It would be necessary to fully use the retardation of geological barriers to choose proper landfill sites for the waste solid and permanently protect the environment from pollution.

• 应充分利用地质屏障对有害物质在环境中运移的阻滞效应、对固体废物地上或地下填埋场进行优化选址,使其达到环境保护的永久性和安全性。