The article analyzes the situation of land-source pollutant of Nantong, and suggests some strategies and suggestions of environment protection and pollution prevention.

Discussed the effects of land-based pollution and environmental change on occurrence of red tide.

To construct and consummate the mechanism of public participating in prevention and governance of land-based pollution include that consummating law.

After tested the normal items and oil pollutant of the samples and analyzed their concentrations and contrasted to the groundwater in peripheral area and Ⅲ-criterion of groundwater,result showed that 2/3 groundwater was contaminated and oil pollutant,NH4+-N,NO2-N were the main pollutants of the groundwater.

The dynamic balance of the soil pillar leaching experiment is used in this article to simulate the transference and transformation of the oil pollutants in the aeration zone of Jilin oil-field under the conditions of natural rainfall infiltration.

ELA for petroleum development engineering includes many factors,like all development engi-neering projects, oil pollutant is a typical pollutant in ELA for petroleum development projects.