“groundwater pollution”可以造什么句，groundwater pollution造句

EPA regulations provide for detection and correction of leaks in existing tanks and establish performance standards for new tanks. The aim is to avoid groundwater pollution.

The paper introduces the present situation of groundwater pollution and analyzes its causes in Qiqihar urban area. At last, it puts forward the way of sustainable utilization of groundwater.

From environmental geology point of view, the main route and patterns of groundwater pollution, and heavy polluted area in Jinan City have been analyzed.