluted by petrochemical enterprises. The authors start with the work in the following aspects: survey of the distribution of the pollution sources, hydrogeological exploration, soil and groundwater field investigation, etc. From the survey and analysis results, the authors come to the conclusion that the soil and groundwater in the whole site was contaminated at different levels, the depth of contaminated soil is