The basic objective was to enable unused and often contaminated land to be used safely and economically: to achieve this, a balance had to be struck between site problems, the risks from contamination and the need to restore the land. 土地复垦的基本目标是安全和经济地使用荒芜和经常是被污染的土地。为了达到这个目标,必须在现场出现的问题、污染风险和土地恢复使用需要之间达到平衡。